On 07.10.2024 19:17, Andrew Cooper wrote:
> On 07/10/2024 1:56 pm, Jan Beulich wrote:
>> On 02.10.2024 17:27, Andrew Cooper wrote:
>>> --- /dev/null
>>> +++ b/xen/arch/x86/x86_emulate/decode-lite.c
>>> @@ -0,0 +1,311 @@
>>> +/* SPDX-License-Identifier: GPL-2.0-only */
>>> +
>>> +#include "private.h
On 07/10/2024 1:56 pm, Jan Beulich wrote:
> On 02.10.2024 17:27, Andrew Cooper wrote:
>> --- /dev/null
>> +++ b/xen/arch/x86/x86_emulate/decode-lite.c
>> @@ -0,0 +1,311 @@
>> +/* SPDX-License-Identifier: GPL-2.0-only */
>> +
>> +#include "private.h"
>> +
>> +#define Imm8 (1 << 0)
>> +#define Imm
On 02.10.2024 17:27, Andrew Cooper wrote:
> --- /dev/null
> +++ b/xen/arch/x86/x86_emulate/decode-lite.c
> @@ -0,0 +1,311 @@
> +/* SPDX-License-Identifier: GPL-2.0-only */
> +
> +#include "private.h"
> +
> +#define Imm8 (1 << 0)
> +#define Imm(1 << 1)
> +#define Moffs (1 << 2)
> +#define Bra
In order to relocate all IP-relative fields in an alternative replacement
block, we need to decode the instructions enough to obtain their length and
any relative fields.
Full x86_decode() is far too heavyweight, so introduce a minimal form which
can make several simplifying assumptions.
This a m
