fio: support modulus for the arithmetic parser

[fio.git] / arch / arch-x86.h

diff --git a/arch/arch-x86.h b/arch/arch-x86.h
index 69cf60b3de5f772c566d88a3cb0dfa9ba0b55d5e..385a9124ec5ee9ef416201ba6d730b6d3aafd7e1 100644 (file)
--- a/arch/arch-x86.h
+++ b/arch/arch-x86.h
@@ -1,6 +1,15 @@
 #ifndef ARCH_X86_H
 #define ARCH_X86_H
 
+static inline void do_cpuid(unsigned int *eax, unsigned int *ebx,
+                           unsigned int *ecx, unsigned int *edx)
+{
+       asm volatile("xchgl %%ebx, %1\ncpuid\nxchgl %%ebx, %1"
+               : "=a" (*eax), "=r" (*ebx), "=c" (*ecx), "=d" (*edx)
+               : "0" (*eax)
+               : "memory");
+}
+
 #include "arch-x86-common.h"
 
 #define FIO_ARCH       (arch_i386)
@@ -20,12 +29,6 @@
 #define __NR_sys_vmsplice      316
 #endif
 
-#ifndef __NR_shmget
-#define __NR_shmget 29
-#define __NR_shmat 30
-#define __NR_shmctl 31
-#endif
-
 #define        FIO_HUGE_PAGE           4194304
 
 #define nop            __asm__ __volatile__("rep;nop": : :"memory")