From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keir Fraser <keir@xensource.com>
Subject: Re: [PATCH] [Firmware] TCG BIOS extensions for the
	Bochs BIOS
Date: Fri, 08 Dec 2006 09:24:31 +0000
Message-ID: <C19EDFCF.5B88%keir@xensource.com>
References: <1165529063.16628.9.camel@lt2.watson.ibm.com>
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To: Stefan Berger <stefanb@us.ibm.com>, Xen-devel <xen-devel@lists.xensource.com>
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On 7/12/06 22:04, "Stefan Berger" <stefanb@us.ibm.com> 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