Changeset 6841 for branches/splittup/src/win32k/dev16/d16init.c

Timestamp:

Sep 27, 2001, 5:08:35 AM (24 years ago)

Author:

bird

Message:

Win32k/kKrnlLib splittup: done the major stuff.

File:

• branches/splittup/src/win32k/dev16/d16init.c (modified) (7 diffs)

branches/splittup/src/win32k/dev16/d16init.c

@@ -1 @@
-/* $Id: d16init.c,v 1.12 2001-07-31 21:36:37 bird Exp $
+/* $Id: d16init.c,v 1.12.2.1 2001-09-27 03:08:10 bird Exp $
  *
  * d16init - init routines for both drivers.
@@ -6 +6 @@
  *            completed. CodeEnd and DataEnd should not be set here.?
  *
- * Copyright (c) 1999-2000 knut st. osmundsen (knut.stange.osmundsen@mynd.no)
+ * Copyright (c) 1999-2001 knut st. osmundsen (kosmunds@csc.com)
  *
  * Project Odin Software License can be found in LICENSE.TXT
@@ -37 +37 @@
 
 #include "devSegDf.h"
-#undef  DATA16_INIT
+/*#undef  DATA16_INIT
 #define DATA16_INIT
 #undef  CODE16_INIT
-#define CODE16_INIT
-#include "probkrnl.h"
+#define CODE16_INIT*/
 #include "dev1632.h"
 #include "dev16.h"
 #include "vprntf16.h"
-#include "log.h"
 #include "options.h"
-#include "errors.h"
 
-
-/**
- * init function - device 0.
- * Does nothing else than setting the device_help variable and
- * fill the request packet.
- * @returns   Status word.
- * @param     pRpIn   Pointer to input request packet.  Actually the same memory as pRpOut but another struct.
- * @param     pRpOut  Pointer to output request packet. Actually the same memory as pRpIn  but another struct.
- * @remark    pRpIn and pRpOut points to the same memory.
- */
-USHORT NEAR dev0Init(PRPINITIN pRpIn, PRPINITOUT pRpOut)
-{
-    APIRET  rc;
-    Device_Help = pRpIn->DevHlpEP;
-
-    /*
-     * Does this work at Ring-3 (inittime)?
-     * If this work we could be saved from throuble!
-     */
-    rc = initGetDosTableData();
-    if (rc != NO_ERROR)
-        printf16("win32k - elf$: initGetDosTableData failed with rc=%d\n", rc);
-
-    pRpOut->BPBArray = NULL;
-    pRpOut->CodeEnd = (USHORT)&CODE16_INITSTART;
-    pRpOut->DataEnd = (USHORT)&DATA16_INITSTART;
-    pRpOut->Unit     = 0;
-    pRpOut->rph.Status = STATUS_DONE;
-    return STATUS_DONE;
-}
+#include "kKLInitHlp.h"
 
 
@@ -90 +58 @@
  * @remark    pRpIn and pRpOut points to the same memory.
  */
-USHORT NEAR dev1Init(PRPINITIN pRpIn, PRPINITOUT pRpOut)
+USHORT NEAR devInit(PRPINITIN pRpIn, PRPINITOUT pRpOut)
 {
-    APIRET          rc;
-    D16R0INITPARAM  param;
-    D16R0INITDATA   data = {0};
-    HFILE           hDev0 = 0;
+    ULONG           rc;
+    KKLR0INITPARAM  param;
+    KKLR0INITDATA   data = {0UL};
+    HFILE           hKrnlLib = 0;
     USHORT          usAction = 0;
     NPSZ            npszErrMsg = NULL;
-    const char *    npszErrMsg2 = NULL;
 
     /*
-     * Probe kernel data.
+     * Open and send a Ring-0 init packet to kKrnlHlp.
+     * If this succeeds win32k$ init succeeds.
      */
-    rc = ProbeKernel(pRpIn);
+    rc = DosOpen(KKL_DEVICE_NAME, &hKrnlLib, &usAction, 0UL, FILE_NORMAL,
+                 OPEN_ACTION_FAIL_IF_NEW | OPEN_ACTION_OPEN_IF_EXISTS,
+                 OPEN_SHARE_DENYNONE | OPEN_ACCESS_READONLY,
+                 0UL);
     if (rc == NO_ERROR)
     {
         /*
-         * Open and send a Ring-0 init packet to elf$.
-         * If this succeeds win32k$ init succeeds.
+         * Create new 32-bit init packet - Parameter pointer is thunked.
          */
-        rc = DosOpen("\\dev\\elf$", &hDev0, &usAction, 0UL, FILE_NORMAL,
-                     OPEN_ACTION_FAIL_IF_NEW | OPEN_ACTION_OPEN_IF_EXISTS,
-                     OPEN_SHARE_DENYNONE | OPEN_ACCESS_READONLY,
-                     0UL);
-        if (rc == NO_ERROR)
-        {
-            param.pRpInitIn = pRpIn;
-            rc = DosDevIOCtl(&data, &param, D16_IOCTL_RING0INIT, D16_IOCTL_CAT, hDev0);
+        RP32INIT        rp32init;
+        RP32INIT FAR *  fprp32init = &rp32init;
+
+        _fmemcpy(fprp32init, pRpIn, sizeof(RPINITIN));
+        if ((   pRpIn->InitArgs == NULL
+             || !(rc = DevHelp_VirtToLin(SELECTOROF(rp32init.InitArgs), OFFSETOF(rp32init.InitArgs), (PLIN)&rp32init.InitArgs))
+             )
+            &&  !(rc = DevHelp_VirtToLin(SELECTOROF(fprp32init), OFFSETOF(fprp32init), (PLIN)&param.ulParam))
+           )
+        {   /* call 32-bit init routine and set 32 bit rc. */
+            param.pfn = GetR0InitPtr();
+            rc = DosDevIOCtl(&data, &param, KKL_IOCTL_RING0INIT, KKL_IOCTL_CAT, hKrnlLib);
             if (rc == NO_ERROR)
             {
-                if (data.usRcInit32 == NO_ERROR)
+                if (data.ulRc == NO_ERROR)
                 {
                     if (!options.fQuiet)
@@ -129 +103 @@
                 {
                     /* set correct error message and rc */
-                    rc = data.usRcInit32;
-                    npszErrMsg = "Ring-0 initiation failed. rc=%x\n";
-                    if (rc >= ERROR_D32_FIRST && rc <= ERROR_D32_LAST)
-                        npszErrMsg2 =
-                        GetErrorMsg(
-                        data.usRcInit32
-                        + ERROR_PROB_SYM_D32_FIRST
-                        - ERROR_D32_FIRST
-                        );
+                    rc = data.ulRc;
+                    npszErrMsg = "Ring-0 initiation failed. rc=%ld\n";
                 }
             }
             else
-                npszErrMsg = "Ring-0 init: DosDevIOCtl failed. rc=%d\n";
-            DosClose(hDev0);
+                npszErrMsg = "Ring-0 init: DosDevIOCtl failed. rc=%ld\n";
         }
         else
-            npszErrMsg = "Ring-0 init: DosOpen failed. rc=%d\n";
+            npszErrMsg = "Ring-0 init: Argument thunking failed. rc=%ld\n";
+
+        DosClose(hKrnlLib);
     }
     else
-        npszErrMsg = ""; /* ProbeKrnl do its own complaining, but we need something here to indicate failure. */
+        npszErrMsg = "Ring-0 init: DosOpen failed. rc=%ld\n";
+
 
     /*
@@ -164 +133 @@
     {
         printf16(npszErrMsg, rc);
-        if (npszErrMsg2)
-            printf16("%s\n", npszErrMsg2);
         pRpOut->Status = pRpOut->rph.Status = STATUS_DONE | STERR | ERROR_I24_GEN_FAILURE;
     }
@@ -177 +144 @@
 }
 
-
-
-/**
- * R0 16-bit initiation.
- * This gets TKSSBase, thunks parameters and calls R0 32-bit initiation function.
- * @returns     Status word. We don't fail on R0Init32 but forwards the result
- *              using the usRcInit32.
- * @param       pRp     Generic IO Control request packet.
- */
-USHORT NEAR  R0Init16(PRP_GENIOCTL pRp)
-{
-    USHORT usRc = STATUS_DONE;
-    APIRET rc;
-
-    /* First we're to get the DosTable2 stuff. */
-    rc = initGetDosTableData();
-    if (rc == NO_ERROR)
-    {
-        ULONG cPages;
-        char  hLockParm[12] = {0};
-        ULONG ulLinParm;
-        char  hLockData[12] = {0};
-        ULONG ulLinData;
-
-        /*
-         * Thunk the request packet and lock userdata.
-         */
-        if (!DevHelp_VirtToLin(SELECTOROF(pRp->ParmPacket), OFFSETOF(pRp->ParmPacket), &ulLinParm)
-            &&
-            !DevHelp_VirtToLin(SELECTOROF(pRp->DataPacket), OFFSETOF(pRp->DataPacket), &ulLinData)
-            )
-        {
-            if (!(rc = DevHelp_VMLock(VMDHL_LONG | VMDHL_WRITE,
-                                ulLinParm, sizeof(D16R0INITPARAM),
-                                (LIN)~0UL, SSToDS_16(&hLockParm[0]), &cPages))
-                &&
-                !DevHelp_VMLock(VMDHL_LONG | VMDHL_WRITE,
-                                ulLinData, sizeof(D16R0INITDATA),
-                                (LIN)~0UL, SSToDS_16(&hLockData[0]), &cPages)
-                )
-            {
-                /*
-                 * -data and param is locked (do we need to lock the request packet too ?).-
-                 * Create new 32-bit init packet - Parameter pointer is thunked.
-                 */
-                RP32INIT rp32init;
-
-                _fmemcpy(&rp32init, ((PD16R0INITPARAM)pRp->ParmPacket)->pRpInitIn, sizeof(RPINITIN));
-                if (((PD16R0INITPARAM)pRp->ParmPacket)->pRpInitIn->InitArgs == NULL ||
-                    !DevHelp_VirtToLin(SELECTOROF(rp32init.InitArgs), OFFSETOF(rp32init.InitArgs), (PLIN)&rp32init.InitArgs)
-                   )
-                {   /* call 32-bit init routine and set 32 bit rc. */
-                    usRc = CallR0Init32(SSToDS_16(&rp32init));
-                    ((PD16R0INITDATA)pRp->DataPacket)->usRcInit32 = usRc;
-
-                    /* set status to done (success).  (R0Init32 RC is return as usRcInit32.)  */
-                    usRc = STATUS_DONE;
-                }
-                else
-                    usRc |= STERR | ERROR_I24_INVALID_PARAMETER;
-
-
-                /*
-                 * finished - unlock data and parm;
-                 */
-                DevHelp_VMUnLock((LIN)SSToDS_16(&hLockParm[0]));
-                DevHelp_VMUnLock((LIN)SSToDS_16(&hLockData[0]));
-            }
-            else
-                usRc |= STERR | ERROR_I24_INVALID_PARAMETER;
-        }
-        else
-            usRc |= STERR | ERROR_I24_INVALID_PARAMETER;
-    }
-    else
-        usRc |= STERR | ERROR_I24_GEN_FAILURE;
-
-    return usRc;
-}
-
-
-
-/**
- * Gets the data we need from the DosTables.
- * This data is TKSSBase16, R0FlatCS16 and R0FlatDS16.
- * @returns   Same as DevHelp_GetDosVar.
- * @status    completely implemented.
- * @author    knut st. osmundsen (knut.stange.osmundsen@mynd.no)
- * @remark    If you are not sure if TKSSBase16 is set or not, call this.
- *            After R0Init16 is called TKSSBase16 _is_ set.
- *            IMPORTANT! This function must _not_ be called after the initiation of the second device driver!!!
- *                       (Since this is init code not present after init...)
- */
-USHORT NEAR  initGetDosTableData(void)
-{
-    APIRET     rc;
-    PDOSTABLE  pDT;
-    PDOSTABLE2 pDT2;
-
-    if (TKSSBase16 != 0)
-        return NO_ERROR;
-    /*
-    _asm {
-        int 3;
-    }
-    */
-
-    /* First we're to get the DosTable2 stuff. */
-    rc = DevHelp_GetDOSVar(9, 0, &pDT);
-    if (rc == NO_ERROR)
-    {
-        pDT2 = (PDOSTABLE2)((char FAR *)pDT + pDT->cul*4 + 1);
-        TKSSBase16 = (ULONG)pDT2->pTKSSBase;
-        R0FlatCS16 = (USHORT)pDT2->R0FlatCS;
-        R0FlatDS16 = (USHORT)pDT2->R0FlatDS;
-    }
-    return rc;
-}
-