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8eec092851
This makes use of the iPXE sanboot command [1] which downloads and
boots an ISO image directly via HTTP. Therefore, your RUN_OPT needs
both
--include image/iso and
--include load/ipxe
NOTE: The webserver serving the ISO image must support ranged requests,
see [2].
[1] - http://ipxe.org/cmd/sanboot
[2] - http://forum.ipxe.org/showthread.php?tid=7295&pid=10482#pid10482
262 lines
6.4 KiB
Plaintext
262 lines
6.4 KiB
Plaintext
#
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# \brief Fiasco.OC-specific test-environment supplements
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# \author Stefan Kalkowski
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# \date 2010-11-22
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#
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# This file is meant to be used as '--include' argument for 'tool/run'.
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#
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##
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# Return the location of the Fiasco.OC user directory
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#
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proc l4_dir { } {
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global _l4_dir
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if {![info exists _l4_dir]} {
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if {[file exists etc/foc.conf]} {
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set _l4_dir [exec sed -n "/^L4_BUILD_DIR/s/^.*=\\s*//p" etc/foc.conf]
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if {[file exists $_l4_dir]} { return $_l4_dir }
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}
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set _l4_dir "[pwd]/l4"
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if {![file exists $_l4_dir]} {
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puts -nonewline stderr "Error: Could neither find the L4 build directory "
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puts -nonewline stderr "within '<genode-build-dir>/l4' nor at a location "
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puts -nonewline stderr "specified via 'L4_BUILD_DIR = <l4re-build-dir>' "
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puts stderr "in <genode-build-dir>/etc/foc.conf'."
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exit 1
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}
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}
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return $_l4_dir
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}
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##
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# Return whether the l4-buid-directory is provided from the outside
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#
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proc l4_dir_external { } {
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if {[l4_dir] == "[pwd]/l4"} { return 0 }
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return 1
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}
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##
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# Return the location of the Fiasco.OC kernel directory
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#
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proc fiasco { } {
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global _fiasco
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if {![info exists _fiasco]} {
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if {[file exists etc/foc.conf]} {
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set _fiasco [exec sed -n "/^KERNEL/s/^.*=\\s*//p" etc/foc.conf]
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if {[file exists $_fiasco]} { return $_fiasco }
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}
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# try to fall back to version hosted with the Genode build directory
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set _fiasco "[pwd]/kernel/fiasco.oc/fiasco"
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}
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return $_fiasco
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}
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##
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# Return whether fiasco kernel is provided from the outside
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#
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proc fiasco_external { } {
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if {[fiasco] == "[pwd]/kernel/fiasco.oc/fiasco"} { return 0 }
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return 1
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}
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##
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# Reset the target system via the Fiasco.OC kernel debugger
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#
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proc reset_target { {spawn_id_arg -1} } {
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global spawn_id
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if { $spawn_id_arg == -1 } {
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set spawn_id_arg $spawn_id
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}
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send -i $spawn_id_arg "\033^^"
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}
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proc copy_and_strip_binaries {binaries} {
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#
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# Collect contents of the boot image
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#
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foreach binary $binaries {
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exec cp bin/$binary [run_dir]/genode
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catch {
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exec [cross_dev_prefix]strip [run_dir]/genode/$binary }
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}
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}
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proc bin_dir { } {
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if {[have_spec x86_32]} { return "[l4_dir]/bin/x86_586" }
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if {[have_spec x86_64]} { return "[l4_dir]/bin/amd64_K8" }
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if {[have_spec arm_v7a]} { return "[l4_dir]/bin/arm_armv7a" }
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if {[have_spec arm_v6]} { return "[l4_dir]/bin/arm_armv6" }
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puts stderr "Error: Cannot determine bin directory"
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exit 1
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}
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set fiasco_serial_esc_arg "-serial_esc "
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proc run_boot_dir_x86 {binaries} {
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global fiasco_serial_esc_arg
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exec mkdir -p [run_dir]/fiasco
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copy_and_strip_binaries $binaries
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set foc_targets { }
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if {![fiasco_external] && ![file exists kernel]} { lappend foc_targets kernel }
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if {![l4_dir_external]} {
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if {![file exists bootstrap]} { lappend foc_targets bootstrap }
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if {![file exists sigma0]} { lappend foc_targets sigma0 }
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}
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if {[llength $foc_targets] > 0} { build $foc_targets }
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# assert existence of the L4 build directory
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l4_dir
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puts "using fiasco kernel [fiasco]"
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exec cp [fiasco] [run_dir]/fiasco
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puts "using sigma0/bootstrap at [l4_dir]"
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exec cp [bin_dir]/l4f/sigma0 [run_dir]/fiasco
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exec cp [bin_dir]/bootstrap [run_dir]/fiasco
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if {[have_include "image/iso"] || [have_include "image/disk"]} {
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#
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# Install isolinux/GRUB files and bender
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#
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install_iso_bootloader_to_run_dir
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#
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# Generate grub config file
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#
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# The core binary is part of the 'binaries' list but it must
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# appear right after 'sigma0' as boot module. Hence the special case.
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#
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set fh [open "[run_dir]/boot/grub/menu.lst" "WRONLY CREAT TRUNC"]
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puts $fh "timeout 0"
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puts $fh "default 0"
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puts $fh "\ntitle Genode on Fiasco.OC"
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puts $fh " kernel /boot/bender"
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puts $fh " module /fiasco/bootstrap"
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puts $fh " module /fiasco/fiasco $fiasco_serial_esc_arg"
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puts $fh " module /fiasco/sigma0"
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puts $fh " module /genode/core"
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puts $fh " module /genode/config"
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foreach binary $binaries {
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if {$binary != "core"} {
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puts $fh " module /genode/$binary" } }
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puts $fh " vbeset 0x117 506070"
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close $fh
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}
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#
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# Build image
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#
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run_image
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if {[have_include "load/tftp"]} {
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#
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# Install PXE bootloader pulsar
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#
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install_pxe_bootloader_to_run_dir
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#
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# Generate pulsar config file
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#
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set fh [open "[run_dir]/config-52-54-00-12-34-56" "WRONLY CREAT TRUNC"]
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puts $fh " exec /boot/bender"
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puts $fh " load /fiasco/bootstrap"
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puts $fh " load /fiasco/fiasco -serial_esc"
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puts $fh " load /fiasco/sigma0"
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puts $fh " load /genode/core"
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puts $fh " load /genode/config"
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foreach binary $binaries {
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if {$binary != "core"} {
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puts $fh " load /genode/$binary" } }
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close $fh
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generate_tftp_config
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}
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if {[have_include "load/ipxe"]} {
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create_ipxe_iso_config
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update_ipxe_boot_dir
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create_symlink_for_iso
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}
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}
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proc run_boot_dir_arm {binaries} {
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global run_target
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global fiasco_serial_esc_arg
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copy_and_strip_binaries $binaries
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build "kernel sigma0 bootstrap"
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#
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# Generate bootstrap config
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#
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set fh [open "[run_dir]/modules.list" "WRONLY CREAT TRUNC"]
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puts $fh "modaddr 0x01100000\n"
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puts $fh "entry genode"
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puts $fh "kernel [fiasco] $fiasco_serial_esc_arg"
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puts $fh "roottask genode/core"
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puts $fh "module genode/config"
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foreach binary $binaries {
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if {$binary != "core"} {
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puts $fh "module genode/$binary" } }
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close $fh
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set gen_img_cmd "make -C [l4_dir]/source O=[l4_dir] E=genode "
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append gen_img_cmd "MODULES_LIST=[pwd]/[run_dir]/modules.list "
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append gen_img_cmd "MODULE_SEARCH_PATH=[pwd]/[run_dir]:[file dirname [fiasco]]:[l4_dir] "
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append gen_img_cmd "SYSTEM_TARGET=[cross_dev_prefix] elfimage"
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set pid [eval "spawn sh -c \"$gen_img_cmd\""]
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expect { eof { } }
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if {[lindex [wait $pid] end] != 0} {
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puts stderr "Error: Single-image creation failed"
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exit -4
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}
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exec cp [bin_dir]/bootstrap.elf [run_dir]/image.elf
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run_image [run_dir]/image.elf
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puts "\nboot image: [run_dir]/image.elf\n"
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# set symbolic link to image.elf file in TFTP directory for PXE boot
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if {[have_include "load/tftp"]} {
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set tftp_base_dir [load_tftp_base_dir]
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set tftp_offset_dir [load_tftp_offset_dir]
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exec ln -sf [pwd]/[run_dir]/image.elf $tftp_base_dir$tftp_offset_dir
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if {[have_include "image/uboot"]} {
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exec ln -sf [pwd]/[run_dir]/uImage $tftp_base_dir$tftp_offset_dir/uImage
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}
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}
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}
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proc run_boot_string { } {
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return "L4 Bootstrapper"
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}
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##
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# Populate boot directory with binaries on fiasco.OC
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#
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proc run_boot_dir {binaries} {
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if {[have_spec x86]} { return [run_boot_dir_x86 $binaries] }
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if {[have_spec arm]} { return [run_boot_dir_arm $binaries] }
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}
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