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core: fix unaligned access

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without this, there could be unaligned access of __flash_lpfw_start
variable in system_hibernate function which causes exception.

BUG=none
BRANCH=none
TEST=make buildall, able to enter/exit EC hibernate

Change-Id: I6c0400fd88f3b815a42a70c2983a8f8ecd79b398
Signed-off-by: Divya Sasidharan <divya.s.sasidharan@intel.com>
Signed-off-by: Kevin K Wong <kevin.k.wong@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/331653
Reviewed-by: Mulin Chao <mlchao@nuvoton.com>
Reviewed-by: Shawn N <shawnn@chromium.org>
This commit is contained in:
Kevin K Wong
2016-03-02 11:16:51 -08:00
committed by chrome-bot
parent d0523f15d2
commit 1102e46ecf
1 changed files with 2 additions and 0 deletions
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2
core/cortex-m/ec.lds.S
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@@ -93,9 +93,11 @@ SECTIONS
STRINGIFY(OUTDIR/core/CORE/init.o) (.text)
*(.text*)
#ifdef CONFIG_EXTERNAL_STORAGE
. = ALIGN(4);
__flash_lpfw_start = .;
/* Entering deep idle FW for better power consumption */
KEEP(*(.lowpower_ram))
. = ALIGN(4);
__flash_lpfw_end = .;
} > CDRAM AT > FLASH
#else