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[Xen-devel] [PATCH] [Firmware] TCG BIOS extensions for the Bochs BIOS
| To: | Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] [PATCH] [Firmware] TCG BIOS extensions for the Bochs BIOS |
| From: | Stefan Berger <stefanb@xxxxxxxxxx> |
| Date: | Thu, 07 Dec 2006 17:04:23 -0500 |
| Delivery-date: | Thu, 07 Dec 2006 14:04:35 -0800 |
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This patch adds an implementation of the TCG BIOS extensions to the 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_PCClientImplementationforBIOS_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. The implementation passes the tests implemented in a newer version of trusted grub (available through the trousers project on sourceforge). Signed-off-by: Stefan Berger <stefanb@xxxxxxxxxx>
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