From 5ea2a3402b0c8de09bdb4b89c2a585069b31f7a4 Mon Sep 17 00:00:00 2001
From: corigan01 <corigan01@gmail.com>
Date: Sun, 17 Mar 2024 15:02:21 -0500
Subject: [PATCH] Bootloader: Begin Disk Access Packet (DAP)

Begin support for reading disk in bootsector mode.
---
 bootloader/stage-bootsector/src/disk.rs | 11 +++++++++++
 bootloader/stage-bootsector/src/main.rs |  2 ++
 2 files changed, 13 insertions(+)
 create mode 100644 bootloader/stage-bootsector/src/disk.rs

diff --git a/bootloader/stage-bootsector/src/disk.rs b/bootloader/stage-bootsector/src/disk.rs
new file mode 100644
index 00000000..317f7392
--- /dev/null
+++ b/bootloader/stage-bootsector/src/disk.rs
@@ -0,0 +1,11 @@
+#[repr(packed, C)]
+struct DiskAccessPacket {
+    packet_size: u8,
+    always_zero: u8,
+    sectors: u16,
+    base_ptr: u16,
+    base_segment: u16,
+    lba: u64,
+}
+
+impl DiskAccessPacket {}
diff --git a/bootloader/stage-bootsector/src/main.rs b/bootloader/stage-bootsector/src/main.rs
index 314c8bee..671609fa 100644
--- a/bootloader/stage-bootsector/src/main.rs
+++ b/bootloader/stage-bootsector/src/main.rs
@@ -1,7 +1,9 @@
 #![no_std]
 #![no_main]
 
+mod disk;
 mod tiny_panic;
+
 use core::{arch::global_asm, include_str};
 
 global_asm!(include_str!("init.s"));