X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/48b4a227035048fdebcd32532deb7a857c6199ac..f09e806d5032150564df39a2f7b1192c4d84cf15:/lunaix-os/includes/hal/cpu.h diff --git a/lunaix-os/includes/hal/cpu.h b/lunaix-os/includes/hal/cpu.h index b155d4b..694d678 100644 --- a/lunaix-os/includes/hal/cpu.h +++ b/lunaix-os/includes/hal/cpu.h @@ -1,7 +1,9 @@ #ifndef __LUNAIX_CPU_H #define __LUNAIX_CPU_H -#include +#include + +#define SEL_RPL(selector) ((selector)&0x3) typedef unsigned int reg32; typedef unsigned short reg16; @@ -20,12 +22,10 @@ typedef struct typedef struct { - reg16 ss; - reg16 es; reg16 ds; + reg16 es; reg16 fs; reg16 gs; - reg16 cs; } __attribute__((packed)) sg_reg; void @@ -39,35 +39,42 @@ cpu_has_apic(); static inline reg32 cpu_rcr0() { - uintptr_t val; - asm volatile("movl %%cr0,%0" : "=r" (val)); + ptr_t val; + asm volatile("movl %%cr0,%0" : "=r"(val)); return val; } static inline reg32 cpu_rcr2() { - uintptr_t val; - asm volatile("movl %%cr2,%0" : "=r" (val)); + ptr_t val; + asm volatile("movl %%cr2,%0" : "=r"(val)); return val; } static inline reg32 cpu_rcr3() { - uintptr_t val; - asm volatile("movl %%cr3,%0" : "=r" (val)); + ptr_t val; + asm volatile("movl %%cr3,%0" : "=r"(val)); + return val; +} + +static inline reg32 +cpu_rcr4() +{ + ptr_t val; + asm volatile("movl %%cr4,%0" : "=r"(val)); return val; } static inline reg32 cpu_reflags() { - uintptr_t val; - asm volatile( - "pushf\n" - "popl %0\n" - :"=r"(val)::); + ptr_t val; + asm volatile("pushf\n" + "popl %0\n" + : "=r"(val)::); return val; } #pragma GCC diagnostic pop @@ -91,9 +98,9 @@ cpu_lcr3(reg32 v) } static inline void -cpu_invplg(void* va) +cpu_invplg(ptr_t va) { - asm volatile("invlpg (%0)" ::"r"((uintptr_t)va) : "memory"); + asm volatile("invlpg (%0)" ::"r"(va) : "memory"); } static inline void @@ -118,10 +125,16 @@ cpu_invtlb() : "r"(interm)); } +static inline void +cpu_int(int vect) +{ + asm("int %0" ::"i"(vect)); +} + void -cpu_rdmsr(uint32_t msr_idx, uint32_t* reg_high, uint32_t* reg_low); +cpu_rdmsr(u32_t msr_idx, u32_t* reg_high, u32_t* reg_low); void -cpu_wrmsr(uint32_t msr_idx, uint32_t reg_high, uint32_t reg_low); +cpu_wrmsr(u32_t msr_idx, u32_t reg_high, u32_t reg_low); #endif \ No newline at end of file