restructure for regz rewrite

.gitignore

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+zig-out
+zig-cache

README.adoc

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+= Nordic nrf5x
+
+HALs and register definitions for nrf5x devices
+
+== Renode supports:
+
+- nrf52840 development kit

build.zig

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+const std = @import("std");
+const microzig = @import("deps/microzig/src/main.zig");
+const chips = @import("src/chips.zig");
+
+pub fn build(b: *std.build.Builder) void {
+    const optimize = b.standardOptimizeOption(.{});
+    inline for (@typeInfo(chips).Struct.decls) |decl| {
+        if (!decl.is_pub)
+            continue;
+
+        const exe = microzig.addEmbeddedExecutable(
+            b,
+            decl.name ++ ".minimal",
+            "test/programs/minimal.zig",
+            .{ .chip = @field(chips, decl.name) },
+            .{ .optimize = optimize },
+        );
+        exe.install();
+    }
+}

src/chips.zig

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+const std = @import("std");
+const micro = @import("../deps/microzig/src/main.zig");
+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 },
+    },
+};

test/nrf52840.robot

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+*** Settings ***
+Suite Setup     Setup
+Suite Teardown  Teardown
+Test Teardown   Test Teardown
+Resource        ${RENODEKEYWORDS}
+
+*** Test Cases ***
+Should Print Help
+    ${x}=  Execute Command     help
+           Should Contain      ${x}    Available commands:

test/programs/minimal.zig

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+const micro = @import("microzig");
+
+pub fn main() void {
+    // This function will contain the application logic.
+}