X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-x86_64%2Fmsr.h;h=10f8b51cec8ba3e76dadcfd74a3955d7c7e350ba;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=513e52c718210ccc6047e8204ee736b41aff8f70;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git diff --git a/include/asm-x86_64/msr.h b/include/asm-x86_64/msr.h index 513e52c71..10f8b51ce 100644 --- a/include/asm-x86_64/msr.h +++ b/include/asm-x86_64/msr.h @@ -19,7 +19,7 @@ : "=a" (a__), "=d" (b__) \ : "c" (msr)); \ val = a__ | (b__<<32); \ -} while(0); +} while(0) #define wrmsr(msr,val1,val2) \ __asm__ __volatile__("wrmsr" \ @@ -29,22 +29,37 @@ #define wrmsrl(msr,val) wrmsr(msr,(__u32)((__u64)(val)),((__u64)(val))>>32) /* wrmsr with exception handling */ -#define wrmsr_safe(msr,a,b) ({ int ret__; \ - asm volatile("2: wrmsr ; xorl %0,%0\n" \ - "1:\n\t" \ - ".section .fixup,\"ax\"\n\t" \ - "3: movl %4,%0 ; jmp 1b\n\t" \ - ".previous\n\t" \ - ".section __ex_table,\"a\"\n" \ - " .align 8\n\t" \ - " .quad 2b,3b\n\t" \ - ".previous" \ - : "=a" (ret__) \ - : "c" (msr), "0" (a), "d" (b), "i" (-EFAULT));\ +#define wrmsr_safe(msr,a,b) ({ int ret__; \ + asm volatile("2: wrmsr ; xorl %0,%0\n" \ + "1:\n\t" \ + ".section .fixup,\"ax\"\n\t" \ + "3: movl %4,%0 ; jmp 1b\n\t" \ + ".previous\n\t" \ + ".section __ex_table,\"a\"\n" \ + " .align 8\n\t" \ + " .quad 2b,3b\n\t" \ + ".previous" \ + : "=a" (ret__) \ + : "c" (msr), "0" (a), "d" (b), "i" (-EFAULT)); \ ret__; }) #define checking_wrmsrl(msr,val) wrmsr_safe(msr,(u32)(val),(u32)((val)>>32)) +#define rdmsr_safe(msr,a,b) \ + ({ int ret__; \ + asm volatile ("1: rdmsr\n" \ + "2:\n" \ + ".section .fixup,\"ax\"\n" \ + "3: movl %4,%0\n" \ + " jmp 2b\n" \ + ".previous\n" \ + ".section __ex_table,\"a\"\n" \ + " .align 8\n" \ + " .quad 1b,3b\n" \ + ".previous":"=&bDS" (ret__), "=a"(*(a)), "=d"(*(b))\ + :"c"(msr), "i"(-EIO), "0"(0)); \ + ret__; }) + #define rdtsc(low,high) \ __asm__ __volatile__("rdtsc" : "=a" (low), "=d" (high)) @@ -57,11 +72,6 @@ (val) = ((unsigned long)__a) | (((unsigned long)__d)<<32); \ } while(0) -#define rdpmc(counter,low,high) \ - __asm__ __volatile__("rdpmc" \ - : "=a" (low), "=d" (high) \ - : "c" (counter)) - #define write_tsc(val1,val2) wrmsr(0x10, val1, val2) #define rdpmc(counter,low,high) \ @@ -69,7 +79,7 @@ : "=a" (low), "=d" (high) \ : "c" (counter)) -extern inline void cpuid(int op, unsigned int *eax, unsigned int *ebx, +static inline void cpuid(int op, unsigned int *eax, unsigned int *ebx, unsigned int *ecx, unsigned int *edx) { __asm__("cpuid" @@ -95,7 +105,7 @@ static inline void cpuid_count(int op, int count, int *eax, int *ebx, int *ecx, /* * CPUID functions returning a single datum */ -extern inline unsigned int cpuid_eax(unsigned int op) +static inline unsigned int cpuid_eax(unsigned int op) { unsigned int eax; @@ -105,7 +115,7 @@ extern inline unsigned int cpuid_eax(unsigned int op) : "bx", "cx", "dx"); return eax; } -extern inline unsigned int cpuid_ebx(unsigned int op) +static inline unsigned int cpuid_ebx(unsigned int op) { unsigned int eax, ebx; @@ -115,7 +125,7 @@ extern inline unsigned int cpuid_ebx(unsigned int op) : "cx", "dx" ); return ebx; } -extern inline unsigned int cpuid_ecx(unsigned int op) +static inline unsigned int cpuid_ecx(unsigned int op) { unsigned int eax, ecx; @@ -125,7 +135,7 @@ extern inline unsigned int cpuid_ecx(unsigned int op) : "bx", "dx" ); return ecx; } -extern inline unsigned int cpuid_edx(unsigned int op) +static inline unsigned int cpuid_edx(unsigned int op) { unsigned int eax, edx; @@ -223,7 +233,8 @@ extern inline unsigned int cpuid_edx(unsigned int op) #define MSR_K7_PERFCTR3 0xC0010007 #define MSR_K8_TOP_MEM1 0xC001001A #define MSR_K8_TOP_MEM2 0xC001001D -#define MSR_K8_SYSCFG 0xC0000010 +#define MSR_K8_SYSCFG 0xC0010010 +#define MSR_K8_HWCR 0xC0010015 /* K6 MSRs */ #define MSR_K6_EFER 0xC0000080