masayuki2009 commented on a change in pull request #2061:
URL: https://github.com/apache/incubator-nuttx/pull/2061#discussion_r511236136
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File path: arch/arm/src/armv7-r/arm_vectors.S
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@@ -890,9 +890,9 @@ arm_vectorfiq:
mov fp, #0 /* Init frame
pointer */
mov r0, sp /* Get r0=xcp */
-#if CONFIG_ARCH_INTERRUPTSTACK > 3
+#if CONFIG_ARCH_INTERRUPTSTACK > 7
ldr sp, .Lfiqstackbase /* SP = interrupt stack
base */
- str r0, [sp] /* Save the
user stack pointer */
+ str r0, [sp, #-8]! /* Save the xcp address
at SP-8 then update SP */
Review comment:
Yes and done
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