rename flashable->flashimage, o.squashfs to rootfs

"rootfs" describes what it is for, "squashfs" merely says
how it's implemented

(also, rootfs-as-jffs2 will soon be added)

modules/flashimage.nix

@@ -25,15 +25,15 @@ in {
       let o = config.outputs; in
       pkgs.runCommand "firmware" {} ''
         dd if=${o.uimage} of=$out bs=128k conv=sync
-        dd if=${o.squashfs} of=$out bs=128k conv=sync,nocreat,notrunc oflag=append
+        dd if=${o.rootfs} of=$out bs=128k conv=sync,nocreat,notrunc oflag=append
       '';
-    outputs.flashable =
+    outputs.flashimage =
       let o = config.outputs; in
-      pkgs.runCommand "flashable" {} ''
+      pkgs.runCommand "flashimage" {} ''
         mkdir $out
         cd $out
         ln -s ${o.firmware} firmware.bin
-        ln -s ${o.squashfs} squashfs
+        ln -s ${o.rootfs} rootfs
         ln -s ${o.kernel} vmlinux
         ln -s ${o.manifest} manifest
         ln -s ${o.kernel.headers} build

modules/kexecboot.nix

@@ -16,7 +16,7 @@ in {
       pkgs.runCommand "kexecboot" {} ''
         mkdir $out
         cd $out
-        ln -s ${o.squashfs} squashfs
+        ln -s ${o.rootfs} rootfs
         ln -s ${o.kernel} kernel
         ln -s ${o.manifest} manifest
         ln -s ${o.boot-sh} boot.sh
@@ -27,19 +27,19 @@ in {
     outputs.boot-sh =
       let
         inherit (pkgs.lib.trivial) toHexString;
-        inherit (config.outputs) squashfs kernel;
+        inherit (config.outputs) rootfs kernel;
         cmdline = concatStringsSep " " config.boot.commandLine;
       in
         pkgs.buildPackages.runCommand "boot.sh.sh" {
         } ''
-          squashfsStart=${toString (100 * 1024 * 1024)}
-          squashfsBytes=$(stat -L -c %s ${squashfs})
-          append_cmd="mtdparts=phram0:''${squashfsBytes}(rootfs) phram.phram=phram0,''${squashfsStart},''${squashfsBytes} memmap=''${squashfsBytes}\$''${squashfsStart}";
+          rootfsStart=${toString (100 * 1024 * 1024)}
+          rootfsBytes=$(stat -L -c %s ${rootfs})
+          append_cmd="mtdparts=phram0:''${rootfsBytes}(rootfs) phram.phram=phram0,''${rootfsStart},''${rootfsBytes} memmap=''${rootfsBytes}\$''${rootfsStart}";
           cat > $out <<EOF
           #!/bin/sh
           test -d \$1
           cd \$1
-          ./kexec -f -d --map-file squashfs@$squashfsStart --dtb dtb --command-line '${cmdline} $append_cmd' kernel
+          ./kexec -f -d --map-file rootfs@$rootfsStart --dtb dtb --command-line '${cmdline} $append_cmd' kernel
           EOF
         '';
   };

modules/outputs.nix

@@ -17,7 +17,7 @@ in
   };
   config = {
     outputs = rec {
-      squashfs = liminix.builders.squashfs config.filesystem.contents;
+      rootfs = liminix.builders.squashfs config.filesystem.contents;
       tftpd = pkgs.buildPackages.tufted;
       kernel = liminix.builders.kernel.override {
         inherit (config.kernel) config src extraPatchPhase;
@@ -40,13 +40,13 @@ in
       } ''
         mkdir $out
         dd if=${uimage} of=$out/firmware.bin bs=128k conv=sync
-        dd if=${squashfs} of=$out/firmware.bin bs=128k conv=sync,nocreat,notrunc oflag=append
+        dd if=${rootfs} of=$out/firmware.bin bs=128k conv=sync,nocreat,notrunc oflag=append
       '';
 
       vmroot = pkgs.runCommand "qemu" {} ''
         mkdir $out
         cd $out
-        ln -s ${squashfs} squashfs
+        ln -s ${rootfs} rootfs
         ln -s ${kernel} vmlinux
         ln -s ${manifest} manifest
         ln -s ${kernel.headers} build

modules/tftpboot.nix

@@ -17,7 +17,7 @@ in {
       pkgs.runCommand "tftpboot" {} ''
         mkdir $out
         cd $out
-        ln -s ${o.squashfs} squashfs
+        ln -s ${o.rootfs} rootfs
         ln -s ${o.kernel} vmlinux
         ln -s ${o.manifest} manifest
         ln -s ${o.kernel.headers} build
@@ -31,16 +31,16 @@ in {
       in
         pkgs.buildPackages.runCommand "boot-scr" {} ''
           uimageSize=$(($(stat -L -c %s ${config.outputs.uimage}) + 0x1000 &(~0xfff)))
-          squashfsStart=0x$(printf %x $((${cfg.loadAddress} + 0x100000 + $uimageSize)))
-          squashfsBytes=$(($(stat -L -c %s ${config.outputs.squashfs}) + 0x100000 &(~0xfffff)))
-          squashfsMb=$(($squashfsBytes >> 20))
-          cmd="mtdparts=phram0:''${squashfsMb}M(rootfs) phram.phram=phram0,''${squashfsStart},''${squashfsMb}Mi memmap=''${squashfsMb}M\$''${squashfsStart} root=1f00";
+          rootfsStart=0x$(printf %x $((${cfg.loadAddress} + 0x100000 + $uimageSize)))
+          rootfsBytes=$(($(stat -L -c %s ${config.outputs.rootfs}) + 0x100000 &(~0xfffff)))
+          rootfsMb=$(($rootfsBytes >> 20))
+          cmd="mtdparts=phram0:''${rootfsMb}M(rootfs) phram.phram=phram0,''${rootfsStart},''${rootfsMb}Mi memmap=''${rootfsMb}M\$''${rootfsStart} root=1f00";
 
           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 $squashfsStart) result/squashfs
+          tftp 0x$(printf %x ${cfg.loadAddress}) result/uimage ; tftp 0x$(printf %x $rootfsStart) result/rootfs
           bootm 0x$(printf %x ${cfg.loadAddress})
           EOF
         '';