Fix bug in int1308 handling of floppies.

[seabios.git] / src / disk.h

diff --git a/src/disk.h b/src/disk.h
index f515458ecd0ae3b3d8c29362493a187ee1fd45db..1a3f91db4b77cc73edf5e6bb69417455e1a59ef1 100644 (file)
--- a/src/disk.h
+++ b/src/disk.h
@@ -6,21 +6,112 @@
 #ifndef __DISK_H
 #define __DISK_H
 
-#include "ioport.h" // outb
-#include "biosvar.h" // struct bregs
-
-#define DISK_RET_SUCCESS     0x00
-#define DISK_RET_EPARAM      0x01
-#define DISK_RET_ECHANGED    0x06
-#define DISK_RET_EBOUNDARY   0x09
-#define DISK_RET_EBADTRACK   0x0c
-#define DISK_RET_ECONTROLLER 0x20
-#define DISK_RET_ETIMEOUT    0x80
-#define DISK_RET_EMEDIA      0xC0
-#define DISK_RET_ENOTREADY   0xAA
+#include "types.h" // u8
+
+#define DISK_RET_SUCCESS       0x00
+#define DISK_RET_EPARAM        0x01
+#define DISK_RET_EADDRNOTFOUND 0x02
+#define DISK_RET_EWRITEPROTECT 0x03
+#define DISK_RET_ECHANGED      0x06
+#define DISK_RET_EBOUNDARY     0x09
+#define DISK_RET_EBADTRACK     0x0c
+#define DISK_RET_ECONTROLLER   0x20
+#define DISK_RET_ETIMEOUT      0x80
+#define DISK_RET_ENOTLOCKED    0xb0
+#define DISK_RET_ELOCKED       0xb1
+#define DISK_RET_ENOTREMOVABLE 0xb2
+#define DISK_RET_ETOOMANYLOCKS 0xb4
+#define DISK_RET_EMEDIA        0xC0
+#define DISK_RET_ENOTREADY     0xAA
+
+// Bios disk structures.
+struct int13ext_s {
+    u8  size;
+    u8  reserved;
+    u16 count;
+    u16 offset;
+    u16 segment;
+    u64 lba;
+} PACKED;
+
+#define GET_INT13EXT(regs,var)                                          \
+    GET_FARVAR((regs)->ds, ((struct int13ext_s*)((regs)->si+0))->var)
+#define SET_INT13EXT(regs,var,val)                                      \
+    SET_FARVAR((regs)->ds, ((struct int13ext_s*)((regs)->si+0))->var, (val))
+
+// Disk Physical Table definition
+struct int13dpt_s {
+    u16 size;
+    u16 infos;
+    u32 cylinders;
+    u32 heads;
+    u32 spt;
+    u64 sector_count;
+    u16 blksize;
+    u16 dpte_offset;
+    u16 dpte_segment;
+    u16 key;
+    u8  dpi_length;
+    u8  reserved1;
+    u16 reserved2;
+    u8  host_bus[4];
+    u8  iface_type[8];
+    u8  iface_path[8];
+    u8  device_path[8];
+    u8  reserved3;
+    u8  checksum;
+} PACKED;
+
+#define GET_INT13DPT(regs,var)                                          \
+    GET_FARVAR((regs)->ds, ((struct int13dpt_s*)((regs)->si+0))->var)
+#define SET_INT13DPT(regs,var,val)                                      \
+    SET_FARVAR((regs)->ds, ((struct int13dpt_s*)((regs)->si+0))->var, (val))
+
+// Floppy "Disk Base Table"
+struct floppy_dbt_s {
+    u8 specify1;
+    u8 specify2;
+    u8 shutoff_ticks;
+    u8 bps_code;
+    u8 sectors;
+    u8 interblock_len;
+    u8 data_len;
+    u8 gap_len;
+    u8 fill_byte;
+    u8 settle_time;
+    u8 startup_time;
+} PACKED;
+
+struct floppy_ext_dbt_s {
+    struct floppy_dbt_s dbt;
+    // Extra fields
+    u8 max_track;
+    u8 data_rate;
+    u8 drive_type;
+} PACKED;
+
+// Helper function for setting up a return code.
+struct bregs;
+void __disk_ret(const char *fname, int lineno, struct bregs *regs, u8 code);
+#define disk_ret(regs, code) \
+    __disk_ret(__func__, __LINE__, (regs), (code))
 
 // floppy.c
+extern struct floppy_ext_dbt_s diskette_param_table2;
+void floppy_drive_setup();
 void floppy_13(struct bregs *regs, u8 drive);
 void floppy_tick();
 
+// disk.c
+void disk_13(struct bregs *regs, u8 device);
+void disk_13XX(struct bregs *regs, u8 device);
+
+// cdrom.c
+int cdrom_read_emu(u16 device, u32 lba, u32 count, void *far_buffer);
+void cdrom_13(struct bregs *regs, u8 device);
+void cdemu_13(struct bregs *regs);
+void cdemu_134b(struct bregs *regs);
+int cdrom_boot();
+
+
 #endif // disk.h