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[Qemu-devel] [PATCH] target-arm: Fix CP15 based WFI


From: Paul Brook
Subject: [Qemu-devel] [PATCH] target-arm: Fix CP15 based WFI
Date: Sun, 1 Jul 2012 20:59:37 +0100

The coprocessor register rework broke cp15 based WFI instructions.
We incorrectly fall through the normal register write case, which
incorrectly adds a forced block termination.  We've already done
a special version of this (DISAS_WFI), so return immediately.

Signed-off-by: Paul Brook <address@hidden>
---
 target-arm/translate.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target-arm/translate.c b/target-arm/translate.c
index a2a0ecd..f39b9ca 100644
--- a/target-arm/translate.c
+++ b/target-arm/translate.c
@@ -6236,7 +6236,7 @@ static int disas_coproc_insn(CPUARMState * env, 
DisasContext *s, uint32_t insn)
             }
             gen_set_pc_im(s->pc);
             s->is_jmp = DISAS_WFI;
-            break;
+            return 0;
         default:
             break;
         }
-- 
1.7.10




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