Re: [PATCH v3 0/1] MR7009: ntdll: Emulate mrs xN, CurrentEL instructions.

[Dmitry Timoshkov (＠dmitry)]

Dmitry Timoshkov (@dmitry) commented about dlls/ntdll/unix/signal_arm64.c:
> static void ill_handler( int signal, siginfo_t *siginfo, void *sigcontext )
>  {
>      EXCEPTION_RECORD rec = { EXCEPTION_ILLEGAL_INSTRUCTION };
> +    ucontext_t *context = sigcontext;
> +
> +    if (!(PSTATE_sig( context ) & 0x10) && /* AArch64 (not WoW) */
> +        !(PC_sig( context ) & 3))
> +    {
> +        ULONG instr = *(ULONG *)PC_sig( context );
> +        /* emulate mrs xN, CurrentEL */
> +        if ((instr & ~0x1f) == 0xd5384240) {
> +            ULONG reg = inst & 0x1f;
> Probably should be 'ULONG reg = instr & 0x1f'?

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https://gitlab.winehq.org/wine/wine/-/merge_requests/7009#note_91315