Merge branch 'master' into branch 'feat-ebpf' #922
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* fix the EventFdFlags error * feat: support tokio (Single thread version) Fix deadlock issue on closing file. Add function for PipeInode and EventFdInode.
* feat: 添加gendisk抽象. * 支持使用virtio磁盘作为根文件系统 * Update initial_kthread.rs to resolve conflict. --------- Co-authored-by: Donkey Kane <[email protected]>
- 添加文件映射相关接口，目前已简单实现fat文件系统的私有映射和共享映射 - 添加msync系统调用（由于当前未实现脏页自动回写，需要手动调用msync进行同步） - 简单实现PageCache（暂时使用HashMap进行文件页号与页的映射） - 添加新的PageFlags标志结构，原PageFlags改名为EntryFlags - 参考linux使用protection_map映射表进行页面标志的获取 - 添加页面回收机制 - 添加页面回收内核线程 - 缺页中断使用的锁修改为irq_save; 添加脏页回写机制 - 修复do_cow_page死锁问题 - 访问非法地址时发送信号终止进程 - 修复重复插入反向vma表的错误 - 添加test_filemap文件映射测试程序
* 添加multiboot header * head.S传参增加bootloader类型 * feat: 添加引导加载协议的抽象,并为multiboot2实现这个抽象. * 把framebuffer的映射地址改为从early ioremap和mmio pool分配 * riscv64能运行
* 修复riscv64启动时的PageFault * 优化代码结构
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