mirror of
https://github.com/genodelabs/genode.git
synced 2024-12-19 05:37:54 +00:00
135 lines
3.2 KiB
Plaintext
135 lines
3.2 KiB
Plaintext
if {![have_include "load/ipxe"]} {
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puts "run script requires load/ipxe"
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exit 1
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}
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proc _arch { } {
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if {[have_spec "x86_32"]} { return "x86_32" }
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if {[have_spec "x86_64"]} { return "x86_64" }
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puts "not supported architecture!"
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exit 1
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}
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set arch [_arch]
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set ramdisk [run_dir]/rootfs.cpio
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create_boot_directory
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build { pc_linux busybox }
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# Create expected boot directory, as we cannot use build_boot_image
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exec mkdir -p [run_dir]/boot
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#
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# Create script to run inside the initramfs under /etc/init.d/rcS
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#
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proc _init_rcs { } {
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set file_path [run_dir]/rcS
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set fd [open $file_path w]
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puts $fd {#!bin/sh
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mount -t proc none /proc
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mount -t sysfs none /sys
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mount -t tmpfs none /var
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mount -t tmpfs none /dev
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/sbin/mdev -s
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mkdir /var/log
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echo "****"
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echo "**** Please connect to console in a new terminal"
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echo "****"
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}
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close $fd
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return $file_path
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}
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set init_rcs [_init_rcs]
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#
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# CPIO content description used by `gen_init_cpio`
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#
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proc _cpio_desc { } {
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global init_rcs arch
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set bblist [open busybox/$arch/busybox.links r]
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set file_path [run_dir]/cpio.desc
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set fd [open $file_path w]
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puts $fd "dir /bin 0755 0 0"
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puts $fd "dir /dev 0755 0 0"
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puts $fd "dir /etc 0755 0 0"
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puts $fd "dir /etc/init.d 0755 0 0"
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puts $fd "dir /proc 0755 0 0"
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puts $fd "dir /root 0700 0 0"
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puts $fd "dir /sbin 0755 0 0"
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puts $fd "dir /sys 0755 0 0"
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puts $fd "dir /usr 0755 0 0"
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puts $fd "dir /usr/bin 0755 0 0"
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puts $fd "dir /usr/sbin 0755 0 0"
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puts $fd "dir /var 0755 0 0"
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puts $fd "nod /dev/console 0622 0 0 c 5 1"
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puts $fd "nod /dev/null 0666 0 0 c 1 3"
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puts $fd "file /bin/busybox busybox/$arch/busybox 0755 0 0"
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puts $fd "file /etc/init.d/rcS $init_rcs 0755 0 0"
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foreach line [split [read $bblist] \n] {
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if {[string trim $line] != ""} {
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puts $fd "slink $line /bin/busybox 0755 0 0"
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}
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}
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close $bblist
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close $fd
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return $file_path
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}
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set cpio_desc [_cpio_desc]
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proc _uart { } {
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if {[have_board "pc"]} { return "ttyS0" }
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puts "not supported board!"
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exit 1
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}
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set uart [_uart]
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create_ipxe_config
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update_ipxe_boot_dir
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proc _boot_script { } {
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global uart
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set file_path [run_dir]/boot.cfg
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set fd [open $file_path w]
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puts $fd "#!ipxe
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kernel bzImage console=$uart,115200 root=/dev/ram ip=dhcp debug rdinit=/linuxrc initrd=rootfs.cpio.gz
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initrd rootfs.cpio.gz
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boot
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"
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close $fd
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return $file_path
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}
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# example to amend rootfs with wifi firmware
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if {false} {
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import_from_depot [depot_user]/raw/pc_wifi_firmware
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exec tar -C [run_dir]/genode -xf [run_dir]/genode/pc_wifi_firmware.tar iwlwifi-QuZ-a0-hr-b0-68.ucode
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set fd [open $cpio_desc a]
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puts $fd "dir /lib 0755 0 0"
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puts $fd "dir /lib/firmware 0755 0 0"
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puts $fd "file /lib/firmware/iwlwifi-QuZ-a0-hr-b0-68.ucode [run_dir]/genode/iwlwifi-QuZ-a0-hr-b0-68.ucode 0755 0 0"
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close $fd
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}
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set boot_script [_boot_script]
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# Provide kernel image and create initial-ram-filesystem
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file copy pc_linux/$arch/arch/x86/boot/bzImage [run_dir]/
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exec pc_linux/$arch/usr/gen_init_cpio $cpio_desc > $ramdisk
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exec gzip $ramdisk
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# Trick run tools that the kernel started
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proc run_boot_string { } { return "Booting Linux" }
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run_genode_until forever
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interact
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