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xen-devel
Re: [Xen-devel] vTPM on HVM Xen 3.1.2
Hello,
I succeeded in using vTPM (TPM Emulator) on HVM Xen (unstable xen 3.2.0 rc2).
I can confirm the working of the IMA-Linux kernel on vTPM.
# I wanted to use vTPM on HVM Xen(STABLE 3.1.2) but it didn't work well.
## Special thanks to yasaki@fujitsu. The sucess is owed a lot to him.
However the TCG-BIOS has NOT worked well. I enabled "BX_TCGBIOS" for
"rombios.c" but there was NOT a log in "/sys/kernel/security/tpm0/".
Please tell me how to enable TCG-BIOS.
I wonder the version of GCC (4.2.3) is correct for the compile, because
the treatment of NULL and 0 looks to be changed.
Our test environment and the change of options are follows.
----------------------------------------------------------------
# Test Enviroment
- Debian lenny
- gcc gcc version 4.2.3 20071123 (prerelease) (Debian 4.2.2-4)
- libc libc6 2.7-3
- Xen unstable xen 3.2.0 rc2
# Change of options
- Config.mk
VTPM_TOOLS was enalbed (y)
- tools/vtpm_manager/Rules.mk
DUMMY_TPM was enabled
- tools/firmware/rombios/rombios.c
BX_TCGBIOS was enabled (1)
- tools/ioemu/hw/tpm_tis.c
DEBUG_TPM was defined
- tools/vtpm/vtpm/tpm/tpm_emulator.h
TPM_STRONG_PERSISTENCE was defined
----------------------------------------------------------------
------
suzaki
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