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-rw-r--r--sys/include/arch/aarch64/board.h51
-rw-r--r--sys/include/arch/aarch64/cdefs.h1
-rw-r--r--sys/include/arch/aarch64/cpu.h1
-rw-r--r--sys/include/arch/aarch64/exception.h54
-rw-r--r--sys/include/arch/aarch64/frame.h80
-rw-r--r--sys/include/arch/aarch64/frameasm.h89
-rw-r--r--sys/include/arch/aarch64/intr.h57
-rw-r--r--sys/include/arch/aarch64/param.h35
-rw-r--r--sys/include/arch/aarch64/pci/pci.h40
-rw-r--r--sys/include/arch/aarch64/pio.h1
-rw-r--r--sys/include/arch/amd64/asm.h10
-rw-r--r--sys/include/arch/amd64/bus.h8
-rw-r--r--sys/include/arch/amd64/cdefs.h12
-rw-r--r--sys/include/arch/amd64/cpu.h53
-rw-r--r--sys/include/arch/amd64/intr.h28
-rw-r--r--sys/include/arch/amd64/ipi.h67
-rw-r--r--sys/include/arch/amd64/isa/i8042var.h4
-rw-r--r--sys/include/arch/amd64/param.h35
-rw-r--r--sys/include/arch/amd64/pci/pci.h40
-rw-r--r--sys/include/arch/amd64/tsc.h55
20 files changed, 667 insertions, 54 deletions
diff --git a/sys/include/arch/aarch64/board.h b/sys/include/arch/aarch64/board.h
new file mode 100644
index 0000000..bba421f
--- /dev/null
+++ b/sys/include/arch/aarch64/board.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora 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 Hyra 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.
+ */
+
+#ifndef _MACHINE_BOARD_H_
+#define _MACHINE_BOARD_H_
+
+/* Board implementer */
+#define BOARD_ARM_LIMITED 0x41 /* ARM Limited */
+#define BOARD_BROADCOM 0x42 /* Broadcom corp */
+#define BOARD_CAVIUM 0x43 /* Calvium Inc */
+#define BOARD_DIGITAL_EQUIP 0x44 /* Digital Equipment Corporation */
+#define BOARD_FUJITSU 0x46 /* Fujitsu Ltd */
+
+/*
+ * Board information, contains a part number
+ * and an implementer number.
+ */
+struct board_info {
+ uint8_t implementer;
+ uint16_t partno : 12;
+};
+
+void md_get_board(struct board_info *res);
+
+#endif /* !_MACHINE_BOARD_H_ */
diff --git a/sys/include/arch/aarch64/cdefs.h b/sys/include/arch/aarch64/cdefs.h
index a22c436..aaf8649 100644
--- a/sys/include/arch/aarch64/cdefs.h
+++ b/sys/include/arch/aarch64/cdefs.h
@@ -36,5 +36,6 @@
#define md_pause() __ASMV("yield")
#define md_intoff() __ASMV("msr daifset, #2")
#define md_inton() __ASMV("msr daifclr, #2")
+#define md_hlt() __ASMV("hlt #0")
#endif /* !_AARCH64_CDEFS_H_ */
diff --git a/sys/include/arch/aarch64/cpu.h b/sys/include/arch/aarch64/cpu.h
index 2f62d95..8c2d837 100644
--- a/sys/include/arch/aarch64/cpu.h
+++ b/sys/include/arch/aarch64/cpu.h
@@ -39,6 +39,7 @@ struct cpu_info {
struct cpu_info *self;
};
+__dead void cpu_halt_all(void);
void cpu_startup(struct cpu_info *ci);
void cpu_halt_others(void);
diff --git a/sys/include/arch/aarch64/exception.h b/sys/include/arch/aarch64/exception.h
new file mode 100644
index 0000000..9e89c81
--- /dev/null
+++ b/sys/include/arch/aarch64/exception.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora 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 Hyra 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.
+ */
+
+#ifndef _MACHINE_EXCEPTION_H_
+#define _MACHINE_EXCEPTION_H_
+
+#include <sys/types.h>
+#include <machine/frame.h>
+
+/* Exception class */
+#define EC_UNKNOWN 0x00 /* Unknown type */
+#define EC_WF 0x01 /* Trapped WF instruction */
+#define EC_MCRMRC 0x03 /* Trapped MCR/MRC */
+#define EC_MCRRC 0x04 /* Trapped MCRR/MRRC */
+#define EC_LDCSTC 0x06 /* Trapped LDC/STC */
+#define EC_SVE 0x07 /* Trapped SVE/SIMD/FP op */
+#define EC_BRE 0x0D /* Branch target exception */
+#define EC_ILLX 0x0E /* Illegal execution state */
+#define EC_SVC64 0x15 /* AARCH64 SVC */
+#define EC_PCALIGN 0x22 /* PC alignment fault */
+#define EC_DABORT 0x24 /* Data abort (w/o ELx change) */
+#define EC_EDABORT 0x25 /* Data abort (w/ ELx change) */
+#define EC_SPALIGN 0x26 /* SP alignment fault */
+#define EC_SERR 0x2F /* System error (what the fuck!) */
+
+void handle_exception(struct trapframe *tf);
+
+#endif /* !_MACHINE_EXCEPTION_H_ */
diff --git a/sys/include/arch/aarch64/frame.h b/sys/include/arch/aarch64/frame.h
index fa4d33d..143f4d0 100644
--- a/sys/include/arch/aarch64/frame.h
+++ b/sys/include/arch/aarch64/frame.h
@@ -31,43 +31,10 @@
#define _MACHINE_FRAME_H_
#include <sys/types.h>
+#include <sys/cdefs.h>
typedef uint64_t lreg_t;
-
-/* General purpose registers */
-struct gpregs {
- lreg_t x0;
- lreg_t x1;
- lreg_t x2;
- lreg_t x3;
- lreg_t x4;
- lreg_t x5;
- lreg_t x6;
- lreg_t x7;
- lreg_t x8;
- lreg_t x9;
- lreg_t x10;
- lreg_t x11;
- lreg_t x12;
- lreg_t x13;
- lreg_t x14;
- lreg_t x15;
- lreg_t x16;
- lreg_t x17;
- lreg_t x18;
- lreg_t x19;
- lreg_t x20;
- lreg_t x21;
- lreg_t x22;
- lreg_t x23;
- lreg_t x24;
- lreg_t x25;
- lreg_t x26;
- lreg_t x27;
- lreg_t x28;
- lreg_t x29;
- lreg_t x30;
-};
+typedef uint64_t frament_t;
/* Stack regs */
struct sregs {
@@ -83,14 +50,41 @@ struct pstat {
lreg_t spsr_el3;
};
-struct trapframe {
- struct gpregs gp;
- struct sregs stack;
- struct pstat status;
- lreg_t elr_el1;
- lreg_t elr_el2;
- lreg_t elr_el3;
- lreg_t pc;
+struct __aligned(16) trapframe {
+ lreg_t x30;
+ lreg_t x29;
+ lreg_t x28;
+ lreg_t x27;
+ lreg_t x26;
+ lreg_t x25;
+ lreg_t x24;
+ lreg_t x23;
+ lreg_t x22;
+ lreg_t x21;
+ lreg_t x20;
+ lreg_t x19;
+ lreg_t x18;
+ lreg_t x17;
+ lreg_t x16;
+ lreg_t x15;
+ lreg_t x14;
+ lreg_t x13;
+ lreg_t x12;
+ lreg_t x11;
+ lreg_t x10;
+ lreg_t x9;
+ lreg_t x8;
+ lreg_t x7;
+ lreg_t x6;
+ lreg_t x5;
+ lreg_t x4;
+ lreg_t x3;
+ lreg_t x2;
+ lreg_t x1;
+ lreg_t x0;
+ lreg_t elr;
+ lreg_t esr;
+ frament_t trapno;
};
#define TF_IP(TFP) ((TFP)->pc)
diff --git a/sys/include/arch/aarch64/frameasm.h b/sys/include/arch/aarch64/frameasm.h
new file mode 100644
index 0000000..ca7f81a
--- /dev/null
+++ b/sys/include/arch/aarch64/frameasm.h
@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora 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 Hyra 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.
+ */
+
+#ifndef _MACHINE_FRAMEASM_H_
+#define _MACHINE_FRAMEASM_H_
+
+/* XXX: Must be 16-byte aligned!!! */
+#define XFRAME_STACK_SIZE (38 * 8)
+
+/* Trap numbers */
+#define TRAPNO_UNKNOWN #0
+#define TRAPNO_XSYNC #1 /* Synchronous */
+#define TRAPNO_XIRQ #2 /* IRQ */
+#define TRAPNO_XFIQ #3 /* FIQ */
+#define TRAPNO_XSERR #4 /* System error */
+
+#define PUSH_XFRAME(TRAPNO) \
+ sub sp, sp, #XFRAME_STACK_SIZE ; \
+ stp x30, x29, [sp, #(0 * 8)] ; \
+ stp x28, x27, [sp, #(2 * 8)] ; \
+ stp x26, x25, [sp, #(4 * 8)] ; \
+ stp x24, x23, [sp, #(6 * 8)] ; \
+ stp x22, x21, [sp, #(8 * 8)] ; \
+ stp x20, x19, [sp, #(10 * 8)] ; \
+ stp x18, x17, [sp, #(12 * 8)] ; \
+ stp x16, x15, [sp, #(14 * 8)] ; \
+ stp x14, x13, [sp, #(16 * 8)] ; \
+ stp x12, x11, [sp, #(18 * 8)] ; \
+ stp x10, x9, [sp, #(20 * 8)] ; \
+ stp x8, x7, [sp, #(22 * 8)] ; \
+ stp x6, x5, [sp, #(24 * 8)] ; \
+ stp x4, x3, [sp, #(26 * 8)] ; \
+ stp x2, x1, [sp, #(28 * 8)] ; \
+ str x0, [sp, #(30 * 8)] ; \
+ ; \
+ mrs x0, elr_el1 ; \
+ str x0, [sp, #(31 * 8)] ; \
+ mrs x0, esr_el1 ; \
+ str x0, [sp, #(32 * 8)] ; \
+ mov x0, TRAPNO ; \
+ str x0, [sp, #(33 * 8)] ; \
+ mov x0, sp
+
+#define POP_XFRAME() \
+ ldr x0, [sp, #(30 * 8)] ; \
+ ldp x2, x1, [sp, #(28 * 8)] ; \
+ ldp x4, x3, [sp, #(26 * 8)] ; \
+ ldp x6, x5, [sp, #(24 * 8)] ; \
+ ldp x8, x7, [sp, #(22 * 8)] ; \
+ ldp x10, x9, [sp, #(20 * 8)] ; \
+ ldp x12, x11, [sp, #(18 * 8)] ; \
+ ldp x14, x13, [sp, #(16 * 8)] ; \
+ ldp x16, x15, [sp, #(14 * 8)] ; \
+ ldp x18, x17, [sp, #(12 * 8)] ; \
+ ldp x20, x19, [sp, #(10 * 8)] ; \
+ ldp x22, x21, [sp, #(8 * 8)] ; \
+ ldp x24, x23, [sp, #(6 * 8)] ; \
+ ldp x26, x25, [sp, #(4 * 8)] ; \
+ ldp x28, x27, [sp, #(2 * 8)] ; \
+ ldp x30, x29, [sp, #(0 * 8)] ; \
+ add sp, sp, #XFRAME_STACK_SIZE
+
+#endif /* !_MACHINE_FRAMEASM_H_ */
diff --git a/sys/include/arch/aarch64/intr.h b/sys/include/arch/aarch64/intr.h
new file mode 100644
index 0000000..b85564f
--- /dev/null
+++ b/sys/include/arch/aarch64/intr.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora 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 Hyra 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.
+ */
+
+#ifndef _MACHINE_INTR_H_
+#define _MACHINE_INTR_H_
+
+#include <sys/types.h>
+
+/*
+ * Interrupt priority levels
+ */
+#define IPL_NONE 0 /* Don't defer anything */
+#define IPL_BIO 1 /* Block I/O */
+#define IPL_CLOCK 2 /* Clock */
+#define IPL_HIGH 3 /* Defer everything */
+
+struct intr_entry {
+ int priority;
+};
+
+struct intr_hand {
+ int(*func)(void *);
+ char *name;
+ int priority;
+ int irq;
+ int vector;
+};
+
+void *intr_register(const char *name, const struct intr_hand *ih);
+
+#endif /* !_MACHINE_INTR_H_ */
diff --git a/sys/include/arch/aarch64/param.h b/sys/include/arch/aarch64/param.h
new file mode 100644
index 0000000..c074ffb
--- /dev/null
+++ b/sys/include/arch/aarch64/param.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora 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 Hyra 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.
+ */
+
+#ifndef _AARCH64_PARAM_H_
+#define _AARCH64_PARAM_H_
+
+#define M_WORD_SIZE 4
+
+#endif /* !_AARCH64_PARAM_H_ */
diff --git a/sys/include/arch/aarch64/pci/pci.h b/sys/include/arch/aarch64/pci/pci.h
new file mode 100644
index 0000000..189a423
--- /dev/null
+++ b/sys/include/arch/aarch64/pci/pci.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora 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 Hyra 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.
+ */
+
+#ifndef _MACHINE_PCI_H_
+#define _MACHINE_PCI_H_
+
+#include <sys/types.h>
+#include <sys/cdefs.h>
+#include <dev/pci/pci.h>
+
+__weak pcireg_t md_pci_readl(struct pci_device *dev, uint32_t off);
+__weak void md_pci_writel(struct pci_device *dev, uint32_t off, pcireg_t val);
+
+#endif /* !_MACHINE_PCI_H_ */
diff --git a/sys/include/arch/aarch64/pio.h b/sys/include/arch/aarch64/pio.h
index 4aaeece..41f07fb 100644
--- a/sys/include/arch/aarch64/pio.h
+++ b/sys/include/arch/aarch64/pio.h
@@ -39,5 +39,4 @@
#define outw(...) __nothing
#define outl(...) __nothing
-
#endif /* _MACHINE_PIO_H_ */
diff --git a/sys/include/arch/amd64/asm.h b/sys/include/arch/amd64/asm.h
index 8d2c812..aca49d2 100644
--- a/sys/include/arch/amd64/asm.h
+++ b/sys/include/arch/amd64/asm.h
@@ -34,6 +34,16 @@
#include <sys/param.h>
#include <machine/msr.h>
+/* CR4 bits */
+#define CR4_TSD BIT(2) /* Timestamp disable */
+#define CR4_DE BIT(3) /* Debugging extensions */
+#define CR4_PSE BIT(4) /* Page size extensions */
+#define CR4_PCE BIT(8) /* Performance monitoring counter enable */
+#define CR4_UMIP BIT(11) /* User mode instruction prevention */
+#define CR4_LA57 BIT(12) /* Level 5 paging enable */
+#define CR4_VMXE BIT(13) /* Virtual machine extensions enable */
+#define CR4_SMXE BIT(14) /* Safer mode extensions enable */
+
/*
* Contains information for the current
* core. Stored in %GS.
diff --git a/sys/include/arch/amd64/bus.h b/sys/include/arch/amd64/bus.h
index 00cb3ba..25088b4 100644
--- a/sys/include/arch/amd64/bus.h
+++ b/sys/include/arch/amd64/bus.h
@@ -36,13 +36,7 @@
struct bus_resource;
-/*
- * Hyra assumes that the bootloader uses PDE[256] for some
- * higher half mappings. To avoid conflicts with those mappings,
- * this offset is used to start device memory at PDE[257]. This
- * will give us more than enough space.
- */
-#define MMIO_OFFSET (VM_HIGHER_HALF + 0x8000000000)
+#define MMIO_OFFSET VM_HIGHER_HALF
/* Resource signature size max */
#define RSIG_MAX 16
diff --git a/sys/include/arch/amd64/cdefs.h b/sys/include/arch/amd64/cdefs.h
index 256fd8b..d038a15 100644
--- a/sys/include/arch/amd64/cdefs.h
+++ b/sys/include/arch/amd64/cdefs.h
@@ -31,7 +31,7 @@
#define _AMD64_CDEFS_H_
#include <sys/cdefs.h>
-#include <machine/sync.h>
+#include <machine/cpu.h>
/*
* Please use CLI wisely, it is a good idea to use
@@ -41,5 +41,15 @@
#define md_pause() __ASMV("rep; nop") /* (F3 90) PAUSE */
#define md_intoff() __ASMV("cli") /* Clear interrupts */
#define md_inton() __ASMV("sti") /* Enable interrupts */
+#define md_hlt() cpu_halt() /* Halt the processor */
+
+/*
+ * AMD64 specific defines
+ */
+#define __invlpg(VA) \
+ __ASMV("invlpg %0" \
+ : \
+ : "m" ((VA)) \
+ : "memory")
#endif /* !_AMD64_CDEFS_H_ */
diff --git a/sys/include/arch/amd64/cpu.h b/sys/include/arch/amd64/cpu.h
index dd753b7..5adff29 100644
--- a/sys/include/arch/amd64/cpu.h
+++ b/sys/include/arch/amd64/cpu.h
@@ -33,18 +33,48 @@
#include <sys/types.h>
#include <sys/cdefs.h>
#include <sys/proc.h>
+#include <sys/sched.h>
+#include <sys/spinlock.h>
#include <machine/tss.h>
+#include <machine/cdefs.h>
+#include <machine/intr.h>
#define CPU_IRQ(IRQ_N) (BIT((IRQ_N)) & 0xFF)
+/* Feature bits */
+#define CPU_FEAT_SMAP BIT(0)
+#define CPU_FEAT_SMEP BIT(1)
+#define CPU_FEAT_UMIP BIT(2)
+#define CPU_FEAT_TSCINV BIT(3) /* TSC invariant */
+
+/* CPU vendors */
+#define CPU_VENDOR_OTHER 0x00000000
+#define CPU_VENDOR_INTEL 0x00000001
+#define CPU_VENDOR_AMD 0x00000002
+
+typedef uint32_t ipi_pend_t;
+
struct cpu_info {
uint32_t apicid;
+ uint32_t feat;
+ uint32_t vendor; /* Vendor (see CPU_VENDOR_*) */
+ uint8_t preempt : 1; /* CPU is preemptable */
+ uint8_t ipi_dispatch : 1; /* 1: IPIs being dispatched */
+ ipi_pend_t ipi_pending;
+ uint8_t id; /* MI Logical ID */
+ uint8_t model : 4; /* CPU model number */
+ uint8_t family : 4; /* CPU family ID */
uint8_t has_x2apic : 1;
+ uint8_t tlb_shootdown : 1;
+ uint8_t online : 1; /* CPU online */
uint8_t ipl;
size_t lapic_tmr_freq;
uint8_t irq_mask;
+ vaddr_t shootdown_va;
+ struct sched_cpu stat;
struct tss_entry *tss;
struct proc *curtd;
+ struct spinlock lock;
struct cpu_info *self;
};
@@ -52,9 +82,32 @@ __dead void cpu_halt_all(void);
void cpu_halt_others(void);
void cpu_startup(struct cpu_info *ci);
+void cpu_enable_smep(void);
+void cpu_disable_smep(void);
+
+struct cpu_info *cpu_get(uint32_t index);
+struct sched_cpu *cpu_get_stat(uint32_t cpu_index);
+
+uint32_t cpu_count(void);
+void cpu_shootdown_tlb(vaddr_t va);
+
struct cpu_info *this_cpu(void);
void mp_bootstrap_aps(struct cpu_info *ci);
extern struct cpu_info g_bsp_ci;
+__always_inline static inline void
+cpu_halt(void)
+{
+ struct cpu_info *ci = this_cpu();
+
+ if (ci != NULL)
+ ci->online = 0;
+
+ __ASMV("hlt");
+
+ if (ci != NULL)
+ ci->online = 1;
+}
+
#endif /* !_MACHINE_CPU_H_ */
diff --git a/sys/include/arch/amd64/intr.h b/sys/include/arch/amd64/intr.h
index 2a8d487..6e011fa 100644
--- a/sys/include/arch/amd64/intr.h
+++ b/sys/include/arch/amd64/intr.h
@@ -35,6 +35,8 @@
#define IST_SCHED 1U
#define IST_HW_IRQ 2U
#define IST_SW_INT 3U
+#define IST_SYSCALL 4U
+#define IST_DBFLT 5U
/* Upper 4 bits of interrupt vector */
#define IPL_SHIFT 4
@@ -47,8 +49,23 @@
#define IPL_CLOCK 2 /* Clock */
#define IPL_HIGH 3 /* Defer everything */
-struct intr_entry {
- int priority;
+#define N_IPIVEC 4 /* Number of vectors reserved for IPIs */
+#define IPI_PER_VEC 16 /* Max IPIs per vector */
+
+struct intr_hand;
+
+/*
+ * Contains information passed to driver
+ *
+ * @ihp: Interrupt handler
+ * @data: Driver specific data
+ */
+struct intr_data {
+ struct intr_hand *ihp;
+ union {
+ void *data;
+ uint64_t data_u64;
+ };
};
/*
@@ -57,13 +74,18 @@ struct intr_entry {
* [r]: Required for intr_register()
* [o]: Not required for intr_register()
* [v]: Returned by intr_register()
+ * [i]: Internal
*
* @func: The actual handler [r]
+ * @data: Interrupt data [o/v]
+ * @nintr: Number of times it fired [o]
* @name: Interrupt name [v]
* @priority: Interrupt priority [r]
* @irq: Interrupt request number [o]
* @vector: Interrupt vector [v]
*
+ * XXX: `name' must be null terminated ('\0')
+ *
* XXX: `irq` can be set to -1 for MSI/MSI-X
* interrupts.
*
@@ -76,6 +98,8 @@ struct intr_entry {
*/
struct intr_hand {
int(*func)(void *);
+ size_t nintr;
+ struct intr_data data;
char *name;
int priority;
int irq;
diff --git a/sys/include/arch/amd64/ipi.h b/sys/include/arch/amd64/ipi.h
new file mode 100644
index 0000000..48243e7
--- /dev/null
+++ b/sys/include/arch/amd64/ipi.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora 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 Hyra 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.
+ */
+
+#ifndef _MACHINE_IPI_H_
+#define _MACHINE_IPI_H_
+
+#include <sys/types.h>
+#include <machine/cpu.h>
+#include <machine/lapic.h>
+
+/*
+ * IPI_VECTOR is the main vector used for all misc
+ * IPIs, the HALT_VECTOR is used to slam the system
+ * to a screetching halt.
+ */
+#define IPI_VECTOR 0x21
+#define HALT_VECTOR 0x22
+
+/* Fixed IPI IDs */
+#define IPI_TLB 0
+
+/*
+ * Represents an interprocessor interrupt
+ * handler.
+ *
+ * @cookie: Used to verifying an instance
+ * @id: IPI ID (identifies the IPI)
+ * @mask: If set, IPIs are ignored
+ * @handler: Handler routine
+ */
+struct cpu_ipi {
+ uint16_t cookie;
+ uint8_t id;
+ int(*handler)(struct cpu_ipi *ipi);
+};
+
+int md_ipi_alloc(struct cpu_ipi **res);
+int md_ipi_send(struct cpu_info *ci, ipi_pend_t ipi);
+void md_ipi_init(void);
+
+#endif /* !_MACHINE_IPI_H_ */
diff --git a/sys/include/arch/amd64/isa/i8042var.h b/sys/include/arch/amd64/isa/i8042var.h
index 13c3095..9619920 100644
--- a/sys/include/arch/amd64/isa/i8042var.h
+++ b/sys/include/arch/amd64/isa/i8042var.h
@@ -74,6 +74,10 @@
#define I8042_LED_NUM BIT(1)
#define I8042_LED_CAPS BIT(2)
+/* Extended scancode types */
+#define I8042_XSC_ENDPR 0 /* End pressed */
+#define I8042_XSC_ENDRL 1 /* End released */
+
/* Quirks */
#define I8042_HOSTILE BIT(0) /* If EC likes throwing NMIs */
diff --git a/sys/include/arch/amd64/param.h b/sys/include/arch/amd64/param.h
new file mode 100644
index 0000000..6ea3fca
--- /dev/null
+++ b/sys/include/arch/amd64/param.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora 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 Hyra 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.
+ */
+
+#ifndef _AMD64_PARAM_H_
+#define _AMD64_PARAM_H_
+
+#define M_WORD_SIZE 8
+
+#endif /* !_AMD64_PARAM_H_ */
diff --git a/sys/include/arch/amd64/pci/pci.h b/sys/include/arch/amd64/pci/pci.h
new file mode 100644
index 0000000..189a423
--- /dev/null
+++ b/sys/include/arch/amd64/pci/pci.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora 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 Hyra 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.
+ */
+
+#ifndef _MACHINE_PCI_H_
+#define _MACHINE_PCI_H_
+
+#include <sys/types.h>
+#include <sys/cdefs.h>
+#include <dev/pci/pci.h>
+
+__weak pcireg_t md_pci_readl(struct pci_device *dev, uint32_t off);
+__weak void md_pci_writel(struct pci_device *dev, uint32_t off, pcireg_t val);
+
+#endif /* !_MACHINE_PCI_H_ */
diff --git a/sys/include/arch/amd64/tsc.h b/sys/include/arch/amd64/tsc.h
new file mode 100644
index 0000000..d9eed4f
--- /dev/null
+++ b/sys/include/arch/amd64/tsc.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora 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 Hyra 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.
+ */
+
+#ifndef _MACHINE_TSC_H_
+#define _MACHINE_TSC_H_
+
+#include <sys/types.h>
+#include <sys/cdefs.h>
+#include <sys/param.h>
+
+uint64_t rdtsc_rel(void);
+
+__always_inline static inline uint64_t
+rdtsc(void)
+{
+ uint32_t lo, hi;
+
+ __ASMV(
+ "rdtsc"
+ : "=d" (hi),
+ "=a" (lo)
+ :
+ : "memory"
+ );
+
+ return COMBINE32(hi, lo);
+}
+
+#endif /* !_MACHINE_TSC_H_ */
generated by cgit v1.2.3 (git 2.39.1) at 2025-09-15 23:53:54 +0000