From 8cace3f05003c6cb4d38c36890055f03151c2ad4 Mon Sep 17 00:00:00 2001 From: Richard Qin Date: Fri, 16 Oct 2026 02:39:56 +0800 Subject: Remove old code Signed-off-by: Richard Qin --- docs/dev/dev_device.md | 23 ----------------------- 1 file changed, 23 deletions(-) delete mode 100644 docs/dev/dev_device.md (limited to 'docs/dev/dev_device.md') diff --git a/docs/dev/dev_device.md b/docs/dev/dev_device.md deleted file mode 100644 index 1eb6462..0000000 --- a/docs/dev/dev_device.md +++ /dev/null @@ -1,23 +0,0 @@ -# Dev log -## **3.Device Model & HAL:** -* Interrupt Controller: PLIC: - - * Implement the PLIC (Platform-Level Interrupt Controller) driver. - - * Set the PLIC priority threshold and enable bits during the start() phase. - - * Dispatch Cause 9 (External Interrupt) in kerneltrap/usertrap. - -* Character Device: Interrupt-Driven Console: - - * Implement a Ring Buffer. uart_putc returns immediately after writing to the buffer. - - * UART transmit interrupt: triggers when the serial port is idle, the ISR takes data from the Ring Buffer and writes it to the register. - - * UART receive interrupt: triggers when a key is pressed, the ISR reads the character and wakes up the process waiting to read. - -* Block Device: VirtIO-Blk: - - * Implement a block device driver for the PCI or MMIO transport layer according to the VirtIO 2.0 standard. - - * DMA: Use the Buddy System to allocate contiguous memory as the descriptor table for the Virtqueue. \ No newline at end of file -- cgit v1.2.3