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设备驱动模型：完善platform bus相关内容。并注册串口到sysfs (#403)

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* 完成初始化platform bus
* 删除旧的sysfs
* 把uart驱动移动到tty/serial文件夹下
* 完成将串口挂载到sysfs
* 修复vfs系统调用未能follow symlink的问题
* 修复shell未能正确获取pwd的问题
This commit is contained in:
LoGin
2023-10-20 22:11:33 +08:00
committed by GitHub
parent 06d5e24726
commit a03c4f9dee
61 changed files with 2904 additions and 1325 deletions
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7
kernel/src/driver/video/mod.rs
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@ -8,8 +8,7 @@ use alloc::{boxed::Box, sync::Arc};
use crate::{
arch::MMArch,
driver::uart::uart_device::c_uart_send_str,
driver::uart::uart_device::UartPort::COM1,
driver::tty::serial::serial8250::send_to_default_serial8250_port,
include::bindings::bindings::{
multiboot2_get_Framebuffer_info, multiboot2_iter, multiboot_tag_framebuffer_info_t,
FRAME_BUFFER_MAPPING_OFFSET, SPECIAL_MEMOEY_MAPPING_VIRT_ADDR_BASE,
@ -226,7 +225,7 @@ impl VideoRefreshManager {
.unwrap();
let init_text = "Video driver to map.\n\0";
c_uart_send_str(COM1 as u16, init_text.as_ptr());
send_to_default_serial8250_port(init_text.as_bytes());
//地址映射
let paddr = PhysAddr::new(fb_info.framebuffer_addr as usize);
@ -245,7 +244,7 @@ impl VideoRefreshManager {
__MAMAGER = Some(result);
let init_text = "Video driver initialized.\n\0";
c_uart_send_str(COM1 as u16, init_text.as_ptr());
send_to_default_serial8250_port(init_text.as_bytes());
return Ok(());
}
}