forked from LowLevelDevs/FoundryOS
62 lines
1.7 KiB
Rust
62 lines
1.7 KiB
Rust
#![no_std]
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#![feature(abi_x86_interrupt)]
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use arch::x86_64::interrupts;
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use core::arch::asm;
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use limine::request::{RequestsEndMarker, RequestsStartMarker};
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use limine::BaseRevision;
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pub use lib_ascii::{print, print_log, println, println_log, WRITER};
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pub use lib_serial::{serial_print, serial_println, serial_read};
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mod arch;
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use lib_framebuffer;
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/// Sets the base revision to the latest revision supported by the crate.
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/// See specification for further info.
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/// Be sure to mark all limine requests with #[used], otherwise they may be removed by the compiler.
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#[used]
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// The .requests section allows limine to find the requests faster and more safely.
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#[link_section = ".requests"]
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static BASE_REVISION: BaseRevision = BaseRevision::new();
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/// Define the stand and end markers for Limine requests.
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#[used]
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#[link_section = ".requests_start_marker"]
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static _START_MARKER: RequestsStartMarker = RequestsStartMarker::new();
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#[used]
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#[link_section = ".requests_end_marker"]
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static _END_MARKER: RequestsEndMarker = RequestsEndMarker::new();
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#[panic_handler]
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fn rust_panic(_info: &core::panic::PanicInfo) -> ! {
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hcf();
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}
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pub fn hcf() -> ! {
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loop {
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unsafe {
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#[cfg(target_arch = "x86_64")]
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asm!("hlt");
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#[cfg(any(target_arch = "aarch64", target_arch = "riscv64"))]
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asm!("wfi");
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#[cfg(target_arch = "loongarch64")]
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asm!("idle 0");
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}
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}
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}
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pub fn boot() -> Result<(), &'static str> {
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if !BASE_REVISION.is_supported() {
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return Err("base revision not supported");
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}
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lib_serial::init()?;
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arch::x86_64::interrupts::init_idt();
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x86_64::instructions::interrupts::enable();
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Ok(())
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}
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