1 files changed, 178 insertions, 0 deletions

diff --git a/private/mvdm/inc/dossvc.h b/private/mvdm/inc/dossvc.h
new file mode 100644
index 000000000..b4ec39303
--- /dev/null
+++ b/private/mvdm/inc/dossvc.h
@@ -0,0 +1,178 @@
+/** SVC Defines
+ *
+ *  Revision history:
+ *
+ *  sudeepb 27-Feb-1991 Created
+ */
+
+/* VHE - Virtual Hard Error packet.
+ *
+ *   DEM makes fbInt24 to true if an hard error happens.
+ */
+
+typedef struct vhe_s {
+    char  vhe_fbInt24;      // Was there a hard error?
+    char  vhe_HrdErrCode;   // If hard error then this is the error code
+    char  vhe_bDriveNum;    // If so on which drive
+} VHE;
+
+typedef VHE *PVHE;
+
+/* DEMEXTERR - Extended Error structure. The following structure contains the
+ * DOS extended error elements which are loosely coupled in the DOS data
+ * segment
+ *
+ */
+
+/* XLATOFF */
+#include <packon.h>
+
+typedef struct _DEMEXTERR {
+    UCHAR   ExtendedErrorLocus;
+    USHORT  ExtendedError;
+    UCHAR   ExtendedErrorAction;
+    UCHAR   ExtendedErrorClass;
+    PUCHAR  ExtendedErrorPointer;
+} DEMEXTERR;
+
+typedef DEMEXTERR* PDEMEXTERR;
+
+
+/* SYSDEV - Device chain node
+ */
+
+typedef struct _SYSDEV {
+
+    ULONG   sdevNext;       // REAL mode pointer to next device.  -1 for end of chain.
+    char    sdevIgnore[6];
+    UCHAR   sdevDevName[8]; // device name
+
+} SYSDEV;
+
+typedef SYSDEV UNALIGNED *PSYSDEV;
+
+#ifndef _DEMINCLUDED_
+extern DECLSPEC_IMPORT PSYSDEV pDeviceChain;
+#else
+extern PSYSDEV pDeviceChain;
+#endif
+
+
+/* XLATON */
+
+/* XLATOFF */
+#include <packoff.h>
+/* XLATON */
+
+/* Note : To add a new SVC:
+ *      New SVC gets the current value of SVC_LASTSVC. Increment
+ *      the SVC_LASTSVC value. Add the appropriate SVC handler
+ *      in apfnSVC (file dem\demdisp.c) at the end.
+ *    To delete a SVC :
+ *      Move each SVC one level up. Appropriatly adjust the
+ *      apfnSVC (file dem\demdisp.c).
+ */
+
+/* SVC - Supervisory Call macro.
+ *
+ *   This macro is used by NTDOS and NTBIO to call DEM.
+ *
+ */
+
+#define NTVDMDBG 1
+
+/* ASM
+include bop.inc
+
+svc macro   func
+    BOP BOP_DOS
+    db  func
+    endm
+*/
+#define SVC_DEMCHGFILEPTR               0x00
+#define SVC_DEMCHMOD            0x01
+#define SVC_DEMCLOSE            0x02
+#define SVC_DEMCREATE           0x03
+#define SVC_DEMCREATEDIR        0x04
+#define SVC_DEMDELETE           0x05
+#define SVC_DEMDELETEDIR        0x06
+#define SVC_DEMDELETEFCB        0x07
+#define SVC_DEMFILETIMES        0x08
+#define SVC_DEMFINDFIRST        0x09
+#define SVC_DEMFINDFIRSTFCB     0x0a
+#define SVC_DEMFINDNEXT         0x0b
+#define SVC_DEMFINDNEXTFCB      0x0c
+#define SVC_DEMGETBOOTDRIVE     0x0d
+#define SVC_DEMGETDRIVEFREESPACE    0x0e
+#define SVC_DEMGETDRIVES        0x0f
+#define SVC_DEMGSETMEDIAID      0x10
+#define SVC_DEMLOADDOS          0x11
+#define SVC_DEMOPEN         0x12
+#define SVC_DEMQUERYCURRENTDIR      0x13
+#define SVC_DEMQUERYDATE        0x14
+#define SVC_DEMQUERYTIME        0x15
+#define SVC_DEMREAD         0x16
+#define SVC_DEMRENAME           0x17
+#define SVC_DEMSETCURRENTDIR        0x18
+#define SVC_DEMSETDATE          0x19
+#define SVC_DEMSETDEFAULTDRIVE      0x1a
+#define SVC_DEMSETDTALOCATION       0x1b
+#define SVC_DEMSETTIME          0x1c
+#define SVC_DEMSETV86KERNELADDR     0x1d
+#define SVC_DEMWRITE            0x1e
+#define SVC_GETDRIVEINFO        0x1f
+#define SVC_DEMRENAMEFCB        0x20
+#define SVC_DEMIOCTL            0x21
+#define SVC_DEMCREATENEW        0x22
+#define SVC_DEMDISKRESET        0x23
+#define SVC_DEMSETDPB           0x24
+#define SVC_DEMGETDPB           0x25
+#define SVC_DEMSLEAZEFUNC       0x26
+#define SVC_DEMCOMMIT           0x27
+#define SVC_DEMEXTHANDLE        0x28
+#define SVC_DEMABSDRD           0x29
+#define SVC_DEMABSDWRT          0x2a
+#define SVC_DEMGSETCDPG         0x2b
+#define SVC_DEMCREATEFCB        0x2c
+#define SVC_DEMOPENFCB          0x2d
+#define SVC_DEMCLOSEFCB         0x2e
+#define SVC_DEMFCBIO            0x2f
+#define SVC_DEMDATE16           0x30
+#define SVC_DEMGETFILEINFO      0x31
+#define SVC_DEMSETHARDERRORINFO     0x32
+#define SVC_DEMRETRY            0x33
+#define SVC_DEMLOADDOSAPPSYM        0x34
+#define SVC_DEMFREEDOSAPPSYM        0x35
+#define SVC_DEMENTRYDOSAPP              0x36
+#define SVC_DEMDOSDISPCALL              0x37
+#define SVC_DEMDOSDISPRET               0x38
+#define SVC_OUTPUT_STRING               0x39
+#define SVC_INPUT_STRING        0x3A
+#define SVC_ISDEBUG         0x3B
+#define SVC_PDBTERMINATE        0x3C
+#define SVC_DEMEXITVDM          0x3D
+#define SVC_DEMWOWFILES         0x3E
+#define SVC_DEMLOCKOPER         0x3F
+#define SVC_DEMDRIVEFROMHANDLE  0x40
+#define SVC_DEMGETCOMPUTERNAME  0x41
+#define SVC_DEMFASTREAD         0x42
+#define SVC_DEMFASTWRITE        0x43
+#define SVC_DEMCHECKPATH	0x44
+#define SVC_DEMSYSTEMSYMBOLOP   0x45
+#define SVC_DEMGETDPBLIST       0x46
+
+#define SVC_DEMPIPEFILEDATAEOF	0x47
+#define SVC_DEMPIPEFILEEOF	0x48
+#define SVC_DEMLASTSVC		0x49
+
+
+/*
+ *   Equates used in the DEMxxxSYSTEMxxx calls
+ */
+#define SYMOP_LOAD 1
+#define SYMOP_FREE 2
+#define SYMOP_MOVE 3
+#define SYMOP_CLEANUP 0x80
+
+#define ID_NTIO 1
+#define ID_NTDOS 2