78 lines
2.3 KiB
Nix
78 lines
2.3 KiB
Nix
{
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inputs.nixpkgs.url = "github:rodarima/nixpkgs/fix-pkgs-static-gcc-march";
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#inputs.bscpkgs.url = "path:/home/Computational/rarias/bscpkgs";
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inputs.bscpkgs.url = "/home/Computational/rarias/bscpkgs";
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outputs = { self, nixpkgs, bscpkgs, ... }:
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let
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system = "x86_64-linux";
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#overlay = import ./overlay.nix;
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#pkgs = import nixpkgs { inherit system; };
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in {
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#overlay = import ./overlay.nix;
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nixosConfigurations = {
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# The qemu configuration defines a system that runs in the RISC-V
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# architecture, but is build from an x86 host machine.
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qemu = nixpkgs.lib.nixosSystem {
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specialArgs = { inherit self; };
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system = "${system}";
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modules = [
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./configuration.nix
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./vm.nix
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];
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};
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# Same, but disable compressed instructions
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qemu-nc = nixpkgs.lib.nixosSystem {
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specialArgs = { inherit self; };
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system = "${system}";
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modules = [
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./configuration.nix
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./vm.nix
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./no-compressed.nix
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];
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};
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# FPGA Lagarto Hun CPU
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lagarto-hun = nixpkgs.lib.nixosSystem {
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specialArgs = { inherit self; };
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system = "${system}";
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modules = [
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./configuration.nix
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./lagarto-hun.nix
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./no-compressed.nix
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];
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};
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};
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# A development shell with QEMU ready to boot the RISC-V system in an x86
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# machine.
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devShells.x86_64-linux.default =
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let
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nixosconf = self.nixosConfigurations.qemu-nc;
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syspkgs = nixosconf.pkgs;
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toplevel = nixosconf.config.system.build.toplevel;
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in syspkgs.mkShell {
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pname = "qemu-shell";
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buildInputs = with syspkgs; [ qemu e2fsprogs ];
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# Here we tell the run script where to find the system
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NIXOS_SYSTEM_TOPLEVEL = toplevel;
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OPENSBI = syspkgs.opensbi-uboot;
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};
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devShells.x86_64-linux.lagarto-hun =
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let
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nixosconf = self.nixosConfigurations.lagarto-hun;
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syspkgs = nixosconf.pkgs;
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build = nixosconf.config.system.build;
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in syspkgs.mkShell {
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pname = "lagarto-hun-shell";
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TOPLEVEL = build.toplevel;
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OPENSBI = syspkgs.opensbi;
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KERNEL = build.kernel;
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INITRD = build.initialRamdisk;
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ROOTFS = build.sdImage;
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UBOOT_ENV = syspkgs.uboot-env;
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};
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};
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}
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