esp-idf/components/esp_system/test/test_ipc_isr.S

62 wiersze
1.6 KiB
ArmAsm

/*
* SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <xtensa/coreasm.h>
#include <xtensa/corebits.h>
#include <xtensa/config/system.h>
#include <xtensa/hal.h>
/* esp_test_ipc_isr_asm(void *arg)
*
* It should be called by the CALLX0 command from the handler of High-priority interrupt.
* Only these registers [a2, a3, a4] can be used here.
*/
.section .iram1, "ax"
.align 4
.global esp_test_ipc_isr_asm
.type esp_test_ipc_isr_asm, @function
// Args:
// a2 - void* arg
esp_test_ipc_isr_asm:
movi a3, 0xa5a5
s32i a3, a2, 0
ret
/* esp_test_ipc_isr_get_other_core_id(void *arg)
*
* this function puts the core_id of the other CPU in the arg.
* use only a2, a3 and a4 regs here.
*/
.section .iram1, "ax"
.align 4
.global esp_test_ipc_isr_get_other_core_id
.type esp_test_ipc_isr_get_other_core_id, @function
// Args:
// a2 - void* arg
esp_test_ipc_isr_get_other_core_id:
rsr.prid a3
extui a3, a3, 13, 1
s32i a3, a2, 0
ret
/* esp_test_ipc_isr_get_cycle_count_other_cpu(void *arg)
*
* this function puts CCOUNT of the other CPU in the arg.
* use only a2, a3 and a4 regs here.
*/
.section .iram1, "ax"
.align 4
.global esp_test_ipc_isr_get_cycle_count_other_cpu
.type esp_test_ipc_isr_get_cycle_count_other_cpu, @function
// Args:
// a2 - void* arg
esp_test_ipc_isr_get_cycle_count_other_cpu:
rsr.ccount a3
s32i a3, a2, 0
ret