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feat(partition_table): Add read-only partition flag and functionality

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This commit is contained in:
Adam Múdry
2023-07-17 11:59:28 +02:00
parent f083570af6
commit ab1eb37fe8
43 changed files with 763 additions and 104 deletions
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31
components/esp_partition/partition_target.c
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -64,6 +64,9 @@ esp_err_t esp_partition_write(const esp_partition_t *partition,
size_t dst_offset, const void *src, size_t size)
{
assert(partition != NULL);
if (partition->readonly) {
return ESP_ERR_NOT_ALLOWED;
}
if (dst_offset > partition->size) {
return ESP_ERR_INVALID_ARG;
}
@@ -103,6 +106,9 @@ esp_err_t esp_partition_write_raw(const esp_partition_t *partition,
size_t dst_offset, const void *src, size_t size)
{
assert(partition != NULL);
if (partition->readonly) {
return ESP_ERR_NOT_ALLOWED;
}
if (dst_offset > partition->size) {
return ESP_ERR_INVALID_ARG;
}
@@ -118,6 +124,9 @@ esp_err_t esp_partition_erase_range(const esp_partition_t *partition,
size_t offset, size_t size)
{
assert(partition != NULL);
if (partition->readonly) {
return ESP_ERR_NOT_ALLOWED;
}
if (offset > partition->size) {
return ESP_ERR_INVALID_ARG;
}
@@ -193,9 +202,25 @@ bool esp_partition_check_identity(const esp_partition_t *partition_1, const esp_
return false;
}
bool esp_partition_is_flash_region_writable(size_t addr, size_t size)
{
esp_partition_iterator_t it = esp_partition_find(ESP_PARTITION_TYPE_ANY, ESP_PARTITION_SUBTYPE_ANY, NULL);
for (; it != NULL; it = esp_partition_next(it)) {
const esp_partition_t *p = esp_partition_get(it);
if (p->readonly) {
if (addr >= p->address && addr < p->address + p->size) {
return false;
}
if (addr < p->address && addr + size > p->address) {
return false;
}
}
}
return true;
}
bool esp_partition_main_flash_region_safe(size_t addr, size_t size)
{
bool result = true;
if (addr <= ESP_PARTITION_TABLE_OFFSET + ESP_PARTITION_TABLE_MAX_LEN) {
return false;
}
@@ -206,5 +231,5 @@ bool esp_partition_main_flash_region_safe(size_t addr, size_t size)
if (addr < p->address && addr + size > p->address) {
return false;
}
return result;
return true;
}