Update

.github/workflows/build.yml

@@ -12,7 +12,7 @@ jobs:
     outputs:
       upload_url: ${{ steps.create_release.outputs.upload_url }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v2
         with:
           fetch-depth: 0
           submodules: false
@@ -41,11 +41,11 @@ jobs:
     runs-on: ubuntu-20.04
     needs: [create_release]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v2
         with:
           submodules: true
       - name: Workaround for apt update failure
-        run: sudo rm -f /etc/apt/sources.list.d/github_git-lfs.*
+        run: sudo rm /etc/apt/sources.list.d/github_git-lfs.*
       - name: Install deps
         run: sudo apt update && sudo apt install build-essential bison flex libncurses5-dev gcc-arm-linux-gnueabi qemu-user-static debootstrap python3-pip
       - name: Upgrade pip and setuptools
@@ -91,11 +91,11 @@ jobs:
     runs-on: ubuntu-20.04
     needs: [create_release]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v2
         with:
           submodules: true
       - name: Workaround for apt update failure
-        run: sudo rm -f /etc/apt/sources.list.d/github_git-lfs.*
+        run: sudo rm /etc/apt/sources.list.d/github_git-lfs.*
       - name: Install deps
         run: sudo apt update && sudo apt install build-essential bison flex libncurses5-dev gcc-arm-linux-gnueabihf libssl-dev lzop qemu-user-static debootstrap
       - name: Configure for Linux
@@ -128,12 +128,9 @@ jobs:
     strategy:
       matrix:
         include:
-          - model: a7200
+          - model: g5300
             nk: edna3exe.bin
             lilo: gen2.bin
-          - model: a7400
-            nk: edna3exe.bin
-            lilo: gen2_7400.bin
           - model: sh1
             nk: edsa1exe.bin
             lilo: gen3_1.bin
@@ -157,11 +154,11 @@ jobs:
             lilo: gen3_7.bin
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v2
         with:
           submodules: true
       - name: Workaround for apt update failure
-        run: sudo rm -f /etc/apt/sources.list.d/github_git-lfs.*
+        run: sudo rm /etc/apt/sources.list.d/github_git-lfs.*
       - name: Install deps
         run: sudo apt update && sudo apt install build-essential bison flex libncurses5-dev gcc-arm-linux-gnueabi qemu-user-static debootstrap
       - name: Build nkbin-maker
@@ -203,11 +200,11 @@ jobs:
           - model: h1
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v2
         with:
           submodules: true
       - name: Workaround for apt update failure
-        run: sudo rm -f /etc/apt/sources.list.d/github_git-lfs.*
+        run: sudo rm /etc/apt/sources.list.d/github_git-lfs.*
       - name: Install deps
         run: sudo apt update && sudo apt install build-essential bison flex libncurses5-dev gcc-arm-linux-gnueabihf libssl-dev lzop qemu-user-static debootstrap
       - name: Configure for U-Boot
@@ -237,7 +234,7 @@ jobs:
     runs-on: ubuntu-20.04
     needs: [create_release]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v2
         with:
           submodules: true
       - name: Make /opt writable
@@ -248,7 +245,7 @@ jobs:
           unzip -q cegcc.zip
           cp -r cegcc /opt/
       - name: Workaround for apt update failure
-        run: sudo rm -f /etc/apt/sources.list.d/github_git-lfs.*
+        run: sudo rm /etc/apt/sources.list.d/github_git-lfs.*
       - name: Install deps
         run: sudo apt update && sudo apt install kpartx build-essential bison flex libncurses5-dev gcc-arm-linux-gnueabi qemu-user-static debootstrap
       - name: Configure for Linux
@@ -280,11 +277,11 @@ jobs:
     runs-on: ubuntu-20.04
     needs: [create_release]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v2
         with:
           submodules: true
       - name: Workaround for apt update failure
-        run: sudo rm -f /etc/apt/sources.list.d/github_git-lfs.*
+        run: sudo rm /etc/apt/sources.list.d/github_git-lfs.*
       - name: Install deps
         run: sudo apt update && sudo apt install kpartx build-essential bison flex libncurses5-dev gcc-arm-linux-gnueabihf libssl-dev lzop qemu-user-static debootstrap
       - name: Upgrade pip and setuptools

.gitmodules

@@ -13,6 +13,3 @@
 [submodule "brainlilo"]
 	path = brainlilo
 	url = https://github.com/brain-hackers/brainlilo.git
-[submodule "buildroot"]
-	path = buildroot
-	url = https://github.com/brain-hackers/buildroot.git

Makefile

@@ -1,8 +1,8 @@
 JOBS=$(shell grep -c '^processor' /proc/cpuinfo)
 
-UBOOT_CROSS=$(shell ./tools/getcross u-boot)
-LINUX_CROSS=$(shell ./tools/getcross linux)
-ROOTFS_CROSS=$(shell ./tools/getcross rootfs)
+UBOOT_CROSS?=$(shell ./tools/getcross u-boot)
+LINUX_CROSS?=$(shell ./tools/getcross linux)
+ROOTFS_CROSS?=$(shell ./tools/getcross rootfs)
 export ARCH=arm
 
 .PHONY:
@@ -135,6 +135,7 @@ lilobuild:
 liloclean:
 	make -C ./brainlilo clean
 
+
 brainux:
 	@if [ "$(shell uname)" != "Linux" ]; then \
 		echo "Debootstrap is only available in Linux!"; \
@@ -143,32 +144,24 @@ brainux:
 	sudo mkdir -p brainux
 	@if [ "$(CI)" = "true" ]; then \
 		echo "I'm in CI and debootstrap without cache."; \
-		sudo debootstrap --arch=$(ROOTFS_CROSS) --foreign bullseye brainux/; \
+		sudo debootstrap --arch=$(ROOTFS_CROSS) --foreign buster brainux/; \
 	else \
-		sudo debootstrap --arch=$(ROOTFS_CROSS) --foreign bullseye brainux/ http://localhost:65432/debian/; \
+		sudo debootstrap --arch=$(ROOTFS_CROSS) --foreign buster brainux/ http://localhost:65432/debian/; \
 	fi
 	sudo cp /usr/bin/qemu-arm-static brainux/usr/bin/
 	sudo cp ./os-brainux/setup_brainux.sh brainux/
-	sudo ./os-brainux/override-pre.sh ./os-brainux/override ./brainux
 	sudo -E chroot brainux /setup_brainux.sh
 	sudo rm brainux/setup_brainux.sh
 	sudo ./os-brainux/override.sh ./os-brainux/override ./brainux
 
-buildroot_rootfs:
-	make -C buildroot brain_imx28_defconfig
-	make -C buildroot -j 12
-	sudo mkdir -p buildroot_rootfs
-	sudo tar -C ./buildroot_rootfs -xf buildroot/output/images/rootfs.tar
-
 image/sd.img: clean_work
-	./image/build_image.sh brainux sd.img 3072
+	./image/build_image.sh
+
+image/emmc.img: clean_work
+	./image/build_image_emmc.sh
 
 image/sd_x1.img: clean_work
-	./image/build_image_x1.sh brainux sd_x1.img 3072
-
-image/sd_buildroot.img: clean_work
-	./image/build_image.sh buildroot_rootfs sd_buildroot.img 128
-
+	./image/build_image_x1.sh
 
 .PHONY:
 clean_work:

README.md

@@ -94,8 +94,8 @@ Build Linux
 1. Confirm that `linux-brain/arch/arm/boot/zImage` exists.
 
 
-Build a Debian rootfs
----------------------
+Bootstrap Debian 11 (bullseye)
+------------------------------
 
 1. Run `make ldefconfig lbuild`.
 
@@ -107,23 +107,9 @@ Build a Debian rootfs
 
 1. Confirm that `image/sd.img` is built and burn it to an SD card.
 
-
-Build a Buildroot rootfs
-------------------------
-
-Buildroot rootfs aims to be the most lightweight rootfs for experimental use. `make buildroot_rootfs` runs the defconfig target for rootfs-only build and then builds the rootfs tarball and a CPIO archive for initramfs. `make image/sd_buildroot.img` makes a bootable SD image in `image` directory like the typical Brainux SD image.
-
-If you want to customize the build of Buildroot, `cd` into `buildroot` and use the following targets:
-
- - `make menuconfig` to change the configuration
- - `make` to build the rootfs (`-j` option might give you extra speed)
-
-`image/sd_buildroot.img` target expects presence of the tarball at `buildroot/output/images/rootfs.tar`. You'll have to `clean` and rebuild every time you change the Buildroot's config before making the SD image.
-
-
 Known issues
 ----------------------------------------
-If you use GCC 10 for the host compiler, `make ubuild` may fail.
+If you using gcc 10 for host compiler, `make ubuild` may fail.  
 To complete build, open `/u-boot-brain/scripts/dtc/dtc-lexer.lex.c` or `/u-boot-brain/scripts/dtc/dtc-parser.tab.c` then comment out `YYLTYPE yylloc;`
 
 Watch changes in submodules & auto-build

image/LICENSE

@@ -1,23 +0,0 @@
-*** exeopener ***
-
-MIT License
-
-Copyright (c) 2022 Chiharu Shirasaka
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.

image/build_image.sh

@@ -5,31 +5,27 @@ JOBS=$(nproc)
 REPO=$(git rev-parse --show-toplevel)
 WORK=${REPO}/image/work
 LINUX=${REPO}/linux-brain
-ROOTFS=$1
-IMG_NAME=$2
-IMG=${REPO}/image/${IMG_NAME}
-SIZE_M=$3
+IMG=${REPO}/image/sd.img
 export CROSS_COMPILE=arm-linux-gnueabi-
 
 mkdir -p ${WORK}
 mkdir -p ${WORK}/lilobin
 
-for i in "a7200" "a7400" "sh1" "sh2" "sh3" "sh4" "sh5" "sh6" "sh7"; do
+# for i in "g5300" "sh1" "sh2" "sh3" "sh4" "sh5" "sh6" "sh7"; do
+for i in "sh1"; do
     NUM=$(echo $i | sed -E 's/sh//g')
 
     make -C ${REPO}/u-boot-brain distclean pw${i}_defconfig
-    make -j${JOBS} -C ${REPO}/u-boot-brain u-boot.bin
-    ${REPO}/nkbin_maker/bsd-ce ${REPO}/u-boot-brain/u-boot.bin
+    make -j${JOBS} -C ${REPO}/u-boot-brain u-boot.sb
+    #${REPO}/nkbin_maker/bsd-ce ${REPO}/u-boot-brain/u-boot.bin
 
     case $i in
-        "a7200")
+        "g5300")
             mv ${REPO}/nk.bin ${WORK}/edna3exe.bin
             mv ${REPO}/u-boot-brain/u-boot.bin ${WORK}/lilobin/gen2.bin;;
-        "a7400")
-            mv ${REPO}/u-boot-brain/u-boot.bin ${WORK}/lilobin/gen2_7400.bin;;
         "sh1" | "sh2" | "sh3")
-            mv ${REPO}/nk.bin ${WORK}/edsa${NUM}exe.bin
-            mv ${REPO}/u-boot-brain/u-boot.bin ${WORK}/lilobin/gen3_${NUM}.bin;;
+        #    mv ${REPO}/nk.bin ${WORK}/edsa${NUM}exe.bin
+            mv ${REPO}/u-boot-brain/u-boot.sb ${WORK}/lilobin/gen3_${NUM}.sb;;
         "sh4" | "sh5" | "sh6" | "sh7")
             mv ${REPO}/nk.bin ${WORK}/edsh${NUM}exe.bin
             mv ${REPO}/u-boot-brain/u-boot.bin ${WORK}/lilobin/gen3_${NUM}.bin;;
@@ -39,34 +35,41 @@ for i in "a7200" "a7400" "sh1" "sh2" "sh3" "sh4" "sh5" "sh6" "sh7"; do
     esac
 done
 
-dd if=/dev/zero of=${IMG} bs=1M count=${SIZE_M}
+dd if=/dev/zero of=${IMG} bs=1M count=2048
 
 START1=2048
 SECTORS1=$((1024 * 1024 * 64 / 512))
 START2=$((2048 + ${SECTORS1}))
+SECTORS1=$((1024 * 1024 * 8 / 512))
+START2=$((2048 + ${SECTORS1} + ${SECTORS2}))
 
 cat <<EOF > ${WORK}/part.sfdisk
 ${IMG}1 : start=${START1}, size=${SECTORS1}, type=b
-${IMG}2 : start=${START2}, type=83
+${IMG}2 : start=${START2}, size=${SECTORS2}, type=53
+${IMG}3 : start=${START3}, type=83
 EOF
 
 sfdisk ${IMG} < ${WORK}/part.sfdisk
 
 sudo kpartx -av ${IMG}
 
-LOOPDEV=$(losetup -l | grep ${IMG_NAME} | grep -o 'loop.' | tail -n 1)
+LOOPDEV=$(losetup -l | grep sd.img | grep -o 'loop.' | tail -n 1)
+
+${REPO}/image/mk_hdr.sh `fdisk -lu /dev/${LOOPDEV} | awk '$6==53 {print $2}'` 1 > ${WORK}/header.bin
+dd if=${WORK}/header.bin of=/dev/${LOOPDEV}p2 ibs=512 conv=sync
+dd if=${WORK}/lilobin/gen3_1.sb of=/dev/${LOOPDEV}p2 ibs=512 obs=512 seek=1 conv=sync
 
 sudo mkfs.fat -n boot -F32 -v -I /dev/mapper/${LOOPDEV}p1
-sudo mkfs.ext4 -L rootfs /dev/mapper/${LOOPDEV}p2
+sudo mkfs.ext4 -L rootfs /dev/mapper/${LOOPDEV}p3
 
-mkdir -p ${WORK}/p1 ${WORK}/p2
+mkdir -p ${WORK}/p1 ${WORK}/p3
 sudo mount -o utf8=true /dev/mapper/${LOOPDEV}p1 ${WORK}/p1
-sudo mount /dev/mapper/${LOOPDEV}p2 ${WORK}/p2
+sudo mount /dev/mapper/${LOOPDEV}p3 ${WORK}/p3
 
 sudo cp ${LINUX}/arch/arm/boot/zImage ${WORK}/p1/
 sudo cp ${LINUX}/arch/arm/boot/dts/imx28-pw*.dtb ${WORK}/p1/
-sudo mkdir -p ${WORK}/p1/nk
-sudo cp ${WORK}/*.bin ${WORK}/p1/nk/
+# sudo mkdir -p ${WORK}/p1/nk
+# sudo cp ${WORK}/*.bin ${WORK}/p1/nk/
 
 make -C ${REPO}/brainlilo
 
@@ -76,16 +79,16 @@ sudo touch "${LILO}/index.din"
 sudo touch "${LILO}/AppMain.cfg"
 sudo cp ${REPO}/brainlilo/*.dll "${LILO}/"
 sudo cp ${REPO}/brainlilo/BrainLILO.exe "${LILO}/AppMain_.exe"
-gzip -cd ${REPO}/image/exeopener.exe.gz > ${REPO}/image/exeopener.exe
+gzip -d ${REPO}/image/exeopener.exe.gz
 sudo cp ${REPO}/image/exeopener.exe "${LILO}/AppMain.exe"
 
 sudo mkdir -p ${WORK}/p1/loader
 sudo cp ${WORK}/lilobin/*.bin ${WORK}/p1/loader/
 
-sudo cp -ra ${REPO}/${ROOTFS}/* ${WORK}/p2/
+sudo cp -ra ${REPO}/brainux/* ${WORK}/p3/
 
-sudo umount ${WORK}/p1 ${WORK}/p2
+sudo umount ${WORK}/p1 ${WORK}/p3
 sudo kpartx -d ${IMG}
 
-rmdir ${WORK}/p1 ${WORK}/p2
+rmdir ${WORK}/p1 ${WORK}/p3
 

image/build_image_emmc.sh

@@ -0,0 +1,57 @@
+#!/bin/bash
+set -uex -o pipefail
+
+JOBS=$(nproc)
+REPO=$(git rev-parse --show-toplevel)
+WORK=${REPO}/image/work
+LINUX=${REPO}/linux-brain
+IMG=${REPO}/image/sd.img
+export CROSS_COMPILE=${CROSS_COMPILE:="arm-linux-gnueabi-"}
+
+mkdir -p ${WORK}
+mkdir -p ${WORK}/lilobin
+
+for i in "sh1"; do
+    NUM=$(echo $i | sed -E 's/sh//g')
+
+    make -C ${REPO}/u-boot-brain distclean pw${i}_defconfig
+    make -j${JOBS} -C ${REPO}/u-boot-brain u-boot.sb u-boot.bin
+
+    case $i in
+        "sh1" | "sh2" | "sh3")
+            mv ${REPO}/u-boot-brain/u-boot.sb ${WORK}/lilobin/gen3_${NUM}.sb
+            mv ${REPO}/u-boot-brain/u-boot.bin ${WORK}/lilobin/gen3_${NUM}.bin;;
+        *)
+            echo "WTF: $i"
+            exit 1;;
+    esac
+done
+
+dd if=/dev/zero of=${IMG} bs=1M count=96
+
+START1=2048
+SECTORS1=$((1024 * 1024 * 64 / 512))
+START2=$((2048 + ${SECTORS1}))
+SECTORS2=$((1024 * 1024 * 8 / 512))
+START3=$((2048 + ${SECTORS1} + ${SECTORS2}))
+
+cat <<EOF > ${WORK}/part.sfdisk
+${IMG}1 : start=${START1}, size=${SECTORS1}, type=b
+${IMG}2 : start=${START2}, size=${SECTORS2}, type=53
+${IMG}3 : start=${START3}, type=83
+EOF
+
+sfdisk ${IMG} < ${WORK}/part.sfdisk
+
+sudo kpartx -av ${IMG}
+
+LOOPDEV=$(losetup -l | grep sd.img | grep -o 'loop.' | tail -n 1)
+${REPO}/image/mk_hdr.sh `fdisk -lu /dev/${LOOPDEV} | awk '$6==53 {print $2}'` 1 > ${WORK}/header.bin
+dd if=${WORK}/header.bin of=/dev/${LOOPDEV}p2 ibs=512 conv=sync
+dd if=${WORK}/lilobin/gen3_1.sb of=/dev/${LOOPDEV}p2 ibs=512 obs=512 seek=1 conv=sync
+
+# sudo mount -o utf8=true /dev/mapper/${LOOPDEV}p1 ${WORK}/p1
+# sudo mount /dev/mapper/${LOOPDEV}p2 ${WORK}/p2
+
+sudo kpartx -d ${IMG}
+

image/mk_hdr.sh

@@ -0,0 +1,148 @@
+#!/bin/bash
+
+# mk_hdr.sh
+# Redistributed URL: https://github.com/embeddedTS/linux-2.6.35.3-imx28/blob/master/mk_hdr.sh
+#
+# This program is distributed with mk_mx28_sd that has the text of 3-Clause BSD License.
+# Both are considered to be licenced under the same agreement so we put the text here.
+
+# Copyright (c) 2010 Freescale Semiconductor, Inc.
+# All rights reserved.
+# 
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+# 
+# o Redistributions of source code must retain the above copyright notice, this list
+#   of conditions and the following disclaimer.
+#     
+# o Redistributions in binary form must reproduce the above copyright notice, this
+#   list of conditions and the following disclaimer in the documentation and/or
+#   other materials provided with the distribution.
+#    
+# o Neither the name of Freescale Semiconductor, Inc. nor the names of its
+#   contributors may be used to endorse or promote products derived from this
+#   software without specific prior written permission.
+# 
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# Usage:  make_boot <base_sector> <num_sb_files>
+# 
+# where
+#
+#  <base_sector> is the first sector _of the boot stream partition (i.e. /sd#2 or /sd#3, etc)
+#  <num_sb_files> is the # of boot stream blocks (currently only 1 supported)
+
+#[ $1 = ] && { echo -e " error - boot partition start sector missing"  ; exit };
+#[ $2 = ] && { echo -e " error - # of bootable images in .sb file missing" ; exit };
+
+# Future usage:  make_boot <dev_partition> <sb_file_tag,sb_sector_offset> <sb_file_tag2, base_addr2> ... 
+#
+# Where base sector comes from MBR, and sb_sector_offset is an offset from start of boot-partition, not absolute sector.
+
+
+#Script Vars 
+base_sector=$1
+numbootstreams=$2
+primary=0
+secondary=0
+
+
+
+#########################################
+# out_byte args...  
+# 
+# this function writes the binary value to stdout of each argument in the order given
+# i.e. out_byte 0 1 2 3  will echo "\x00\x01\x02\x03" to stdout (w/o  terminating null )
+
+function out_byte(){
+  for val in $* 
+  	do
+	# echo -e "byte=$val"
+	echo -en "\\x$(printf %02x $val)"
+  done
+}
+
+
+function out_u32_le()
+{
+  for val32 in $*
+  	do
+
+	val=$(($val32))
+	b0=$((val % (2**8)))
+	val=$((val / (2**8)))
+	b1=$((val % (2**8)))
+	val=$((val / (2**8)))
+	b2=$((val % (2**8)))
+	val=$((val / (2**8)))
+	b3=$((val % (2**8)))
+
+	### Keep around for debug/verbose output
+ 	# printf "$val32 ==> %02x%02x%02x%02x\n" $b0 $b1 $b2 $b3
+	
+	### Output the bytes in binary form
+	#
+  	out_byte  $b0 $b1 $b2 $b3
+
+  done
+}
+
+
+function out_bcb ()
+{
+  signature=0x00112233
+  primary_tag=$1
+  secondary_tag=$2
+  num_bsb=$3
+  out_u32_le signature primary_tag secondary_tag num_bsb 
+}
+
+# usage:  out_bsb tag base_sector
+# where base_sector is relative to partition 
+# i.e. if partition starts on lba 63 & first boot stream, base_sector = 1, not 64
+# This function will automatically compute the absolute base sector.
+function out_bsb 
+{
+  abs_sector=$(($2 + $base_sector))
+  # unused0
+  out_u32_le 0 
+  # unused1
+  out_u32_le 0
+  # tag  boot stream tag
+  out_u32_le $1
+  # boot stream base sector (absolute)
+  out_u32_le $abs_sector
+  # unused2
+  out_u32_le 0
+}
+
+
+###############################
+# Send header output to std out
+###############################
+
+
+# Output boot stream signature & info
+# out_u32_le signature primary secondary numbootstreams 
+out_bcb primary secondary numbootstreams
+
+# Output .sb starting sector info 
+# out_u32_le unused0 unused1 tag base_sector unused2
+out_bsb primary 1 
+
+# Output bsb for sb #2
+#out_bsb tag_[p|s] base_sector_2
+
+# Output bsb for sb #n
+# out_bsb tag_[p|s] base_sector_n
+# 
+

os-brainux/override-pre.sh

@@ -1,10 +0,0 @@
-#!/bin/bash
-
-set -uex -o pipefail
-
-SRC=$1
-DST=$2
-
-install -g root -o root -m 0644 $SRC/lib/systemd/system/boot.mount $DST/lib/systemd/system/boot.mount
-install -g root -o root -m 0644 $SRC/lib/systemd/system/rndis_gadget.service $DST/lib/systemd/system/rndis_gadget.service
-install -g root -o root -m 0755 $SRC/usr/bin/enable_rndis_gadget $DST/usr/bin/enable_rndis_gadget

os-brainux/override.sh

@@ -5,8 +5,10 @@ set -uex -o pipefail
 SRC=$1
 DST=$2
 
+install -g root -o root -m 0644 $SRC/usr/lib/os-release $DST/usr/lib/os-release
+install -g root -o root -m 0644 $SRC/etc/issue $DST/etc/issue
+install -g root -o root -m 0644 $SRC/etc/issue.net $DST/etc/issue.net
 install -g root -o root -m 0644 $SRC/etc/motd $DST/etc/motd
-install -g root -o root -m 0440 $SRC/etc/sudoers $DST/etc/sudoers
 
 install -g root -o root -m 0644 $SRC/etc/X11/xorg.conf $DST/etc/X11/xorg.conf
 install -g root -o root -m 0644 $SRC/etc/X11/Xsession.d/96calibrate $DST/etc/X11/Xsession.d/96calibrate

os-brainux/override/etc/issue

@@ -0,0 +1,2 @@
+Brainux GNU/Linux 10 \n \l
+

os-brainux/override/etc/issue.net

@@ -0,0 +1 @@
+Brainux GNU/Linux 10

os-brainux/override/etc/sudoers

@@ -1,27 +0,0 @@
-#
-# This file MUST be edited with the 'visudo' command as root.
-#
-# Please consider adding local content in /etc/sudoers.d/ instead of
-# directly modifying this file.
-#
-# See the man page for details on how to write a sudoers file.
-#
-Defaults	env_reset,pwfeedback
-Defaults	mail_badpass
-Defaults	secure_path="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
-
-# Host alias specification
-
-# User alias specification
-
-# Cmnd alias specification
-
-# User privilege specification
-root	ALL=(ALL:ALL) ALL
-
-# Allow members of group sudo to execute any command
-%sudo	ALL=(ALL:ALL) ALL
-
-# See sudoers(5) for more information on "@include" directives:
-
-@includedir /etc/sudoers.d

os-brainux/override/lib/systemd/system/boot.mount

@@ -1,10 +0,0 @@
-[Unit]
-Description=Mount boot partition
-
-[Mount]
-What=/dev/mmcblk1p1
-Where=/boot
-Options=ro
-
-[Install]
-WantedBy=multi-user.target

os-brainux/override/lib/systemd/system/rndis_gadget.service

@@ -1,9 +0,0 @@
-[Unit]
-Description=Enable RNDIS USB Gadget
-
-[Service]
-Type=oneshot
-ExecStart=/usr/bin/enable_rndis_gadget
-
-[Install]
-WantedBy=multi-user.target

os-brainux/override/usr/bin/enable_rndis_gadget

@@ -1,25 +0,0 @@
-#!/bin/sh
-
-g=/sys/kernel/config/usb_gadget/eth
-
-mkdir ${g}
-
-echo "0x3066" > ${g}/bcdDevice
-echo "1" > ${g}/os_desc/use
-echo "0xcd" > ${g}/os_desc/b_vendor_code
-echo "MSFT100" > ${g}/os_desc/qw_sign
-
-mkdir ${g}/functions/rndis.rn0
-echo "RNDIS" > ${g}/functions/rndis.rn0/os_desc/interface.rndis/compatible_id
-echo "5162001" > ${g}/functions/rndis.rn0/os_desc/interface.rndis/sub_compatible_id
-echo "8a:15:8b:44:3a:02" > ${g}/functions/rndis.rn0/dev_addr
-echo "8a:15:8b:44:3a:01" > ${g}/functions/rndis.rn0/host_addr
-
-mkdir ${g}/configs/c.1
-ln -s ${g}/functions/rndis.rn0 ${g}/configs/c.1/
-
-echo "ci_hdrc.0" > ${g}/UDC
-
-sleep 1
-ifconfig usb0 up
-dhclient

os-brainux/override/usr/lib/os-release

@@ -0,0 +1,9 @@
+PRETTY_NAME="Brainux GNU/Linux 11 (bullseye)"
+NAME="Brainux GNU/Linux"
+VERSION_ID="11"
+VERSION="11 (bullseye)"
+VERSION_CODENAME=bullseye
+ID=debian
+HOME_URL="https://github.com/brain-hackers/README"
+SUPPORT_URL="https://github.com/brain-hackers/buildbrain"
+BUG_REPORT_URL="https://github.com/brain-hackers/buildbrain"

os-brainux/setup_brainux.sh

@@ -55,10 +55,10 @@ echo "brain" > /etc/hostname
 # Install packagecloud repository
 # Reference: https://packagecloud.io/brainhackers/brainux/install
 
-# curl, ca-certificates: downloads the GPG key from packagecloud
+# curl: downloads the GPG key from packagecloud
 # gnupg, debian-archive-keyring: packagecloud verification dependency
 DEBIAN_FRONTEND=noninteractive \
-    apt install -y curl ca-certificates gnupg debian-archive-keyring
+    apt install -y curl gnupg debian-archive-keyring
 
 # apt-transport-https can be installed after debian-archive-keyring being installed
 DEBIAN_FRONTEND=noninteractive \
@@ -80,11 +80,12 @@ apt update -y
 DEBIAN_FRONTEND=noninteractive \
     apt install -y dialog sudo \
                    libjpeg-dev libfreetype6 libfreetype6-dev zlib1g-dev \
-                   xserver-xorg xserver-xorg-video-fbdev xserver-xorg-dev xserver-xorg-input-evdev xinput-calibrator xorg-dev x11-apps x11-ico-dvd xinit \
+                   xserver-xorg xserver-xorg-video-fbdev xserver-xorg-dev xserver-xorg-input-evdev xinput-calibrator xorg-dev x11-apps xinit \
                    jwm \
+                   weston xwayland \
                    bash tmux vim htop \
                    midori pcmanfm lxterminal xterm gnome-terminal fbterm uim-fep uim-anthy fonts-noto-cjk \
-                   dbus udev alsa-utils usbutils iw fake-hwclock systemd-timesyncd\
+                   dbus udev alsa-utils usbutils iw fake-hwclock\
                    build-essential flex bison pkg-config autotools-dev libtool autoconf automake device-tree-compiler \
                    python3 python3-dev python3-setuptools python3-wheel python3-pip python3-smbus \
                    resolvconf net-tools ssh openssh-client avahi-daemon wget git \
@@ -100,11 +101,10 @@ systemctl enable fake-hwclock
 DEBIAN_FRONTEND=noninteractive \
     apt install -y libpam0g-dev libxcb-xkb-dev
 cd /
-git clone --recurse-submodules -b master-24f017e https://github.com/brain-hackers/ly.git
+git clone --recurse-submodules https://github.com/nullgemm/ly.git
 cd ly
 make
 make install
-make installsystemd
 cd /
 rm -r ly
 systemctl enable ly
@@ -135,12 +135,6 @@ ttymxc0
 ttyLP0
 EOF
 
-# Enable /boot mount
-systemctl enable boot.mount
-
-# Enable RNDIS gadget
-systemctl enable rndis_gadget
-
 # Get wild
 cat <<EOF > /etc/apt/sources.list
 deb http://deb.debian.org/debian bullseye main contrib non-free

os-buildroot/override/root/blink.sh

@@ -1,112 +0,0 @@
-#!/bin/sh
-set -u
-
-VERBOSE=0
-PIN=""
-SLEEP=1
-GPIOS=""
-
-while getopts "hvr:p:s:" OPT; do
-    case "$OPT" in
-    h)
-        echo "Usage:   blink.sh [-hv] [-r PIN_RANGE_FROM-PIN_RANGE_TO] [-p PIN] [-s SLEEP_SEC]"
-        echo "Example: blink.sh -r 0-10 -p 12"
-        echo "         (blink from GPIO 0 to 10 and 12)"
-        exit 0
-        ;;
-    v)
-        VERBOSE=1
-        ;;
-    r)
-        RE='^([0-9]+)-([0-9]+)$'
-        if echo $OPTARG | grep -qvE $RE; then
-            echo "Error: invalid range: $OPTARG"
-            exit 1
-        fi
-        FROM=$(echo $OPTARG | sed -E "s/$RE/\\1/")
-        TO=$(echo $OPTARG | sed -E "s/$RE/\\2/")
-        GPIOS="$GPIOS$(seq -s " " $FROM $TO) "
-        ;;
-    p)
-        if echo $OPTARG | grep -qvE "^[0-9]+$"; then
-            echo "Error: invalid pin number: $OPTARG"
-            exit 1
-        fi
-        GPIOS="$GPIOS$OPTARG "
-        ;;
-    s)
-        if echo $OPTARG | grep -qvE "^[0-9]+$"; then
-            echo "Error: invalid sleep duration: $OPTARG"
-            exit 1
-        fi
-        SLEEP=$OPTARG
-        ;;
-    esac
-done
-
-if [ $VERBOSE -eq 1 ]; then
-    echo "Pins to iterate over: $GPIOS"
-fi
-
-if [ "$(id -u)" -ne "0" ]; then
-    echo "Error: please run as root"
-    exit 1
-fi
-
-AVAILABLE_GPIOS=""
-
-export_gpio() {
-    echo $1 > /sys/class/gpio/export
-}
-
-set_direction() {
-    echo out > /sys/class/gpio/gpio$1/direction
-}
-
-set_value() {
-    echo $2 > /sys/class/gpio/gpio$1/value
-}
-
-for i in $GPIOS; do
-    if [ ! -e "/sys/class/gpio/gpio$i" ]; then
-        export_gpio $i 2>/dev/null
-        if [ $? -ne 0 ]; then
-            echo "Error: failed to export the pin $i"
-            continue
-        fi
-    fi
-
-    set_direction $i 2>/dev/null
-    if [ $? -ne 0 ]; then
-        # Ignore the failure if the actual direction is out
-        if grep -vq "out" /dsys/class/gpio/gpio$i/direction; then
-            echo "Error: failed to set the direction of the pin $i to out"
-            continue
-        fi
-    fi
-
-    AVAILABLE_GPIOS="$AVAILABLE_GPIOS$i "
-done
-
-echo "Available GPIOs: $AVAILABLE_GPIOS"
-
-while [ 1 ]; do
-    for i in $AVAILABLE_GPIOS; do
-        set_value $i 1 2>/dev/null
-        if [ $? -ne 0 ]; then
-            echo "Warning: failed to set the value of the pin $i to high"
-        fi
-    done
-
-    sleep $SLEEP
-
-    for i in $AVAILABLE_GPIOS; do
-        set_value $i 0 2>/dev/null
-        if [ $? -ne 0 ]; then
-            echo "Warning: failed to set the value of the pin $i to low"
-        fi
-    done
-
-    sleep $SLEEP
-done
-