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hal/esp32c3: Avoid entering WFI mode under debugger

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This commit is contained in:
Alexey Gerenkov 2021-02-04 01:13:10 +03:00
parent ec22b4991b
commit fcad8c7f42
1 changed files with 7 additions and 0 deletions
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7
components/hal/esp32c3/include/hal/cpu_ll.h
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@ -16,6 +16,8 @@
#include <stdint.h>
#include "soc/soc_caps.h"
#include "soc/dport_access.h"
#include "soc/system_reg.h"
#include "esp_bit_defs.h"
#include "soc/assist_debug_reg.h"
#include "esp_attr.h"
@ -153,6 +155,11 @@ static inline void cpu_ll_set_vecbase(const void* vecbase)
static inline void cpu_ll_waiti(void)
{
if (cpu_ll_is_debugger_attached() && DPORT_REG_GET_BIT(SYSTEM_CPU_PER_CONF_REG, SYSTEM_CPU_WAIT_MODE_FORCE_ON) == 0) {
/* when SYSTEM_CPU_WAIT_MODE_FORCE_ON is disabled in WFI mode SBA access to memory does not work for debugger,
so do not enter that mode when debugger is connected */
return;
}
asm volatile ("wfi\n");
}