From fe98dd31eb9fe055703e0171134b4d074558d4e9 Mon Sep 17 00:00:00 2001 From: Matt Fleming Date: Thu, 20 Aug 2009 17:00:21 +0100 Subject: sh: Setup the frame pointer in handle_interrupt When CONFIG_DWARF_UNWINDER is enabled setup r14 in handle_interrupt, so that we can figure out what function was running when we were interrupted. Signed-off-by: Matt Fleming --- arch/sh/kernel/cpu/sh3/entry.S | 2 ++ 1 file changed, 2 insertions(+) (limited to 'arch/sh/kernel') diff --git a/arch/sh/kernel/cpu/sh3/entry.S b/arch/sh/kernel/cpu/sh3/entry.S index 67ad6467c69..f89ec87e3fc 100644 --- a/arch/sh/kernel/cpu/sh3/entry.S +++ b/arch/sh/kernel/cpu/sh3/entry.S @@ -508,6 +508,8 @@ ENTRY(handle_interrupt) bsr save_regs ! needs original pr value in k3 mov #-1, k2 ! default vector kept in k2 + setup_frame_reg + ! Setup return address and jump to do_IRQ mov.l 4f, r9 ! fetch return address lds r9, pr ! put return address in pr -- cgit v1.2.3