139 lines
5.3 KiB
C
139 lines
5.3 KiB
C
/*
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* xhdi_sd.h
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*
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* This file is part of BaS_gcc.
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*
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* BaS_gcc is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* BaS_gcc is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with BaS_gcc. If not, see <http://www.gnu.org/licenses/>.
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*
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* Created on: 01.05.2013
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* Copyright 2012 M. Fröschle
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*/
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#ifndef _XHDI_SD_H_
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#define _XHDI_SD_H_
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/* XHDI function numbers */
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#define XHDI_VERSION 0
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#define XHDI_INQUIRE_TARGET 1
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#define XHDI_RESERVE 2
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#define XHDI_LOCK 3
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#define XHDI_STOP 4
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#define XHDI_EJECT 5
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#define XHDI_DRIVEMAP 6
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#define XHDI_INQUIRE_DEVICE 7
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#define XHDI_INQUIRE_DRIVER 8
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#define XHDI_NEW_COOKIE 9
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#define XHDI_READ_WRITE 10
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#define XHDI_INQUIRE_TARGET2 11
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#define XHDI_INQUIRE_DEVICE2 12
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#define XHDI_DRIVER_SPECIAL 13
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#define XHDI_GET_CAPACITY 14
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#define XHDI_MEDIUM_CHANGED 15
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#define XHDI_MINT_INFO 16
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#define XHDI_DOS_LIMITS 17
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#define XHDI_LAST_ACCESS 18
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#define XHDI_REACCESS 19
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/* XHDI error codes */
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#define E_OK 0 /* OK */
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#define ERROR -1 /* unspecified error */
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#define EDRVNR -2 /* drive not ready */
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#define EUNDEV -15 /* invalid device/target number */
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#define EINVFN -32 /* invalid function number */
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#define EACCDN -36 /* access denied (device currently reserved) */
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#define EDRIVE -46 /* BIOS device not served by driver */
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/* XHDI device capabilities */
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#define XH_TARGET_STOPPABLE (1 << 0)
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#define XH_TARGET_REMOVABLE (1 << 1)
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#define XH_TARGET_LOCKABLE (1 << 2)
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#define XH_TARGET_EJECTABLE (1 << 3)
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#define XH_TARGET_LOCKED (1 << 29)
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#define XH_TARGET_STOPPED (1 << 30)
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#define XH_TARGET_RESERVED (1 << 31)
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typedef struct _BPB
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{
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uint16_t recsiz; /* Bytes per sector */
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uint16_t clsiz; /* Sectors per cluster */
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uint16_t clsizb; /* Bytes per cluster */
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uint16_t rdlen; /* Directory length */
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uint16_t fsiz; /* Length of the FAT */
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uint16_t fatrec; /* Start of the 2nd FAT */
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uint16_t datrec; /* 1st free sector */
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uint16_t numcl; /* Total numbr of clusters */
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uint16_t bflags; /* Flags as bit-vector */
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/* Bit 0: 0 (12-Bit-FAT), 1 16-Bit-FAT */
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/* Bit 1: 0 (two FATs), 1 (one FAT) */
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/* only available since TOS 2.06 */
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} BPB;
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/* a riddle: how do you typedef a function pointer to a function that returns its own type? ;) */
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typedef void* (*xhdi_call_fun)(int xhdi_fun, ...);
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extern uint32_t xhdi_call(uint16_t *stack);
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extern xhdi_call_fun xhdi_sd_install(xhdi_call_fun old_vector) __attribute__((__interrupt__));
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extern uint16_t xhdi_version(void); /* XHDI 0 */
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extern uint32_t xhdi_inquire_target(uint16_t major, uint16_t minor, uint32_t *block_size, uint32_t *flags,
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char *product_name); /* XHDI 1 */
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extern uint32_t xhdi_reserve(uint16_t major, uint16_t minor, uint16_t do_reserve, uint16_t key); /* XHDI 2 */
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extern uint32_t xhdi_lock(uint16_t major, uint16_t minor, uint16_t do_lock, uint16_t key); /* XHDI 3 */
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extern uint32_t xhdi_stop(uint16_t major, uint16_t minor, uint16_t do_stop, uint16_t key); /* XHDI 4 */
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extern uint32_t xhdi_eject(uint16_t major, uint16_t minor, uint16_t do_eject, uint16_t key); /* XHDI 5 */
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extern uint32_t xhdi_drivemap(void); /* XHDI 6 */
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extern uint32_t xhdi_inquire_device(uint16_t bios_device, uint16_t *major, uint16_t *minor,
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uint32_t *start_sector, /* BPB */ void *bpb); /* XHDI 7 */
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extern uint32_t xhdi_inquire_driver(uint16_t bios_device, char *name, char *version,
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char *company, uint16_t *ahdi_version, uint16_t *maxIPL); /* XHDI 8 */
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extern uint32_t xhdi_new_cookie(uint32_t newcookie); /* XHDI 9 */
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extern uint32_t xhdi_read_write(uint16_t major, uint16_t minor, uint16_t rwflag,
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uint32_t recno, uint16_t count, void *buf); /* XHDI 10 */
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extern uint32_t xhdi_inquire_target2(uint16_t major, uint16_t minor, uint32_t *block_size,
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uint32_t *device_flags, char *product_name, uint16_t stringlen); /* XHDI 11 */
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extern uint32_t xhdi_inquire_device2(uint16_t bios_device, uint16_t *major, uint16_t *minor,
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uint32_t *start_sector, BPB *bpb, uint32_t *blocks, char *partid); /* XHDI 12 */
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extern uint32_t xhdi_driver_special(uint32_t key1, uint32_t key2, uint16_t subopcode, void *data); /* XHDI 13 */
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extern uint32_t xhdi_get_capacity(uint16_t major, uint16_t minor, uint32_t *blocks, uint32_t *bs); /* XHDI 14 */
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extern uint32_t xhdi_medium_changed(uint16_t major, uint16_t minor); /* XHDI 15 */
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extern uint32_t xhdi_mint_info(uint16_t opcode, void *data); /* XHDI 16 */
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extern uint32_t xhdi_dos_limits(uint16_t which, uint32_t limit); /* XHDI 17 */
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extern uint32_t xhdi_last_access(uint16_t major, uint16_t minor, uint32_t *ms); /* XHDI 18 */
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extern uint32_t xhdi_reaccess(uint16_t major, uint16_t minor); /* XHDI 19 */
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#endif /* _XHDI_SD_H_ */
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