mirror of
https://github.com/espressif/ESP8266_RTOS_SDK.git
synced 2025-06-16 11:22:53 +08:00
feat(esp8266): support link firmware to all regions of 8MB flash
This commit is contained in:
components
bootloader
bootloader_support/src
esp8266/ld
@ -268,6 +268,12 @@ esp_err_t bootloader_flash_erase_sector(size_t sector)
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#include "esp_spi_flash.h"
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#endif
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#ifdef CONFIG_SOC_FULL_ICACHE
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#define SOC_CACHE_SIZE 1 // 32KB
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#else
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#define SOC_CACHE_SIZE 0 // 16KB
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#endif
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extern void Cache_Read_Disable();
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extern void Cache_Read_Enable(uint8_t map, uint8_t p, uint8_t v);
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@ -290,21 +296,48 @@ const void *bootloader_mmap(uint32_t src_addr, uint32_t size)
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return NULL; /* can't map twice */
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}
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/* ToDo: Improve the map policy! */
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/* 0: 0x000000 - 0x1fffff */
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/* 1: 0x200000 - 0x3fffff */
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/* 2: 0x400000 - 0x5fffff */
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/* 3: 0x600000 - 0x7fffff */
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uint32_t region;
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uint32_t sub_region;
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uint32_t mapped_src;
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if (src_addr < 0x200000) {
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region = 0;
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} else if (src_addr < 0x400000) {
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region = 1;
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} else if (src_addr < 0x600000) {
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region = 2;
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} else if (src_addr < 0x800000) {
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region = 3;
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} else {
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ESP_LOGE(TAG, "flash mapped address %p is invalid", (void *)src_addr);
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while (1);
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}
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/* 0: 0x000000 - 0x0fffff \ */
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/* \ */
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/* 0x40200000 */
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/* / */
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/* 1: 0x100000 - 0x1fffff / */
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mapped_src = src_addr & 0x1fffff;
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if (mapped_src < 0x100000) {
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sub_region = 0;
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} else {
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sub_region = 1;
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mapped_src -= 0x100000;
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}
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Cache_Read_Disable();
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/* 0 and 0x100000 address use same mmap addresss 0x40200000 */
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if (src_addr < 0x100000) {
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Cache_Read_Enable(0, 0, 0);
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} else {
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Cache_Read_Enable(1, 0, 0);
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src_addr -= 0x100000;
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}
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Cache_Read_Enable(sub_region, region, SOC_CACHE_SIZE);
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mapped = true;
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return (void *)(0x40200000 + src_addr);
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return (void *)(0x40200000 + mapped_src);
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}
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void bootloader_munmap(const void *mapping)
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@ -495,15 +495,6 @@ static void set_cache_and_start_app(
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#include "esp_flash_partitions.h"
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#include "internal/esp_system_internal.h"
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#ifdef CONFIG_SOC_FULL_ICACHE
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#define SOC_CACHE_SIZE 1 // 32KB
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#else
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#define SOC_CACHE_SIZE 0 // 16KB
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#endif
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#define ESP_CACHE1_ADDR_MAX 0x100000
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#define ESP_CACHE2_ADDR_MAX 0x200000
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static const char* TAG = "boot";
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bool bootloader_utility_load_partition_table(bootloader_state_t* bs)
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@ -803,7 +794,6 @@ bool bootloader_utility_load_boot_image(const bootloader_state_t *bs, int start_
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void bootloader_utility_load_image(const esp_image_metadata_t* image_data)
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{
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void (*user_start)(size_t start_addr);
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extern void Cache_Read_Enable(uint8_t map, uint8_t p, uint8_t v);
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#if defined(CONFIG_SECURE_BOOT_ENABLED) || defined(CONFIG_FLASH_ENCRYPTION_ENABLED)
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esp_err_t err;
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@ -848,22 +838,7 @@ void bootloader_utility_load_image(const esp_image_metadata_t* image_data)
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copy loaded segments to RAM, set up caches for mapped segments, and start application
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unpack_load_app(image_data);
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#else
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size_t map;
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if (image_data->start_addr < ESP_CACHE1_ADDR_MAX
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&& image_data->start_addr + image_data->image_len < ESP_CACHE1_ADDR_MAX) {
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map = 0;
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} else if (image_data->start_addr >= ESP_CACHE1_ADDR_MAX
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&& image_data->start_addr < ESP_CACHE2_ADDR_MAX
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&& image_data->start_addr + image_data->image_len < ESP_CACHE2_ADDR_MAX) {
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map = 1;
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} else {
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ESP_LOGE(TAG, "ERROR: app bin error, start_addr %x image_len %d\n", image_data->start_addr, image_data->image_len);
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/* Blocking here to let user judge. */
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while (1);
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}
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Cache_Read_Enable(map, 0, SOC_CACHE_SIZE);
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bootloader_mmap(image_data->start_addr, image_data->image_len);
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user_start = (void *)image_data->image.entry_addr;
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user_start(image_data->start_addr);
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