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arc: arm: fix support for MPUs on non-XIP systems

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The size of the ROM region is now rounded up to the
nearest power of two; we no longer assume that RAM
is in a different part of memory.

Fixes: #15558

Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
This commit is contained in:
Andrew Boie 2019-04-23 13:15:00 -07:00 • committed by Anas Nashif
commit ff1952cc44
2 changed files with 3 additions and 1 deletions
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3
include/arch/arc/v2/linker.ld
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@ -51,6 +51,7 @@
#endif
#else
#define MPU_MIN_SIZE_ALIGN
#define MPU_ALIGN(region_size) . = ALIGN(4)
#endif
#if defined(CONFIG_XIP)
@ -128,7 +129,7 @@ SECTIONS {
} GROUP_LINK_IN(ROMABLE_REGION)
_image_rodata_end = .;
MPU_MIN_SIZE_ALIGN
MPU_ALIGN(_image_rodata_end - _image_rom_start);
_image_rom_end = .;
_image_rom_size = _image_rom_end - _image_rom_start;