Attention is currently required from: Angel Pons, Nikolai Artemiev, Sergii Dmytruk.
Hello build bot (Jenkins), Nico Huber, Edward O'Callaghan, Angel Pons, Anastasia Klimchuk, Sergii Dmytruk,
I'd like you to reexamine a change. Please visit
https://review.coreboot.org/c/flashrom/+/58480
to look at the new patch set (#38).
Change subject: flashchips,writeprotect_ranges: add range decoding function
......................................................................
flashchips,writeprotect_ranges: add range decoding function
Allow chips to specify functions that map status register bits to
protection ranges. These are used to enumerate available ranges and
determine the protection state of chips. The patch also adds a range
decoding function for the example chips. Many other chips can also be
handled by it, though some will require different functions (e.g.
MX25L6406 and related chips).
Another approach that has been tried in cros flashrom is maintaining
tables of range data, but it quickly becomes error prone and hard to
validate.
Using a function to interpret the ranges allows compact encoding with
most chips and is flexible enough to allow chips with less predictable
ranges to be handled as well.
BUG=b:195381327,b:153800563
TEST=dumped range tables, checked against datasheets
BRANCH=none
Change-Id: Id163ed80938a946a502ed116e48e8236e36eb203
Signed-off-by: Nikolai Artemiev <nartemiev(a)google.com>
---
M Makefile
M chipdrivers.h
M flash.h
M flashchips.c
M meson.build
A writeprotect_ranges.c
6 files changed, 106 insertions(+), 1 deletion(-)
git pull ssh://review.coreboot.org:29418/flashrom refs/changes/80/58480/38
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Gerrit-Project: flashrom
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Gerrit-Change-Id: Id163ed80938a946a502ed116e48e8236e36eb203
Gerrit-Change-Number: 58480
Gerrit-PatchSet: 38
Gerrit-Owner: Nikolai Artemiev <nartemiev(a)google.com>
Gerrit-Reviewer: Anastasia Klimchuk <aklm(a)chromium.org>
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Attention is currently required from: Angel Pons, Nikolai Artemiev, Sergii Dmytruk.
Hello build bot (Jenkins), Nico Huber, Edward O'Callaghan, Angel Pons, Anastasia Klimchuk, Sergii Dmytruk,
I'd like you to reexamine a change. Please visit
https://review.coreboot.org/c/flashrom/+/58480
to look at the new patch set (#37).
Change subject: flashchips,writeprotect_ranges: add range decoding function
......................................................................
flashchips,writeprotect_ranges: add range decoding function
Allow chips to specify functions that map status register bits to
protection ranges. These are used to enumerate available ranges and
determine the protection state of chips. The patch also adds a range
decoding function for the example chips. Many other chips can also be
handled by it, though some will require different functions (e.g.
MX25L6406 and related chips).
Another approach that has been tried in cros flashrom is maintaining
tables of range data, but it quickly becomes error prone and hard to
validate.
Using a function to interpret the ranges allows compact encoding with
most chips and is flexible enough to allow chips with less predictable
ranges to be handled as well.
BUG=b:195381327,b:153800563
TEST=dumped range tables, checked against datasheets
BRANCH=none
Change-Id: Id163ed80938a946a502ed116e48e8236e36eb203
Signed-off-by: Nikolai Artemiev <nartemiev(a)google.com>
---
M Makefile
M chipdrivers.h
M flash.h
M flashchips.c
M meson.build
A writeprotect_ranges.c
6 files changed, 106 insertions(+), 1 deletion(-)
git pull ssh://review.coreboot.org:29418/flashrom refs/changes/80/58480/37
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Hello build bot (Jenkins),
I'd like you to reexamine a change. Please visit
https://review.coreboot.org/c/flashrom/+/61897
to look at the new patch set (#4).
Change subject: libflashrom,linux_mtd: add linux_mtd writeprotect support
......................................................................
libflashrom,linux_mtd: add linux_mtd writeprotect support
BUG=b:182223106
TEST=make
BRANCH=none
Change-Id: I5c86e28cdec44bec49ba1d36f8ab62241b9b01da
Signed-off-by: Nikolai Artemiev <nartemiev(a)google.com>
---
M libflashrom.c
M linux_mtd.c
M programmer.h
3 files changed, 126 insertions(+), 16 deletions(-)
git pull ssh://review.coreboot.org:29418/flashrom refs/changes/97/61897/4
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Gerrit-Change-Id: I5c86e28cdec44bec49ba1d36f8ab62241b9b01da
Gerrit-Change-Number: 61897
Gerrit-PatchSet: 4
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Attention is currently required from: Edward O'Callaghan, Nikolai Artemiev, Sergii Dmytruk.
Hello build bot (Jenkins), Nico Huber, Edward O'Callaghan, Angel Pons, Anastasia Klimchuk, Sergii Dmytruk,
I'd like you to reexamine a change. Please visit
https://review.coreboot.org/c/flashrom/+/58479
to look at the new patch set (#35).
Change subject: libflashrom,writeprotect: add functions for reading/writing WP configs
......................................................................
libflashrom,writeprotect: add functions for reading/writing WP configs
New functions are exposed through the libflashrom API for
reading/writing chip's WP settins: `flashrom_wp_{read,write}_cfg()`.
They read/write an opaque `struct flashrom_wp_cfg` instance, which
includes the flash protection range and status register protection mode.
This commit also adds `{read,write}_wp_bits()` helper functions that
read/write chip-specific WP configuration bits.
BUG=b:195381327,b:153800563
TEST=flashrom --wp-{enable,disable,range,list,status} at end of patch series
BRANCH=none
Change-Id: I3ad25708c3321b8fb0216c3eaf6ffc07616537ad
Signed-off-by: Nikolai Artemiev <nartemiev(a)google.com>
---
M libflashrom.c
M libflashrom.h
M writeprotect.c
M writeprotect.h
4 files changed, 363 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/flashrom refs/changes/79/58479/35
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Hello build bot (Jenkins), Nico Huber, Edward O'Callaghan, Angel Pons, Anastasia Klimchuk, Sergii Dmytruk,
I'd like you to reexamine a change. Please visit
https://review.coreboot.org/c/flashrom/+/58477
to look at the new patch set (#30).
Change subject: flash.h,flashchips.c: add writeprotect bit layout map to chips
......................................................................
flash.h,flashchips.c: add writeprotect bit layout map to chips
This patch adds a register bit map `struct reg_bit_info`, with fields
for storing the register, bit index, and writability of each bit that
affects the chip's write protection. This allows writeprotect code to be
independent of the register layout of any specific chip. The new fields
have been filled out for example chips.
The representation is centered around describing how bits can be
accessed and modified, rather than the layout of registers. This is
generally easier to work with in code that needs to access specific bits
and typically requires specifying the locations of fewer bits overall.
BUG=b:195381327,b:153800563
TEST=flashrom --wp-{enable,disable,range,list,status} at end of patch series
BRANCH=none
Change-Id: Id08d77e6d4ca5109c0d698271146d026dbc21284
Signed-off-by: Nikolai Artemiev <nartemiev(a)google.com>
---
M flash.h
M flashchips.c
M writeprotect.h
3 files changed, 73 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/flashrom refs/changes/77/58477/30
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Gerrit-Change-Number: 58477
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Hello build bot (Jenkins), Nico Huber, Edward O'Callaghan, Angel Pons, Anastasia Klimchuk, Sergii Dmytruk,
I'd like you to reexamine a change. Please visit
https://review.coreboot.org/c/flashrom/+/58481
to look at the new patch set (#41).
Change subject: libflashrom,writeprotect: add flashrom_wp_get_available_ranges()
......................................................................
libflashrom,writeprotect: add flashrom_wp_get_available_ranges()
Generate list of available ranges by enumerating all possible values
that range bits (BPx, TB, ...) can take and using the chip's range
decoding function to get the range that is selected by each one.
BUG=b:195381327,b:153800563
TEST=flashrom --wp-list
BRANCH=none
Change-Id: Id51f038f03305c8536d80313e52f77d27835f34d
Signed-off-by: Nikolai Artemiev <nartemiev(a)google.com>
---
M libflashrom.c
M libflashrom.h
M writeprotect.c
M writeprotect.h
4 files changed, 285 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/flashrom refs/changes/81/58481/41
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Hello build bot (Jenkins), Edward O'Callaghan, Daniel Campello, Peter Marheine,
I'd like you to reexamine a change. Please visit
https://review.coreboot.org/c/flashrom/+/59532
to look at the new patch set (#3).
Change subject: tests: Add test for extract operation
......................................................................
tests: Add test for extract operation
WORK IN PROGRESS needs migrating to libflashrom
Change-Id: I13107c0e095d53184e32a41fa72227cf7dc1d449
Signed-off-by: Anastasia Klimchuk <aklm(a)chromium.org>
---
M tests/chip.c
M tests/tests.c
M tests/tests.h
3 files changed, 27 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/flashrom refs/changes/32/59532/3
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