1 /* 2 * Copyright 2015, Michael Ellerman, IBM Corp. 3 * Licensed under GPLv2. 4 */ 5 6 #ifndef _SELFTESTS_POWERPC_TM_TM_H 7 #define _SELFTESTS_POWERPC_TM_TM_H 8 9 #include <asm/tm.h> 10 #include <asm/cputable.h> 11 #include <stdbool.h> 12 13 #include "../utils.h" 14 15 static inline bool have_htm(void) 16 { 17 #ifdef PPC_FEATURE2_HTM 18 return have_hwcap2(PPC_FEATURE2_HTM); 19 #else 20 printf("PPC_FEATURE2_HTM not defined, can't check AT_HWCAP2\n"); 21 return false; 22 #endif 23 } 24 25 static inline bool have_htm_nosc(void) 26 { 27 #ifdef PPC_FEATURE2_HTM_NOSC 28 return have_hwcap2(PPC_FEATURE2_HTM_NOSC); 29 #else 30 printf("PPC_FEATURE2_HTM_NOSC not defined, can't check AT_HWCAP2\n"); 31 return false; 32 #endif 33 } 34 35 static inline long failure_code(void) 36 { 37 return __builtin_get_texasru() >> 24; 38 } 39 40 static inline bool failure_is_persistent(void) 41 { 42 return (failure_code() & TM_CAUSE_PERSISTENT) == TM_CAUSE_PERSISTENT; 43 } 44 45 static inline bool failure_is_syscall(void) 46 { 47 return (failure_code() & TM_CAUSE_SYSCALL) == TM_CAUSE_SYSCALL; 48 } 49 50 static inline bool failure_is_nesting(void) 51 { 52 return (__builtin_get_texasru() & 0x400000); 53 } 54 55 #endif /* _SELFTESTS_POWERPC_TM_TM_H */ 56
