buildroot-v86/board/v86/rootfs_overlay/etc/profile.xrsh

@@ -38,7 +38,7 @@ test -d /dev/browser || {
   }
 
   setup_overlayfs(){
-    test -f /mnt/overlayfs.zip && ziprun /mnt/overlayfs.zip 
+    test -f /mnt/overlayfs.zip && unzip /mnt/overlayfs.zip -d /
   }
 
   setup_incoming_cmds(){

buildroot-v86/board/v86/rootfs_overlay/root/hook.d/URI/fragment/exec.sh

@@ -1,13 +1,12 @@
 #!/bin/sh
 source /etc/profile.sh # expose xrsh cmds like require etc
 
-if [[ "$1" =~ "pos=|t=" ]]; then 
-  # we are dealing with XR or Media Fragments  (ignore for now)
-  echo "[x] detected Media/XR Fragment in URI: $1"
+if [[ "$1" =~ pos=|t= ]] then 
+  # we are dealing with XR or Media Fragments 
+  exit # ignore for now 
 fi
 
 # otherwise execute
 echo "" # clear line
 $*      # simply execute
 echo "$*"  >> /tmp/frag.log
-

edit.sh

@@ -1,15 +1,11 @@
 #!/bin/bash
 set -e
-export BR2_EXTERNAL=/buildroot-v86 
-export BR2_PACKAGE_BUSYBOX_CONFIG=/buildroot-v86/configs/busybox.config 
-make v86_defconfig
+make BR2_EXTERNAL=/buildroot-v86 v86_defconfig
 
 make menuconfig
 make busybox-menuconfig
 make linux-menuconfig
-make savedefconfig          # /buildroot-v86/configs/v86_defconfig
+make savedefconfig
 make linux-savedefconfig
-make linux-update-defconfig # /buildroot-v86/configs/linux.config
-make busybox-update-defconfig # /buildroot-v86/configs/linux.config
 
 make

nix/README.md

@@ -1,23 +0,0 @@
-# Nix-compiled binaries for xrsh.iso
-
-Crosscompiling used to be tricky, due to dependencies.
-With Nix this belongs to the past.
-
-# building hello.c
-
-```bash
-$ nix-shell --run '$CC hello.c -o hello' hello.nix
-$ file hello 
-hello: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), statically linked, not stripped
-```
-
-# building a nixos pkg
-
-```bash
-$ nix-build '<nixpkgs>' --pure -I nixpkgs=channel:nixos-24.05 -A pkgsCross.musl32.pkgsStatic.hello
-$ file hello
-hello: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), statically linked, not stripped
-```
-
-use the build-shellscripts in this directory as a startingpoint for your xrsh binaries.
-

nix/build_nixpkg.sh

@@ -3,7 +3,6 @@
 #test -n "$ARCH"    || ARCH=i686-embedded
 test -n "$ARCH"    || ARCH=musl32
 test -n "$CHANNEL" || CHANNEL=nixos-24.05 
-test -n "$1" || { echo "usage: [ARCH=...] [CHANNEL=...] build_nixpkg.sh <packagename> [outfile]"; exit 0; }
-set -xe
+test -n "$1" || { echo "usage: [ARCH=...] [CHANNEL=...] build_nixpkg.sh <packagename>"; exit 0; }
+set -x
 nix-build '<nixpkgs>' --pure -I nixpkgs=channel:$CHANNEL -A pkgsCross.$ARCH.pkgsStatic.$1
-test -n "$2" && cp result/bin/$1 $2

nix/chibicc.nix

@@ -0,0 +1,23 @@
+{ pkgs ? import <nixpkgs> {} }:
+
+pkgs.mkShell {
+  buildInputs = [
+    pkgs.pkg-config
+    pkgs.gnumake  # For running make
+    pkgs.gcc_multi # GCC with multi-lib support (32-bit and 64-bit)
+    pkgs.glibc_multi
+    pkgs.gccMultiStdenv
+    pkgs.binutils
+  ];
+
+  # Set up environment variables for cross-compilation to 32-bit
+  shellHook = ''
+    export CC="gcc -m32 -static"
+    export CXX="g++ -m32 -static"
+    export LD="ld -m elf_i386"
+    echo "32-bit cross-compilation environment with static linking is set up."
+    git clone https://github.com/rui314/chibicc
+    cd chibicc
+    make
+  '';
+}

nix/configuration.nix

@@ -0,0 +1,43 @@
+# /etc/nixos/configuration.nix
+{ config, pkgs, ... }:
+
+{
+  # Set the hostname of the system
+  networking.hostName = "nixos-minimal"; 
+
+  # Enable the OpenSSH service (optional, useful for remote access)
+  services.openssh.enable = false;
+
+  # Timezone configuration
+  time.timeZone = "UTC";
+
+  # Set the default shell to bash
+  users.defaultUserShell = pkgs.bash;
+
+  # Create a minimal user (replace "your-user" with desired username)
+  users.users.yourUser = {
+    isNormalUser = true;
+    shell = pkgs.bash;
+    initialPassword = "password";  # Replace with a hashed password for production
+  };
+
+  # Boot loader (for booting the system)
+  boot.loader.grub.enable = true;
+  boot.loader.grub.version = 2;
+  boot.loader.grub.devices = [ "/dev/sda" ]; # Replace with your actual boot device
+
+  # Allow unfree packages (if needed)
+  nixpkgs.config.allowUnfree = true;
+
+  # Enable virtual console
+  console.useXkbConfig = true;
+
+  # Enable bash as a package (part of the basic system environment)
+  environment.systemPackages = with pkgs; [
+    bash
+  ];
+
+  # Disable the display manager (minimal CLI system, no graphical interface)
+  services.xserver.enable = false;
+}
+

nix/cross.nix

@@ -0,0 +1,12 @@
+let
+  nixpkgs = fetchTarball "https://github.com/NixOS/nixpkgs/tarball/release-24.05";
+  pkgs = (import nixpkgs {}).pkgsCross.i686-embedded;
+in
+
+# callPackage is needed due to https://github.com/NixOS/nixpkgs/pull/126844
+pkgs.pkgsStatic.callPackage ({ mkShell, zlib, pkg-config, file }: mkShell {
+  # these tools run on the build platform, but are configured to target the host platform
+  nativeBuildInputs = [ pkg-config file ];
+  # libraries needed for the host platform
+  buildInputs = [ zlib ];
+}) {}

nix/hello.nix

@@ -5,8 +5,8 @@ in
 
 # callPackage is needed due to https://github.com/NixOS/nixpkgs/pull/126844
 pkgs.pkgsStatic.callPackage ({ mkShell, fuse, pkg-config, file }: mkShell {
-  ## these tools run on the build platform, but are configured to target the host platform
-  #nativeBuildInputs = [ pkg-config file ];
-  ## libraries needed for the host platform
-  #buildInputs = [ fuse ];
+  # these tools run on the build platform, but are configured to target the host platform
+  nativeBuildInputs = [ pkg-config file ];
+  # libraries needed for the host platform
+  buildInputs = [ fuse ];
 }) {}

nix/howto.txt

@@ -0,0 +1,3 @@
+nix-shell --run gcc -m32 -static hello.c -o hello cross.nix
+nix-shell --run 'gcc -m32 -static hello.c -o hello' cross.nix
+nix-build '<nixpkgs>' -I nixpkgs=channel:nixos-24.05 -A pkgsCross.i686-embedded.hello --show-trace