1 files changed, 33 insertions, 0 deletions
diff --git a/src/disk.h b/src/disk.h
new file mode 100644
index 0000000..d7b3547
--- /dev/null
+++ b/src/disk.h
@@ -0,0 +1,33 @@
+// Definitions for X86 bios disks.
+//
+// Copyright (C) 2008  Kevin O'Connor <kevin@koconnor.net>
+//
+// This file may be distributed under the terms of the GNU GPLv3 license.
+
+#include "ioport.h" // outb
+
+#define DISK_RET_SUCCESS     0x00
+#define DISK_RET_EPARAM      0x01
+#define DISK_RET_ECHANGED    0x06
+#define DISK_RET_EBOUNDARY   0x09
+#define DISK_RET_ECONTROLLER 0x20
+#define DISK_RET_ETIMEOUT    0x80
+#define DISK_RET_EMEDIA      0xC0
+
+static inline void
+eoi_master_pic()
+{
+    outb(PIC1_IRQ5, PORT_PIC1);
+}
+
+static inline void
+eoi_both_pics()
+{
+    outb(PIC2_IRQ13, PORT_PIC2);
+    eoi_master_pic();
+}
+
+// floppy.c
+struct bregs;
+void floppy_13(struct bregs *regs, u8 drive);
+void floppy_tick();