Difference between revisions of "Coreinfo"
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== Building coreinfo == | == Building coreinfo == | ||
| − | [[libpayload]] and coreinfo are in the '''payloads/''' directory of the coreboot tree. If you have already checked out the tree, you can skip the | + | [[libpayload]] and coreinfo are in the '''payloads/''' directory of the coreboot tree. If you have already checked out the tree, you can skip the git clone steps below. |
=== libpayload === | === libpayload === | ||
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The coreinfo payload uses [[libpayload]], thus you need to get that first and build it: | The coreinfo payload uses [[libpayload]], thus you need to get that first and build it: | ||
| − | $ ''' | + | $ '''git clone http://review.coreboot.org/p/coreboot''' |
| − | $ '''cd libpayload''' | + | $ '''cd coreboot/payloads/libpayload''' |
$ '''make menuconfig''' | $ '''make menuconfig''' | ||
$ '''make install''' | $ '''make install''' | ||
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You can then get coreinfo itself and build it: | You can then get coreinfo itself and build it: | ||
| − | $ '''cd | + | $ '''cd coreboot/payloads/coreinfo''' |
| − | + | ||
| − | + | ||
$ '''make menuconfig''' | $ '''make menuconfig''' | ||
$ '''make''' | $ '''make''' | ||
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Finally, you have to build coreboot with coreinfo as payload: | Finally, you have to build coreboot with coreinfo as payload: | ||
| − | $ ''' | + | $ '''cp coreboot/payloads/coreinfo/build/coreinfo.elf coreboot/payload.elf''' |
| − | + | ||
| − | + | ||
$ '''cd coreboot''' | $ '''cd coreboot''' | ||
$ '''make menuconfig''' | $ '''make menuconfig''' | ||
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== Running coreinfo in QEMU == | == Running coreinfo in QEMU == | ||
| − | For running coreboot+coreinfo image in [[QEMU]], you need | + | For running coreboot+coreinfo image in [[QEMU]], you need |
| + | |||
| + | 1 Previously described steps (build coreboot image for QEMU) | ||
| + | |||
| + | 2 Patched version of '''vgabios-cirrus.bin''' in your '''build''' directory: | ||
$ '''cd build''' | $ '''cd build''' | ||
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You can now run coreinfo in [[QEMU]]: | You can now run coreinfo in [[QEMU]]: | ||
| − | $ qemu -L build -hda /dev/zero -serial stdio | + | $ qemu-system-i386 -L build -hda /dev/zero -serial stdio |
== Ready-made coreinfo QEMU image == | == Ready-made coreinfo QEMU image == | ||
Latest revision as of 18:41, 20 March 2013
coreinfo is a small informational payload for coreboot. Currently, it can display CPU information, PCI information, coreboot table information, show an NVRAM dump, as well as a RAM dump.
Contents |
[edit] Screenshots
CPU info
PCI info
coreboot table
NVRAM dump
RAM dump
[edit] Building coreinfo
libpayload and coreinfo are in the payloads/ directory of the coreboot tree. If you have already checked out the tree, you can skip the git clone steps below.
[edit] libpayload
The coreinfo payload uses libpayload, thus you need to get that first and build it:
$ git clone http://review.coreboot.org/p/coreboot $ cd coreboot/payloads/libpayload $ make menuconfig $ make install
[edit] coreinfo
You can then get coreinfo itself and build it:
$ cd coreboot/payloads/coreinfo $ make menuconfig $ make
The file build/coreinfo.elf is your final coreinfo payload which you can use with coreboot, either on real hardware or in a QEMU image.
[edit] coreboot
Finally, you have to build coreboot with coreinfo as payload:
$ cp coreboot/payloads/coreinfo/build/coreinfo.elf coreboot/payload.elf $ cd coreboot $ make menuconfig
Now enter the Payload menu and select Payload type and then An ELF executable payload file. Then, exit the menu, save your settings, and build coreboot:
$ make
The file build/coreboot.rom is your final coreboot image, which also contains the coreinfo payload.
[edit] Running coreinfo in QEMU
For running coreboot+coreinfo image in QEMU, you need
1 Previously described steps (build coreboot image for QEMU)
2 Patched version of vgabios-cirrus.bin in your build directory:
$ cd build $ wget http://www.coreboot.org/images/0/0d/Vgabios-cirrus.zip $ unzip Vgabios-cirrus.zip $ cd ..
You can now run coreinfo in QEMU:
$ qemu-system-i386 -L build -hda /dev/zero -serial stdio
[edit] Ready-made coreinfo QEMU image
If you don't want to build libpayload, coreinfo, and coreboot from source, you can also use the ready-made coreinfo QEMU image by following the instructions on that page.
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