| Message ID | 1324160506-25183-3-git-send-email-rth@twiddle.net |
|---|---|
| State | New |
| Headers | show |
diff --git a/target-mips/translate.c b/target-mips/translate.c index b20a817..e2ee763 100644 --- a/target-mips/translate.c +++ b/target-mips/translate.c @@ -8118,7 +8118,11 @@ gen_rdhwr (CPUState *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) {
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> --- target-mips/translate.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-)