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arch/xtensa: add sys_startup_fn call

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Adds SYS_STARTUP_FN which calls constructors and init functions on
common source code. Requires compatibility changes on linker script.

Signed-off-by: Filipe Cavalcanti <filipe.cavalcanti@espressif.com>
This commit is contained in:
Filipe Cavalcanti
2025-07-16 12:13:15 -03:00
committed by Alan C. Assis
parent 897c79084f
commit 1d51cfbda7
11 changed files with 161 additions and 65 deletions
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boards/xtensa/esp32s2/common/scripts/esp32s2_sections.ld
+30 -13
View File
@@ -213,6 +213,8 @@ SECTIONS
*libarch.a:*esp_rom_cache_esp32s2_esp32s3.*(.text .text.* .literal .literal.*)
*libarch.a:*esp_rom_wdt.*(.text .text.* .literal .literal.*)
*libarch.a:*esp_efuse_fields.*(.text .text.* .literal .literal.*)
*libarch.a:*esp_efuse_utility.*(.text .text.* .literal .literal.*)
*libarch.a:*esp_efuse_startup.*(.text .text.* .literal .literal.*)
*libarch.a:*esp_efuse_api_key.*(.text .text.* .literal .literal.*)
*libarch.a:*log.*(.text .text.* .literal .literal.*)
*libarch.a:*log_lock.*(.literal .literal.* .text .text.*)
@@ -375,6 +377,9 @@ SECTIONS
*libarch.a:*esp_rom_wdt.*(.rodata .rodata.*)
*libarch.a:*esp_efuse_fields.*(.rodata .rodata.*)
*libarch.a:*esp_efuse_api_key.*(.rodata .rodata.*)
*libarch.a:*esp_efuse_utility.*(.rodata .rodata.*)
*libarch.a:*esp_efuse_startup.*(.rodata .rodata.*)
*libarch.a:*efuse_hal.*(.rodata .rodata.*)
*libarch.a:*log.*(.rodata .rodata.*)
*libarch.a:*log_noos.*(.rodata .rodata.*)
*libarch.a:*cpu_region_protect.*(.rodata .rodata.*)
@@ -475,19 +480,6 @@ SECTIONS
KEEP(*(.eh_frame))
. = (. + 3) & ~ 3;
/* C++ constructor and destructor tables, properly ordered: */
_sinit = ABSOLUTE(.);
KEEP (*crtbegin.o(.ctors))
KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
_einit = ABSOLUTE(.);
KEEP (*crtbegin.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
/* C++ exception handlers table: */
__XT_EXCEPTION_DESCS_ = ABSOLUTE(.);
@@ -508,6 +500,31 @@ SECTIONS
*(.gnu.linkonce.lit4.*)
_lit4_end = ABSOLUTE(.);
/* C++ constructor tables. Those are initialized by lib_cxx_initialize
* which calls constructor functions that may be on common source code.
*/
. = ALIGN(4);
_sinit = ABSOLUTE(.);
__init_array_start = ABSOLUTE(.);
KEEP (*(EXCLUDE_FILE (*crtend.* *crtbegin.*) .ctors SORT(.ctors.*)))
__init_array_end = ABSOLUTE(.);
_einit = ABSOLUTE(.);
/* Addresses of memory regions reserved via SOC_RESERVE_MEMORY_REGION() */
. = ALIGN(4);
soc_reserved_memory_region_start = ABSOLUTE(.);
KEEP (*(.reserved_memory_address))
soc_reserved_memory_region_end = ABSOLUTE(.);
/* System init functions registered via ESP_SYSTEM_INIT_FN */
. = ALIGN(4);
_esp_system_init_fn_array_start = ABSOLUTE(.);
KEEP (*(SORT_BY_INIT_PRIORITY(.esp_system_init_fn.*)))
_esp_system_init_fn_array_end = ABSOLUTE(.);
/* TLS data. */
. = ALIGN(4);