+++ /dev/null
-#include <arch/i386/vectors.h>
-#include <cpuid.h>
-#include <hal/cpu.h>
-#include <lunaix/types.h>
-
-#define BRAND_LEAF 0x80000000UL
-
-void
-cpu_get_model(char* model_out)
-{
- u32_t* out = (u32_t*)model_out;
- u32_t eax = 0, ebx = 0, edx = 0, ecx = 0;
-
- __get_cpuid(0, &eax, &ebx, &ecx, &edx);
-
- out[0] = ebx;
- out[1] = edx;
- out[2] = ecx;
- model_out[12] = '\0';
-}
-
-int
-cpu_brand_string_supported()
-{
- u32_t supported = __get_cpuid_max(BRAND_LEAF, 0);
- return (supported >= 0x80000004UL);
-}
-
-void
-cpu_get_id(char* id_out)
-{
- if (!cpu_brand_string_supported()) {
- id_out[0] = '?';
- id_out[1] = '\0';
- }
- u32_t* out = (u32_t*)id_out;
- u32_t eax = 0, ebx = 0, edx = 0, ecx = 0;
- for (u32_t i = 2, j = 0; i < 5; i++) {
- __get_cpuid(BRAND_LEAF + i, &eax, &ebx, &ecx, &edx);
- out[j] = eax;
- out[j + 1] = ebx;
- out[j + 2] = ecx;
- out[j + 3] = edx;
- j += 4;
- }
- id_out[48] = '\0';
-}
-
-u32_t
-cpu_ldstate()
-{
- ptr_t val;
- asm volatile("pushf\n"
- "popl %0\n"
- : "=r"(val)::);
- return val;
-}
-
-u32_t
-cpu_ldconfig()
-{
- ptr_t val;
- asm volatile("movl %%cr0,%0" : "=r"(val));
- return val;
-}
-
-void
-cpu_chconfig(u32_t val)
-{
- asm("mov %0, %%cr0" ::"r"(val));
-}
-
-u32_t
-cpu_ldvmspace()
-{
- ptr_t val;
- asm volatile("movl %%cr3,%0" : "=r"(val));
- return val;
-}
-
-void
-cpu_chvmspace(u32_t val)
-{
- asm("mov %0, %%cr3" ::"r"(val));
-}
-
-void
-cpu_flush_page(ptr_t va)
-{
- asm volatile("invlpg (%0)" ::"r"(va) : "memory");
-}
-
-void
-cpu_flush_vmspace()
-{
- asm("movl %%cr3, %%eax\n"
- "movl %%eax, %%cr3" ::
- : "eax");
-}
-
-void
-cpu_enable_interrupt()
-{
- asm volatile("sti");
-}
-
-void
-cpu_disable_interrupt()
-{
- asm volatile("cli");
-}
-
-void
-cpu_trap_sched()
-{
- asm("int %0" ::"i"(LUNAIX_SCHED));
-}
-
-void
-cpu_trap_panic(char* message)
-{
- asm("int %0" ::"i"(LUNAIX_SYS_PANIC), "D"(message));
-}
-
-void
-cpu_wait()
-{
- asm("hlt");
-}
-
-ptr_t
-cpu_ldeaddr()
-{
- ptr_t val;
- asm volatile("movl %%cr2,%0" : "=r"(val));
- return val;
-}
-
-void
-cpu_rdmsr(u32_t msr_idx, u32_t* reg_high, u32_t* reg_low)
-{
- u32_t h = 0, l = 0;
- asm volatile("rdmsr" : "=d"(h), "=a"(l) : "c"(msr_idx));
-
- *reg_high = h;
- *reg_low = l;
-}
-
-void
-cpu_wrmsr(u32_t msr_idx, u32_t reg_high, u32_t reg_low)
-{
- asm volatile("wrmsr" : : "d"(reg_high), "a"(reg_low), "c"(msr_idx));
-}
\ No newline at end of file