move arch include dir

kernel-src/include/x86-64/arch/cpu.h

@@ -0,0 +1,24 @@
+#ifndef _CPU_H
+#define _CPU_H
+
+#include <stddef.h>
+#include <stdint.h>
+
+#include <arch/msr.h>
+#include <arch/ist.h>
+
+typedef struct {
+	uint64_t gdt[7];
+	ist_t ist;
+	int lapicid;
+} cpu_t;
+
+static inline cpu_t *_cpu() {
+	return (cpu_t *)rdmsr(MSR_GSBASE);
+}
+
+static inline void cpu_set(cpu_t *ptr) {
+	wrmsr(MSR_GSBASE, (uint64_t)ptr);
+}
+
+#endif

kernel-src/include/x86-64/arch/e9.h

@@ -0,0 +1,7 @@
+#ifndef _E9_H
+#define _E9_H
+
+void arch_e9_putc(char);
+void arch_e9_puts(char *);
+
+#endif

kernel-src/include/x86-64/arch/gdt.h

@@ -0,0 +1,6 @@
+#ifndef _GDT_H
+#define _GDT_H
+
+void arch_gdt_reload();
+
+#endif

kernel-src/include/x86-64/arch/io.h

@@ -0,0 +1,27 @@
+#ifndef IO_H
+#define IO_H
+
+#include <stddef.h>
+#include <stdint.h>
+
+static inline void outd(uint16_t port, uint32_t data) {
+	asm volatile("out %%eax, %%dx" : : "a"(data), "d"(port));
+}
+
+static inline uint32_t ind(uint16_t port) {
+	uint32_t ret;
+	asm volatile("in %%dx, %%eax" : "=a"(ret) : "d"(port));
+	return ret;
+}
+
+static inline void outb(uint16_t port, uint8_t data) {
+	asm volatile("out %%al, %%dx" : : "a"(data), "d"(port));
+}
+
+static inline uint8_t inb(uint16_t port) {
+	uint8_t ret;
+	asm volatile ("in %%dx, %%al" : "=a"(ret) : "d"(port));
+	return ret;
+}
+
+#endif

kernel-src/include/x86-64/arch/ist.h

@@ -0,0 +1,21 @@
+#ifndef _IST_H
+#define _IST_H
+
+typedef struct {
+	uint32_t reserved;
+	uint64_t rsp0;
+	uint64_t rsp1;
+	uint64_t rsp2;
+	uint64_t reserved2;
+	uint64_t ist1;
+	uint64_t ist2;
+	uint64_t ist3;
+	uint64_t ist4;
+	uint64_t ist5;
+	uint64_t ist6;
+	uint64_t ist7;
+	uint32_t reserved3[3];
+	uint32_t iopb;
+} __attribute__((packed)) ist_t;
+
+#endif

kernel-src/include/x86-64/arch/msr.h

@@ -0,0 +1,27 @@
+#ifndef _MSR_H
+#define _MSR_H
+
+#include <stdint.h>
+
+#define MSR_EFER 0xC0000080
+#define MSR_STAR 0xC0000081
+#define MSR_LSTAR 0xC0000082
+#define MSR_CSTAR 0xC0000083
+#define MSR_FMASK 0xC0000084
+#define MSR_FSBASE 0xC0000100
+#define MSR_GSBASE 0xC0000101
+#define MSR_KERNELGSBASE 0xC0000102
+
+static inline uint64_t rdmsr(uint32_t which) {
+	uint64_t low,high;
+	asm volatile("rdmsr" : "=a"(low), "=d"(high) : "c"(which));
+	return (high << 32) | low;
+}
+
+static inline void wrmsr(uint32_t which, uint64_t value) {
+	uint32_t low = value & 0xFFFFFFFF;
+	uint32_t high = (value >> 32) & 0xFFFFFFFF;
+	asm volatile("wrmsr" : : "a"(low), "d"(high), "c"(which));
+}
+
+#endif