From: Leon Alrae <leon.alrae@imgtec.com>
Date: Mon, 16 Mar 2015 16:54:42 +0000 (+0000)
Subject: target-mips: fix CP0.BadVAddr by stopping translation on Address Error
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=62c688693bf2f0355fc5bad5dcc59c1cd2a51f1a;p=qemu.git

target-mips: fix CP0.BadVAddr by stopping translation on Address Error

CP0.BadVAddr is supposed to capture the most recent virtual address that caused
the exception. Currently this does not work correctly for unaligned instruction
fetch as translation is not stopped and CP0.BadVAddr is updated with subsequent
addresses.

Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
---

diff --git a/target-mips/translate.c b/target-mips/translate.c
index 9059bfd9f1..0e2443a032 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -18438,6 +18438,7 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
     if (ctx->pc & 0x3) {
         env->CP0_BadVAddr = ctx->pc;
         generate_exception_err(ctx, EXCP_AdEL, EXCP_INST_NOTAVAIL);
+        ctx->bstate = BS_STOP;
         return;
     }