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authorRichard Henderson <rth@twiddle.net>2012-03-30 13:16:37 -0400
committerAurelien Jarno <aurelien@aurel32.net>2012-08-27 12:17:40 +0200
commitb3167288367f79754b74ad933146e37938ebff13 (patch)
treeaac3474fb8f0459386980fb344d0af09dedafea5
parent05168674505153a641c7bfddb691d2eda11d13d1 (diff)
downloadqemu-arm-b3167288367f79754b74ad933146e37938ebff13.tar.gz
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>
-rw-r--r--target-mips/translate.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/target-mips/translate.c b/target-mips/translate.c
index f740a08320..35624e9da1 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) {