selftests/powerpc: Add have_hwcap2() helper (ede8ef3f) · Commits · 戴 / test

tools/testing/selftests/powerpc/pmu/ebb/ebb.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -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

+1 −2

Original line number	Diff line number	Diff line
		@@ -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 −0

Original line number	Diff line number	Diff line
		@@ -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 { \