masayuki2009 commented on a change in pull request #2061:
URL: https://github.com/apache/incubator-nuttx/pull/2061#discussion_r510671335
##########
File path: arch/arm/src/c5471/c5471_vectors.S
##########
@@ -162,7 +162,8 @@ arm_vectorirq:
#if CONFIG_ARCH_INTERRUPTSTACK > 3
ldr sp, .Lirqstackbase /* SP = interrupt stack base */
- str r1, [sp] /* Save the user stack pointer */
+ sub sp, #4 /* Adjust SP (minus 4-byte offset) */
+ str r1, [sp] /* Save the xcp address */
Review comment:
Done
##########
File path: arch/arm/src/armv7-r/arm_vectors.S
##########
@@ -179,9 +179,10 @@ arm_vectorirq:
mov fp, #0 /* Init frame
pointer */
mov r0, sp /* Get r0=xcp */
-#if CONFIG_ARCH_INTERRUPTSTACK > 3
+#if CONFIG_ARCH_INTERRUPTSTACK > 7
ldr sp, .Lirqstackbase /* SP = interrupt stack
base */
- 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:
Done
##########
File path: arch/arm/src/armv7-r/arm_vectors.S
##########
@@ -890,9 +891,10 @@ 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 */
+ sub sp, #8 /* Adjust SP
(minus 8-byte offset) */
+ str r0, [sp] /* Save the xcp
address */
Review comment:
Done
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