alistair23-linux/tools/testing/selftests/powerpc/include/utils.h
Thomas Gleixner f50a7f3d92 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 191
Based on 1 normalized pattern(s):

  licensed under gplv2

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 99 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Steve Winslow <swinslow@gmail.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190528170027.163048684@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:29:21 -07:00

114 lines
2.7 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2013, Michael Ellerman, IBM Corp.
*/
#ifndef _SELFTESTS_POWERPC_UTILS_H
#define _SELFTESTS_POWERPC_UTILS_H
#define __cacheline_aligned __attribute__((aligned(128)))
#include <stdint.h>
#include <stdbool.h>
#include <linux/auxvec.h>
#include <linux/perf_event.h>
#include "reg.h"
/* Avoid headaches with PRI?64 - just use %ll? always */
typedef unsigned long long u64;
typedef signed long long s64;
/* Just for familiarity */
typedef uint32_t u32;
typedef uint16_t u16;
typedef uint8_t u8;
void test_harness_set_timeout(uint64_t time);
int test_harness(int (test_function)(void), char *name);
int read_auxv(char *buf, ssize_t buf_size);
void *find_auxv_entry(int type, char *auxv);
void *get_auxv_entry(int type);
int pick_online_cpu(void);
int read_debugfs_file(char *debugfs_file, int *result);
int write_debugfs_file(char *debugfs_file, int result);
void set_dscr(unsigned long val);
int perf_event_open_counter(unsigned int type,
unsigned long config, int group_fd);
int perf_event_enable(int fd);
int perf_event_disable(int fd);
int perf_event_reset(int fd);
static inline bool have_hwcap(unsigned long ftr)
{
return ((unsigned long)get_auxv_entry(AT_HWCAP) & ftr) == ftr;
}
#ifdef AT_HWCAP2
static inline bool have_hwcap2(unsigned long ftr2)
{
return ((unsigned long)get_auxv_entry(AT_HWCAP2) & ftr2) == ftr2;
}
#else
static inline bool have_hwcap2(unsigned long ftr2)
{
return false;
}
#endif
bool is_ppc64le(void);
/* Yes, this is evil */
#define FAIL_IF(x) \
do { \
if ((x)) { \
fprintf(stderr, \
"[FAIL] Test FAILED on line %d\n", __LINE__); \
return 1; \
} \
} while (0)
/* The test harness uses this, yes it's gross */
#define MAGIC_SKIP_RETURN_VALUE 99
#define SKIP_IF(x) \
do { \
if ((x)) { \
fprintf(stderr, \
"[SKIP] Test skipped on line %d\n", __LINE__); \
return MAGIC_SKIP_RETURN_VALUE; \
} \
} while (0)
#define SKIP_IF_MSG(x, msg) \
do { \
if ((x)) { \
fprintf(stderr, \
"[SKIP] Test skipped on line %d: %s\n", \
__LINE__, msg); \
return MAGIC_SKIP_RETURN_VALUE; \
} \
} while (0)
#define _str(s) #s
#define str(s) _str(s)
/* POWER9 feature */
#ifndef PPC_FEATURE2_ARCH_3_00
#define PPC_FEATURE2_ARCH_3_00 0x00800000
#endif
#if defined(__powerpc64__)
#define UCONTEXT_NIA(UC) (UC)->uc_mcontext.gp_regs[PT_NIP]
#define UCONTEXT_MSR(UC) (UC)->uc_mcontext.gp_regs[PT_MSR]
#elif defined(__powerpc__)
#define UCONTEXT_NIA(UC) (UC)->uc_mcontext.uc_regs->gregs[PT_NIP]
#define UCONTEXT_MSR(UC) (UC)->uc_mcontext.uc_regs->gregs[PT_MSR]
#else
#error implement UCONTEXT_NIA
#endif
#endif /* _SELFTESTS_POWERPC_UTILS_H */