add wifi firmware, move things around in ram
* at the base address we were using, the filesystem was getting corrupted presumably because the kernel unpacked into it * leave a little more space between compressed kernel and squashfs. this is probably ineffective but also harmless
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f50b0627a2
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2 changed files with 17 additions and 2 deletions
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@ -15,6 +15,8 @@
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let
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inherit (pkgs.liminix.networking) interface;
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inherit (pkgs.liminix.services) oneshot;
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inherit (pkgs.pseudofile) dir symlink;
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openwrt = pkgs.fetchFromGitHub {
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name = "openwrt-source";
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repo = "openwrt";
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@ -26,7 +28,18 @@
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drivers = ["mt7603e"];
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klibBuild = config.outputs.kernel.modulesupport;
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};
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wlan_firmware = builtins.fetchurl {
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url = "https://github.com/openwrt/mt76/raw/f24b56f935392ca1d35fae5fd6e56ef9deda4aad/firmware/mt7628_e2.bin";
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sha256 = "sha256:1dkhfznmdz6s50kwc841x3wj0h6zg6icg5g2bim9pvg66as2vmh9";
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};
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in {
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filesystem = dir {
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lib = dir {
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firmware = dir {
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"mt7628_e2.bin" = symlink wlan_firmware;
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};
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};
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};
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hardware = {
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defaultOutput = "tftproot";
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loadAddress = "0x80000000";
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@ -77,7 +90,9 @@
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};
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};
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boot.tftp = {
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loadAddress = "0x00A00000";
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# 20MB seems to give enough room to uncompress the kernel
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# without anything getting trodden on. 10MB was too small
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loadAddress = "0x1400000";
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};
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kernel = {
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@ -62,7 +62,7 @@ in {
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in
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pkgs.buildPackages.runCommand "" {} ''
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uimageSize=$(($(stat -L -c %s ${config.outputs.uimage}) + 0x1000 &(~0xfff)))
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squashfsStart=0x$(printf %x $((${cfg.loadAddress} + $uimageSize)))
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squashfsStart=0x$(printf %x $((${cfg.loadAddress} + 0x100000 + $uimageSize)))
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squashfsBytes=$(($(stat -L -c %s ${config.outputs.squashfs}) + 0x100000 &(~0xfffff)))
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squashfsMb=$(($squashfsBytes >> 20))
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cmd="mtdparts=phram0:''${squashfsMb}M(nix) phram.phram=phram0,''${squashfsStart},''${squashfsMb}Mi memmap=''${squashfsMb}M\$''${squashfsStart} root=1f00";
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