diff options
Diffstat (limited to '')
| -rw-r--r-- | c/src/exec/score/cpu/i386/cpu.h | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/c/src/exec/score/cpu/i386/cpu.h b/c/src/exec/score/cpu/i386/cpu.h index 7af6bebfad..1b6053912a 100644 --- a/c/src/exec/score/cpu/i386/cpu.h +++ b/c/src/exec/score/cpu/i386/cpu.h @@ -64,11 +64,23 @@ extern "C" { #define CPU_IDLE_TASK_IS_FP FALSE #define CPU_USE_DEFERRED_FP_SWITCH TRUE -#define CPU_PROVIDES_IDLE_THREAD_BODY TRUE #define CPU_STACK_GROWS_UP FALSE #define CPU_STRUCTURE_ALIGNMENT /* + * Does this port provide a CPU dependent IDLE task implementation? + * + * If TRUE, then the routine _CPU_Thread_Idle_body + * must be provided and is the default IDLE thread body instead of + * _CPU_Thread_Idle_body. + * + * If FALSE, then use the generic IDLE thread body if the BSP does + * not provide one. + */ + +#define CPU_PROVIDES_IDLE_THREAD_BODY TRUE + +/* * Define what is required to specify how the network to host conversion * routines are handled. */ @@ -385,6 +397,18 @@ void _CPU_ISR_install_vector( ); /* + * _CPU_Thread_Idle_body + * + * Use the halt instruction of low power mode of a particular i386 model. + */ + +#if (CPU_PROVIDES_IDLE_THREAD_BODY == TRUE) + +void _CPU_Thread_Idle_body( void ); + +#endif /* CPU_PROVIDES_IDLE_THREAD_BODY */ + +/* * _CPU_Context_switch * * This routine switches from the run context to the heir context. |