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Add option to read ROM layout from IFD

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Add an option --ifd to read the ROM layout from an Intel Firmware
Descriptor (IFD). Works the same as the -l option, if given, -i
specifies the images to update.

v2: o Rebased on libflashrom, use libflashrom interface.
    o Use functions from ich_descriptors.c.

v3: o Move ich_descriptors.o to LIB_OBJS, thus build it independent
      of arch and programmers.
    o Bail out if we aren't compiled for little endian.
    o Update flashrom.8.tmpl.

v4: o Incorporated David's comments.
    o Removed single-character `-d` option.

v5: Changed region names to match the output of `ifdtool --layout ...`

Change-Id: Ifafff2bf6d5c5e62283416b3269723f81fdc0fa3
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/17953
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Nico Huber
2013-06-14 11:55:26 +02:00
committed by Nico Huber
parent ad18631b59
commit 305f417ea5
11 changed files with 195 additions and 25 deletions
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20
flashrom.8.tmpl
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@ -48,8 +48,8 @@ flashrom \- detect, read, write, verify and erase flash chips
\fB\-p\fR <programmername>[:<parameters>]
[\fB\-E\fR|\fB\-r\fR <file>|\fB\-w\fR <file>|\fB\-v\fR <file>] \
[\fB\-c\fR <chipname>]
[\fB\-l\fR <file> [\fB\-i\fR <image>]] [\fB\-n\fR] [\fB\-N\fR] \
[\fB\-f\fR]]
[(\fB\-l\fR <file>|\fB\-\-ifd\fR) [\fB\-i\fR <image>]] \
[\fB\-n\fR] [\fB\-N\fR] [\fB\-f\fR]]
[\fB\-V\fR[\fBV\fR[\fBV\fR]]] [\fB-o\fR <logfile>]
.SH DESCRIPTION
.B flashrom
@ -195,6 +195,22 @@ To update only the images named
.sp
Overlapping sections are not supported.
.TP
.B "\-\-ifd"
Read ROM layout from Intel Firmware Descriptor.
.sp
flashrom supports ROM layouts given by an Intel Firmware Descriptor
(IFD). The on-chip descriptor will be read and used to generate the
layout. If you need to change the layout, you have to update the IFD
only first.
.sp
The following ROM images may be present in an IFD:
.sp
fd the IFD itself
bios the host firmware aka. BIOS
me Intel Management Engine firmware
gbe gigabit ethernet firmware
pd platform specific data
.TP
.B "\-i, \-\-image <imagename>"
Only flash region/image
.B <imagename>