2 files changed, 0 insertions, 78 deletions
diff --git a/bios/drive/+x86_64/drive.s b/bios/drive/+x86_64/drive.s
deleted file mode 100644
index 1f3828e..0000000
--- a/bios/drive/+x86_64/drive.s
+++ /dev/null
@@ -1,7 +0,0 @@
-.code16
-
-.globl bios.drive.read
-bios.drive.read:
-	mov $0x2, %ah
-	int $0x13
-	ret
diff --git a/bios/drive/drive.ha b/bios/drive/drive.ha
deleted file mode 100644
index a2992b8..0000000
--- a/bios/drive/drive.ha
+++ /dev/null
@@ -1,71 +0,0 @@
-use bios;
-
-def sector_size: u32 = 512;
-
-export type error = !void;
-
-// Converts lba to the CHS format
-fn lbatochs(lba: u32) (u16, u16, u16) = {
-	const temp = lba / bios::drive_sectors_per_track;
-	const sector = (lba % bios::drive_sectors_per_track) + 1;
-	const head = temp % bios::drive_heads;
-	const cylinder = temp / bios::drive_heads;
-
-	return (cylinder: u16, head: u16, sector: u16);
-};
-
-// Reads the sector at lba and place it into the workspace buffer
-fn bios_read(lba: u32) (void | error) = {
-	const chs = lbatochs(lba);
-	const readcount = len(bios::ws): u32 / sector_size;
-
-	// AH=0x2 (read disk) AL=1 (read 1 sector)
-	bios::regs.eax = 0x2 << 8 | readcount;
-
-	// CH=cylinder CL=sector
-	bios::regs.ecx = chs.0 << 8 | chs.2;
-
-	// DH=head DL=driveno
-	bios::regs.edx = chs.1 << 8 | bios::drive_number;
-
-	let ws = (&bios::ws): uintptr;
-	bios::regs.es = (ws / 16): u16;
-	bios::regs.ebx = (ws % 16): u32;
-
-	bios::call(0x13);
-
-	if (bios::regs.eax != readcount) {
-		return error;
-	};
-};
-
-export fn read(addr: u32, count: size, dest: *[*]u8) (void | error) = {
-	// the amount of sectors fitting in the workspace (cannot be make a global constant yet, an assertion fails)
-	const readcount = len(bios::ws): u32 / sector_size;
-
-	// the starting lba
-	let lba = addr / sector_size;
-	// the reading head (for starting to read bytes not aligned with the sector)
-	let head = addr % len(bios::ws);
-
-	let cursor = 0z;
-
-	for (true) {
-		bios_read(lba)?;
-		
-		for (head < len(bios::ws)) {
-			// XXX: use memmove
-			dest[cursor] = bios::ws[head];
-			
-			head += 1;
-			cursor += 1;
-			if (cursor >= count) {
-				return;
-			};
-		};
-
-		head = 0;
-		lba += readcount;
-	};
-	
-};