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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
69 lines
1.5 KiB
Plaintext
69 lines
1.5 KiB
Plaintext
##
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# Load files needed by the scenario via iPXE/HTTP
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#
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# \param --load-ipxe-base-dir base directory of iPXE/HTTP server
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# \param --load-ipxe-boot-dir boot directory relative to HTTP base
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#
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source [genode_dir]/tool/run/load.inc
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##
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# The files are loaded implicitly via iPXE/HTTP to the target machine
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#
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proc run_load { } {
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global load_spawn_id
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set load_spawn_id -1
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return true
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}
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proc load_ipxe_base_dir { } { return [get_cmd_arg --load-ipxe-base-dir ""] }
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proc load_ipxe_boot_dir { } { return [get_cmd_arg --load-ipxe-boot-dir ""] }
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##
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# Install files needed to boot via iPXE
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#
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proc install_bender_to_run_dir { } {
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exec mkdir -p [run_dir]/boot
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exec cp [genode_dir]/tool/boot/bender [run_dir]/boot/bender
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}
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##
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# Create symlink for ISO image in current run directory.
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#
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proc create_symlink_for_iso { } {
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exec ln -sfn [pwd]/[run_dir].iso [pwd]/[run_dir]/[run_name].iso
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}
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##
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# Update iPXE boot directory to point to current run directory.
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#
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proc update_ipxe_boot_dir { } {
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exec ln -sfn [pwd]/[run_dir] [load_ipxe_base_dir]/[load_ipxe_boot_dir]
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}
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##
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# Create iPXE config file which directly boots an ISO file.
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#
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proc create_ipxe_iso_config { } {
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if {[have_include "image/iso"]} {
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set fh [open "[run_dir]/boot.cfg" "WRONLY CREAT TRUNC"]
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puts $fh "#!ipxe"
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puts $fh "sanboot [run_name].iso || goto failed"
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puts $fh
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puts $fh ":failed"
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puts $fh "echo Booting failed, dropping to shell"
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puts $fh "shell"
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puts $fh "boot"
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close $fh
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} else {
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puts "Warning, iPXE requires ISO image."
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exit -1
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}
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}
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