Fork of the Genode OS framework
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proc binary_name_ld_lib_so { } { return "ld-sel4.lib.so" }
proc binary_name_core_o { } { return "core-sel4.o" }
proc binary_name_timer { } {
if {[have_spec wand_quad]} { return "wand_quad_timer_drv" }
if {[have_spec x86]} { return "pit_timer_drv" }
puts "unknown platform - no timer driver"
exit -1
}
proc kernel_files { } { return sel4 }
proc run_boot_string { } { return "\n\rBooting all finished, dropped to user space" }
proc core_link_address { } { return "0x02000000" }
proc sel4_elfloader_dir { } { return "[pwd]/var/libcache/kernel-sel4/elfloader" }
##
# Populate boot directory with binaries on hw
#
proc run_boot_dir {binaries} {
#
# Build kernel and dynamic linker on demand, if not yet present in
# '[run_dir]/genode/'
#
set kernel_arg ""
set ld_arg ""
if {![file exists [run_dir]/genode/sel4]} { set kernel_arg "kernel/sel4" }
if {![file exists [run_dir]/genode/ld.lib.so]} { set ld_arg "lib/ld/sel4" }
set targets "$kernel_arg $ld_arg"
if {[llength $targets]} { build $targets }
if {$kernel_arg != ""} {
file copy -force [pwd]/bin/sel4 [run_dir]/genode/sel4
}
build_core_image $binaries
#
# Move kernel files to distinct location within the boot directory so that
# we can remove [run_dir]/genode after the core image has been built.
#
file copy -force [run_dir]/genode/sel4 [run_dir]/sel4
exec rm -r [run_dir]/genode
if {[have_include "image/iso"] || [have_include "image/disk"] || [have_include image/uefi]} {
set serial_bender_opt ""
if {[have_include "image/disk"]} {
exec mkdir -p [run_dir]/boot/grub
exec cp [genode_dir]/tool/boot/bender [run_dir]/boot/bender
}
if {[have_include "image/iso"]} {
install_iso_bootloader_to_run_dir
}
if {[have_include image/uefi]} {
set grub2_path [get_grub2_dir]
exec mkdir -p [run_dir]/efi/boot
exec cp $grub2_path/boot/grub2/grub2_32.efi [run_dir]/efi/boot/bootia32.efi
exec cp $grub2_path/boot/grub2/grub2_64.efi [run_dir]/efi/boot/bootx64.efi
exec mkdir -p [run_dir]/boot/grub
exec cp [genode_dir]/tool/boot/bender [run_dir]/boot/bender
set serial_bender_opt "serial_fallback"
}
#
# Generate GRUB2 config file
#
set fh [open "[run_dir]/boot/grub/grub.cfg" "WRONLY CREAT TRUNC"]
puts $fh "set timeout=0"
puts $fh "menuentry 'Genode on seL4' {"
puts $fh " insmod multiboot2"
puts $fh " multiboot2 /boot/bender phys_max=256M $serial_bender_opt"
puts $fh " module2 /sel4 sel4 disable_iommu"
puts $fh " module2 /image.elf image.elf"
puts $fh "}"
close $fh
}
#
# Use seL4 elfloader tool to generate bootable image on ARM
#
if {[have_spec arm]} {
if {![have_spec imx6]} {
puts "abort - unknown ARM board"
exit 1
}
# keep Genode image.elf as genode.elf
exec mv [run_dir]/image.elf [run_dir]/genode.elf
# call seL4 elfloader tool to generate image.elf bootable by uboot with 'bootelf' command
set ::env(PLAT) imx6
set ::env(TOOLPREFIX) [cross_dev_prefix]
exec [sel4_elfloader_dir]/gen_boot_image.sh [run_dir]/sel4 [run_dir]/genode.elf [run_dir]/image.elf
}
run_image [run_dir]/image.elf
# set symbolic link to image.elf file in TFTP directory for PXE boot
if {[have_spec arm] && [have_include "load/tftp"]} {
exec ln -sf [pwd]/[run_dir]/image.elf [load_tftp_base_dir][load_tftp_offset_dir]
if {[have_include "image/uboot"]} {
exec ln -sf [pwd]/[run_dir]/uImage [load_tftp_base_dir][load_tftp_offset_dir]
}
}
if {[have_spec x86] && [have_include "load/tftp"]} {
#
# Install PXE bootloader pulsar
#
install_pxe_bootloader_to_run_dir
#
# Generate pulsar config file
#
set fh [open "[run_dir]/config-52-54-00-12-34-56" "WRONLY CREAT TRUNC"]
puts $fh " exec /boot/bender phys_max=256M"
puts $fh " load /sel4 disable_iommu"
puts $fh " load /image.elf"
close $fh
generate_tftp_config
}
if {[have_spec x86] && [have_include "load/ipxe"]} {
create_ipxe_iso_config
update_ipxe_boot_dir
create_symlink_for_iso
}
}
##
# Base source archive within depot
#
proc base_src { } { return base-sel4 }