78 lines
1.8 KiB
C
78 lines
1.8 KiB
C
/*
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* Copyright (c) 2024 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 <stddef.h>
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#include <stdint.h>
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#include <string.h>
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#include <zephyr/types.h>
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#include <zephyr/kernel.h>
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#include <soc.h>
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#include <esp_err.h>
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#include <esp_heap_runtime.h>
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#include "esp_log.h"
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#define TAG "heap_runtime"
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/* ESP dynamic pool heap */
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extern unsigned int z_mapped_end;
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extern unsigned int _heap_sentry;
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static void *esp_heap_runtime_init_mem = &z_mapped_end;
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#define ESP_HEAP_RUNTIME_MAX_SIZE ((uintptr_t)&_heap_sentry - (uintptr_t)&z_mapped_end)
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static struct k_heap esp_heap_runtime;
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static int esp_heap_runtime_init(void)
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{
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ESP_EARLY_LOGI(TAG, "ESP heap runtime init at 0x%x size %d kB.\n",
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esp_heap_runtime_init_mem, ESP_HEAP_RUNTIME_MAX_SIZE / 1024);
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k_heap_init(&esp_heap_runtime, esp_heap_runtime_init_mem, ESP_HEAP_RUNTIME_MAX_SIZE);
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#if defined(CONFIG_WIFI_ESP32) && defined(CONFIG_BT_ESP32)
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assert(ESP_HEAP_RUNTIME_MAX_SIZE > 65535);
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#elif defined(CONFIG_WIFI_ESP32)
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assert(ESP_HEAP_RUNTIME_MAX_SIZE > 51200);
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#elif defined(CONFIG_BT_ESP32)
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assert(ESP_HEAP_RUNTIME_MAX_SIZE > 40960);
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#endif
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return 0;
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}
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void *esp_heap_runtime_malloc(size_t size)
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{
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return k_heap_alloc(&esp_heap_runtime, size, K_NO_WAIT);
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}
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void *esp_heap_runtime_calloc(size_t n, size_t size)
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{
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size_t sz;
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if (__builtin_mul_overflow(n, size, &sz)) {
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return NULL;
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}
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void *ptr = k_heap_alloc(&esp_heap_runtime, sz, K_NO_WAIT);
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if (ptr) {
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memset(ptr, 0, sz);
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}
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return ptr;
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}
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void *esp_heap_runtime_realloc(void *ptr, size_t bytes)
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{
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return k_heap_realloc(&esp_heap_runtime, ptr, bytes, K_NO_WAIT);
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}
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void esp_heap_runtime_free(void *mem)
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{
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k_heap_free(&esp_heap_runtime, mem);
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}
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SYS_INIT(esp_heap_runtime_init, PRE_KERNEL_2, CONFIG_KERNEL_INIT_PRIORITY_DEVICE);
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