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rename config.outputs to config.system.outputs

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New rules: everything under "config" that isn't actually configuration
(e.g. build products) will in future live in config.system. This is
the first step.
This commit is contained in:
Daniel Barlow
2023-07-13 19:24:59 +01:00
parent 492317623d
commit 2e50368bd2
13 changed files with 236 additions and 122 deletions
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78
modules/tftpboot.nix
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@@ -13,40 +13,58 @@ in {
type = types.int;
default = 0;
};
options.system.outputs = {
tftpboot = mkOption {
type = types.package;
description = ''
Directory containing files needed for TFTP booting
'';
};
boot-scr = mkOption {
type = types.package;
description = ''
U-Boot commands to load and boot a kernel and rootfs over TFTP.
Copy-paste into the device boot monitor
'';
};
};
config = {
boot.ramdisk.enable = true;
outputs.tftpboot =
let o = config.outputs; in
pkgs.runCommand "tftpboot" {} ''
mkdir $out
cd $out
ln -s ${o.rootfs} rootfs
ln -s ${o.kernel} vmlinux
ln -s ${o.manifest} manifest
ln -s ${o.kernel.headers} build
ln -s ${o.uimage} uimage
ln -s ${o.boot-scr} boot.scr
'';
system.outputs = rec {
tftpboot =
let o = config.system.outputs; in
pkgs.runCommand "tftpboot" {} ''
mkdir $out
cd $out
ln -s ${o.rootfs} rootfs
ln -s ${o.kernel} vmlinux
ln -s ${o.manifest} manifest
ln -s ${o.kernel.headers} build
ln -s ${o.uimage} uimage
ln -s ${o.boot-scr} boot.scr
'';
outputs.boot-scr =
let
inherit (pkgs.lib.trivial) toHexString;
in
pkgs.buildPackages.runCommand "boot-scr" {} ''
uimageSize=$(($(stat -L -c %s ${config.outputs.uimage}) + 0x1000 &(~0xfff)))
rootfsStart=0x$(printf %x $((${cfg.loadAddress} + 0x100000 + $uimageSize)))
rootfsBytes=$(($(stat -L -c %s ${config.outputs.rootfs}) + 0x100000 &(~0xfffff)))
rootfsBytes=$(($rootfsBytes + ${toString cfg.freeSpaceBytes} ))
cmd="mtdparts=phram0:''${rootfsMb}M(rootfs) phram.phram=phram0,''${rootfsStart},''${rootfsBytes},${config.hardware.flash.eraseBlockSize} memmap=''${rootfsBytes}\$''${rootfsStart} root=/dev/mtdblock0";
boot-scr =
let
inherit (pkgs.lib.trivial) toHexString;
o = config.system.outputs;
in
pkgs.buildPackages.runCommand "boot-scr" {} ''
uimageSize=$(($(stat -L -c %s ${o.uimage}) + 0x1000 &(~0xfff)))
rootfsStart=0x$(printf %x $((${cfg.loadAddress} + 0x100000 + $uimageSize)))
rootfsBytes=$(($(stat -L -c %s ${o.rootfs}) + 0x100000 &(~0xfffff)))
rootfsBytes=$(($rootfsBytes + ${toString cfg.freeSpaceBytes} ))
cmd="mtdparts=phram0:''${rootfsMb}M(rootfs) phram.phram=phram0,''${rootfsStart},''${rootfsBytes},${config.hardware.flash.eraseBlockSize} memmap=''${rootfsBytes}\$''${rootfsStart} root=/dev/mtdblock0";
cat > $out << EOF
setenv serverip ${cfg.serverip}
setenv ipaddr ${cfg.ipaddr}
setenv bootargs 'liminix $cmd'
tftp 0x$(printf %x ${cfg.loadAddress}) result/uimage ; tftp 0x$(printf %x $rootfsStart) result/rootfs
bootm 0x$(printf %x ${cfg.loadAddress})
EOF
'';
cat > $out << EOF
setenv serverip ${cfg.serverip}
setenv ipaddr ${cfg.ipaddr}
setenv bootargs 'liminix $cmd'
tftp 0x$(printf %x ${cfg.loadAddress}) result/uimage ; tftp 0x$(printf %x $rootfsStart) result/rootfs
bootm 0x$(printf %x ${cfg.loadAddress})
EOF
'';
};
};
}