41 lines
1.3 KiB
Nix
41 lines
1.3 KiB
Nix
# This Nix expression builds the script that performs the first stage
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# of booting the system: it loads the modules necessary to mount the
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# root file system, then calls /init in the root file system to start
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# the second boot stage. The closure of the result of this expression
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# is supposed to be put into an initial RAM disk (initrd).
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{ substituteAll, staticShell, staticTools
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, module_init_tools, extraUtils, modules, modulesDir
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, # Whether to find root device automatically using its label.
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autoDetectRootDevice
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, # If not scanning, the root must be specified explicitly.
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rootDevice
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# If scanning, we need a disk label.
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, rootLabel
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, # The path of the stage 2 init to call once we've mounted the root
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# device.
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stage2Init ? "/init"
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}:
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substituteAll {
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src = ./boot-stage-1-init.sh;
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isExecutable = true;
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inherit staticShell modules modulesDir;
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inherit autoDetectRootDevice;
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rootDevice = if !autoDetectRootDevice then rootDevice else "";
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rootLabel = if autoDetectRootDevice then rootLabel else "";
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path = [
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staticTools
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module_init_tools
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extraUtils
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];
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# We only want the path of the stage 2 init, we don't want it as a
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# dependency (since then it the stage 2 init would end up in the
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# initrd).
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stage2Init = toString stage2Init; # !!! doesn't work
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}
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