Avi Kivity wrote:
> On 04/14/2010 03:11 PM, Jan Kiszka wrote:
>> When a fault triggers a task switch, the error code, if it exists, has
>> to be pushed on the new task's stack. Implement the missing bits.
>>
>>
>> @@ -2416,12 +2417,23 @@ static int emulator_do_task_switch(struct
>> x86_emulate_ctxt *ctxt,
>> ops->set_cached_descriptor(&next_tss_desc, VCPU_SREG_TR, ctxt->vcpu);
>> ops->set_segment_selector(tss_selector, VCPU_SREG_TR, ctxt->vcpu);
>>
>> + if (ret == X86EMUL_CONTINUE&& has_error_code) {
>> + struct decode_cache *c =&ctxt->decode;
>> +
>> + c->op_bytes = c->ad_bytes = (next_tss_desc.type& 8) ? 4 : 2;
>>
>
> Don't these depend on the attributes of the segment as well?
Not on the segment, but actually on the gate size. Will fix.
Jan
--
Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux
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