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Merge branch 'bugfix/prefetch_invalid_v3.3' into 'release/v3.3'

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soc: add dummy bytes to ensure instr prefetch always valid (v3.3)

See merge request espressif/esp-idf!12997
This commit is contained in:
Zim Kalinowski
2021-07-19 01:42:17 +00:00
parent 41676c779c 5b91a8173e
commit 700eee91ca
2 changed files with 16 additions and 0 deletions
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8
components/bootloader/subproject/main/esp32.bootloader.ld
View File

@@ -164,6 +164,14 @@ SECTIONS
*(.fini.literal)
*(.fini)
*(.gnu.version)
/** CPU will try to prefetch up to 16 bytes of
* of instructions. This means that any configuration (e.g. MMU, PMS) must allow
* safe access to up to 16 bytes after the last real instruction, add
* dummy bytes to ensure this
*/
. += 16;
_text_end = ABSOLUTE(.);
_etext = .;
} > iram_seg

8
components/esp32/ld/esp32.project.ld.in
View File

@@ -320,6 +320,14 @@ SECTIONS
*(.fini.literal)
*(.fini)
*(.gnu.version)
/** CPU will try to prefetch up to 16 bytes of
* of instructions. This means that any configuration (e.g. MMU, PMS) must allow
* safe access to up to 16 bytes after the last real instruction, add
* dummy bytes to ensure this
*/
. += 16;
_text_end = ABSOLUTE(.);
_etext = .;