Re: [tboot-devel] Confused about the TXT register values

2020-01-27 Thread Lukasz Hawrylko
On Fri, 2020-01-24 at 12:34 -0300, Martin Galvan wrote: > The TXT.STS values make more sense now, though the PCH DID is still > incorrect. Is there a way to check whether TXT is enabled other than > looking at SINIT.BASE and HEAP.BASE? Please look at txt_verify_platform() function in verify.c ther

Re: [tboot-devel] Confused about the TXT register values

2020-01-24 Thread Martin Galvan
I just ran the same tool on a Supermicro system which I'm positive has TXT, and am now seeing the following (with TXT disabled): Intel(r) TXT Configuration Registers: STS: 0x0002 senter_done: FALSE sexit_done: TRUE mem_config_lock: FALSE private_open: FALSE

Re: [tboot-devel] Confused about the TXT register values

2020-01-24 Thread Martin Galvan
El vie., 24 ene. 2020 a las 11:34, Lukasz Hawrylko () escribió: > I see that your SINIT.BASE and HEAP.BASE registers have all zeros, did > you enable TXT in BIOS? I guess that txt-stat may not check if TXT is > enabled before reading TXT related registers, that's why you can have > strange, random

Re: [tboot-devel] Confused about the TXT register values

2020-01-24 Thread Lukasz Hawrylko
On Thu, 2020-01-23 at 14:41 -0300, Martin Galvan wrote: > Hi all, > > I just ran txt-stat on a system which has an IceLake CPU and a 495 > Series PCH, and am seeing the following output: > > Intel(r) TXT Configuration Registers: > STS: 0x0003 > senter_done: TRUE > sexit_do

[tboot-devel] Confused about the TXT register values

2020-01-23 Thread Martin Galvan
Hi all, I just ran txt-stat on a system which has an IceLake CPU and a 495 Series PCH, and am seeing the following output: Intel(r) TXT Configuration Registers: STS: 0x0003 senter_done: TRUE sexit_done: TRUE mem_config_lock: FALSE private_open: FALSE