| /* |
| * Copyright 2015, Michael Ellerman, IBM Corp. |
| * Licensed under GPLv2. |
| */ |
| |
| #ifndef _SELFTESTS_POWERPC_TM_TM_H |
| #define _SELFTESTS_POWERPC_TM_TM_H |
| |
| #include <asm/tm.h> |
| #include <asm/cputable.h> |
| #include <stdbool.h> |
| |
| #include "../utils.h" |
| |
| static inline bool have_htm(void) |
| { |
| #ifdef PPC_FEATURE2_HTM |
| return have_hwcap2(PPC_FEATURE2_HTM); |
| #else |
| printf("PPC_FEATURE2_HTM not defined, can't check AT_HWCAP2\n"); |
| return false; |
| #endif |
| } |
| |
| static inline bool have_htm_nosc(void) |
| { |
| #ifdef PPC_FEATURE2_HTM_NOSC |
| return have_hwcap2(PPC_FEATURE2_HTM_NOSC); |
| #else |
| printf("PPC_FEATURE2_HTM_NOSC not defined, can't check AT_HWCAP2\n"); |
| return false; |
| #endif |
| } |
| |
| static inline long failure_code(void) |
| { |
| return __builtin_get_texasru() >> 24; |
| } |
| |
| static inline bool failure_is_persistent(void) |
| { |
| return (failure_code() & TM_CAUSE_PERSISTENT) == TM_CAUSE_PERSISTENT; |
| } |
| |
| static inline bool failure_is_syscall(void) |
| { |
| return (failure_code() & TM_CAUSE_SYSCALL) == TM_CAUSE_SYSCALL; |
| } |
| |
| static inline bool failure_is_nesting(void) |
| { |
| return (__builtin_get_texasru() & 0x400000); |
| } |
| |
| #endif /* _SELFTESTS_POWERPC_TM_TM_H */ |