106 lines
3.4 KiB
C
106 lines
3.4 KiB
C
/*
|
|
* Copyright 2016 Dius Computing Pty Ltd. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* - Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* - Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the
|
|
* distribution.
|
|
* - Neither the name of the copyright holders nor the names of
|
|
* its contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
|
|
* THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
|
|
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
|
* OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* @author Johny Mattsson <jmattsson@dius.com.au>
|
|
*/
|
|
|
|
#include "platform.h"
|
|
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include "../../bootloader/src/main/bootloader_config.h"
|
|
#include "esp_spi_flash.h"
|
|
|
|
static inline bool possible_idx (uint8_t idx)
|
|
{
|
|
return ((idx +1) * sizeof (partition_info_t)) < SPI_FLASH_SEC_SIZE;
|
|
}
|
|
|
|
|
|
bool platform_partition_info (uint8_t idx, platform_partition_t *info)
|
|
{
|
|
if (!possible_idx (idx))
|
|
return false;
|
|
|
|
partition_info_t pi;
|
|
esp_err_t err = spi_flash_read (
|
|
PARTITION_ADD + idx * sizeof(pi), (uint32_t *)&pi, sizeof (pi));
|
|
if (err != ESP_OK)
|
|
return false;
|
|
|
|
if (pi.magic != PARTITION_MAGIC)
|
|
return false;
|
|
|
|
memcpy (info->label, pi.label, sizeof (info->label));
|
|
info->offs = pi.pos.offset;
|
|
info->size = pi.pos.size;
|
|
info->type = pi.type;
|
|
info->subtype = pi.subtype;
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
bool platform_partition_add (const platform_partition_t *info)
|
|
{
|
|
partition_info_t *part_table = (partition_info_t *)malloc(SPI_FLASH_SEC_SIZE);
|
|
if (!part_table)
|
|
return false;
|
|
esp_err_t err =
|
|
spi_flash_read (PARTITION_ADD, (uint32_t *)part_table, SPI_FLASH_SEC_SIZE);
|
|
if (err != ESP_OK)
|
|
goto out;
|
|
|
|
uint8_t idx = 0;
|
|
for (; possible_idx (idx); ++idx)
|
|
if (part_table[idx].magic != PARTITION_MAGIC)
|
|
break;
|
|
|
|
if (possible_idx (idx))
|
|
{
|
|
partition_info_t *slot = &part_table[idx];
|
|
slot->magic = PARTITION_MAGIC;
|
|
slot->type = info->type;
|
|
slot->subtype = info->subtype;
|
|
slot->pos.offset = info->offs;
|
|
slot->pos.size = info->size;
|
|
memcpy (slot->label, info->label, sizeof (slot->label));
|
|
memset (slot->reserved, 0xff, sizeof (slot->reserved));
|
|
err = spi_flash_erase_sector (PARTITION_ADD / SPI_FLASH_SEC_SIZE);
|
|
if (err == ESP_OK)
|
|
err = spi_flash_write (
|
|
PARTITION_ADD, (uint32_t *)part_table, SPI_FLASH_SEC_SIZE);
|
|
}
|
|
|
|
out:
|
|
free (part_table);
|
|
return err == ESP_OK;
|
|
}
|