12813126eSlogin #![no_std] // <1> 22813126eSlogin #![no_main] // <1> 3935f40ecSlogin #![feature(const_mut_refs)] 42813126eSlogin #![feature(core_intrinsics)] // <2> 5fb6c29d0Slogin #![feature(alloc_error_handler)] 666f67c6aSlogin #![feature(panic_info_message)] 71a2eaa40Slogin #![feature(drain_filter)] // 允许Vec的drain_filter特性 8*13776c11Slogin #![feature(c_void_variant)] 92813126eSlogin #[allow(non_upper_case_globals)] 102813126eSlogin #[allow(non_camel_case_types)] 112813126eSlogin #[allow(non_snake_case)] 12fb6c29d0Slogin use core::panic::PanicInfo; 13fb6c29d0Slogin 14adc1846bSlogin /// 导出x86_64架构相关的代码,命名为arch模块 1566f67c6aSlogin #[macro_use] 1666f67c6aSlogin mod arch; 1782d2e446Slogin #[macro_use] 18fb6c29d0Slogin mod libs; 19004e86ffSlogin #[macro_use] 20004e86ffSlogin mod include; 21004e86ffSlogin mod driver; // 如果driver依赖了libs,应该在libs后面导出 22ec53d23eSlogin mod exception; 23004e86ffSlogin mod filesystem; 24004e86ffSlogin mod io; 25004e86ffSlogin mod ipc; 2666f67c6aSlogin mod mm; 274454d1a2Slogin mod net; 2866f67c6aSlogin mod process; 2966f67c6aSlogin mod sched; 3066f67c6aSlogin mod smp; 314454d1a2Slogin mod syscall; 3201876902SGou Ngai mod time; 3382d2e446Slogin 34004e86ffSlogin #[macro_use] 35fb6c29d0Slogin extern crate alloc; 36c2481452Shoumkh #[macro_use] 374454d1a2Slogin extern crate bitflags; 384454d1a2Slogin #[macro_use] 39c2481452Shoumkh extern crate lazy_static; 404454d1a2Slogin extern crate num; 41004e86ffSlogin #[macro_use] 424454d1a2Slogin extern crate num_derive; 434454d1a2Slogin extern crate smoltcp; 440d48c3c9Slogin extern crate thingbuf; 4584407d36Slogin 46bacd691cSlogin #[cfg(target_arch = "x86_64")] 47bacd691cSlogin extern crate x86; 48bacd691cSlogin 49fb6c29d0Slogin use mm::allocator::KernelAllocator; 502813126eSlogin 51fb6c29d0Slogin // <3> 5201876902SGou Ngai use crate::{ 53adc1846bSlogin arch::asm::current::current_pcb, 542b771e32SGou Ngai include::bindings::bindings::{process_do_exit, BLACK, GREEN}, 55*13776c11Slogin net::net_core::net_init, 5601876902SGou Ngai }; 57fb6c29d0Slogin 58fb6c29d0Slogin // 声明全局的slab分配器 59fb6c29d0Slogin #[cfg_attr(not(test), global_allocator)] 60fb6c29d0Slogin pub static KERNEL_ALLOCATOR: KernelAllocator = KernelAllocator {}; 61fb6c29d0Slogin 62fb6c29d0Slogin /// 全局的panic处理函数 632813126eSlogin #[panic_handler] 642813126eSlogin #[no_mangle] 6566f67c6aSlogin pub fn panic(info: &PanicInfo) -> ! { 6666f67c6aSlogin kerror!("Kernel Panic Occurred."); 6766f67c6aSlogin 6866f67c6aSlogin match info.location() { 6966f67c6aSlogin Some(loc) => { 7066f67c6aSlogin println!( 7166f67c6aSlogin "Location:\n\tFile: {}\n\tLine: {}, Column: {}", 7266f67c6aSlogin loc.file(), 7366f67c6aSlogin loc.line(), 7466f67c6aSlogin loc.column() 7566f67c6aSlogin ); 7666f67c6aSlogin } 7766f67c6aSlogin None => { 7866f67c6aSlogin println!("No location info"); 7966f67c6aSlogin } 8066f67c6aSlogin } 8166f67c6aSlogin 8266f67c6aSlogin match info.message() { 8366f67c6aSlogin Some(msg) => { 8466f67c6aSlogin println!("Message:\n\t{}", msg); 8566f67c6aSlogin } 8666f67c6aSlogin None => { 8766f67c6aSlogin println!("No panic message."); 8866f67c6aSlogin } 8966f67c6aSlogin } 9066f67c6aSlogin 9166f67c6aSlogin println!("Current PCB:\n\t{:?}", current_pcb()); 9266f67c6aSlogin unsafe { 9366f67c6aSlogin process_do_exit(u64::MAX); 9466f67c6aSlogin }; 9501876902SGou Ngai loop {} 962813126eSlogin } 972813126eSlogin 98fb6c29d0Slogin /// 该函数用作测试,在process.c的initial_kernel_thread()中调用了此函数 992813126eSlogin #[no_mangle] 1002813126eSlogin pub extern "C" fn __rust_demo_func() -> i32 { 101fb6c29d0Slogin printk_color!(GREEN, BLACK, "__rust_demo_func()\n"); 102*13776c11Slogin net_init().expect("Failed to init network"); 1032813126eSlogin return 0; 1042813126eSlogin } 105