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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)]
21#[derive(Debug, Clone, 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}
29
30impl BootInfo {
31    /// Initialize a new boot info object.
32    ///
33    /// Note: this object will be initialized by loader
34    /// automatically, so if you are a kernel developer, do
35    /// not use this method, because you needn't and unusable.
36    #[cfg(feature = "loader_main")]
37    pub fn new(boot_mode: BootMode, memmap: MemoryMap, fb: Framebuffer) -> Self {
38        Self {
39            boot_mode,
40            memmap,
41            framebuffer: fb
42        }
43    }
44
45    /// Get the boot mode.
46    pub const fn boot_mode(&self) -> &BootMode {
47        &self.boot_mode
48    }
49
50    /// Get the framebuffer info.
51    pub const fn framebuffer(&self) -> &Framebuffer {
52        &self.framebuffer
53    }
54
55    /// Get the memory map.
56    pub const fn memory(&self) -> &MemoryMap {
57        &self.memmap
58    }
59}
60
61/// This is the boot mode, only support 2 modes, which are legacy(BIOS) and UEFI.
62#[repr(C)]
63#[derive(Debug, Clone, Copy, PartialEq, Eq)]
64pub enum BootMode {
65    /// The Legacy boot mode, also called BIOS boot mode.
66    ///
67    /// This mode is for older machine, and we needs implement
68    /// lots of things in it.
69    Legacy,
70
71    /// The UEFI boot mode, which is the newer mode. Lots of
72    /// new machines uses it.
73    ///
74    /// Also, some machine only support it (such as mine awa).
75    Uefi,
76}