diff options
Diffstat (limited to 'ports/cortex_m7/ac5/src')
| -rw-r--r-- | ports/cortex_m7/ac5/src/tx_thread_schedule.s | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/ports/cortex_m7/ac5/src/tx_thread_schedule.s b/ports/cortex_m7/ac5/src/tx_thread_schedule.s index 4ff53e17..7929cd0c 100644 --- a/ports/cortex_m7/ac5/src/tx_thread_schedule.s +++ b/ports/cortex_m7/ac5/src/tx_thread_schedule.s @@ -9,6 +9,8 @@ * SPDX-License-Identifier: MIT **************************************************************************/ +// Portions of this file were generated with AI assistance. + /**************************************************************************/ /**************************************************************************/ @@ -132,7 +134,7 @@ __tx_ts_handler BL _tx_execution_thread_exit // Call the thread exit function POP {r0, lr} // Recover LR #ifdef TX_PORT_USE_BASEPRI - MOV r0, 0 // Disable BASEPRI masking (enable interrupts) + MOV r0, #0 // Disable BASEPRI masking (enable interrupts) MSR BASEPRI, r0 #else CPSIE i // Enable interrupts @@ -260,9 +262,19 @@ __tx_ts_wait #endif #ifdef TX_ENABLE_WFI +#ifdef TX_PORT_USE_BASEPRI + CPSID i // Mask every interrupt with PRIMASK, which WFI ignores + MOV r1, #0 // Clear BASEPRI so that an interrupt masked by it + MSR BASEPRI, r1 // is still able to wake the processor +#endif DSB // Ensure no outstanding memory transactions WFI // Wait for interrupt ISB // Ensure pipeline is flushed +#ifdef TX_PORT_USE_BASEPRI + LDR r1, =TX_PORT_BASEPRI // Restore the BASEPRI mask + MSR BASEPRI, r1 + CPSIE i // Clear PRIMASK; a pending interrupt is taken here +#endif #endif #ifdef TX_LOW_POWER |