std.os.uefi.tables: ziggify boot and runtime services

Author: dotcarmen

lib/std/os/uefi.zig

@@ -25,6 +25,43 @@ pub var system_table: *tables.SystemTable = undefined;
 /// A handle to an event structure.
 pub const Event = *opaque {};
 
+pub const EventType = packed struct(u32) {
+    lo_context: u8 = 0,
+    /// If an event of this type is not already in the signaled state, then
+    /// the event’s NotificationFunction will be queued at the event’s NotifyTpl
+    /// whenever the event is being waited on via EFI_BOOT_SERVICES.WaitForEvent()
+    /// or EFI_BOOT_SERVICES.CheckEvent() .
+    wait: bool = false,
+    /// The event’s NotifyFunction is queued whenever the event is signaled.
+    signal: bool = false,
+    hi_context: u20 = 0,
+    /// The event is allocated from runtime memory. If an event is to be signaled
+    /// after the call to EFI_BOOT_SERVICES.ExitBootServices() the event’s data
+    /// structure and notification function need to be allocated from runtime
+    /// memory.
+    runtime: bool = false,
+    timer: bool = false,
+
+    /// This event should not be combined with any other event types. This event
+    /// type is functionally equivalent to the EFI_EVENT_GROUP_EXIT_BOOT_SERVICES
+    /// event group.
+    pub const signal_exit_boot_services = Type{
+        .signal = true,
+        .lo_context = 1,
+    };
+
+    /// The event is to be notified by the system when SetVirtualAddressMap()
+    /// is performed. This event type is a composite of EVT_NOTIFY_SIGNAL,
+    /// EVT_RUNTIME, and EVT_RUNTIME_CONTEXT and should not be combined with
+    /// any other event types.
+    pub const signal_virtual_address_change = Type{
+        .runtime = true,
+        .hi_context = 0x20000,
+        .signal = true,
+        .lo_context = 2,
+    };
+};
+
 /// The calling convention used for all external functions part of the UEFI API.
 pub const cc: std.builtin.CallingConvention = switch (@import("builtin").target.cpu.arch) {
     .x86_64 => .{ .x86_64_win = .{} },

lib/std/os/uefi/tables.zig

@@ -7,9 +7,9 @@ pub const TableHeader = @import("tables/table_header.zig").TableHeader;
 pub const EventNotify = *const fn (event: Event, ctx: *anyopaque) callconv(cc) void;
 
 pub const TimerDelay = enum(u32) {
-    timer_cancel,
-    timer_periodic,
-    timer_relative,
+    cancel,
+    periodic,
+    relative,
 };
 
 pub const MemoryType = enum(u32) {
@@ -65,6 +65,12 @@ pub const LocateSearchType = enum(u32) {
     by_protocol,
 };
 
+pub const LocateSearch = union(LocateSearchType) {
+    all_handles,
+    by_register_notify: *anyopaque,
+    by_protocol: *align(8) const Guid,
+};
+
 pub const OpenProtocolAttributes = packed struct(u32) {
     by_handle_protocol: bool = false,
     get_protocol: bool = false,