diff options
| -rw-r--r-- | docs/gnulinux/grub_cbfs.md | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/docs/gnulinux/grub_cbfs.md b/docs/gnulinux/grub_cbfs.md index 5283b4fc..b0d7b0e3 100644 --- a/docs/gnulinux/grub_cbfs.md +++ b/docs/gnulinux/grub_cbfs.md @@ -152,19 +152,17 @@ used by coreboot native graphics initialization. I'll choose **x200_8mb_usqwerty_vesafb.rom**; I'll copy the file (to the `cbfstool` directory), and rename it with one command: - $ mv "x200_8mb_usqwerty_vesafb.rom" ../cbfstool/x86_64/cbfstool/x86_64/libreboot.rom + $ mv "x200_8mb_usqwerty_vesafb.rom" ../cbfstool/x86_64/libreboot.rom #### 2. Create an Image from the Current ROM The simpler way to get a ROM image is to just create it from your current ROM, using `flashrom`, making sure to save it in the `cbfstool` folder, inside **libreboot\_util**: - $ sudo flashrom -p internal -r ~/Downloads/libreboot_util/cbfstool/\ - >x86_64/cbfstool/x86_64/libreboot.rom + $ sudo flashrom -p internal -r ~/Downloads/libreboot_util/cbfstool/x86_64/libreboot.rom If you are told to specify the chip, add the option `-c {your chip}` to the command, like this: - $ sudo flashrom -c MX25L6405 -p internal -r ~/Downloads/libreboot_util/\ - >cbfstool/x86_64/cbfstool/x86_64/libreboot.rom + $ sudo flashrom -c MX25L6405 -p internal -r ~/Downloads/libreboot_util/cbfstool/x86_64/libreboot.rom Now you are ready to extract the GRUB configuration files from the ROM, and modify them the way you want. @@ -173,7 +171,7 @@ Now you are ready to extract the GRUB configuration files from the ROM, and modi You can check the contents of the ROM image, inside CBFS, using `cbfstool`. First, navigate to the cbfstool folder: - $ cd ~/Downloads/libreboot_util/cbfstool/x86_64/cbfstool/x86_64/ + $ cd ~/Downloads/libreboot_util/cbfstool/x86_64/ Then, run the `cbfstool` commmand, with the `print` option; this will display a list of all the files located in the ROM: @@ -243,8 +241,7 @@ the main storage for **/boot/grub/libreboot\_grub.cfg** or **/grub/libreboot\_gr Therefore, we need to either copy **libreboot\_grub.cfg** to **/grub**, or to **/boot/grub**: - $ sudo cp ~/Downloads/libreboot_util/cbfstool/x86_64/cbfstool/x86_64/grubtest.cfg \ - >/boot/grub # or /grub + $ sudo cp ~/Downloads/libreboot_util/cbfstool/x86_64/grubtest.cfg /boot/grub # or /grub Now, the next time we boot our computer, GRUB (in Libreboot) will automatically switch to this configuration file. *This means that you do not have to re-flash, @@ -354,7 +351,7 @@ of **grubtest.cfg**, called **grub.cfg**. First, go to the `cbfstool` directory: - $ cd ~/Downloads/libreboot_util/cbfstool/x86_64/cbfstool/x86_64/ + $ cd ~/Downloads/libreboot_util/cbfstool/x86_64/ Then, create a copy of **grubest.cfg**, named **grub.cfg**: |