[PATCH] x86: support APX forms of U{RD,WR}MSR

[Jan Beulich]

On 16.01.2024 09:19, Hu, Lin1 wrote:
>> @@ -3482,11 +3482,13 @@ eretu, 0xf30f01ca, FRED, NoSuf, {}
>> // USER_MSR instructions.
>>
>> urdmsr, 0xf20f38f8, USER_MSR, RegMem|NoSuf|NoRex64, { Reg64, Reg64  }
>> -urdmsr, 0xf2f8/0, USER_MSR, Modrm|Vex128|VexMap7|VexW0|NoSuf, { Imm32, Reg64  }
>> +urdmsr, 0xf2f8, USER_MSR&APX_F, RegMem|EVexMap4|VexW0|NoSuf, { Reg64, Reg64  }
>> +urdmsr, 0xf2f8/0, APX_F(USER_MSR), Modrm|Vex128|VexMap7|EVex128|VexW0|NoSuf,
>> { Imm32, Reg64  }
>> uwrmsr, 0xf30f38f8, USER_MSR, Modrm|NoSuf|NoRex64, { Reg64, Reg64  }
>> +uwrmsr, 0xf3f8, USER_MSR&APX_F, Modrm||EVexMap4|VexW0|NoSuf, { Reg64, Reg64  }
>> // Immediates want to be first; md_assemble() takes care of swapping operands
>> // accordingly.
>> -uwrmsr, 0xf3f8/0, USER_MSR, Modrm|Vex128|VexMap7|VexW0|NoSuf, { Imm32, Reg64  }
>> +uwrmsr, 0xf3f8/0, APX_F(USER_MSR), Modrm|Vex128|VexMap7|EVex128|VexW0|NoSuf,
>> { Imm32, Reg64  }
> 
> I think change the space name from VexMap7 to SpaceMap7 will be better.

Perhaps, but nothing I'd like to do right in this patch.

Jan