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fix(rtc): fix .rtc_timer_data_in_rtc_mem wrongly in flash issue

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This commit is contained in:
Armando 2023-08-09 16:58:40 +08:00
parent 080087a9a0
commit d97b3fec67
2 changed files with 33 additions and 2 deletions
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14
components/esp_system/ld/esp32p4/memory.ld.in
View File

@ -83,10 +83,19 @@ MEMORY
*/
#if CONFIG_ULP_COPROC_ENABLED
lp_ram_seg(RW) : org = 0x50108000 + CONFIG_ULP_COPROC_RESERVE_MEM,
len = 0x8000 - CONFIG_ULP_COPROC_RESERVE_MEM
len = 0x8000 - CONFIG_ULP_COPROC_RESERVE_MEM - RESERVE_RTC_MEM
#else
lp_ram_seg(RW) : org = 0x50108000 , len = 0x8000
lp_ram_seg(RW) : org = 0x50108000 , len = 0x8000 - RESERVE_RTC_MEM
#endif // CONFIG_ULP_COPROC_ENABLED
/* We reduced the size of lp_ram_seg by RESERVE_RTC_MEM value.
It reserves the amount of LP memory that we use for this memory segment.
This segment is intended for keeping:
- (lower addr) rtc timer data (s_rtc_timer_retain_mem, see esp_clk.c files).
- (higher addr) bootloader rtc data (s_bootloader_retain_mem, when a Kconfig option is on).
The aim of this is to keep data that will not be moved around and have a fixed address.
*/
lp_reserved_seg(RW) : org = 0x50000000 + 0x8000 - RESERVE_RTC_MEM, len = RESERVE_RTC_MEM
}
/* Heap ends at top of dram0_0_seg */
@ -103,6 +112,7 @@ REGION_ALIAS("rtc_iram_seg", lp_ram_seg );
REGION_ALIAS("rtc_data_seg", rtc_iram_seg );
REGION_ALIAS("rtc_slow_seg", rtc_iram_seg );
REGION_ALIAS("rtc_data_location", rtc_iram_seg );
REGION_ALIAS("rtc_reserved_seg", lp_reserved_seg );
#if CONFIG_APP_BUILD_USE_FLASH_SECTIONS
REGION_ALIAS("default_code_seg", irom_seg);

21
components/esp_system/ld/esp32p4/sections.ld.in
View File

@ -104,6 +104,27 @@ SECTIONS
_rtc_force_slow_end = ABSOLUTE(.);
} > lp_ram_seg
/**
* This section holds RTC data that should have fixed addresses.
* The data are not initialized at power-up and are retained during deep sleep.
*/
.rtc_reserved (NOLOAD):
{
. = ALIGN(4);
_rtc_reserved_start = ABSOLUTE(.);
/* New data can only be added here to ensure existing data are not moved.
Because data have adhered to the end of the segment and code is relied on it.
>> put new data here << */
*(.rtc_timer_data_in_rtc_mem .rtc_timer_data_in_rtc_mem.*)
KEEP(*(.bootloader_data_rtc_mem .bootloader_data_rtc_mem.*))
_rtc_reserved_end = ABSOLUTE(.);
} > rtc_reserved_seg
_rtc_reserved_length = _rtc_reserved_end - _rtc_reserved_start;
ASSERT((_rtc_reserved_length <= LENGTH(rtc_reserved_seg)),
"RTC reserved segment data does not fit.")
/* Get size of rtc slow data based on rtc_data_location alias */
_rtc_slow_length = (ORIGIN(rtc_slow_seg) == ORIGIN(rtc_data_location))
? (_rtc_force_slow_end - _rtc_data_start)