[GitHub] [incubator-nuttx] masayuki2009 commented on a change in pull request #2061: Refactor arm interrupt stack related code

[GitBox]

masayuki2009 commented on a change in pull request #2061:
URL: https://github.com/apache/incubator-nuttx/pull/2061#discussion_r510671222



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File path: arch/arm/src/arm/arm_vectors.S
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@@ -132,7 +132,8 @@ arm_vectorirq:
 
 #if CONFIG_ARCH_INTERRUPTSTACK > 3
        ldr     sp, .Lirqstackbase      /* SP = interrupt stack base */
-       str     r0, [sp]                /* Save the user stack pointer */
+       sub     sp, #4                          /* Adjust SP (minus 4-byte 
offset) */
+       str     r0, [sp]                        /* Save the xcp address */

Review comment:
       Done
   




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