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212 Commits

Author SHA1 Message Date
Ivan Davidov
f86add64c6 Implemented another level of "early shell". Now we have 2 early shells - one right after the initial mount procedure and another one right after the overlay procedure. 2016-04-23 21:23:28 +03:00
Ivan Davidov
a01bc817b4 Updated the hard disk image generation tool to generate proper folder/sparse overlay structure. 2016-04-23 14:01:21 +03:00
Ivan Davidov
0192ff552e Added 'readme' stub file. 2016-04-23 05:00:48 +03:00
Ivan Davidov
cbb890865a Yet another rootfs reorganization related to the rootfs initialization scripts. 2016-04-23 04:41:57 +03:00
Ivan Davidov
8420232e44 Forgot to perform 'git add' on most of the files from the previous commit. 2016-04-23 01:52:33 +03:00
Ivan Davidov
416670ca72 Added support for PID 1 shell during boot. Added option to use local downloaded sources with no requirement on internet connection. Added option to use predefined configuration files for kernel and BusyBox. Initramfs structure has been reorganized - now /etc/03_init.sh can be edited and the persisted changes will be applied on reboot. Scripts 01 and 02 are not affected since they are used before the overlay takes place. Added helper script file which generates hard disk image as sparse file. QEMU scripts have been enhanced for easier boot with hard disk images. Internal comments have been improved. 2016-04-23 01:43:40 +03:00
Ivan Davidov
176ad909f7 Added helpful information messages in Makefile. 2016-04-17 18:22:09 +03:00
Ivan Davidov
331307d287 Makefile improvement - delete the log file along with the othert generated artifacts. 2016-04-17 18:16:36 +03:00
Ivan Davidov
adaae66aa2 Added simple logging in order to track build errors easier. This hasn't been tested yet. 2016-04-17 18:13:29 +03:00
Ivan Davidov
24524f4641 Minor improvement - display information message in case the cleaning process turns out to be very long. 2016-04-17 17:59:31 +03:00
Ivan Davidov
d36c007993 Disabled some optional glibc modules for better compatibility. This should fix issues with host machines which have selinux on them. 2016-04-17 17:47:57 +03:00
Ivan Davidov
cf7e917cb1 Fexed qemu script to use only the ISO image by default. 2016-04-17 14:32:44 +03:00
Ivan Davidov
efd9bd7424 All '.gitignore' files are automatically deleted from the resulting initramfs structure and ISO image. 2016-04-17 14:28:27 +03:00
Ivan Davidov
e9fef61b2a Applied simple workaround in order to commit empty directories. 2016-04-17 14:06:24 +03:00
Ivan Davidov
62283e9f82 Documentation improvements and cleanup. Added shutdown tasks (sync & umount). 2016-04-16 23:36:31 +03:00
Ivan Davidov
05b62fd32e Major reorganization - initramfs structure is now externalized in separate folder structure. Added support for overlay from folders and disk images. Overlay structure has been externalized in separate folder. Added support to use preconfigured ".config" files for BusyBox and kernel. 2016-04-16 21:23:20 +03:00
Ivan Davidov
2bb6218b8d Minor comment improvement. 2016-04-11 23:43:23 +03:00
Ivan Davidov
07da9983c1 Unmount device on overlay failure before continuing to next device. Overlay support works from different device without unmounting the first device, so this might be a bug in BusyBox. 2016-04-11 22:23:20 +03:00
Ivan Davidov
ecd53af5ce Fixed type "crytical" --> "critical". 2016-04-10 04:34:14 +03:00
Ivan Davidov
2f4fdc8cb4 Added overlay support which mounts /minimal/rootfs if it is found on the boot media. Note that this doesn't work on vfat. Works fine on CD image and on separate ext2 partition. 2016-04-10 04:09:27 +03:00
Ivan Davidov
0bb0ff98fc Improved comments. 2016-04-09 19:32:13 +03:00
Ivan Davidov
a65281ac48 The root location is changed dynamically via 'switch_root'. This is prerequisite for more complex boot process. 2016-04-09 18:48:53 +03:00
Ivan Davidov
2a6f913801 Added simple Makefile which encapsulates the full build process. 2016-04-09 01:25:21 +03:00
Ivan Davidov
44ee04c758 Syslinux is now automatically downloaded and ISO image generation process uses precompiled Syslinux binaries. The initramfs logging has been improved and more details are displayed during boot. 2016-04-07 00:22:20 +03:00
Ivan Davidov
0441e69d0c Moved the stable 'glibc-busybox' scripts from the experimental folder to the root script folder. Removed the 'experimental' folder because the DNS resolving issue has been fixed. Added website information about the '03-Apr-2016' release. 2016-04-03 01:19:54 +03:00
Ivan Davidov
b097308669 Started cleanup & preparation process for publishing. The code has been tested on 32-bit and 64-bit machines. 2016-04-02 17:33:30 +03:00
Ivan Davidov
fb5ab6f49a Updated the root FS generation process to support x86_64 machines. GNU libc dependencies have been reduced significantly and only the DNS related libraries are used. This works for x86_64 machines but hasn't been tested on pure 32-bit machines. 2016-04-02 14:30:53 +03:00
Ivan Davidov
40fdd94157 Added experimental folder 'glibc-busybox' which solves the DNS issue. This works on 32bit machines. Not tested on 64bit machines. This is not at all "minimal" and needs *a lot* of RAM (256MB for now). 2016-04-02 12:06:36 +03:00
Ivan Davidov
1ca057ee0b Headers are reused rom the downloaded kernel. ISO image is generated in custom shell script. 
This commit is prerequisite for major switch from glibc to musl.
 2016-01-24 21:15:47 +02:00
Ivan Davidov
8b96da4dbe John Jolly suggested to use "cpio" with "-R root:root" in order to generate rootfs with all files and folders owned by root (uid 0 and gid 0). This hasn't been tested yet. 2016-01-14 19:33:56 +02:00
Ivan Davidov
9797b843d1 Another reorganization of the 'experiemntal' folder. Added musl with toybox (doesn't work at the moment). 2015-09-19 21:54:31 +03:00
Ivan Davidov
130ffa2cec Reorganized the 'experimental' folder. Added 'experimental/musl' whish solves the DNS resolving issue. This should be optimized to use the newly downloaded kernel headers (if possible). 2015-09-19 00:36:37 +03:00
Ivan Davidov
8302c2a12d Forgot to update the general build script to include the ToyBox stuff. 2015-09-13 16:23:52 +03:00
Ivan Davidov
c05e0580cf Improved comments. 2015-09-13 16:21:01 +03:00
Ivan Davidov
3fdba9f45e Added experimental scripts which build Kernel + ToyBox with simple DHCP network. DNS is still broken due to glibc issues. 2015-09-13 16:04:01 +03:00
Ivan Davidov
aea0fb471f Updated kernel to the lates stable version. 2015-09-13 16:02:20 +03:00
Ivan Davidov
86d24fb37d Added more detailed comment descriptions in some of the scripts. 2015-08-15 17:58:13 +03:00
Ivan Davidov
47db7efdd0 Better networking thanks to Ronny Kalusniok. 
Updated the configuration to use Linux kernel 4.1.5.
 2015-08-15 13:51:37 +03:00
Ivan Davidov
f39e38b46a Forgot to add the files from the previous commit. 
There are few helper .sh files for "qemu".
 2015-04-18 14:26:09 +03:00
Ivan Davidov
72bd42fd25 Few improvements based on contributed code and user proposals: 
* Added basic DHCP network support. DNS not working due to glibc static linking issues.
* Added 'genisoimage' fix for Debian systems.
* Added compilation optimization which significantly reduces the overall compilation time.
 2015-04-18 14:26:09 +03:00
cspenceiv
4afc25d0cf Add sed command to use genisoimage 
This change fixes a bug by adding a sed command to force the arch/x86/boot/Makefile to use genisoimage instead of mkisofs.
 2015-04-08 15:05:13 -05:00
Ivan Davidov
77de2be60e Added possible compilation improvement which utilizes all processor cores. This should be a significant improvement. I haven't tested this yet. 2015-03-19 20:47:31 +02:00
Ivan Davidov
b0abfba526 Minor structural updates. 2015-02-07 20:13:34 +02:00
Ivan Davidov
b7334f1656 Updated the config files with latest Kernel and BusyBox. 2015-02-07 20:00:20 +02:00
Ivan Davidov
c2e93fbea4 • The default host is now "minimal" (used to be "minimal-linux-live"). 
• Website update - preparing for the next release.
 2014-08-24 13:35:07 +03:00
Ivan Davidov
e557e32303 • Welcome message is indented 2 console characters to the right. 2014-08-24 12:13:18 +03:00
Ivan Davidov
55b839548e • Minor code comment improvements and reformatting. 2014-08-24 12:03:30 +03:00
Ivan Davidov
abaa655d4a • The kernel is now "3.16.1". 
• Some additional minor improvements. Most notable change - the 'init' script is generated by using cat + here.

Note - all changes, including the latest few merges are *not* tested yet.

TODO 1 - test all changes since the last release and prepare new release if there are no issues.
TODO 2 - create new tutorial document based on the latest scripts (optional, if there is free time).
 2014-08-23 21:23:44 +03:00
Johannes Altmanninger
01956eb5a6 call the scripts with sh so they don't need the executable bit 2014-08-23 19:47:06 +02:00
Johannes Altmanninger
fbccabac6f use cat + heredocs instead of echo 2014-08-23 19:44:53 +02:00