1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 **************************************************************************** 11 ****************************************************************************/ 12 #ifndef __ASM_X86_MSR_H_ 13 #define __ASM_X86_MSR_H_ 14 15 #include <asm/msr-index.h> 16 17 #ifndef __ASSEMBLY__ 18 #include <linux/types.h> 19 #endif 20 21 #ifdef __i386__ 22 23 #else 24 25 #ifndef __ASSEMBLY__ 26 #include <linux/errno.h> 27 28 #define rdmsr(msr,val1,val2) __asm__ __volatile__("rdmsr" : "=a" (val1), "=d" (val2) : "c" (msr)) 29 30 #define rdmsrl(msr,val) do { unsigned long a__,b__; __asm__ __volatile__("rdmsr" : "=a" (a__), "=d" (b__) : "c" (msr)); val = a__ | (b__<<32); } while(0) 31 32 #define wrmsr(msr,val1,val2) __asm__ __volatile__("wrmsr" : : "c" (msr), "a" (val1), "d" (val2)) 33 34 #define wrmsrl(msr,val) wrmsr(msr,(__u32)((__u64)(val)),((__u64)(val))>>32) 35 36 #define rdtsc(low,high) __asm__ __volatile__("rdtsc" : "=a" (low), "=d" (high)) 37 38 #define rdtscl(low) __asm__ __volatile__ ("rdtsc" : "=a" (low) : : "edx") 39 40 #define rdtscp(low,high,aux) __asm__ __volatile__ (".byte 0x0f,0x01,0xf9" : "=a" (low), "=d" (high), "=c" (aux)) 41 42 #define rdtscll(val) do { unsigned int __a,__d; __asm__ __volatile__("rdtsc" : "=a" (__a), "=d" (__d)); (val) = ((unsigned long)__a) | (((unsigned long)__d)<<32); } while(0) 43 44 #define rdtscpll(val, aux) do { unsigned long __a, __d; __asm__ __volatile__ (".byte 0x0f,0x01,0xf9" : "=a" (__a), "=d" (__d), "=c" (aux)); (val) = (__d << 32) | __a; } while (0) 45 46 #define write_tsc(val1,val2) wrmsr(0x10, val1, val2) 47 48 #define write_rdtscp_aux(val) wrmsr(0xc0000103, val, 0) 49 50 #define rdpmc(counter,low,high) __asm__ __volatile__("rdpmc" : "=a" (low), "=d" (high) : "c" (counter)) 51 52 #endif 53 #endif 54 #endif 55