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Change subject: soc/amd/*: PSP verstage minbuild
......................................................................
Patch Set 2:
(1 comment)
Commit Message:
https://review.coreboot.org/c/coreboot/+/59585/comment/b048bf27_d7c1d46f
PS2, Line 9: The PSP that is supplied for Picasso AMD-based chromebooks currently
: requires a psp_verstage to boot
> :( this seems unfortunate. […]
i have a non-chromebook picasso apu on my mandolin board and it doesn't require (or support) verstage on psp. definitely boots without verstage
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Change subject: soc: Add dram information to cbmem
......................................................................
Patch Set 6:
(1 comment)
File src/soc/qualcomm/common/qclib.c:
https://review.coreboot.org/c/coreboot/+/59195/comment/340b9cef_751639d0
PS5, Line 174: mem_chip_info
> Julius, […]
Since CB isn't passing data into QcLib, would it be better to pass NULL (address) and 0 (size) as the parameters to qclib_add_if_table_entry()? Would this be less confusing?
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Change subject: soc: Add dram information to cbmem
......................................................................
Patch Set 6:
(1 comment)
File src/soc/qualcomm/common/qclib.c:
https://review.coreboot.org/c/coreboot/+/59195/comment/825f60ff_9bb107ac
PS5, Line 174: mem_chip_info
> This pointer is still NULL here, how is this supposed to work? The global variable needs to be an ac […]
Julius,
This is correct as we have written it, though it may not be what you are expecting.
The call to qclib_add_if_table_entry() is required to add the MEM_CHIP_INFO table entry, which is important so QcLib can actually fill in the address/size and mark the entry as dirty so it gets written back after the QcLib call.
Note that what is important here is the table entry, not the data in the table entry. Each table entry contains an address and a size, as well as the flag field that indicates the buffer is dirty and needs to be saved. If CB was passing data to QcLib, you are correct that this would be a problem as written. The buffer used is allocated by QcLib in a region that is visible to CB (SMEM) and the DDR code performing the initialization. A buffer allocated by CB and passed to QcLib may not be accessible by the DDR code. In this case QcLib does not use the data passed in for this entry and uses the table entry to provide valid data back to CB.
If you look at the write-back function I think you will see it is using the address/size passed back from QcLib to allocate the CBMEM buffer and then copy actual data to the CBMEM buffer.
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Change subject: Documentation: Add template for deprecation notices
......................................................................
Patch Set 2: Code-Review+1
(4 comments)
File Documentation/releases/templates.md:
https://review.coreboot.org/c/coreboot/+/59677/comment/450d48d4_a9f8d490
PS2, Line 6: down the road (must cover at least 6 months from
: the release that comes with the notice) some part of coreboot
I feel like there is missing something before/after the brackets.
https://review.coreboot.org/c/coreboot/+/59677/comment/32ee2d0c_7dbefda3
PS2, Line 10: helps keep
helps *to* keep
https://review.coreboot.org/c/coreboot/+/59677/comment/1b1885fd_1f61e4ce
PS2, Line 11: improving
improve
https://review.coreboot.org/c/coreboot/+/59677/comment/d7d8affa_310f3239
PS2, Line 47: #### Call to action
Add new line here
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Change subject: src/security/vboot: Set up secure counter space in TPM NVRAM
......................................................................
Patch Set 6: Code-Review+1
(1 comment)
File src/security/vboot/Kconfig:
https://review.coreboot.org/c/coreboot/+/59476/comment/b1fe1b70_81c41950
PS6, Line 289: Entities that
: use these counters increment them in the first use-case
"first use-case"? I think I would remove the sentence.
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Change subject: src/security/vboot: Set up secure counter space in TPM NVRAM
......................................................................
Patch Set 6:
(1 comment)
File src/security/vboot/secure_counter.h:
https://review.coreboot.org/c/coreboot/+/59476/comment/b5fdf012_1af07c01
PS1, Line 11: 0x100f
> Is this a google specific or cr50 specific number? Should we pass these in via a Kconfig instead?
Defined the indices in a use-case specific way. Also a config item has been defined to configure the use-case.
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Change subject: rules.h, thread.h, lib/cbfs: Add ENV_STAGE_SUPPORTS_COOP
......................................................................
Patch Set 1:
(2 comments)
File src/include/rules.h:
https://review.coreboot.org/c/coreboot/+/59550/comment/a5ba2858_9369d4bd
PS1, Line 306: ENV_X86
> Why check this explicitly? It currently only works on x86 but that's already modeled by the Kconfig, […]
My goal is to remove `(ENV_RAMSTAGE || ENV_ROMSTAGE)` eventually. I need to do some analysis on why the threading code isn't getting garbage collected when nothing calls it. But once I get rid of the stage requirement this means we can use threading in verstage, so I need the ENV_X86 guard to account for PSP verstage.
https://review.coreboot.org/c/coreboot/+/59550/comment/101ea79a_512fb94a
PS1, Line 306: ENV_ROMSTAGE
> I just realized there may be a bit of an issue with preloading in romstage in combination with VBOOT […]
When cbfs_preload executes it stores a copy of the rdev. This should in theory be the "RO" rdev. Once _cbfs_alloc gets called it will get the "RW" rdev. Is there metadata in the rdevs we can compare? We could then just throw out the preload if it didn't match.
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Change subject: src/security/vboot: Set up secure counter space in TPM NVRAM
......................................................................
Patch Set 6:
(4 comments)
File src/security/vboot/Kconfig:
https://review.coreboot.org/c/coreboot/+/59476/comment/c9d6286f_0e47ca15
PS4, Line 289: Setup
> Set up
Done
File src/security/vboot/antirollback.h:
https://review.coreboot.org/c/coreboot/+/59476/comment/6dac73fa_26334582
PS3, Line 32: 0x100f
> What about moving this a bit away from the other indices so it can grow on its own when necessary? M […]
Done
File src/security/vboot/antirollback.h:
https://review.coreboot.org/c/coreboot/+/59476/comment/3d966f86_744b578e
PS2, Line 39: SECURE_COUNTER1_NV_INDEX
> Well, they aren't really (I think?), counters are part of the TPM 2.0 standard.
Please refer below discussion. Marking it as resolved for now.
https://review.coreboot.org/c/coreboot/+/59476/comment/85c27d55_f78e9c77
PS2, Line 42: #define SECURE_COUNTER4_NV_INDEX 0x1012
> Not really sure what you mean by cr50 specific. […]
Since any index can be picked, this is not Cr50 specific.
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Change subject: Documentation: Add template for deprecation notices
......................................................................
Set Ready For Review
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Hello build bot (Jenkins), Andrey Pronin, Raul Rangel, Julius Werner, Yu-Ping Wu,
I'd like you to reexamine a change. Please visit
https://review.coreboot.org/c/coreboot/+/59476
to look at the new patch set (#6).
Change subject: src/security/vboot: Set up secure counter space in TPM NVRAM
......................................................................
src/security/vboot: Set up secure counter space in TPM NVRAM
High Definition (HD) protected content playback requires secure counters
that are updated at regular interval while the protected content is
playing. To support similar use-cases, define space for secure counters
in TPM NVRAM and initialize them. These counters are defined once during
the factory initialization stage. Also add
VBOOT_DEFINE_WIDEVINE_COUNTERS config item to enable these secure
counters only on the mainboard where they are required/used.
BUG=b:205261728
TEST=Build and boot to OS in guybrush. Ensure that the secure counters
are defined successfully in TPM NVRAM space.
tlcl_define_space: response is 0
tlcl_define_space: response is 0
tlcl_define_space: response is 0
tlcl_define_space: response is 0
On reboot if forced to redefine the space, it is identified as already
defined.
tlcl_define_space: response is 14c
define_space():219: define_space: Secure Counter space already exists
tlcl_define_space: response is 14c
define_space():219: define_space: Secure Counter space already exists
tlcl_define_space: response is 14c
define_space():219: define_space: Secure Counter space already exists
tlcl_define_space: response is 14c
define_space():219: define_space: Secure Counter space already exists
Change-Id: I915fbdada60e242d911b748ad5dc28028de9b657
Signed-off-by: Karthikeyan Ramasubramanian <kramasub(a)google.com>
---
M src/security/vboot/Kconfig
M src/security/vboot/antirollback.h
M src/security/vboot/secdata_tpm.c
3 files changed, 42 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/76/59476/6
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