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| author | Glauber de Oliveira Costa <gcosta@redhat.com> | 2008-01-30 13:31:03 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:31:03 +0100 |
| commit | c758ecf62ad94ddfeb4e7d8a5498bdcb2e3c85db (patch) | |
| tree | 6a7b8b629bbe935c78cf3933b0cfe25253c563a9 /include/asm-x86/msr.h | |
| parent | 4e87173eacfd0d798aeeba14026893797826bc93 (diff) | |
| download | linux-3.10-c758ecf62ad94ddfeb4e7d8a5498bdcb2e3c85db.tar.gz linux-3.10-c758ecf62ad94ddfeb4e7d8a5498bdcb2e3c85db.tar.bz2 linux-3.10-c758ecf62ad94ddfeb4e7d8a5498bdcb2e3c85db.zip | |
x86: unify cpuid functions
cpuid is not very different between i386 and x86_64.
We move away the x86_64 version from msr.h, and
unify them at processor.h, where they belong.
cpuid() paravirt then comes for free.
Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86/msr.h')
| -rw-r--r-- | include/asm-x86/msr.h | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/include/asm-x86/msr.h b/include/asm-x86/msr.h index 5c95d0be113..0648b2d57a3 100644 --- a/include/asm-x86/msr.h +++ b/include/asm-x86/msr.h @@ -203,73 +203,6 @@ static inline int wrmsr_safe(u32 __msr, u32 __low, u32 __high) : "c" (counter)) -static inline void cpuid(int op, unsigned int *eax, unsigned int *ebx, - unsigned int *ecx, unsigned int *edx) -{ - __asm__("cpuid" - : "=a" (*eax), - "=b" (*ebx), - "=c" (*ecx), - "=d" (*edx) - : "0" (op)); -} - -/* Some CPUID calls want 'count' to be placed in ecx */ -static inline void cpuid_count(int op, int count, int *eax, int *ebx, int *ecx, - int *edx) -{ - __asm__("cpuid" - : "=a" (*eax), - "=b" (*ebx), - "=c" (*ecx), - "=d" (*edx) - : "0" (op), "c" (count)); -} - -/* - * CPUID functions returning a single datum - */ -static inline unsigned int cpuid_eax(unsigned int op) -{ - unsigned int eax; - - __asm__("cpuid" - : "=a" (eax) - : "0" (op) - : "bx", "cx", "dx"); - return eax; -} -static inline unsigned int cpuid_ebx(unsigned int op) -{ - unsigned int eax, ebx; - - __asm__("cpuid" - : "=a" (eax), "=b" (ebx) - : "0" (op) - : "cx", "dx" ); - return ebx; -} -static inline unsigned int cpuid_ecx(unsigned int op) -{ - unsigned int eax, ecx; - - __asm__("cpuid" - : "=a" (eax), "=c" (ecx) - : "0" (op) - : "bx", "dx" ); - return ecx; -} -static inline unsigned int cpuid_edx(unsigned int op) -{ - unsigned int eax, edx; - - __asm__("cpuid" - : "=a" (eax), "=d" (edx) - : "0" (op) - : "bx", "cx"); - return edx; -} - #ifdef __KERNEL__ /* wrmsr with exception handling */ |