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x86_64 cpu: always inline asm helpers

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Matheus
2026-09-29 09:05:52 -03:00
parent 9e028dc059
commit efe699bd2f
1 changed files with 6 additions and 6 deletions
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kernel-src/include/x86-64/arch/cpu.h
+6 -6
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@@ -120,35 +120,35 @@ void arch_cpu_user_access_end(void);
bool arch_cpu_smep_enabled(void); bool arch_cpu_smep_enabled(void);
bool arch_cpu_smap_enabled(void); bool arch_cpu_smap_enabled(void);
static inline thread_t *current_thread(void) { static inline __attribute__((always_inline)) thread_t *current_thread(void) {
thread_t *thread; thread_t *thread;
asm volatile ("mov %%gs:0, %%rax" : "=a"(thread) : : "memory"); asm volatile ("mov %%gs:0, %%rax" : "=a"(thread) : : "memory");
return thread; return thread;
} }
static inline cpu_t *current_cpu(void) { static inline __attribute__((always_inline)) cpu_t *current_cpu(void) {
cpu_t *cpu; cpu_t *cpu;
asm volatile ("mov %%gs:8, %%rax" : "=a"(cpu) : : "memory"); asm volatile ("mov %%gs:8, %%rax" : "=a"(cpu) : : "memory");
return cpu; return cpu;
} }
static inline mm_context_t *current_mm_context(void) { static inline __attribute__((always_inline)) mm_context_t *current_mm_context(void) {
mm_context_t *context; mm_context_t *context;
asm volatile ("mov %%gs:16, %%rax" : "=a"(context) : : "memory"); asm volatile ("mov %%gs:16, %%rax" : "=a"(context) : : "memory");
return context; return context;
} }
static inline void set_current_mm_context(mm_context_t *context) { static inline __attribute__((always_inline)) void set_current_mm_context(mm_context_t *context) {
asm volatile ("mov %%rax, %%gs:16" : : "a"(context) : "memory"); asm volatile ("mov %%rax, %%gs:16" : : "a"(context) : "memory");
} }
static inline long current_cpu_internal_id(void) { static inline __attribute__((always_inline)) long current_cpu_internal_id(void) {
long id; long id;
asm volatile ("mov %%gs:32, %%rax" : "=a"(id) : : "memory"); asm volatile ("mov %%gs:32, %%rax" : "=a"(id) : : "memory");
return id; return id;
} }
static inline long current_cpu_id(void) { static inline __attribute__((always_inline)) long current_cpu_id(void) {
long id; long id;
asm volatile ("mov %%gs:24, %%rax" : "=a"(id) : : "memory"); asm volatile ("mov %%gs:24, %%rax" : "=a"(id) : : "memory");
return id; return id;