esp-idf/components/hal/esp32p4/include/hal/crosscore_int_ll.h

69 wiersze
1.6 KiB
C

/*
* SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdint.h>
#include "esp_attr.h"
#include "soc/hp_system_reg.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Clear the crosscore interrupt that just occurred on the current core
*/
FORCE_INLINE_ATTR void crosscore_int_ll_clear_interrupt(int core_id)
{
if (core_id == 0) {
WRITE_PERI_REG(HP_SYSTEM_CPU_INT_FROM_CPU_0_REG, 0);
} else {
WRITE_PERI_REG(HP_SYSTEM_CPU_INT_FROM_CPU_1_REG, 0);
}
}
/**
* @brief Trigger a crosscore interrupt on the given core
*
* @param core_id Core to trigger an interrupt on. Ignored on single core targets.
*/
FORCE_INLINE_ATTR void crosscore_int_ll_trigger_interrupt(int core_id)
{
if (core_id == 0) {
WRITE_PERI_REG(HP_SYSTEM_CPU_INT_FROM_CPU_0_REG, HP_SYSTEM_CPU_INT_FROM_CPU_0);
} else {
WRITE_PERI_REG(HP_SYSTEM_CPU_INT_FROM_CPU_1_REG, HP_SYSTEM_CPU_INT_FROM_CPU_1);
}
}
/**
* @brief Get the state of the crosscore interrupt register for the given core
*
* @param core_id Core to get the crosscore interrupt state of. Ignored on single core targets.
*
* @return Non zero value if a software interrupt is pending on the given core,
* 0 if no software interrupt is pending.
*/
FORCE_INLINE_ATTR uint32_t crosscore_int_ll_get_state(int core_id)
{
uint32_t reg = 0;
if (core_id == 0) {
reg = REG_READ(HP_SYSTEM_CPU_INT_FROM_CPU_0_REG);
} else {
reg = REG_READ(HP_SYSTEM_CPU_INT_FROM_CPU_1_REG);
}
return reg;
}
#ifdef __cplusplus
}
#endif