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			94 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			94 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * SPDX-FileCopyrightText: 2021-2022 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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#include <string.h>
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#include <sys/param.h>
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#include "esp_system.h"
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#include "spi_flash_mmap.h"
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#include "soc/soc_memory_layout.h"
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#include "esp_private/cache_utils.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 !CONFIG_APP_BUILD_TYPE_PURE_RAM_APP
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    if (!spi_flash_cache_enabled())
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#endif
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    {
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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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