12813126eSlogin #![no_main] // <1> 2bb24249fSLoGin #![feature(alloc_error_handler)] 340fe15e0SLoGin #![feature(allocator_api)] 440fe15e0SLoGin #![feature(arbitrary_self_types)] 51496ba7bSLoGin #![feature(asm_const)] 6935f40ecSlogin #![feature(const_mut_refs)] 706d5e247SLoGin #![feature(const_trait_impl)] 8*a03c4f9dSLoGin #![feature(const_refs_to_cell)] 940fe15e0SLoGin #![feature(core_intrinsics)] 1013776c11Slogin #![feature(c_void_variant)] 1140fe15e0SLoGin #![feature(drain_filter)] 12729a96efSXshine #![feature(is_some_and)] 131496ba7bSLoGin #![feature(naked_functions)] 14bb24249fSLoGin #![feature(panic_info_message)] 15bb24249fSLoGin #![feature(ptr_internals)] 16cde5492fSlogin #![feature(trait_upcasting)] 1740fe15e0SLoGin #![feature(slice_ptr_get)] 1840fe15e0SLoGin #![feature(vec_into_raw_parts)] 19fba56231SLoGin #![cfg_attr(target_os = "none", no_std)] 20fba56231SLoGin 21fba56231SLoGin #[cfg(test)] 22fba56231SLoGin #[macro_use] 23fba56231SLoGin extern crate std; 2440fe15e0SLoGin 252813126eSlogin #[allow(non_upper_case_globals)] 262813126eSlogin #[allow(non_camel_case_types)] 272813126eSlogin #[allow(non_snake_case)] 28fb6c29d0Slogin use core::panic::PanicInfo; 29fb6c29d0Slogin 30adc1846bSlogin /// 导出x86_64架构相关的代码,命名为arch模块 3166f67c6aSlogin #[macro_use] 3266f67c6aSlogin mod arch; 3382d2e446Slogin #[macro_use] 34fb6c29d0Slogin mod libs; 35004e86ffSlogin #[macro_use] 36004e86ffSlogin mod include; 37004e86ffSlogin mod driver; // 如果driver依赖了libs,应该在libs后面导出 38ec53d23eSlogin mod exception; 39004e86ffSlogin mod filesystem; 40fba56231SLoGin mod init; 41004e86ffSlogin mod ipc; 4266f67c6aSlogin mod mm; 434454d1a2Slogin mod net; 4466f67c6aSlogin mod process; 4566f67c6aSlogin mod sched; 4666f67c6aSlogin mod smp; 474454d1a2Slogin mod syscall; 4801876902SGou Ngai mod time; 4982d2e446Slogin 50004e86ffSlogin #[macro_use] 51fb6c29d0Slogin extern crate alloc; 52c2481452Shoumkh #[macro_use] 534454d1a2Slogin extern crate bitflags; 5440fe15e0SLoGin extern crate elf; 554454d1a2Slogin #[macro_use] 56c2481452Shoumkh extern crate lazy_static; 571496ba7bSLoGin extern crate memoffset; 584454d1a2Slogin extern crate num; 59004e86ffSlogin #[macro_use] 604454d1a2Slogin extern crate num_derive; 614454d1a2Slogin extern crate smoltcp; 620d48c3c9Slogin extern crate thingbuf; 63fba56231SLoGin #[macro_use] 64fba56231SLoGin extern crate intertrait; 65bacd691cSlogin #[cfg(target_arch = "x86_64")] 66bacd691cSlogin extern crate x86; 67bacd691cSlogin 6840fe15e0SLoGin use crate::mm::allocator::kernel_allocator::KernelAllocator; 692813126eSlogin 701496ba7bSLoGin use crate::process::ProcessManager; 71fb6c29d0Slogin 72abe3a6eaShanjiezhou // 声明全局的分配器 73fb6c29d0Slogin #[cfg_attr(not(test), global_allocator)] 7440fe15e0SLoGin pub static KERNEL_ALLOCATOR: KernelAllocator = KernelAllocator; 75fb6c29d0Slogin 76fb6c29d0Slogin /// 全局的panic处理函数 77fba56231SLoGin #[cfg(target_os = "none")] 782813126eSlogin #[panic_handler] 792813126eSlogin #[no_mangle] 8066f67c6aSlogin pub fn panic(info: &PanicInfo) -> ! { 8166f67c6aSlogin kerror!("Kernel Panic Occurred."); 8266f67c6aSlogin 8366f67c6aSlogin match info.location() { 8466f67c6aSlogin Some(loc) => { 8566f67c6aSlogin println!( 8666f67c6aSlogin "Location:\n\tFile: {}\n\tLine: {}, Column: {}", 8766f67c6aSlogin loc.file(), 8866f67c6aSlogin loc.line(), 8966f67c6aSlogin loc.column() 9066f67c6aSlogin ); 9166f67c6aSlogin } 9266f67c6aSlogin None => { 9366f67c6aSlogin println!("No location info"); 9466f67c6aSlogin } 9566f67c6aSlogin } 9666f67c6aSlogin 9766f67c6aSlogin match info.message() { 9866f67c6aSlogin Some(msg) => { 9966f67c6aSlogin println!("Message:\n\t{}", msg); 10066f67c6aSlogin } 10166f67c6aSlogin None => { 10266f67c6aSlogin println!("No panic message."); 10366f67c6aSlogin } 10466f67c6aSlogin } 10566f67c6aSlogin 1061496ba7bSLoGin println!("Current PCB:\n\t{:?}", *(ProcessManager::current_pcb())); 1071496ba7bSLoGin ProcessManager::exit(usize::MAX); 1082813126eSlogin } 109