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Merge branch 'bugfix/flash_mapp' into 'master'

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spi_flash: add api to get valid mmu table pages number

See merge request idf/esp-idf!2070
This commit is contained in:
Jiang Jiang Jian
2018-03-30 19:32:35 +08:00
parent f46ad1fec8 49a236dae0
commit 8eaae96658
5 changed files with 140 additions and 20 deletions
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5
components/bootloader_support/src/bootloader_flash.c
View File

@@ -23,7 +23,7 @@
*/
static const char *TAG = "bootloader_mmap";
static spi_flash_mmap_memory_t map;
static spi_flash_mmap_handle_t map;
const void *bootloader_mmap(uint32_t src_addr, uint32_t size)
{
@@ -36,7 +36,8 @@ const void *bootloader_mmap(uint32_t src_addr, uint32_t size)
size += (src_addr - src_page);
esp_err_t err = spi_flash_mmap(src_page, size, SPI_FLASH_MMAP_DATA, &result, &map);
if (err != ESP_OK) {
result = NULL;
ESP_LOGE(TAG, "spi_flash_mmap failed: 0x%x", err);
return NULL;
}
return (void *)((intptr_t)result + (src_addr - src_page));
}

42
components/bootloader_support/src/esp_image_format.c
View File

@@ -19,6 +19,7 @@
#include <esp_image_format.h>
#include <esp_secure_boot.h>
#include <esp_log.h>
#include <esp_spi_flash.h>
#include <bootloader_flash.h>
#include <bootloader_random.h>
#include <bootloader_sha.h>
@@ -33,6 +34,9 @@ static const char *TAG = "esp_image";
/* Headroom to ensure between stack SP (at time of checking) and data loaded from flash */
#define STACK_LOAD_HEADROOM 32768
/* Mmap source address mask */
#define MMAP_ALIGNED_MASK 0x0000FFFF
#ifdef BOOTLOADER_BUILD
/* 64 bits of random data to obfuscate loaded RAM with, until verification is complete
(Means loaded code isn't executable until after the secure boot check.)
@@ -48,6 +52,9 @@ static bool should_map(uint32_t load_addr);
/* Load or verify a segment */
static esp_err_t process_segment(int index, uint32_t flash_addr, esp_image_segment_header_t *header, bool silent, bool do_load, bootloader_sha256_handle_t sha_handle, uint32_t *checksum);
/* split segment and verify if data_len is too long */
static esp_err_t process_segment_data(intptr_t load_addr, uint32_t data_addr, uint32_t data_len, bool do_load, bootloader_sha256_handle_t sha_handle, uint32_t *checksum);
/* Verify the main image header */
static esp_err_t verify_image_header(uint32_t src_addr, const esp_image_header_t *image, bool silent);
@@ -291,7 +298,36 @@ static esp_err_t process_segment(int index, uint32_t flash_addr, esp_image_segme
}
}
}
#ifndef BOOTLOADER_BUILD
uint32_t free_page_count = spi_flash_mmap_get_free_pages(SPI_FLASH_MMAP_DATA);
ESP_LOGD(TAG, "free data page_count 0x%08x",free_page_count);
uint32_t offset_page = 0;
while (data_len >= free_page_count * SPI_FLASH_MMU_PAGE_SIZE) {
offset_page = ((data_addr & MMAP_ALIGNED_MASK) != 0)?1:0;
err = process_segment_data(load_addr, data_addr, (free_page_count - offset_page) * SPI_FLASH_MMU_PAGE_SIZE, do_load, sha_handle, checksum);
if (err != ESP_OK) {
return err;
}
data_addr += (free_page_count - offset_page) * SPI_FLASH_MMU_PAGE_SIZE;
data_len -= (free_page_count - offset_page) * SPI_FLASH_MMU_PAGE_SIZE;
}
#endif
err = process_segment_data(load_addr, data_addr, data_len, do_load, sha_handle, checksum);
if (err != ESP_OK) {
return err;
}
return ESP_OK;
err:
if (err == ESP_OK) {
err = ESP_ERR_IMAGE_INVALID;
}
return err;
}
static esp_err_t process_segment_data(intptr_t load_addr, uint32_t data_addr, uint32_t data_len, bool do_load, bootloader_sha256_handle_t sha_handle, uint32_t *checksum)
{
const uint32_t *data = (const uint32_t *)bootloader_mmap(data_addr, data_len);
if(!data) {
ESP_LOGE(TAG, "bootloader_mmap(0x%x, 0x%x) failed",
@@ -332,12 +368,6 @@ static esp_err_t process_segment(int index, uint32_t flash_addr, esp_image_segme
bootloader_munmap(data);
return ESP_OK;
err:
if (err == ESP_OK) {
err = ESP_ERR_IMAGE_INVALID;
}
return err;
}
static esp_err_t verify_segment_header(int index, const esp_image_segment_header_t *segment, uint32_t segment_data_offs, bool silent)