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-rw-r--r--c/src/lib/libbsp/powerpc/mcp750/irq/irq_asm.S7
1 files changed, 7 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/powerpc/mcp750/irq/irq_asm.S b/c/src/lib/libbsp/powerpc/mcp750/irq/irq_asm.S
index 47c8850510..3d09c16c15 100644
--- a/c/src/lib/libbsp/powerpc/mcp750/irq/irq_asm.S
+++ b/c/src/lib/libbsp/powerpc/mcp750/irq/irq_asm.S
@@ -212,6 +212,13 @@ nested:
*/
stmw r16, GPR16_OFFSET(r1)
addi r3, r1, 0x8
+ /*
+ * compute SP at exception entry
+ */
+ addi r2, r1, EXCEPTION_FRAME_END
+ /*
+ * store it at the right place
+ */
bl _ISR_Signals_to_thread_executing
/*
* start restoring exception like frame