svn merge file:///D:/svnrepos/vcxsrv/branches/released .

1 files changed, 85 insertions, 493 deletions

diff --git a/xorg-server/hw/xfree86/common/xf86Bus.c b/xorg-server/hw/xfree86/common/xf86Bus.c
index f7ffac85e..b94d500f0 100644
--- a/xorg-server/hw/xfree86/common/xf86Bus.c
+++ b/xorg-server/hw/xfree86/common/xf86Bus.c
@@ -25,7 +25,6 @@
  * authorization from the copyright holder(s) and author(s).
  */
 
-#define REDUCER
 /*
  * This file contains the interfaces to the bus-specific code
  */
@@ -60,7 +59,10 @@ int xf86NumEntities = 0;
 static int xf86EntityPrivateCount = 0;
 BusAccPtr xf86BusAccInfo = NULL;
 
-xf86AccessRec AccessNULL = {NULL,NULL,NULL};
+static void
+noopEnableDisable(void *arg) { }
+
+xf86AccessRec AccessNULL = { noopEnableDisable, noopEnableDisable, NULL };
 
 xf86CurrentAccessRec xf86CurrentAccess = {NULL,NULL};
 
@@ -68,10 +70,6 @@ BusRec primaryBus = { BUS_NONE, {{0}}};
 
 static Bool xf86ResAccessEnter = FALSE;
 
-#ifdef REDUCER
-/* Resources that temporarily conflict with estimated resources */
-static resPtr AccReducers = NULL;
-#endif
 
 /* resource lists */
 resPtr Acc = NULL;
@@ -96,10 +94,6 @@ static Bool doFramebufferMode = FALSE;
 static StateChangeNotificationPtr StateChangeNotificationList;
 static void notifyStateChange(xf86NotifyState state);
 
-#undef MIN
-#define MIN(x,y) ((x<y)?x:y)
-
-
 /*
  * Call the bus probes relevant to the architecture.
  *
@@ -141,8 +135,6 @@ StringToBusType(const char* busID, const char **retID)
     }
     if (!xf86NameCmp(p, "pci") || !xf86NameCmp(p, "agp"))
 	ret = BUS_PCI; 
-    if (!xf86NameCmp(p, "isa"))
-	ret = BUS_ISA;
     if (!xf86NameCmp(p, "sbus"))
 	ret = BUS_SBUS;
     if (ret != BUS_NONE)
@@ -160,8 +152,6 @@ void
 xf86EntityInit(void)
 {
     int i;
-    resPtr *pprev_next;
-    resPtr res;
     xf86AccessPtr pacc;
     
     for (i = 0; i < xf86NumEntities; i++)
@@ -170,22 +160,9 @@ xf86EntityInit(void)
 		((BusAccPtr)xf86Entities[i]->access->busAcc)->set_f
 		    (xf86Entities[i]->access->busAcc);
 	    pacc = xf86Entities[i]->access->fallback;
-	    if (pacc->AccessEnable)
-		pacc->AccessEnable(pacc->arg);
+	    pacc->AccessEnable(pacc->arg);
 	    xf86Entities[i]->entityInit(i,xf86Entities[i]->private);
-	    if (pacc->AccessDisable)
-		pacc->AccessDisable(pacc->arg);
-	    /* remove init resources after init is processed */
-	    pprev_next = &Acc;
-	    res = Acc;
-	    while (res) {  
-		if (res->res_type & ResInit && (res->entityIndex == i)) {
-		    (*pprev_next) = res->next;
-		    xfree(res);
-		} else 
-		    pprev_next = &(res->next);
-		res = (*pprev_next);
-	    }
+	    pacc->AccessDisable(pacc->arg);
 	}
 }
 
@@ -213,11 +190,9 @@ EntityEnter(void)
 		((BusAccPtr)xf86Entities[i]->access->busAcc)->set_f
 		    (xf86Entities[i]->access->busAcc);
 	    pacc = xf86Entities[i]->access->fallback;
-	    if (pacc->AccessEnable)
-		pacc->AccessEnable(pacc->arg);
+	    pacc->AccessEnable(pacc->arg);
 	    xf86Entities[i]->entityEnter(i,xf86Entities[i]->private);
-	    if (pacc->AccessDisable)
-		pacc->AccessDisable(pacc->arg);
+	    pacc->AccessDisable(pacc->arg);
 	}
 }
 
@@ -233,11 +208,9 @@ EntityLeave(void)
 		((BusAccPtr)xf86Entities[i]->access->busAcc)->set_f
 		    (xf86Entities[i]->access->busAcc);
 	    pacc = xf86Entities[i]->access->fallback;
-	    if (pacc->AccessEnable)
-		pacc->AccessEnable(pacc->arg);
+	    pacc->AccessEnable(pacc->arg);
 	    xf86Entities[i]->entityLeave(i,xf86Entities[i]->private);
-	    if (pacc->AccessDisable)
-		pacc->AccessDisable(pacc->arg);
+	    pacc->AccessDisable(pacc->arg);
 	}
 }
 
@@ -251,8 +224,6 @@ xf86IsEntityPrimary(int entityIndex)
     switch (pEnt->busType) {
     case BUS_PCI:
 	return (pEnt->bus.id.pci == primaryBus.id.pci);
-    case BUS_ISA:
-	return TRUE;
     case BUS_SBUS:
 	return (pEnt->sbusBusId.fbNum == primaryBus.id.sbus.fbNum);
     default:
@@ -260,7 +231,7 @@ xf86IsEntityPrimary(int entityIndex)
     }
 }
 	
-_X_EXPORT Bool
+Bool
 xf86SetEntityFuncs(int entityIndex, EntityProc init, EntityProc enter,
 		   EntityProc leave, pointer private)
 {
@@ -358,10 +329,10 @@ xf86RemoveEntityFromScreen(ScrnInfoPtr pScrn, int entityIndex)
 	    peacc = xf86Entities[pScrn->entityList[i]]->access;
 	    (*ptr) = peacc->next;
 	    /* disable entity: call disable func */
-	    if (peacc->pAccess && peacc->pAccess->AccessDisable)
+	    if (peacc->pAccess)
 		peacc->pAccess->AccessDisable(peacc->pAccess->arg);
 	    /* also disable fallback - just in case */
-	    if (peacc->fallback && peacc->fallback->AccessDisable)
+	    if (peacc->fallback)
 		peacc->fallback->AccessDisable(peacc->fallback->arg);
 	    for (i++; i < pScrn->numEntities; i++)
 		pScrn->entityList[i-1] = pScrn->entityList[i];
@@ -391,10 +362,10 @@ xf86ClearEntityListForScreen(int scrnIndex)
 	xf86Entities[entityIndex]->inUse = FALSE;
 	/* disable resource: call the disable function */
 	peacc = xf86Entities[entityIndex]->access;
-	if (peacc->pAccess && peacc->pAccess->AccessDisable)
+	if (peacc->pAccess)
 	    peacc->pAccess->AccessDisable(peacc->pAccess->arg);
 	/* and the fallback function */
-	if (peacc->fallback && peacc->fallback->AccessDisable)
+	if (peacc->fallback)
 	    peacc->fallback->AccessDisable(peacc->fallback->arg);
 	/* shared resources are only needed when entity is active: remove */
 	xf86DeallocateResourcesForEntity(entityIndex, ResShared);
@@ -409,7 +380,7 @@ xf86ClearEntityListForScreen(int scrnIndex)
     pScrn->entityInstanceList = NULL;
 }
 
-_X_EXPORT void
+void
 xf86DeallocateResourcesForEntity(int entityIndex, unsigned long type)
 {
     resPtr *pprev_next = &Acc;
@@ -525,14 +496,14 @@ disableAccess(void)
     for (i = 0; i < xf86NumScreens; i++) {
 	peacc = xf86Screens[i]->CurrentAccess->pIoAccess;
 	while (peacc) {
-	    if (peacc->pAccess && peacc->pAccess->AccessDisable)
+	    if (peacc->pAccess)
 		peacc->pAccess->AccessDisable(peacc->pAccess->arg);
 	    peacc = peacc->next;
 	}
 	xf86Screens[i]->CurrentAccess->pIoAccess = NULL;
 	peacc = xf86Screens[i]->CurrentAccess->pMemAccess;
 	while (peacc) {
-	    if (peacc->pAccess && peacc->pAccess->AccessDisable)
+	    if (peacc->pAccess)
 		peacc->pAccess->AccessDisable(peacc->pAccess->arg);
 	    peacc = peacc->next;
 	}
@@ -541,8 +512,7 @@ disableAccess(void)
     /* then call the generic entity disable funcs */
     for (i = 0; i < xf86NumEntities; i++) {
 	pacc = xf86Entities[i]->access->fallback; 
-	if (pacc->AccessDisable)
-	    pacc->AccessDisable(pacc->arg);
+	pacc->AccessDisable(pacc->arg);
     }
 }
 
@@ -692,16 +662,16 @@ xf86EnableAccess(ScrnInfoPtr pScrn)
 	    pScrn->CurrentAccess->pMemAccess = NULL;
 	while (pceAcc) {
 	    pAcc = pceAcc->pAccess;
-	    if ( pAcc && pAcc->AccessDisable) 
-		(*pAcc->AccessDisable)(pAcc->arg);
+	    if (pAcc)
+		pAcc->AccessDisable(pAcc->arg);
 	    pceAcc = pceAcc->next;
 	}
 	if (pScrn->busAccess)
 	    ((BusAccPtr)pScrn->busAccess)->set_f(pScrn->busAccess);
 	while (peAcc) {
 	    pAcc = peAcc->pAccess;
-	    if (pAcc && pAcc->AccessEnable) 
-		(*pAcc->AccessEnable)(pAcc->arg);
+	    if (pAcc) 
+		pAcc->AccessEnable(pAcc->arg);
 	    peAcc = peAcc->next;
 	}
 	pScrn->CurrentAccess->pIoAccess = (EntityAccessPtr) pScrn->access;
@@ -713,8 +683,8 @@ xf86EnableAccess(ScrnInfoPtr pScrn)
 	    tmp = pceAcc;
 	    while (pceAcc) {
 		pAcc = pceAcc->pAccess;
-		if (pAcc && pAcc->AccessDisable)
-		    (*pAcc->AccessDisable)(pAcc->arg);
+		if (pAcc)
+		    pAcc->AccessDisable(pAcc->arg);
 		pceAcc = pceAcc->next;
 	    }
 	    pceAcc = pScrn->CurrentAccess->pMemAccess;
@@ -722,8 +692,8 @@ xf86EnableAccess(ScrnInfoPtr pScrn)
 		&& tmp !=pceAcc) {
 		while (pceAcc) {
 		    pAcc = pceAcc->pAccess;
-		    if (pAcc && pAcc->AccessDisable)
-			(*pAcc->AccessDisable)(pAcc->arg);
+		    if (pAcc)
+			pAcc->AccessDisable(pAcc->arg);
 		    pceAcc = pceAcc->next;
 		}
 	    }
@@ -734,8 +704,8 @@ xf86EnableAccess(ScrnInfoPtr pScrn)
 	    }
 	    while (pceAcc) {  /* current Mem != pAccess */
 		pAcc = pceAcc->pAccess;
-		if (pAcc && pAcc->AccessDisable) 
-		    (*pAcc->AccessDisable)(pAcc->arg);
+		if (pAcc)
+		    pAcc->AccessDisable(pAcc->arg);
 		pceAcc = pceAcc->next;
 	    }
 	}
@@ -743,8 +713,8 @@ xf86EnableAccess(ScrnInfoPtr pScrn)
 	    ((BusAccPtr)pScrn->busAccess)->set_f(pScrn->busAccess);
 	while (peAcc) {
 	    pAcc = peAcc->pAccess;
-	    if (pAcc && pAcc->AccessEnable) 
-		(*pAcc->AccessEnable)(pAcc->arg);
+	    if (pAcc) 
+		pAcc->AccessEnable(pAcc->arg);
 		peAcc = peAcc->next;
 	}
 	pScrn->CurrentAccess->pMemAccess =
@@ -760,16 +730,16 @@ xf86EnableAccess(ScrnInfoPtr pScrn)
 	    pScrn->CurrentAccess->pIoAccess = NULL;
 	while (pceAcc) {
 	    pAcc = pceAcc->pAccess;
-	    if ( pAcc && pAcc->AccessDisable) 
-		(*pAcc->AccessDisable)(pAcc->arg);
+	    if (pAcc)
+		pAcc->AccessDisable(pAcc->arg);
 	    pceAcc = pceAcc->next;
 	}
 	if (pScrn->busAccess)
 	    ((BusAccPtr)pScrn->busAccess)->set_f(pScrn->busAccess);
 	while (peAcc) {
 	    pAcc = peAcc->pAccess;
-	    if (pAcc && pAcc->AccessEnable) 
-		(*pAcc->AccessEnable)(pAcc->arg);
+	    if (pAcc)
+		pAcc->AccessEnable(pAcc->arg);
 	    peAcc = peAcc->next;
 	}
 	pScrn->CurrentAccess->pMemAccess = (EntityAccessPtr) pScrn->access;
@@ -808,13 +778,11 @@ xf86SetCurrentAccess(Bool Enable, ScrnInfoPtr pScrn)
 
     while (pceAcc) {
 	pAcc = pceAcc->pAccess;
-	if ( pAcc) {
-	    if (!Enable) {
-		if (pAcc->AccessDisable) 
-		    (*pAcc->AccessDisable)(pAcc->arg);
+	if (pAcc) {
+	    if (Enable) {
+		pAcc->AccessEnable(pAcc->arg);
 	    } else {
-		if (pAcc->AccessEnable) 
-		    (*pAcc->AccessEnable)(pAcc->arg);
+		pAcc->AccessDisable(pAcc->arg);
 	    }
 	}
 	pceAcc = pceAcc->next;
@@ -836,11 +804,6 @@ xf86SetAccessFuncs(EntityInfoPtr pEnt, xf86SetAccessFuncPtr funcs,
 
     rac = xf86Entities[pEnt->index]->rac;
 
-    if (funcs->mem == funcs->io_mem && funcs->mem && funcs->io)
-	xf86Entities[pEnt->index]->entityProp |= NO_SEPARATE_MEM_FROM_IO;
-    if (funcs->io == funcs->io_mem && funcs->mem && funcs->io)
-	xf86Entities[pEnt->index]->entityProp |= NO_SEPARATE_IO_FROM_MEM;
-    
     rac->mem_new = funcs->mem;
     rac->io_new = funcs->io;
     rac->io_mem_new = funcs->io_mem;
@@ -1011,10 +974,6 @@ needCheck(resPtr pRes, unsigned long type, int entityIndex, xf86State state)
     BusType loc = BUS_NONE;
     BusType r_loc = BUS_NONE;
 
-    /* Ignore overlapped ranges that have been nullified */
-    if ((pRes->res_type & ResOverlap) && (pRes->block_begin > pRes->block_end))
-	return FALSE;
-    
     if ((pRes->res_type & ResTypeMask) != (type & ResTypeMask))
         return FALSE;
 
@@ -1025,10 +984,6 @@ needCheck(resPtr pRes, unsigned long type, int entityIndex, xf86State state)
     if (pRes->res_type & type & ResBios)
 	return FALSE;
     
-    /*If requested, skip over estimated resources */
-    if (pRes->res_type & type & ResEstimated)
- 	return FALSE;
-      
     if (type & pRes->res_type & ResUnused)
  	return FALSE;
 
@@ -1050,33 +1005,10 @@ needCheck(resPtr pRes, unsigned long type, int entityIndex, xf86State state)
     if (pRes->entityIndex > -1)
 	r_loc = xf86Entities[pRes->entityIndex]->busType;
 
-    switch (type & ResAccMask) {
-    case ResExclusive:
-	switch (pRes->res_type & ResAccMask) {
-	case ResExclusive:
-	    break;
-	case ResShared:
-	    /* ISA buses are only locally exclusive on a PCI system */
-	    if (loc == BUS_ISA && r_loc == BUS_PCI)
-		return FALSE;
-	    break;
-	}
-	break;
-    case ResShared:
-	switch (pRes->res_type & ResAccMask) {
-	case ResExclusive:
-	    /* ISA buses are only locally exclusive on a PCI system */
-	    if (loc == BUS_PCI && r_loc == BUS_ISA) 
-		return FALSE;
-	    break;
-	case ResShared:
-	    return FALSE;
-	}
-	break;
-    case ResAny:
-	break;
-    }
-    
+    if ((type & ResAccMask) == ResShared &&
+	(pRes->res_type & ResAccMask) == ResShared)
+	return FALSE;
+
     if (pRes->entityIndex == entityIndex) return FALSE;
 
     if (pRes->entityIndex > -1 &&
@@ -1106,7 +1038,7 @@ checkConflict(resRange *rgp, resPtr pRes, int entityIndex,
 	case ResBlock:
 	    if (rgp->rEnd < rgp->rBegin) {
 		xf86Msg(X_ERROR,"end of block range 0x%lx < begin 0x%lx\n",
-			rgp->rEnd,rgp->rBegin);
+			(long)rgp->rEnd, (long)rgp->rBegin);
 		return 0;
 	    }
 	    if ((ret = checkConflictBlock(rgp, pRes))) {
@@ -1119,7 +1051,7 @@ checkConflict(resRange *rgp, resPtr pRes, int entityIndex,
 	    if ((rgp->rBase & rgp->rMask) != rgp->rBase) {
 		xf86Msg(X_ERROR,"sparse io range (base: 0x%lx  mask: 0x%lx)"
 			"doesn't satisfy (base & mask = mask)\n",
-			rgp->rBase, rgp->rMask);
+			(long)rgp->rBase, (long)rgp->rMask);
 		return 0;
 	    }
 	    if ((ret = checkConflictSparse(rgp, pRes))) {
@@ -1135,30 +1067,21 @@ checkConflict(resRange *rgp, resPtr pRes, int entityIndex,
 }
 
 /*
- * ChkConflict() -- used within xxxBus ; find conflict with any location.
- */
-memType
-ChkConflict(resRange *rgp, resPtr res, xf86State state)
-{
-    return checkConflict(rgp, res, -2, state,FALSE);
-}
-
-/*
  * xf86ChkConflict() - This function is the low level interface to
  * the resource broker that gets exported. Tests all resources ie.
  * performs test with SETUP flag.
  */
-_X_EXPORT memType
+static memType
 xf86ChkConflict(resRange *rgp, int entityIndex)
 {
-    return checkConflict(rgp, Acc, entityIndex, SETUP,FALSE);
+    return checkConflict(rgp, Acc, entityIndex, SETUP, FALSE);
 }
 
 /*
  * Resources List handling
  */
 
-_X_EXPORT resPtr
+static resPtr
 xf86JoinResLists(resPtr rlist1, resPtr rlist2)
 {
     resPtr pRes;
@@ -1175,7 +1098,7 @@ xf86JoinResLists(resPtr rlist1, resPtr rlist2)
     return rlist1;
 }
 
-_X_EXPORT resPtr
+resPtr
 xf86AddResToList(resPtr rlist, resRange *range, int entityIndex)
 {
     resPtr new;
@@ -1184,7 +1107,7 @@ xf86AddResToList(resPtr rlist, resRange *range, int entityIndex)
     case ResBlock:
 	if (range->rEnd < range->rBegin) {
 		xf86Msg(X_ERROR,"end of block range 0x%lx < begin 0x%lx\n",
-			range->rEnd,range->rBegin);
+			(long)range->rEnd, (long)range->rBegin);
 		return rlist;
 	}
 	break;
@@ -1192,7 +1115,7 @@ xf86AddResToList(resPtr rlist, resRange *range, int entityIndex)
 	if ((range->rBase & range->rMask) != range->rBase) {
 	    xf86Msg(X_ERROR,"sparse io range (base: 0x%lx  mask: 0x%lx)"
 		    "doesn't satisfy (base & mask = mask)\n",
-		    range->rBase, range->rMask);
+		    (long)range->rBase, (long)range->rMask);
 	    return rlist;
 	}
 	break;
@@ -1225,7 +1148,7 @@ xf86FreeResList(resPtr rlist)
     xfree(rlist);
 }
 
-_X_EXPORT resPtr
+static resPtr
 xf86DupResList(const resPtr rlist)
 {
     resPtr pRes, ret, prev, new;
@@ -1245,7 +1168,7 @@ xf86DupResList(const resPtr rlist)
     return ret;
 }
 
-_X_EXPORT void
+static void
 xf86PrintResList(int verb, resPtr list)
 {
     int i = 0;
@@ -1267,14 +1190,17 @@ xf86PrintResList(int verb, resPtr list)
 				   "\t[%d] %d\t%ld\t0x%08lx - 0x%08lx (0x%lx)",
 				   i, list->entityIndex,
 				   (list->res_type & ResDomain) >> 24,
-				   list->block_begin, list->block_end,
-				   list->block_end - list->block_begin + 1);
+				   (long)list->block_begin,
+				   (long)list->block_end,
+				   (long)(list->block_end -
+					  list->block_begin + 1));
 		    break;
 		case ResSparse:
 		    xf86ErrorFVerb(verb, "\t[%d] %d\t%ld\t0x%08lx - 0x%08lx ",
 				   i, list->entityIndex,
 				   (list->res_type & ResDomain) >> 24,
-				   list->sparse_base,list->sparse_mask);
+				   (long)list->sparse_base,
+				   (long)list->sparse_mask);
 		    break;
 		default:
 		    list = list->next;
@@ -1309,10 +1235,6 @@ xf86PrintResList(int verb, resPtr list)
 		    s = "[?]";
 		}
 		xf86ErrorFVerb(verb, "%s", s);
-		if (list->res_type & ResEstimated)
-		    xf86ErrorFVerb(verb, "E");
-		if (list->res_type & ResOverlap)
-		    xf86ErrorFVerb(verb, "O");
 		if (list->res_type & ResInit)
 		    xf86ErrorFVerb(verb, "t");
 		if (list->res_type & ResBios)
@@ -1366,187 +1288,10 @@ xf86ResourceBrokerInit(void)
     xf86PrintResList(3, Acc);
 }
 
-#define MEM_ALIGN (1024 * 1024)
-
-/*
- * RemoveOverlaps() -- remove overlaps between resources of the
- * same kind.
- * Beware: This function doesn't check for access attributes.
- * At resource broker initialization this is no problem as this
- * only deals with exclusive resources.
- */
-#if 0
-void
-RemoveOverlaps(resPtr target, resPtr list, Bool pow2Alignment, Bool useEstimated)
-{
-    resPtr pRes;
-    memType size, newsize, adjust;
-
-    if (!target)
-	return;
-    
-    for (pRes = list; pRes; pRes = pRes->next) {
-	if (pRes != target
-	    && ((pRes->res_type & ResTypeMask) ==
-		(target->res_type & ResTypeMask))
-	    && pRes->block_begin <= target->block_end
-	    && pRes->block_end >= target->block_begin) {
-	    /* Possibly ignore estimated resources */
-	    if (!useEstimated && (pRes->res_type & ResEstimated)) continue;
-	    /*
-	     * Target should be a larger region than pRes.  If pRes fully
-	     * contains target, don't do anything unless target can overlap.
-	     */
-	    if (pRes->block_begin <= target->block_begin &&
-		pRes->block_end >= target->block_end) {
-		if (target->res_type & ResOverlap) {
-		    /* Nullify range but keep its ResOverlap bit on */
-		    target->block_end = target->block_begin - 1;
-		    return;
-		}
-		continue;
-	    }
-	    /*
-	     * In cases where the target and pRes have the same starting
-	     * address, reduce the size of the target (given it's an estimate).
-	     */
-	    if (pRes->block_begin == target->block_begin) {
-		if (target->res_type & ResOverlap)
-		    target->block_end = target->block_begin - 1;
-		else
-		    target->block_end = pRes->block_end;
-	    }
-	    /* Otherwise, trim target to remove the overlap */
-	    else if (pRes->block_begin <= target->block_end) {
-		target->block_end = pRes->block_begin - 1;
-	    } else if (!pow2Alignment &&
-		       pRes->block_end >= target->block_begin) {
-		target->block_begin = pRes->block_end + 1;
-	    }
-	    if (pow2Alignment) {
-		/*
-		 * Align to a power of two.  This requires finding the
-		 * largest power of two that is smaller than the adjusted
-		 * size.
-		 */
-		size = target->block_end - target->block_begin + 1;
-		newsize = 1UL << (sizeof(memType) * 8 - 1);
-		while (!(newsize & size))
-		    newsize >>= 1;
-		target->block_end = target->block_begin + newsize - 1;
-	    } else if (target->block_end > MEM_ALIGN) {
-		/* Align the end to MEM_ALIGN */
-		if ((adjust = (target->block_end + 1) % MEM_ALIGN))
-		    target->block_end -= adjust;
-	    }
-	}
-    }
-}
-#else
-
-void
-RemoveOverlaps(resPtr target, resPtr list, Bool pow2Alignment, Bool useEstimated)
-{
-    resPtr pRes;
-    memType size, newsize, adjust;
-
-    if (!target)
-	return;
-    
-    if (!(target->res_type & ResEstimated)   /* Don't touch sure resources */
-	&& !(target->res_type & ResOverlap)) /* Unless they may overlap    */
-	return;
-
-    for (pRes = list; pRes; pRes = pRes->next) {
-	if (pRes == target
-	    || ((pRes->res_type & ResTypeMask) !=
-		(target->res_type & ResTypeMask))
-	    || pRes->block_begin > target->block_end
-	    || pRes->block_end < target->block_begin)
-	    continue;
-
-	if (pRes->block_begin <= target->block_begin) {
-	    /* Possibly ignore estimated resources */
-	    if (!useEstimated && (pRes->res_type & ResEstimated))
-		continue;
-	    
-	    /* Special cases */
-	    if (pRes->block_end >= target->block_end) {
-		/*
-		 * If pRes fully contains target, don't do anything
-		 * unless target can overlap.
-		 */
-		if (target->res_type & ResOverlap) {
-		    /* Nullify range but keep its ResOverlap bit on */
-		    target->block_end = target->block_begin - 1;
-		    return;
-		} else
-		    continue;
-	    } else {
-#if 0 /* Don't trim start address - we trust what we got */
-		/*
-		 * If !pow2Alignment trim start address: !pow2Alingment
-		 * is only set when estimated OS addresses are handled.
-		 * In cases where the target and pRes have the same
-		 * starting address, reduce the size of the target
-		 * (given it's an estimate).
-		 */
-		if (!pow2Alignment)
-		    target->block_begin = pRes->block_end + 1;
-		else 
-#endif
-		if (pRes->block_begin == target->block_begin)
-		    target->block_end = pRes->block_end;
-		else
-		    continue;
-	    }
-	} else {
-	    /* Trim target to remove the overlap */
-		target->block_end = pRes->block_begin - 1;
-	}
-	if (pow2Alignment) {
-	    /*
-	     * Align to a power of two.  This requires finding the
-	     * largest power of two that is smaller than the adjusted
-	     * size.
-	     */
-	    size = target->block_end - target->block_begin + 1;
-	    newsize = 1UL << (sizeof(memType) * 8 - 1);
-	    while (!(newsize & size))
-		newsize >>= 1;
-	    target->block_end = target->block_begin + newsize - 1;
-	} else if (target->block_end > MEM_ALIGN) {
-	    /* Align the end to MEM_ALIGN */
-	    if ((adjust = (target->block_end + 1) % MEM_ALIGN))
-		target->block_end -= adjust;
-	}
-    }
-}
-
-#endif
-
 /*
- * Resource registrarion
+ * Resource registration
  */
 
-static resList
-xf86GetResourcesImplicitly(int entityIndex)
-{
-    if (entityIndex >= xf86NumEntities) return NULL;
-    
-    switch (xf86Entities[entityIndex]->bus.type) {
-    case BUS_ISA:
-    case BUS_NONE:
-    case BUS_SBUS:
-	return NULL;
-    case BUS_PCI:
-	return NULL;
-    case BUS_last:
-	return NULL;
-    }
-    return NULL;
-}
-
 static void
 convertRange2Host(int entityIndex, resRange *pRange)
 {
@@ -1555,9 +1300,6 @@ convertRange2Host(int entityIndex, resRange *pRange)
 	case BUS_PCI:
 	    pciConvertRange2Host(entityIndex,pRange);
 	    break;
-	case BUS_ISA:
-	    isaConvertRange2Host(pRange);
-	    break;
 	default:
 	    break;
 	}
@@ -1577,24 +1319,19 @@ xf86ConvertListToHost(int entityIndex, resPtr list)
 
 /*
  * xf86RegisterResources() -- attempts to register listed resources.
- * If list is NULL it tries to obtain resources implicitly. Function
- * returns a resPtr listing all resources not successfully registered.
+ * Returns a resPtr listing all resources not successfully registered, by
+ * which we mean, NULL.
  */
 
 _X_EXPORT resPtr
 xf86RegisterResources(int entityIndex, resList list, unsigned long access)
 {
-    resPtr res = NULL;
     resRange range;
     resList list_f = NULL;
 
-    if (!list) {
-	list = xf86GetResourcesImplicitly(entityIndex);
-	/* these resources have to be in host address space already */
-	if (!list) return NULL;
-	list_f = list;
-    }
-    
+    if (!list)
+	return NULL;
+
     while(list->type != ResEnd) {
 	range = *list;
 
@@ -1604,15 +1341,7 @@ xf86RegisterResources(int entityIndex, resList list, unsigned long access)
 	    range.type = (range.type & ~ResAccMask) | (access & ResAccMask);
 	}
  	range.type &= ~ResEstimated;	/* Not allowed for drivers */
-#if !((defined(__alpha__) || (defined(__ia64__))) && defined(linux))
-	/* On Alpha Linux, do not check for conflicts, trust the kernel. */
-	if (checkConflict(&range, Acc, entityIndex, SETUP,TRUE)) 
-	    res = xf86AddResToList(res,&range,entityIndex);
-	else
-#endif
-	{
-	    Acc = xf86AddResToList(Acc,&range,entityIndex);
-	}
+	Acc = xf86AddResToList(Acc,&range,entityIndex);
 	list++;
     }
     if (list_f)
@@ -1621,12 +1350,8 @@ xf86RegisterResources(int entityIndex, resList list, unsigned long access)
 #ifdef DEBUG
     xf86MsgVerb(X_INFO, 3,"Resources after driver initialization\n");
     xf86PrintResList(3, Acc);
-    if (res) xf86MsgVerb(X_INFO, 3,
-			 "Failed Resources after driver initialization "
-			 "for Entity: %i\n",entityIndex);
-    xf86PrintResList(3, res);
 #endif
-    return res;
+    return NULL;
     
 }
 
@@ -1635,7 +1360,6 @@ busTypeSpecific(EntityPtr pEnt, xf86AccessPtr *acc_mem,
 		xf86AccessPtr *acc_io, xf86AccessPtr *acc_mem_io)
 {
     switch (pEnt->bus.type) {
-    case BUS_ISA:
     case BUS_SBUS:
 	*acc_mem = *acc_io = *acc_mem_io = &AccessNULL;
 	break;
@@ -1733,7 +1457,7 @@ setAccess(EntityPtr pEnt, xf86State state)
 	if (pEnt->rac->old) {
 	    /* give it to the driver, leave state disabled */
 	    pEnt->rac->old->io = org_io;
-	} else if (org_io->AccessEnable) {
+	} else {
 	    /* driver doesn't want it - enable generic access */
 	    org_io->AccessEnable(org_io->arg);
 	}
@@ -1744,7 +1468,7 @@ setAccess(EntityPtr pEnt, xf86State state)
 	if (pEnt->rac->old) {
 	    /* give it to the driver, leave state disabled */
 	    pEnt->rac->old->io_mem = org_mem_io;
-	} else if (org_mem_io->AccessEnable) {
+	} else {
 	    /* driver doesn't want it - enable generic access */
 	    org_mem_io->AccessEnable(org_mem_io->arg);
 	}
@@ -1755,7 +1479,7 @@ setAccess(EntityPtr pEnt, xf86State state)
 	if (pEnt->rac->old) {
 	    /* give it to the driver, leave state disabled */
 	    pEnt->rac->old->mem = org_mem;
-	} else if (org_mem->AccessEnable) {
+	} else {
 	    /* driver doesn't want it - enable generic access */
 	    org_mem->AccessEnable(org_mem->arg);
 	}
@@ -1763,27 +1487,26 @@ setAccess(EntityPtr pEnt, xf86State state)
 
     if (!(prop & NEED_MEM_SHARED)){
 	if (prop & NEED_MEM) {
-	    if (acc_mem && acc_mem->AccessEnable)
+	    if (acc_mem)
 		acc_mem->AccessEnable(acc_mem->arg);
 	} else {
-	    if (acc_mem && acc_mem->AccessDisable)
+	    if (acc_mem)
 		acc_mem->AccessDisable(acc_mem->arg);
 	}
     }
 
     if (!(prop & NEED_IO_SHARED)) {
 	if (prop & NEED_IO) {
-	    if (acc_io && acc_io->AccessEnable)
-	    acc_io->AccessEnable(acc_io->arg);
+	    if (acc_io)
+		acc_io->AccessEnable(acc_io->arg);
 	} else {
-	    if (acc_io && acc_io->AccessDisable)
+	    if (acc_io)
 		acc_io->AccessDisable(acc_io->arg);
 	}
     }
 
     /* disable shared resources */
-    if (pEnt->access->pAccess 
-	&& pEnt->access->pAccess->AccessDisable)
+    if (pEnt->access->pAccess)
 	pEnt->access->pAccess->AccessDisable(pEnt->access->pAccess->arg);
 
     /*
@@ -1820,7 +1543,7 @@ SetSIGIOForState(xf86State state)
     }
 }
 
-_X_EXPORT void
+void
 xf86EnterServerState(xf86State state)
 {
     EntityPtr pEnt;
@@ -1962,44 +1685,6 @@ xf86SetOperatingState(resList list, int entityIndex, int mask)
 /*
  * Stage specific code
  */
- /*
-  * ProcessEstimatedConflicts() -- Do something about driver-registered
-  * resources that conflict with estimated resources.  For now, just register
-  * them with a logged warning.
-  */
-#ifdef REDUCER
-static void
-ProcessEstimatedConflicts(void)
-{
-    if (!AccReducers)
-	return;
-
-    /* Temporary */
-    xf86MsgVerb(X_WARNING, 3,
-		"Registering the following despite conflicts with estimated"
-		" resources:\n");
-    xf86PrintResList(3, AccReducers);
-    Acc = xf86JoinResLists(Acc, AccReducers);
-    AccReducers = NULL;
-}
-#endif
-
-/*
- * xf86ClaimFixedResources() -- This function gets called from the
- * driver Probe() function to claim fixed resources.
- */
-static void
-resError(resList list)
-{
-    FatalError("A driver tried to allocate the %s %sresource at \n"
-	       "0x%lx:0x%lx which conflicted with another resource. Send the\n"
-	       "output of the server to %s. Please \n"
-	       "specify your computer hardware as closely as possible.\n",
-	       ResIsBlock(list)?"Block":"Sparse",
-	       ResIsMem(list)?"Mem":"Io",
-	       ResIsBlock(list)?list->rBegin:list->rBase,
-	       ResIsBlock(list)?list->rEnd:list->rMask,BUILDERADDR);
-}
 
 /*
  * xf86ClaimFixedResources() is used to allocate non-relocatable resources.
@@ -2023,20 +1708,7 @@ xf86ClaimFixedResources(resList list, int entityIndex)
   	case ResExclusive:
  	    if (!xf86ChkConflict(&range, entityIndex)) {
  		Acc = xf86AddResToList(Acc, &range, entityIndex);
-#ifdef REDUCER
-	    } else {
- 		range.type |= ResEstimated;
- 		if (!xf86ChkConflict(&range, entityIndex) &&
- 		    !checkConflict(&range, AccReducers, entityIndex,
-				   SETUP, FALSE)) {
- 		    range.type &= ~(ResEstimated | ResBios);
- 		    AccReducers =
- 			xf86AddResToList(AccReducers, &range, entityIndex);
-#endif
-		} else resError(&range); /* no return */
-#ifdef REDUCER
-	    }
-#endif
+	    } else FatalError("xf86ClaimFixedResources conflict\n");
 	    break;
 	case ResShared:
 	    /* at this stage the resources are just added to the
@@ -2058,9 +1730,6 @@ xf86ClaimFixedResources(resList list, int entityIndex)
     xf86MsgVerb(X_INFO, 3,
 	"resource ranges after xf86ClaimFixedResources() call:\n");
     xf86PrintResList(3,Acc);
-#ifdef REDUCER
-    ProcessEstimatedConflicts();
-#endif
 #ifdef DEBUG
     if (ptr) {
 	xf86MsgVerb(X_INFO, 3, "to be registered later:\n");
@@ -2156,10 +1825,10 @@ xf86PostProbe(void)
 {
     memType val;
     int i,j;
-    resPtr resp, acc, tmp, resp_x, *pprev_next;
+    resPtr resp, acc, tmp, resp_x;
 
     if (fbSlotClaimed) {
-        if (pciSlotClaimed || isaSlotClaimed 
+        if (pciSlotClaimed
 #if (defined(__sparc__) || defined(__sparc)) && !defined(__OpenBSD__)
 	    || sbusSlotClaimed
 #endif
@@ -2176,17 +1845,7 @@ xf86PostProbe(void)
 	    return;
 	}
     }
-    /* don't compare against ResInit - remove it from clone.*/
     acc = tmp = xf86DupResList(Acc);
-    pprev_next = &acc;
-    while (tmp) {
-	if (tmp->res_type & ResInit) {
-	    (*pprev_next) = tmp->next;
-	    xfree(tmp);
-	} else 
-	    pprev_next = &(tmp->next);
-	tmp = (*pprev_next);
-    }
 
     for (i=0; i<xf86NumEntities; i++) {
 	resp = xf86Entities[i]->resources;
@@ -2199,32 +1858,17 @@ xf86PostProbe(void)
 		resp_x = resp;
 		resp = resp->next;
 		resp_x->next = tmp;
-#ifdef REDUCER
-	    } else {
-		resp->res_type |= ResEstimated;
- 		if (!checkConflict(&resp->val, acc, i, SETUP, FALSE)) {
- 		    resp->res_type &= ~(ResEstimated | ResBios);
- 		    tmp = AccReducers;
- 		    AccReducers = resp;
- 		    resp = resp->next;
- 		    AccReducers->next = tmp;
-#endif
 		} else {
-		    xf86MsgVerb(X_INFO, 3, "Found conflict at: 0x%lx\n",val);
+		    xf86MsgVerb(X_INFO, 3, "Found conflict at: 0x%lx\n",
+				(long)val);
  		    resp->res_type &= ~ResEstimated;
 		    tmp = xf86Entities[i]->resources;
 		    xf86Entities[i]->resources = resp;
 		    resp = resp->next;
 		    xf86Entities[i]->resources->next = tmp;
 		}
-#ifdef REDUCER
-	    }
-#endif
 	}
 	xf86JoinResLists(Acc,resp_x);
-#ifdef REDUCER
-	ProcessEstimatedConflicts();
-#endif
     }
     xf86FreeResList(acc);
     
@@ -2276,13 +1920,6 @@ checkRequiredResources(int entityIndex)
 	pAcc = pAcc->next;
     }
     
-    /* check if we can separately enable mem/io resources */
-    /* XXX we still need to find out how to set this yet  */
-    if ( ((pEnt->entityProp & NO_SEPARATE_MEM_FROM_IO)
-	  && (pEnt->entityProp & NEED_MEM_SHARED))
-	 || ((pEnt->entityProp & NO_SEPARATE_IO_FROM_MEM)
-	     && (pEnt->entityProp & NEED_IO_SHARED)) )
-	pEnt->entityProp |= NEED_SHARED;
     /*
      * After we have checked all resources of an entity agains any
      * other resource we know if the entity need this resource type
@@ -2290,13 +1927,11 @@ checkRequiredResources(int entityIndex)
      * so no need to share it either. 
      */
     if ((pEnt->entityProp & NEED_MEM_SHARED)
-	&& (!(pEnt->entityProp & NEED_MEM))
-	&& (!(pEnt->entityProp & NO_SEPARATE_MEM_FROM_IO)))
+	&& (!(pEnt->entityProp & NEED_MEM)))
 	pEnt->entityProp &= ~(unsigned long)NEED_MEM_SHARED;
 
     if ((pEnt->entityProp & NEED_IO_SHARED)
-	&& (!(pEnt->entityProp & NEED_IO))
-	&& (!(pEnt->entityProp & NO_SEPARATE_IO_FROM_MEM)))
+	&& (!(pEnt->entityProp & NEED_IO)))
 	pEnt->entityProp &= ~(unsigned long)NEED_IO_SHARED;
 }
 
@@ -2730,9 +2365,6 @@ xf86ExtractTypeFromList(resPtr list, unsigned long type)
     return ret;
 }
 
-/*------------------------------------------------------------*/
-static void CheckGenericGA(void);
-
 /*
  * xf86FindPrimaryDevice() - Find the display device which
  * was active when the server was started.
@@ -2740,9 +2372,6 @@ static void CheckGenericGA(void);
 void
 xf86FindPrimaryDevice()
 {
-    /* if no VGA device is found check for primary PCI device */
-    if (primaryBus.type == BUS_NONE && xorgHWAccess)
-        CheckGenericGA();
     if (primaryBus.type != BUS_NONE) {
 	char *bus;
 	char loc[16];
@@ -2756,10 +2385,6 @@ xf86FindPrimaryDevice()
 		     primaryBus.id.pci->dev,
 		     primaryBus.id.pci->func);
 	    break;
-	case BUS_ISA:
-	    bus = "ISA";
-	    loc[0] = '\0';
-	    break;
 	case BUS_SBUS:
 	    bus = "SBUS";
 	    snprintf(loc, sizeof(loc), " %2.2x", primaryBus.id.sbus.fbNum);
@@ -2773,40 +2398,7 @@ xf86FindPrimaryDevice()
     }
 }
 
-#if !defined(__sparc) && !defined(__sparc__) && !defined(__powerpc__) && !defined(__mips__) && !defined(__arm__)
-#include "vgaHW.h"
-#include "compiler.h"
-#endif
-
-/*
- * CheckGenericGA() - Check for presence of a VGA device.
- */
-static void
-CheckGenericGA()
-{
-/* This needs to be changed for multiple domains */
-#if !defined(__sparc__) && !defined(__sparc) && !defined(__powerpc__) && !defined(__mips__) && !defined(__ia64__) && !defined(__arm__) && !defined(__s390__)
-    IOADDRESS GenericIOBase = VGAHW_GET_IOBASE();
-    CARD8 CurrentValue, TestValue;
-
-    /* VGA CRTC registers are not used here, so don't bother unlocking them */
-
-    /* VGA has one more read/write attribute register than EGA */
-    (void) inb(GenericIOBase + VGA_IN_STAT_1_OFFSET);  /* Reset flip-flop */
-    outb(VGA_ATTR_INDEX, 0x14 | 0x20);
-    CurrentValue = inb(VGA_ATTR_DATA_R);
-    outb(VGA_ATTR_DATA_W, CurrentValue ^ 0x0F);
-    outb(VGA_ATTR_INDEX, 0x14 | 0x20);
-    TestValue = inb(VGA_ATTR_DATA_R);
-    outb(VGA_ATTR_DATA_W, CurrentValue);
-
-    if ((CurrentValue ^ 0x0F) == TestValue) {
-	primaryBus.type = BUS_ISA;
-    }
-#endif
-}
-
-_X_EXPORT Bool
+Bool
 xf86NoSharedResources(int screenIndex,resType res)
 {
     int j;