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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>
This commit is contained in:
Richard Henderson 2012-03-30 13:16:37 -04:00 committed by Aurelien Jarno
parent 0516867450
commit b316728836
1 changed files with 4 additions and 0 deletions
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4
target-mips/translate.c
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@ -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) {