initial commit

.gitignore

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+/.vscode
+/.zig-cache
+/zig-out

.zigversion

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+0.14.0

build.zig

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+const std = @import("std");
+
+// Although this function looks imperative, note that its job is to
+// declaratively construct a build graph that will be executed by an external
+// runner.
+pub fn build(b: *std.Build) !void {
+    // Standard target options allows the person running `zig build` to choose
+    // what target to build for. Here we do not override the defaults, which
+    // means any target is allowed, and the default is native. Other options
+    // for restricting supported target set are available.
+    const target = b.standardTargetOptions(.{});
+
+    // Standard optimization options allow the person running `zig build` to select
+    // between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall. Here we do not
+    // set a preferred release mode, allowing the user to decide how to optimize.
+    const optimize = b.standardOptimizeOption(.{});
+
+    // This creates a "module", which represents a collection of source files alongside
+    // some compilation options, such as optimization mode and linked system libraries.
+    // Every executable or library we compile will be based on one or more modules.
+    const mod = b.addModule("acpi", .{
+        // `root_source_file` is the Zig "entry point" of the module. If a module
+        // only contains e.g. external object files, you can make this `null`.
+        // In this case the main source file is merely a path, however, in more
+        // complicated build scripts, this could be a generated file.
+        .root_source_file = b.path("src/root.zig"),
+        .target = target,
+        .optimize = optimize,
+    });
+
+    const uacpi = b.dependency("uacpi", .{});
+    var flags: std.ArrayList([]const u8) = .init(b.allocator);
+
+    for (b.debug_log_scopes) |scope| {
+        if (std.mem.eql(u8, scope, "uacpi")) {
+            try flags.append("-DUACPI_DEFAULT_LOG_LEVEL=UACPI_LOG_TRACE");
+            break;
+        }
+    }
+
+    mod.addIncludePath(uacpi.path("include"));
+    mod.addCSourceFiles(.{
+        .root = uacpi.path("source"),
+        .files = &.{
+            "default_handlers.c",
+            "event.c",
+            "interpreter.c",
+            "io.c",
+            "mutex.c",
+            "namespace.c",
+            "notify.c",
+            "opcodes.c",
+            "opregion.c",
+            "osi.c",
+            "registers.c",
+            "resources.c",
+            "shareable.c",
+            "sleep.c",
+            "stdlib.c",
+            "tables.c",
+            "types.c",
+            "uacpi.c",
+            "utilities.c",
+        },
+        .flags = try flags.toOwnedSlice(),
+    });
+
+    // Creates a step for unit testing. This only builds the test executable
+    // but does not run it.
+    const unit_tests = b.addTest(.{
+        .root_module = mod,
+    });
+
+    const run_unit_tests = b.addRunArtifact(unit_tests);
+
+    // Similar to creating the run step earlier, this exposes a `test` step to
+    // the `zig build --help` menu, providing a way for the user to request
+    // running the unit tests.
+    const test_step = b.step("test", "Run unit tests");
+    test_step.dependOn(&run_unit_tests.step);
+}

build.zig.zon

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+.{
+    // This is the default name used by packages depending on this one. For
+    // example, when a user runs `zig fetch --save <url>`, this field is used
+    // as the key in the `dependencies` table. Although the user can choose a
+    // different name, most users will stick with this provided value.
+    //
+    // It is redundant to include "zig" in this name because it is already
+    // within the Zig package namespace.
+    .name = .acpi,
+
+    // This is a [Semantic Version](https://semver.org/).
+    // In a future version of Zig it will be used for package deduplication.
+    .version = "0.0.1",
+
+    // Together with name, this represents a globally unique package
+    // identifier. This field is generated by the Zig toolchain when the
+    // package is first created, and then *never changes*. This allows
+    // unambiguous detection of one package being an updated version of
+    // another.
+    //
+    // When forking a Zig project, this id should be regenerated (delete the
+    // field and run `zig build`) if the upstream project is still maintained.
+    // Otherwise, the fork is *hostile*, attempting to take control over the
+    // original project's identity. Thus it is recommended to leave the comment
+    // on the following line intact, so that it shows up in code reviews that
+    // modify the field.
+    .fingerprint = 0xf31e9a09992d882e, // Changing this has security and trust implications.
+
+    // Tracks the earliest Zig version that the package considers to be a
+    // supported use case.
+    .minimum_zig_version = "0.14.0",
+
+    // This field is optional.
+    // Each dependency must either provide a `url` and `hash`, or a `path`.
+    // `zig build --fetch` can be used to fetch all dependencies of a package, recursively.
+    // Once all dependencies are fetched, `zig build` no longer requires
+    // internet connectivity.
+    .dependencies = .{
+        .uacpi = .{
+            .url = "https://github.com/uACPI/uACPI/archive/refs/tags/1.0.1.tar.gz",
+            .hash = "N-V-__8AACLYEgAEaPtnHAQiXwTYfg_hEx5JzNFT6HC-boWN",
+        },
+    },
+
+    // Specifies the set of files and directories that are included in this package.
+    // Only files and directories listed here are included in the `hash` that
+    // is computed for this package. Only files listed here will remain on disk
+    // when using the zig package manager. As a rule of thumb, one should list
+    // files required for compilation plus any license(s).
+    // Paths are relative to the build root. Use the empty string (`""`) to refer to
+    // the build root itself.
+    // A directory listed here means that all files within, recursively, are included.
+    .paths = .{
+        "build.zig",
+        "build.zig.zon",
+        "src",
+        // For example...
+        //"LICENSE",
+        //"README.md",
+    },
+}

src/root.zig

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+const C = @cImport({
+    @cInclude("uacpi/event.h");
+    @cInclude("uacpi/io.h");
+    @cInclude("uacpi/namespace.h");
+    @cInclude("uacpi/notify.h");
+    @cInclude("uacpi/opregion.h");
+    @cInclude("uacpi/osi.h");
+    @cInclude("uacpi/resources.h");
+    @cInclude("uacpi/sleep.h");
+    @cInclude("uacpi/status.h");
+    @cInclude("uacpi/tables.h");
+    @cInclude("uacpi/types.h");
+    @cInclude("uacpi/uacpi.h");
+    @cInclude("uacpi/utilities.h");
+});
+
+pub const Status = enum(C.uacpi_status) {
+    ok = C.UACPI_STATUS_OK,
+    mapping_failed = C.UACPI_STATUS_MAPPING_FAILED,
+    out_of_memory = C.UACPI_STATUS_OUT_OF_MEMORY,
+    bad_checksum = C.UACPI_STATUS_BAD_CHECKSUM,
+    invalid_signature = C.UACPI_STATUS_INVALID_SIGNATURE,
+    invalid_table_length = C.UACPI_STATUS_INVALID_TABLE_LENGTH,
+    not_found = C.UACPI_STATUS_NOT_FOUND,
+    invalid_argument = C.UACPI_STATUS_INVALID_ARGUMENT,
+    unimplemented = C.UACPI_STATUS_UNIMPLEMENTED,
+    already_exists = C.UACPI_STATUS_ALREADY_EXISTS,
+    internal_error = C.UACPI_STATUS_INTERNAL_ERROR,
+    type_mismatch = C.UACPI_STATUS_TYPE_MISMATCH,
+    init_level_mismatch = C.UACPI_STATUS_INIT_LEVEL_MISMATCH,
+    namespace_node_dangling = C.UACPI_STATUS_NAMESPACE_NODE_DANGLING,
+    no_handler = C.UACPI_STATUS_NO_HANDLER,
+    no_resource_end_tag = C.UACPI_STATUS_NO_RESOURCE_END_TAG,
+    compiled_out = C.UACPI_STATUS_COMPILED_OUT,
+    hardware_timeout = C.UACPI_STATUS_HARDWARE_TIMEOUT,
+    timeout = C.UACPI_STATUS_TIMEOUT,
+    overridden = C.UACPI_STATUS_OVERRIDDEN,
+    denied = C.UACPI_STATUS_DENIED,
+
+    // All errors that have bytecode-related origin should go here
+    aml_undefined_reference = C.UACPI_STATUS_AML_UNDEFINED_REFERENCE,
+    aml_invalid_namestring = C.UACPI_STATUS_AML_INVALID_NAMESTRING,
+    aml_object_already_exists = C.UACPI_STATUS_AML_OBJECT_ALREADY_EXISTS,
+    aml_invalid_opcode = C.UACPI_STATUS_AML_INVALID_OPCODE,
+    aml_incompatible_object_type = C.UACPI_STATUS_AML_INCOMPATIBLE_OBJECT_TYPE,
+    aml_bad_encoding = C.UACPI_STATUS_AML_BAD_ENCODING,
+    aml_out_of_bounds_index = C.UACPI_STATUS_AML_OUT_OF_BOUNDS_INDEX,
+    aml_sync_level_too_high = C.UACPI_STATUS_AML_SYNC_LEVEL_TOO_HIGH,
+    aml_invalid_resource = C.UACPI_STATUS_AML_INVALID_RESOURCE,
+    aml_loop_timeout = C.UACPI_STATUS_AML_LOOP_TIMEOUT,
+    aml_call_stack_depth_limit = C.UACPI_STATUS_AML_CALL_STACK_DEPTH_LIMIT,
+};
+
+pub const InterruptResult = enum(C.uacpi_interrupt_ret) {
+    not_handled = C.UACPI_INTERRUPT_NOT_HANDLED,
+    handled = C.UACPI_INTERRUPT_HANDLED,
+};
+
+pub const LogLevel = enum(C.uacpi_log_level) {
+    debug = C.UACPI_LOG_DEBUG,
+    err = C.UACPI_LOG_ERROR,
+    info = C.UACPI_LOG_INFO,
+    trace = C.UACPI_LOG_TRACE,
+    warn = C.UACPI_LOG_WARN,
+};
+
+pub const InterruptHandler = *const fn(Handle) callconv(.C) InterruptResult;
+
+pub const Handle = C.uacpi_handle;
+pub const CpuFlags = C.uacpi_cpu_flags;
+pub const PhysAddr = C.uacpi_phys_addr;
+pub const ThreadId = C.uacpi_thread_id;
+pub const WorkType = C.uacpi_work_type;
+pub const PciAddress = C.uacpi_pci_address;
+pub const WorkHandler = C.uacpi_work_handler;