mirror of
https://github.com/ziglang/zig.git
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40e84a27d6
* std.os.uefi: integer backed structs, add tests to catch regressions device_path_protocol now uses extern structs with align(1) fields because the transition to integer backed packed struct broke alignment added comptime asserts that device_path_protocol structs do not violate alignment and size specifications
80 lines
2.0 KiB
Zig
80 lines
2.0 KiB
Zig
const uefi = @import("std").os.uefi;
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const Guid = uefi.Guid;
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pub const HIIHandle = *opaque {};
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/// The header found at the start of each package.
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pub const HIIPackageHeader = packed struct(u32) {
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length: u24,
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type: u8,
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pub const type_all: u8 = 0x0;
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pub const type_guid: u8 = 0x1;
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pub const forms: u8 = 0x2;
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pub const strings: u8 = 0x4;
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pub const fonts: u8 = 0x5;
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pub const images: u8 = 0x6;
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pub const simple_fonsts: u8 = 0x7;
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pub const device_path: u8 = 0x8;
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pub const keyboard_layout: u8 = 0x9;
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pub const animations: u8 = 0xa;
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pub const end: u8 = 0xdf;
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pub const type_system_begin: u8 = 0xe0;
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pub const type_system_end: u8 = 0xff;
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};
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/// The header found at the start of each package list.
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pub const HIIPackageList = extern struct {
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package_list_guid: Guid,
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/// The size of the package list (in bytes), including the header.
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package_list_length: u32,
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// TODO implement iterator
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};
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pub const HIISimplifiedFontPackage = extern struct {
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header: HIIPackageHeader,
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number_of_narrow_glyphs: u16,
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number_of_wide_glyphs: u16,
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pub fn getNarrowGlyphs(self: *HIISimplifiedFontPackage) []NarrowGlyph {
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return @ptrCast([*]NarrowGlyph, @ptrCast([*]u8, self) + @sizeOf(HIISimplifiedFontPackage))[0..self.number_of_narrow_glyphs];
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}
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};
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pub const NarrowGlyphAttributes = packed struct(u8) {
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non_spacing: bool,
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wide: bool,
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_pad: u6 = 0,
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};
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pub const NarrowGlyph = extern struct {
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unicode_weight: u16,
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attributes: NarrowGlyphAttributes,
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glyph_col_1: [19]u8,
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};
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pub const WideGlyphAttributes = packed struct(u8) {
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non_spacing: bool,
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wide: bool,
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_pad: u6 = 0,
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};
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pub const WideGlyph = extern struct {
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unicode_weight: u16,
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attributes: WideGlyphAttributes,
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glyph_col_1: [19]u8,
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glyph_col_2: [19]u8,
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_pad: [3]u8 = [_]u8{0} ** 3,
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};
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pub const HIIStringPackage = extern struct {
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header: HIIPackageHeader,
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hdr_size: u32,
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string_info_offset: u32,
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language_window: [16]u16,
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language_name: u16,
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language: [3]u8,
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};
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