summaryrefslogtreecommitdiff
path: root/src/block_device
diff options
context:
space:
mode:
Diffstat (limited to 'src/block_device')
-rw-r--r--src/block_device/memory_disk.rs33
-rw-r--r--src/block_device/mod.rs8
2 files changed, 0 insertions, 41 deletions
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<Vec<u8>>,
-}
-
-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);
- }
-}
diff --git a/src/block_device/mod.rs b/src/block_device/mod.rs
deleted file mode 100644
index a8fd8b7..0000000
--- a/src/block_device/mod.rs
+++ /dev/null
@@ -1,8 +0,0 @@
-/// Abstracts for block devices.
-/// Currently only a mock memory disk.
-pub mod memory_disk;
-pub const BLOCK_SIZE: usize = 4096;
-pub trait BlockDevice {
- fn read(&self, block_id: usize, buffer: &mut [u8]);
- fn write(&self, block_id: usize, buffer: &[u8]);
-}