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build: fix cache issue when .flash.text section alignment is uncommon

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rodata dummy section has now the same alignment as flash text section,
and at least the same size. For these reasons, the cache will map
correctly the following rodata section.
This commit is contained in:
Omar Chebib 2021-03-23 11:23:52 +08:00
parent b603a0bea0
commit 56fe28fb23
2 changed files with 20 additions and 2 deletions
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11
components/esp32c3/ld/esp32c3.project.ld.in
View File

@ -237,9 +237,18 @@ SECTIONS
_flash_cache_start = ABSOLUTE(0);
} > default_code_seg
/**
* This dummy section represents the .flash.text section but in default_rodata_seg.
* Thus, it must have its alignement and (at least) its size.
*/
.flash_rodata_dummy (NOLOAD):
{
. = SIZEOF(.flash.text);
/* Start at the same alignement constraint than .flash.text */
. = ALIGN(ALIGNOF(.flash.text));
/* Create an empty gap as big as .flash.text section */
. = . + SIZEOF(.flash.text);
/* Prepare the alignement of the section above. Few bytes (0x20) must be
* added for the mapping header. */
. = ALIGN(0x10000) + 0x20;
_rodata_reserved_start = .;
} > default_rodata_seg

11
components/esp32s3/ld/esp32s3.project.ld.in
View File

@ -268,9 +268,18 @@ SECTIONS
_flash_cache_start = ABSOLUTE(0);
} > default_code_seg
/**
* This dummy section represents the .flash.text section but in default_rodata_seg.
* Thus, it must have its alignement and (at least) its size.
*/
.flash_rodata_dummy (NOLOAD):
{
. = SIZEOF(.flash.text);
/* Start at the same alignement constraint than .flash.text */
. = ALIGN(ALIGNOF(.flash.text));
/* Create an empty gap as big as .flash.text section */
. = . + SIZEOF(.flash.text);
/* Prepare the alignement of the section above. Few bytes (0x20) must be
* added for the mapping header. */
. = ALIGN(0x10000) + 0x20;
_rodata_reserved_start = .;
} > default_rodata_seg