diff options
Diffstat (limited to 'libc/kernel/arch-x86/asm/msr.h')
-rw-r--r-- | libc/kernel/arch-x86/asm/msr.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/libc/kernel/arch-x86/asm/msr.h b/libc/kernel/arch-x86/asm/msr.h new file mode 100644 index 0000000..f1da917 --- /dev/null +++ b/libc/kernel/arch-x86/asm/msr.h @@ -0,0 +1,54 @@ +/**************************************************************************** + **************************************************************************** + *** + *** This header was automatically generated from a Linux kernel header + *** of the same name, to make information necessary for userspace to + *** call into the kernel available to libc. It contains only constants, + *** structures, and macros generated from the original header, and thus, + *** contains no copyrightable information. + *** + **************************************************************************** + ****************************************************************************/ +#ifndef __ASM_X86_MSR_H_ +#define __ASM_X86_MSR_H_ + +#include <asm/msr-index.h> + +#ifndef __ASSEMBLY__ +#include <linux/types.h> +#endif + +#ifdef __i386__ + +#else + +#ifndef __ASSEMBLY__ +#include <linux/errno.h> + +#define rdmsr(msr,val1,val2) __asm__ __volatile__("rdmsr" : "=a" (val1), "=d" (val2) : "c" (msr)) + +#define rdmsrl(msr,val) do { unsigned long a__,b__; __asm__ __volatile__("rdmsr" : "=a" (a__), "=d" (b__) : "c" (msr)); val = a__ | (b__<<32); } while(0) + +#define wrmsr(msr,val1,val2) __asm__ __volatile__("wrmsr" : : "c" (msr), "a" (val1), "d" (val2)) + +#define wrmsrl(msr,val) wrmsr(msr,(__u32)((__u64)(val)),((__u64)(val))>>32) + +#define rdtsc(low,high) __asm__ __volatile__("rdtsc" : "=a" (low), "=d" (high)) + +#define rdtscl(low) __asm__ __volatile__ ("rdtsc" : "=a" (low) : : "edx") + +#define rdtscp(low,high,aux) __asm__ __volatile__ (".byte 0x0f,0x01,0xf9" : "=a" (low), "=d" (high), "=c" (aux)) + +#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) + +#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) + +#define write_tsc(val1,val2) wrmsr(0x10, val1, val2) + +#define write_rdtscp_aux(val) wrmsr(0xc0000103, val, 0) + +#define rdpmc(counter,low,high) __asm__ __volatile__("rdpmc" : "=a" (low), "=d" (high) : "c" (counter)) + +#endif +#endif +#endif |