Ouss4 commented on a change in pull request #2504:
URL: https://github.com/apache/incubator-nuttx/pull/2504#discussion_r540167805
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File path: arch/xtensa/src/common/xtensa_int_handlers.S
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@@ -187,6 +187,29 @@ g_intstackbase:
and a6, a6, a3 /* a6 = Set of
pending, enabled interrupts for this level */
beqz a6, 1f /* Nothing to
do */
+ /* At this point, the exception frame should have been allocated and filled,
+ * and current sp points to the interrupt stack (if enabled). Copy the
+ * pre-exception's base save area below the current SP.
+ */
+
+#ifdef CONFIG_XTENSA_INTBACKTRACE
+ rsr a0, EXCSAVE_1 + \level - 1 /* Get exception frame pointer stored in
EXCSAVE_x */
Review comment:
@xiaoxiang781216 this one is already merged, I'll submit another one
some time during this week to fix some style issues.
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