kopia lustrzana https://github.com/espressif/esp-idf
98 wiersze
2.7 KiB
C
98 wiersze
2.7 KiB
C
// Copyright 2021 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <string.h>
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#include <sys/param.h>
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#include "esp_system.h"
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#include "esp_spi_flash.h"
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#include "soc/soc_memory_layout.h"
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#define ASSERT_STR "assert failed: "
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#define CACHE_DISABLED_STR "<cached disabled>"
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#if __XTENSA__
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#define INST_LEN 3
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#elif __riscv
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#define INST_LEN 4
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#endif
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static inline void ra_to_str(char *addr)
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{
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addr[0] = '0';
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addr[1] = 'x';
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itoa((uint32_t)(__builtin_return_address(0) - INST_LEN), addr + 2, 16);
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}
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/* Overriding assert function so that whenever assert is called from critical section,
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* it does not lead to a crash of its own.
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*/
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void __attribute__((noreturn)) __assert_func(const char *file, int line, const char *func, const char *expr)
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{
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#if CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_SILENT
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char buff[sizeof(ASSERT_STR) + 11 + 1] = ASSERT_STR;
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ra_to_str(&buff[sizeof(ASSERT_STR) - 1]);
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esp_system_abort(buff);
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#else
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char addr[11] = { 0 };
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char buff[200];
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char lbuf[5];
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uint32_t rem_len = sizeof(buff) - 1;
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uint32_t off = 0;
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itoa(line, lbuf, 10);
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if (!spi_flash_cache_enabled()) {
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if (esp_ptr_in_drom(file)) {
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file = CACHE_DISABLED_STR;
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}
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if (esp_ptr_in_drom(func)) {
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ra_to_str(addr);
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func = addr;
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}
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if (esp_ptr_in_drom(expr)) {
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expr = CACHE_DISABLED_STR;
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}
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}
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const char *str[] = {ASSERT_STR, func ? func : "\b", " ", file, ":", lbuf, " (", expr, ")"};
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for (int i = 0; i < sizeof(str) / sizeof(str[0]); i++) {
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uint32_t len = strlen(str[i]);
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uint32_t cpy_len = MIN(len, rem_len);
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memcpy(buff + off, str[i], cpy_len);
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rem_len -= cpy_len;
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off += cpy_len;
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if (rem_len == 0) {
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break;
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}
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}
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buff[off] = '\0';
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esp_system_abort(buff);
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#endif /* CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_SILENT */
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}
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void __attribute__((noreturn)) __assert(const char *file, int line, const char *failedexpr)
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{
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__assert_func(file, line, NULL, failedexpr);
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}
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/* No-op function, used to force linker to include these changes */
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void newlib_include_assert_impl(void)
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{
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}
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