mirror of https://github.com/xqemu/xqemu.git
microblaze: Trap if QEMU finds an unknown insns.
If PVR settings enable illegal insn trap, trap when QEMU finds an insn it knows nothing about. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
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@ -1144,6 +1144,12 @@ static void dec_fpu(DisasContext *dc)
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static void dec_null(DisasContext *dc)
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static void dec_null(DisasContext *dc)
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{
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{
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if ((dc->tb_flags & MSR_EE_FLAG)
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&& (dc->env->pvr.regs[2] & PVR2_ILL_OPCODE_EXC_MASK)) {
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tcg_gen_movi_tl(cpu_SR[SR_ESR], ESR_EC_ILLEGAL_OP);
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t_gen_raise_exception(dc, EXCP_HW_EXCP);
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return;
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}
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qemu_log ("unknown insn pc=%x opc=%x\n", dc->pc, dc->opcode);
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qemu_log ("unknown insn pc=%x opc=%x\n", dc->pc, dc->opcode);
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dc->abort_at_next_insn = 1;
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dc->abort_at_next_insn = 1;
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}
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}
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