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Diffstat (limited to 'mkroot/README.root')
| -rw-r--r-- | mkroot/README.root | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/mkroot/README.root b/mkroot/README.root new file mode 100644 index 00000000..c50d728c --- /dev/null +++ b/mkroot/README.root @@ -0,0 +1,18 @@ +Use ./run-qemu.sh to boot system image to a shell prompt, "exit" when done. + +Additional arguments to run-qemu.sh are QEMU arguments, +$KARGS contains additional linux kernel arguments. For example: + + KARGS=quiet ./run-qemu.sh -hda docs/linux-fullconfig + # cat /dev/?da + # exit + +To extract the root filesystem from cpio.gz and chroot into it + + ( mkdir fs && cd fs && zcat ../initramfs.cpio.gz | cpio -i -d -H newc ) + chroot fs /init + +To recreate the initramfs.cpio.gz from fs directory + + ( cd fs && find . -printf '%P\n' | cpio -o -H newc -R +0:+0 | gzip ) \ + > initramfs.cpio.gz |