Re: [Xen-devel] [PATCH v10 3/6] Support for BIOS interrupt handler

[Stefan Berger <stefanb@xxxxxxxxxxxxxxxxxx>]

On 04/30/2015 09:21 AM, Xu, Quan wrote:
> Stefan,
>         Sorry to reply so late to you. I try to make it compatible with Xen 
> vTPM by below patch
> Against your serious of 
> patch(https://github.com/KevinOConnor/seabios/tree/tcg-testing ).
> Also I have tested this patch, which is working.
Thanks.



> ### >>> patch
> commit 2c556064695b0a979adb4039f13db1b29a19d3cf
> Author: Quan Xu <quan.xu@xxxxxxxxx>
> Date:   Thu Apr 30 19:43:04 2015 -0400
>
>      make SeaBios compatible with Xen vTPM.
>
>      Signed-off-by: Quan Xu <quan.xu@xxxxxxxxx>
>
> diff --git a/src/tcgbios.c b/src/tcgbios.c
> index c837ab6..4cda800 100644
> --- a/src/tcgbios.c
> +++ b/src/tcgbios.c
> @@ -23,7 +23,7 @@
>   #include "std/acpi.h"  // RSDP_SIGNATURE, rsdt_descriptor
>   #include "bregs.h" // struct bregs
>   #include "sha1.h" // sha1
> -
> +#include "fw/paravirt.h" // runningOnXen
>
>   static const u8 Startup_ST_CLEAR[2] = { 0x00, TPM_ST_CLEAR };
>   static const u8 Startup_ST_STATE[2] = { 0x00, TPM_ST_STATE };
> @@ -494,6 +494,8 @@ tpm_start(void)
>           return 0;
>
>       tpm_acpi_init();
> +    if (runningOnXen())
> +        return 0;
>
>       return tpm_startup();
>   }
>
> ### <<< patch
Kevin, I think this should be good to add after 3/6 ?

   Stefan


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