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Diffstat (limited to 'arch/x86/boot/boot.h')
-rw-r--r--arch/x86/boot/boot.h17
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);