Re: [Xen-devel] [PATCH] [Firmware] TCG BIOS extensions for the Bochs BIOS

[Keir Fraser <keir@xxxxxxxxxxxxx>]

On 7/12/06 22:04, "Stefan Berger" <stefanb@xxxxxxxxxx> wrote:

> Bochs BIOS and enables logging of boot measurements using the previously
> implemented support for TCPA ACPI tables. A low-level driver for a TPM
> TIS device and an Atmel device is provided.
> 
> The implemented specification is described here:
> 
> https://www.trustedcomputinggroup.org/specs/PCClient/TCG_PCClientImplementatio
> nforBIOS_1-20_1-00.pdf
> 
> I added a #define 'BX_TCGBIOS' to rombios.c that enables or disables
> these extensions. It's currently disabled so none of the code is
> compiled into the BIOS.

Is there a good reason for it being implemented almost entirely in assembly
language?

 -- Keir


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