Piper's Pit BBS/FTP: ibm 0010

home *** CD-ROM | disk | FTP | other *** search

/ Piper's Pit BBS/FTP: ibm 0010 - 0019 / ibm0010-0019 / ibm0010.tar / ibm0010 / CDOSDSK4.ZIP / CDOSDSK4.TD0 / XIOS / CDOS.EQU < prev next >

Wrap

Text File | 1989-01-26 | 18.1 KB | 551 lines

; CDOS.EQU TRUE equ 0ffffh FALSE equ 0 ; machine id's for various IBM PC compatibles IS_PC equ 0 ; plain vanilla IS_AT equ 1 ; real time clock, hi density drives IS_COMPAQ equ 2 ; no sync with color video controler req'd IS_M24 equ 3 ; real time clock IS_AMSTRAD equ 4 ; Real Time Clock, No Sync Required, Mouse ; and Extra Keys supported ;************************************************ ;* * ;* CDOS-86 5.1 SYSTEM DATA AREA FORMAT * ;* * ;************************************************ supmod$ equ dword ptr .00h pcmode$ equ dword ptr .14h tick_addr$ equ dword ptr .20h dispatch_addr$ equ dword ptr .24h dispatcher$ equ dword ptr .38h mpmseg$ equ word ptr .40h rspseg$ equ word ptr .42h endseg$ equ word ptr .44h n_flags$ equ byte ptr .4Ah ;total number of system flags sys_disk$ equ byte ptr .4Bh ;system disk number patched at init nvcons$ equ byte ptr .47h ;number of virtual consoles mmp$ equ word ptr .4Ch ;maximum memory per process temp_disk$ equ byte ptr .50h ;temporary disk number patched at init mdul$ equ word ptr .58h ;root of unused memory descriptors mfl$ equ word ptr .5Ah ;root of memory free list qmau$ equ word ptr .60h ;queue memory allocation unit rlr$ equ word ptr .68h thrdrt$ equ word ptr .72h qlr$ equ word ptr .74h version$ equ word ptr .78h vernum$ equ word ptr .7Ah mpmvernum$ equ word ptr .7Ch tod_day$ equ word ptr .7Eh ; binary days since january 1 1978 tod_hour$ equ byte ptr .80h ; bcd tod_min$ equ byte ptr .81h ; bcd tod_sec$ equ byte ptr .82h ; bcd ncondev$ equ byte ptr .83h ; # of virtual consoles open_vec$ equ word ptr .88h ; 16 bit vector of drives with open ; files - used by status line routine owner_8087$ equ word ptr .8Ch ; process descriptor of 8087 owner mwdr$ equ word ptr .98h ; memory window descriptor root (paging) bcb_root$ equ word ptr .9Ah ; buffer control block root (6.0) dsrchdisk$ equ byte ptr .9Dh ; Default Disk Drive npcons$ equ byte ptr .9Fh ; number of physical consoles ndp_int_off$ equ word ptr .0A0h ; offset of 8087 interrupt vector ndp_int_seg$ equ word ptr .0A2h ; segment of same ndp_vec_off$ equ word ptr .0A4h ; offset of 8087 interrupt entry ndp_vec_seg$ equ word ptr .0A6h ; segment of same phase1_root$ equ word ptr .0AEh ; 1st phase equivalent to rspseg hashroot$ equ word ptr .0B0h ; dos hashing structures root indma$ equ word ptr .0B2h ; process is dma-ing tod_ticks$ equ byte ptr .0B5h ; tick counter sysdat_mem$ equ word ptr .0B6h ; sysdat memory allocation v386_ptr$ equ word ptr .0C8h ; pointer to V386 specific table tick_cnt$ equ word ptr .0D0h ; # of ticks since reset disp_vector$ equ dword ptr .0D4h ; dispatcher intercept vector nbuffers$ equ word ptr .0D8h ; # of disk buffers sec_size$ equ word ptr .0DAh ; sector size xios_mfl equ word ptr .0E2h ; high memory free list eject ;******************************************************** ;* * ;* CDOS 5.2/6.0 SYSTEM CALL EQUATES * ;* * ;******************************************************** S_REAL equ 0ffh ; system call to reset 386 ; back into real mode. ; V386 XIOS use only. ; device control functions: DEV_POLL equ 131 ; poll device DEV_FLAGWAIT equ 132 ; flag wait DEV_FLAGSET equ 133 ; flag set FLAG_SET_IGNORED equ 2Ah ; only error to cause retry DEV_FLAGALLOC equ 87 ; allocate flag DEV_FLAGFREE equ 88 ; de-allocate flag ; process control functions: P_DELAY equ 141 ; delay specified number of ticks P_DISPATCH equ 142 ; let other another process run P_PRIORITY equ 145 ; set priority P_PDADR equ 156 ; dbl word ptr of process descriptor P_TERM equ 143 ; terminate process Q_MAKE equ 86h Q_OPEN equ 87h Q_READ equ 89h Q_WRITE equ 8Bh ; Time function: T_SECONDS equ 155 ; get date,hours,minutes,seconds ;******************************************************** ;* * ;* FLAG NUMBERS RESERVED FOR KERNEL * ;* * ;******************************************************** ; 0 - is reserved TICK_FLAG equ 1 ; tick flag number SEC_FLAG equ 2 ; seconds flag number MIN_FLAG equ 3 ; minutes flag number ;******************************************************** ;* * ;* SYSTEM EQUATES FOR PRNT_SCRN FUNCTION * ;* * ;******************************************************** LCB_SIZE equ 10 ; bytes per lcb LCB_ATTACH equ word ptr 0 ; list owner LCB_QUEUE equ word ptr 2 ; next in line PRSC_PD equ 1234h ; phony process desc UNAVAILABLE equ 0FFFEh ; phony PD used to mark LCB for TMP F_WAKEUP equ 213h ; internal system call eject ;******************************************************** ;* * ;* DISK STRUCTURES * ;* * ;******************************************************** ; Some equates used by floppy and hard disk hash allocation: DPH_SIZE equ 20 ; size of DPH PC_HD_DPH_SIZE equ 24h ; size of DPH + partition save area DPH_MF equ byte ptr 5 DPH_DPB equ word ptr 8 DPH_CSV equ word ptr 10 DPH_ALV equ word ptr 12 DPH_DIRBCB equ word ptr 14 DPH_DATBCB equ word ptr 16 DPH_HSTBL equ word ptr 18 DPH_OWNER equ word ptr 16 ; 6.0: owner of drive lock DPB_DSM equ word ptr 5 DPB_DRM equ word ptr 7 PERM equ 8000h ; "permanent media" ;******************************************************** ;* * ;* UDA (USER DATA AREA) * ;* * ;******************************************************** U_USIZE equ word ptr .0000h ; UDA stack top U_STACK_SP equ word ptr .0034h ; usr stack segment U_STACK_SS equ word ptr .0036h ; usr stack pointer U_INSYS equ byte ptr .0060h ; # times through user_entry UDA_ERR_MODE equ byte ptr .10h ERR_MODE_CODE equ 0FEh ;or FFh for quick return eject ;******************************************************** ;* * ;* PROCESS DESCRIPTOR * ;* * ;******************************************************** ; The Process Descriptor (PD) along with the ; associated User Data Area (UDA), describe ; the current state of a Process under CCP/M-86. ; The process descriptor is always within the System ; Data Segment. ; Process Descriptor: ; +-----+-----+-----+-----+-----+-----+-----+-----+ ; 00| link | thread |stat |prior| flag | ; +-----+-----+-----+-----+-----+-----+-----+-----+ ; 08| name | ; +-----+-----+-----+-----+-----+-----+-----+-----+ ; 10| uda |disk | user| ldsk|luser| mem | ; +-----+-----+-----+-----+-----+-----+-----+-----+ ; 18| cmod|tkcnt| wait | org | net | parent | ; +-----+-----+-----+-----+-----+-----+-----+-----+ ; 20|cons | aux | conmode |list |brst | sflag | ; +-----+-----+-----+-----+-----+-----+-----+-----+ ; 28| userdisp | pret | cat | ; +-----+-----+-----+-----+-----+-----+-----+-----+ ; 30| redir_in | redir_out | mpar | res | ; +-----------+-----------+-----------+-----------+ ; 38| res | res | res | res | ; +-----------+-----------+-----------+-----------+ ; link - used for placement into System Lists ; thread - link field for Thread List ; stat - current process activity ; prior - priority ; flag - process state flags ; name - name of process ; uda - segment address of user data area ; disk - current default disk ; user - current default user number ; ldsk - disk program loaded from ; luser - user number loaded from ; mem - pointer to MD list of memory owned ; by this process ; cmod - compatibility mode bits ; tkcnt - temp keep count ; wait - parameter field while on system lists ; org - network node originating this process ; net - ntework node running this process ; parent - process that created this process ; cons - default console device (doesn't imply ownership) ; aux - default aux device (ditto) ; conmode - console mode (BDOS C_MODE f. 109) ; list - default list device (doesn't imply ownership) ; brst - number of ticks left in burst count ; sflag - more state flags ; userdisp - user dispatch swap ; pret - return code at termination ; cat - current allocation table ; redir_in - input redirection table segment ; redir_out - output redirection table segment P_LINK equ word ptr 0 P_THREAD equ word ptr P_LINK + word P_STAT equ byte ptr P_THREAD + word P_PRIOR equ byte ptr P_STAT + byte P_FLAG equ word ptr P_PRIOR + byte P_NAME equ byte ptr P_FLAG + word P_UDA equ word ptr P_NAME + 8 P_DISK equ byte ptr P_UDA + word P_USER equ byte ptr P_DISK + byte P_LDSK equ byte ptr P_USER + byte P_LUSER equ byte ptr P_LDSK + byte P_MEM equ word ptr P_LUSER + byte P_CMOD equ byte ptr P_MEM + word P_TKCNT equ byte ptr P_CMOD + byte P_WAIT equ word ptr P_TKCNT + byte P_ORG equ byte ptr P_WAIT + word P_NET equ byte ptr P_ORG + byte P_PARENT equ word ptr P_NET + byte P_CONS equ byte ptr P_PARENT + word P_AUX equ byte ptr P_CONS + byte P_CONMODE equ word ptr P_AUX + byte P_LIST equ byte ptr P_CONMODE + word P_BRST equ byte ptr P_LIST + byte P_SFLAG equ word ptr P_BRST + byte P_USERDISP equ dword ptr P_SFLAG + word P_PRET equ word ptr P_USERDISP + dword P_CAT equ word ptr P_PRET + word P_REDIR_IN equ word ptr P_CAT + word P_REDIR_OUT equ word ptr P_REDIR_IN + word P_MPAR equ word ptr P_REDIR_OUT + word PD_LEN equ 40H ; Values of Process descriptor p_status field: PS_RUN equ 0 ;in ready list root PS_POLL equ 1 ;in poll list PS_DELAY equ 2 ;in delay list PS_SWAP equ 3 ;in swap list PS_TERM equ 4 ;terminating PS_SLEEP equ 5 ;sleep processing PS_DQ equ 6 ;in dq list PS_NQ equ 7 ;in nq list PS_FLAGWAIT equ 8 ;in flag table PS_CIOWAIT equ 9 ;waiting for character ; Bit flags in Process descriptor p_flag field: PF_SYS equ 0001h ;system process PF_KEEP equ 0002h ;do not terminate PF_KERNAL equ 0004h ;resident in kernal PF_PURE equ 0008h ;pure memory descibed PF_TABLE equ 0010h ;from pd table PF_RESOURCE equ 0020h ;waiting for resource PF_RAW equ 0040h ;raw console i/o PF_CTLC equ 0080h ;abort pending PF_ACTIVE equ 0100h ;active tty PF_TEMPKEEP equ 0200h ;don't terminate yet... PF_CTLD equ 0400h ;explicit detach occured PF_CHILDABORT equ 0800h ;child terminated abnormally PF_NOCTLS equ 1000h ;control S not allowed PF_DSKLD equ 2000h ;process was loaded from disk PSF_SUSPEND equ 0001h ; suspend if in background PSF_PCMODE equ 0800h ; PC Mode Process PSF_LIM equ 8000h ; Process Using LIM memory eject ;************************************************ ;* ;* Virtual Console Control Block Definition ;* ;* +---------+---------+---------+---------+ ;* 00 | owner | reserved | ;* +---------+---------+---------+---------+ ;* 04 | reserved | ;* +---------+---------+---------+---------+ ;* 08 | mimic | reserved| PC | VC | ;* +---------+---------+---------+---------+ ;* 0C | reserved| ATTR | state | ;* +---------+---------+---------+---------+ ;* 10 | maxbufsiz | reserved | ;* +---------+---------+---------+---------+ ;* 14 | reserved | ;* +---------+---------+---------+---------+ ;* 18 | reserved | ;* +---------+---------+---------+---------+ ;* 1C | reserved | ;* +---------+---------+---------+---------+ ;* 20 | reserved | ;* +---------+---------+---------+---------+ ;* 24 | reserved | ;* +---------+---------+---------+---------+ ;* 28 | link | reserved | ;* +---------+---------+---------+---------+ ;* ;* ;* owner - current owner of device ;* if 0, no owner ;* mimic - list dev that mimics us. ;* 0ffh means no mimic device ;* PC - physical console number ;* VC - vitual console number ;* state - current state of virtual console ;* maxbufsiz - maximum file size for buffered mode C_OWNER equ word ptr 00h C_MIMIC equ byte ptr 08h C_PC equ byte ptr 0Ah C_VC equ byte ptr 0Bh C_ATTR equ byte ptr 0Dh C_STATE equ word ptr 0Eh C_MAXBUFSIZ equ word ptr 10h C_LINK equ word ptr 28h CCBLEN equ 2ch ;CCB state flags CSM_FOREGROUND equ 00000h CSM_BUFFERED equ 00001h CSM_BACKGROUND equ 00002h CSM_PURGING equ 00004h CSM_NOSWITCH equ 00008h CSM_SUSPEND equ 00010h CSM_ABORT equ 00020h CSM_FILEFULL equ 00040h CSM_CTRLS equ 00080h CSM_CTRLO equ 00100h CSM_CTRLP equ 00200h CSM_IDLE equ 08000h eject ;***************************************************************** ; ; I/O PARAMETER BLOCK FORMAT: ; Equates for parameter passing for read and write from BDOS. ; At the disk read and write function entries, ; all disk I/O parameters are on the stack. ; The stack at these entries appears as follows: ; al ah ; +-------+-------+ ; [ +16 | GAP | FILL | Values used by io_new_format only ] ; +-------+-------+ ; +14 | DRV | MCNT | Drive and Multi sector count ; +-------+-------+ ; +12 | TRACK | Track number ; +-------+-------+ ; +10 | SECTOR | Physical sector number ; +-------+-------+ ; +8 | DMA_SEG | DMA segment ; +-------+-------+ ; +6 | DMA_OFF | DMA offset ; +-------+-------+ ; +4 | RET_SEG | BDOS return segment ; +-------+-------+ ; +2 | RET_OFF | BDOS return offset ; +-------+-------+ ; SP+0 | RET_ADR | Return address to XIOS ENTRY routine ; +-------+-------+ ; ; These parameters may be indexed and modifided ; directly on the stack by the XIOS read and write rotines ; They will be removed by the BDOS when the XIOS completes ; the read/write function and returns to the BDOS. DRIVE equ byte ptr 14[bp] MCNT equ byte ptr 15[bp] TRACK equ word ptr 12[bp] SECTOR equ word ptr 10[bp] DMA_SEG equ word ptr 8[bp] DMA_OFF equ word ptr 6[bp] GP_FL equ word ptr 16[bp] ; gap and fill used by format eject ;*********************************************************** ; Some equates in the Disk Parameter Header (DPH) ; and the Disk Parameter Block. XLT equ 0 ;translation table offset in DPH DPB equ 8 ;disk parameter block offset in DPH SPT equ 0 ;sectors per track offset in DPB PSH equ 15 ;physical shift factor offset in DPB ; PCDOS Extended Disk Parameter Block: PCDPB_EXTFLAG equ word ptr 0 PCDPB_NFAT equ word ptr 2 PCDPB_FATREC equ word ptr 4 PCDPB_NCLSTRS equ word ptr 6 PCDPB_CLSIZE equ word ptr 8 PCDPB_FATADD equ word ptr 10 PCDPB_SPT equ word ptr 12 PCDPB_BSH equ byte ptr 14 PCDPB_BLM equ byte ptr 15 PCDPB_EXM equ byte ptr 16 PCDPB_DSM equ word ptr 17 PCDPB_DIRSIZ equ word ptr 19 PCDPB_CKSIZ equ word ptr 23 PCDPB_OFF equ word ptr 25 PCDPB_PSH equ byte ptr 27 PCDPB_PRM equ byte ptr 28 PC_HD_DPB_SIZE equ 1dh ; DATA buffer control block equates: DBCB_DRV equ byte ptr 0 DBCB_SEG equ word ptr 10 DBCB_LINK equ word ptr 12 eject ; Miscellaneous: ; Memory Descriptor Format for Init memory trimming MD_LINK equ word ptr 0 MD_START equ word ptr MD_LINK + word MD_LENGTH equ word ptr MD_START + word MD_SIZE equ 10 ; Paged Memory Equates: ; Format of static Memory Window Descriptors: MWD_LINK equ word ptr 0 MWD_START equ word ptr MWD_LINK + word MWD_LENGTH equ word ptr MWD_START + word MWD_FLAGS equ word ptr MWD_LENGTH + word MWD_COUNT equ word ptr MWD_FLAGS + word MWD_LEN equ MWD_COUNT + word ; MWD_FLAGS definition: MWDF_USED equ 0001h ; Memory window unavailable ; Format of dynamic Memory Page Allocation Descriptors: MPAD_LINK equ word ptr 0 MPAD_START equ word ptr MPAD_LINK + word MPAD_LENGTH equ word ptr MPAD_START + word MPAD_FLAGS equ word ptr MPAD_LENGTH + word MPAD_XIOS equ word ptr MPAD_FLAGS + word MPAD_LEN equ MPAD_XIOS + word MPADF_NOBANK equ 0004h ; non-banking MPADs MPADF_LIM equ 0008h ; LIM MPADs MPADF_ALIGNED equ 0010h ; allocation was aligned EMM_INT equ 67h ; extended memory manager entry ;********************* CDOS 386 TABLE ******************** ;* ;* +---------+----------+ ;* SYSDAT + 0C8h | V386 TABLE POINTER | ;* +---------+----------+ ;* ;* V386 TABLE ;* ;* +---------+---------+---------+---------+ ;* 0 | IDT SEGMENT | IDT LIMIT | ;* +---------+---------+---------+---------+ ;* +4 | TSS SEGMENT | TSS LIMIT | ;* +---------+---------+---------+---------+ ;* +8 | MP TABLE | NPAGES | ;* +---------+---------+---------+---------+ ;* +12 | PTBL SEGMENT | V386 | LIM | ;* +---------+---------+---------+---------+ ;* +16 | LIM BASE | LIM MAXSIZE | ;* +---------+---------+---------+---------+ ;* +20 | EXCEP OFFSET | EXCEP SEGMENT | ;* +---------+---------+---------+---------+ ;* +24 | PAGE FAULT OFFSET | PAGE FAULT SEG | ;* +---------+---------+---------+---------+ ;* +28 | HI MFL ROOT | R/O MEMORY ROOT | ;* +---------+---------+---------+---------+ ;; V386 TABLE DEFINITIONS idt_seg equ word ptr 0[bx] ; IDT segment idt_limit equ word ptr 2[bx] ; and Limit tss_seg equ word ptr 4[bx] ; task state segment tss_limit equ word ptr 6[bx] ; and limit mp_table equ word ptr 8[bx] ; free space map seg npages equ word ptr 10[bx] ; number of 16k pages ptbl_seg equ word ptr 12[bx] ; master page table v386_flag equ byte ptr 14[bx] ; this is CDOS 386 lim_flag equ byte ptr 15[bx] ; Lim emulation enable flag lim_pfba equ word ptr 16[bx] ; LIM page frame base address lim_maxpag equ word ptr 18[bx] ; LIM max mem pages allowed excep_off equ word ptr 20[bx] ; exception handler offset excep_seg equ word ptr 22[bx] ; exception handler segment ;;;if V60 pfault_off equ word ptr 24[bx] ; page fault handler offset pfault_seg equ word ptr 26[bx] ; page fault handler segment hi_mfl_root equ word ptr 28[bx] ; high memory free list root ro_mem_root equ word ptr 30[bx] ; read only memory list root ;;;endif ; v386_flag equates VXF_PROTECT equ 01h ; system runs in protected mode VXF_ALIGN equ 40h ; aligned allocation required VXF_SYSDAT equ 80h ; SYSDAT can be moved ; END OF CDOS.EQU