masayuki2009 commented on a change in pull request #2061:
URL: https://github.com/apache/incubator-nuttx/pull/2061#discussion_r510525031
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File path: arch/arm/src/armv7-a/arm_vectors.S
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@@ -261,7 +261,8 @@ arm_vectorirq:
/* Call arm_decodeirq() on the interrupt stack */
setirqstack r1, r3 /* SP = IRQ stack top */
- str r0, [sp] /* Save the
user stack pointer */
+ sub sp, #8 /* Adjust SP
(minus 8-byte offset) */
+ str r0, [sp] /* Save the xcp
address */
Review comment:
OK.
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