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mips-linux-user: Always support rdhwr.

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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) {