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proka_bootloader/
lib.rs

1//! This crate provides the struct, enums about the Proka
2//! bootloader, including the boot information, and so on.
3//! 
4//! # About proka bootloader
5//! Well, this bootloader is for Proka Kernel, which will obey
6//! its standard. For more information, see <url>.
7
8#![no_std]
9#![no_main]
10
11#[cfg(feature = "loader_main")]
12pub mod loader_main;
13pub mod output;
14pub mod memory;
15use self::output::Framebuffer;
16use self::memory::MemoryMap;
17
18/// This struct is the boot information struct, which provides
19/// the basic information, *memory map*, and so on.
20#[repr(C, align(8))]
21#[derive(Debug, Clone, Copy, PartialEq, Eq)]
22pub struct BootInfo {
23    /// The boot mode, see the [`BootMode`] enum.
24    boot_mode: BootMode,
25    memmap: MemoryMap,
26    framebuffer: Framebuffer,
27}
28
29impl BootInfo {
30    /// Initialize a new boot info object.
31    ///
32    /// Note: this object will be initialized by loader
33    /// automatically, so if you are a kernel developer, do
34    /// not use this method, because you needn't and unusable.
35    #[cfg(feature = "loader_main")]
36    pub fn new(boot_mode: BootMode, memmap: MemoryMap, fb: Framebuffer) -> Self {
37        Self {
38            boot_mode,
39            memmap,
40            framebuffer: fb
41        }
42    }
43
44    /// Get the boot mode.
45    pub const fn boot_mode(&self) -> &BootMode {
46        &self.boot_mode
47    }
48
49    /// Get the framebuffer info.
50    pub const fn framebuffer(&self) -> &Framebuffer {
51        &self.framebuffer
52    }
53
54    /// Get the memory map.
55    pub const fn memory(&self) -> &MemoryMap {
56        &self.memmap
57    }
58}
59
60/// This is the boot mode, only support 2 modes, which are legacy(BIOS) and UEFI.
61#[repr(C)]
62#[derive(Debug, Clone, Copy, PartialEq, Eq)]
63pub enum BootMode {
64    /// The Legacy boot mode, also called BIOS boot mode.
65    ///
66    /// This mode is for older machine, and we needs implement
67    /// lots of things in it.
68    Legacy,
69
70    /// The UEFI boot mode, which is the newer mode. Lots of
71    /// new machines uses it.
72    ///
73    /// Also, some machine only support it (such as mine awa).
74    Uefi,
75}