Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/*
2 * Copyright 2013, Michael Ellerman, IBM Corp.
3 * Licensed under GPLv2.
4 */
5
6#ifndef _SELFTESTS_POWERPC_UTILS_H
7#define _SELFTESTS_POWERPC_UTILS_H
8
9#define __cacheline_aligned __attribute__((aligned(128)))
10
11#include <stdint.h>
12#include <stdbool.h>
13#include <linux/auxvec.h>
14#include "reg.h"
15
16/* Avoid headaches with PRI?64 - just use %ll? always */
17typedef unsigned long long u64;
18typedef signed long long s64;
19
20/* Just for familiarity */
21typedef uint32_t u32;
22typedef uint16_t u16;
23typedef uint8_t u8;
24
25
26int test_harness(int (test_function)(void), char *name);
27extern void *get_auxv_entry(int type);
28int pick_online_cpu(void);
29
30static inline bool have_hwcap2(unsigned long ftr2)
31{
32 return ((unsigned long)get_auxv_entry(AT_HWCAP2) & ftr2) == ftr2;
33}
34
35/* Yes, this is evil */
36#define FAIL_IF(x) \
37do { \
38 if ((x)) { \
39 fprintf(stderr, \
40 "[FAIL] Test FAILED on line %d\n", __LINE__); \
41 return 1; \
42 } \
43} while (0)
44
45/* The test harness uses this, yes it's gross */
46#define MAGIC_SKIP_RETURN_VALUE 99
47
48#define SKIP_IF(x) \
49do { \
50 if ((x)) { \
51 fprintf(stderr, \
52 "[SKIP] Test skipped on line %d\n", __LINE__); \
53 return MAGIC_SKIP_RETURN_VALUE; \
54 } \
55} while (0)
56
57#define _str(s) #s
58#define str(s) _str(s)
59
60/* POWER9 feature */
61#ifndef PPC_FEATURE2_ARCH_3_00
62#define PPC_FEATURE2_ARCH_3_00 0x00800000
63#endif
64
65#endif /* _SELFTESTS_POWERPC_UTILS_H */