>>> On 02.02.18 at 14:29, wrote:
> On 07/12/17 14:07, Jan Beulich wrote:
>> --- a/tools/tests/x86_emulator/x86-emulate.c
>> +++ b/tools/tests/x86_emulator/x86-emulate.c
>> @@ -120,6 +120,19 @@ int emul_test_read_cr(
>> return X86EMUL_UNHANDLEABLE;
>> }
>>
>> +int emul_test_read_xcr(
>> +
On 07/12/17 14:07, Jan Beulich wrote:
> --- a/tools/tests/x86_emulator/x86-emulate.c
> +++ b/tools/tests/x86_emulator/x86-emulate.c
> @@ -120,6 +120,19 @@ int emul_test_read_cr(
> return X86EMUL_UNHANDLEABLE;
> }
>
> +int emul_test_read_xcr(
> +unsigned int reg,
> +uint64_t *val,
>
Use hooks, just like done for other special purpose registers.
This includes moving XCR0 checks from hvmemul_get_fpu() to the emulator
itself as well as adding support for XGETBV emulation.
For now fuzzer reads will obtain the real values (minus the fuzzing of
the hook pointer itself).
Signed-of
