summaryrefslogtreecommitdiff
path: root/sys/include/arch/amd64
diff options
context:
space:
mode:
Diffstat (limited to 'sys/include/arch/amd64')
-rw-r--r--sys/include/arch/amd64/cdefs.h45
-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
6 files changed, 313 insertions, 0 deletions
diff --git a/sys/include/arch/amd64/cdefs.h b/sys/include/arch/amd64/cdefs.h
new file mode 100644
index 0000000..256fd8b
--- /dev/null
+++ b/sys/include/arch/amd64/cdefs.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 _AMD64_CDEFS_H_
+#define _AMD64_CDEFS_H_
+
+#include <sys/cdefs.h>
+#include <machine/sync.h>
+
+/*
+ * 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_ */