[coreboot-gerrit] Change in coreboot[master]: libpayload: Implement reading from CBMEM console

[Yu-Ping Wu (Code Review)]

Hello Julius Werner, Hung-Te Lin, build bot (Jenkins),

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/37667

to look at the new patch set (#4).

Change subject: libpayload: Implement reading from CBMEM console
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libpayload: Implement reading from CBMEM console

To support showing CBMEM logs on recovery screen, add a function
cbmem_console_snapshot() to copy the CBMEM console to an allocated
buffer. Non-printable characters are automatically replaced with '?' to
ensure the returned string is printable.

BRANCH=none
BUG=b:146105976
TEST=emerge-nami libpayload

Change-Id: Ie324055f5fd8276f1d833fc9d04f60a792dbb9f6
Signed-off-by: Yu-Ping Wu 
---
M payloads/libpayload/drivers/cbmem_console.c
M payloads/libpayload/include/libpayload.h
2 files changed, 47 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/67/37667/4