esp-idf/components/esp_bootloader_format/esp_bootloader_desc.c
Alexey Lapshin 824c8e0593 feat(esp_system): allow .bss to spill over into L2MEM above 0x4ff40000
This commit introduce SOC_MEM_NON_CONTIGUOUS_SRAM flag (that enebled for
esp32p4). If SOC_MEM_NON_CONTIGUOUS_SRAM is enabled:

- LDFLAGS+=--enable-non-contiguous-regions
- ldgen.py replaces "arrays[*]" from sections.ld.in with objects under
  SURROUND keyword. (e.g. from linker.lf: data -> dram0_data SURROUND(foo))
- "mapping[*]" - refers to all other data

If SOC_MEM_NON_CONTIGUOUS_SRAM, sections.ld.in file should contain at
least one block of code like this (otherwise it does not make sense):

  .dram0.bss (NOLOAD) :
  {
    arrays[dram0_bss]
    mapping[dram0_bss]
  } > sram_low

  .dram1.bss (NOLOAD) :
  {
    /* do not place here arrays[dram0_bss] because it may be splited
     * between segments */
    mapping[dram0_bss]
  } > sram_high
2024-02-28 19:41:25 +04:00

36 lines
919 B
C

/*
* SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <assert.h>
#include <sys/param.h>
#include "esp_bootloader_desc.h"
#include "sdkconfig.h"
// Bootloader version info
#if BOOTLOADER_BUILD
__attribute__((section(".data_bootloader_desc")))
#endif
__attribute__((weak))
const esp_bootloader_desc_t esp_bootloader_desc = {
.magic_byte = ESP_BOOTLOADER_DESC_MAGIC_BYTE,
.reserved = { 0 },
.version = CONFIG_BOOTLOADER_PROJECT_VER,
.idf_ver = IDF_VER,
#ifdef CONFIG_BOOTLOADER_COMPILE_TIME_DATE
.date_time = __DATE__ " " __TIME__,
#else
.date_time = "",
#endif
.reserved2 = { 0 },
};
_Static_assert(sizeof(IDF_VER) <= sizeof(esp_bootloader_desc.idf_ver), "IDF_VER is longer than idf_ver field in structure");
const esp_bootloader_desc_t *esp_bootloader_get_description(void)
{
return &esp_bootloader_desc;
}