target/arm: Rebuild hflags at Xscale SCTLR writes
Continue setting, but not relying upon, env->hflags. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20191023150057.25731-20-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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@ -4174,6 +4174,16 @@ static void sctlr_write(CPUARMState *env, const ARMCPRegInfo *ri,
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/* ??? Lots of these bits are not implemented. */
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/* This may enable/disable the MMU, so do a TLB flush. */
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tlb_flush(CPU(cpu));
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if (ri->type & ARM_CP_SUPPRESS_TB_END) {
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/*
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* Normally we would always end the TB on an SCTLR write; see the
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* comment in ARMCPRegInfo sctlr initialization below for why Xscale
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* is special. Setting ARM_CP_SUPPRESS_TB_END also stops the rebuild
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* of hflags from the translator, so do it here.
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*/
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arm_rebuild_hflags(env);
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}
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}
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static CPAccessResult fpexc32_access(CPUARMState *env, const ARMCPRegInfo *ri,
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