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selftests/powerpc: Add have_hwcap2() helper 

We already do this twice and want to add another so add a helper.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Michael Ellerman 2015-11-24 13:05:39 +11:00
parent fcb45ec074
commit ede8ef3f82
3 changed files with 8 additions and 4 deletions
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3
tools/testing/selftests/powerpc/pmu/ebb/ebb.c
View File

@ -13,7 +13,6 @@
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <linux/auxvec.h>
#include "trace.h"
#include "reg.h"
@ -324,7 +323,7 @@ bool ebb_is_supported(void)
{
#ifdef PPC_FEATURE2_EBB
/* EBB requires at least POWER8 */
return ((long)get_auxv_entry(AT_HWCAP2) & PPC_FEATURE2_EBB);
return have_hwcap2(PPC_FEATURE2_EBB);
#else
return false;
#endif

3
tools/testing/selftests/powerpc/tm/tm-syscall.c
View File

@ -14,7 +14,6 @@
#include <sys/syscall.h>
#include <asm/tm.h>
#include <asm/cputable.h>
#include <linux/auxvec.h>
#include <sys/time.h>
#include <stdlib.h>
@ -80,7 +79,7 @@ pid_t getppid_tm(bool suspend)
static inline bool have_htm_nosc(void)
{
#ifdef PPC_FEATURE2_HTM_NOSC
return ((long)get_auxv_entry(AT_HWCAP2) & PPC_FEATURE2_HTM_NOSC);
return have_hwcap2(PPC_FEATURE2_HTM_NOSC);
#else
printf("PPC_FEATURE2_HTM_NOSC not defined, can't check AT_HWCAP2\n");
return false;

6
tools/testing/selftests/powerpc/utils.h
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@ -8,6 +8,7 @@
#include <stdint.h>
#include <stdbool.h>
#include <linux/auxvec.h>
/* Avoid headaches with PRI?64 - just use %ll? always */
typedef unsigned long long u64;
@ -22,6 +23,11 @@ typedef uint8_t u8;
int test_harness(int (test_function)(void), char *name);
extern void *get_auxv_entry(int type);
static inline bool have_hwcap2(unsigned long ftr2)
{
return ((unsigned long)get_auxv_entry(AT_HWCAP2) & ftr2) == ftr2;
}
/* Yes, this is evil */
#define FAIL_IF(x) \
do { \