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linker: riscv: Align .last_section

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Zephyr expects __rom_region_size to be aligned to 4, otherwise
assertion will fail.

This commit alignes last_section which results in aligned
__rom_region_size.

Signed-off-by: Franciszek Pindel <fpindel@internships.antmicro.com>
This commit is contained in:
Franciszek Pindel 2023-09-29 08:47:06 +02:00 committed by Johan Hedberg
parent c47b7f7936
commit e1647e35c0
1 changed files with 4 additions and 0 deletions
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4
include/zephyr/arch/riscv/common/linker.ld
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@ -396,6 +396,10 @@ SECTION_PROLOGUE(.last_section,,)
/* Fill last section with a word to ensure location counter and actual rom
* region data usage match. */
LONG(CONFIG_LINKER_LAST_SECTION_ID_PATTERN)
/* __rom_region_size is used when configuring the PMP entry of the ROM region.
* Addresses (pmpaddr) in PMP registers need to be aligned to 4. Align
* __rom_region_size to 4 to meet that requirement. */
MPU_MIN_SIZE_ALIGN
#endif
} GROUP_LINK_IN(ROMABLE_REGION)