henry del wrote on 2013-05-22:
>> We just expect tboot to be used together with VMM/Kernel with tboot
>> support. The tboot support should be confirmed before adding tboot to
>> the control flow. So we don't add any interface in Xen/Linux to
>> indicate the tboot support to tboot in the runtime.
>
> I see what you are conveying. So, it is possible for tboot to boot a
hypervisor
> (bitvisor), even though bitvisor does not support tboot. Nevertheless,
bitvisor
> still can not be booted by tboot. I also checked the log that tboot
produces
> when tboot is being loaded. The system always reboots after the log prints
out:
> no LCP module found, kernel is elf format. According to the tboot spec,
the log
> is expected to continue printing: transfering control to ...@0x... But it
does not
> and system begins to reboot.
> I wonder if the menuentry of tboot is configured right.
> menuentry 'Tboot, with Linux 3.2.2' --class ubuntu --class gnu-linux
--class
> gnu --class os {
> recordfail insmod ext2 set root='(hd0,6)' search --no-floppy
> --fs-uuid --set b99ce3bb-2938-44e9-8277-cc5c8f942e81 multiboot
> /boot/tboot.gz tboot.gz logging=serial,vga,memory module
> /boot/bitvisor.elf bitvisor.elf module /boot/vmlinuz-3.2.2
> vmlinuz-3.2.2 root=UUID=b99ce3bb-2938-44e9-8277-cc5c8f942e81 ro
> rootdelay=120 #multiboot /boot/bitvisor.elf bitvisor.elf
> #module (hd0)+6 module /boot/initrd.img-3.2.2 initrd.img-3.2.2
> module /boot/2nd_gen_i5_i7_SINIT_51.BIN
> 2nd_gen_i5_i7_SINIT_51.BIN #module /boot/list.data list.data
> }Which version of tboot are you using? Can you have a try with the upstream tboot code? Jimmy
smime.p7s
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