v4.0/src/MEMM/MEMM/VM386.INC

   1
   2
   3 ;******************************************************************************
   4 ;
   5 ;   (C) Copyright MICROSOFT Corp. 1986
   6 ;
   7 ;   Title:    MEMM - MICROSOFT Expanded Memory Manager 386
   8 ;
   9 ;   Module:   VM386.INC
  10 ;
  11 ;   Version:  0.03
  12 ;
  13 ;   Date:     May 12, 1986
  14 ;
  15 ;   Author:
  16 ;
  17 ;******************************************************************************
  18 ;
  19 ;   Change log:
  20 ;
  21 ;     DATE    REVISION                  DESCRIPTION
  22 ;   --------  --------  -------------------------------------------------------
  23 ;             Original
  24 ;   05/12/86  A         Cleanup and segment reorganization
  25 ;   06/08/86  B         Added Disable A20 equates
  26 ;   06/14/86  C         Added MOV_CDTR_FRAME, PROT_INS_FRAME, and changed
  27 ;                       VTFO from 2 to 4 to reflect push of EBP from BP
  28 ;   06/15/86  D         Added GPFAULT_FRAME
  29 ;   06/28/86  0.02      Name change from MEMM386 to MEMM
  30 ;   07/01/86  0.03      Added structures for accessing memory
  31 ;
  32 ;******************************************************************************
  33 ifndef INC_LIST
  34 .xlist
  35 endif
  36
  37 ;
  38 ;   Structures for accessing memory
  39 ;
  40 WordS   struc
  41         LowByte         db      ?
  42         HighByte        db      ?
  43 WordS   ends
  44
  45 DwordS  struc
  46         LowWord         dw      ?
  47         HighWord        dw      ?
  48 DwordS  ends
  49
  50 ;
  51 ;   Structure for accessing stack frame pushed during trap exit from VM
  52 ;
  53
  54 VM_TRAP_FRAME   struc
  55 VMTF_EIP        dw      ?               ; EIP (low)
  56                 dw      ?               ; EIP (high)
  57 VMTF_CS         dw      ?               ; CS
  58                 dw      ?               ;   (padding)
  59 VMTF_EFLAGS     dw      ?               ; EFLAGS (low)
  60 VMTF_EFLAGShi   dw      ?               ; EFLAGS (high)
  61 VMTF_ESP        dw      ?               ; ESP (low)
  62                 dw      ?               ; ESP (high)
  63 VMTF_SS         dw      ?               ; SS
  64                 dw      ?               ;   (padding)
  65 VMTF_ES         dw      ?               ; ES
  66                 dw      ?               ;   (padding)
  67 VMTF_DS         dw      ?               ; DS
  68                 dw      ?               ;   (padding)
  69 VMTF_FS         dw      ?               ; FS
  70                 dw      ?               ;   (padding)
  71 VMTF_GS         dw      ?               ; GS
  72                 dw      ?               ;   (padding)
  73 VM_TRAP_FRAME   ends
  74 ;
  75                                         ; Used in EmMovCDTR (vminst.asm)
  76 MOV_CDTR_FRAME   struc
  77 MCF_WBP         dw      ?               ; Work BP
  78 MCF_WES         dw      ?               ; Work ES
  79 MCF_EAX         dw      ?               ; EAXlo
  80                 dw      ?               ; EAXhi
  81 MCF_ESI         dw      ?               ; ESIlo
  82                 dw      ?               ; ESIhi
  83 MCF_EBX         dw      ?               ; EBXlo
  84                 dw      ?               ; EBXhi
  85 MCF_EBP         dw      ?               ; EBPlo
  86                 dw      ?               ; EBPhi
  87 MCF_VMERR       dw      ?               ; VM Error Code (low)
  88                 dw      ?               ; VM Error Code (high)
  89 MCF_VMEIP       dw      ?               ; VM EIP (low)
  90                 dw      ?               ; VM EIP (high)
  91 MCF_VMCS        dw      ?               ; VM CS
  92                 dw      ?               ;   (padding)
  93 MCF_VMEFLAGS    dw      ?               ; VM EFLAGS (low)
  94 MCF_VMEFLAGShi  dw      ?               ; VM EFLAGS (high)
  95 MCF_VMESP       dw      ?               ; VM ESP (low)
  96                 dw      ?               ; VM ESP (high)
  97 MCF_VMSS        dw      ?               ; VM SS
  98                 dw      ?               ;   (padding)
  99 MCF_VMES        dw      ?               ; VM ES
 100                 dw      ?               ;   (padding)
 101 MCF_VMDS        dw      ?               ; VM DS
 102                 dw      ?               ;   (padding)
 103 MCF_VMFS        dw      ?               ; VM FS
 104                 dw      ?               ;   (padding)
 105 MCF_VMGS        dw      ?               ; VM GS
 106                 dw      ?               ;   (padding)
 107 MOV_CDTR_FRAME   ends
 108 ;
 109                                         ; Used in EmProtIns (vminst.asm)
 110 PROT_INS_FRAME   struc
 111 PIF_WBP         dw      ?               ; Work BP
 112 PIF_WES         dw      ?               ; Work ES
 113 PIF_AX          dw      ?               ; EAXlo
 114 PIF_DX          dw      ?               ; EDXlo
 115 PIF_ESI         dw      ?               ; ESIlo
 116                 dw      ?               ; ESIhi
 117 PIF_EBX         dw      ?               ; EBXlo
 118                 dw      ?               ; EBXhi
 119 PIF_EBP         dw      ?               ; EBPlo
 120                 dw      ?               ; EBPhi
 121 PIF_VMERR       dw      ?               ; VM Error Code (low)
 122                 dw      ?               ; VM Error Code (high)
 123 PIF_VMEIP       dw      ?               ; VM EIP (low)
 124                 dw      ?               ; VM EIP (high)
 125 PIF_VMCS        dw      ?               ; VM CS
 126                 dw      ?               ;   (padding)
 127 PIF_VMEFLAGS    dw      ?               ; VM EFLAGS (low)
 128 PIF_VMEFLAGShi  dw      ?               ; VM EFLAGS (high)
 129 PIF_VMESP       dw      ?               ; VM ESP (low)
 130                 dw      ?               ; VM ESP (high)
 131 PIF_VMSS        dw      ?               ; VM SS
 132                 dw      ?               ;   (padding)
 133 PIF_VMES        dw      ?               ; VM ES
 134                 dw      ?               ;   (padding)
 135 PIF_VMDS        dw      ?               ; VM DS
 136                 dw      ?               ;   (padding)
 137 PIF_VMFS        dw      ?               ; VM FS
 138                 dw      ?               ;   (padding)
 139 PIF_VMGS        dw      ?               ; VM GS
 140                 dw      ?               ;   (padding)
 141 PROT_INS_FRAME   ends
 142 ;
 143 GPFAULT_FRAME   struc
 144 GPF_ESI         dw      ?               ; ESIlo
 145                 dw      ?               ; ESIhi
 146 GPF_EBX         dw      ?               ; EBXlo
 147                 dw      ?               ; EBXhi
 148 GPF_EBP         dw      ?               ; EBPlo
 149                 dw      ?               ; EBPhi
 150 GPFAULT_FRAME   ends
 151 ;
 152 ;   The following constants define the offset of the Virtual Mode trap stack
 153 ;   frame (from current SP assuming BP has been pushed) for the two cases:
 154 ;   1) exceptions that don't push error codes and 2) those that do.
 155 ;
 156 VTFO            equ     4               ; offset of VM trap stack frame
 157 VTFOE           equ     VTFO + 4        ; as above, but including error code
 158 ;
 159 ;   These constants are used to sanity-check the value of SP when one of
 160 ;   the exception handlers has been entered:
 161 ;
 162 STACK   segment
 163         extrn   kstack_top:byte
 164 STACK   ends
 165
 166   ; Trap/no error
 167 VMT_STACK       equ     offset STACK:kstack_top - size VM_TRAP_FRAME - VTFO
 168   ; Trap w/error
 169 VMTERR_STACK    equ     offset STACK:kstack_top - size VM_TRAP_FRAME - VTFOE
 170
 171 ;******************************************************************************
 172 ;                           E R R O R    C O D E S
 173 ;******************************************************************************
 174 ;
 175 PrivErr         equ     0000h       ; Privileged Operation Error class
 176 ErrLGDT         equ     0000h       ; Client tried to execute a LGDT
 177 ErrLIDT         equ     0001h       ; Client tried to execute a LIDT
 178 ErrLMSW         equ     0002h       ; Client tried to execute a LMSW
 179 Err2LL          equ     0003h       ; Client tried to execute a 286 Loadall
 180 Err3LL          equ     0004h       ; Client tried to execute a 386 Loadall
 181 ErrMovCR        equ     0005h       ; Client tried to execute a CRn mov
 182 ErrMovDR        equ     0006h       ; Client tried to execute a DRn mov
 183 ErrMovTR        equ     0007h       ; Client tried to execute a TRn mov
 184
 185 ExcpErr         equ     0001h       ; Exception Error class
 186 ErrDIV          equ     0000h       ; Divide Error
 187 ErrINT1         equ     0001h       ; Debug Exception
 188 ErrNMI          equ     0002h       ; NMI
 189 ErrINT3         equ     0003h       ; Int 3
 190 ErrINTO         equ     0004h       ; Int O error
 191 ErrBounds       equ     0005h       ; Array Bounds Check
 192 ErrOpCode       equ     0006h       ; Invalid Opcode
 193 ErrCoPNA        equ     0007h       ; Coprocessor Device not available
 194 ErrDouble       equ     0008h       ; Double Fault
 195 ErrCoPseg       equ     0009h       ; Coprocessor Segment Overrun
 196 ErrTSS          equ     000Ah       ; Invalid TSS
 197 ErrSegNP        equ     000Bh       ; Segment not Present
 198 ErrStack        equ     000Ch       ; Stack Fault
 199 ErrGP           equ     000Dh       ; General Protection Fault
 200 ErrPage         equ     000Eh       ; Page Fault
 201 ErrCoPerr       equ     0010h       ; Coprocessor Error
 202 ErrWrite        equ     0020h       ; Attempt to write to protected area
 203 ErrDMA          equ     0021h       ; Attempt to DMA into page frame (not for user)
 204 ErrINTProt      equ     0022h       ; General Protected interrupt error
 205
 206 .list   ; end of VM386.INC