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Re: [Qemu-arm] [Qemu-devel] [PATCH v11 25/29] target/arm: [tcg] Port to
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From: |
Richard Henderson |
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Subject: |
Re: [Qemu-arm] [Qemu-devel] [PATCH v11 25/29] target/arm: [tcg] Port to tb_stop |
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Date: |
Sat, 1 Jul 2017 18:45:33 -0700 |
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Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.0 |
On 06/28/2017 06:57 AM, Lluís Vilanova wrote:
- if (max_insns > TCG_MAX_INSNS) {
- max_insns = TCG_MAX_INSNS;
+ if ((dc->base.tb->cflags & CF_LAST_IO) && dc->condjmp) {
+ /* FIXME: This can theoretically happen with self-modifying code. */
+ cpu_abort(cpu, "IO on conditional branch instruction");
}
...
- gen_io_end();
+ if (dc->base.tb->cflags & CF_LAST_IO && dc->condjmp) {
+ /* FIXME: This can theoretically happen with self-modifying code. */
+ cpu_abort(cpu, "IO on conditional branch instruction");
Two copies of this code... sequentially, apparently?
r~
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Richard Henderson <=