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 */ 17 typedef unsigned long long u64; 18 typedef signed long long s64; 19 20 /* Just for familiarity */ 21 typedef uint32_t u32; 22 typedef uint16_t u16; 23 typedef uint8_t u8; 24 25 void test_harness_set_timeout(uint64_t time); 26 int test_harness(int (test_function)(void), char *name); 27 28 int read_auxv(char *buf, ssize_t buf_size); 29 void *find_auxv_entry(int type, char *auxv); 30 void *get_auxv_entry(int type); 31 32 int pick_online_cpu(void); 33 34 static inline bool have_hwcap(unsigned long ftr) 35 { 36 return ((unsigned long)get_auxv_entry(AT_HWCAP) & ftr) == ftr; 37 } 38 39 #ifdef AT_HWCAP2 40 static inline bool have_hwcap2(unsigned long ftr2) 41 { 42 return ((unsigned long)get_auxv_entry(AT_HWCAP2) & ftr2) == ftr2; 43 } 44 #else 45 static inline bool have_hwcap2(unsigned long ftr2) 46 { 47 return false; 48 } 49 #endif 50 51 /* Yes, this is evil */ 52 #define FAIL_IF(x) \ 53 do { \ 54 if ((x)) { \ 55 fprintf(stderr, \ 56 "[FAIL] Test FAILED on line %d\n", __LINE__); \ 57 return 1; \ 58 } \ 59 } while (0) 60 61 /* The test harness uses this, yes it's gross */ 62 #define MAGIC_SKIP_RETURN_VALUE 99 63 64 #define SKIP_IF(x) \ 65 do { \ 66 if ((x)) { \ 67 fprintf(stderr, \ 68 "[SKIP] Test skipped on line %d\n", __LINE__); \ 69 return MAGIC_SKIP_RETURN_VALUE; \ 70 } \ 71 } while (0) 72 73 #define _str(s) #s 74 #define str(s) _str(s) 75 76 /* POWER9 feature */ 77 #ifndef PPC_FEATURE2_ARCH_3_00 78 #define PPC_FEATURE2_ARCH_3_00 0x00800000 79 #endif 80 81 #endif /* _SELFTESTS_POWERPC_UTILS_H */ 82
