Bootloader: Begin Disk Access Packet (DAP)

Begin support for reading disk in bootsector mode.
corigan01 · Mar 17, 2024 · 5ea2a34 · 5ea2a34
1 parent 76bdf6b
commit 5ea2a34
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diff --git a/bootloader/stage-bootsector/src/disk.rs 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
@@ -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"));