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Merge pull request #2530 from qz721/libcpu_cortex_a

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Disable the data alignment check.
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Bernard Xiong 2019-04-01 17:43:19 +08:00 committed by GitHub
commit 238c93468f
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1 changed files with 5 additions and 0 deletions
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5
libcpu/arm/cortex-a/start_gcc.S
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@ -51,6 +51,11 @@ _reset:
/* set the cpu to SVC32 mode and disable interrupt */ /* set the cpu to SVC32 mode and disable interrupt */
cps #Mode_SVC cps #Mode_SVC
/* disable the data alignment check */
mrc p15, 0, r1, c1, c0, 0
bic r1, #(1<<1)
mcr p15, 0, r1, c1, c0, 0
/* setup stack */ /* setup stack */
bl stack_setup bl stack_setup