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cpu: byte ordering swapping functions

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Matheus
2024-03-29 13:37:11 -03:00
parent 87b0ff64b2
commit 91f69e184d
1 changed files with 8 additions and 0 deletions
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kernel-src/include/x86-64/arch/cpu.h
+8
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@@ -36,6 +36,14 @@ typedef struct cpu_t {
#define CPU_HALT() asm volatile("hlt") #define CPU_HALT() asm volatile("hlt")
#define CPU_PAUSE() asm volatile("pause") #define CPU_PAUSE() asm volatile("pause")
static inline uint32_t cpu_to_be_d(uint32_t d) {
return __builtin_bswap32(d);
}
static inline uint16_t cpu_to_be_w(uint16_t w) {
return __builtin_bswap16(w);
}
static inline cpu_t *_cpu() { static inline cpu_t *_cpu() {
return (cpu_t *)rdmsr(MSR_GSBASE); return (cpu_t *)rdmsr(MSR_GSBASE);
} }