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_hwcap(unsigned long ftr)
31{
32 return ((unsigned long)get_auxv_entry(AT_HWCAP) & ftr) == ftr;
33}
34
35static inline bool have_hwcap2(unsigned long ftr2)
36{
37 return ((unsigned long)get_auxv_entry(AT_HWCAP2) & ftr2) == ftr2;
38}
39
40/* Yes, this is evil */
41#define FAIL_IF(x) \
42do { \
43 if ((x)) { \
44 fprintf(stderr, \
45 "[FAIL] Test FAILED on line %d\n", __LINE__); \
46 return 1; \
47 } \
48} while (0)
49
50/* The test harness uses this, yes it's gross */
51#define MAGIC_SKIP_RETURN_VALUE 99
52
53#define SKIP_IF(x) \
54do { \
55 if ((x)) { \
56 fprintf(stderr, \
57 "[SKIP] Test skipped on line %d\n", __LINE__); \
58 return MAGIC_SKIP_RETURN_VALUE; \
59 } \
60} while (0)
61
62#define _str(s) #s
63#define str(s) _str(s)
64
65/* POWER9 feature */
66#ifndef PPC_FEATURE2_ARCH_3_00
67#define PPC_FEATURE2_ARCH_3_00 0x00800000
68#endif
69
70#endif /* _SELFTESTS_POWERPC_UTILS_H */