diff options
Diffstat (limited to 'core/minute-ia/config_core.h')
| -rw-r--r-- | core/minute-ia/config_core.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/core/minute-ia/config_core.h b/core/minute-ia/config_core.h index 3ca60cf71d..426e215eae 100644 --- a/core/minute-ia/config_core.h +++ b/core/minute-ia/config_core.h @@ -12,4 +12,18 @@ #define CONFIG_SOFTWARE_PANIC +/* + * Since all implementations minute-ia are a single core, we do not need a + * "lock;" prefix on any instructions. We use the below define in places where + * a lock statement would be needed if there were multiple cores. + * + * Also the destination operand needs to be a memory location instead of a + * register for us to drop the "lock;" prefix for a single-core chip. + */ +#ifndef __ASSEMBLER__ +#define ASM_LOCK_PREFIX "" +#else +#define ASM_LOCK_PREFIX +#endif + #endif /* __CROS_EC_CONFIG_CORE_H */ |