Files
FireBee_SVN/sd-emutos/xhdi.h
2013-05-05 09:10:42 +00:00

582 lines
18 KiB
C

/*
* xhdi.h
*
* Created on: 03.05.2013
* Author: mfro
*/
#ifndef XHDI_H_
#define XHDI_H_
/* XHDI function numbers */
#define XHDI_VERSION 0
#define XHDI_INQUIRE_TARGET 1
#define XHDI_RESERVE 2
#define XHDI_LOCK 3
#define XHDI_STOP 4
#define XHDI_EJECT 5
#define XHDI_DRIVEMAP 6
#define XHDI_INQUIRE_DEVICE 7
#define XHDI_INQUIRE_DRIVER 8
#define XHDI_NEW_COOKIE 9
#define XHDI_READ_WRITE 10
#define XHDI_INQUIRE_TARGET2 11
#define XHDI_INQUIRE_DEVICE2 12
#define XHDI_DRIVER_SPECIAL 13
#define XHDI_GET_CAPACITY 14
#define XHDI_MEDIUM_CHANGED 15
#define XHDI_MINT_INFO 16
#define XHDI_DOS_LIMITS 17
#define XHDI_LAST_ACCESS 18
#define XHDI_REACCESS 19
/* XHDI error codes */
#define E_OK 0 /* OK */
#define ERROR -1 /* unspecified error */
#define EDRVNR -2 /* drive not ready */
#define EUNDEV -15 /* invalid device/target number */
#define EINVFN -32 /* invalid function number */
#define EACCDN -36 /* access denied (device currently reserved) */
#define EDRIVE -46 /* BIOS device not served by driver */
/* XHDI device capabilities */
#define XH_TARGET_STOPPABLE (1 << 0)
#define XH_TARGET_REMOVABLE (1 << 1)
#define XH_TARGET_LOCKABLE (1 << 2)
#define XH_TARGET_EJECTABLE (1 << 3)
#define XH_TARGET_LOCKED (1 << 29)
#define XH_TARGET_STOPPED (1 << 30)
#define XH_TARGET_RESERVED (1 << 31)
/* XHDI DOS limits */
#define XH_DL_SECSIZ (0) /* Maximum sector size (BIOS level) */
#define XH_DL_MINFAT (1) /* Minimum number of FATs */
#define XH_DL_MAXFAT (2) /* Maximal number of FATs */
#define XH_DL_MINSPC (3) /* Minimum sectors per cluster */
#define XH_DL_MAXSPC (4) /* Maximum sectors per cluster */
#define XH_DL_CLUSTS (5) /* Maximum number of clusters of a 16-bit FAT */
#define XH_DL_MAXSEC (6) /* Maximum number of sectors */
#define XH_DL_DRIVES (7) /* Maximum number of BIOS drives supported by the DOS */
#define XH_DL_CLSIZB (8) /* Maximum cluster size */
#define XH_DL_RDLEN (9) /* Max. (bpb->rdlen * bpb->recsiz/32) */
#define XH_DL_CLUSTS12 (12) /* Max. number of clusters of a 12-bit FAT */
#define XH_DL_CLUSTS32 (13) /* Max. number of clusters of a 32 bit FAT */
#define XH_DL_BFLAGS (14) /* Supported bits in bpb->bflags */
#ifndef _FEATURES_H
#include <features.h>
#endif /* _FEATURES_H */
extern long xhdi_entrypoint;
#define CLOBBER_REGISTERS "a0","memory" /* */
/* XHDI #0 */
#define XHGetVersion(xhdi_entry) \
__extension__ \
({ \
register long retvalue __asm__("d0"); \
\
__asm__ volatile( \
"move.w #0,-(sp)\n\t" \
"move.l %[entry],a0\n\t" \
"jsr (a0)\n\t" \
"addq.l #2,sp\n\t" \
: [retvalue]"=r"(retvalue) /* outputs */ \
: [entry] "g" (xhdi_entry) /* inputs */ \
: CLOBBER_REGISTERS /* clobbered regs */ \
); \
retvalue; \
})
/* XHDI #1 */
#define XHInqTarget(xhdi_entry, major, minor, block_size, flags, product_name) \
__extension__ \
({ \
register long retvalue __asm__("d0"); \
\
__asm__ volatile( \
"move.l %[a_product_name],-(sp)\n\t" \
"move.l %[a_flags],-(sp)\n\t" \
"move.l %[a_block_size],-(sp)\n\t" \
"move.w %[a_minor],-(sp)\n\t" \
"move.w %[a_major],-(sp)\n\t" \
"move.w #1,-(sp)\n\t" \
"move.l %[entry],a0\n\t" \
"jsr (a0)\n\t" \
"lea 18(sp),sp\n\t" \
: "=r"(retvalue) /* outputs */ \
: [entry]"g"(xhdi_entry), \
[a_major]"g"(major), \
[a_minor]"g"(minor), \
[a_block_size]"g"(block_size), \
[a_flags]"g"(flags), \
[a_product_name]"g"(product_name) \
: CLOBBER_REGISTERS /* clobbered regs */ \
); \
retvalue; \
})
/* XHDI #2 */
#define XHReserve(xhdi_entry, major, minor, do_reserve, key) \
__extension__ \
({ \
register long retvalue __asm__("d0"); \
\
__asm__ volatile( \
"move.w %[a_key],-(sp)\n\t" \
"move.w %[a_do_reserve],-(sp)\n\t" \
"move.w %[a_minor],-(sp)\n\t" \
"move.w %[a_major],-(sp)\n\t" \
"move.w #2,-(sp)\n\t" \
"move.l %[entry],a0\n\t" \
"jsr (a0)\n\t" \
"lea 10(sp),sp\n\t" \
: "=r"(retvalue) /* outputs */ \
: [entry]"g"(xhdi_entry), \
[a_major]"g"(major), \
[a_minor]"g"(minor), \
[a_do_reserve]"g"(do_reserve), \
[a_key]"g"(key) \
: CLOBBER_REGISTERS /* clobbered regs */ \
); \
retvalue; \
})
/* XHDI #3 */
#define XHLock(xhdi_entry, major, minor, do_lock, key) \
__extension__ \
({ \
register long retvalue __asm__("d0"); \
\
__asm__ volatile( \
"move.w %[a_key],-(sp)\n\t" \
"move.w %[a_do_lock],-(sp)\n\t" \
"move.w %[a_minor],-(sp)\n\t" \
"move.w %[a_major],-(sp)\n\t" \
"move.w #3,-(sp)\n\t" \
"move.l %[entry],a0\n\t" \
"jsr (a0)\n\t" \
"lea 10(sp),sp\n\t" \
: "=r"(retvalue) /* outputs */ \
: [entry]"g"(xhdi_entry), \
[a_major]"g"(major), \
[a_minor]"g"(minor), \
[a_do_lock]"g"(do_lock), \
[a_key]"g"(key) \
: CLOBBER_REGISTERS /* clobbered regs */ \
); \
retvalue; \
})
/* XHDI #4 */
#define XHStop(xhdi_entry, major, minor, do_stop, key) \
__extension__ \
({ \
register long retvalue __asm__("d0"); \
\
__asm__ volatile( \
"move.w %[a_key],-(sp)\n\t" \
"move.w %[a_do_stop],-(sp)\n\t" \
"move.w %[a_minor],-(sp)\n\t" \
"move.w %[a_major],-(sp)\n\t" \
"move.w #4,-(sp)\n\t" \
"move.l %[entry],a0\n\t" \
"jsr (a0)\n\t" \
"lea 10(sp),sp\n\t" \
: "=r"(retvalue) /* outputs */ \
: [entry]"g"(xhdi_entry), \
[a_major]"g"(major), \
[a_minor]"g"(minor), \
[a_do_stop]"g"(do_stop), \
[a_key]"g"(key) \
: CLOBBER_REGISTERS /* clobbered regs */ \
); \
retvalue; \
})
/* XHDI #5 */
#define XHEject(xhdi_entry, major, minor, do_eject, key) \
__extension__ \
({ \
register long retvalue __asm__("d0"); \
\
__asm__ volatile( \
"move.w %[a_key],-(sp)\n\t" \
"move.w %[a_do_eject],-(sp)\n\t" \
"move.w %[a_minor],-(sp)\n\t" \
"move.w %[a_major],-(sp)\n\t" \
"move.w #5,-(sp)\n\t" \
"move.l %[entry],a0\n\t" \
"jsr (a0)\n\t" \
"lea 10(sp),sp\n\t" \
: "=r"(retvalue) /* outputs */ \
: [entry]"g"(xhdi_entry), \
[a_major]"g"(major), \
[a_minor]"g"(minor), \
[a_do_eject]"g"(do_eject), \
[a_key]"g"(key) \
: CLOBBER_REGISTERS /* clobbered regs */ \
); \
retvalue; \
})
/* XHDI #6 */
#define XHDrvMap(xhdi_entry) \
__extension__ \
({ \
register long retvalue __asm__("d0"); \
\
__asm__ volatile( \
"move.w #6,-(sp)\n\t" \
"move.l %[entry],a0\n\t" \
"jsr (a0)\n\t" \
"addq.l #2,sp\n\t" \
: [retvalue] "=r" (retvalue)/* outputs */ \
: [entry] "m" (xhdi_entry) /* inputs */ \
: CLOBBER_REGISTERS /* clobbered regs */ \
); \
retvalue; \
})
/* XHDI #7 */
#define XHInqDev(xhdi_entry, bios_device, major, minor, start_sector, bpb) \
__extension__ \
({ \
register long retvalue __asm__("d0"); \
\
__asm__ volatile( \
"move.l %[a_bpb],-(sp)\n\t" \
"move.l %[a_start_sector],-(sp)\n\t" \
"move.l %[a_minor],-(sp)\n\t" \
"move.l %[a_major],-(sp)\n\t" \
"move.w %[a_bios_device],-(sp)\n\t" \
"move.w #7,-(sp)\n\t" \
"move.l %[a_entry],a0\n\t" \
"jsr (a0)\n\t" \
"lea 20(sp),sp\n\t" \
: [retvalue]"=r"(retvalue) /* outputs */ \
: [a_entry]"g"(xhdi_entry), \
[a_bios_device]"g"(bios_device), \
[a_major]"g"(major), \
[a_minor]"g"(minor), \
[a_start_sector]"g"(start_sector), \
[a_bpb]"g"(bpb) \
: CLOBBER_REGISTERS /* clobbered regs */ \
); \
retvalue; \
})
/* XHDI #8 */
#define XHInqDriver(xhdi_entry, bios_device, name, version, company, ahdi_version, max_ipl) \
__extension__ \
({ \
register long retvalue __asm__("d0"); \
\
__asm__ volatile( \
"move.l %[a_max_ipl],-(sp)\n\t" \
"move.l %[a_ahdi_version],-(sp)\n\t" \
"move.l %[a_company],-(sp)\n\t" \
"move.l %[a_version],-(sp)\n\t" \
"move.l %[a_name],-(sp)\n\t" \
"move.w %[a_bios_device],-(sp)\n\t" \
"move.w #8,-(sp)\n\t" \
"move.l %[entry],a0\n\t" \
"jsr (a0)\n\t" \
"lea 16(sp),sp\n\t" \
: "=r"(retvalue) /* outputs */ \
: [entry]"g"(xhdi_entry), \
[a_bios_device]"g"(bios_device), \
[a_name]"g"(name), \
[a_version]"g"(version), \
[a_company]"g"(company), \
[a_ahdi_version]"g"(ahdi_version), \
[a_max_ipl]"g"(max_ipl) \
: CLOBBER_REGISTERS /* clobbered regs */ \
); \
retvalue; \
})
/* XHDI #9 */
#define XHNewCookie(xhdi_entry, newcookie) \
__extension__ \
({ \
register long retvalue __asm__("d0"); \
\
__asm__ volatile( \
"move.l %[a_newcookie],-(sp)\n\t" \
"move.w #9,-(sp)\n\t" \
"move.l %[entry],a0\n\t" \
"jsr (a0)\n\t" \
"addq.l #6,sp\n\t" \
: "=r"(retvalue) /* outputs */ \
: [entry] "g" (xhdi_entry), \
[a_newcookie]"g"(newcookie) /* inputs */ \
: CLOBBER_REGISTERS /* clobbered regs */ \
); \
retvalue; \
})
/* XHDI #10 */
#define XHReadWrite(xhdi_entry, major, minor, rwflag, recno, count, buf) \
__extension__ \
({ \
register long retvalue __asm__("d0"); \
\
__asm__ volatile( \
"move.l %[a_buf],-(sp)\n\t" \
"move.w %[a_count],-(sp)\n\t" \
"move.l %[a_recno],-(sp)\n\t" \
"move.w %[a_rwflag],-(sp)\n\t" \
"move.w %[a_minor],-(sp)\n\t" \
"move.w %[a_major],-(sp)\n\t" \
"move.w #10,-(sp)\n\t" \
"move.l %[entry],a0\n\t" \
"jsr (a0)\n\t" \
"lea 18(sp),sp\n\t" \
: "=r"(retvalue) /* outputs */ \
: [entry]"g"(xhdi_entry), \
[a_major]"g"(major), \
[a_minor]"g"(minor), \
[a_rwflag]"g"(rwflag), \
[a_recno]"g"(recno), \
[a_count]"g"(count), \
[a_buf]"g"(buf) \
: CLOBBER_REGISTERS /* clobbered regs */ \
); \
retvalue; \
})
/* XHDI #11 */
#define XHInqTarget2(xhdi_entry, major, minor, block_size, device_flags, product_name, stringlen) \
__extension__ \
({ \
register long retvalue __asm__("d0"); \
\
__asm__ volatile( \
"move.w %[a_stringlen],-(sp)\n\t" \
"move.l %[a_product_name],-(sp)\n\t" \
"move.l %[a_device_flags],-(sp)\n\t" \
"move.l %[a_block_size],-(sp)\n\t" \
"move.w %[a_minor],-(sp)\n\t" \
"move.w %[a_major],-(sp)\n\t" \
"move.w #11,-(sp)\n\t" \
"move.l %[entry],a0\n\t" \
"jsr (a0)\n\t" \
"lea 24(sp),sp\n\t" \
: "=r"(retvalue) /* outputs */ \
: [entry]"g"(xhdi_entry), \
[a_major]"g"(major), \
[a_minor]"g"(minor), \
[a_block_size]"g"(block_size), \
[a_device_flags]"g"(device_flags), \
[a_product_name]"g"(product_name), \
[a_stringlen]"g"(stringlen) \
: CLOBBER_REGISTERS /* clobbered regs */ \
); \
retvalue; \
})
/* XHDI #12 */
#define XHInqDev2(xhdi_entry, bios_device, major, minor, start_sector, bpb, blocks, partid) \
__extension__ \
({ \
register long retvalue __asm__("d0"); \
\
__asm__ volatile( \
"move.l %[a_partid],-(sp)\n\t" \
"move.l %[a_blocks],-(sp)\n\t" \
"move.l %[a_bpb],-(sp)\n\t" \
"move.l %[a_start_sector],-(sp)\n\t" \
"move.l %[a_minor],-(sp)\n\t" \
"move.l %[a_major],-(sp)\n\t" \
"move.w %[a_bios_device],-(sp)\n\t" \
"move.w #12,-(sp)\n\t" \
"move.l %[entry],a0\n\t" \
"jsr (a0)\n\t" \
"lea 28(sp),sp\n\t" \
: "=r"(retvalue) /* outputs */ \
: [entry]"g"(xhdi_entry), \
[a_bios_device]"g"(bios_device), \
[a_major]"g"(major), \
[a_minor]"g"(minor), \
[a_start_sector]"g"(start_sector), \
[a_bpb]"g"(bpb), \
[a_blocks]"g"(blocks), \
[a_partid]"g"(partid) \
: CLOBBER_REGISTERS /* clobbered regs */ \
); \
retvalue; \
})
/* XHDI #13 */
#define XHDriverSpecial(xhdi_entry, key1, key2, subopcode, data) \
__extension__ \
({ \
register long retvalue __asm__("d0"); \
\
__asm__ volatile( \
"move.l %[a_data],-(sp)\n\t" \
"move.w %[a_subopcode],-(sp)\n\t" \
"move.l %[a_key2],-(sp)\n\t" \
"move.l %[a_key1],-(sp)\n\t" \
"move.w #13,-(sp)\n\t" \
"move.l %[entry],a0\n\t" \
"jsr (a0)\n\t" \
"lea 16(sp),sp\n\t" \
: "=r"(retvalue) /* outputs */ \
: [entry]"g"(xhdi_entry), \
[a_key1]"g"(key1), \
[a_key2]"g"(key2), \
[a_subopcode]"g"(subopcode), \
[a_data]"g"(data) \
: CLOBBER_REGISTERS /* clobbered regs */ \
); \
retvalue; \
})
/* XHDI #14 */
#define XHGetCapacity(xhdi_entry, major, minor, blocks, bs) \
__extension__ \
({ \
register long retvalue __asm__("d0"); \
\
__asm__ volatile( \
"move.l %[a_bs],-(sp)\n\t" \
"move.l %[a_blocks],-(sp)\n\t" \
"move.w %[a_minor],-(sp)\n\t" \
"move.w %[a_major],-(sp)\n\t" \
"move.w #14,-(sp)\n\t" \
"move.l %[entry],a0\n\t" \
"jsr (a0)\n\t" \
"lea 14(sp),sp\n\t" \
: "=r"(retvalue) /* outputs */ \
: [entry]"g"(xhdi_entry), \
[a_major]"g"(major), \
[a_minor]"g"(minor), \
[a_blocks]"g"(blocks), \
[a_bs]"g"(bs) \
: CLOBBER_REGISTERS /* clobbered regs */ \
); \
retvalue; \
})
/* XHDI #15 */
#define XHMediumChanged(xhdi_entry, major, minor) \
__extension__ \
({ \
register long retvalue __asm__("d0"); \
\
__asm__ volatile( \
"move.w %[a_minor],-(sp)\n\t" \
"move.w %[a_major],-(sp)\n\t" \
"move.w #15,-(sp)\n\t" \
"move.l %[entry],a0\n\t" \
"jsr (a0)\n\t" \
"addq.l #6,sp\n\t" \
: "=r"(retvalue) /* outputs */ \
: [entry]"g"(xhdi_entry), \
[a_major]"g"(major), \
[a_minor]"g"(minor) \
: CLOBBER_REGISTERS /* clobbered regs */ \
); \
retvalue; \
})
/* XHDI #16 */
#define XHMintInfo(xhdi_entry, opcode, data) \
__extension__ \
({ \
register long retvalue __asm__("d0"); \
\
__asm__ volatile( \
"move.l %[a_data],-(sp)\n\t" \
"move.w %[a_opcode],-(sp)\n\t" \
"move.w #16,-(sp)\n\t" \
"move.l %[entry],a0\n\t" \
"jsr (a0)\n\t" \
"lea 8(sp),sp\n\t" \
: "=r"(retvalue) /* outputs */ \
: [entry]"g"(xhdi_entry), \
[a_opcode]"g"(opcode), \
[a_data]"g"(data) \
: CLOBBER_REGISTERS /* clobbered regs */ \
); \
retvalue; \
})
/* XHDI #17 */
#define XHDOSLimits(xhdi_entry, which, limit) \
__extension__ \
({ \
register long retvalue __asm__("d0"); \
\
__asm__ volatile( \
"move.l %[a_limit],-(sp)\n\t" \
"move.w %[a_which],-(sp)\n\t" \
"move.w #17,-(sp)\n\t" \
"move.l %[entry],a0\n\t" \
"jsr (a0)\n\t" \
"lea 8(sp),sp\n\t" \
: "=r"(retvalue) /* outputs */ \
: [entry]"g"(xhdi_entry), \
[a_which]"g"(which), \
[a_limit]"g"(limit) \
: CLOBBER_REGISTERS /* clobbered regs */ \
); \
retvalue; \
})
/* XHDI #18 */
#define XHLastAccess(xhdi_entry, major, minor, ms) \
__extension__ \
({ \
register long retvalue __asm__("d0"); \
\
__asm__ volatile( \
"move.l %[a_ms],-(sp)\n\t" \
"move.w %[a_minor],-(sp)\n\t" \
"move.w %[a_major],-(sp)\n\t" \
"move.w #18,-(sp)\n\t" \
"move.l %[entry],a0\n\t" \
"jsr (a0)\n\t" \
"lea 10(sp),sp\n\t" \
: "=r"(retvalue) /* outputs */ \
: [entry]"g"(xhdi_entry), \
[a_major]"g"(major), \
[a_minor]"g"(minor), \
[a_ms]"g"(ms) \
: CLOBBER_REGISTERS /* clobbered regs */ \
); \
retvalue; \
})
/* XHDI #19 */
#define XHReaccess(xhdi_entry, major, minor) \
__extension__ \
({ \
register long retvalue __asm__("d0"); \
\
__asm__ volatile( \
"move.w %[a_minor],-(sp)\n\t" \
"move.w %[a_major],-(sp)\n\t" \
"move.w #19,-(sp)\n\t" \
"move.l %[entry],a0\n\t" \
"jsr (a0)\n\t" \
"addq.l #6,sp\n\t" \
: "=r"(retvalue) /* outputs */ \
: [entry]"g"(xhdi_entry), \
[a_major]"g"(major), \
[a_minor]"g"(minor) \
: CLOBBER_REGISTERS /* clobbered regs */ \
); \
retvalue; \
})
#endif /* XHDI_H_ */