From 01e194426d51ffb1a6e9e3162567f29c2a84154d Mon Sep 17 00:00:00 2001 From: Jean-François Milants Date: Sun, 14 Feb 2021 14:42:30 +0100 Subject: Fix IRQ management in FreeRTOS to avoid crash and deadlock in BLE stack. --- src/FreeRTOS/port_cmsis.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'src/FreeRTOS/port_cmsis.c') diff --git a/src/FreeRTOS/port_cmsis.c b/src/FreeRTOS/port_cmsis.c index 2fbec43f..d8850b52 100644 --- a/src/FreeRTOS/port_cmsis.c +++ b/src/FreeRTOS/port_cmsis.c @@ -354,4 +354,24 @@ static void vPortEnableVFP( void ) configASSERT( NVIC_GetPriorityGrouping() <= ulMaxPRIGROUPValue ); } +uint32_t ulSetInterruptMaskFromISR( void ) +{ + __asm volatile ( + " mrs r0, PRIMASK \n" + " cpsid i \n" + " bx lr " + ::: "memory" + ); +} +/*-----------------------------------------------------------*/ + +void vClearInterruptMaskFromISR( __attribute__( ( unused ) ) uint32_t ulMask ) +{ + __asm volatile ( + " msr PRIMASK, r0 \n" + " bx lr " + ::: "memory" + ); +} + #endif /* configASSERT_DEFINED */ -- cgit v1.2.3-70-g09d2