mirror of
https://gitlab.com/bztsrc/bootboot.git
synced 2023-02-13 20:54:32 -05:00
Add basic support for elf
This commit is contained in:
Vinay Chandra Dommeti
parent
619c2f9135
commit
1364dac184
12 changed files with 911 additions and 2 deletions
3
.gitignore
vendored
3
.gitignore
vendored
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@ -5,3 +5,6 @@ aarch64-rpi/LIC*
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aarch64-rpi/*.bin
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aarch64-rpi/*.dat
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aarch64-rpi/*.elf
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mykernel-rust/target
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mykernel-rust/Cargo.lock
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@ -20,9 +20,9 @@ mkimg: mkimg.c
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initrd.bin:
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@mkdir initrd initrd/sys 2>/dev/null | true
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ifeq ($(PLATFORM),x86)
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cp ../mykernel/mykernel.x86_64.elf initrd/sys/core
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cp ../mykernel-rust/mykernel.x86_64.elf initrd/sys/core
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else
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cp ../mykernel/mykernel.aarch64.elf initrd/sys/core
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cp ../mykernel-rust/mykernel.aarch64.elf initrd/sys/core
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endif
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@cd initrd && (find . | cpio -H hpodc -o | gzip > ../initrd.bin) && cd ..
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@rm -r initrd 2>/dev/null || true
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9
mykernel-rust/Cargo.toml
Executable file
9
mykernel-rust/Cargo.toml
Executable file
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@ -0,0 +1,9 @@
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[package]
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name = "mykernel-rust"
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version = "0.0.1"
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authors = ["Author <email@example.com>"]
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edition = "2018"
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[dependencies]
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rlibc = "1.0"
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10
mykernel-rust/Makefile
Normal file
10
mykernel-rust/Makefile
Normal file
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@ -0,0 +1,10 @@
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all: mykernel.x86_64.elf
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# Kernel build
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mykernel.x86_64.elf: src/**
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objcopy -O elf64-x86-64 -B i386 -I binary font.psf font.o
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cargo xbuild --target ./triplets/mykernel-x86.json
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# Using this causes the kernel to exceed the 2 MB limit
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# cargo build -Z build-std=core,alloc --target ./triplets/$mykernel-x86.json
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cp ./target/mykernel-x86/debug/mykernel-rust mykernel.x86_64.elf
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BIN
mykernel-rust/font.o
Normal file
BIN
mykernel-rust/font.o
Normal file
Binary file not shown.
BIN
mykernel-rust/font.psf
Normal file
BIN
mykernel-rust/font.psf
Normal file
Binary file not shown.
BIN
mykernel-rust/mykernel.x86_64.elf
Executable file
BIN
mykernel-rust/mykernel.x86_64.elf
Executable file
Binary file not shown.
1
mykernel-rust/rust-toolchain
Executable file
1
mykernel-rust/rust-toolchain
Executable file
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@ -0,0 +1 @@
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nightly
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702
mykernel-rust/src/bootboot.rs
Normal file
702
mykernel-rust/src/bootboot.rs
Normal file
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@ -0,0 +1,702 @@
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/* automatically generated by rust-bindgen */
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pub const BOOTBOOT_MAGIC: &'static [u8; 5usize] = b"BOOT\0";
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pub const PROTOCOL_MINIMAL: u32 = 0;
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pub const PROTOCOL_STATIC: u32 = 1;
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pub const PROTOCOL_DYNAMIC: u32 = 2;
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pub const PROTOCOL_BIGENDIAN: u32 = 128;
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pub const LOADER_BIOS: u32 = 0;
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pub const LOADER_UEFI: u32 = 4;
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pub const LOADER_RPI: u32 = 8;
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pub const FB_ARGB: u32 = 0;
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pub const FB_RGBA: u32 = 1;
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pub const FB_ABGR: u32 = 2;
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pub const FB_BGRA: u32 = 3;
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pub const MMAP_USED: u32 = 0;
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pub const MMAP_FREE: u32 = 1;
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pub const MMAP_ACPI: u32 = 2;
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pub const MMAP_MMIO: u32 = 3;
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pub const INITRD_MAXSIZE: u32 = 16;
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#[repr(C, packed)]
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#[derive(Debug, Copy, Clone)]
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pub struct MMapEnt {
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pub ptr: u64,
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pub size: u64,
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}
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#[test]
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fn bindgen_test_layout_MMapEnt() {
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assert_eq!(
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::core::mem::size_of::<MMapEnt>(),
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16usize,
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concat!("Size of: ", stringify!(MMapEnt))
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);
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assert_eq!(
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::core::mem::align_of::<MMapEnt>(),
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1usize,
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concat!("Alignment of ", stringify!(MMapEnt))
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);
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assert_eq!(
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unsafe { &(*(::core::ptr::null::<MMapEnt>())).ptr as *const _ as usize },
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0usize,
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concat!(
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"Offset of field: ",
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stringify!(MMapEnt),
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"::",
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stringify!(ptr)
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)
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);
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assert_eq!(
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unsafe { &(*(::core::ptr::null::<MMapEnt>())).size as *const _ as usize },
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8usize,
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concat!(
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"Offset of field: ",
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stringify!(MMapEnt),
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"::",
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stringify!(size)
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)
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);
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}
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#[repr(C, packed)]
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#[derive(Copy, Clone)]
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pub struct BOOTBOOT {
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pub magic: [u8; 4usize],
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pub size: u32,
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pub protocol: u8,
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pub fb_type: u8,
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pub numcores: u16,
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pub bspid: u16,
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pub timezone: i16,
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pub datetime: [u8; 8usize],
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pub initrd_ptr: u64,
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pub initrd_size: u64,
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pub fb_ptr: *mut u8,
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pub fb_size: u32,
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pub fb_width: u32,
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pub fb_height: u32,
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pub fb_scanline: u32,
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pub arch: BOOTBOOT__bindgen_ty_1,
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pub mmap: MMapEnt,
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}
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#[repr(C)]
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#[derive(Copy, Clone)]
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pub union BOOTBOOT__bindgen_ty_1 {
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pub x86_64: BOOTBOOT__bindgen_ty_1__bindgen_ty_1,
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pub aarch64: BOOTBOOT__bindgen_ty_1__bindgen_ty_2,
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_bindgen_union_align: [u64; 8usize],
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}
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#[repr(C)]
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#[derive(Debug, Copy, Clone)]
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pub struct BOOTBOOT__bindgen_ty_1__bindgen_ty_1 {
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pub acpi_ptr: u64,
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pub smbi_ptr: u64,
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pub efi_ptr: u64,
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pub mp_ptr: u64,
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pub unused0: u64,
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pub unused1: u64,
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pub unused2: u64,
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pub unused3: u64,
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}
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#[test]
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fn bindgen_test_layout_BOOTBOOT__bindgen_ty_1__bindgen_ty_1() {
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assert_eq!(
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::core::mem::size_of::<BOOTBOOT__bindgen_ty_1__bindgen_ty_1>(),
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64usize,
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concat!(
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"Size of: ",
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stringify!(BOOTBOOT__bindgen_ty_1__bindgen_ty_1)
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)
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);
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assert_eq!(
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::core::mem::align_of::<BOOTBOOT__bindgen_ty_1__bindgen_ty_1>(),
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8usize,
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concat!(
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"Alignment of ",
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stringify!(BOOTBOOT__bindgen_ty_1__bindgen_ty_1)
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)
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);
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assert_eq!(
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unsafe {
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&(*(::core::ptr::null::<BOOTBOOT__bindgen_ty_1__bindgen_ty_1>())).acpi_ptr as *const _
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as usize
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},
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0usize,
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concat!(
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"Offset of field: ",
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stringify!(BOOTBOOT__bindgen_ty_1__bindgen_ty_1),
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"::",
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stringify!(acpi_ptr)
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)
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);
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assert_eq!(
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unsafe {
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&(*(::core::ptr::null::<BOOTBOOT__bindgen_ty_1__bindgen_ty_1>())).smbi_ptr as *const _
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as usize
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},
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8usize,
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concat!(
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"Offset of field: ",
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stringify!(BOOTBOOT__bindgen_ty_1__bindgen_ty_1),
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"::",
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stringify!(smbi_ptr)
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)
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);
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assert_eq!(
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unsafe {
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&(*(::core::ptr::null::<BOOTBOOT__bindgen_ty_1__bindgen_ty_1>())).efi_ptr as *const _
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as usize
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},
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16usize,
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concat!(
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"Offset of field: ",
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stringify!(BOOTBOOT__bindgen_ty_1__bindgen_ty_1),
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"::",
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stringify!(efi_ptr)
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)
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);
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assert_eq!(
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unsafe {
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&(*(::core::ptr::null::<BOOTBOOT__bindgen_ty_1__bindgen_ty_1>())).mp_ptr as *const _
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as usize
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},
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24usize,
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concat!(
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"Offset of field: ",
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stringify!(BOOTBOOT__bindgen_ty_1__bindgen_ty_1),
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"::",
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stringify!(mp_ptr)
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)
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);
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assert_eq!(
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unsafe {
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&(*(::core::ptr::null::<BOOTBOOT__bindgen_ty_1__bindgen_ty_1>())).unused0 as *const _
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as usize
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},
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32usize,
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concat!(
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"Offset of field: ",
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stringify!(BOOTBOOT__bindgen_ty_1__bindgen_ty_1),
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"::",
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stringify!(unused0)
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)
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);
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assert_eq!(
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unsafe {
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&(*(::core::ptr::null::<BOOTBOOT__bindgen_ty_1__bindgen_ty_1>())).unused1 as *const _
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as usize
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},
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40usize,
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concat!(
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"Offset of field: ",
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stringify!(BOOTBOOT__bindgen_ty_1__bindgen_ty_1),
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"::",
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stringify!(unused1)
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)
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);
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assert_eq!(
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unsafe {
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&(*(::core::ptr::null::<BOOTBOOT__bindgen_ty_1__bindgen_ty_1>())).unused2 as *const _
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as usize
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},
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48usize,
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concat!(
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"Offset of field: ",
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stringify!(BOOTBOOT__bindgen_ty_1__bindgen_ty_1),
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"::",
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stringify!(unused2)
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)
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);
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assert_eq!(
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unsafe {
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&(*(::core::ptr::null::<BOOTBOOT__bindgen_ty_1__bindgen_ty_1>())).unused3 as *const _
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as usize
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},
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56usize,
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concat!(
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"Offset of field: ",
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stringify!(BOOTBOOT__bindgen_ty_1__bindgen_ty_1),
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"::",
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stringify!(unused3)
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)
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);
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}
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#[repr(C)]
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#[derive(Debug, Copy, Clone)]
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pub struct BOOTBOOT__bindgen_ty_1__bindgen_ty_2 {
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pub acpi_ptr: u64,
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pub mmio_ptr: u64,
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pub efi_ptr: u64,
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pub unused0: u64,
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pub unused1: u64,
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pub unused2: u64,
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pub unused3: u64,
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pub unused4: u64,
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}
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#[test]
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fn bindgen_test_layout_BOOTBOOT__bindgen_ty_1__bindgen_ty_2() {
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assert_eq!(
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||||
::core::mem::size_of::<BOOTBOOT__bindgen_ty_1__bindgen_ty_2>(),
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64usize,
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concat!(
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"Size of: ",
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stringify!(BOOTBOOT__bindgen_ty_1__bindgen_ty_2)
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)
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);
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assert_eq!(
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::core::mem::align_of::<BOOTBOOT__bindgen_ty_1__bindgen_ty_2>(),
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8usize,
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concat!(
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"Alignment of ",
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stringify!(BOOTBOOT__bindgen_ty_1__bindgen_ty_2)
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||||
)
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||||
);
|
||||
assert_eq!(
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unsafe {
|
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&(*(::core::ptr::null::<BOOTBOOT__bindgen_ty_1__bindgen_ty_2>())).acpi_ptr as *const _
|
||||
as usize
|
||||
},
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0usize,
|
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concat!(
|
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"Offset of field: ",
|
||||
stringify!(BOOTBOOT__bindgen_ty_1__bindgen_ty_2),
|
||||
"::",
|
||||
stringify!(acpi_ptr)
|
||||
)
|
||||
);
|
||||
assert_eq!(
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unsafe {
|
||||
&(*(::core::ptr::null::<BOOTBOOT__bindgen_ty_1__bindgen_ty_2>())).mmio_ptr as *const _
|
||||
as usize
|
||||
},
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||||
8usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(BOOTBOOT__bindgen_ty_1__bindgen_ty_2),
|
||||
"::",
|
||||
stringify!(mmio_ptr)
|
||||
)
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe {
|
||||
&(*(::core::ptr::null::<BOOTBOOT__bindgen_ty_1__bindgen_ty_2>())).efi_ptr as *const _
|
||||
as usize
|
||||
},
|
||||
16usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(BOOTBOOT__bindgen_ty_1__bindgen_ty_2),
|
||||
"::",
|
||||
stringify!(efi_ptr)
|
||||
)
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe {
|
||||
&(*(::core::ptr::null::<BOOTBOOT__bindgen_ty_1__bindgen_ty_2>())).unused0 as *const _
|
||||
as usize
|
||||
},
|
||||
24usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(BOOTBOOT__bindgen_ty_1__bindgen_ty_2),
|
||||
"::",
|
||||
stringify!(unused0)
|
||||
)
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe {
|
||||
&(*(::core::ptr::null::<BOOTBOOT__bindgen_ty_1__bindgen_ty_2>())).unused1 as *const _
|
||||
as usize
|
||||
},
|
||||
32usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(BOOTBOOT__bindgen_ty_1__bindgen_ty_2),
|
||||
"::",
|
||||
stringify!(unused1)
|
||||
)
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe {
|
||||
&(*(::core::ptr::null::<BOOTBOOT__bindgen_ty_1__bindgen_ty_2>())).unused2 as *const _
|
||||
as usize
|
||||
},
|
||||
40usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(BOOTBOOT__bindgen_ty_1__bindgen_ty_2),
|
||||
"::",
|
||||
stringify!(unused2)
|
||||
)
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe {
|
||||
&(*(::core::ptr::null::<BOOTBOOT__bindgen_ty_1__bindgen_ty_2>())).unused3 as *const _
|
||||
as usize
|
||||
},
|
||||
48usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(BOOTBOOT__bindgen_ty_1__bindgen_ty_2),
|
||||
"::",
|
||||
stringify!(unused3)
|
||||
)
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe {
|
||||
&(*(::core::ptr::null::<BOOTBOOT__bindgen_ty_1__bindgen_ty_2>())).unused4 as *const _
|
||||
as usize
|
||||
},
|
||||
56usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(BOOTBOOT__bindgen_ty_1__bindgen_ty_2),
|
||||
"::",
|
||||
stringify!(unused4)
|
||||
)
|
||||
);
|
||||
}
|
||||
#[test]
|
||||
fn bindgen_test_layout_BOOTBOOT__bindgen_ty_1() {
|
||||
assert_eq!(
|
||||
::core::mem::size_of::<BOOTBOOT__bindgen_ty_1>(),
|
||||
64usize,
|
||||
concat!("Size of: ", stringify!(BOOTBOOT__bindgen_ty_1))
|
||||
);
|
||||
assert_eq!(
|
||||
::core::mem::align_of::<BOOTBOOT__bindgen_ty_1>(),
|
||||
8usize,
|
||||
concat!("Alignment of ", stringify!(BOOTBOOT__bindgen_ty_1))
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe { &(*(::core::ptr::null::<BOOTBOOT__bindgen_ty_1>())).x86_64 as *const _ as usize },
|
||||
0usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(BOOTBOOT__bindgen_ty_1),
|
||||
"::",
|
||||
stringify!(x86_64)
|
||||
)
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe { &(*(::core::ptr::null::<BOOTBOOT__bindgen_ty_1>())).aarch64 as *const _ as usize },
|
||||
0usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(BOOTBOOT__bindgen_ty_1),
|
||||
"::",
|
||||
stringify!(aarch64)
|
||||
)
|
||||
);
|
||||
}
|
||||
#[test]
|
||||
fn bindgen_test_layout_BOOTBOOT() {
|
||||
assert_eq!(
|
||||
::core::mem::size_of::<BOOTBOOT>(),
|
||||
144usize,
|
||||
concat!("Size of: ", stringify!(BOOTBOOT))
|
||||
);
|
||||
assert_eq!(
|
||||
::core::mem::align_of::<BOOTBOOT>(),
|
||||
1usize,
|
||||
concat!("Alignment of ", stringify!(BOOTBOOT))
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe { &(*(::core::ptr::null::<BOOTBOOT>())).magic as *const _ as usize },
|
||||
0usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(BOOTBOOT),
|
||||
"::",
|
||||
stringify!(magic)
|
||||
)
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe { &(*(::core::ptr::null::<BOOTBOOT>())).size as *const _ as usize },
|
||||
4usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(BOOTBOOT),
|
||||
"::",
|
||||
stringify!(size)
|
||||
)
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe { &(*(::core::ptr::null::<BOOTBOOT>())).protocol as *const _ as usize },
|
||||
8usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(BOOTBOOT),
|
||||
"::",
|
||||
stringify!(protocol)
|
||||
)
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe { &(*(::core::ptr::null::<BOOTBOOT>())).fb_type as *const _ as usize },
|
||||
9usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(BOOTBOOT),
|
||||
"::",
|
||||
stringify!(fb_type)
|
||||
)
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe { &(*(::core::ptr::null::<BOOTBOOT>())).numcores as *const _ as usize },
|
||||
10usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(BOOTBOOT),
|
||||
"::",
|
||||
stringify!(numcores)
|
||||
)
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe { &(*(::core::ptr::null::<BOOTBOOT>())).bspid as *const _ as usize },
|
||||
12usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(BOOTBOOT),
|
||||
"::",
|
||||
stringify!(bspid)
|
||||
)
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe { &(*(::core::ptr::null::<BOOTBOOT>())).timezone as *const _ as usize },
|
||||
14usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(BOOTBOOT),
|
||||
"::",
|
||||
stringify!(timezone)
|
||||
)
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe { &(*(::core::ptr::null::<BOOTBOOT>())).datetime as *const _ as usize },
|
||||
16usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(BOOTBOOT),
|
||||
"::",
|
||||
stringify!(datetime)
|
||||
)
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe { &(*(::core::ptr::null::<BOOTBOOT>())).initrd_ptr as *const _ as usize },
|
||||
24usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(BOOTBOOT),
|
||||
"::",
|
||||
stringify!(initrd_ptr)
|
||||
)
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe { &(*(::core::ptr::null::<BOOTBOOT>())).initrd_size as *const _ as usize },
|
||||
32usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(BOOTBOOT),
|
||||
"::",
|
||||
stringify!(initrd_size)
|
||||
)
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe { &(*(::core::ptr::null::<BOOTBOOT>())).fb_ptr as *const _ as usize },
|
||||
40usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(BOOTBOOT),
|
||||
"::",
|
||||
stringify!(fb_ptr)
|
||||
)
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe { &(*(::core::ptr::null::<BOOTBOOT>())).fb_size as *const _ as usize },
|
||||
48usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(BOOTBOOT),
|
||||
"::",
|
||||
stringify!(fb_size)
|
||||
)
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe { &(*(::core::ptr::null::<BOOTBOOT>())).fb_width as *const _ as usize },
|
||||
52usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(BOOTBOOT),
|
||||
"::",
|
||||
stringify!(fb_width)
|
||||
)
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe { &(*(::core::ptr::null::<BOOTBOOT>())).fb_height as *const _ as usize },
|
||||
56usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(BOOTBOOT),
|
||||
"::",
|
||||
stringify!(fb_height)
|
||||
)
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe { &(*(::core::ptr::null::<BOOTBOOT>())).fb_scanline as *const _ as usize },
|
||||
60usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(BOOTBOOT),
|
||||
"::",
|
||||
stringify!(fb_scanline)
|
||||
)
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe { &(*(::core::ptr::null::<BOOTBOOT>())).arch as *const _ as usize },
|
||||
64usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(BOOTBOOT),
|
||||
"::",
|
||||
stringify!(arch)
|
||||
)
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe { &(*(::core::ptr::null::<BOOTBOOT>())).mmap as *const _ as usize },
|
||||
128usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(BOOTBOOT),
|
||||
"::",
|
||||
stringify!(mmap)
|
||||
)
|
||||
);
|
||||
}
|
||||
extern "C" {
|
||||
pub static mut bootboot: BOOTBOOT;
|
||||
}
|
||||
extern "C" {
|
||||
pub static mut environment: *mut custom_ctypes::c_uchar;
|
||||
}
|
||||
extern "C" {
|
||||
pub static mut fb: u8;
|
||||
}
|
||||
#[doc = " Display text on screen *"]
|
||||
#[repr(C, packed)]
|
||||
#[derive(Debug, Copy, Clone)]
|
||||
pub struct psf2_t {
|
||||
pub magic: u32,
|
||||
pub version: u32,
|
||||
pub headersize: u32,
|
||||
pub flags: u32,
|
||||
pub numglyph: u32,
|
||||
pub bytesperglyph: u32,
|
||||
pub height: u32,
|
||||
pub width: u32,
|
||||
pub glyphs: u8,
|
||||
}
|
||||
#[test]
|
||||
fn bindgen_test_layout_psf2_t() {
|
||||
assert_eq!(
|
||||
::core::mem::size_of::<psf2_t>(),
|
||||
33usize,
|
||||
concat!("Size of: ", stringify!(psf2_t))
|
||||
);
|
||||
assert_eq!(
|
||||
::core::mem::align_of::<psf2_t>(),
|
||||
1usize,
|
||||
concat!("Alignment of ", stringify!(psf2_t))
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe { &(*(::core::ptr::null::<psf2_t>())).magic as *const _ as usize },
|
||||
0usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(psf2_t),
|
||||
"::",
|
||||
stringify!(magic)
|
||||
)
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe { &(*(::core::ptr::null::<psf2_t>())).version as *const _ as usize },
|
||||
4usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(psf2_t),
|
||||
"::",
|
||||
stringify!(version)
|
||||
)
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe { &(*(::core::ptr::null::<psf2_t>())).headersize as *const _ as usize },
|
||||
8usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(psf2_t),
|
||||
"::",
|
||||
stringify!(headersize)
|
||||
)
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe { &(*(::core::ptr::null::<psf2_t>())).flags as *const _ as usize },
|
||||
12usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(psf2_t),
|
||||
"::",
|
||||
stringify!(flags)
|
||||
)
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe { &(*(::core::ptr::null::<psf2_t>())).numglyph as *const _ as usize },
|
||||
16usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(psf2_t),
|
||||
"::",
|
||||
stringify!(numglyph)
|
||||
)
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe { &(*(::core::ptr::null::<psf2_t>())).bytesperglyph as *const _ as usize },
|
||||
20usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(psf2_t),
|
||||
"::",
|
||||
stringify!(bytesperglyph)
|
||||
)
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe { &(*(::core::ptr::null::<psf2_t>())).height as *const _ as usize },
|
||||
24usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(psf2_t),
|
||||
"::",
|
||||
stringify!(height)
|
||||
)
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe { &(*(::core::ptr::null::<psf2_t>())).width as *const _ as usize },
|
||||
28usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(psf2_t),
|
||||
"::",
|
||||
stringify!(width)
|
||||
)
|
||||
);
|
||||
assert_eq!(
|
||||
unsafe { &(*(::core::ptr::null::<psf2_t>())).glyphs as *const _ as usize },
|
||||
32usize,
|
||||
concat!(
|
||||
"Offset of field: ",
|
||||
stringify!(psf2_t),
|
||||
"::",
|
||||
stringify!(glyphs)
|
||||
)
|
||||
);
|
||||
}
|
||||
extern "C" {
|
||||
pub static mut _binary_font_psf_start: custom_ctypes::c_uchar;
|
||||
}
|
||||
pub mod custom_ctypes { pub type c_int = i64; pub type c_uchar = u64; }
|
||||
115
mykernel-rust/src/main.rs
Normal file
115
mykernel-rust/src/main.rs
Normal file
|
|
@ -0,0 +1,115 @@
|
|||
#![no_std]
|
||||
#![no_main]
|
||||
|
||||
#[cfg(not(test))]
|
||||
use core::panic::PanicInfo;
|
||||
|
||||
#[allow(dead_code)]
|
||||
#[allow(non_snake_case)]
|
||||
#[allow(non_camel_case_types)]
|
||||
mod bootboot;
|
||||
|
||||
// Required for -Z build-std flag.
|
||||
extern crate rlibc;
|
||||
|
||||
/// Entry point for the Operating System.
|
||||
#[no_mangle] // don't mangle the name of this function
|
||||
fn _start() -> ! {
|
||||
// int x, y, s=bootboot.fb_scanline, w=bootboot.fb_width, h=bootboot.fb_height;
|
||||
// for(y=0;y<h;y++) { *((uint32_t*)(&fb + s*y + (w*2)))=0x00FFFFFF; }
|
||||
|
||||
unsafe {
|
||||
let fb = &bootboot::fb as *const u8 as u64;
|
||||
|
||||
// Cross hair
|
||||
for y in 0..bootboot::bootboot.fb_height {
|
||||
let addr = fb
|
||||
+ bootboot::bootboot.fb_scanline as u64 * y as u64
|
||||
+ bootboot::bootboot.fb_width as u64 * 2;
|
||||
*(addr as *mut u64) = 0x00FFFFFF;
|
||||
}
|
||||
for x in 0..bootboot::bootboot.fb_width {
|
||||
let addr = fb
|
||||
+ bootboot::bootboot.fb_scanline as u64 * (bootboot::bootboot.fb_height / 2) as u64 + (x * 4) as u64;
|
||||
*(addr as *mut u64) = 0x00FFFFFF;
|
||||
}
|
||||
|
||||
// RGB boxes in order
|
||||
for y in 0..20 {
|
||||
for x in 0..20 {
|
||||
let addr = fb
|
||||
+ bootboot::bootboot.fb_scanline as u64 * (y + 20) as u64
|
||||
+ (x + 20) * 4;
|
||||
*(addr as *mut u64) = 0x00FF0000;
|
||||
}
|
||||
}
|
||||
for y in 0..20 {
|
||||
for x in 0..20 {
|
||||
let addr = fb
|
||||
+ bootboot::bootboot.fb_scanline as u64 * (y + 20) as u64
|
||||
+ (x + 50) * 4;
|
||||
*(addr as *mut u64) = 0x0000FF00;
|
||||
}
|
||||
}
|
||||
for y in 0..20 {
|
||||
for x in 0..20 {
|
||||
let addr = fb
|
||||
+ bootboot::bootboot.fb_scanline as u64 * (y + 20) as u64
|
||||
+ (x + 80) * 4;
|
||||
*(addr as *mut u64) = 0x000000FF;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
puts("Hello from a simple BOOTBOOT kernel");
|
||||
|
||||
loop {}
|
||||
}
|
||||
|
||||
/// This function is called on panic.
|
||||
#[cfg(not(test))]
|
||||
#[panic_handler]
|
||||
fn panic(_info: &PanicInfo) -> ! {
|
||||
loop {}
|
||||
}
|
||||
|
||||
fn puts(string: &'static str) {
|
||||
use bootboot::*;
|
||||
unsafe {
|
||||
let font: *mut bootboot::psf2_t = &_binary_font_psf_start as *const u64 as *mut psf2_t;
|
||||
let (mut kx, mut line, mut mask, mut offs): (u32, u64, u64, u32);
|
||||
kx = 0;
|
||||
let bpl = ((*font).width + 7) / 8;
|
||||
|
||||
for s in string.bytes() {
|
||||
let glyph_a: *mut u8 = (font as u64 + (*font).headersize as u64) as *mut u8;
|
||||
let mut glyph: *mut u8 = glyph_a.offset(
|
||||
(if s > 0 && (s as u32) < (*font).numglyph {
|
||||
s as u32
|
||||
} else {
|
||||
0
|
||||
} * ((*font).bytesperglyph)) as isize,
|
||||
);
|
||||
offs = kx * ((*font).width + 1) * 4;
|
||||
for _y in 0..(*font).height {
|
||||
line = offs as u64;
|
||||
mask = 1 << ((*font).width - 1);
|
||||
for _x in 0..(*font).width {
|
||||
let target_location = (&bootboot::fb as *const u8 as u64 + line) as *mut u32;
|
||||
let mut target_value: u32 = 0;
|
||||
if (*glyph as u64) & (mask) > 0 {
|
||||
target_value = 0xFFFFFF;
|
||||
}
|
||||
*target_location = target_value;
|
||||
mask >>= 1;
|
||||
line += 4;
|
||||
}
|
||||
let target_location = (&bootboot::fb as *const u8 as u64 + line) as *mut u32;
|
||||
*target_location = 0;
|
||||
glyph = glyph.offset(bpl as isize);
|
||||
offs += bootboot.fb_scanline;
|
||||
}
|
||||
kx += 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
28
mykernel-rust/triplets/mykernel-x86.json
Normal file
28
mykernel-rust/triplets/mykernel-x86.json
Normal file
|
|
@ -0,0 +1,28 @@
|
|||
{
|
||||
"llvm-target": "x86_64-unknown-none",
|
||||
"data-layout": "e-m:e-i64:64-f80:128-n8:16:32:64-S128",
|
||||
"arch": "x86_64",
|
||||
"target-endian": "little",
|
||||
"target-pointer-width": "64",
|
||||
"target-c-int-width": "32",
|
||||
"os": "none",
|
||||
"executables": true,
|
||||
"linker-flavor": "ld.lld",
|
||||
"linker": "rust-lld",
|
||||
"panic-strategy": "abort",
|
||||
"disable-redzone": true,
|
||||
"features": "-mmx,-sse,+soft-float",
|
||||
"dynamic-linking": false,
|
||||
"relocation-model": "pic",
|
||||
"code-model": "kernel",
|
||||
"eliminate-frame-pointer": false,
|
||||
"exe-suffix": "",
|
||||
"has-rpath": false,
|
||||
"no-compiler-rt": true,
|
||||
"no-default-libraries": true,
|
||||
"position-independent-executables": false,
|
||||
"has-elf-tls": true,
|
||||
"pre-link-args": {
|
||||
"ld.lld": ["--script=./triplets/mykernel.ld", "./font.o"]
|
||||
}
|
||||
}
|
||||
41
mykernel-rust/triplets/mykernel.ld
Normal file
41
mykernel-rust/triplets/mykernel.ld
Normal file
|
|
@ -0,0 +1,41 @@
|
|||
KERNEL_OFFSET = 0xfffffffff8000000;
|
||||
|
||||
PHDRS
|
||||
{
|
||||
boot PT_LOAD FILEHDR PHDRS; /* one single loadable segment */
|
||||
}
|
||||
SECTIONS
|
||||
{
|
||||
. = KERNEL_OFFSET;
|
||||
mmio = .; . += 0x4000000;
|
||||
fb = .; . += 0x3E00000;
|
||||
bootboot = .; . += 4096;
|
||||
environment = .; . += 4096;
|
||||
|
||||
.text . + SIZEOF_HEADERS : AT(ADDR(.text) - KERNEL_OFFSET + SIZEOF_HEADERS) {
|
||||
__text_start = .;
|
||||
KEEP(*(.text.boot)) *(.text .text.* .gnu.linkonce.t*) /* code */
|
||||
. = ALIGN(4096);
|
||||
__text_end = .;
|
||||
} :boot
|
||||
|
||||
.rodata : AT(ADDR(.rodata) - KERNEL_OFFSET) {
|
||||
__rodata_start = .;
|
||||
*(.rodata*)
|
||||
. = ALIGN(4096);
|
||||
__rodata_end = .;
|
||||
} :boot
|
||||
|
||||
.data : AT(ADDR(.data) - KERNEL_OFFSET) {
|
||||
__data_start = .;
|
||||
*(.data*)
|
||||
. = ALIGN(4096);
|
||||
__data_end = .;
|
||||
__bss_start = .;
|
||||
*(.bss*)
|
||||
. = ALIGN(4096);
|
||||
__bss_end = .;
|
||||
} :boot
|
||||
|
||||
/DISCARD/ : { *(.eh_frame) *(.comment) }
|
||||
}
|
||||
Loading…
Reference in a new issue