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https://github.com/espressif/esp-idf.git
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34 lines
1.0 KiB
C
34 lines
1.0 KiB
C
/*
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* SPDX-FileCopyrightText: 2021-2023 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 "esp_log.h"
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#include "riscv/semihosting.h"
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const static char *TAG = "esp_dbg_stubs";
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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_dbgr_is_attached()) {
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return 0;
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}
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return (int) semihosting_call_noerrno(ESP_SEMIHOSTING_SYS_DBG_STUBS_INIT, (long*)stub_table_addr);
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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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// Value unused if asserts are disabled
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int __attribute__((unused)) res = esp_dbg_stubs_advertise_table(stub_table_addr);
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assert(res == 0 && "Failed to send debug stubs table address to host!");
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ESP_LOGV(TAG, "%s stubs %p", __func__, stub_table_addr);
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}
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