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-rw-r--r--sys/include/arch/aarch64/cdefs.h40
-rw-r--r--sys/include/arch/aarch64/cpu.h48
-rw-r--r--sys/include/arch/aarch64/frame.h96
-rw-r--r--sys/include/arch/aarch64/pcb.h40
-rw-r--r--sys/include/arch/aarch64/pio.h43
-rw-r--r--sys/include/arch/aarch64/sync.h35
-rw-r--r--sys/include/arch/aarch64/syscall.h85
-rw-r--r--sys/include/arch/aarch64/vas.h45
-rw-r--r--sys/include/arch/amd64/cdefs.h10
-rw-r--r--sys/include/arch/amd64/cpu.h3
-rw-r--r--sys/include/arch/amd64/isa/i8042var.h88
-rw-r--r--sys/include/arch/amd64/isa/spkr.h37
-rw-r--r--sys/include/arch/amd64/sync.h35
-rw-r--r--sys/include/arch/amd64/syscall.h105
-rw-r--r--sys/include/dev/acpi/acpi.h1
-rw-r--r--sys/include/dev/cons/cons.h5
-rw-r--r--sys/include/dev/cons/consvar.h84
-rw-r--r--sys/include/dev/video/fbdev.h1
-rw-r--r--sys/include/sys/atomic.h34
-rw-r--r--sys/include/sys/schedvar.h2
-rw-r--r--sys/include/sys/spinlock.h7
-rw-r--r--sys/include/sys/syscall.h75
22 files changed, 842 insertions, 77 deletions
diff --git a/sys/include/arch/aarch64/cdefs.h b/sys/include/arch/aarch64/cdefs.h
new file mode 100644
index 0000000..a22c436
--- /dev/null
+++ b/sys/include/arch/aarch64/cdefs.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 _AARCH64_CDEFS_H_
+#define _AARCH64_CDEFS_H_
+
+#include <sys/cdefs.h>
+#include <machine/sync.h>
+
+#define md_pause() __ASMV("yield")
+#define md_intoff() __ASMV("msr daifset, #2")
+#define md_inton() __ASMV("msr daifclr, #2")
+
+#endif /* !_AARCH64_CDEFS_H_ */
diff --git a/sys/include/arch/aarch64/cpu.h b/sys/include/arch/aarch64/cpu.h
new file mode 100644
index 0000000..a6ccdec
--- /dev/null
+++ b/sys/include/arch/aarch64/cpu.h
@@ -0,0 +1,48 @@
+/*
+ * 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_CPU_H_
+#define _MACHINE_CPU_H_
+
+#include <sys/types.h>
+#include <sys/cdefs.h>
+#include <sys/proc.h>
+
+struct cpu_info {
+ struct proc *curtd;
+ struct cpu_info *self;
+};
+
+void cpu_startup(struct cpu_info *ci);
+void mp_bootstrap_aps(struct cpu_info *ci);
+struct cpu_info *this_cpu(void);
+
+extern struct cpu_info g_bsp_ci;
+
+#endif /* !_MACHINE_CPU_H_ */
diff --git a/sys/include/arch/aarch64/frame.h b/sys/include/arch/aarch64/frame.h
new file mode 100644
index 0000000..ec11533
--- /dev/null
+++ b/sys/include/arch/aarch64/frame.h
@@ -0,0 +1,96 @@
+/*
+ * 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_FRAME_H_
+#define _MACHINE_FRAME_H_
+
+#include <sys/types.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;
+};
+
+/* Stack regs */
+struct sregs {
+ lreg_t sp_el0;
+ lreg_t sp_el1;
+ lreg_t sp_el2;
+};
+
+/* Program status */
+struct pstat {
+ lreg_t spsr_el1;
+ lreg_t spsr_el2;
+ 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;
+};
+
+#endif /* !_MACHINE_FRAME_H_ */
diff --git a/sys/include/arch/aarch64/pcb.h b/sys/include/arch/aarch64/pcb.h
new file mode 100644
index 0000000..f9a0b1a
--- /dev/null
+++ b/sys/include/arch/aarch64/pcb.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_PCB_H_
+#define _MACHINE_PCB_H_
+
+#include <sys/types.h>
+#include <vm/pmap.h>
+
+struct pcb {
+ struct vas addrsp;
+};
+
+#endif /* !_MACHINE_PCB_H_ */
diff --git a/sys/include/arch/aarch64/pio.h b/sys/include/arch/aarch64/pio.h
new file mode 100644
index 0000000..4aaeece
--- /dev/null
+++ b/sys/include/arch/aarch64/pio.h
@@ -0,0 +1,43 @@
+/*
+ * 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_PIO_H_
+#define _MACHINE_PIO_H_
+
+#include <sys/cdefs.h>
+
+#define inb(...) (uint8_t)0
+#define inw(...) (uint16_t)0
+#define inl(...) (uint32_t)0
+#define outb(...) __nothing
+#define outw(...) __nothing
+#define outl(...) __nothing
+
+
+#endif /* _MACHINE_PIO_H_ */
diff --git a/sys/include/arch/aarch64/sync.h b/sys/include/arch/aarch64/sync.h
new file mode 100644
index 0000000..f331f43
--- /dev/null
+++ b/sys/include/arch/aarch64/sync.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 _MACHINE_SYNC_H_
+#define _MACHINE_SYNC_H_
+
+int md_sync_all(void);
+
+#endif /* !_MACHINE_SYNC_H_ */
diff --git a/sys/include/arch/aarch64/syscall.h b/sys/include/arch/aarch64/syscall.h
new file mode 100644
index 0000000..84a51e0
--- /dev/null
+++ b/sys/include/arch/aarch64/syscall.h
@@ -0,0 +1,85 @@
+/*
+ * 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_SYSCALL_H_
+#define _MACHINE_SYSCALL_H_
+
+#if !defined(__ASSEMBLER__)
+__always_inline static inline long
+syscall0(uint64_t code)
+{
+ return 0;
+}
+
+__always_inline static inline long
+syscall1(uint64_t code, uint64_t arg0)
+{
+ return 0;
+}
+
+__always_inline static long inline
+syscall2(uint64_t code, uint64_t arg0, uint64_t arg1)
+{
+ return 0;
+}
+
+__always_inline static inline long
+syscall3(uint64_t code, uint64_t arg0, uint64_t arg1, uint64_t arg2)
+{
+ return 0;
+}
+
+__always_inline static inline long
+syscall4(uint64_t code, uint64_t arg0, uint64_t arg1, uint64_t arg2, uint64_t arg3)
+{
+ return 0;
+}
+
+__always_inline static inline long
+syscall5(uint64_t code, uint64_t arg0, uint64_t arg1, uint64_t arg2, uint64_t arg3, uint64_t arg4)
+{
+ return 0;
+}
+
+__always_inline static inline long
+syscall6(uint64_t code, uint64_t arg0, uint64_t arg1, uint64_t arg2, uint64_t arg3, uint64_t arg4, uint64_t arg5)
+{
+ return 0;
+}
+
+#define _SYSCALL_N(a0, a1, a2, a3, a4, a5, a6, name, ...) \
+ name
+
+#define syscall(...) \
+_SYSCALL_N(__VA_ARGS__, syscall6, syscall5, \
+ syscall4, syscall3, syscall2, syscall1, \
+ syscall0)(__VA_ARGS__)
+
+#endif /* !__ASSEMBLER__ */
+#endif /* !_MACHINE_SYSCALL_H_ */
diff --git a/sys/include/arch/aarch64/vas.h b/sys/include/arch/aarch64/vas.h
new file mode 100644
index 0000000..07cd576
--- /dev/null
+++ b/sys/include/arch/aarch64/vas.h
@@ -0,0 +1,45 @@
+/*
+ * 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_VAS_H_
+#define _MACHINE_VAS_H_
+
+#include <sys/types.h>
+#include <sys/spinlock.h>
+
+/*
+ * VAS structure - describes a virtual address space
+ */
+struct vas {
+ paddr_t ttbr0_el1; /* Lower half */
+ paddr_t ttbr1_el1; /* Higher half */
+ struct spinlock *lock;
+};
+
+#endif /* !_MACHINE_VAS_H_ */
diff --git a/sys/include/arch/amd64/cdefs.h b/sys/include/arch/amd64/cdefs.h
index 98d3f0b..256fd8b 100644
--- a/sys/include/arch/amd64/cdefs.h
+++ b/sys/include/arch/amd64/cdefs.h
@@ -31,7 +31,15 @@
#define _AMD64_CDEFS_H_
#include <sys/cdefs.h>
+#include <machine/sync.h>
-#define md_pause() __ASMV("rep; nop")
+/*
+ * Please use CLI wisely, it is a good idea to use
+ * md_sync_all() after using STI to ensure stable
+ * system operation.
+ */
+#define md_pause() __ASMV("rep; nop") /* (F3 90) PAUSE */
+#define md_intoff() __ASMV("cli") /* Clear interrupts */
+#define md_inton() __ASMV("sti") /* Enable interrupts */
#endif /* !_AMD64_CDEFS_H_ */
diff --git a/sys/include/arch/amd64/cpu.h b/sys/include/arch/amd64/cpu.h
index 716f44a..ce42416 100644
--- a/sys/include/arch/amd64/cpu.h
+++ b/sys/include/arch/amd64/cpu.h
@@ -35,11 +35,14 @@
#include <sys/proc.h>
#include <machine/tss.h>
+#define CPU_IRQ(IRQ_N) (BIT((IRQ_N)) & 0xFF)
+
struct cpu_info {
uint32_t apicid;
uint8_t has_x2apic : 1;
uint8_t ipl;
size_t lapic_tmr_freq;
+ uint8_t irq_mask;
struct tss_entry *tss;
struct proc *curtd;
struct cpu_info *self;
diff --git a/sys/include/arch/amd64/isa/i8042var.h b/sys/include/arch/amd64/isa/i8042var.h
new file mode 100644
index 0000000..ebd96ad
--- /dev/null
+++ b/sys/include/arch/amd64/isa/i8042var.h
@@ -0,0 +1,88 @@
+/*
+ * 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 _I8042VAR_H_
+#define _I8042VAR_H_
+
+#include <sys/param.h>
+
+/* I/O bus ports */
+#define I8042_CMD 0x64
+#define I8042_DATA 0x60
+#define I8042_STATUS 0x64
+
+#define KB_IRQ 1 /* Keyboard IRQ */
+#define I8042_DELAY 20 /* Poll delay (in ms) */
+
+/* i8042 status */
+#define I8042_OBUFF BIT(0) /* Output buffer full */
+#define I8042_IBUFF BIT(1) /* Input buffer full */
+#define I8042_TTO BIT(5) /* Transmit timeout */
+#define I8042_RTO BIT(6) /* Receive timeout */
+#define I8042_PAR BIT(7) /* Parity error */
+
+/* i8042 commands */
+#define I8042_SELF_TEST 0xAA
+#define I8042_DISABLE_PORT0 0xAD
+#define I8042_DISABLE_PORT1 0xA7
+#define I8042_ENABLE_PORT0 0xAE
+#define I8042_ENABLE_PORT1 0xA8
+#define I8042_GET_CONFB 0x20
+#define I8042_SET_CONFB 0x60
+#define I8042_PORT1_SEND 0xD4
+
+/* i8042 config bits */
+#define I8042_PORT0_INTR BIT(0)
+#define I8042_PORT1_INTR BIT(1)
+#define I8042_PORT0_CLK BIT(4)
+#define I8042_PORT1_CLK BIT(5)
+
+/* Aux commands */
+#define I8042_AUX_DEFAULTS 0xF5
+#define I8042_AUX_ENABLE 0xF4
+#define I8042_AUX_DISABLE 0xF5
+#define I8042_AUX_RESET 0xFF
+
+/* LED bits */
+#define I8042_LED_SCROLL BIT(0)
+#define I8042_LED_NUM BIT(1)
+#define I8042_LED_CAPS BIT(2)
+
+/* Quirks */
+#define I8042_HOSTILE BIT(0) /* If EC likes throwing NMIs */
+
+/* Apply a quirk to i8042 */
+void i8042_quirk(int mask);
+
+/* Internal - do not use */
+void i8042_sync(void);
+void i8042_kb_isr(void);
+void i8042_kb_event(void);
+
+#endif /* _I8042VAR_H_ */
diff --git a/sys/include/arch/amd64/isa/spkr.h b/sys/include/arch/amd64/isa/spkr.h
new file mode 100644
index 0000000..2691721
--- /dev/null
+++ b/sys/include/arch/amd64/isa/spkr.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2023-2024 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 _ISA_SPKR_H_
+#define _ISA_SPKR_H_
+
+#include <sys/types.h>
+
+int pcspkr_tone(uint16_t freq, uint32_t msec);
+
+#endif
diff --git a/sys/include/arch/amd64/sync.h b/sys/include/arch/amd64/sync.h
new file mode 100644
index 0000000..f331f43
--- /dev/null
+++ b/sys/include/arch/amd64/sync.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 _MACHINE_SYNC_H_
+#define _MACHINE_SYNC_H_
+
+int md_sync_all(void);
+
+#endif /* !_MACHINE_SYNC_H_ */
diff --git a/sys/include/arch/amd64/syscall.h b/sys/include/arch/amd64/syscall.h
new file mode 100644
index 0000000..cc401e9
--- /dev/null
+++ b/sys/include/arch/amd64/syscall.h
@@ -0,0 +1,105 @@
+/*
+ * 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_SYSCALL_H_
+#define _MACHINE_SYSCALL_H_
+
+#if !defined(__ASSEMBLER__)
+__always_inline static inline long
+syscall0(uint64_t code)
+{
+ volatile long ret;
+ __ASMV("int $0x80" : "=a"(ret) : "a"(code));
+ return ret;
+}
+
+__always_inline static inline long
+syscall1(uint64_t code, uint64_t arg0)
+{
+ volatile long ret;
+ __ASMV("int $0x80" : "=a"(ret) : "a"(code), "D"(arg0) : "memory");
+ return ret;
+}
+
+__always_inline static long inline
+syscall2(uint64_t code, uint64_t arg0, uint64_t arg1)
+{
+ volatile long ret;
+ __ASMV("int $0x80" : "=a"(ret) : "a"(code), "D"(arg0), "S"(arg1) : "memory");
+ return ret;
+}
+
+__always_inline static inline long
+syscall3(uint64_t code, uint64_t arg0, uint64_t arg1, uint64_t arg2)
+{
+ volatile long ret;
+ __ASMV("int $0x80" : "=a"(ret) : "a"(code), "D"(arg0), "S"(arg1), "d"(arg2) : "memory");
+ return ret;
+}
+
+__always_inline static inline long
+syscall4(uint64_t code, uint64_t arg0, uint64_t arg1, uint64_t arg2, uint64_t arg3)
+{
+ volatile long ret;
+ register uint64_t _arg3 asm("r10") = arg3;
+ __ASMV("int $0x80" : "=a"(ret) : "a"(code), "D"(arg0), "S"(arg1), "d"(arg2), "r"(_arg3) : "memory");
+ return ret;
+}
+
+__always_inline static inline long
+syscall5(uint64_t code, uint64_t arg0, uint64_t arg1, uint64_t arg2, uint64_t arg3, uint64_t arg4)
+{
+ volatile long ret;
+ register uint64_t _arg3 asm("r10") = arg3;
+ register uint64_t _arg4 asm("r9") = arg4;
+ __ASMV("int $0x80" : "=a"(ret) : "a"(code), "D"(arg0), "S"(arg1), "d"(arg2), "r"(_arg3), "r"(_arg4) : "memory");
+ return ret;
+}
+
+__always_inline static inline long
+syscall6(uint64_t code, uint64_t arg0, uint64_t arg1, uint64_t arg2, uint64_t arg3, uint64_t arg4, uint64_t arg5)
+{
+ volatile long ret;
+ register uint64_t _arg3 asm("r10") = arg3;
+ register uint64_t _arg4 asm("r9") = arg4;
+ register uint64_t _arg5 asm("r8") = arg5;
+ __ASMV("int $0x80" : "=a"(ret) : "a"(code), "D"(arg0), "S"(arg1), "d"(arg2), "r"(_arg3), "r"(_arg4), "r"(_arg5) : "memory");
+ return ret;
+}
+
+#define _SYSCALL_N(a0, a1, a2, a3, a4, a5, a6, name, ...) \
+ name
+
+#define syscall(...) \
+_SYSCALL_N(__VA_ARGS__, syscall6, syscall5, \
+ syscall4, syscall3, syscall2, syscall1, \
+ syscall0)(__VA_ARGS__)
+
+#endif /* !__ASSEMBLER__ */
+#endif /* !_MACHINE_SYSCALL_H_ */
diff --git a/sys/include/dev/acpi/acpi.h b/sys/include/dev/acpi/acpi.h
index 3e04d5d..9cd6b87 100644
--- a/sys/include/dev/acpi/acpi.h
+++ b/sys/include/dev/acpi/acpi.h
@@ -30,6 +30,7 @@
#ifndef _ACPI_H_
#define _ACPI_H_
+const char *acpi_oemid(void);
void *acpi_query(const char *query);
void acpi_init(void);
diff --git a/sys/include/dev/cons/cons.h b/sys/include/dev/cons/cons.h
index 8e2c2c6..3569c52 100644
--- a/sys/include/dev/cons/cons.h
+++ b/sys/include/dev/cons/cons.h
@@ -33,11 +33,14 @@
#include <sys/types.h>
#include <sys/spinlock.h>
#include <dev/video/fbdev.h>
+#include <dev/cons/consvar.h>
struct cons_char {
char c;
uint32_t fg;
uint32_t bg;
+ uint32_t x;
+ uint32_t y;
};
struct cons_screen {
@@ -53,6 +56,8 @@ struct cons_screen {
uint32_t ch_row; /* Current row */
uint32_t curs_col; /* Cursor col */
uint32_t curs_row; /* Cursor row */
+ struct cons_buf *ib; /* Input buffer */
+ struct cons_buf **ob; /* Output buffers */
struct cons_char last_chr;
struct spinlock lock;
};
diff --git a/sys/include/dev/cons/consvar.h b/sys/include/dev/cons/consvar.h
new file mode 100644
index 0000000..483d5f1
--- /dev/null
+++ b/sys/include/dev/cons/consvar.h
@@ -0,0 +1,84 @@
+/*
+ * 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 _DEV_CONSVAR_H_
+#define _DEV_CONSVAR_H_
+
+#include <sys/types.h>
+#include <sys/param.h>
+
+/* Buffer types */
+#define CONS_BUF_INPUT 0
+#define CONS_BUF_OUTPUT 1
+
+/* Buffer flags */
+#define CONS_BUF_CLEAN BIT(0) /* Not recently written to */
+
+extern struct cons_screen scr;
+
+/*
+ * The keyboard packet is two bytes
+ * and the bits are as follows:
+ *
+ * - 0:7 ~ ASCII character
+ * - 8:15 ~ Scancode
+ */
+struct cons_input {
+ union {
+ uint8_t chr;
+ uint8_t scancode;
+ };
+ uint16_t data;
+};
+
+/*
+ * A circular buffer for buffering
+ * keyboard input or console output.
+ */
+struct cons_buf {
+ union {
+ struct cons_input *ibuf;
+ struct cons_char *obuf;
+ void *raw;
+ };
+ uint8_t tail;
+ uint8_t head;
+ uint8_t type;
+ uint8_t flags;
+ size_t len;
+};
+
+struct cons_buf *cons_new_buf(uint8_t type, size_t len);
+int cons_obuf_push(struct cons_buf *bp, struct cons_char c);
+int cons_obuf_pop(struct cons_buf *bp, struct cons_char *res);
+
+int cons_ibuf_push(struct cons_screen *scr, struct cons_input input);
+int cons_ibuf_pop(struct cons_screen *scr, struct cons_input *res);
+
+#endif /* !_DEV_CONSVAR_H_ */
diff --git a/sys/include/dev/video/fbdev.h b/sys/include/dev/video/fbdev.h
index d23fcd6..c80fd92 100644
--- a/sys/include/dev/video/fbdev.h
+++ b/sys/include/dev/video/fbdev.h
@@ -38,6 +38,7 @@ struct fbdev {
uint32_t width;
uint32_t height;
uint32_t pitch;
+ uint32_t bpp;
};
/*
diff --git a/sys/include/sys/atomic.h b/sys/include/sys/atomic.h
index 1cc0e1c..f61bf62 100644
--- a/sys/include/sys/atomic.h
+++ b/sys/include/sys/atomic.h
@@ -54,12 +54,44 @@ atomic_sub_int_nv(volatile unsigned int *p, unsigned int v)
return __sync_sub_and_fetch(p, v);
}
+static inline unsigned int
+atomic_load_int_nv(volatile unsigned int *p, unsigned int v)
+{
+ return __atomic_load_n(p, v);
+}
+
+static inline unsigned int
+atomic_load_long_nv(volatile unsigned long *p, unsigned int v)
+{
+ return __atomic_load_n(p, v);
+}
+
+static inline void
+atomic_store_int_nv(volatile unsigned int *p, int nv, unsigned int v)
+{
+ __atomic_store_n(p, nv, v);
+}
+
+static inline void
+atomic_store_long_nv(volatile unsigned long *p, long nv, unsigned int v)
+{
+ __atomic_store_n(p, nv, v);
+}
+
/* Atomic increment (and fetch) operations */
-#define atoimc_inc_long(P) atomic_add_long_nv((P), 1)
+#define atomic_inc_long(P) atomic_add_long_nv((P), 1)
#define atomic_inc_int(P) atomic_add_int_nv((P), 1)
/* Atomic decrement (and fetch) operations */
#define atomic_dec_long(P) atomic_sub_long_nv((P), 1)
#define atomic_dec_int(P) atomic_sub_int_nv((P), 1)
+/* Atomic load operations */
+#define atomic_load_int(P) atomic_load_int_nv((P), __ATOMIC_SEQ_CST)
+#define atomic_load_long(P) atomic_load_long_nv((P), __ATOMIC_SEQ_CST)
+
+/* Atomic store operations */
+#define atomic_store_int(P, NV) atomic_store_int_nv((P), (NV), __ATOMIC_SEQ_CST)
+#define atomic_store_long(P, NV) atomic_store_long_nv((P), (NV), __ATOMIC_SEQ_CST)
+
#endif /* !_SYS_ATOMIC_H_ */
diff --git a/sys/include/sys/schedvar.h b/sys/include/sys/schedvar.h
index cafc9ab..509e2c9 100644
--- a/sys/include/sys/schedvar.h
+++ b/sys/include/sys/schedvar.h
@@ -36,7 +36,7 @@
#include <machine/cdefs.h>
#if defined(_KERNEL)
-#define DEFAULT_TIMESLICE_USEC 1050
+#define DEFAULT_TIMESLICE_USEC 500
#define SHORT_TIMESLICE_USEC 10
#define SCHED_POLICY_MLFQ 0x00U /* Multilevel feedback queue */
diff --git a/sys/include/sys/spinlock.h b/sys/include/sys/spinlock.h
index c136e05..140addc 100644
--- a/sys/include/sys/spinlock.h
+++ b/sys/include/sys/spinlock.h
@@ -33,15 +33,20 @@
#include <sys/types.h>
struct spinlock {
- volatile bool lock;
+ volatile int lock;
};
#if defined(_KERNEL)
void spinlock_acquire(struct spinlock *lock);
void spinlock_release(struct spinlock *lock);
+
+int spinlock_try_acquire(struct spinlock *lock);
int spinlock_usleep(struct spinlock *lock, size_t usec_max);
+/* System-wide locking (be careful!!) */
+int syslock(void);
+void sysrel(void);
#endif
#endif /* !_SYS_SPINLOCK_H_ */
diff --git a/sys/include/sys/syscall.h b/sys/include/sys/syscall.h
index 41d1e78..3f3a8b3 100644
--- a/sys/include/sys/syscall.h
+++ b/sys/include/sys/syscall.h
@@ -33,7 +33,8 @@
#if !defined(__ASSEMBLER__)
#include <sys/types.h>
#include <sys/cdefs.h>
-#endif /* !__ASSEMBLER__ */
+#include <machine/syscall.h>
+#endif
#define SYS_none 0
#define SYS_exit 1
@@ -64,76 +65,4 @@ extern const size_t MAX_SYSCALLS;
extern scret_t(*g_sctab[])(struct syscall_args *);
#endif /* _KERNEL */
-#if !defined(__ASSEMBLER__)
-__always_inline static inline long
-syscall0(uint64_t code)
-{
- volatile long ret;
- __ASMV("int $0x80" : "=a"(ret) : "a"(code));
- return ret;
-}
-
-__always_inline static inline long
-syscall1(uint64_t code, uint64_t arg0)
-{
- volatile long ret;
- __ASMV("int $0x80" : "=a"(ret) : "a"(code), "D"(arg0) : "memory");
- return ret;
-}
-
-__always_inline static long inline
-syscall2(uint64_t code, uint64_t arg0, uint64_t arg1)
-{
- volatile long ret;
- __ASMV("int $0x80" : "=a"(ret) : "a"(code), "D"(arg0), "S"(arg1) : "memory");
- return ret;
-}
-
-__always_inline static inline long
-syscall3(uint64_t code, uint64_t arg0, uint64_t arg1, uint64_t arg2)
-{
- volatile long ret;
- __ASMV("int $0x80" : "=a"(ret) : "a"(code), "D"(arg0), "S"(arg1), "d"(arg2) : "memory");
- return ret;
-}
-
-__always_inline static inline long
-syscall4(uint64_t code, uint64_t arg0, uint64_t arg1, uint64_t arg2, uint64_t arg3)
-{
- volatile long ret;
- register uint64_t _arg3 asm("r10") = arg3;
- __ASMV("int $0x80" : "=a"(ret) : "a"(code), "D"(arg0), "S"(arg1), "d"(arg2), "r"(_arg3) : "memory");
- return ret;
-}
-
-__always_inline static inline long
-syscall5(uint64_t code, uint64_t arg0, uint64_t arg1, uint64_t arg2, uint64_t arg3, uint64_t arg4)
-{
- volatile long ret;
- register uint64_t _arg3 asm("r10") = arg3;
- register uint64_t _arg4 asm("r9") = arg4;
- __ASMV("int $0x80" : "=a"(ret) : "a"(code), "D"(arg0), "S"(arg1), "d"(arg2), "r"(_arg3), "r"(_arg4) : "memory");
- return ret;
-}
-
-__always_inline static inline long
-syscall6(uint64_t code, uint64_t arg0, uint64_t arg1, uint64_t arg2, uint64_t arg3, uint64_t arg4, uint64_t arg5)
-{
- volatile long ret;
- register uint64_t _arg3 asm("r10") = arg3;
- register uint64_t _arg4 asm("r9") = arg4;
- register uint64_t _arg5 asm("r8") = arg5;
- __ASMV("int $0x80" : "=a"(ret) : "a"(code), "D"(arg0), "S"(arg1), "d"(arg2), "r"(_arg3), "r"(_arg4), "r"(_arg5) : "memory");
- return ret;
-}
-
-#define _SYSCALL_N(a0, a1, a2, a3, a4, a5, a6, name, ...) \
- name
-
-#define syscall(...) \
-_SYSCALL_N(__VA_ARGS__, syscall6, syscall5, \
- syscall4, syscall3, syscall2, syscall1, \
- syscall0)(__VA_ARGS__)
-
-#endif /* !__ASSEMBLER__ */
#endif /* _SYS_SYSCALL_H_ */