Microzig Generation 2 Build Interface (#23)

* Rework for MicroZig Gen 2 Build
* Drops CI

---------

Co-authored-by: Felix "xq" Queißner <git@random-projects.net>

.github/FUNDING.yml

@@ -1 +0,0 @@
-github: MasterQ32

.github/workflows/build.yml

@@ -1,19 +0,0 @@
-name: Build
-on:
-  push:
-
-jobs:
-  build:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest]
-        optimize: [Debug, ReleaseSmall, ReleaseFast, ReleaseSafe]
-    steps:
-      - uses: actions/checkout@v2
-      - uses: goto-bus-stop/setup-zig@v2.1.1
-        with:
-          version: 0.11.0
-
-      - name: Build
-        run: zig build install "-Doptimize=${{matrix.optimize}}"

.gitmodules

@@ -1,3 +0,0 @@
-[submodule "deps/microzig"]
-	path = deps/microzig
-	url = https://github.com/ZigEmbeddedGroup/microzig.git

build.zig

@@ -1,19 +1,65 @@
 const std = @import("std");
-const microzig = @import("microzig");
 
-pub const chips = @import("src/chips.zig");
+fn path(comptime suffix: []const u8) std.Build.LazyPath {
+    return .{
+        .cwd_relative = comptime ((std.fs.path.dirname(@src().file) orelse ".") ++ suffix),
+    };
+}
 
-pub fn build(b: *std.build.Builder) void {
-    const optimize = b.standardOptimizeOption(.{});
-    inline for (@typeInfo(chips).Struct.decls) |decl| {
-        const exe = microzig.addEmbeddedExecutable(b, .{
-            .name = decl.name ++ ".minimal",
-            .source_file = .{
-                .path = "test/programs/minimal.zig",
+pub const chips = struct {
+    pub const nrf52840 = .{
+        .preferred_format = .elf,
+        .chip = .{
+            .name = "nrf52840",
+            .url = "https://www.nordicsemi.com/products/nrf52840",
+            .cpu = .cortex_m4,
+            .register_definition = .{
+                .json = path("/src/chips/nrf52840.json"),
+            },
+            .memory_regions = &.{
+                .{ .offset = 0x00000000, .length = 0x100000, .kind = .flash },
+                .{ .offset = 0x20000000, .length = 0x40000, .kind = .ram },
+
+                // EXTFLASH
+                .{ .offset = 0x12000000, .length = 0x8000000, .kind = .flash },
+
+                // CODE_RAM
+                .{ .offset = 0x800000, .length = 0x40000, .kind = .ram },
+            },
+        },
+    };
+
+    pub const nrf52832 = .{
+        .preferred_format = .elf,
+        .chip = .{
+            .name = "nrf52",
+            .url = "https://www.nordicsemi.com/products/nrf52832",
+            .cpu = .cortex_m4,
+            .register_definition = .{
+                .json = path("/src/chips/nrf52.json"),
+            },
+            .memory_regions = &.{
+                .{ .offset = 0x00000000, .length = 0x80000, .kind = .flash },
+                .{ .offset = 0x20000000, .length = 0x10000, .kind = .ram },
             },
-            .backing = .{ .chip = @field(chips, decl.name) },
-            .optimize = optimize,
-        });
-        exe.installArtifact(b);
-    }
+        },
+    };
+};
+
+pub const boards = struct {
+    pub const nordic = struct {
+        pub const nRF52840_Dongle = .{
+            .preferred_format = .elf,
+            .chip = chips.nrf52840.chip,
+            .board = .{
+                .name = "nRF52840 Dongle",
+                .url = "https://www.nordicsemi.com/Products/Development-hardware/nrf52840-dongle",
+                .source_file = path("/src/boards/nrf52840-dongle.zig"),
+            },
+        };
+    };
+};
+
+pub fn build(b: *std.build.Builder) void {
+    _ = b;
 }

build.zig.zon

@@ -1,10 +1,5 @@
 .{
     .name = "microzig-nordic-nrf5x",
     .version = "0.1.0",
-    .dependencies = .{
-        .microzig = .{
-            .url = "https://github.com/ZigEmbeddedGroup/microzig/archive/0b3be0a4cc7e6d45714cb09961efc771e364723c.tar.gz",
-            .hash = "1220ada6d01db7b3d0aa8642df89b1af9ee71b681438249e9a7efb2275fc4cf32152",
-        },
-    },
+    .dependencies = .{},
 }

src/boards/nrf52840-dongle.zig

@@ -0,0 +1 @@
+// TODO: Implement board support

src/chips.zig

@@ -1,38 +0,0 @@
-const std = @import("std");
-const micro = @import("microzig");
-const Chip = micro.Chip;
-const MemoryRegion = micro.MemoryRegion;
-
-fn root_dir() []const u8 {
-    return std.fs.path.dirname(@src().file) orelse unreachable;
-}
-
-pub const nrf52840 = Chip{
-    .name = "nrf52840",
-    .source = .{ .path = root_dir() ++ "/chips/nrf52840.zig" },
-    .json_register_schema = .{ .path = root_dir() ++ "/chips.nrf52840.json" },
-    .cpu = micro.cpus.cortex_m4,
-
-    .memory_regions = &.{
-        MemoryRegion{ .offset = 0x00000000, .length = 0x100000, .kind = .flash },
-        MemoryRegion{ .offset = 0x20000000, .length = 0x40000, .kind = .ram },
-
-        // EXTFLASH
-        MemoryRegion{ .offset = 0x12000000, .length = 0x8000000, .kind = .flash },
-
-        // CODE_RAM
-        MemoryRegion{ .offset = 0x800000, .length = 0x40000, .kind = .ram },
-    },
-};
-
-pub const nrf52832 = Chip{
-    .name = "nrf52",
-    .source = .{ .path = root_dir() ++ "/chips/nrf52.zig" },
-    .json_register_schema = .{ .path = root_dir() ++ "/chips.nrf52.json" },
-    .cpu = micro.cpus.cortex_m4,
-
-    .memory_regions = &.{
-        MemoryRegion{ .offset = 0x00000000, .length = 0x80000, .kind = .flash },
-        MemoryRegion{ .offset = 0x20000000, .length = 0x10000, .kind = .ram },
-    },
-};