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 extern void *get_auxv_entry(int type); 28 int pick_online_cpu(void); 29 30 static inline bool have_hwcap(unsigned long ftr) 31 { 32 return ((unsigned long)get_auxv_entry(AT_HWCAP) & ftr) == ftr; 33 } 34 35 #ifdef AT_HWCAP2 36 static inline bool have_hwcap2(unsigned long ftr2) 37 { 38 return ((unsigned long)get_auxv_entry(AT_HWCAP2) & ftr2) == ftr2; 39 } 40 #else 41 static inline bool have_hwcap2(unsigned long ftr2) 42 { 43 return false; 44 } 45 #endif 46 47 /* Yes, this is evil */ 48 #define FAIL_IF(x) \ 49 do { \ 50 if ((x)) { \ 51 fprintf(stderr, \ 52 "[FAIL] Test FAILED on line %d\n", __LINE__); \ 53 return 1; \ 54 } \ 55 } while (0) 56 57 /* The test harness uses this, yes it's gross */ 58 #define MAGIC_SKIP_RETURN_VALUE 99 59 60 #define SKIP_IF(x) \ 61 do { \ 62 if ((x)) { \ 63 fprintf(stderr, \ 64 "[SKIP] Test skipped on line %d\n", __LINE__); \ 65 return MAGIC_SKIP_RETURN_VALUE; \ 66 } \ 67 } while (0) 68 69 #define _str(s) #s 70 #define str(s) _str(s) 71 72 /* POWER9 feature */ 73 #ifndef PPC_FEATURE2_ARCH_3_00 74 #define PPC_FEATURE2_ARCH_3_00 0x00800000 75 #endif 76 77 #endif /* _SELFTESTS_POWERPC_UTILS_H */ 78
