diff options
Diffstat (limited to 'arch/x86/boot/boot.h')
| -rw-r--r-- | arch/x86/boot/boot.h | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/arch/x86/boot/boot.h b/arch/x86/boot/boot.h index d2b5adf4651..7822a4983da 100644 --- a/arch/x86/boot/boot.h +++ b/arch/x86/boot/boot.h @@ -109,7 +109,7 @@ typedef unsigned int addr_t; static inline u8 rdfs8(addr_t addr) { u8 v; - asm volatile("movb %%fs:%1,%0" : "=r" (v) : "m" (*(u8 *)addr)); + asm volatile("movb %%fs:%1,%0" : "=q" (v) : "m" (*(u8 *)addr)); return v; } static inline u16 rdfs16(addr_t addr) @@ -127,21 +127,21 @@ static inline u32 rdfs32(addr_t addr) static inline void wrfs8(u8 v, addr_t addr) { - asm volatile("movb %1,%%fs:%0" : "+m" (*(u8 *)addr) : "r" (v)); + asm volatile("movb %1,%%fs:%0" : "+m" (*(u8 *)addr) : "qi" (v)); } static inline void wrfs16(u16 v, addr_t addr) { - asm volatile("movw %1,%%fs:%0" : "+m" (*(u16 *)addr) : "r" (v)); + asm volatile("movw %1,%%fs:%0" : "+m" (*(u16 *)addr) : "ri" (v)); } static inline void wrfs32(u32 v, addr_t addr) { - asm volatile("movl %1,%%fs:%0" : "+m" (*(u32 *)addr) : "r" (v)); + asm volatile("movl %1,%%fs:%0" : "+m" (*(u32 *)addr) : "ri" (v)); } static inline u8 rdgs8(addr_t addr) { u8 v; - asm volatile("movb %%gs:%1,%0" : "=r" (v) : "m" (*(u8 *)addr)); + asm volatile("movb %%gs:%1,%0" : "=q" (v) : "m" (*(u8 *)addr)); return v; } static inline u16 rdgs16(addr_t addr) @@ -159,15 +159,15 @@ static inline u32 rdgs32(addr_t addr) static inline void wrgs8(u8 v, addr_t addr) { - asm volatile("movb %1,%%gs:%0" : "+m" (*(u8 *)addr) : "r" (v)); + asm volatile("movb %1,%%gs:%0" : "+m" (*(u8 *)addr) : "qi" (v)); } static inline void wrgs16(u16 v, addr_t addr) { - asm volatile("movw %1,%%gs:%0" : "+m" (*(u16 *)addr) : "r" (v)); + asm volatile("movw %1,%%gs:%0" : "+m" (*(u16 *)addr) : "ri" (v)); } static inline void wrgs32(u32 v, addr_t addr) { - asm volatile("movl %1,%%gs:%0" : "+m" (*(u32 *)addr) : "r" (v)); + asm volatile("movl %1,%%gs:%0" : "+m" (*(u32 *)addr) : "ri" (v)); } /* Note: these only return true/false, not a signed return value! */ @@ -241,6 +241,7 @@ int query_apm_bios(void); /* cmdline.c */ int cmdline_find_option(const char *option, char *buffer, int bufsize); +int cmdline_find_option_bool(const char *option); /* cpu.c, cpucheck.c */ int check_cpu(int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr); |