Re: [Xen-devel] what does "See 3B 23.2.1 Table 23-1" mean?

[Dietmar Hahn <dietmar.hahn@xxxxxxxxxxxxxx>]

Am Montag 06 Mai 2013, 10:03:29 schrieb yandong han:
> hi,all
> when I read xen source code ,I find
> 
> 
> 
>         switch ( vector )
>         {
>         case TRAP_debug:
>             /*
>              * Updates DR6 where debugger can peek (See 3B 23.2.1,
>              * Table 23-1, "Exit Qualification for Debug Exceptions").
>              */
>             exit_qualification = __vmread(EXIT_QUALIFICATION);
>             write_debugreg(6, exit_qualification | 0xffff0ff0);
>             if ( !v->domain->debugger_attached || cpu_has_monitor_trap_flag
> )
>                 goto exit_and_crash;
>             domain_pause_for_debugger();
>             break;
> 
> 
> what does  "See 3B 23.2.1 Table 23-1" mean?

Intel 64  and IA-32 Architectures Software Developerâs Manual
Volume 3B: System Programming Guide, Part 2

Maybe the chapter/table number has changed in newer document versions.


Dietmar.


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