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35 lines
1013 B
C
35 lines
1013 B
C
/*
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* SPDX-FileCopyrightText: 2021 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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// This module implements debug/trace stubs. The stub is a piece of special code which can invoked by OpenOCD
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// Currently one stub is used for GCOV functionality
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//
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#include "esp_cpu.h"
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#include "hal/cpu_hal.h"
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#include "esp_log.h"
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const static char *TAG = "esp_dbg_stubs";
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#define RISCV_DBG_STUBS_SYSNR 0x65
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/* Advertises apptrace control block address to host */
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static int esp_dbg_stubs_advertise_table(void *stub_table_addr)
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{
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if (!esp_cpu_in_ocd_debug_mode()) {
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return 0;
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}
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return cpu_hal_syscall(RISCV_DBG_STUBS_SYSNR, (int)stub_table_addr, 0, 0, 0, NULL);
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}
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void esp_dbg_stubs_ll_init(void *stub_table_addr)
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{
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// notify host about control block address
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int res = esp_dbg_stubs_advertise_table(stub_table_addr);
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assert(res == 0 && "Falied to send debug stubs table address to host!");
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ESP_LOGV(TAG, "%s stubs %x", __func__, stub_table_addr);
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}
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