12813126eSlogin #![no_std] // <1> 22813126eSlogin #![no_main] // <1> 3bb24249fSLoGin #![feature(alloc_error_handler)] 440fe15e0SLoGin #![feature(allocator_api)] 540fe15e0SLoGin #![feature(arbitrary_self_types)] 6*1496ba7bSLoGin #![feature(asm_const)] 7935f40ecSlogin #![feature(const_mut_refs)] 840fe15e0SLoGin #![feature(core_intrinsics)] 913776c11Slogin #![feature(c_void_variant)] 1040fe15e0SLoGin #![feature(drain_filter)] 11729a96efSXshine #![feature(is_some_and)] 12*1496ba7bSLoGin #![feature(naked_functions)] 13bb24249fSLoGin #![feature(panic_info_message)] 14bb24249fSLoGin #![feature(ptr_internals)] 15cde5492fSlogin #![feature(trait_upcasting)] 1640fe15e0SLoGin #![feature(slice_ptr_get)] 1740fe15e0SLoGin #![feature(vec_into_raw_parts)] 1840fe15e0SLoGin 192813126eSlogin #[allow(non_upper_case_globals)] 202813126eSlogin #[allow(non_camel_case_types)] 212813126eSlogin #[allow(non_snake_case)] 22fb6c29d0Slogin use core::panic::PanicInfo; 23fb6c29d0Slogin 24adc1846bSlogin /// 导出x86_64架构相关的代码,命名为arch模块 2566f67c6aSlogin #[macro_use] 2666f67c6aSlogin mod arch; 2782d2e446Slogin #[macro_use] 28fb6c29d0Slogin mod libs; 29004e86ffSlogin #[macro_use] 30004e86ffSlogin mod include; 31004e86ffSlogin mod driver; // 如果driver依赖了libs,应该在libs后面导出 32ec53d23eSlogin mod exception; 33004e86ffSlogin mod filesystem; 34004e86ffSlogin mod ipc; 3566f67c6aSlogin mod mm; 364454d1a2Slogin mod net; 3766f67c6aSlogin mod process; 3866f67c6aSlogin mod sched; 3966f67c6aSlogin mod smp; 404454d1a2Slogin mod syscall; 4101876902SGou Ngai mod time; 4282d2e446Slogin 43004e86ffSlogin #[macro_use] 44fb6c29d0Slogin extern crate alloc; 45c2481452Shoumkh #[macro_use] 464454d1a2Slogin extern crate bitflags; 4740fe15e0SLoGin extern crate elf; 484454d1a2Slogin #[macro_use] 49c2481452Shoumkh extern crate lazy_static; 50*1496ba7bSLoGin extern crate memoffset; 514454d1a2Slogin extern crate num; 52004e86ffSlogin #[macro_use] 534454d1a2Slogin extern crate num_derive; 544454d1a2Slogin extern crate smoltcp; 550d48c3c9Slogin extern crate thingbuf; 56bacd691cSlogin #[cfg(target_arch = "x86_64")] 57bacd691cSlogin extern crate x86; 58bacd691cSlogin 5940fe15e0SLoGin use crate::mm::allocator::kernel_allocator::KernelAllocator; 602813126eSlogin 61*1496ba7bSLoGin use crate::process::ProcessManager; 62fb6c29d0Slogin 63abe3a6eaShanjiezhou // 声明全局的分配器 64fb6c29d0Slogin #[cfg_attr(not(test), global_allocator)] 6540fe15e0SLoGin pub static KERNEL_ALLOCATOR: KernelAllocator = KernelAllocator; 66fb6c29d0Slogin 67fb6c29d0Slogin /// 全局的panic处理函数 682813126eSlogin #[panic_handler] 692813126eSlogin #[no_mangle] 7066f67c6aSlogin pub fn panic(info: &PanicInfo) -> ! { 7166f67c6aSlogin kerror!("Kernel Panic Occurred."); 7266f67c6aSlogin 7366f67c6aSlogin match info.location() { 7466f67c6aSlogin Some(loc) => { 7566f67c6aSlogin println!( 7666f67c6aSlogin "Location:\n\tFile: {}\n\tLine: {}, Column: {}", 7766f67c6aSlogin loc.file(), 7866f67c6aSlogin loc.line(), 7966f67c6aSlogin loc.column() 8066f67c6aSlogin ); 8166f67c6aSlogin } 8266f67c6aSlogin None => { 8366f67c6aSlogin println!("No location info"); 8466f67c6aSlogin } 8566f67c6aSlogin } 8666f67c6aSlogin 8766f67c6aSlogin match info.message() { 8866f67c6aSlogin Some(msg) => { 8966f67c6aSlogin println!("Message:\n\t{}", msg); 9066f67c6aSlogin } 9166f67c6aSlogin None => { 9266f67c6aSlogin println!("No panic message."); 9366f67c6aSlogin } 9466f67c6aSlogin } 9566f67c6aSlogin 96*1496ba7bSLoGin println!("Current PCB:\n\t{:?}", *(ProcessManager::current_pcb())); 97*1496ba7bSLoGin ProcessManager::exit(usize::MAX); 982813126eSlogin } 99