New buildsystem and splash

.gitignore

@@ -0,0 +1,13 @@
+/Image.gz
+/fat.img
+/jumpdrive.img
+/jumpdrive.img.xz
+/u-boot-sunxi-with-spl.bin
+/*.apk
+/initramfs.gz
+/initramfs.cpio
+/initramfs/bin/busybox
+/initramfs/splash.ppm.gz
+/build
+/boot.scr
+/*.dtb

Makefile

@@ -0,0 +1,74 @@
+CROSS_FLAGS = ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu-
+
+all: jumpdrive.img.xz
+
+jumpdrive.img.xz: jumpdrive.img
+	xz -c jumpdrive.img > jumpdrive.img.xz
+	
+initramfs/bin/busybox: src/busybox src/busybox_config
+	mkdir -p build/busybox
+	cp src/busybox_config build/busybox/.config
+	make -C src/busybox O=../../build/busybox $(CROSS_FLAGS)
+	cp build/busybox/busybox initramfs/bin/busybox
+	
+initramfs/splash.ppm.gz: splash/jumpdrive.ppm
+	gzip < splash/jumpdrive.ppm > initramfs/splash.ppm.gz
+	
+initramfs.cpio: initramfs/bin/busybox initramfs/init initramfs/init_functions.sh initramfs/splash.ppm.gz
+	cd initramfs; find . | cpio -H newc -o > ../initramfs.cpio
+	
+initramfs.gz: initramfs.cpio
+	gzip < initramfs.cpio > initramfs.gz
+	
+Image.gz: src/linux_config
+	mkdir -p build/linux
+	cp src/linux_config build/linux/.config
+	make -C src/linux O=../../build/linux $(CROSS_FLAGS) olddefconfig
+	make -C src/linux O=../../build/linux $(CROSS_FLAGS)
+	cp build/linux/arch/arm64/boot/Image.gz Image.gz
+	cp build/linux/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtb sun50i-a64-pinephone.dtb
+
+jumpdrive.img: fat.img u-boot-sunxi-with-spl.bin
+	rm -f jumpdrive.img
+	truncate --size 50M jumpdrive.img
+	parted -s jumpdrive.img mktable msdos
+	parted -s jumpdrive.img mkpart primary fat32 2048s 100%
+	parted -s jumpdrive.img set 1 boot on
+	dd if=u-boot-sunxi-with-spl.bin of=jumpdrive.img bs=8k seek=1
+	dd if=fat.img of=jumpdrive.img seek=1024 bs=1k
+
+boot.scr: src/boot.txt
+	mkimage -A arm -O linux -T script -C none -n "U-Boot boot script" -d src/boot.txt boot.scr
+	
+u-boot-sunxi-with-spl.bin:
+	wget http://dl-cdn.alpinelinux.org/alpine/edge/main/aarch64/u-boot-pine64-2020.01-r0.apk
+	tar -xvf u-boot-pine64-2020.01-r0.apk usr/share/u-boot/pine64-lts/u-boot-sunxi-with-spl.bin --strip-components 4
+	
+
+fat.img: initramfs.gz Image.gz boot.scr
+	rm -f fat.img
+	truncate --size 40M fat.img
+	mkfs.fat -F32 fat.img
+	
+	mcopy -i fat.img Image.gz ::Image.gz
+	mcopy -i fat.img sun50i-a64-pinephone.dtb ::sun50i-a64-pinephone.dtb
+	mcopy -i fat.img initramfs.gz ::initramfs.gz
+	mcopy -i fat.img boot.scr ::boot.scr
+
+.PHONY: clean
+
+clean:
+	rm -rf build
+	rm -f initramfs/bin/busybox
+	rm -f fat.img
+	rm -f jumpdrive.img
+	rm -f jumpdrive.img.xz
+	rm -f *.dtb
+	rm -f u-boot-pine64-2020.01-r0.apk
+	rm -f u-boot-sunxi-with-spl.bin
+	rm -f initramfs/splash.ppm.gz
+	rm -f initramfs/bin/busybox
+	rm -f initramfs.cpio
+	rm -f initramfs.gz
+	rm -f Image.gz
+	rm -f boot.scr

initramfs/init

@@ -3,12 +3,23 @@
 ## Copyright (C) 2020 - postmarketOS
 ## Copyright (C) 2020 - Danctl12 <danct12@disroot.org>
 
+echo "Welcome to JumpDrive"
+
 . /init_functions.sh
 
 # Environment variables that we want:
 IP=172.16.42.1
 
+# Create all the symlinks to /bin/busybox
+mkdir -p /usr/bin
+mkdir -p /sbin
+mkdir -p /usr/sbin
+echo "Installing Busybox..." && /bin/busybox --install -s
+
 # Mount things needed by this script
+mkdir /proc
+mkdir /sys
+mkdir /etc
 mount -t proc proc /proc
 mount -t sysfs sysfs /sys
 
@@ -22,8 +33,6 @@ mount -t devpts devpts /dev/pts
 # LED indicator for MMC r/w access
 echo mmc2 > /sys/class/leds/pinephone\:green\:user/trigger
 
-# Create all the symlinks to /bin/busybox
-echo "Installing Busybox..." && /bin/busybox --install -s
 
 # Create device nodes
 echo "Creating device nodes..."
@@ -36,6 +45,7 @@ setup_usb_configfs
 start_udhcpd
 setup_telnetd
 
-# ToDo: splash
+gzip -c -d splash.ppm.gz > /splash.ppm
+fbsplash -s /splash.ppm
 
 loop_forever

src/boot.txt

@@ -2,10 +2,12 @@ setenv kernel_addr_z 0x44080000
 
 setenv bootargs loglevel=0 silent console=tty0
 
+gpio set 114
+
 if load ${devtype} ${devnum}:${distro_bootpart} ${kernel_addr_z} /Image.gz; then
   unzip ${kernel_addr_z} ${kernel_addr_r}
   if load ${devtype} ${devnum}:${distro_bootpart} ${fdt_addr_r} /sun50i-a64-pinephone.dtb; then
-    if load ${devtype} ${devnum}:${distro_bootpart} ${ramdisk_addr_r} /recovery.gz; then
+    if load ${devtype} ${devnum}:${distro_bootpart} ${ramdisk_addr_r} /initramfs.gz; then
       booti ${kernel_addr_r} ${ramdisk_addr_r}:${filesize} ${fdt_addr_r};
     else
       booti ${kernel_addr_r} - ${fdt_addr_r};

src/linux-disable_sysrq-msgs.diff

@@ -1,12 +0,0 @@
-diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c
-index 573b20551..42b040d16 100644
---- a/drivers/tty/sysrq.c
-+++ b/drivers/tty/sysrq.c
-@@ -551,7 +551,6 @@ void __handle_sysrq(int key, bool check_mask)
- 		 * should not) and is the invoked operation enabled?
- 		 */
- 		if (!check_mask || sysrq_on_mask(op_p->enable_mask)) {
--			pr_info("%s\n", op_p->action_msg);
- 			console_loglevel = orig_log_level;
- 			op_p->handler(key);
- 		} else {