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|
//
// 2001 STanda
//
// The basic file layout was taken from Julian Reschke's Cookies
//
.globl _init
.globl _sys_d_free, _sys_f_sfirst, _sys_f_snext, _sys_f_open
.globl _sys_f_close, _sys_d_atime, _sys_f_write, _sys_f_read
.globl _sys_f_attrib, _sys_f_create, _sys_f_seek, _sys_f_cntl
.globl _sys_d_create, _sys_d_delete, _sys_f_rename
.globl _sys_d_getpath, _sys_d_dsetpath
.globl _sys_d_pathconf, _sys_f_xattr, _sys_d_opendir, _sys_d_readdir
.globl _sys_d_closedir, _sys_d_xreaddir, _sys_d_rewinddir
.globl _sys_d_readlabel, _sys_d_delete
.globl _DriverName, _ShowBanner, _InitDevice
.macro PRINT value
// nf_call( nf_get_id(NF_STDERR), value);
#if 0
move.l #s_stderr,-(sp)
move.l #0,-(sp)
dc.w 0x7300
lea 8(sp),sp
move.l \value,-(sp)
move.l #s_frm,-(sp)
move.l d0,-(sp)
move.l #0,-(sp)
dc.w 0x7301
lea 16(sp),sp
#endif
.endm PRINT
#if 1
#define SREGS movem.l a0-a6/d1-d7,-(sp)
#define RREGS movem.l (sp)+,a0-a6/d1-d7
#else
#define SREGS
#define RREGS
#endif
.macro SSTCK framereg
move.l sp,temp // store the old stack to the new one (do not touch regs)
move.l #stack,sp
move.l temp,-(sp)
SREGS
move.l temp,\framereg
.endm SSTCK
.macro RSTCK
RREGS
move.l (sp),sp
.endm RSTCK
//
// Call to the MetaDOS C function implementation macro
//
.macro MDBSR framereg,label
move.w 4(\framereg),-(sp)
move.l (\framereg),-(sp)
move.l a5,-(sp)
move.l a4,-(sp)
move.l a3,-(sp)
bsr \label
lea 18(sp),sp
.endm MDBSR
.text
_init:
bsr _ShowBanner
move.l #functionTable+12,d0
move.l #_DriverName,d1
rts
initfun:
movem.l a0-a6/d1-d7,-(sp)
PRINT #1
move.l d1,-(sp) // BetaDOS's dosDevID + some weird word / MetaDOS pure crap
move.w d0,-(sp) // bosDevID 16bit
move.w #0,-(sp) // pad for gcc (long)
bsr _InitDevice
addq #8,sp
movem.l (sp)+,a0-a6/d1-d7
// d1: filename conversion
// Bit 0: 0 = force upper case
// Bit 1: 0 = fully expand
// Bit 2: 0 = critical error handler reports EWRPRO
moveq #5,d1
rts
functionTable:
dc.l 0x4d414749 // 'MAGI'
dc.l 0x434d4554 // 'CMET'
dc.l 349
dc.l initfun
dc.l -1, -1, -1, -1, -1
dc.l -1, -1, -1, -1, -1
dc.l -1, -1, -1, -1, -1
dc.l -1, -1, -1, -1, -1
dc.l -1, -1, -1, -1, -1
dc.l -1, -1, -1, -1, -1
dc.l -1, -1, -1, -1, -1
dc.l -1, -1, -1, -1, -1
dc.l -1, -1, -1, -1, -1
dc.l -1, -1, -1, -1, -1 // 49
dc.l -1, -1, -1, -1
dc.l wrap_dfree // 54
dc.l -1
dc.l -1
dc.l wrap_dcreate // 57
dc.l wrap_ddelete // 58
dc.l -1 // 59 // wrap_dsetpath
dc.l wrap_fcreate // 60
dc.l wrap_fopen // 61
dc.l wrap_fclose // 62
dc.l wrap_fread // 63
dc.l wrap_fwrite // 64
dc.l wrap_fdelete // 65
dc.l wrap_fseek // 66
dc.l wrap_fattrib // 67
dc.l -1
dc.l -1 // 69
dc.l -1
dc.l -1 // 71 // Dgetpath
dc.l -1, -1, -1 // 74
dc.l -1, -1, -1
dc.l wrap_fsfirst // 78
dc.l wrap_fsnext // 79
dc.l -1, -1, -1, -1, -1 // 84
dc.l -1
dc.l wrap_frename // 86
dc.l wrap_fdatime // 87
dc.l -1, -1 // 89
dc.l -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 // 99
dc.l -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 // 109
dc.l -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 // 119
dc.l -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 // 129
dc.l -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 // 139
dc.l -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 // 149
dc.l -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 // 159
dc.l -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 // 169
dc.l -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 // 179
dc.l -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 // 189
dc.l -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 // 199
dc.l -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 // 209
dc.l -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 // 219
dc.l -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 // 229
dc.l -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 // 239
dc.l -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 // 249
dc.l -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 // 259
dc.l -1 // 260 // wrap_fcntl
dc.l -1, -1, -1, -1 // 264
dc.l -1, -1, -1, -1, -1 // 269
dc.l -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 // 279
dc.l -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 // 289
dc.l -1, -1
dc.l wrap_dpathconf // 292
dc.l -1, -1 // 294
dc.l -1
dc.l wrap_dopendir // 296
dc.l wrap_dreaddir // 297
dc.l wrap_drewinddir // 298
dc.l wrap_dclosedir // 299
dc.l wrap_fxattr // 300
dc.l -1, -1, -1, -1 // 304
dc.l -1, -1, -1, -1, -1 // 309
dc.l -1, -1, -1, -1, -1 // 314
dc.l -1, -1, -1, -1, -1 // 319
dc.l -1, -1
dc.l wrap_dxreaddir // 322
dc.l -1, -1
dc.l -1, -1, -1, -1, -1 // 329
dc.l -1, -1, -1, -1, -1 // 334
dc.l -1, -1, -1
dc.l wrap_dreadlabel // 338
dc.l -1 // 339
dc.l -1, -1, -1, -1, -1 // 344
dc.l -1, -1, -1, -1, -1 // 349
wrap_dfree:
PRINT #54
SSTCK a0
move.w 10(a0),-(sp) // drive #
move.l 6(a0),-(sp) // diskinfo *
MDBSR a0,_sys_d_free
lea 6(sp),sp
RSTCK
rts
wrap_dcreate:
PRINT #57
SSTCK a0
move.l a4,-(sp) // name - 6(a0) or a4 MD
MDBSR a0,_sys_d_create
lea 4(sp),sp
RSTCK
rts
wrap_ddelete:
PRINT #58
SSTCK a0
move.l a4,-(sp) // name - 6(a0) or a4 MD
MDBSR a0,_sys_d_delete
lea 4(sp),sp
RSTCK
rts
wrap_dsetpath:
PRINT #59
SSTCK a0
move.l a4,-(sp) // name - 6(a0) or a4 MD
//REM MDBSR a0,_sys_d_dsetpath
lea 4(sp),sp
RSTCK
rts
wrap_fcreate:
PRINT #60
SSTCK a0
move.w 10(a0),-(sp) // attr
move.l a4,-(sp) // name - 6(a0) or a4 MD
MDBSR a0,_sys_f_create
lea 6(sp),sp
RSTCK
rts
wrap_fopen:
PRINT #61
SSTCK a0
move.w 10(a0),-(sp) // mode
move.l a4,-(sp) // name - 6(a0) or a4 MD
MDBSR a0,_sys_f_open
lea 6(sp),sp
RSTCK
cmp.l #0,d0
bmi fopen_error
move.l #0,d0 // reset the fs to 0 (MetaDOS requires this)
fopen_error:
rts
wrap_fclose:
PRINT #62
SSTCK a0
move.w 6(a0),-(sp) // handle
MDBSR a0,_sys_f_close
lea 2(sp),sp
RSTCK
rts
wrap_fread:
PRINT #63
SSTCK a0
move.l 12(a0),-(sp) // buffer
move.l 8(a0),-(sp) // count
move.w 6(a0),-(sp) // handle
MDBSR a0,_sys_f_read
lea 10(sp),sp
RSTCK
rts
wrap_fwrite:
PRINT #64
SSTCK a0
move.l 12(a0),-(sp) // buffer
move.l 8(a0),-(sp) // count
move.w 6(a0),-(sp) // handle
MDBSR a0,_sys_f_write
lea 10(sp),sp
RSTCK
rts
wrap_fdelete:
PRINT #65
SSTCK a0
move.l a4,-(sp) // name - 6(a0) or a4 MD
MDBSR a0,_sys_f_delete
lea 4(sp),sp
RSTCK
rts
wrap_fseek:
PRINT #66
SSTCK a0
move.w 12(a0),-(sp) // mode
move.w 10(a0),-(sp) // handle
move.l 6(a0),-(sp) // count
MDBSR a0,_sys_f_seek
lea 8(sp),sp
RSTCK
rts
wrap_fattrib:
PRINT #67
SSTCK a0
move.w 12(a0),-(sp) // attrib
move.w 10(a0),-(sp) // flag
move.l a4,-(sp) // name - 6(a0) or a4 MD
MDBSR a0,_sys_f_attrib
lea 8(sp),sp
RSTCK
rts
wrap_fsfirst:
PRINT #78
SSTCK a0
move.w 10(a0),-(sp) // flags
move.l a4,-(sp) // name/mask - 6(a0) or a4 MD
MDBSR a0,_sys_f_sfirst
lea 6(sp),sp
RSTCK
rts
wrap_fsnext:
PRINT #79
SSTCK a0
MDBSR a0,_sys_f_snext
RSTCK
rts
wrap_frename:
PRINT #86
SSTCK a0
move.l 12(a0),-(sp) // newname
move.l a4,-(sp) // oldname - 8(a0) or a4 MD (yes 8(a0)!!!)
move.w 6(a0),-(sp) // reserved
MDBSR a0,_sys_f_rename
lea 10(sp),sp
RSTCK
rts
wrap_fdatime:
PRINT #87
SSTCK a0
move.w 12(a0),-(sp) // flag
move.w 10(a0),-(sp) // handle
move.l 6(a0),-(sp) // timeptr MDBSR a0,_sys_f_datime
MDBSR a0,_sys_f_datime
lea 8(sp),sp
RSTCK
rts
wrap_fcntl:
PRINT #260
SSTCK a0
move.w 12(a0),-(sp) // cmd
move.l 8(a0),-(sp) // argument
move.w 6(a0),-(sp) // handle
//REM MDBSR a0,_sys_f_cntl
lea 8(sp),sp
RSTCK
rts
wrap_dpathconf:
PRINT #292
SSTCK a0
move.w 10(a0),-(sp) // mode
move.l a4,-(sp) // name - 6(a0) or a4 MD
MDBSR a0,_sys_d_pathconf
lea 6(sp),sp
RSTCK
rts
wrap_dopendir:
PRINT #296
SSTCK a0
move.w 10(a0),-(sp) // flag
move.l a4,-(sp) // name 6(a0) or a4 MD
MDBSR a0,_sys_d_opendir
lea 6(sp),sp
RSTCK
rts
wrap_dreaddir:
PRINT #297
SSTCK a0
move.l 12(a0),-(sp) // buffer
move.l 8(a0),-(sp) // dirhandle
move.w 6(a0),-(sp) // len
MDBSR a0,_sys_d_readdir
lea 10(sp),sp
RSTCK
rts
wrap_drewinddir:
PRINT #298
SSTCK a0
move.l 6(a0),-(sp) // dirhandle
MDBSR a0,_sys_d_rewind
lea 4(sp),sp
RSTCK
rts
wrap_dclosedir:
PRINT #299
SSTCK a0
move.l 6(a0),-(sp) // dirhandle
MDBSR a0,_sys_d_closedir
lea 4(sp),sp
RSTCK
rts
wrap_fxattr:
PRINT #300
SSTCK a0
move.l 12(a0),-(sp) // xattr*
move.l a4,-(sp) // name 8(a0) or a4 MD
move.w 6(a0),-(sp) // flag
MDBSR a0,_sys_f_xattr
lea 10(sp),sp
RSTCK
rts
wrap_dxreaddir:
PRINT #322
SSTCK a0
move.l 20(a0),-(sp) // xret*
move.l 16(a0),-(sp) // xattr*
move.l 12(a0),-(sp) // buffer
move.l 8(a0),-(sp) // dirhandle
move.w 6(a0),-(sp) // len
MDBSR a0,_sys_d_xreaddir
lea 18(sp),sp
RSTCK
rts
wrap_dreadlabel:
PRINT #338
SSTCK a0
move.w 14(a0),-(sp) // len
move.l 10(a0),-(sp) // buffer
move.l a4,-(sp) // pathname 6(a0) or a4 MD
MDBSR a0,_sys_d_readlabel
lea 10(sp),sp
RSTCK
rts
s_frm:
.ascii "DEV: %ld\n\0"
s_stderr:
.ascii "DEBUGPRINTF\0"
.bss
temp:
ds.l 1
ds.b 8192
stack:
|
