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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
committed by BOT
parent 91f679bdb3
commit 440c4a28d7
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 <stdint.h>
#include "soc/soc_caps.h" #include "soc/soc_caps.h"
#include "soc/dport_access.h"
#include "soc/system_reg.h"
#include "esp_bit_defs.h" #include "esp_bit_defs.h"
#include "soc/assist_debug_reg.h" #include "soc/assist_debug_reg.h"
#include "esp_attr.h" #include "esp_attr.h"
@@ -197,6 +199,11 @@ static inline void cpu_ll_set_vecbase(const void* vecbase)
static inline void cpu_ll_waiti(void) 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"); asm volatile ("wfi\n");
} }