lumine

UEFI x86_64 bootloader for linux kernel images

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src/boot/linux/Kernel.zig

825 bytes raw

 1const std = @import("std");
 2const uefi = std.os.uefi;
 3
 4const Chainload = @import("../Chainload.zig");
 5
 6const luefi = @import("../../luefi.zig");
 7const Path = @import("../../Config.zig").Path;
 8
 9const Kernel = @This();
10
11chainload: Chainload,
12
13pub fn load(path: Path) !Kernel {
14    return .{ .chainload = try .load(path) };
15}
16
17pub fn deinit(self: Kernel) void {
18    self.chainload.deinit();
19}
20
21pub fn start(self: Kernel, cmdline: []const u8) !uefi.Status {
22    const allocator = uefi.pool_allocator;
23
24    const cmdline_utf16 = try std.unicode.utf8ToUtf16LeAllocZ(allocator, cmdline);
25    defer allocator.free(cmdline_utf16);
26
27    self.chainload.img_loaded.load_options = @ptrCast(cmdline_utf16);
28    self.chainload.img_loaded.load_options_size = @intCast(cmdline_utf16.len * @sizeOf(u16));
29
30    return self.chainload.start();
31}