From: Johnson, Douglas
Sent: Thursday, June 12, 2014 8:38 AM
To: [email protected]
Subject: trousers evaluation
I'm working on a project for a small embedded system that will have a TPM but
will not have an operating system. I'm trying to determine if Trousers will
work in that environment. The TPM is connected to an FPGA containing a 32 bit
processor using SPI. I'll write a driver conforming to the TCG PC
Client-Specific TPM Interface Specification. I don't need TCP/IP access. I
have flash, so I might have a filesystem. Single threaded operation is fine.
So my questions are:
Is trousers a reasonable starting point for me?
Can trousers be made to work without an OS?
What OS specific functions does trousers require?
What areas of the code contain OS specific functions?
Are there other software stacks that I should consider? (I have downloaded
tpmdd as an example driver.)
Regards,
Doug Johnson
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