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author | Randall Spangler <rspangler@chromium.org> | 2016-08-26 16:01:16 -0700 |
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committer | Patrick Georgi <pgeorgi@google.com> | 2016-09-20 21:50:27 +0200 |
commit | aa1d314ac2febafc5243266b420ff57b280621c5 (patch) | |
tree | 4aac4d5f9225c16385e9a5474c327db95c60b356 /.gitreview | |
parent | 57bfbb0508e81c338696539f051ce04f4ba5393d (diff) |
vboot/vbnv_flash: Binary search to find last used entry
This improves the previous linear search to O(log n). No change in
storage format.
BUG=chromium:640656
BRANCH=none
TEST=Manual
(test empty)
flashrom -i RW_NVRAM -e
Reboot; device should boot normally.
(start using records)
crossystem kern_nv=0xaab0
crossystem recovery_request=1 && reboot
Device should go into recovery mode with reason 1
Reboot again; it should boot normally.
crossystem kern_nv (should still contain 0xaab0)
Repeat steps several times with request=2, 3, etc.
flashrom -i RW_NVRAM -r nvdata
Modify nvdata to copy the first record across all valid
records
flashrom -i RW_NVRAM -w nvdata
Reboot; device should boot normally.
Change-Id: Ieb97563ab92bd1d18a4f6a9e1d20157efe311fb4
Signed-off-by: Martin Roth <martinroth@chromium.org>
Original-Commit-Id: db9bb2d3927ad57270d7acfd42cf0652102993b1
Original-Change-Id: I1eb5fd9fa6b2ae56833f024bcd3c250147bcc7a1
Original-Signed-off-by: Randall Spangler <rspangler@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/376928
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/16577
Tested-by: build bot (Jenkins)
Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Diffstat (limited to '.gitreview')
0 files changed, 0 insertions, 0 deletions