From 1eac97eea4ec0bcef0be061a2cba93a584355283 Mon Sep 17 00:00:00 2001 From: Chuyan Zhang Date: Thu, 30 Nov 2023 02:15:06 -0800 Subject: Add real disk i/o, add mkfs.aya (not yet implemented) --- src/block_device/memory_disk.rs | 33 --------------------------------- 1 file changed, 33 deletions(-) delete mode 100644 src/block_device/memory_disk.rs (limited to 'src/block_device/memory_disk.rs') diff --git a/src/block_device/memory_disk.rs b/src/block_device/memory_disk.rs deleted file mode 100644 index 0639d3e..0000000 --- a/src/block_device/memory_disk.rs +++ /dev/null @@ -1,33 +0,0 @@ -use crate::block_device::{BlockDevice, BLOCK_SIZE}; -use std::cell::RefCell; - -#[repr(C)] -pub struct MemoryDisk { - /// Emulating a block device with a segment of RAM, - /// which is 64MiB == 4KiB per block * 16384 blocks - pub arena: RefCell>, -} - -impl MemoryDisk { - pub fn new(block_number: usize) -> Self { - Self { - arena: RefCell::new(vec![0u8; BLOCK_SIZE * block_number]), - } - } -} - -impl BlockDevice for MemoryDisk { - fn read(&self, block_id: usize, buffer: &mut [u8]) { - let block_front = block_id * BLOCK_SIZE; - let block_back = block_front + BLOCK_SIZE; - let arena = self.arena.borrow(); - buffer.copy_from_slice(&arena[block_front..block_back]); - } - - fn write(&self, block_id: usize, buffer: &[u8]) { - let block_front = block_id * BLOCK_SIZE; - let block_back = block_front + BLOCK_SIZE; - let mut arena = self.arena.borrow_mut(); - arena[block_front..block_back].copy_from_slice(buffer); - } -} -- cgit v1.2.3-70-g09d2