diff options
Diffstat (limited to 'ports/cortex_m33/iar/src')
| -rw-r--r-- | ports/cortex_m33/iar/src/tx_thread_schedule.s | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/ports/cortex_m33/iar/src/tx_thread_schedule.s b/ports/cortex_m33/iar/src/tx_thread_schedule.s index e8962618..a00e03d3 100644 --- a/ports/cortex_m33/iar/src/tx_thread_schedule.s +++ b/ports/cortex_m33/iar/src/tx_thread_schedule.s @@ -32,6 +32,10 @@ EXTERN _tx_thread_secure_stack_context_save EXTERN _tx_thread_secure_mode_stack_allocate EXTERN _tx_thread_secure_mode_stack_free +#ifdef TX_LOW_POWER + EXTERN tx_low_power_enter + EXTERN tx_low_power_exit +#endif ; ; SECTION `.text`:CODE:NOROOT(2) @@ -41,7 +45,7 @@ ;/* FUNCTION RELEASE */ ;/* */ ;/* _tx_thread_schedule Cortex-M33/IAR */ -;/* 6.1 */ +;/* 6.1.6 */ ;/* AUTHOR */ ;/* */ ;/* Scott Larson, Microsoft Corporation */ @@ -74,6 +78,9 @@ ;/* DATE NAME DESCRIPTION */ ;/* */ ;/* 09-30-2020 Scott Larson Initial Version 6.1 */ +;/* 04-02-2021 Scott Larson Modified comment(s), added */ +;/* low power code, */ +;/* resulting in version 6.1.6 */ ;/* */ ;/**************************************************************************/ ;VOID _tx_thread_schedule(VOID) @@ -261,11 +268,25 @@ __tx_ts_wait: LDR r1, [r2] ; Pickup the next thread to execute pointer STR r1, [r0] ; Store it in the current pointer CBNZ r1, __tx_ts_ready ; If non-NULL, a new thread is ready! + +#ifdef TX_LOW_POWER + PUSH {r0-r3} + BL tx_low_power_enter ; Possibly enter low power mode + POP {r0-r3} +#endif + #ifdef TX_ENABLE_WFI DSB ; Ensure no outstanding memory transactions WFI ; Wait for interrupt ISB ; Ensure pipeline is flushed #endif + +#ifdef TX_LOW_POWER + PUSH {r0-r3} + BL tx_low_power_exit ; Exit low power mode + POP {r0-r3} +#endif + CPSIE i ; Enable interrupts B __tx_ts_wait ; Loop to continue waiting ; |