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fix(esp_system): fix RTC reserved area alignment in the linker script

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Make sure the size of the RTC reserved area complies with the alignment requirement.

Closes https://github.com/espressif/esp-idf/issues/13082
This commit is contained in:
Omar Chebib
2025-06-17 16:50:10 +08:00
parent fed967df46
commit 67b64ce555
2 changed files with 13 additions and 3 deletions
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components/esp_system/ld/ld.common
+8 -2
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@@ -6,6 +6,8 @@
#include "sdkconfig.h"
#define ALIGN_UP(SIZE, AL) (((SIZE) + (AL - 1)) & ~(AL - 1))
/* CPU instruction prefetch padding size for flash mmap scenario */
#define _esp_flash_mmap_prefetch_pad_size 16
@@ -45,10 +47,14 @@
#if CONFIG_SOC_RTC_MEM_SUPPORTED
#if CONFIG_BOOTLOADER_RESERVE_RTC_MEM
/**
* The ESP_BOOTLOADER_RESERVE_RTC size must have the same alignment of RTC_TIMER_RESERVE_RTC, else
* the segment will overflow at link time because not enough bytes are allocated for the RTC segment.
*/
#ifdef CONFIG_BOOTLOADER_CUSTOM_RESERVE_RTC
#define ESP_BOOTLOADER_RESERVE_RTC (CONFIG_BOOTLOADER_RESERVE_RTC_SIZE + CONFIG_BOOTLOADER_CUSTOM_RESERVE_RTC_SIZE)
#define ESP_BOOTLOADER_RESERVE_RTC ALIGN_UP(CONFIG_BOOTLOADER_RESERVE_RTC_SIZE + CONFIG_BOOTLOADER_CUSTOM_RESERVE_RTC_SIZE, 8)
#else
#define ESP_BOOTLOADER_RESERVE_RTC (CONFIG_BOOTLOADER_RESERVE_RTC_SIZE)
#define ESP_BOOTLOADER_RESERVE_RTC ALIGN_UP(CONFIG_BOOTLOADER_RESERVE_RTC_SIZE, 8)
#endif // not CONFIG_BOOTLOADER_CUSTOM_RESERVE_RTC
#else
#define ESP_BOOTLOADER_RESERVE_RTC 0