1const uefi = @import("std").os.uefi;
2const Guid = uefi.Guid;
3
4pub const Handle = *opaque {};
5
6/// The header found at the start of each package.
7pub const PackageHeader = packed struct(u32) {
8 length: u24,
9 type: u8,
10
11 pub const type_all: u8 = 0x0;
12 pub const type_guid: u8 = 0x1;
13 pub const forms: u8 = 0x2;
14 pub const strings: u8 = 0x4;
15 pub const fonts: u8 = 0x5;
16 pub const images: u8 = 0x6;
17 pub const simple_fonsts: u8 = 0x7;
18 pub const device_path: u8 = 0x8;
19 pub const keyboard_layout: u8 = 0x9;
20 pub const animations: u8 = 0xa;
21 pub const end: u8 = 0xdf;
22 pub const type_system_begin: u8 = 0xe0;
23 pub const type_system_end: u8 = 0xff;
24};
25
26/// The header found at the start of each package list.
27pub const PackageList = extern struct {
28 package_list_guid: Guid,
29
30 /// The size of the package list (in bytes), including the header.
31 package_list_length: u32,
32
33 // TODO implement iterator
34};
35
36pub const SimplifiedFontPackage = extern struct {
37 header: PackageHeader,
38 number_of_narrow_glyphs: u16,
39 number_of_wide_glyphs: u16,
40
41 pub fn getNarrowGlyphs(self: *SimplifiedFontPackage) []NarrowGlyph {
42 return @as([*]NarrowGlyph, @ptrCast(@alignCast(@as([*]u8, @ptrCast(self)) + @sizeOf(SimplifiedFontPackage))))[0..self.number_of_narrow_glyphs];
43 }
44};
45
46pub const NarrowGlyphAttributes = packed struct(u8) {
47 non_spacing: bool,
48 wide: bool,
49 _pad: u6 = 0,
50};
51
52pub const NarrowGlyph = extern struct {
53 unicode_weight: u16,
54 attributes: NarrowGlyphAttributes,
55 glyph_col_1: [19]u8,
56};
57
58pub const WideGlyphAttributes = packed struct(u8) {
59 non_spacing: bool,
60 wide: bool,
61 _pad: u6 = 0,
62};
63
64pub const WideGlyph = extern struct {
65 unicode_weight: u16,
66 attributes: WideGlyphAttributes,
67 glyph_col_1: [19]u8,
68 glyph_col_2: [19]u8,
69 _pad: [3]u8 = @splat(0),
70};
71
72pub const StringPackage = extern struct {
73 header: PackageHeader,
74 hdr_size: u32,
75 string_info_offset: u32,
76 language_window: [16]u16,
77 language_name: u16,
78 language: [3]u8,
79};