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[PATCH] tpm: add bios measurement log

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According to the TCG specifications measurements or hashes of the BIOS code
and data are extended into TPM PCRS and a log is kept in an ACPI table of
these extensions for later validation if desired.  This patch exports the
values in the ACPI table through a security-fs seq_file.

Signed-off-by: Seiji Munetoh <[email protected]>
Signed-off-by: Stefan Berger <[email protected]>
Signed-off-by: Reiner Sailer <[email protected]>
Signed-off-by: Kylene Hall <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Kylene Jo Hall 2006-01-08 01:03:15 -08:00 • committed by Linus Torvalds
commit 55a82ab318
5 changed files with 531 additions and 0 deletions
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2
drivers/acpi/osl.c
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@ -204,11 +204,13 @@ acpi_os_map_memory(acpi_physical_address phys, acpi_size size,
return AE_OK;
}
EXPORT_SYMBOL_GPL(acpi_os_map_memory);
void acpi_os_unmap_memory(void __iomem * virt, acpi_size size)
{
iounmap(virt);
}
EXPORT_SYMBOL_GPL(acpi_os_unmap_memory);
#ifdef ACPI_FUTURE_USAGE
acpi_status