| Message ID | 1333127797-8133-3-git-send-email-rth@twiddle.net |
|---|---|
| State | New |
| Headers | show |
On Fri, Mar 30, 2012 at 01:16:37PM -0400, Richard Henderson wrote: > 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> > --- > target-mips/translate.c | 4 ++++ > 1 files changed, 4 insertions(+), 0 deletions(-) > > diff --git a/target-mips/translate.c b/target-mips/translate.c > index 300d95e..ed28ca8 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) { Thanks, applied.
diff --git a/target-mips/translate.c b/target-mips/translate.c index 300d95e..ed28ca8 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) {
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> --- target-mips/translate.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-)