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Eshan Kelkar 7887df98b3 ichspi.c: Bug fix for ich_hwseq_get_flash_id 
In ich_hwseq_get_flash_id, flash_id_to_entry would return
address of a structure present in flashchips array
corresponding to provided manufacture_id and model_id.
If this function returns NULL and if we don't return
after printing the warning using msg_pwarn, we'll be
dereferencing a NULL pointer, hence the return in that
if is provided.

Change-Id: I35c112cd032e3b94e30c347766764392d5bbfe3d
Signed-off-by: Eshan Kelkar <eshangalorithm@gmail.com>
Signed-off-by: Anastasia Klimchuk <aklm@flashrom.org>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/71872
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nikolai Artemiev <nartemiev@google.com>
2023-06-21 02:02:05 +00:00
.github/workflows
Close GitHub PRs and issues automatically
2022-04-28 02:01:50 +00:00
bindings/rust
rust: Add license and other metadata to Cargo.toml
2023-01-12 23:26:01 +00:00
doc
doc: Add intro to the home page
2023-06-11 09:33:17 +00:00
Documentation
doc: Convert build documentation to sphinx
2023-04-27 09:41:58 +00:00
include
flashchips: add support for ISSI IS25LP016
2023-06-16 01:16:47 +00:00
Makefile.d
libpci: drop support for pciutils < 2.2.0
2023-03-10 15:54:52 +00:00
meson_cross
meson_cross: Introduce meson cross file for DJGPP/DOS
2023-04-27 09:41:27 +00:00
platform
meson: Refactor the programmer selection
2022-09-12 07:15:03 +00:00
scripts
tests: Add llvm-cov option and run target for code coverage
2022-12-11 21:27:27 +00:00
subprojects
Revert "cmocka: Drop as meson subproject"
2022-09-08 06:27:10 +00:00
tests
tests/chip_wp.c: Allow for logging during test
2023-05-09 07:44:00 +00:00
util
git-hooks: echo back the commit message on failure
2023-05-26 10:40:36 +00:00
.gitattributes
bindings/rust/libflashrom-sys: Create thin rust bindgen binding
2022-08-19 04:37:21 +00:00
.gitignore
move manpage to sphinx
2023-03-01 09:40:52 +00:00
82802ab.c
tree/: Convert unlock func ptr into enumerate values
2023-03-20 00:36:56 +00:00
amd_imc.c
amd_imc.c: Fix unusual typo in log message
2022-12-22 14:03:37 +00:00
asm106x.c
tree/: Drop default_spi_probe_opcode for NULL case
2023-03-03 17:35:50 +00:00
at45db.c
tree/: Case write_granularity enum values
2023-04-06 05:15:03 +00:00
atahpt.c
parallel: Drop explicit fallback_chip_X boilerplate
2023-01-11 22:51:35 +00:00
atapromise.c
parallel: Drop explicit fallback_chip_X boilerplate
2023-01-11 22:51:35 +00:00
atavia.c
printf: Use inttype.h macros for format strings
2023-04-27 09:36:46 +00:00
bitbang_spi.c
tree/: Drop default_spi_probe_opcode for NULL case
2023-03-03 17:35:50 +00:00
board_enable.c
printf: Use inttype.h macros for format strings
2023-04-27 09:36:46 +00:00
buspirate_spi.c
buspirate: Add option for setting the aux pin
2023-04-13 09:41:13 +00:00
cbtable.c
printf: Use inttype.h macros for format strings
2023-04-27 09:36:46 +00:00
ch341a_spi.c
ch341a_spi: drop validation of handle in routines
2023-04-13 09:33:29 +00:00
ch347_spi.c
tree/: Drop default_spi_probe_opcode for NULL case
2023-03-03 17:35:50 +00:00
chipset_enable.c
chipset_enable.c: Drop _LARGEFILE64_SOURCE
2023-05-22 00:43:44 +00:00
cli_classic.c
printf: Use inttype.h macros for format strings
2023-04-27 09:36:46 +00:00
cli_common.c
flash.h: extend struct tested with .wp field
2022-10-23 22:00:23 +00:00
cli_getopt.c
cli_classic: include a fallback inplementation of getopt
2023-04-27 09:31:49 +00:00
cli_output.c
libflashrom: Return progress state to the library user
2022-05-25 08:08:13 +00:00
COPYING
Add a dedicated license
2007-09-08 14:36:01 +00:00
custom_baud_darwin.c
serial: Add Darwin/macOS support for custom and >230400 baudrates
2023-02-16 17:29:58 +00:00
custom_baud_linux.c
serial: Call set_custom_baudrate() thrice
2023-02-16 17:29:21 +00:00
custom_baud.c
serial: Call set_custom_baudrate() thrice
2023-02-16 17:29:21 +00:00
dediprog.c
tree/: Drop default_spi_probe_opcode for NULL case
2023-03-03 17:35:50 +00:00
developerbox_spi.c
drivers/: Make 'fallback_{un}map' the default unless defined
2022-10-08 18:36:21 +00:00
digilent_spi.c
tree/: Drop default_spi_probe_opcode for NULL case
2023-03-03 17:35:50 +00:00
dirtyjtag_spi.c
tree/: Drop default_spi_probe_opcode for NULL case
2023-03-03 17:35:50 +00:00
dmi.c
dmi.c: Pass is_laptop by ref into dmi
2023-03-28 00:36:36 +00:00
Doxyfile
libflashrom: Move documentation to header
2022-05-06 01:00:37 +00:00
drkaiser.c
parallel: Drop explicit fallback_chip_X boilerplate
2023-01-11 22:51:35 +00:00
dummyflasher.c
printf: Use inttype.h macros for format strings
2023-04-27 09:36:46 +00:00
edi.c
tree: provide flashrom context into programmer_delay()
2022-10-17 01:00:35 +00:00
en29lv640b.c
tree: provide flashrom context into programmer_delay()
2022-10-17 01:00:35 +00:00
erasure_layout.c
erasure_layout: Simplify include paths
2023-05-22 00:46:47 +00:00
flashchips.c
flashchips: add support for ISSI IS25LP016
2023-06-16 01:16:47 +00:00
flashrom.c
programmer: Use correct type for flashbase
2023-05-23 00:52:44 +00:00
fmap.c
tree/: Convert flashchip read func ptr to enumerate
2022-11-01 01:16:26 +00:00
ft2232_spi.c
tree/: Drop default_spi_probe_opcode for NULL case
2023-03-03 17:35:50 +00:00
gfxnvidia.c
printf: Use inttype.h macros for format strings
2023-04-27 09:36:46 +00:00
helpers_fileio.c
flashrom.c: Move write_buf_to_file() to helpers_fileio.c
2022-08-25 00:25:41 +00:00
helpers.c
helpers.c: use unsigned int for bit shifts (ASAN)
2022-03-21 02:11:02 +00:00
hwaccess_physmap.c
libpayload: Fix compiling bugs
2022-11-23 06:53:09 +00:00
hwaccess_x86_io.c
hwaccess_x86_io: Improve IO permission error messages
2023-05-29 00:35:53 +00:00
hwaccess_x86_msr.c
hwaccess_x86_msr: drop outdated comment
2022-04-13 11:47:25 +00:00
i2c_helper_linux.c
tree: Port programmers to pass programmer_cfg to extractors
2022-09-07 01:56:58 +00:00
ich_descriptors.c
printf: Use inttype.h macros for format strings
2023-04-27 09:36:46 +00:00
ichspi.c
ichspi.c: Bug fix for ich_hwseq_get_flash_id
2023-06-21 02:02:05 +00:00
internal_par.c
internal: Move parallel logic into internal_par implementation
2023-02-15 06:28:41 +00:00
internal.c
internal: Move laptop_ok into board_cfg
2023-04-06 04:43:29 +00:00
it87spi.c
tree/: Drop default_spi_probe_opcode for NULL case
2023-03-03 17:35:50 +00:00
it8212.c
parallel: Drop explicit fallback_chip_X boilerplate
2023-01-11 22:51:35 +00:00
jedec.c
printf: Use inttype.h macros for format strings
2023-04-27 09:36:46 +00:00
jlink_spi.c
jlink_spi: add cs=tms option to jlink_spi programmer
2023-05-14 07:25:25 +00:00
known_boards.c
print.c: Move list of known boards to known_boards.c
2022-08-29 00:21:48 +00:00
layout.c
printf: Use inttype.h macros for format strings
2023-04-27 09:36:46 +00:00
libflashrom.c
fmap: ignore areas with zero size
2023-03-14 10:40:02 +00:00
libflashrom.map
libflashrom.map: Add missing functions from libflashrom.h
2022-06-15 05:42:50 +00:00
linux_mtd.c
linux_mtd: Mark Opaque chip as tested for WP
2022-11-21 01:27:03 +00:00
linux_spi.c
tree/: Drop default_spi_probe_opcode for NULL case
2023-03-03 17:35:50 +00:00
MAINTAINERS
Revert "MAINTAINERS: Add Arthur Heymans for sb600spi"
2023-06-19 11:15:22 +00:00
Makefile
Makefile: Fix DirtyJTAG build
2023-06-19 11:21:33 +00:00
Makefile.include
Makefile: Build man-page only when sphinx is available
2023-05-10 03:02:07 +00:00
mcp6x_spi.c
printf: Use inttype.h macros for format strings
2023-04-27 09:36:46 +00:00
mediatek_i2c_spi.c
tree/: Drop default_spi_probe_opcode for NULL case
2023-03-03 17:35:50 +00:00
meson_options.txt
meson_options.txt: Unquote true
2023-05-19 08:15:14 +00:00
meson.build
meson.build: enable jlink_spi by default
2023-05-19 09:04:20 +00:00
mstarddc_spi.c
tree/: Drop default_spi_probe_opcode for NULL case
2023-03-03 17:35:50 +00:00
ni845x_spi.c
ni845x_spi: Fix signed - unsigned comparisons
2023-05-15 05:33:57 +00:00
nic3com.c
parallel: Drop explicit fallback_chip_X boilerplate
2023-01-11 22:51:35 +00:00
nicintel_eeprom.c
printf: Use inttype.h macros for format strings
2023-04-27 09:36:46 +00:00
nicintel_spi.c
drivers/: Make 'fallback_{un}map' the default unless defined
2022-10-08 18:36:21 +00:00
nicintel.c
parallel: Drop explicit fallback_chip_X boilerplate
2023-01-11 22:51:35 +00:00
nicnatsemi.c
parallel: Drop explicit fallback_chip_X boilerplate
2023-01-11 22:51:35 +00:00
nicrealtek.c
parallel: Drop explicit fallback_chip_X boilerplate
2023-01-11 22:51:35 +00:00
ogp_spi.c
drivers/: Make 'fallback_{un}map' the default unless defined
2022-10-08 18:36:21 +00:00
opaque.c
opaque_master: Add shutdown function in opaque_master struct
2021-08-17 16:30:46 +00:00
parade_lspcon.c
tree/: Drop default_spi_probe_opcode for NULL case
2023-03-03 17:35:50 +00:00
parallel.c
parallel: Drop explicit fallback_chip_X boilerplate
2023-01-11 22:51:35 +00:00
pcidev.c
Revert "pcidev: remove pcidev_getdevfn() function"
2023-03-20 14:36:27 +00:00
pickit2_spi.c
tree/: Drop default_spi_probe_opcode for NULL case
2023-03-03 17:35:50 +00:00
pony_spi.c
tree/: Rename 'internal_delay()' to 'default_delay()'
2022-12-12 23:00:58 +00:00
print_wiki.c
flashrom: rewrite flashbuses_to_text()
2023-04-24 13:30:12 +00:00
print.c
flashrom: rewrite flashbuses_to_text()
2023-04-24 13:30:12 +00:00
printlock.c
tree/: Convert unlock func ptr into enumerate values
2023-03-20 00:36:56 +00:00
processor_enable.c
Remove address from GPLv2 headers
2018-04-24 20:21:41 +00:00
programmer_table.c
ch347_spi: Add initial support for the WCH CH347
2023-02-27 10:13:01 +00:00
programmer.c
parallel: Drop explicit fallback_chip_X boilerplate
2023-01-11 22:51:35 +00:00
raiden_debug_spi.c
tree/: Drop default_spi_probe_opcode for NULL case
2023-03-03 17:35:50 +00:00
rayer_spi.c
rayer_spi.c: Get rid of temporary prog_type string
2022-10-22 00:45:30 +00:00
README.rst
README: Extract instructions for meson and make into separate docs
2023-05-23 09:33:08 +00:00
realtek_mst_i2c_spi.c
tree/: Drop default_spi_probe_opcode for NULL case
2023-03-03 17:35:50 +00:00
s25f.c
printf: Use inttype.h macros for format strings
2023-04-27 09:36:46 +00:00
satamv.c
printf: Use inttype.h macros for format strings
2023-04-27 09:36:46 +00:00
satasii.c
printf: Use inttype.h macros for format strings
2023-04-27 09:36:46 +00:00
sb600spi.c
printf: Use inttype.h macros for format strings
2023-04-27 09:36:46 +00:00
serial.c
serial: Add Darwin/macOS support for custom and >230400 baudrates
2023-02-16 17:29:58 +00:00
serprog.c
tree/: Drop default_spi_probe_opcode for NULL case
2023-03-03 17:35:50 +00:00
sfdp.c
printf: Use inttype.h macros for format strings
2023-04-27 09:36:46 +00:00
spi25_statusreg.c
flashrom: Use WP-based unlocking on opaque masters
2023-05-09 07:43:23 +00:00
spi25.c
printf: Use inttype.h macros for format strings
2023-04-27 09:36:46 +00:00
spi95.c
printf: Use inttype.h macros for format strings
2023-04-27 09:36:46 +00:00
spi.c
tree/: Drop default_spi_probe_opcode for NULL case
2023-03-03 17:35:50 +00:00
sst28sf040.c
tree: provide flashrom context into programmer_delay()
2022-10-17 01:00:35 +00:00
sst49lfxxxc.c
Remove address from GPLv2 headers
2018-04-24 20:21:41 +00:00
sst_fwhub.c
Fix -Wsign-compare trouble
2019-07-31 08:26:59 +00:00
stlinkv3_spi.c
tree/: Drop default_spi_probe_opcode for NULL case
2023-03-03 17:35:50 +00:00
stm50.c
tree: provide flashrom context into programmer_delay()
2022-10-17 01:00:35 +00:00
superio.c
internal.c: Move sio register to own object
2023-02-04 04:09:04 +00:00
test_build.sh
ch347_spi: Add initial support for the WCH CH347
2023-02-27 10:13:01 +00:00
udelay.c
tree/: Rename 'internal_delay()' to 'default_delay()'
2022-12-12 23:00:58 +00:00
usb_device.c
usb_device.c: remove LIBUSB() wrapper around call that may fail
2023-04-23 12:29:05 +00:00
usbblaster_spi.c
tree/: Drop default_spi_probe_opcode for NULL case
2023-03-03 17:35:50 +00:00
usbdev.c
usbdev.c: Add missing <inttypes.h> include
2019-10-22 23:24:16 +00:00
VERSION
meson make: use VERSION file
2023-05-07 08:36:39 +00:00
w29ee011.c
flashrom.c: Make 'chip_to_probe' a param to probe_flash()
2022-11-06 23:30:33 +00:00
w39.c
tree: provide flashrom context into programmer_delay()
2022-10-17 01:00:35 +00:00
wbsio_spi.c
board_enables: Allow for prog cfg coupling with board cfg
2023-04-02 01:00:13 +00:00
writeprotect_ranges.c
writeprotect_ranges.c: add more range functions
2022-11-19 06:59:30 +00:00
writeprotect.c
writeprotect: Add function to get register values and WP bit masks
2023-03-03 05:52:20 +00:00

README.rst 

flashrom README
===============

flashrom is a utility for detecting, reading, writing, verifying and erasing
flash chips. It is often used to flash BIOS/EFI/coreboot/firmware images
in-system using a supported mainboard, but it also supports flashing of network
cards (NICs), SATA controller cards, and other external devices which can
program flash chips.

It supports a wide range of flash chips (most commonly found in SOIC8, DIP8,
SOIC16, WSON8, PLCC32, DIP32, TSOP32, and TSOP40 packages), which use various
protocols such as LPC, FWH, parallel flash, or SPI.

Do not use flashrom on laptops (yet)! The embedded controller (EC) present in
many laptops might interact badly with any attempts to communicate with the
flash chip and may brick your laptop.

Please make a backup of your flash chip before writing to it.

Please see the flashrom(8) manpage :doc:`classic_cli_manpage`.


Building / installing / packaging
---------------------------------

flashrom supports building with **make** and **meson**.

TLDR, building with meson
"""""""""""""""""""""""""

::

    meson setup builddir
    meson compile -C builddir
    meson install -C builddir

For full detailed instructions, follow the information in
:doc:`dev_guide/building_from_source`

TLDR, building with make
""""""""""""""""""""""""

::

	make
	make install

For full detailed instructions, follow the information in
:doc:`dev_guide/building_with_make`

Contact
-------

The official flashrom website is:

  https://www.flashrom.org/

Available contact methods are

  https://www.flashrom.org/Contact
Description
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