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|
{
inputs = {
fenix-flake = {
url = "github:nix-community/fenix";
inputs.nixpkgs.follows = "nixpkgs";
};
};
outputs =
{
self,
fenix-flake,
flake-utils,
nixpkgs,
}:
flake-utils.lib.eachSystem
[
"aarch64-linux"
"x86_64-linux"
]
(
system:
let
pkgs = nixpkgs.legacyPackages.${system};
fenix = fenix-flake.packages.${system};
arches = import ./arches.nix;
python = pkgs.python3.withPackages (ps: [ ps.ninja ]);
rust-toolchain = fenix.combine (
[
fenix.stable.cargo
fenix.stable.rustc
fenix.stable.clippy
]
++ (builtins.map ({ rust-target, ... }: fenix.targets.${rust-target}.stable.rust-std) (
builtins.attrValues arches
))
);
packages = rec {
kernel = import ./boards {
inherit
arches
libkernel
nixpkgs
pkgs
python
system
;
};
libkernel = import ./crates {
inherit
arches
fenix
nixpkgs
system
;
};
};
run-qemu-virt = pkgs.writeShellApplication {
name = "run-qemu-virt";
runtimeInputs = [ pkgs.qemu ];
text = ''
set -x
qemu-system-riscv64 \
-machine virt \
-m 1G \
-nographic \
-bios none \
-kernel ${packages.kernel.qemu-virt}/vernos_kernel.elf \
"$@"
'';
};
in
{
apps = {
default = {
type = "app";
program = pkgs.lib.getExe run-qemu-virt;
};
run = {
type = "app";
program = pkgs.lib.getExe run-qemu-virt;
};
debug = {
type = "app";
program = pkgs.lib.getExe (
pkgs.writeShellApplication {
name = "run-vm-debug";
runtimeInputs = [ run-qemu-virt ];
text = ''
port=$(( 1000 * ("$(id -u)" - 990) ))
run-qemu-virt -gdb tcp::$port -S "$@"
'';
}
);
};
gdb = {
type = "app";
program = pkgs.lib.getExe (
pkgs.writeShellApplication {
name = "gdb";
text = ''
port=$(( 1000 * ("$(id -u)" - 990) ))
rust-gdb ${packages.kernel.qemu-virt}/vernos_kernel.elf \
-ex "symbol-file ${packages.kernel.qemu-virt}/vernos_kernel.sym" \
-ex "target remote 127.0.0.1:$port" \
-ex "set riscv use-compressed-breakpoints yes" \
-ex "layout asm" \
-ex "layout regs" \
-ex "focus cmd" \
-ex "tbreak hart0_boot" \
-ex "c"
'';
}
);
};
};
devShells.default = pkgs.mkShell {
nativeBuildInputs =
[
(pkgs.callPackage ./nix/miri.nix { inherit fenix; })
pkgs.cargo-watch
pkgs.qemu
python
rust-toolchain
]
++ (builtins.map (
{ crossSystem, ... }:
(import nixpkgs {
inherit system;
crossSystem.config = crossSystem;
}).stdenv.cc.bintools.bintools
) (builtins.attrValues arches));
};
packages = flake-utils.lib.flattenTree packages;
}
);
}
|
