From 8d45ae83523ae29fc05c6a3f7af3d863e3af18e7 Mon Sep 17 00:00:00 2001
From: Richard Henderson <rth@twiddle.net>
Date: Fri, 30 Mar 2012 13:16:37 -0400
Subject: mips-linux-user: Always support rdhwr.

The kernel will emulate this instruction if it's not supported
natively.  This insn is used for TLS, among other things, and
so is required by modern glibc.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Cc: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
(cherry picked from commit b3167288367f79754b74ad933146e37938ebff13)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
---
 target-mips/translate.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/target-mips/translate.c b/target-mips/translate.c
index cb6077d80..1f1d43488 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -8111,7 +8111,11 @@ gen_rdhwr (CPUMIPSState *env, DisasContext *ctx, int rt, int rd)
 {
     TCGv t0;
 
+#if !defined(CONFIG_USER_ONLY)
+    /* The Linux kernel will emulate rdhwr if it's not supported natively.
+       Therefore only check the ISA in system mode.  */
     check_insn(env, ctx, ISA_MIPS32R2);
+#endif
     t0 = tcg_temp_new();
 
     switch (rd) {
-- 
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