should be working, should be

git-svn-id: https://svn.vegaa.systems/svn/vega-Vega/trunk@7 a8a8aea2-181d-ee11-89e8-15fd0e089fc4

55 files changed, 4893 insertions, 0 deletions

diff --git a/Makefile.in b/Makefile.in
new file mode 100644
index 0000000..7d3d8eb
--- /dev/null
+++ b/Makefile.in
@@ -0,0 +1,93 @@
+# $Id$
+
+.SILENT:
+
+###############################
+# CFLAGS, QEMU flags + misc
+###############################
+override VEGA_VERSION = @PACKAGE_VERSION@
+override PROMPT := printf "%s\t\t%s\n"
+override KERNEL_DEFINES =  -DVEGA_VERSION="\"$(VEGA_VERSION)\""
+override KERNEL_CFLAGS = @KERNEL_CFLAGS@ $(KERNEL_DEFINES)
+override KERNEL_LDFLAGS = -nostdlib -zmax-page-size=0x1000 -static -Tconf/link-$(ARCH).ld
+override QEMU_FLAGS = @QEMU_FLAGS@
+override ARCH = @ARCH@
+
+######################
+# Binutils stuff
+######################
+override CC = $(shell pwd)/cross/bin/$(ARCH)-elf-gcc
+override LD = $(shell pwd)/cross/bin/$(ARCH)-elf-ld
+override AS = $(CC)
+
+##########################
+# Architecture specifics
+##########################
+override ALL_ARCH_CFILES = find sys/ -name "*.c" |  grep "sys/arch/$(ARCH).*"
+override ALL_ARCH_ASM_FILES = find sys/ -name "*.S" | grep "sys/arch/$(ARCH).*"
+override QEMU = @QEMU@
+
+##########################
+# General kernel sources
+##########################
+override KERNEL_CFILES = $(shell find sys/ -name "*.c" | grep -v "sys/arch/*" | grep -v sys/kern/ksyms.c) $(shell $(ALL_ARCH_CFILES))
+override KERNEL_ASMFILES = $(shell find sys/ -name "*.S" | grep -v "sys/arch/*") $(shell $(ALL_ARCH_ASM_FILES))
+
+########################
+# Objects & header deps
+########################
+override KERNEL_OBJECTS = $(KERNEL_CFILES:.c=.o)
+override KERNEL_ASMOBJECTS = $(KERNEL_ASMFILES:.S=.S.o)
+override KERNEL_HEADER_DEPS = $(KERNEL_CFILES:.c=.d)
+
+.PHONY: all
+all: base/boot/vega-kernel
+		rm -f sys/include/machine
+		rm -rf iso_root
+
+.PHONY: run
+run:
+	$(QEMU) $(QEMU_FLAGS)
+
+.PHONY: cross
+cross:
+	bash tools/cross.sh $(ARCH)
+
+.PHONY: clean
+clean:
+	rm -f $(KERNEL_ASMOBJECTS) $(KERNEL_OBJECTS) $(KERNEL_HEADER_DEPS)
+	rm -f sys/include/machine
+
+sys/include/machine/:
+	cd sys/include/; ln -sf arch/$(ARCH) machine
+
+base/boot/vega-kernel: $(KERNEL_OBJECTS) $(KERNEL_ASMOBJECTS)
+	mkdir -p base/boot/
+	$(PROMPT) " LD " $(shell pwd)/base/boot/vega-kernel
+	$(LD) $(KERNEL_LDFLAGS) $(KERNEL_OBJECTS) $(KERNEL_ASMOBJECTS) -o base/boot/vega-kernel
+	tools/ksyms sys/kern/ksyms.c base/boot/vega-kernel
+	# === Generating symbols ===
+	$(CC) -c $(KERNEL_CFLAGS) $(KERNEL_DEFINES) sys/kern/ksyms.c -o sys/kern/ksyms.o
+	$(LD) $(KERNEL_LDFLAGS) $(KERNEL_OBJECTS) $(KERNEL_ASMOBJECTS) -o base/boot/vega-kernel
+	cd base/; tar cvf ../initramfs.tar * &> /dev/null
+	$(PROMPT) " RAMFS " $(shell pwd)/initramfs.tar
+	# === Building ISO ===
+	mkdir -p iso_root/boot/
+	cp conf/limine.cfg stand/limine/limine.sys \
+		stand/limine/limine-cd.bin stand/limine/limine-cd-efi.bin iso_root/
+	cp base/boot/vega-kernel iso_root/boot/
+	mv initramfs.tar iso_root/boot/
+	xorriso -as mkisofs -b limine-cd.bin -no-emul-boot -boot-load-size 4\
+		-boot-info-table --efi-boot limine-cd-efi.bin -efi-boot-part \
+		--efi-boot-image --protective-msdos-label iso_root -o Vega.iso &> /dev/null
+	stand/limine/limine-deploy Vega.iso &> /dev/null
+	$(PROMPT) " ISO " $(shell pwd)/Vega.iso
+
+-include $(KERNEL_HEADER_DEPS)
+%.o: %.c sys/include/machine/
+	$(PROMPT) " CC " $<
+	$(CC) -c $(KERNEL_CFLAGS) $(KERNEL_DEFINES) $< -o $@
+
+%.S.o: %.S
+	$(PROMPT) " AS " $<
+	$(CC) -c $< -o $@ -D__$(ARCH)__ -I sys/include/
diff --git a/bootstrap b/bootstrap
new file mode 100755
index 0000000..aee2add
--- /dev/null
+++ b/bootstrap
@@ -0,0 +1,51 @@
+#!/bin/bash
+set -e
+
+mkdir -p lib/
+
+# arg0: Output path.
+# arg1: Command for downloading
+try_fetch() {
+    if [[ -d $2 ]]
+    then
+        echo "try_fetch: Skipping $2: already exists"
+    else
+        ${@:1}
+    fi
+}
+
+fetch() {
+    try_fetch "git clone https://github.com/limine-bootloader/limine.git --branch=v4.x-branch-binary --depth=1" "stand/limine"
+}
+
+build_limine() {
+    make -C stand/limine/
+}
+
+build() {
+    build_limine
+}
+
+echo "----------------------------------"
+echo
+echo "      Fetching sources...        "
+echo
+echo "----------------------------------"
+echo -e "\n"
+
+fetch           # Fetch sources
+
+echo "----------------------------------"
+echo
+echo "      Building sources...        "
+echo
+echo "----------------------------------"
+echo -e "\n"
+
+build           # Build sources
+
+if [[ ! -f ./configure ]]
+then
+    echo "Creating configure script..."
+    autoconf
+fi
diff --git a/conf/limine.cfg b/conf/limine.cfg
new file mode 100644
index 0000000..5328705
--- /dev/null
+++ b/conf/limine.cfg
@@ -0,0 +1,7 @@
+TIMEOUT=30
+
+:Vega
+
+PROTOCOL=limine
+KERNEL_PATH=boot:///boot/vega-kernel
+EDITOR_ENABLED=no
diff --git a/conf/link-amd64.ld b/conf/link-amd64.ld
new file mode 100644
index 0000000..454f1f8
--- /dev/null
+++ b/conf/link-amd64.ld
@@ -0,0 +1,47 @@
+OUTPUT_FORMAT(elf64-x86-64)
+OUTPUT_ARCH(i386:x86-64)
+ENTRY(main)
+
+PHDRS
+{
+    text          PT_LOAD    FLAGS((1 << 0) | (1 << 2)) ; /* Execute + Read */
+    rodata        PT_LOAD    FLAGS((1 << 2)) ;            /* Read only */
+    data          PT_LOAD    FLAGS((1 << 1) | (1 << 2)) ; /* Write + Read */
+}
+
+SECTIONS
+{
+    . = 0xFFFFFFFF80000000;
+
+    .text : {
+        *(.text .text.*)
+    } :text 
+
+    . += CONSTANT(MAXPAGESIZE);
+
+    .rodata : {
+        *(.rodata .rodata.*)
+    } :rodata
+
+    .modules : {
+        __modules_init_start = .; 
+        *(.modules .modules)
+        __modules_init_end = .; 
+    } :rodata
+
+    . += CONSTANT(MAXPAGESIZE);
+
+    .data : {
+        *(.data .data.*)
+    } :data
+
+    .bss : {
+        *(COMMON)
+        *(.bss .bss.*)
+    } :data 
+
+    /DISCARD/ : {
+        *(.eh_frame)
+        *(.note .note.*)
+    }
+}
diff --git a/configure.ac b/configure.ac
new file mode 100644
index 0000000..c44b3f0
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,23 @@
+# $Id$
+
+AC_INIT([Vega], [0.0.1], [ian@vegaa.systems])
+
+KERN_CFLAGS_X86_64="-fexceptions --std=gnu11 -ffreestanding -fno-stack-protector -fno-pic \\
+	-Werror=implicit -Werror=implicit-function-declaration \\
+	-Werror=implicit-int -Werror=int-conversion \\
+        -Werror=missing-prototypes                   \\
+	-Werror=incompatible-pointer-types -Werror=int-to-pointer-cast \\
+	-Werror=return-type -Wunused -mabi=sysv -mno-80387 -mno-mmx -mno-3dnow \\
+	-mno-sse -mno-sse2 -mno-red-zone -mcmodel=kernel -pedantic \\
+	-I sys/include/ -I sys/include/lib/ -D_KERNEL -Wno-pointer-sign -MMD"
+
+QEMU_FLAGS_X86_64="--enable-kvm -monitor stdio 	\\
+		          -M q35 -m 1G -smp 4 -cpu host  \\
+			      -cdrom Vega.iso"
+
+AC_SUBST(KERNEL_CFLAGS, [$KERN_CFLAGS_X86_64])
+AC_SUBST(QEMU_FLAGS, [$QEMU_FLAGS_X86_64])
+AC_SUBST(QEMU, [qemu-system-x86_64])
+AC_SUBST(ARCH, [amd64])
+AC_CONFIG_FILES([Makefile])
+AC_OUTPUT
diff --git a/share/misc/style b/share/misc/style
new file mode 100644
index 0000000..03bcc72
--- /dev/null
+++ b/share/misc/style
@@ -0,0 +1,199 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+
+/*
+ * Vim config in share/misc/vimrc
+ */
+
+/*
+ * Metadata goes in *.c files
+ */
+__KERNEL_META("$Vega$: style.c, Ian Marco Moffett, "
+              "Vega style guide");
+/*
+ * VERY important single-line comments look like this.
+ */
+
+/* Most single-line comments look like this. */
+
+/*
+ * Multi-line comments look like this.  Make them real sentences.  Fill
+ * them so they look like real paragraphs.
+ */
+
+/*
+ * Attempt to wrap lines longer than 80 characters appropriately.
+ * Refer to the examples below for more information.
+ */
+
+/*
+ * EXAMPLE HEADER FILE.
+ * A header file should protect itself against
+ * multiple inclusion.
+ */
+ #ifndef _SYS_FOO_H_
+ #define _SYS_FOO_H_
+
+ 
+/*
+ * extern declarations must only appear in header files, not in .c
+ * files, so the same declaration is used by the .c file defining it
+ * and the .c file using it, giving the compiler the opportunity to
+ * detect type errors.
+ *
+ * extern function declarations should not use the extern keyword,
+ * which is unnecessary.
+ *
+ * Exception: A subroutine written in assembly in an adjacent .S file,
+ * which is used only in one .c file, may be declared in the .c file.
+ */
+extern int g_foo;
+
+int funnify(const char *s);
+
+#endif     /* !_SYS_FOO_H_ */
+
+/*
+ * END OF EXAMPLE HEADER FILE
+ */
+
+/*
+ * If a header file requires structures, defines, typedefs, etc. from
+ * another header file it should include that header file and not depend
+ * on the including file for that header including both.  If there are
+ * exceptions to this for specific headers it should be clearly documented
+ * in the headers and, if appropriate, the documentation.  Nothing in this
+ * rule should suggest relaxation of the multiple inclusion rule and the
+ * application programmer should be free to include both regardless.
+ */
+
+/*
+ * Kernel include files come first.
+ */
+#include <sys/param.h>      /* <sys/param.h> first, */
+#include <sys/types.h>      /*   <sys/types.h> next, */
+#include <sys/ioctl.h>      /*   and then the rest, */
+#include <sys/socket.h>     /*   sorted lexicographically.  */
+#include <sys/stat.h>
+#include <sys/wait.h>
+
+
+/*
+ * Macros are capitalized, parenthesized, and should avoid side-effects.
+ * If they are an inline expansion of a function, the function is defined
+ * all in lowercase, the macro has the same name all in uppercase.
+ * If the macro is an expression, wrap the expression in parentheses.
+ * If the macro is more than a single statement, use ``do { ... } while (0)''
+ * or ``do { ... } while (false)'', so that a trailing semicolon works.
+ * Right-justify the backslashes; it makes it easier to read.
+ */
+#define MACRO(v, w, x, y)               \
+    do {                                \
+        v = (x) + (y);                  \
+        w = (y) + 2;                    \
+    } while (0)
+
+};
+
+/*
+ * Sometimes we want a macro to be conditionally defined for debugging
+ * and expand to nothing (but still as statement) when we are not debugging:
+ */
+#if defined(FOO_DEBUG)
+#define DPRINTF(...) KDEBUG(__VA_ARGS__)
+#else
+#define DPRINTF(...) __nothing
+#endif  /* defined(FOO_DEBUG) */
+
+/*
+ * The function type must be declared on a line by itself
+ * preceding the function.
+ */
+static char *
+function(int fooy)
+{
+	/*
+	 * When declaring variables in functions, multiple variables per line
+	 * are okay. If a line overflows reuse the type keyword.
+	 *
+	 * Function prototypes and external data declarations should go in a
+	 * suitable include file.
+	 *
+	 * Avoid initializing variables in the declarations; move
+	 * declarations next to their first use, and initialize
+	 * opportunistically. This avoids over-initialization and
+	 * accidental bugs caused by declaration reordering.
+	 */
+     int foo, bar;
+
+     foo = 0;
+     bar = 0;
+	/*
+	 * Casts and sizeof's are not followed by a space.
+	 *
+	 * We parenthesize sizeof expressions to clarify their precedence:
+	 *
+	 * 	sizeof(e) + 4
+	 * not:
+	 *	sizeof e + 4
+	 *
+	 * We don't put a space before the parenthesis so that it looks like
+	 * a function call. We always parenthesize the sizeof expression for
+	 * consistency.
+	 *
+	 * On the other hand, we don't parenthesize the return statement
+	 * because there is never a precedence ambiguity situation (it is
+	 * a single statement).
+	 *
+	 * NULL is any pointer type, and doesn't need to be cast, so use
+	 * NULL instead of (struct foo *)0 or (struct foo *)NULL.  Also,
+	 * test pointers against NULL because it indicates the type of the
+	 * expression to the user. I.e. use:
+	 *
+	 *	(p = f()) == NULL
+	 * not:
+	 *	!(p = f())
+	 *
+	 * Don't use `!' for tests unless it's a boolean.
+	 * E.g. use "if (*p == '\0')", not "if (!*p)".
+	 *
+	 * Routines returning ``void *'' should not have their return
+	 * values cast to more specific pointer types.
+	 *
+	 * Prefer sizeof(*var) over sizeof(type) because if type changes,
+	 * the change needs to be done in one place.
+	 *
+	 * Prefer EXIT_FAILURE instead of random error codes.
+	 */
+
+	/* No parentheses are needed around the return value. */
+	return 0;
+}
diff --git a/share/misc/vimrc b/share/misc/vimrc
new file mode 100644
index 0000000..f8a2ba8
--- /dev/null
+++ b/share/misc/vimrc
@@ -0,0 +1,7 @@
+set cindent
+set cinoptions=(4200,u4200,+0.5s,*500,:0,t0,U4200
+set indentexpr=IgnoreParenIndent()
+set indentkeys=0{,0},0),:,0#,!^F,o,O,e
+set sw=4 ts=4
+set softtabstop=4
+set expandtab
diff --git a/sys/arch/amd64/gdt.c b/sys/arch/amd64/gdt.c
new file mode 100644
index 0000000..446306a
--- /dev/null
+++ b/sys/arch/amd64/gdt.c
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#include <machine/gdt.h>
+
+struct gdt_entry g_dmmy_gdt[256] = {
+    /* Null */
+    {0},
+
+    /* Kernel code (0x8) */
+    {
+            .limit          = 0x0000,
+            .base_low       = 0x0000,
+            .base_mid       = 0x00,
+            .access         = 0x9A,
+            .granularity    = 0x20,
+            .base_hi        = 0x00
+    },
+
+    /* Kernel data (0x10) */
+    {
+            .limit          = 0x0000,
+            .base_low       = 0x0000,
+            .base_mid       = 0x00,
+            .access         = 0x92,
+            .granularity    = 0x00,
+            .base_hi        = 0x00
+    },
+
+    /* User code (0x18) */
+    {
+            .limit       = 0x0000,
+            .base_low    = 0x0000,
+            .base_mid    = 0x00,
+            .access      = 0xFA,
+            .granularity = 0xAF,
+            .base_hi     = 0x00
+    },
+
+    /* User data (0x20) */
+    {
+            .limit       = 0x0000,
+            .base_low    = 0x0000,
+            .base_mid    = 0x00,
+            .access      = 0xF2,
+            .granularity = 0x00,
+            .base_hi     = 0x00
+    },
+};
+
+struct gdtr g_early_gdtr = {
+    .limit = sizeof(struct gdt_entry) * 256 - 1,
+    .offset = (uintptr_t)&g_dmmy_gdt[0]
+};
diff --git a/sys/arch/amd64/idt.c b/sys/arch/amd64/idt.c
new file mode 100644
index 0000000..46eb1f8
--- /dev/null
+++ b/sys/arch/amd64/idt.c
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#include <machine/idt.h>
+
+static struct idt_entry idt[256];
+static struct idtr idtr = {
+    .limit  = sizeof(struct idt_entry) * 256 - 1,
+    .offset = (uintptr_t)&idt[0]
+};
+
+void
+idt_load(void)
+{
+    LIDT(idtr);
+}
+
+void
+idt_set_desc(uint8_t vec, uint8_t type, uintptr_t isr, uint8_t ist)
+{
+    struct idt_entry *desc;
+
+    if (vec >= 255) {
+        /* Invalid vector */
+        return;
+    }
+
+    desc = &idt[vec];
+    desc->off_lo = __SHIFTOUT(isr, __MASK(16));
+    desc->off_mid = __SHIFTOUT(isr, __MASK(16) << 16);
+    desc->off_hi = __SHIFTOUT(isr, __MASK(32) << 32);
+    desc->segsel = 0x8;             /* Kernel CS */
+    desc->type = type;
+    desc->dpl = 3;
+    desc->p = 1;
+    desc->zero = 0;
+    desc->zero1 = 0;
+    desc->reserved = 0;
+    desc->ist = ist;
+}
diff --git a/sys/arch/amd64/machdep.c b/sys/arch/amd64/machdep.c
new file mode 100644
index 0000000..dd2cdc7
--- /dev/null
+++ b/sys/arch/amd64/machdep.c
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#include <sys/machdep.h>
+#include <sys/cdefs.h>
+#include <machine/trap.h>
+#include <machine/idt.h>
+
+#define ISR(func) ((uintptr_t)func)
+
+__weak void
+interrupts_init(struct processor *processor)
+{
+    __USE(processor);
+    idt_set_desc(0x0, IDT_TRAP_GATE_FLAGS, ISR(arith_err), 0);
+    idt_set_desc(0x2, IDT_TRAP_GATE_FLAGS, ISR(nmi), 0);
+    idt_set_desc(0x3, IDT_TRAP_GATE_FLAGS, ISR(breakpoint_handler), 0);
+    idt_set_desc(0x4, IDT_TRAP_GATE_FLAGS, ISR(overflow), 0);
+    idt_set_desc(0x5, IDT_TRAP_GATE_FLAGS, ISR(bound_range), 0);
+    idt_set_desc(0x6, IDT_TRAP_GATE_FLAGS, ISR(invl_op), 0);
+    idt_set_desc(0x8, IDT_TRAP_GATE_FLAGS, ISR(double_fault), 0);
+    idt_set_desc(0xA, IDT_TRAP_GATE_FLAGS, ISR(invl_tss), 0);
+    idt_set_desc(0xB, IDT_TRAP_GATE_FLAGS, ISR(segnp), 0);
+    idt_set_desc(0xD, IDT_TRAP_GATE_FLAGS, ISR(general_prot), 0);
+    idt_set_desc(0xE, IDT_TRAP_GATE_FLAGS, ISR(page_fault), 0);
+    idt_load();
+}
+
+void
+processor_halt(void)
+{
+    __ASMV("cli; hlt");
+}
+
+__weak void
+processor_init(struct processor *processor)
+{
+    gdt_load(processor->gdtr);
+    interrupts_init(processor);
+}
diff --git a/sys/arch/amd64/trap.S b/sys/arch/amd64/trap.S
new file mode 100644
index 0000000..31792c5
--- /dev/null
+++ b/sys/arch/amd64/trap.S
@@ -0,0 +1,150 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#include <machine/frame.h>
+#include <machine/trap.h>
+
+.text
+.globl breakpoint_handler
+breakpoint_handler:
+    push $0
+    push_trapframe $TRAP_BREAKPOINT
+
+    handle_trap
+
+    /* TODO */
+    cli
+    hlt
+
+.globl arith_err
+arith_err:
+    push $0
+    push_trapframe $TRAP_ARITH_ERR
+
+    handle_trap
+
+    /* TODO */
+    cli
+    hlt
+
+.globl overflow
+overflow:
+    push $0
+    push_trapframe $TRAP_OVERFLOW
+
+    handle_trap
+
+    /* TODO */
+    cli
+    hlt
+
+.globl bound_range
+bound_range:
+    push $0
+    push_trapframe $TRAP_BOUND_RANGE
+
+    handle_trap
+
+    /* TODO */
+    cli
+    hlt
+
+.globl invl_op
+invl_op:
+    push $0
+    push_trapframe $TRAP_INVLOP
+
+    handle_trap
+
+    /* TODO */
+    cli
+    hlt
+
+.globl double_fault
+double_fault:
+    push_trapframe $TRAP_DOUBLE_FAULT
+
+    handle_trap
+
+    /* TODO */
+    cli
+    hlt
+
+.globl invl_tss
+invl_tss:
+    push_trapframe $TRAP_INVLTSS
+
+    handle_trap
+
+    /* TODO */
+    cli
+    hlt
+
+.globl segnp
+segnp:
+    push_trapframe $TRAP_SEGNP
+
+    handle_trap
+
+    /* TODO */
+    cli
+    hlt
+
+.globl general_prot
+general_prot:
+    push_trapframe $TRAP_PROTFLT
+
+    handle_trap
+
+    /* TODO */
+    cli
+    hlt
+
+.globl page_fault
+page_fault:
+    push_trapframe $TRAP_PAGEFLT
+
+    handle_trap
+
+    /* TODO */
+    cli
+    hlt
+
+.globl nmi
+nmi:
+    push $0
+    push_trapframe $TRAP_NMI
+
+    handle_trap
+
+    /* TODO */
+    cli
+    hlt
diff --git a/sys/arch/amd64/trap.c b/sys/arch/amd64/trap.c
new file mode 100644
index 0000000..93ae17c
--- /dev/null
+++ b/sys/arch/amd64/trap.c
@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#include <machine/trap.h>
+#include <sys/cdefs.h>
+#include <sys/spinlock.h>
+#include <sys/syslog.h>
+#include <sys/panic.h>
+
+static const char *trap_type[] = {
+    [TRAP_BREAKPOINT]   = "breakpoint",
+    [TRAP_ARITH_ERR]    = "arithmetic error",
+    [TRAP_OVERFLOW]     = "overflow",
+    [TRAP_BOUND_RANGE]  = "bound range exceeded",
+    [TRAP_INVLOP]       = "invalid opcode",
+    [TRAP_DOUBLE_FAULT] = "double fault",
+    [TRAP_INVLTSS]      = "invalid TSS",
+    [TRAP_SEGNP]        = "segment not present",
+    [TRAP_PROTFLT]      = "general protection",
+    [TRAP_PAGEFLT]      = "page fault",
+    [TRAP_NMI]          = "non-maskable interrupt"
+};
+
+static const int TRAP_COUNT = __ARRAY_COUNT(trap_type);
+static ftrap_handler_t ftrap_handler = NULL;
+static struct spinlock ftrap_handler_lock = { 0 };
+
+static void
+trap_print(struct trapframe *tf)
+{
+    const char *mode;
+
+    if (tf->trapno < TRAP_COUNT) {
+        kprintf("** Fatal %s", trap_type[tf->trapno]);
+    } else {
+        kprintf("** Unknown trap %d", tf->trapno);
+    }
+    mode = __TEST(tf->trapno, TRAP_USER) ? "user" : "supervisor";
+    kprintf(" in %s mode **\n", mode);
+}
+
+/*
+ * Registers a handler for
+ * *fatal* traps.
+ *
+ * => Can block
+ */
+void
+register_ftrap_handler(ftrap_handler_t handler)
+{
+    spinlock_acquire(&ftrap_handler_lock);
+    ftrap_handler = handler;
+    spinlock_release(&ftrap_handler_lock);
+}
+
+/*
+ * Handles traps.
+ *
+ * => Can block
+ */
+void
+trap_handler(struct trapframe *tf)
+{
+    trap_print(tf);
+
+    /*
+     * XXX: Handle NMIs better. For now we just
+     *      panic.
+     */
+    if (tf->trapno == TRAP_NMI) {
+        kprintf("Possible hardware failure?\n");
+        panic("Caught NMI; bailing out\n");
+    }
+
+    panic("Caught pre-sched exception\n");
+}
diff --git a/sys/dev/video/fbdev.c b/sys/dev/video/fbdev.c
new file mode 100644
index 0000000..3ef3d8f
--- /dev/null
+++ b/sys/dev/video/fbdev.c
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#include <sys/types.h>
+#include <sys/limine.h>
+#include <dev/video/fbdev.h>
+
+#define FRAMEBUFFER \
+        framebuffer_req.response->framebuffers[0]
+
+static volatile struct limine_framebuffer_request framebuffer_req = {
+    .id = LIMINE_FRAMEBUFFER_REQUEST,
+    .revision = 0
+};
+
+struct fbdev
+fbdev_get_front(void)
+{
+    struct fbdev ret;
+
+    ret.mem = FRAMEBUFFER->address;
+    ret.width = FRAMEBUFFER->width;
+    ret.height = FRAMEBUFFER->height;
+    ret.pitch = FRAMEBUFFER->pitch;
+    return ret;
+
+}
diff --git a/sys/include/arch/amd64/frame.h b/sys/include/arch/amd64/frame.h
new file mode 100644
index 0000000..6239eff
--- /dev/null
+++ b/sys/include/arch/amd64/frame.h
@@ -0,0 +1,116 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#ifndef _AMD64_FRAME_H_
+#define _AMD64_FRAME_H_
+
+#if !defined(__ASSEMBLER__)
+struct trapframe {
+    uint64_t trapno;
+    uint64_t rax;
+    uint64_t rcx;
+    uint64_t rdx;
+    uint64_t rbx;
+    uint64_t rsi;
+    uint64_t rdi;
+    uint64_t rbp;
+    uint64_t r8;
+    uint64_t r9;
+    uint64_t r10;
+    uint64_t r11;
+    uint64_t r12;
+    uint64_t r13;
+    uint64_t r14;
+    uint64_t r15;
+    /* Pushed by hardware */
+    uint64_t error_code;
+    uint64_t rip;
+    uint64_t cs;
+    uint64_t rflags;
+    uint64_t rsp;
+    uint64_t ss;
+};
+#else
+/*
+ * XXX: Before this macro is invoked,
+ *      you should determine if an error
+ *      code will be present already on the
+ *      stack. If not, push a null qword as
+ *      padding (e.g push $0).
+ *
+ *      There *must* be a value used
+ *      as an error code whether that be
+ *      a real error code or just padding.
+ *
+ *      Failing to do so will result in
+ *      undefined behaviour.
+ *
+ */
+.macro push_trapframe trapno 
+    push %r15
+    push %r14
+    push %r13
+    push %r12
+    push %r11
+    push %r10
+    push %r9
+    push %r8
+    push %rbp
+    push %rdi
+    push %rsi
+    push %rbx
+    push %rdx
+    push %rcx
+    push %rax
+    push \trapno
+.endm
+
+.macro pop_trapframe trapno
+    add $8, %rsp        /* Trapno */
+    pop %rax
+    pop %rcx
+    pop %rdx
+    pop %rbx
+    pop %rsi
+    pop %rdi
+    pop %rbp
+    pop %r8
+    pop %r9
+    pop %r10
+    pop %r12
+    pop %r13
+    pop %r14
+    pop %r15
+    add $8, %rsp        /* Pop error code */
+    iretq
+.endm
+#endif  /* !defined(__ASSEMBLER__) */
+#endif  /* !_AMD64_FRAME_H_ */
diff --git a/sys/include/arch/amd64/gdt.h b/sys/include/arch/amd64/gdt.h
new file mode 100644
index 0000000..756e2a6
--- /dev/null
+++ b/sys/include/arch/amd64/gdt.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#ifndef AMD64_GDT_H_
+#define AMD64_GDT_H_
+
+#include <sys/types.h>
+#include <sys/cdefs.h>
+
+#define GDT_TSS 5
+#define KERNEL_CS 0x8
+#define KERNEL_DS 0x10
+
+struct __packed gdt_entry {
+    uint16_t limit;
+    uint16_t base_low;
+    uint8_t base_mid;
+    uint8_t access;
+    uint8_t granularity;
+    uint8_t base_hi;
+};
+
+struct __packed gdtr {
+    uint16_t limit;
+    uintptr_t offset;
+};
+
+static inline void
+gdt_load(struct gdtr *gdtr)
+{
+        __asm("lgdt %0\n"
+              "push $8\n"               /* Push CS */
+              "lea 1f(%%rip), %%rax\n"  /* Load 1 label address into RAX */
+              "push %%rax\n"            /* Push the return address (label 1) */
+              "lretq\n"                 /* Far return to update CS */
+              "1:\n"
+              "  mov $0x10, %%eax\n"
+              "  mov %%eax, %%ds\n"
+              "  mov %%eax, %%es\n"
+              "  mov %%eax, %%fs\n"
+              "  mov %%eax, %%gs\n"
+              "  mov %%eax, %%ss\n"
+              :
+              : "m" (*gdtr)
+              : "rax", "memory"
+        );
+}
+
+extern struct gdt_entry g_dmmy_gdt[256];
+extern struct gdtr g_early_gdtr;
+
+#endif  /* !AMD64_GDT_H_ */
diff --git a/sys/include/arch/amd64/idt.h b/sys/include/arch/amd64/idt.h
new file mode 100644
index 0000000..d3b623d
--- /dev/null
+++ b/sys/include/arch/amd64/idt.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#ifndef _AMD64_IDT_H_
+#define _AMD64_IDT_H_
+
+#include <sys/types.h>
+#include <sys/cdefs.h>
+
+#define LIDT(idtr) __ASMV("lidt %0"         \
+                          :: "m" (idtr))
+
+#define IDT_TRAP_GATE_FLAGS     0x8F
+#define IDT_INT_GATE_FLAGS      0x8E
+#define IDT_INT_GATE_USER       0xEE
+
+/*
+ * AMD64 Interrupt Gate Descriptor.
+ */
+struct idt_entry {
+    uint16_t    off_lo;         /* Low 16 bits of ISR offset */
+    uint16_t    segsel;         /* Segment selector, hardcode to kernel CS */
+    uint8_t     ist    : 2;     /* Interrupt stack table */
+    uint8_t     zero   : 1;     /* Unused: keep zero */
+    uint8_t     zero1  : 4;     /* Unused: keep zero */
+    uint8_t     type   : 4;     /* Gate type */
+    uint8_t     zero2  : 1;     /* Unused: keep zero */
+    uint8_t     dpl    : 2;     /* Descriptor privilege level */
+    uint8_t     p      : 1;     /* Present (keep 1 to mark as valid) */
+    uint16_t    off_mid;        /* Middle 16 bits of ISR offset */
+    uint32_t    off_hi;         /* High 32-bits of ISR offset */
+    uint32_t    reserved;       /* Reserved: keep zero */
+};
+
+struct __packed idtr {
+    uint16_t limit;
+    uintptr_t offset;
+};
+
+
+void idt_set_desc(uint8_t vec, uint8_t type, uintptr_t isr, uint8_t ist);
+void idt_load(void);
+
+#endif      /* !_AMD64_IDT_H_ */
diff --git a/sys/include/arch/amd64/trap.h b/sys/include/arch/amd64/trap.h
new file mode 100644
index 0000000..e72ae11
--- /dev/null
+++ b/sys/include/arch/amd64/trap.h
@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#ifndef _AMD64_TRAP_H_
+#define _AMD64_TRAP_H_
+
+#if !defined(__ASSEMBLER__)
+#include <sys/types.h>
+#include <machine/frame.h>
+#endif      /* !defined(__ASSEMBLER__) */
+
+#define TRAP_BREAKPOINT     0       /* Breakpoint */
+#define TRAP_ARITH_ERR      1       /* Arithmetic error (e.g division by 0) */
+#define TRAP_OVERFLOW       2       /* Overflow */
+#define TRAP_BOUND_RANGE    3       /* BOUND range exceeded */
+#define TRAP_INVLOP         4       /* Invalid opcode */
+#define TRAP_DOUBLE_FAULT   5       /* Double fault */
+#define TRAP_INVLTSS        6       /* Invalid TSS */
+#define TRAP_SEGNP          7       /* Segment not present */
+#define TRAP_PROTFLT        8       /* General protection */
+#define TRAP_PAGEFLT        9       /* Page fault */
+#define TRAP_NMI            10      /* Non-maskable interrupt */
+
+/* Trap is coming from user mode */
+#define TRAP_USER           0x100
+
+#if !defined(__ASSEMBLER__)
+typedef void(*ftrap_handler_t)(void);
+
+void breakpoint_handler(void *sf);
+void arith_err(void *sf);
+void overflow(void *sf);
+void bound_range(void *sf);
+void invl_op(void *sf);
+void double_fault(void *sf);
+void invl_tss(void *sf);
+void segnp(void *sf);
+void general_prot(void *sf);
+void page_fault(void *sf);
+void nmi(void *sf);
+void register_ftrap_handler(ftrap_handler_t handler);
+void trap_handler(struct trapframe *tf);
+#else
+.macro handle_trap
+    mov %rsp, %rdi
+    call trap_handler
+.endm
+#endif      /* !defined(__ASSEMBLER__) */
+
+#endif  /* !_AMD64_TRAP_H_ */
diff --git a/sys/include/dev/video/fbdev.h b/sys/include/dev/video/fbdev.h
new file mode 100644
index 0000000..23cc10a
--- /dev/null
+++ b/sys/include/dev/video/fbdev.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#ifndef _FBDEV_H_
+#define _FBDEV_H_
+
+#include <sys/types.h>
+
+struct fbdev {
+    void *mem;
+    uint32_t width;
+    uint32_t height;
+    uint32_t pitch;
+};
+
+static inline size_t
+fbdev_get_index(const struct fbdev *fbdev, uint32_t x, uint32_t y)
+{
+    return x + y * (fbdev->pitch/4);
+}
+
+struct fbdev fbdev_get_front(void);
+
+#endif  /* !_FBDEV_H_ */
diff --git a/sys/include/lib/bitmap.h b/sys/include/lib/bitmap.h
new file mode 100644
index 0000000..98c677e
--- /dev/null
+++ b/sys/include/lib/bitmap.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#ifndef _LIB_BITMAP_H_
+#define _LIB_BITMAP_H_
+
+#include <sys/types.h>
+#include <sys/cdefs.h>
+
+typedef uint8_t *bitmap_t;
+
+static inline void
+bitmap_set_bit(bitmap_t bitmap, size_t bit)
+{
+    bitmap[bit / 8] |= __BIT(bit % 8);
+}
+
+static inline void
+bitmap_unset_bit(bitmap_t bitmap, size_t bit)
+{
+    bitmap[bit / 8] &= ~(__BIT(bit % 8));
+}
+
+static inline bool
+bitmap_test_bit(bitmap_t bitmap, size_t bit)
+{
+    return __TEST(bitmap[bit / 8], __BIT(bit % 8));
+}
+
+#endif      /* !_LIB_BITMAP_H_ */
diff --git a/sys/include/lib/logo.h b/sys/include/lib/logo.h
new file mode 100644
index 0000000..77e90aa
--- /dev/null
+++ b/sys/include/lib/logo.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#include <sys/types.h>
+#include <sys/syslog.h>
+
+#define COPYRIGHT "Copyright (c) 2023 Ian Marco Moffett and the VegaOS team."
+
+#define PRINT_LOGO()                                    \
+        kprintf("%s v%s\n\n", g_logo, VEGA_VERSION);    \
+        kprintf("\t%s\n\n", COPYRIGHT);
+
+extern uint8_t g_logo[];
diff --git a/sys/include/lib/stdarg.h b/sys/include/lib/stdarg.h
new file mode 100644
index 0000000..6676de8
--- /dev/null
+++ b/sys/include/lib/stdarg.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#ifndef _LIB_STDARG_H_
+#define _LIB_STDARG_H_
+
+#ifndef __GNUC_VA_LIST
+#define __GNUC_VA_LIST
+typedef __builtin_va_list __gnuc_va_list;
+#endif      /* __GNUC_VA_LIST */
+
+typedef __gnuc_va_list va_list;
+
+#define va_start(ap, last)  __builtin_va_start((ap), last)
+#define va_end(ap)          __builtin_va_end((ap))
+#define va_arg(ap, type)    __builtin_va_arg((ap), type)
+
+#endif      /* !_LIB_STDARG_H_ */
diff --git a/sys/include/lib/string.h b/sys/include/lib/string.h
new file mode 100644
index 0000000..490ae1a
--- /dev/null
+++ b/sys/include/lib/string.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#ifndef _LIB_STRING_H_
+#define _LIB_STRING_H_
+
+#include <sys/types.h>
+
+size_t strlen(const char *s);
+char *itoa(int64_t value, char *buf, int base);
+void *memmove(void *s1, const void *s2, size_t n);
+void *memcpy(void *dest, const void *src, size_t n);
+void *memcpy32(void *dest, const void *src, size_t n);
+void *memset(void *s, int c, size_t n);
+
+#endif  /* !_LIB_STRING_H_ */
diff --git a/sys/include/lib/tty_font.h b/sys/include/lib/tty_font.h
new file mode 100644
index 0000000..7dacf4c
--- /dev/null
+++ b/sys/include/lib/tty_font.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#ifndef _LIB_TTY_FONT_H_
+#define _LIB_TTY_FONT_H_
+
+#include <sys/types.h>
+
+#define FONT_WIDTH 8
+#define FONT_HEIGHT 16
+
+extern const uint8_t DEFAULT_FONT_DATA[];
+
+#endif  /* !_LIB_TTY_FONT_H_ */
diff --git a/sys/include/sys/ascii.h b/sys/include/sys/ascii.h
new file mode 100644
index 0000000..dc4cd86
--- /dev/null
+++ b/sys/include/sys/ascii.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#ifndef _SYS_ASCII_H_
+#define _SYS_ASCII_H_
+
+#define ASCII_NUL	0x00		/* Nul */
+#define ASCII_BEL	0x07		/* Bell */
+#define ASCII_BS	0x08		/* Backspace */
+#define ASCII_HT	0x09		/* Horizontal tab */
+#define ASCII_LF	0x0A		/* Line feed */
+#define ASCII_VT	0x0B		/* Vertical tab */
+#define ASCII_FF	0x0C		/* Form feed */
+#define ASCII_CR	0x0D		/* Carriage return */
+#define ASCII_SO	0x0E		/* Shift out */
+#define ASCII_SI	0x0F		/* Shift in */
+#define ASCII_ESC	0x1B		/* Escape */
+
+#endif
diff --git a/sys/include/sys/cdefs.h b/sys/include/sys/cdefs.h
new file mode 100644
index 0000000..b57be39
--- /dev/null
+++ b/sys/include/sys/cdefs.h
@@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#ifndef _SYS_CDEFS_H_
+#define _SYS_CDEFS_H_
+
+#if !defined(__ASSEMBLER__)
+
+/* Misc helpers */
+#define __attr(x)   __attribute__((x))
+#define __used      __attr(used)
+#define __weak      __attr(weak)
+#define __used      __attr(used)
+
+/* __BIT(n): Set nth bit, where __BIT(0) == 0x1 */
+#define __BIT(n)    (1ULL << n)
+
+/* MASK(n): Sets first n bits, where __MASK(2) == 0b11 */
+#define __MASK(n)    (__BIT(n) - 1)
+
+/* Max/min helpers */
+#define __MIN(a, b) ((a <= b) ? (a) : (b))
+#define __MAX(a, b) ((a >= b) ? (a) : (b))
+
+/* Aligns up/down a value */
+#define __ALIGN_DOWN(value, align)      ((value) & ~((align)-1))
+#define __ALIGN_UP(value, align)        (((value) + (align)-1) & ~((align)-1))
+
+/* Rounds up and divides */
+#define __DIV_ROUNDUP(value, div) __extension__ ({ \
+    __auto_type __val = value;                     \
+    __auto_type __div = div;                       \
+    (__val + (__div - 1)) / __div;                 \
+})
+
+/* Find least significant bit that is set */
+#define __LOWEST_SET_BIT(mask) ((((mask) - 1) & (mask)) ^ (mask))
+
+/* Extract value with `mask` from `x` */
+#define __SHIFTOUT(x, mask) (((x) & (mask)) / __LOWEST_SET_BIT(mask))
+
+/* Test if bits are set, where __TEST(0b1111, 0xF) == 1 */
+#define __TEST(a, mask) (__SHIFTOUT(a, mask) != 0)
+
+/* Return the number of elements within an array */
+#define __ARRAY_COUNT(x) (sizeof(x) / sizeof(x[0]))
+
+/* Suppress `variable set but not used' warnings */
+#define __USE(x) ((void)(x))
+
+/* Computes 2^x i.e 2 to the power of 'x' */
+#define __POW2(x) (1ULL << x)
+
+/* Wrapper for inline asm */
+#define __ASMV __asm__ __volatile__
+
+/*
+ * Used to give metadata to
+ * a specific module. Example
+ * metadata string:
+ *
+ * $Vega$: module.c, Programmer Bob, A module that does stuff and things
+ * ~~~~~~  ~~~~~~~~  ~~~~~~~~~~~~~~  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ * Cookie; Module     Author of this        A short description
+ * always  name           module
+ * first
+ *
+ * Example usage:
+ *
+ * __KERNEL_META("$Vega$: module.c, Programmer Bob, "
+ *               "A module that does stuff and things");
+ *
+ * The above is the preferred style for this
+ * macro.
+ */
+#define __KERNEL_META(meta_str)                         \
+            __asm__(".section .meta.note\n"             \
+                   ".align 4\n"                         \
+                   ".string \"" meta_str "\"\n"         \
+                   ".previous"                          \
+            )
+
+#define __MODULE_NAME(name) \
+    __used static const char *__THIS_MODULE = name
+
+/* Pack a structure */
+#define __packed        __attribute__((__packed__))
+
+/* Align by `n` */
+#define __aligned(n)    __attribute__((__aligned__(n)))
+
+/*
+ * Align to a cacheline-boundary which is
+ * typically 64 bytes.
+ *
+ * XXX: Should probably deal with the case of the
+ *      cacheline alignment boundary not being 64 bytes.
+ */
+#define __cacheline_aligned __aligned(64)
+
+/*
+ * To be used when an empty body is required like:
+ *
+ * #ifdef DEBUG
+ * #define dprintf(a) printf(a)
+ * #else
+ * #define dprintf(a) __nothing
+ * #endif
+ */
+#define __nothing   ((void)0)
+
+#endif  /* !defined(__ASSEMBLER__) */
+#endif  /* !_SYS_CDEFS_H_ */
diff --git a/sys/include/sys/errno.h b/sys/include/sys/errno.h
new file mode 100644
index 0000000..a6ec5af
--- /dev/null
+++ b/sys/include/sys/errno.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#ifndef _SYS_ERRNO_H_
+#define _SYS_ERRNO_H_
+
+#define EXIT_FAILURE -1
+
+#endif
diff --git a/sys/include/sys/limine.h b/sys/include/sys/limine.h
new file mode 100644
index 0000000..298de81
--- /dev/null
+++ b/sys/include/sys/limine.h
@@ -0,0 +1,497 @@
+/* BSD Zero Clause License */
+
+/* Copyright (C) 2022-2023 mintsuki and contributors.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _LIMINE_H
+#define _LIMINE_H 1
+
+/* $Id$ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+
+/* Misc */
+
+#ifdef LIMINE_NO_POINTERS
+#  define LIMINE_PTR(TYPE) uint64_t
+#else
+#  define LIMINE_PTR(TYPE) TYPE
+#endif
+
+#ifdef __GNUC__
+#  define LIMINE_DEPRECATED __attribute__((__deprecated__))
+#  define LIMINE_DEPRECATED_IGNORE_START \
+    _Pragma("GCC diagnostic push") \
+    _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")
+#  define LIMINE_DEPRECATED_IGNORE_END \
+    _Pragma("GCC diagnostic pop")
+#else
+#  define LIMINE_DEPRECATED
+#  define LIMINE_DEPRECATED_IGNORE_START
+#  define LIMINE_DEPRECATED_IGNORE_END
+#endif
+
+#define LIMINE_COMMON_MAGIC 0xc7b1dd30df4c8b88, 0x0a82e883a194f07b
+
+struct limine_uuid {
+    uint32_t a;
+    uint16_t b;
+    uint16_t c;
+    uint8_t d[8];
+};
+
+#define LIMINE_MEDIA_TYPE_GENERIC 0
+#define LIMINE_MEDIA_TYPE_OPTICAL 1
+#define LIMINE_MEDIA_TYPE_TFTP 2
+
+struct limine_file {
+    uint64_t revision;
+    LIMINE_PTR(void *) address;
+    uint64_t size;
+    LIMINE_PTR(char *) path;
+    LIMINE_PTR(char *) cmdline;
+    uint32_t media_type;
+    uint32_t unused;
+    uint32_t tftp_ip;
+    uint32_t tftp_port;
+    uint32_t partition_index;
+    uint32_t mbr_disk_id;
+    struct limine_uuid gpt_disk_uuid;
+    struct limine_uuid gpt_part_uuid;
+    struct limine_uuid part_uuid;
+};
+
+/* Boot info */
+
+#define LIMINE_BOOTLOADER_INFO_REQUEST { LIMINE_COMMON_MAGIC, 0xf55038d8e2a1202f, 0x279426fcf5f59740 }
+
+struct limine_bootloader_info_response {
+    uint64_t revision;
+    LIMINE_PTR(char *) name;
+    LIMINE_PTR(char *) version;
+};
+
+struct limine_bootloader_info_request {
+    uint64_t id[4];
+    uint64_t revision;
+    LIMINE_PTR(struct limine_bootloader_info_response *) response;
+};
+
+/* Stack size */
+
+#define LIMINE_STACK_SIZE_REQUEST { LIMINE_COMMON_MAGIC, 0x224ef0460a8e8926, 0xe1cb0fc25f46ea3d }
+
+struct limine_stack_size_response {
+    uint64_t revision;
+};
+
+struct limine_stack_size_request {
+    uint64_t id[4];
+    uint64_t revision;
+    LIMINE_PTR(struct limine_stack_size_response *) response;
+    uint64_t stack_size;
+};
+
+/* HHDM */
+
+#define LIMINE_HHDM_REQUEST { LIMINE_COMMON_MAGIC, 0x48dcf1cb8ad2b852, 0x63984e959a98244b }
+
+struct limine_hhdm_response {
+    uint64_t revision;
+    uint64_t offset;
+};
+
+struct limine_hhdm_request {
+    uint64_t id[4];
+    uint64_t revision;
+    LIMINE_PTR(struct limine_hhdm_response *) response;
+};
+
+/* Framebuffer */
+
+#define LIMINE_FRAMEBUFFER_REQUEST { LIMINE_COMMON_MAGIC, 0x9d5827dcd881dd75, 0xa3148604f6fab11b }
+
+#define LIMINE_FRAMEBUFFER_RGB 1
+
+struct limine_video_mode {
+    uint64_t pitch;
+    uint64_t width;
+    uint64_t height;
+    uint16_t bpp;
+    uint8_t memory_model;
+    uint8_t red_mask_size;
+    uint8_t red_mask_shift;
+    uint8_t green_mask_size;
+    uint8_t green_mask_shift;
+    uint8_t blue_mask_size;
+    uint8_t blue_mask_shift;
+};
+
+struct limine_framebuffer {
+    LIMINE_PTR(void *) address;
+    uint64_t width;
+    uint64_t height;
+    uint64_t pitch;
+    uint16_t bpp;
+    uint8_t memory_model;
+    uint8_t red_mask_size;
+    uint8_t red_mask_shift;
+    uint8_t green_mask_size;
+    uint8_t green_mask_shift;
+    uint8_t blue_mask_size;
+    uint8_t blue_mask_shift;
+    uint8_t unused[7];
+    uint64_t edid_size;
+    LIMINE_PTR(void *) edid;
+    /* Response revision 1 */
+    uint64_t mode_count;
+    LIMINE_PTR(struct limine_video_mode **) modes;
+};
+
+struct limine_framebuffer_response {
+    uint64_t revision;
+    uint64_t framebuffer_count;
+    LIMINE_PTR(struct limine_framebuffer **) framebuffers;
+};
+
+struct limine_framebuffer_request {
+    uint64_t id[4];
+    uint64_t revision;
+    LIMINE_PTR(struct limine_framebuffer_response *) response;
+};
+
+/* Terminal */
+
+#define LIMINE_TERMINAL_REQUEST { LIMINE_COMMON_MAGIC, 0xc8ac59310c2b0844, 0xa68d0c7265d38878 }
+
+#define LIMINE_TERMINAL_CB_DEC 10
+#define LIMINE_TERMINAL_CB_BELL 20
+#define LIMINE_TERMINAL_CB_PRIVATE_ID 30
+#define LIMINE_TERMINAL_CB_STATUS_REPORT 40
+#define LIMINE_TERMINAL_CB_POS_REPORT 50
+#define LIMINE_TERMINAL_CB_KBD_LEDS 60
+#define LIMINE_TERMINAL_CB_MODE 70
+#define LIMINE_TERMINAL_CB_LINUX 80
+
+#define LIMINE_TERMINAL_CTX_SIZE ((uint64_t)(-1))
+#define LIMINE_TERMINAL_CTX_SAVE ((uint64_t)(-2))
+#define LIMINE_TERMINAL_CTX_RESTORE ((uint64_t)(-3))
+#define LIMINE_TERMINAL_FULL_REFRESH ((uint64_t)(-4))
+
+/* Response revision 1 */
+#define LIMINE_TERMINAL_OOB_OUTPUT_GET ((uint64_t)(-10))
+#define LIMINE_TERMINAL_OOB_OUTPUT_SET ((uint64_t)(-11))
+
+#define LIMINE_TERMINAL_OOB_OUTPUT_OCRNL (1 << 0)
+#define LIMINE_TERMINAL_OOB_OUTPUT_OFDEL (1 << 1)
+#define LIMINE_TERMINAL_OOB_OUTPUT_OFILL (1 << 2)
+#define LIMINE_TERMINAL_OOB_OUTPUT_OLCUC (1 << 3)
+#define LIMINE_TERMINAL_OOB_OUTPUT_ONLCR (1 << 4)
+#define LIMINE_TERMINAL_OOB_OUTPUT_ONLRET (1 << 5)
+#define LIMINE_TERMINAL_OOB_OUTPUT_ONOCR (1 << 6)
+#define LIMINE_TERMINAL_OOB_OUTPUT_OPOST (1 << 7)
+
+LIMINE_DEPRECATED_IGNORE_START
+
+struct LIMINE_DEPRECATED limine_terminal;
+
+typedef void (*limine_terminal_write)(struct limine_terminal *, const char *, uint64_t);
+typedef void (*limine_terminal_callback)(struct limine_terminal *, uint64_t, uint64_t, uint64_t, uint64_t);
+
+struct LIMINE_DEPRECATED limine_terminal {
+    uint64_t columns;
+    uint64_t rows;
+    LIMINE_PTR(struct limine_framebuffer *) framebuffer;
+};
+
+struct LIMINE_DEPRECATED limine_terminal_response {
+    uint64_t revision;
+    uint64_t terminal_count;
+    LIMINE_PTR(struct limine_terminal **) terminals;
+    LIMINE_PTR(limine_terminal_write) write;
+};
+
+struct LIMINE_DEPRECATED limine_terminal_request {
+    uint64_t id[4];
+    uint64_t revision;
+    LIMINE_PTR(struct limine_terminal_response *) response;
+    LIMINE_PTR(limine_terminal_callback) callback;
+};
+
+LIMINE_DEPRECATED_IGNORE_END
+
+/* 5-level paging */
+
+#define LIMINE_5_LEVEL_PAGING_REQUEST { LIMINE_COMMON_MAGIC, 0x94469551da9b3192, 0xebe5e86db7382888 }
+
+struct limine_5_level_paging_response {
+    uint64_t revision;
+};
+
+struct limine_5_level_paging_request {
+    uint64_t id[4];
+    uint64_t revision;
+    LIMINE_PTR(struct limine_5_level_paging_response *) response;
+};
+
+/* SMP */
+
+#define LIMINE_SMP_REQUEST { LIMINE_COMMON_MAGIC, 0x95a67b819a1b857e, 0xa0b61b723b6a73e0 }
+
+struct limine_smp_info;
+
+typedef void (*limine_goto_address)(struct limine_smp_info *);
+
+#if defined (__x86_64__) || defined (__i386__)
+
+#define LIMINE_SMP_X2APIC (1 << 0)
+
+struct limine_smp_info {
+    uint32_t processor_id;
+    uint32_t lapic_id;
+    uint64_t reserved;
+    LIMINE_PTR(limine_goto_address) goto_address;
+    uint64_t extra_argument;
+};
+
+struct limine_smp_response {
+    uint64_t revision;
+    uint32_t flags;
+    uint32_t bsp_lapic_id;
+    uint64_t cpu_count;
+    LIMINE_PTR(struct limine_smp_info **) cpus;
+};
+
+#elif defined (__aarch64__)
+
+struct limine_smp_info {
+    uint32_t processor_id;
+    uint32_t gic_iface_no;
+    uint64_t mpidr;
+    uint64_t reserved;
+    LIMINE_PTR(limine_goto_address) goto_address;
+    uint64_t extra_argument;
+};
+
+struct limine_smp_response {
+    uint64_t revision;
+    uint32_t flags;
+    uint64_t bsp_mpidr;
+    uint64_t cpu_count;
+    LIMINE_PTR(struct limine_smp_info **) cpus;
+};
+
+#else
+#error Unknown architecture
+#endif
+
+struct limine_smp_request {
+    uint64_t id[4];
+    uint64_t revision;
+    LIMINE_PTR(struct limine_smp_response *) response;
+    uint64_t flags;
+};
+
+/* Memory map */
+
+#define LIMINE_MEMMAP_REQUEST { LIMINE_COMMON_MAGIC, 0x67cf3d9d378a806f, 0xe304acdfc50c3c62 }
+
+#define LIMINE_MEMMAP_USABLE                 0
+#define LIMINE_MEMMAP_RESERVED               1
+#define LIMINE_MEMMAP_ACPI_RECLAIMABLE       2
+#define LIMINE_MEMMAP_ACPI_NVS               3
+#define LIMINE_MEMMAP_BAD_MEMORY             4
+#define LIMINE_MEMMAP_BOOTLOADER_RECLAIMABLE 5
+#define LIMINE_MEMMAP_KERNEL_AND_MODULES     6
+#define LIMINE_MEMMAP_FRAMEBUFFER            7
+
+struct limine_memmap_entry {
+    uint64_t base;
+    uint64_t length;
+    uint64_t type;
+};
+
+struct limine_memmap_response {
+    uint64_t revision;
+    uint64_t entry_count;
+    LIMINE_PTR(struct limine_memmap_entry **) entries;
+};
+
+struct limine_memmap_request {
+    uint64_t id[4];
+    uint64_t revision;
+    LIMINE_PTR(struct limine_memmap_response *) response;
+};
+
+/* Entry point */
+
+#define LIMINE_ENTRY_POINT_REQUEST { LIMINE_COMMON_MAGIC, 0x13d86c035a1cd3e1, 0x2b0caa89d8f3026a }
+
+typedef void (*limine_entry_point)(void);
+
+struct limine_entry_point_response {
+    uint64_t revision;
+};
+
+struct limine_entry_point_request {
+    uint64_t id[4];
+    uint64_t revision;
+    LIMINE_PTR(struct limine_entry_point_response *) response;
+    LIMINE_PTR(limine_entry_point) entry;
+};
+
+/* Kernel File */
+
+#define LIMINE_KERNEL_FILE_REQUEST { LIMINE_COMMON_MAGIC, 0xad97e90e83f1ed67, 0x31eb5d1c5ff23b69 }
+
+struct limine_kernel_file_response {
+    uint64_t revision;
+    LIMINE_PTR(struct limine_file *) kernel_file;
+};
+
+struct limine_kernel_file_request {
+    uint64_t id[4];
+    uint64_t revision;
+    LIMINE_PTR(struct limine_kernel_file_response *) response;
+};
+
+/* Module */
+
+#define LIMINE_MODULE_REQUEST { LIMINE_COMMON_MAGIC, 0x3e7e279702be32af, 0xca1c4f3bd1280cee }
+
+#define LIMINE_INTERNAL_MODULE_REQUIRED (1 << 0)
+
+struct limine_internal_module {
+    LIMINE_PTR(const char *) path;
+    LIMINE_PTR(const char *) cmdline;
+    uint64_t flags;
+};
+
+struct limine_module_response {
+    uint64_t revision;
+    uint64_t module_count;
+    LIMINE_PTR(struct limine_file **) modules;
+};
+
+struct limine_module_request {
+    uint64_t id[4];
+    uint64_t revision;
+    LIMINE_PTR(struct limine_module_response *) response;
+
+    /* Request revision 1 */
+    uint64_t internal_module_count;
+    LIMINE_PTR(struct limine_internal_module **) internal_modules;
+};
+
+/* RSDP */
+
+#define LIMINE_RSDP_REQUEST { LIMINE_COMMON_MAGIC, 0xc5e77b6b397e7b43, 0x27637845accdcf3c }
+
+struct limine_rsdp_response {
+    uint64_t revision;
+    LIMINE_PTR(void *) address;
+};
+
+struct limine_rsdp_request {
+    uint64_t id[4];
+    uint64_t revision;
+    LIMINE_PTR(struct limine_rsdp_response *) response;
+};
+
+/* SMBIOS */
+
+#define LIMINE_SMBIOS_REQUEST { LIMINE_COMMON_MAGIC, 0x9e9046f11e095391, 0xaa4a520fefbde5ee }
+
+struct limine_smbios_response {
+    uint64_t revision;
+    LIMINE_PTR(void *) entry_32;
+    LIMINE_PTR(void *) entry_64;
+};
+
+struct limine_smbios_request {
+    uint64_t id[4];
+    uint64_t revision;
+    LIMINE_PTR(struct limine_smbios_response *) response;
+};
+
+/* EFI system table */
+
+#define LIMINE_EFI_SYSTEM_TABLE_REQUEST { LIMINE_COMMON_MAGIC, 0x5ceba5163eaaf6d6, 0x0a6981610cf65fcc }
+
+struct limine_efi_system_table_response {
+    uint64_t revision;
+    LIMINE_PTR(void *) address;
+};
+
+struct limine_efi_system_table_request {
+    uint64_t id[4];
+    uint64_t revision;
+    LIMINE_PTR(struct limine_efi_system_table_response *) response;
+};
+
+/* Boot time */
+
+#define LIMINE_BOOT_TIME_REQUEST { LIMINE_COMMON_MAGIC, 0x502746e184c088aa, 0xfbc5ec83e6327893 }
+
+struct limine_boot_time_response {
+    uint64_t revision;
+    int64_t boot_time;
+};
+
+struct limine_boot_time_request {
+    uint64_t id[4];
+    uint64_t revision;
+    LIMINE_PTR(struct limine_boot_time_response *) response;
+};
+
+/* Kernel address */
+
+#define LIMINE_KERNEL_ADDRESS_REQUEST { LIMINE_COMMON_MAGIC, 0x71ba76863cc55f63, 0xb2644a48c516a487 }
+
+struct limine_kernel_address_response {
+    uint64_t revision;
+    uint64_t physical_base;
+    uint64_t virtual_base;
+};
+
+struct limine_kernel_address_request {
+    uint64_t id[4];
+    uint64_t revision;
+    LIMINE_PTR(struct limine_kernel_address_response *) response;
+};
+
+/* Device Tree Blob */
+
+#define LIMINE_DTB_REQUEST { LIMINE_COMMON_MAGIC, 0xb40ddb48fb54bac7, 0x545081493f81ffb7 }
+
+struct limine_dtb_response {
+    uint64_t revision;
+    LIMINE_PTR(void *) dtb_ptr;
+};
+
+struct limine_dtb_request {
+    uint64_t id[4];
+    uint64_t revision;
+    LIMINE_PTR(struct limine_dtb_response *) response;
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/sys/include/sys/machdep.h b/sys/include/sys/machdep.h
new file mode 100644
index 0000000..5f2112c
--- /dev/null
+++ b/sys/include/sys/machdep.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#ifndef _SYS_MACHDEP_H_
+#define _SYS_MACHDEP_H_
+
+#include <sys/types.h>
+#if defined(_KERNEL)
+#include <machine/gdt.h>
+#endif      /* defined(_KERNEL) */
+
+#if defined(_KERNEL)
+
+struct processor {
+    struct gdtr      *gdtr;
+    struct gdt_entry *gdt;
+};
+
+__weak void processor_init(struct processor *processor);
+__weak void interrupts_init(struct processor *processor);
+
+void processor_halt(void);
+
+#endif  /* defined(_KERNEL) */
+#endif  /* !_SYS_MACHDEP_H_ */
diff --git a/sys/include/sys/panic.h b/sys/include/sys/panic.h
new file mode 100644
index 0000000..8529441
--- /dev/null
+++ b/sys/include/sys/panic.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#ifndef _SYS_PANIC_H_
+#define _SYS_PANIC_H_
+
+#include <stdarg.h>
+
+#if defined(_KERNEL)
+
+void panic(const char *fmt, ...);
+
+#endif
+
+#endif
diff --git a/sys/include/sys/queue.h b/sys/include/sys/queue.h
new file mode 100644
index 0000000..acd0703
--- /dev/null
+++ b/sys/include/sys/queue.h
@@ -0,0 +1,161 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#define _Q_INVALIDATE(a)
+
+/*
+ * Tail queue definitions.
+ */
+#define TAILQ_HEAD(name, type)						\
+struct name {								\
+	struct type *tqh_first;	/* first element */			\
+	struct type **tqh_last;	/* addr of last next element */		\
+}
+
+#define TAILQ_HEAD_INITIALIZER(head)					\
+	{ NULL, &(head).tqh_first }
+
+#define TAILQ_ENTRY(type)						\
+struct {								\
+	struct type *tqe_next;	/* next element */			\
+	struct type **tqe_prev;	/* address of previous next element */	\
+}
+
+/*
+ * Tail queue access methods.
+ */
+#define	TAILQ_FIRST(head)		((head)->tqh_first)
+#define	TAILQ_END(head)			NULL
+#define	TAILQ_NEXT(elm, field)		((elm)->field.tqe_next)
+#define TAILQ_LAST(head, headname)					\
+	(*(((struct headname *)((head)->tqh_last))->tqh_last))
+/* XXX */
+#define TAILQ_PREV(elm, headname, field)				\
+	(*(((struct headname *)((elm)->field.tqe_prev))->tqh_last))
+#define	TAILQ_EMPTY(head)						\
+	(TAILQ_FIRST(head) == TAILQ_END(head))
+
+#define TAILQ_FOREACH(var, head, field)					\
+	for((var) = TAILQ_FIRST(head);					\
+	  (var) != TAILQ_END(head);					\
+	  (var) = TAILQ_NEXT(var, field))
+
+#define	TAILQ_FOREACH_SAFE(var, head, field, tvar)			\
+	for ((var) = TAILQ_FIRST(head);					\
+	  (var) != TAILQ_END(head) &&					\
+	  ((tvar) = TAILQ_NEXT(var, field), 1);			\
+	  (var) = (tvar))
+
+
+#define TAILQ_FOREACH_REVERSE(var, head, headname, field)		\
+	for((var) = TAILQ_LAST(head, headname);				\
+	  (var) != TAILQ_END(head);					\
+	  (var) = TAILQ_PREV(var, headname, field))
+
+#define	TAILQ_FOREACH_REVERSE_SAFE(var, head, headname, field, tvar)	\
+	for ((var) = TAILQ_LAST(head, headname);			\
+	  (var) != TAILQ_END(head) &&					\
+	  ((tvar) = TAILQ_PREV(var, headname, field), 1);		\
+	  (var) = (tvar))
+
+/*
+ * Tail queue functions.
+ */
+#define	TAILQ_INIT(head) do {						\
+	(head)->tqh_first = NULL;					\
+	(head)->tqh_last = &(head)->tqh_first;				\
+} while (0)
+
+#define TAILQ_INSERT_HEAD(head, elm, field) do {			\
+	if (((elm)->field.tqe_next = (head)->tqh_first) != NULL)	\
+		(head)->tqh_first->field.tqe_prev =			\
+		  &(elm)->field.tqe_next;				\
+	else								\
+		(head)->tqh_last = &(elm)->field.tqe_next;		\
+	(head)->tqh_first = (elm);					\
+	(elm)->field.tqe_prev = &(head)->tqh_first;			\
+} while (0)
+
+#define TAILQ_INSERT_TAIL(head, elm, field) do {			\
+	(elm)->field.tqe_next = NULL;					\
+	(elm)->field.tqe_prev = (head)->tqh_last;			\
+	*(head)->tqh_last = (elm);					\
+	(head)->tqh_last = &(elm)->field.tqe_next;			\
+} while (0)
+
+#define TAILQ_INSERT_AFTER(head, listelm, elm, field) do {		\
+	if (((elm)->field.tqe_next = (listelm)->field.tqe_next) != NULL)\
+		(elm)->field.tqe_next->field.tqe_prev =			\
+		  &(elm)->field.tqe_next;				\
+	else								\
+		(head)->tqh_last = &(elm)->field.tqe_next;		\
+	(listelm)->field.tqe_next = (elm);				\
+	(elm)->field.tqe_prev = &(listelm)->field.tqe_next;		\
+} while (0)
+
+#define	TAILQ_INSERT_BEFORE(listelm, elm, field) do {			\
+	(elm)->field.tqe_prev = (listelm)->field.tqe_prev;		\
+	(elm)->field.tqe_next = (listelm);				\
+	*(listelm)->field.tqe_prev = (elm);				\
+	(listelm)->field.tqe_prev = &(elm)->field.tqe_next;		\
+} while (0)
+
+#define TAILQ_REMOVE(head, elm, field) do {				\
+	if (((elm)->field.tqe_next) != NULL)				\
+		(elm)->field.tqe_next->field.tqe_prev =			\
+		  (elm)->field.tqe_prev;				\
+	else								\
+		(head)->tqh_last = (elm)->field.tqe_prev;		\
+	*(elm)->field.tqe_prev = (elm)->field.tqe_next;			\
+	_Q_INVALIDATE((elm)->field.tqe_prev);				\
+	_Q_INVALIDATE((elm)->field.tqe_next);				\
+} while (0)
+
+#define TAILQ_REPLACE(head, elm, elm2, field) do {			\
+	if (((elm2)->field.tqe_next = (elm)->field.tqe_next) != NULL)	\
+		(elm2)->field.tqe_next->field.tqe_prev =		\
+		  &(elm2)->field.tqe_next;				\
+	else								\
+		(head)->tqh_last = &(elm2)->field.tqe_next;		\
+	(elm2)->field.tqe_prev = (elm)->field.tqe_prev;			\
+	*(elm2)->field.tqe_prev = (elm2);				\
+	_Q_INVALIDATE((elm)->field.tqe_prev);				\
+	_Q_INVALIDATE((elm)->field.tqe_next);				\
+} while (0)
+
+#define TAILQ_CONCAT(head1, head2, field) do {				\
+	if (!TAILQ_EMPTY(head2)) {					\
+		*(head1)->tqh_last = (head2)->tqh_first;		\
+		(head2)->tqh_first->field.tqe_prev = (head1)->tqh_last;	\
+		(head1)->tqh_last = (head2)->tqh_last;			\
+		TAILQ_INIT((head2));					\
+	}								\
+} while (0)
diff --git a/sys/include/sys/spinlock.h b/sys/include/sys/spinlock.h
new file mode 100644
index 0000000..8153041
--- /dev/null
+++ b/sys/include/sys/spinlock.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#ifndef _SYS_SPINLOCK_H_
+#define _SYS_SPINLOCK_H_
+
+#include <sys/types.h>
+
+struct spinlock {
+    volatile _Atomic bool lock;
+};
+
+static inline bool
+spinlock_acquire(struct spinlock *lock)
+{
+    return __atomic_test_and_set(&lock->lock, __ATOMIC_ACQUIRE);
+}
+
+static inline void
+spinlock_release(struct spinlock *lock)
+{
+    __atomic_clear(&lock->lock, __ATOMIC_RELEASE);
+}
+
+#endif      /* !_SYS_SPINLOCK_H_ */
diff --git a/sys/include/sys/syslog.h b/sys/include/sys/syslog.h
new file mode 100644
index 0000000..bb6c512
--- /dev/null
+++ b/sys/include/sys/syslog.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#ifndef _SYS_SYSLOG_H_
+#define _SYS_SYSLOG_H_
+
+#include <stdarg.h>
+
+#if defined(_KERNEL)
+
+#define KINFO(...)                              \
+    kprintf("%s[info]: ", __THIS_MODULE);       \
+    kprintf(__VA_ARGS__);
+
+#define KDEBUG(...)                             \
+    kprintf("%s[debug]: ", __THIS_MODULE);      \
+    kprintf(__VA_ARGS__);
+
+void syslog_init(void);
+void kprintf(const char *fmt, ...);
+void vkprintf(const char *fmt, va_list *ap);
+
+#endif  /* defined(_KERNEL) */
+
+#endif  /* !_SYS_SYSLOG_H_ */
diff --git a/sys/include/sys/termios.h b/sys/include/sys/termios.h
new file mode 100644
index 0000000..4cbef9d
--- /dev/null
+++ b/sys/include/sys/termios.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#ifndef _SYS_TERMIOS_H_
+#define _SYS_TERMIOS_H_
+
+#include <sys/types.h>
+
+#define NCCS 20
+
+/*
+ * Output flags - software output processing
+ */
+#define OPOST       0x00000001U         /* Enable output processing */
+#if defined(_KERNEL) || defined(_VEGA_SOURCE)
+#define OCRNL       0x00000002U         /* Map NL to CR-NL */
+#define ORBUF       0x00000004U         /* Buffer bytes */
+#endif      /* defined(_KERNEL) || defined(_VEGA_SOURCE) */
+
+typedef uint32_t tcflag_t;
+typedef uint32_t speed_t;
+typedef uint8_t  cc_t;
+
+struct termios {
+    tcflag_t    c_iflag;        /* Input flags */
+    tcflag_t    c_oflag;        /* Output flags */
+    tcflag_t    c_cflag;        /* Control flags */
+    tcflag_t    c_lflag;        /* Local flags */
+    cc_t        c_cc[NCCS];     /* Control chars */
+    int         c_ispeed;       /* Input speed */
+    int         c_ospeed;       /* Output speed */
+};
+
+#endif  /* !_SYS_TERMIOS_H_ */
diff --git a/sys/include/sys/tty.h b/sys/include/sys/tty.h
new file mode 100644
index 0000000..0edbaab
--- /dev/null
+++ b/sys/include/sys/tty.h
@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#ifndef _SYS_TTY_H_
+#define _SYS_TTY_H_
+
+#include <sys/types.h>
+#include <sys/termios.h>
+#include <sys/queue.h>
+#include <sys/cdefs.h>
+#include <sys/spinlock.h>
+#include <dev/video/fbdev.h>
+
+/*
+ * Max chars an entire line can hold:
+ * 2^9 => 512 bytes
+ */
+#define LINE_RING_SIZE __POW2(9)
+
+/* Default TTY tab width */
+#define DEFAULT_TAB_WIDTH   4
+
+/*
+ * Describes the size
+ * of a TTY window.
+ */
+struct winsize {
+    uint16_t    ws_row;     /* Rows, in chars */
+    uint16_t    ws_col;     /* Columns, in chars */
+    uint16_t    ws_xpixel;  /* Horizontal size, in pixels */
+    uint16_t    ws_ypixel;  /* Vertical size, in pixels */
+};
+
+/*
+ * TTY ring buffer.
+ */
+struct tty_ring {
+    char buf[LINE_RING_SIZE];       /* Actual buffer */
+    size_t len;
+};
+
+/*
+ * Describes a TTY. Each TTY
+ * shall be described by a
+ * `struct tty`.
+ */
+struct tty {
+    uint32_t chpos_x;               /* Next char X position */
+    uint32_t chpos_y;               /* Next char Y position */
+    uint32_t curspos_x;             /* Cursor X position */
+    uint32_t curspos_y;             /* Cursor Y position */
+    uint32_t fg;                    /* Foreground (hex color) */
+    uint32_t bg;                    /* Background (hex color) */
+    uint8_t tab_width;              /* Width of a tab (in chars) */
+    struct fbdev fbdev;             /* Framebuffer device */
+    struct termios termios;         /* Termios state */
+    struct winsize winsize;         /* Window size */
+    struct tty_ring ring;          /* Ring buffer */
+    struct spinlock lock;           /* Protects TTY */
+    TAILQ_ENTRY(tty) link;          /* TTY list link */
+};
+
+/*
+ * Some helper macros to facilitate
+ * locking/unlocking a TTY.
+ */
+#define TTY_LOCK(tty_ptr)   spinlock_acquire(&(tty_ptr)->lock)
+#define TTY_UNLOCK(tty_ptr) spinlock_release(&(tty_ptr)->lock)
+
+/*
+ * Macros to allow easy access for
+ * termios and winsize flags, e.g usage:
+ *
+ * struct tty *tty = ...
+ * tty->t_cflag = ...
+ */
+#define t_cflag     termios.c_cflag
+#define t_iflag     termios.c_iflag
+#define t_lflag     termios.c_lflag
+#define t_oflag     termios.c_oflag
+#define t_ispeed    termios.c_ispeed
+#define t_ospeed    termios.c_ospeed
+#define t_ws_row    winsize.ws_row
+#define t_ws_col    winsize.ws_col
+#define t_ws_xpixel winsize.ws_xpixel
+#define t_ws_ypixel winsize.ws_ypixel
+
+void tty_push_char(struct tty *tty, int c);
+void tty_flush(struct tty *tty);
+ssize_t tty_write(struct tty *tty, const char *buf, size_t len);
+void tty_set_defaults(struct tty *tty);
+void tty_attach(struct tty *tty);
+void tty_init(void);
+
+#endif  /* !_SYS_TTY_H_ */
diff --git a/sys/include/sys/types.h b/sys/include/sys/types.h
new file mode 100644
index 0000000..8fc285a
--- /dev/null
+++ b/sys/include/sys/types.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#ifndef _SYS_TYPES_H_
+#define _SYS_TYPES_H_
+
+#define NULL ((void *)0)
+#define true 1
+#define false 0
+
+typedef signed char     int8_t;
+typedef unsigned char   uint8_t;
+typedef short           int16_t;
+typedef unsigned short  uint16_t;
+typedef int             int32_t;
+typedef unsigned int    uint32_t;
+#if __SIZEOF_LONG__ == 8
+typedef long            int64_t;
+typedef unsigned long   uint64_t;
+#elif __SIZEOF_LONG__ == 4
+__extension__
+typedef long long   int64_t;
+__extension__
+typedef unsigned long long uint64_t;
+#else
+#error "Unsupported long size"
+#endif
+
+#if __SIZEOF_SIZE_T__ == 8
+typedef uint64_t    size_t;
+typedef int64_t     ssize_t;       /* Byte count or error */
+#elif __SIZEOF_SIZE_T__ == 4
+typedef uint32_t    size_t;
+typedef int32_t     ssize_t;        /* Byte count or error */
+#else
+#error "Unsupported size_t size"
+#endif
+
+typedef _Bool bool;
+typedef ssize_t off_t;
+typedef size_t uintptr_t;
+
+#endif      /* !_SYS_TYPES_H_ */
diff --git a/sys/include/vm/vm.h b/sys/include/vm/vm.h
new file mode 100644
index 0000000..35775cc
--- /dev/null
+++ b/sys/include/vm/vm.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#ifndef _SYS_VM_VM_H_
+#define _SYS_VM_VM_H_
+
+#include <sys/types.h>
+#include <sys/limine.h>
+
+extern volatile struct limine_hhdm_request g_hhdm_request;
+
+#define VM_HIGHER_HALF (g_hhdm_request.response->offset)
+
+#define PHYS_TO_VIRT(phys) (void *)(phys + VM_HIGHER_HALF)
+#define VIRT_TO_PHYS(virt) ((uintptr_t)virt - VM_HIGHER_HALF)
+
+#endif      /* !_SYS_VM_VM_H_ */
diff --git a/sys/include/vm/vm_physseg.h b/sys/include/vm/vm_physseg.h
new file mode 100644
index 0000000..ed815ec
--- /dev/null
+++ b/sys/include/vm/vm_physseg.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#ifndef _VM_VM_PHYSSEG_H_
+#define _VM_VM_PHYSSEG_H_
+
+void vm_physseg_init(void);
+
+#endif      /* !_VM_VM_PHYSSEG_H_ */
diff --git a/sys/kern/init_main.c b/sys/kern/init_main.c
new file mode 100644
index 0000000..2ae2a09
--- /dev/null
+++ b/sys/kern/init_main.c
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#include <sys/cdefs.h>
+#include <sys/tty.h>
+#include <sys/syslog.h>
+#include <sys/machdep.h>
+#include <vm/vm_physseg.h>
+#include <logo.h>
+
+__KERNEL_META("$Vega$: init_main.c, Ian Marco Moffett, "
+              "Where the Vega kernel first starts up");
+
+static struct processor bsp = {
+    .gdtr = &g_early_gdtr,
+    .gdt  = &g_dmmy_gdt[0]
+};
+
+void
+main(void)
+{
+    tty_init();
+    syslog_init();
+    PRINT_LOGO();
+
+    processor_init(&bsp);
+    vm_physseg_init();
+
+    /* We're done here, halt the processor */
+    __ASMV("cli; hlt");
+}
diff --git a/sys/kern/kern_panic.c b/sys/kern/kern_panic.c
new file mode 100644
index 0000000..69680f7
--- /dev/null
+++ b/sys/kern/kern_panic.c
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#include <sys/panic.h>
+#include <sys/syslog.h>
+#include <sys/machdep.h>
+
+/*
+ * Tells the user something terribly
+ * wrong happened then halting the system
+ * as soon as possible.
+ *
+ * XXX: There is no need to cleanup stuff here (e.g `va_list ap`)
+ *      as we won't be returning from here anyways and the source
+ *      of the panic could be *anywhere* so it's best not to mess with
+ *      things.
+ */
+void
+panic(const char *fmt, ...)
+{
+    va_list ap;
+
+    va_start(ap, fmt);
+
+    kprintf("panic: ");
+    vkprintf(fmt, &ap);
+
+    processor_halt();
+    __builtin_unreachable();
+}
diff --git a/sys/kern/kern_syslog.c b/sys/kern/kern_syslog.c
new file mode 100644
index 0000000..cd7f8f0
--- /dev/null
+++ b/sys/kern/kern_syslog.c
@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#include <sys/syslog.h>
+#include <sys/tty.h>
+#include <string.h>
+
+static struct tty syslog_tty;
+
+static void
+syslog_handle_fmt(va_list *ap, char fmt_spec)
+{
+    char tmp_ch;
+    int64_t tmp_int;
+    const char *tmp_str;
+    char tmp_buf[256] = { 0 };
+
+    switch (fmt_spec) {
+    case 'c':
+        tmp_ch = va_arg(*ap, int);
+        tty_write(&syslog_tty, &tmp_ch, 1);
+        break;
+    case 's':
+        tmp_str = va_arg(*ap, const char *);
+        tty_write(&syslog_tty, tmp_str, strlen(tmp_str));
+        break;
+    case 'd':
+        tmp_int = va_arg(*ap, int64_t);
+        itoa(tmp_int, tmp_buf, 10);
+        tty_write(&syslog_tty, tmp_buf, strlen(tmp_buf));
+        break;
+    case 'x':
+        tmp_int = va_arg(*ap, uint64_t);
+        itoa(tmp_int, tmp_buf, 16);
+        tty_write(&syslog_tty, tmp_buf + 2, strlen(tmp_buf) - 2);
+        break;
+    }
+}
+
+void
+vkprintf(const char *fmt, va_list *ap)
+{
+    while (*fmt) {
+        if (*fmt == '%') {
+            ++fmt;
+            syslog_handle_fmt(ap, *fmt++);
+        } else {
+            tty_write(&syslog_tty, fmt++, 1);
+        }
+    }
+}
+
+void
+kprintf(const char *fmt, ...)
+{
+    va_list ap;
+
+    va_start(ap, fmt);
+    vkprintf(fmt, &ap);
+    va_end(ap);
+}
+
+void
+syslog_init(void)
+{
+    tty_set_defaults(&syslog_tty);
+    tty_attach(&syslog_tty);
+}
diff --git a/sys/kern/tty.c b/sys/kern/tty.c
new file mode 100644
index 0000000..f166302
--- /dev/null
+++ b/sys/kern/tty.c
@@ -0,0 +1,387 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#include <sys/tty.h>
+#include <sys/cdefs.h>
+#include <sys/errno.h>
+#include <sys/ascii.h>
+#include <string.h>
+#include <tty_font.h>
+
+/*
+ * Default cursor color.
+ *
+ * TODO: The cursor color should
+ *       be the invert of the color
+ *       of whatever it is on top of.
+ */
+#define DEFAULT_CURSOR_BG 0x808080
+
+#define CURSOR_WIDTH            FONT_WIDTH
+#define CURSOR_HEIGHT           FONT_HEIGHT
+
+__KERNEL_META("$Vega$: tty.c, Ian Marco Moffett, "
+              "Core TTY implementation");
+
+/* List of attached TTYs */
+static TAILQ_HEAD(, tty) tty_list;
+
+/*
+ * Renders a char onto the
+ * TTY specified by `tty`.
+ */
+static void
+tty_draw_char(struct tty *tty, char c, uint32_t fg, uint32_t bg)
+{
+    uint32_t *fb_ptr;
+    uint32_t x, y;
+    size_t idx;
+    const uint8_t *glyph;
+
+    /* Get a pointer to framebuffer memory */
+    fb_ptr = tty->fbdev.mem;
+
+    /* Get the specific glyph of `c` */
+    glyph = &DEFAULT_FONT_DATA[(int)c*16];
+
+    x = tty->chpos_x;
+    y = tty->chpos_y;
+
+    for (uint32_t cy = 0; cy < FONT_HEIGHT; ++cy) {
+        for (uint32_t cx = 0; cx < FONT_WIDTH; ++cx) {
+            idx = fbdev_get_index(&tty->fbdev, x+FONT_WIDTH-cx, y+cy);
+            fb_ptr[idx] = __TEST(glyph[cy], __BIT(cx)) ? fg : bg;
+        }
+    }
+}
+
+/*
+ * Draws a cursor onto
+ * the screen.
+ *
+ * Call with TTY locked.
+ */
+static void
+tty_draw_cursor(struct tty *tty, bool hide)
+{
+    uint32_t x, y, idx;
+    uint32_t *fb_ptr;
+    uint32_t color;
+
+    fb_ptr = tty->fbdev.mem;
+    color = hide ? tty->bg : DEFAULT_CURSOR_BG;
+
+    for (size_t cy = 0; cy < CURSOR_HEIGHT; ++cy) {
+        for (size_t cx = 0; cx < CURSOR_WIDTH; ++cx) {
+            x = tty->curspos_x + cx;
+            y = tty->curspos_y + cy;
+            idx = fbdev_get_index(&tty->fbdev, x, y);
+            fb_ptr[idx] = color;
+        }
+    }
+}
+
+static void
+tty_scroll_single(struct tty *tty)
+{
+    uint32_t *fb_ptr;
+    size_t line_size, dest_idx, src_idx;
+
+    fb_ptr = tty->fbdev.mem;
+    line_size = tty->fbdev.pitch/4;
+
+    /* Copy each line up */
+    for (size_t y = FONT_HEIGHT; y < tty->t_ws_ypixel; y += FONT_HEIGHT) {
+        dest_idx = fbdev_get_index(&tty->fbdev, 0, y - FONT_HEIGHT);
+        src_idx = fbdev_get_index(&tty->fbdev, 0, y);
+        memcpy32(&fb_ptr[dest_idx], &fb_ptr[src_idx], FONT_HEIGHT*line_size);
+    }
+
+    /*
+     * Ensure we start at X position 0
+     * after we scrolled down.
+     */
+    tty->chpos_x = 0;
+    tty->curspos_x = 0;
+}
+
+/*
+ * Handles a newline.
+ *
+ * Call with TTY locked.
+ */
+static inline void
+tty_newline(struct tty *tty)
+{
+    uint32_t ypos;
+    const uint32_t MAX_YPOS = tty->t_ws_ypixel - (CURSOR_HEIGHT*2);
+
+    /* Hide the cursor */
+    tty_draw_cursor(tty, true);
+
+    /* Reset X positions */
+    tty->chpos_x = 0;
+    tty->curspos_x = 0;
+
+    /*
+     * Get the value closest to end
+     * of the screen.
+     */
+    ypos = __MAX(tty->chpos_y, tty->curspos_y);
+
+    /*
+     * Check if we need to scroll
+     * instead of incrementing
+     * Y positions.
+     */
+    if (ypos < MAX_YPOS) {
+        tty->chpos_y += FONT_HEIGHT;
+        tty->curspos_y += FONT_HEIGHT;
+    } else {
+        tty_scroll_single(tty);
+    }
+
+    /* Redraw the cursor */
+    tty_draw_cursor(tty, false);
+}
+
+/*
+ * Appends a character to the TTY specified
+ * by `tty` as well as incrementing tty->chpos_x
+ * and making newlines as needed.
+ *
+ * Call with TTY locked.
+ */
+static inline void
+tty_append_char(struct tty *tty, int c)
+{
+    const uint32_t MAX_XPOS = tty->t_ws_xpixel - FONT_WIDTH;
+
+    /* Hide the cursor */
+    tty_draw_cursor(tty, true);
+
+    tty_draw_char(tty, c, tty->fg, tty->bg);
+    tty->chpos_x += FONT_WIDTH;
+    tty->curspos_x += FONT_WIDTH;
+
+    if (tty->chpos_x >= MAX_XPOS) {
+        tty_newline(tty);
+    }
+
+    /* Redraw the cursor */
+    tty_draw_cursor(tty, false);
+}
+
+/*
+ * Writes out a tab as `tty->tab_width`
+ * spaces.
+ *
+ * Call with TTY locked.
+ */
+static void
+tty_expand_tab(struct tty *tty)
+{
+    for (size_t i = 0; i < tty->tab_width; ++i) {
+        tty_append_char(tty, ' ');
+    }
+}
+
+/*
+ * Writes a char to the TTY.
+ *
+ * Returns 0 on success; non-zero value
+ * is a character to be resent.
+ *
+ * Call with TTY locked.
+ */
+static int
+tty_putch(struct tty *tty, int c)
+{
+    if (!__TEST(tty->t_oflag, OPOST)) {
+        /*
+         * Just write out the char with
+         * no processing.
+         */
+        tty_append_char(tty, c);
+        return 0;
+    }
+
+    switch (c) {
+    case ASCII_HT:
+        /* Tab */
+        tty_expand_tab(tty);
+        break;
+    case ASCII_LF:
+        /* Line feed ('\n') */
+        tty_newline(tty);
+        break;
+    default:
+        tty_append_char(tty, c);
+        break;
+    }
+
+    return 0;
+}
+
+/*
+ * Flushes a TTY specified
+ * by `tty`.
+ *
+ * Call with TTY locked.
+ */
+void
+tty_flush(struct tty *tty)
+{
+    struct tty_ring *ring;
+
+    ring = &tty->ring;
+
+    /*
+     * Write each byte from the buffer
+     * to the screen with output processing
+     * if possible.
+     *
+     * XXX: Perhaps there could be a faster
+     *      way of doing this instead of
+     *      byte by byte?
+     */
+    for (size_t i = 0; i < ring->len; ++i) {
+        tty_putch(tty, ring->buf[i]);
+    }
+
+    ring->len = 0;
+}
+
+/*
+ * Writes to a TTY specified by `tty`.
+ *
+ * @buf: Buffer to write.
+ * @len: Length of buffer.
+ *
+ * Returns number of bytes written, and
+ * EXIT_FAILURE on error.
+ */
+ssize_t
+tty_write(struct tty *tty, const char *buf, size_t len)
+{
+    if (len == 0) {
+        /* Bad value, don't even try */
+        return EXIT_FAILURE;
+    }
+
+    TTY_LOCK(tty);
+    for (size_t i = 0; i < len; ++i) {
+        tty_push_char(tty, buf[i]);
+        /*
+         * If we have a newline and we are
+         * buffering bytes, flush the ring.
+         */
+        if (buf[i] == '\n' && __TEST(tty->t_oflag, ORBUF)) {
+            tty_flush(tty);
+        }
+    }
+
+    /*
+     * If we aren't buffering bytes, don't
+     * keep the bytes within the ring and
+     * flush it right away per `tty_write()`
+     * call.
+     */
+    if (!__TEST(tty->t_oflag, ORBUF)) {
+        tty_flush(tty);
+    }
+
+    TTY_UNLOCK(tty);
+    return len;
+}
+
+/*
+ * Sets TTY fields to their defaults.
+ */
+void
+tty_set_defaults(struct tty *tty)
+{
+    /* Ensure everything is initially zero */
+    memset(tty, 0, sizeof(*tty));
+
+    /*
+     * Now, initialize everything to their defaults.
+     *
+     * Some notes about the default framebuffer device:
+     * ------------------------------------------------
+     *  The default framebuffer device should be the
+     *  front buffer. Later on during boot, all attached
+     *  TTYs shall have their fbdev swapped out with a
+     *  backbuffer to improve performace as reading directly
+     *  from video memory is going to be slow.
+     *
+     *  XXX: At some point we should be allocating a backbuffer
+     *       instead when it's time for *all* TTYs to have them.
+     *
+     *       A good idea would be to only allocate a backbuffer
+     *       *if* we switched to some TTY and deallocate
+     *       that backbuffer when switching away from that TTY.
+     *
+     *       The first thing that comes to mind when thinking
+     *       about this idea is loosing our text when we switch
+     *       back out. To rectify this, we could buffer chars
+     *       which would take less memory than keeping the whole
+     *       backbuffer (holds pixels i.e uint32_t).
+     *
+     *       This can perhaps be done by some internal flag which
+     *       indicates that kmalloc() is usable and chars can
+     *       be buffered. Once we switch back, just allocate
+     *       a new backbuffer and copy the chars back.
+     */
+    tty->fbdev = fbdev_get_front();
+    tty->t_oflag = (OPOST | ORBUF);
+    tty->tab_width = DEFAULT_TAB_WIDTH;
+    tty->fg = 0x808080;
+    tty->bg = 0x000000;
+    tty->t_ws_xpixel = tty->fbdev.width;
+    tty->t_ws_ypixel = tty->fbdev.height;
+    tty->t_ws_row = tty->fbdev.height / FONT_HEIGHT;
+    tty->t_ws_col = tty->fbdev.width / FONT_WIDTH;
+
+}
+
+void
+tty_attach(struct tty *tty)
+{
+    TAILQ_INSERT_TAIL(&tty_list, tty, link);
+    tty_draw_cursor(tty, false);
+}
+
+void
+tty_init(void)
+{
+    TAILQ_INIT(&tty_list);  /* Ensure the TTY list is usable */
+}
diff --git a/sys/kern/tty_subr.c b/sys/kern/tty_subr.c
new file mode 100644
index 0000000..4c8405e
--- /dev/null
+++ b/sys/kern/tty_subr.c
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#include <sys/tty.h>
+
+/*
+ * Pushes a char to the TTY
+ * ring buffer.
+ *
+ * Call with TTY locked.
+ */
+void
+tty_push_char(struct tty *tty, int c)
+{
+    struct tty_ring *ring;
+
+    ring = &tty->ring;
+
+    /*
+     * If our ring is full, it should
+     * be flushed as soon as possible.
+     *
+     * XXX: ring->len will be reset by tty_flush()
+     * so there is no need to do it here.
+     */
+    if (ring->len >= LINE_RING_SIZE) {
+        tty_flush(tty);
+    }
+
+    ring->buf[ring->len++] = c;
+}
diff --git a/sys/lib/logo.c b/sys/lib/logo.c
new file mode 100644
index 0000000..bd72d4e
--- /dev/null
+++ b/sys/lib/logo.c
@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#include <lib/logo.h>
+
+/*
+ * Ascii art logo.
+ */
+
+uint8_t g_logo[] = {
+    0x0A, 0x0A, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x0A, 0x60, 0x38, 0x2E, 0x60, 0x38, 0x38,
+    0x38, 0x62, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x2C,
+    0x38, 0x27, 0x20, 0x38, 0x20, 0x38, 0x38, 0x38, 0x38, 0x38, 0x38, 0x38, 0x38, 0x38,
+    0x38, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x2C, 0x6F, 0x38, 0x38, 0x38, 0x38,
+    0x38, 0x38, 0x6F, 0x2E, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x2E, 0x38, 0x2E, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x0A,
+    0x20, 0x60, 0x38, 0x2E, 0x60, 0x38, 0x38, 0x38, 0x62, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x2C, 0x38, 0x27, 0x20, 0x20, 0x38, 0x20, 0x38, 0x38, 0x38,
+    0x38, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x38,
+    0x38, 0x38, 0x38, 0x20, 0x20, 0x20, 0x20, 0x20, 0x60, 0x38, 0x38, 0x2E, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x2E, 0x38, 0x38, 0x38, 0x2E, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x0A, 0x20, 0x20, 0x60, 0x38, 0x2E, 0x60, 0x38, 0x38,
+    0x38, 0x62, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x2C, 0x38, 0x27, 0x20, 0x20,
+    0x20, 0x38, 0x20, 0x38, 0x38, 0x38, 0x38, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x2C, 0x38, 0x20, 0x38, 0x38, 0x38, 0x38, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x60, 0x38, 0x2E, 0x20, 0x20, 0x20, 0x20, 0x20, 0x3A, 0x38, 0x38, 0x38,
+    0x38, 0x38, 0x2E, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x0A, 0x20, 0x20,
+    0x20, 0x60, 0x38, 0x2E, 0x60, 0x38, 0x38, 0x38, 0x62, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x2C, 0x38, 0x27, 0x20, 0x20, 0x20, 0x20, 0x38, 0x20, 0x38, 0x38, 0x38, 0x38, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x38, 0x38, 0x20, 0x38, 0x38, 0x38,
+    0x38, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x2E, 0x20, 0x60, 0x38, 0x38, 0x38, 0x38, 0x38, 0x2E, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x0A, 0x20, 0x20, 0x20, 0x20, 0x60, 0x38, 0x2E, 0x60, 0x38, 0x38,
+    0x38, 0x62, 0x20, 0x20, 0x20, 0x2C, 0x38, 0x27, 0x20, 0x20, 0x20, 0x20, 0x20, 0x38,
+    0x20, 0x38, 0x38, 0x38, 0x38, 0x38, 0x38, 0x38, 0x38, 0x38, 0x38, 0x38, 0x38, 0x20,
+    0x38, 0x38, 0x20, 0x38, 0x38, 0x38, 0x38, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x2E, 0x38, 0x2E, 0x20, 0x60, 0x38, 0x38, 0x38,
+    0x38, 0x38, 0x2E, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x0A, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x60, 0x38, 0x2E, 0x60, 0x38, 0x38, 0x38, 0x62, 0x20, 0x2C, 0x38, 0x27, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x38, 0x20, 0x38, 0x38, 0x38, 0x38, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x38, 0x38, 0x20, 0x38, 0x38, 0x38, 0x38, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x2E, 0x38, 0x60,
+    0x38, 0x2E, 0x20, 0x60, 0x38, 0x38, 0x38, 0x38, 0x38, 0x2E, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x0A, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x60, 0x38, 0x2E, 0x60, 0x38, 0x38,
+    0x38, 0x62, 0x38, 0x27, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x38, 0x20, 0x38,
+    0x38, 0x38, 0x38, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x38, 0x38,
+    0x20, 0x38, 0x38, 0x38, 0x38, 0x20, 0x20, 0x20, 0x38, 0x38, 0x38, 0x38, 0x38, 0x38,
+    0x38, 0x20, 0x2E, 0x38, 0x27, 0x20, 0x60, 0x38, 0x2E, 0x20, 0x60, 0x38, 0x38, 0x38,
+    0x38, 0x38, 0x2E, 0x20, 0x20, 0x20, 0x20, 0x0A, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x60, 0x38, 0x2E, 0x60, 0x38, 0x38, 0x38, 0x27, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x38, 0x20, 0x38, 0x38, 0x38, 0x38, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x60, 0x38, 0x20, 0x38, 0x38, 0x38, 0x38, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x2E, 0x38, 0x27, 0x2E, 0x38, 0x27, 0x20, 0x20, 0x20, 0x60,
+    0x38, 0x2E, 0x20, 0x60, 0x38, 0x38, 0x38, 0x38, 0x38, 0x2E, 0x20, 0x20, 0x20, 0x0A,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x60, 0x38, 0x2E, 0x60, 0x38, 0x27,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x38, 0x20, 0x38, 0x38, 0x38,
+    0x38, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x38,
+    0x38, 0x38, 0x38, 0x20, 0x20, 0x20, 0x20, 0x20, 0x2C, 0x38, 0x38, 0x27, 0x2E, 0x38,
+    0x38, 0x38, 0x38, 0x38, 0x38, 0x38, 0x38, 0x38, 0x2E, 0x20, 0x60, 0x38, 0x38, 0x38,
+    0x38, 0x38, 0x2E, 0x20, 0x20, 0x0A, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x60, 0x38, 0x2E, 0x60, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x38, 0x20, 0x38, 0x38, 0x38, 0x38, 0x38, 0x38, 0x38, 0x38, 0x38, 0x38, 0x38,
+    0x38, 0x20, 0x20, 0x20, 0x20, 0x20, 0x60, 0x38, 0x38, 0x38, 0x38, 0x38, 0x38, 0x38,
+    0x50, 0x27, 0x20, 0x2E, 0x38, 0x27, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x60,
+    0x38, 0x2E, 0x20, 0x60, 0x38, 0x38, 0x38, 0x38, 0x38, 0x2E, 0x20, 0x00
+};
diff --git a/sys/lib/string/itoa.c b/sys/lib/string/itoa.c
new file mode 100644
index 0000000..c344161
--- /dev/null
+++ b/sys/lib/string/itoa.c
@@ -0,0 +1,135 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#include <string.h>
+
+static char *itoa_base10_convert(int64_t value, char *buf);
+
+static char *
+itoa_base10_convert(int64_t value, char *buf)
+{
+        size_t i;
+        uint8_t tmp;
+        bool is_negative;
+
+        i = 0;
+        is_negative = false;
+
+        if (value == 0) {
+            buf[i++] = '0';
+            buf[i++] = '\0';
+        }
+
+        if (value < 0) {
+            /* Easier to handle positive numbers */
+            value *= -1;
+            is_negative = true;
+        }
+
+        while (value > 0) {
+            buf[i++] = '0' + (value % 10);
+            value /= 10;
+        }
+
+        if (is_negative) {
+            buf[i++] = '-';
+        }
+
+        buf[i--] = '\0';
+
+        /* Result is in reverse */
+        for (int j = 0; j < i; ++j, --i) {
+            tmp = buf[j];
+            buf[j] = buf[i];
+            buf[i] = tmp;
+        }
+
+        return buf;
+}
+
+static char *
+itoa_convert_base16(uint64_t n, char *buffer)
+{
+    bool pad;
+    uint8_t nibble;
+    uint8_t i, j, tmp;
+    const char *ascii_nums = "0123456789ABCDEF";
+
+    i = 0;
+    pad = false;
+
+    if (n == 0) {
+            /* Zero, no need to parse */
+            memcpy(buffer, "0x00\0", 5);
+            return buffer;
+    }
+    /* If one digit, pad out 2 later */
+    if (n < 0x10) {
+            pad = true;
+    }
+
+    while (n > 0) {
+            nibble = (uint8_t)n & 0x0F;
+            nibble = ascii_nums[nibble];
+            buffer[i++] = nibble;
+            n >>= 4;        /* Fetch next nibble */
+    }
+
+    if (pad) {
+            buffer[i++] = '0';
+    }
+
+    /* Add "0x" prefix */
+    buffer[i++] = 'x';
+    buffer[i++] = '0';
+    buffer[i--] = '\0';
+
+    /* Unreverse the result */
+    for (j = 0; j < i; ++j, --i) {
+            tmp = buffer[j];
+            buffer[j] = buffer[i];
+            buffer[i] = tmp;
+    }
+    return buffer;
+}
+
+char *
+itoa(int64_t value, char *buf, int base)
+{
+    switch (base) {
+        case 10:
+            return itoa_base10_convert(value, buf);
+        case 16:
+            return itoa_convert_base16(value, buf);
+        default:
+            return NULL;
+    }
+}
diff --git a/sys/lib/string/memcpy.c b/sys/lib/string/memcpy.c
new file mode 100644
index 0000000..a71efc7
--- /dev/null
+++ b/sys/lib/string/memcpy.c
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#include <string.h>
+
+void *
+memcpy(void *dest, const void *src, size_t n)
+{
+    for (size_t i = 0; i < n; ++i) {
+        ((char *)dest)[i] = ((char *)src)[i];
+    }
+
+    return dest;
+}
+
+void *
+memcpy32(void *dest, const void *src, size_t n)
+{
+        for (size_t i = 0; i < n; ++i) {
+                ((uint32_t *)dest)[i] = ((uint32_t *)src)[i];
+        }
+
+        return dest;
+}
diff --git a/sys/lib/string/memmove.c b/sys/lib/string/memmove.c
new file mode 100644
index 0000000..55991ed
--- /dev/null
+++ b/sys/lib/string/memmove.c
@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#include <string.h>
+
+void *
+memmove(void *s1, const void *s2, size_t n)
+{
+    const char *f = s2;
+    char *t = s1;
+
+    if (f < t) {
+        f += n;
+        t += n;
+        while (n-- > 0)
+            *--t = *--f;
+    } else {
+        while (n-- > 0)
+            *t++ = *f++;
+    }
+
+    return s1;
+}
diff --git a/sys/lib/string/memset.c b/sys/lib/string/memset.c
new file mode 100644
index 0000000..98de192
--- /dev/null
+++ b/sys/lib/string/memset.c
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#include <string.h>
+
+void *
+memset(void *s, int c, size_t n)
+{
+    for (size_t i = 0; i < n; ++i) {
+        ((char *)s)[i] = c;
+    }
+
+    return s;
+}
diff --git a/sys/lib/string/strlen.c b/sys/lib/string/strlen.c
new file mode 100644
index 0000000..e27c7be
--- /dev/null
+++ b/sys/lib/string/strlen.c
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#include <string.h>
+
+size_t
+strlen(const char *s)
+{
+    size_t len;
+
+    len = 0;
+    while (s[len++]);
+    return len - 1;
+}
diff --git a/sys/lib/tty_font.c b/sys/lib/tty_font.c
new file mode 100644
index 0000000..5d2f516
--- /dev/null
+++ b/sys/lib/tty_font.c
@@ -0,0 +1,378 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#include <lib/tty_font.h>
+
+
+const uint8_t DEFAULT_FONT_DATA[] = {
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x3c, 0x42, 0x81, 0x81, 0xa5, 0xa5, 0x81,
+  0x81, 0xa5, 0x99, 0x81, 0x42, 0x3c, 0x00, 0x00, 0x00, 0x3c, 0x7e, 0xff,
+  0xff, 0xdb, 0xdb, 0xff, 0xff, 0xdb, 0xe7, 0xff, 0x7e, 0x3c, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x6c, 0xfe, 0xfe, 0xfe, 0x7c, 0x7c, 0x38, 0x38, 0x10,
+  0x10, 0x00, 0x00, 0x00, 0x00, 0x10, 0x10, 0x38, 0x38, 0x7c, 0x7c, 0xfe,
+  0x7c, 0x7c, 0x38, 0x38, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18,
+  0x3c, 0x3c, 0xdb, 0xff, 0xff, 0xdb, 0x18, 0x18, 0x3c, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x18, 0x3c, 0x7e, 0xff, 0xff, 0xff, 0x66, 0x18, 0x18,
+  0x3c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x78,
+  0x78, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xe7, 0xc3, 0xc3, 0xe7, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0xcc, 0x84, 0x84, 0xcc, 0x78, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc3, 0x99, 0xbd,
+  0xbd, 0x99, 0xc3, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x1e,
+  0x0e, 0x1e, 0x32, 0x78, 0xcc, 0xcc, 0xcc, 0x78, 0x00, 0x00, 0x00, 0x00,
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+  0xc6, 0xc6, 0xc6, 0xce, 0x76, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x7c, 0xc6, 0xc6, 0xfe, 0xc0, 0xc0, 0xc0, 0x7e, 0x00, 0x00, 0x00,
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+  0x3c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x1e, 0x06, 0x06,
+  0x06, 0x06, 0x06, 0x06, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0xc0, 0xc0,
+  0xc0, 0xc6, 0xcc, 0xd8, 0xf0, 0xf0, 0xd8, 0xcc, 0xc6, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x38, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+  0x3c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xec, 0xfe, 0xd6,
+  0xd6, 0xd6, 0xd6, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0xdc, 0xe6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6,
+  0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xdc, 0xe6, 0xc6,
+  0xc6, 0xc6, 0xe6, 0xdc, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x76, 0xce, 0xc6, 0xc6, 0xc6, 0xce, 0x76, 0x06, 0x06, 0x06, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0xdc, 0xe6, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0,
+  0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6, 0xc0,
+  0x70, 0x1c, 0x06, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30,
+  0x30, 0xfe, 0x30, 0x30, 0x30, 0x30, 0x30, 0x36, 0x1c, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6,
+  0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc6, 0xc6, 0xc6,
+  0xc6, 0xc6, 0x6c, 0x38, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0xc6, 0xc6, 0xd6, 0xd6, 0xd6, 0xd6, 0xfe, 0x6c, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0xc6, 0xc6, 0x6c, 0x38, 0x38, 0x6c, 0xc6,
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+  0xc6, 0xc6, 0xce, 0x76, 0x06, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0xfe, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0xfe, 0x00, 0x00, 0x00,
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+  0x1c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0x30, 0x30, 0x30, 0x00,
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+  0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0xfe, 0x00, 0x00, 0xfe, 0x00, 0x00, 0xfe, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0xfc,
+  0x30, 0x30, 0x00, 0x00, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x60, 0x30, 0x18, 0x0c, 0x18, 0x30, 0x60, 0x00, 0xfc, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x18, 0x30, 0x60, 0xc0, 0x60, 0x30, 0x18, 0x00,
+  0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1c, 0x36, 0x36, 0x30, 0x30, 0x30,
+  0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x18, 0x18, 0x18, 0x18,
+  0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xd8, 0xd8, 0x70, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0x00, 0xfc, 0x00, 0x30, 0x30, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x76, 0xdc, 0x00,
+  0x76, 0xdc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0xcc, 0xcc,
+  0xcc, 0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x0c, 0x0c,
+  0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0xcc, 0x6c, 0x3c, 0x1c, 0x0c, 0x00, 0x00,
+  0x00, 0xd8, 0xec, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x6c, 0x0c, 0x18, 0x30, 0x60, 0x7c,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x78, 0x78, 0x78, 0x78, 0x78, 0x78, 0x78, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00
+};
diff --git a/sys/vm/vm.c b/sys/vm/vm.c
new file mode 100644
index 0000000..1483909
--- /dev/null
+++ b/sys/vm/vm.c
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#include <vm/vm.h>
+
+volatile struct limine_hhdm_request g_hhdm_request = {
+    .id = LIMINE_HHDM_REQUEST,
+    .revision = 0
+};
diff --git a/sys/vm/vm_physseg.c b/sys/vm/vm_physseg.c
new file mode 100644
index 0000000..3b546e7
--- /dev/null
+++ b/sys/vm/vm_physseg.c
@@ -0,0 +1,180 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of VegaOS nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+
+#include <sys/limine.h>
+#include <sys/cdefs.h>
+#include <sys/syslog.h>
+#include <vm/vm_physseg.h>
+#include <vm/vm.h>
+#include <bitmap.h>
+#include <string.h>
+
+__MODULE_NAME("vm_physseg");
+
+__KERNEL_META("$Vega$: vm_physseg.c, Ian Marco Moffett, "
+              "The Vega physical memory manager");
+
+#define VM_PHYSSEG_DEBUG
+
+#if defined(VM_PHYSSEG_DEBUG)
+#define DPRINTF(...) KDEBUG(__VA_ARGS__)
+#else
+#define DPRINTF(...) __nothing
+#endif      /* defined(VM_PHYSSEG_DEBUG) */
+
+static struct limine_memmap_request mmap_req = {
+    .id = LIMINE_MEMMAP_REQUEST,
+    .revision = 0
+};
+
+static struct limine_memmap_response *resp = NULL;
+
+__used static const char *segment_name[] = {
+    [LIMINE_MEMMAP_USABLE]                  = "usable",
+    [LIMINE_MEMMAP_RESERVED]                = "reserved",
+    [LIMINE_MEMMAP_ACPI_RECLAIMABLE]        = "ACPI reclaimable",
+    [LIMINE_MEMMAP_ACPI_NVS]                = "ACPI NVS",
+    [LIMINE_MEMMAP_BAD_MEMORY]              = "bad",
+    [LIMINE_MEMMAP_BOOTLOADER_RECLAIMABLE]  = "bootloader reclaimable",
+    [LIMINE_MEMMAP_KERNEL_AND_MODULES]      = "kernel and modules",
+    [LIMINE_MEMMAP_FRAMEBUFFER]             = "framebuffer"
+};
+
+static const int MAX_SEGMENTS = __ARRAY_COUNT(segment_name);
+
+
+static bitmap_t bitmap = NULL;
+static size_t bitmap_size = 0;
+static size_t bitmap_free_start;    /* Beginning bit of free region */
+
+static void
+vm_physseg_bitmap_alloc(void)
+{
+    struct limine_memmap_entry *entry;
+
+    for (size_t i = 0; i < resp->entry_count; ++i) {
+        entry = resp->entries[i];
+
+        /* Drop any entries with an invalid type */
+        if (entry->type >= MAX_SEGMENTS) {
+            continue;
+        }
+
+        if (entry->type != LIMINE_MEMMAP_USABLE) {
+            /* This memory is not usable */
+            continue;
+        }
+
+        if (entry->length >= bitmap_size) {
+            bitmap = PHYS_TO_VIRT(entry->base);
+            memset(bitmap, 0xFF, bitmap_size);
+            entry->length -= bitmap_size;
+            entry->base += bitmap_size;
+            return;
+        }
+    }
+}
+
+static void
+vm_physseg_bitmap_populate(void)
+{
+    struct limine_memmap_entry *entry;
+    size_t start, end;
+
+    for (size_t i = 0; i < resp->entry_count; ++i) {
+        entry = resp->entries[i];
+
+        /* Drop any entries with an invalid type */
+        if (entry->type >= MAX_SEGMENTS) {
+            continue;
+        }
+
+        /* Dump the memory map if we are debugging */
+        start = entry->base;
+        end = entry->base + entry->length;
+        DPRINTF("0x%x - 0x%x, size: 0x%x, type: %s\n",
+                start, end, entry->length,
+                segment_name[entry->type]);
+
+        /* Don't set non-usable entries as free */
+        if (entry->type != LIMINE_MEMMAP_USABLE) {
+            continue;
+        }
+
+        /* Populate */
+        if (bitmap_free_start == 0) {
+            bitmap_free_start = entry->base/0x1000;
+        }
+        for (size_t j = 0; j < entry->length; j += 0x1000) {
+            bitmap_unset_bit(bitmap, (entry->base + j) / 0x1000);
+        }
+    }
+}
+
+static void
+vm_physseg_bitmap_init(void)
+{
+    uintptr_t highest_addr;
+    size_t highest_page_idx;
+    struct limine_memmap_entry *entry;
+
+    highest_addr = 0;
+    highest_page_idx = 0;
+
+    /* Find the highest entry */
+    for (size_t i = 0; i < resp->entry_count; ++i) {
+        entry = resp->entries[i];
+
+        if (entry->type != LIMINE_MEMMAP_USABLE) {
+            /* Memeory not usable */
+            continue;
+        }
+
+        highest_addr = __MAX(highest_addr, entry->base + entry->length);
+    }
+
+    highest_page_idx = highest_addr / 0x1000;
+    bitmap_size = __ALIGN_UP(highest_page_idx / 8, 0x1000);
+
+    DPRINTF("Bitmap size: %d bytes\n", bitmap_size);
+    DPRINTF("Allocating and populating bitmap now...\n");
+
+    vm_physseg_bitmap_alloc();
+    vm_physseg_bitmap_populate();
+}
+
+void
+vm_physseg_init(void)
+{
+    resp = mmap_req.response;
+
+    vm_physseg_bitmap_init();
+}
diff --git a/tools/cross.sh b/tools/cross.sh
new file mode 100644
index 0000000..77e47de
--- /dev/null
+++ b/tools/cross.sh
@@ -0,0 +1,148 @@
+#!/bin/bash
+
+#
+# Copyright (c) 2023 Ian Marco Moffett and the VegaOS team.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice,
+#    this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. Neither the name of VegaOS nor the names of its contributors may be used
+#    to endorse or promote products derived from this software without
+#    specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+
+################################################################
+# Configuration
+################################################################
+
+# Exit if there is an error
+set -e
+
+# Target to use
+TARGET=$1-elf
+
+# Versions to build
+# Always use the latest working version (test before updating)
+BUT_VER=2.40
+GCC_VER=13.1.0
+
+# Tar file extension to use
+# Always use the one with the smallest file size (check when updating version)
+BUT_EXT=xz
+GCC_EXT=xz
+
+# Multicore builds
+
+if [ "$(uname)" = "FreeBSD" ]; then
+  CORES=$(($(sysctl -n hw.ncpu) + 1))
+  LOAD=$(sysctl -n hw.ncpu)
+else
+  CORES=$(($(nproc) + 1))
+  LOAD=$(nproc)
+fi
+
+PREFIX="$(pwd)/cross"
+export PATH="$PREFIX/bin:$PATH"
+
+echo "Building $TARGET Binutils $BUT_VER and GCC $GCC_VER..."
+echo "Cores: $CORES, load: $LOAD"
+
+################################################################
+# Source Tarballs
+################################################################
+
+BUT_TARBALL=binutils-$BUT_VER.tar.$BUT_EXT
+GCC_TARBALL=gcc-$GCC_VER.tar.$GCC_EXT
+
+mkdir -p buildcc
+cd buildcc
+
+# Download tarballs
+echo "Downloading Binutils tarball..."
+if [ ! -f $BUT_TARBALL ]; then
+    wget https://ftp.gnu.org/gnu/binutils/$BUT_TARBALL
+fi
+
+echo "Downloading GCC tarball..."
+if [ ! -f $GCC_TARBALL ]; then
+    wget https://ftp.gnu.org/gnu/gcc/gcc-$GCC_VER/$GCC_TARBALL
+fi
+
+# Unzip tarballs
+printf "%s" "Unzipping Binutils tarball"
+tar -xf $BUT_TARBALL
+echo "" # Newline :~)
+printf "%s" "Unzipping GCC tarball"
+tar -xf $GCC_TARBALL
+
+################################################################
+# Building
+################################################################
+
+echo "Removing old build directories..."
+rm -rf buildcc-gcc build-binutils
+
+# Build binutils
+mkdir buildcc-binutils
+cd buildcc-binutils
+echo "Configuring Binutils..."
+../binutils-$BUT_VER/configure --target=$TARGET --prefix="$PREFIX" --with-sysroot --disable-nls --disable-werror
+echo "Building Binutils..."
+make -j$CORES -l$LOAD
+echo "Installing Binutils..."
+make install -j$CORES -l$LOAD
+cd ..
+
+# Build gcc
+cd gcc-$GCC_VER
+echo "Downloading prerequisites for GCC..."
+contrib/download_prerequisites
+cd ..
+mkdir buildcc-gcc
+cd buildcc-gcc
+echo "Configuring GCC..."
+../gcc-$GCC_VER/configure --target=$TARGET --prefix="$PREFIX" --disable-nls --enable-languages=c --without-headers
+echo "Building all-gcc..."
+make all-gcc -j$CORES -l$LOAD
+echo "Building all-target-libgcc..."
+make all-target-libgcc -j$CORES -l$LOAD
+echo "Installing GCC..."
+make install-gcc -j$CORES -l$LOAD
+echo "Installing target-libgcc..."
+make install-target-libgcc -j$CORES -l$LOAD
+cd ../..
+
+echo "Removing build directory..."
+rm -rf buildcc
+
+echo "Build complete, binaries are in $PREFIX/bin"
+
+################################################################
+# Basic Testing (just prints info for now)
+################################################################
+
+echo "Testing GCC..."
+$TARGET-gcc -v
+
+echo "Testing LD..."
+$TARGET-ld -v
+
+echo "Done!"
diff --git a/tools/ksyms b/tools/ksyms
new file mode 100755
index 0000000..f09203f
--- /dev/null
+++ b/tools/ksyms
@@ -0,0 +1,10 @@
+#!/bin/bash
+# $Id$
+
+rm -f $1
+printf "#include <sys/types.h>\n\nstruct kernel_symbol" > $1
+printf " {\n\tuint64_t addr;\n\tchar* name;\n};\n\n" >> $1
+printf "const struct kernel_symbol g_ksym_table[] = {\n" >> $1
+nm $2 | grep " [tT] " | awk '{ print " { .addr = 0x"$1", .name = \""$3"\" }," }' | sort >> $1
+printf "    { .addr = (size_t)-1, .name = \"\" }\n};\n\n" >> $1
+printf "const int ksym_elem_count = sizeof(g_ksym_table) / sizeof(*g_ksym_table);\n" >> $1
diff --git a/tools/meta-rip b/tools/meta-rip
new file mode 100755
index 0000000..873a003
--- /dev/null
+++ b/tools/meta-rip
@@ -0,0 +1,42 @@
+#!/bin/bash
+# $Id$
+
+if [[ ! -f $1 ]]
+then
+    echo "File not found: $1"
+    exit
+fi
+
+readelf -S $1 | grep -q "\.meta\.note" > /dev/null
+if [ $? -ne 0 ]
+then
+    echo "No metadata in ELF; '.meta.note' non-existent"
+    exit
+fi
+
+meta=$(objcopy $1 /dev/null --dump-section .meta.note=/dev/stdout | cat | tr -d '\0')
+
+# Remove the leading and trailing '$' characters
+meta=${meta#'$'}
+meta=${meta%'$'}
+
+# Use regular expression to extract the cookie, filename, author, and description
+if [[ $meta =~ ^([^:]+):\s*([^,]+),\s*([^,]+),\s*(.*)$ ]]; then
+    cookie=${BASH_REMATCH[1]}
+    filename=${BASH_REMATCH[2]}
+    author=${BASH_REMATCH[3]}
+    description=${BASH_REMATCH[4]}
+    cookie=${cookie%?}  # Remove the last character
+fi
+
+if [[ $cookie != "Vega" ]]
+then
+    echo "Invalid cookie found!"
+    exit
+fi
+
+echo "Cookie: $cookie"
+echo "Filename: $filename"
+echo "Author: $author"
+echo "Description: $description"
+
diff --git a/tools/update-copyright b/tools/update-copyright
new file mode 100755
index 0000000..934803e
--- /dev/null
+++ b/tools/update-copyright
@@ -0,0 +1,12 @@
+#!/bin/bash
+# $Id$
+
+# Set the current year as a variable
+current_year=$(date +"%Y")
+
+# Find all files in the sys/ directory and its subdirectories
+find . -type f -print0 | while read -d $'\0' file
+do
+  # Replace the old copyright notice with the new one
+  sed -i "s/\(Copyright (c) \)[0-9]\{4\}\(.*\)/\1${current_year}\2/g" "${file}"
+done