massive reduction of unneeded files

1 files changed, 0 insertions, 3317 deletions

diff --git a/nx-X11/programs/Xserver/hw/xfree86/common/xf86Bus.c b/nx-X11/programs/Xserver/hw/xfree86/common/xf86Bus.c
deleted file mode 100644
index e0cc4dd65..000000000
--- a/nx-X11/programs/Xserver/hw/xfree86/common/xf86Bus.c
+++ /dev/null
@@ -1,3317 +0,0 @@
-/* $XFree86: xc/programs/Xserver/hw/xfree86/common/xf86Bus.c,v 1.80 2004/02/05 18:24:59 eich Exp $ */
-/*
- * Copyright (c) 1997-2003 by The XFree86 Project, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Except as contained in this notice, the name of the copyright holder(s)
- * and author(s) shall not be used in advertising or otherwise to promote
- * the sale, use or other dealings in this Software without prior written
- * authorization from the copyright holder(s) and author(s).
- */
-
-#define REDUCER
-/*
- * This file contains the interfaces to the bus-specific code
- */
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include <ctype.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <X11/X.h>
-#include "os.h"
-#include "xf86.h"
-#include "xf86Priv.h"
-#include "xf86Resources.h"
-
-/* Bus-specific headers */
-
-#include "xf86Bus.h"
-
-#define XF86_OS_PRIVS
-#define NEED_OS_RAC_PROTOS
-#include "xf86_OSproc.h"
-
-#include "xf86RAC.h"
-
-/* Entity data */
-EntityPtr *xf86Entities = NULL;	/* Bus slots claimed by drivers */
-int xf86NumEntities = 0;
-static int xf86EntityPrivateCount = 0;
-BusAccPtr xf86BusAccInfo = NULL;
-
-xf86AccessRec AccessNULL = {NULL,NULL,NULL};
-
-xf86CurrentAccessRec xf86CurrentAccess = {NULL,NULL};
-
-BusRec primaryBus = { BUS_NONE, {{0}}};
-
-Bool xf86ResAccessEnter = FALSE;
-
-#ifdef REDUCER
-/* Resources that temporarily conflict with estimated resources */
-static resPtr AccReducers = NULL;
-#endif
-
-/* resource lists */
-resPtr Acc = NULL;
-resPtr osRes = NULL;
-
-/* allocatable ranges */
-resPtr ResRange = NULL;
-
-/* predefined special resources */
-resRange resVgaExclusive[] = {_VGA_EXCLUSIVE, _END};
-resRange resVgaShared[] = {_VGA_SHARED, _END};
-resRange resVgaMemShared[] = {_VGA_SHARED_MEM,_END};
-resRange resVgaIoShared[] = {_VGA_SHARED_IO,_END};
-resRange resVgaUnusedExclusive[] = {_VGA_EXCLUSIVE_UNUSED, _END};
-resRange resVgaUnusedShared[] = {_VGA_SHARED_UNUSED, _END};
-resRange resVgaSparseExclusive[] = {_VGA_EXCLUSIVE_SPARSE, _END};
-resRange resVgaSparseShared[] = {_VGA_SHARED_SPARSE, _END};
-resRange res8514Exclusive[] = {_8514_EXCLUSIVE, _END};
-resRange res8514Shared[] = {_8514_SHARED, _END};
-
-/* Flag: do we need RAC ? */
-static Bool needRAC = FALSE;
-static Bool doFramebufferMode = FALSE;
-
-/* state change notification callback list */
-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.
- *
- * The only one available so far is for PCI and SBUS.
- */
-
-void
-xf86BusProbe(void)
-{
-    xf86PciProbe();
-#if defined(__sparc__) && !defined(__OpenBSD__)
-    xf86SbusProbe();
-#endif
-}
-
-/*
- * Determine what bus type the busID string represents.  The start of the
- * bus-dependent part of the string is returned as retID.
- */
-
-BusType
-StringToBusType(const char* busID, const char **retID)
-{
-    char *p, *s;
-    BusType ret = BUS_NONE;
-
-    /* If no type field, Default to PCI */
-    if (isdigit(busID[0])) {
-	if (retID)
-	    *retID = busID;
-	return BUS_PCI;
-    }
-
-    s = xstrdup(busID);
-    p = strtok(s, ":");
-    if (p == NULL || *p == 0) {
-	xfree(s);
-	return BUS_NONE;
-    }
-    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)
-	if (retID)
-	    *retID = busID + strlen(p) + 1;
-    xfree(s);
-    return ret;
-}
-
-/*
- * Entity related code.
- */
-
-void
-xf86EntityInit(void)
-{
-    int i;
-    resPtr *pprev_next;
-    resPtr res;
-    xf86AccessPtr pacc;
-    
-    for (i = 0; i < xf86NumEntities; i++)
-	if (xf86Entities[i]->entityInit) {
-	    if (xf86Entities[i]->access->busAcc)
-		((BusAccPtr)xf86Entities[i]->access->busAcc)->set_f
-		    (xf86Entities[i]->access->busAcc);
-	    pacc = xf86Entities[i]->access->fallback;
-	    if (pacc->AccessEnable)
-		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);
-	    }
-	}
-}
-
-int
-xf86AllocateEntity(void)
-{
-    xf86NumEntities++;
-    xf86Entities = xnfrealloc(xf86Entities,
-			      sizeof(EntityPtr) * xf86NumEntities);
-    xf86Entities[xf86NumEntities - 1] = xnfcalloc(1,sizeof(EntityRec));
-    xf86Entities[xf86NumEntities - 1]->entityPrivates =
-               xnfcalloc(sizeof(DevUnion) * xf86EntityPrivateCount, 1);
-    return (xf86NumEntities - 1);
-}
-
-static void
-EntityEnter(void)
-{
-    int i;
-    xf86AccessPtr pacc;
-    
-    for (i = 0; i < xf86NumEntities; i++)
-	if (xf86Entities[i]->entityEnter) {
-	    if (xf86Entities[i]->access->busAcc)
-		((BusAccPtr)xf86Entities[i]->access->busAcc)->set_f
-		    (xf86Entities[i]->access->busAcc);
-	    pacc = xf86Entities[i]->access->fallback;
-	    if (pacc->AccessEnable)
-		pacc->AccessEnable(pacc->arg);
-	    xf86Entities[i]->entityEnter(i,xf86Entities[i]->private);
-	    if (pacc->AccessDisable)
-		pacc->AccessDisable(pacc->arg);
-	}
-}
-
-static void
-EntityLeave(void)
-{
-    int i;
-    xf86AccessPtr pacc;
-
-    for (i = 0; i < xf86NumEntities; i++)
-	if (xf86Entities[i]->entityLeave) {
-	    if (xf86Entities[i]->access->busAcc)
-		((BusAccPtr)xf86Entities[i]->access->busAcc)->set_f
-		    (xf86Entities[i]->access->busAcc);
-	    pacc = xf86Entities[i]->access->fallback;
-	    if (pacc->AccessEnable)
-		pacc->AccessEnable(pacc->arg);
-	    xf86Entities[i]->entityLeave(i,xf86Entities[i]->private);
-	    if (pacc->AccessDisable)
-		pacc->AccessDisable(pacc->arg);
-	}
-}
-
-Bool
-xf86IsEntityPrimary(int entityIndex)
-{
-    EntityPtr pEnt = xf86Entities[entityIndex];
-    
-    if (primaryBus.type != pEnt->busType) return FALSE;
-
-    switch (pEnt->busType) {
-    case BUS_PCI:
-	return (pEnt->pciBusId.bus == primaryBus.id.pci.bus &&
-		pEnt->pciBusId.device == primaryBus.id.pci.device &&
-		pEnt->pciBusId.func == primaryBus.id.pci.func);
-    case BUS_ISA:
-	return TRUE;
-    case BUS_SBUS:
-	return (pEnt->sbusBusId.fbNum == primaryBus.id.sbus.fbNum);
-    default:
-	return FALSE;
-    }
-}
-	
-Bool
-xf86SetEntityFuncs(int entityIndex, EntityProc init, EntityProc enter,
-		   EntityProc leave, pointer private)
-{
-    if (entityIndex >= xf86NumEntities)
-	return FALSE;
-    xf86Entities[entityIndex]->entityInit = init;
-    xf86Entities[entityIndex]->entityEnter = enter;
-    xf86Entities[entityIndex]->entityLeave = leave;
-    xf86Entities[entityIndex]->private = private;
-    return TRUE;
-}
-
-Bool
-xf86DriverHasEntities(DriverPtr drvp)
-{
-    int i;
-    for (i = 0; i < xf86NumEntities; i++) {
-	if (xf86Entities[i]->driver == drvp) 
-	    return TRUE;
-    }
-    return FALSE;
-}
-
-void
-xf86AddEntityToScreen(ScrnInfoPtr pScrn, int entityIndex)
-{
-    if (entityIndex == -1)
-	return;
-    if (xf86Entities[entityIndex]->inUse &&
-	!(xf86Entities[entityIndex]->entityProp & IS_SHARED_ACCEL))
-	FatalError("Requested Entity already in use!\n");
-
-    pScrn->numEntities++;
-    pScrn->entityList = xnfrealloc(pScrn->entityList,
-				    pScrn->numEntities * sizeof(int));
-    pScrn->entityList[pScrn->numEntities - 1] = entityIndex;
-    xf86Entities[entityIndex]->access->next = pScrn->access;
-    pScrn->access = xf86Entities[entityIndex]->access;
-    xf86Entities[entityIndex]->inUse = TRUE;
-    pScrn->entityInstanceList = xnfrealloc(pScrn->entityInstanceList,
-				    pScrn->numEntities * sizeof(int));
-    pScrn->entityInstanceList[pScrn->numEntities - 1] = 0;
-    pScrn->domainIOBase = xf86Entities[entityIndex]->domainIO;
-}
-
-void
-xf86SetEntityInstanceForScreen(ScrnInfoPtr pScrn, int entityIndex, int instance)
-{
-    int i;
-
-    if (entityIndex == -1 || entityIndex >= xf86NumEntities)
-	return;
-
-    for (i = 0; i < pScrn->numEntities; i++) {
-	if (pScrn->entityList[i] == entityIndex) {
-	    pScrn->entityInstanceList[i] = instance;
-	    break;
-	}
-    }
-}
-
-/*
- * XXX  This needs to be updated for the case where a single entity may have
- * instances associated with more than one screen.
- */
-ScrnInfoPtr
-xf86FindScreenForEntity(int entityIndex)
-{
-    int i,j;
-
-    if (entityIndex == -1) return NULL;
-    
-    if (xf86Screens) {
-	for (i = 0; i < xf86NumScreens; i++) {
-	    for (j = 0; j < xf86Screens[i]->numEntities; j++) {
-		if ( xf86Screens[i]->entityList[j] == entityIndex )
-		    return (xf86Screens[i]);
-	    }
-	}
-    }
-    return NULL;
-}
-
-void
-xf86RemoveEntityFromScreen(ScrnInfoPtr pScrn, int entityIndex)
-{
-    int i;
-    EntityAccessPtr *ptr = (EntityAccessPtr *)&pScrn->access;
-    EntityAccessPtr peacc;
-    
-    for (i = 0; i < pScrn->numEntities; i++) {
-	if (pScrn->entityList[i] == entityIndex) {
-	    peacc = xf86Entities[pScrn->entityList[i]]->access;
-	    (*ptr) = peacc->next;
-	    /* disable entity: call disable func */
-	    if (peacc->pAccess && peacc->pAccess->AccessDisable)
-		peacc->pAccess->AccessDisable(peacc->pAccess->arg);
-	    /* also disable fallback - just in case */
-	    if (peacc->fallback && peacc->fallback->AccessDisable)
-		peacc->fallback->AccessDisable(peacc->fallback->arg);
-	    for (i++; i < pScrn->numEntities; i++)
-		pScrn->entityList[i-1] = pScrn->entityList[i];
-	    pScrn->numEntities--;
-	    xf86Entities[entityIndex]->inUse = FALSE;
-	    break;
-	}
-	ptr = &(xf86Entities[pScrn->entityList[i]]->access->next);
-    }
-}
-
-/*
- * xf86ClearEntitiesForScreen() - called when a screen is deleted
- * to mark it's entities unused. Called by xf86DeleteScreen().
- */
-void
-xf86ClearEntityListForScreen(int scrnIndex)
-{
-    ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
-    EntityAccessPtr peacc;
-    int i, entityIndex;
-    
-    if (pScrn->entityList == NULL || pScrn->numEntities == 0) return;
-	
-    for (i = 0; i < pScrn->numEntities; i++) {
-	entityIndex = pScrn->entityList[i];
-	xf86Entities[entityIndex]->inUse = FALSE;
-	/* disable resource: call the disable function */
-	peacc = xf86Entities[entityIndex]->access;
-	if (peacc->pAccess && peacc->pAccess->AccessDisable)
-	    peacc->pAccess->AccessDisable(peacc->pAccess->arg);
-	/* and the fallback function */
-	if (peacc->fallback && peacc->fallback->AccessDisable)
-	    peacc->fallback->AccessDisable(peacc->fallback->arg);
-	/* shared resources are only needed when entity is active: remove */
-	xf86DeallocateResourcesForEntity(entityIndex, ResShared);
-    }
-    xfree(pScrn->entityList);
-    xfree(pScrn->entityInstanceList);
-    if (pScrn->CurrentAccess->pIoAccess == (EntityAccessPtr)pScrn->access)
-	pScrn->CurrentAccess->pIoAccess = NULL;
-    if (pScrn->CurrentAccess->pMemAccess == (EntityAccessPtr)pScrn->access)
-	pScrn->CurrentAccess->pMemAccess = NULL;
-    pScrn->entityList = NULL;
-    pScrn->entityInstanceList = NULL;
-}
-
-void
-xf86DeallocateResourcesForEntity(int entityIndex, unsigned long type)
-{
-    resPtr *pprev_next = &Acc;
-    resPtr res = Acc;
-
-    while (res) {
-	if (res->entityIndex == entityIndex &&
-	    (type & ResAccMask & res->res_type))
-	{
-	    (*pprev_next) = res->next;
-	    xfree(res);
-	} else 
-	    pprev_next = &(res->next);
-	res = (*pprev_next);
-    }
-}
-
-/*
- * Add an extra device section (GDevPtr) to an entity.
- */
-
-void
-xf86AddDevToEntity(int entityIndex, GDevPtr dev)
-{
-    EntityPtr pEnt;
-    
-    if (entityIndex >= xf86NumEntities)
-	return;
-    
-    pEnt = xf86Entities[entityIndex];
-    pEnt->numInstances++;
-    pEnt->devices = xnfrealloc(pEnt->devices,
-				pEnt->numInstances * sizeof(GDevPtr));
-    pEnt->devices[pEnt->numInstances - 1] = dev;
-    dev->claimed = TRUE;
-}
-
-/*
- * xf86GetEntityInfo() -- This function hands information from the
- * EntityRec struct to the drivers. The EntityRec structure itself
- * remains invisible to the driver.
- */
-EntityInfoPtr
-xf86GetEntityInfo(int entityIndex)
-{
-    EntityInfoPtr pEnt;
-    int i;
-    
-    if (entityIndex >= xf86NumEntities)
-	return NULL;
-    
-    pEnt = xnfcalloc(1,sizeof(EntityInfoRec));
-    pEnt->index = entityIndex;
-    pEnt->location = xf86Entities[entityIndex]->bus;
-    pEnt->active = xf86Entities[entityIndex]->active;
-    pEnt->chipset = xf86Entities[entityIndex]->chipset;
-    pEnt->resources = xf86Entities[entityIndex]->resources;
-    pEnt->driver = xf86Entities[entityIndex]->driver;
-    if ( (xf86Entities[entityIndex]->devices) &&
-         (xf86Entities[entityIndex]->devices[0]) ) {
-	for (i = 0; i < xf86Entities[entityIndex]->numInstances; i++)
-	    if (xf86Entities[entityIndex]->devices[i]->screen == 0)
-	        break;
-	pEnt->device = xf86Entities[entityIndex]->devices[i];
-    } else
-	pEnt->device = NULL;
-    
-    return pEnt;
-}
-
-int
-xf86GetNumEntityInstances(int entityIndex)
-{
-    if (entityIndex >= xf86NumEntities)
-	return -1;
-    
-    return xf86Entities[entityIndex]->numInstances;
-}
-
-GDevPtr
-xf86GetDevFromEntity(int entityIndex, int instance)
-{
-    int i;
-  
-    /* We might not use AddDevtoEntity */
-    if ( (!xf86Entities[entityIndex]->devices) ||
-         (!xf86Entities[entityIndex]->devices[0]) ) 
-	return NULL;
-
-    if (entityIndex >= xf86NumEntities ||
-	instance >= xf86Entities[entityIndex]->numInstances)
-	return NULL;
-    
-    for (i = 0; i < xf86Entities[entityIndex]->numInstances; i++)
-	if (xf86Entities[entityIndex]->devices[i]->screen == instance)
-	    break;
-    return xf86Entities[entityIndex]->devices[i];
-}
-
-/*
- * general generic disable function.
- */
-static void
-disableAccess(void)
-{
-    int i;
-    xf86AccessPtr pacc;
-    EntityAccessPtr peacc;
-    
-    /* call disable funcs and reset current access pointer */
-    /* the entity specific access funcs are in an enabled  */
-    /* state - driver must restore their state explicitely */
-    for (i = 0; i < xf86NumScreens; i++) {
-	peacc = xf86Screens[i]->CurrentAccess->pIoAccess;
-	while (peacc) {
-	    if (peacc->pAccess && peacc->pAccess->AccessDisable)
-		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)
-		peacc->pAccess->AccessDisable(peacc->pAccess->arg);
-	    peacc = peacc->next;
-	}
-	xf86Screens[i]->CurrentAccess->pMemAccess = NULL;
-    }
-    /* 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);
-    }
-}
-
-static void
-clearAccess(void)
-{
-    int i;
-    
-    /* call disable funcs and reset current access pointer */
-    /* the entity specific access funcs are in an enabled  */
-    /* state - driver must restore their state explicitely */
-    for (i = 0; i < xf86NumScreens; i++) {
-	xf86Screens[i]->CurrentAccess->pIoAccess = NULL;
-	xf86Screens[i]->CurrentAccess->pMemAccess = NULL;
-    }
-
-}
-
-/*
- * Generic interface to bus specific code - add other buses here
- */
-
-/*
- * xf86AccessInit() - set up everything needed for access control
- * called only once on first server generation.
- */
-void
-xf86AccessInit(void)
-{
-    initPciState();
-    initPciBusState();
-    DisablePciBusAccess();
-    DisablePciAccess();
-    
-    xf86ResAccessEnter = TRUE;
-}
-
-/*
- * xf86AccessEnter() -- gets called to save the text mode VGA IO 
- * resources when reentering the server after a VT switch.
- */
-void
-xf86AccessEnter(void)
-{
-    if (xf86ResAccessEnter) 
-	return;
-
-    /*
-     * on enter we simply disable routing of special resources
-     * to any bus and let the RAC code to "open" the right bridges.
-     */
-    PciBusStateEnter();
-    DisablePciBusAccess();
-    PciStateEnter();
-    disableAccess();
-    EntityEnter();
-    notifyStateChange(NOTIFY_ENTER);
-    xf86EnterServerState(SETUP);
-    xf86ResAccessEnter = TRUE;
-}
-
-/*
- * xf86AccessLeave() -- prepares access for and calls the
- * entityLeave() functions.
- * xf86AccessLeaveState() --- gets called to restore the
- * access to the VGA IO resources when switching VT or on
- * server exit.
- * This was split to call xf86AccessLeaveState() from
- * ddxGiveUp().
- */
-void
-xf86AccessLeave(void)
-{
-    if (!xf86ResAccessEnter)
-	return;
-    notifyStateChange(NOTIFY_LEAVE);
-    disableAccess();
-    DisablePciBusAccess();
-    EntityLeave();
-}
-
-void
-xf86AccessLeaveState(void)
-{
-    if (!xf86ResAccessEnter)
-	return;
-    xf86ResAccessEnter = FALSE;
-    PciStateLeave();
-    PciBusStateLeave();
-}
-
-/*
- * xf86AccessRestoreState() - Restore the access registers to the
- * state before X was started. This is handy for framebuffers.
- */
-static void 
-xf86AccessRestoreState(void)
-{
-    if (!xf86ResAccessEnter)
-	return;
-    PciStateLeave();
-    PciBusStateLeave();
-}
-
-/*
- * xf86EnableAccess() -- enable access to controlled resources.
- * To reduce latency when switching access the ScrnInfoRec has
- * a linked list of the EntityAccPtr of all screen entities.
- */
-/*
- * switching access needs to be done in te following oder:
- * disable
- * 1. disable old entity
- * 2. reroute bus
- * 3. enable new entity
- * Otherwise resources needed for access control might be shadowed
- * by other resources!
- */
-#ifdef async
-
-static AsyncQPtr *AsyncQ = NULL;
-ScrnInfoPtr xf86CurrentScreen = NULL;
-
-#define SETUP_Q  org = AsyncQ; \
-	         AsyncQ = &new;
-
-#define PROCESS_Q xf86CurrentScreen = pScrn;
-                  if (!new) AsyncQ = org; \
-                  else { \
-                       AsyncQPtr tmp_Q; \
-                       while (1) {\
-                          new->func(new->arg);\
-                          if (!(new->next)) {\
-			      AsyncQ = org; xfree(new); break; \
-			   } \
-			   tmp_Q = new->next; \
-		           xfree(new); \
- 		           new = tmp_Q; \
-		       } \
-                  }
-#else
-#define SETUP_Q
-#define PROCESS_Q
-#endif
-
-void
-xf86EnableAccess(ScrnInfoPtr pScrn)
-{
-    register EntityAccessPtr peAcc = (EntityAccessPtr) pScrn->access;
-    register EntityAccessPtr pceAcc;
-    register xf86AccessPtr pAcc;
-    EntityAccessPtr tmp;
-#ifdef async
-    AsyncQPtr *org, new = NULL;
-#endif
-
-#ifdef DEBUG
-    ErrorF("Enable access %i\n",pScrn->scrnIndex);
-#endif
-
-    /* Entity is not under access control or currently enabled */
-    if (!pScrn->access) {
-	if (pScrn->busAccess) {
-	    SETUP_Q;
-	    ((BusAccPtr)pScrn->busAccess)->set_f(pScrn->busAccess);
-	    PROCESS_Q;
-	}
-	return;
-    }
-    
-    switch (pScrn->resourceType) {
-    case IO:
-	pceAcc = pScrn->CurrentAccess->pIoAccess;
-	if (peAcc == pceAcc) {
-	    return;
-	}
-	SETUP_Q;
-	if (pScrn->CurrentAccess->pMemAccess == pceAcc)
-	    pScrn->CurrentAccess->pMemAccess = NULL;
-	while (pceAcc) {
-	    pAcc = pceAcc->pAccess;
-	    if ( pAcc && pAcc->AccessDisable) 
-		(*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);
-	    peAcc = peAcc->next;
-	}
-	pScrn->CurrentAccess->pIoAccess = (EntityAccessPtr) pScrn->access;
-	PROCESS_Q;
-	return;
-	
-    case MEM_IO:
-	pceAcc = pScrn->CurrentAccess->pIoAccess;
-	if (peAcc != pceAcc) { /* current Io != pAccess */
-	    SETUP_Q;
-	    tmp = pceAcc;
-	    while (pceAcc) {
-		pAcc = pceAcc->pAccess;
-		if (pAcc && pAcc->AccessDisable)
-		    (*pAcc->AccessDisable)(pAcc->arg);
-		pceAcc = pceAcc->next;
-	    }
-	    pceAcc = pScrn->CurrentAccess->pMemAccess;
-	    if (peAcc != pceAcc /* current Mem != pAccess */
-		&& tmp !=pceAcc) {
-		while (pceAcc) {
-		    pAcc = pceAcc->pAccess;
-		    if (pAcc && pAcc->AccessDisable)
-			(*pAcc->AccessDisable)(pAcc->arg);
-		    pceAcc = pceAcc->next;
-		}
-	    }
-	} else {    /* current Io == pAccess */
-	    pceAcc = pScrn->CurrentAccess->pMemAccess;
-	    if (pceAcc == peAcc) { /* current Mem == pAccess */
-		return;
-	    }
-	    SETUP_Q;
-	    while (pceAcc) {  /* current Mem != pAccess */
-		pAcc = pceAcc->pAccess;
-		if (pAcc && pAcc->AccessDisable) 
-		    (*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);
-		peAcc = peAcc->next;
-	}
-	pScrn->CurrentAccess->pMemAccess =
-	    pScrn->CurrentAccess->pIoAccess = (EntityAccessPtr) pScrn->access;
-	PROCESS_Q;
-	return;
-	
-    case MEM:
-	pceAcc = pScrn->CurrentAccess->pMemAccess;
-	if (peAcc == pceAcc) {
-	    return;
-	}
-	SETUP_Q;
-	if (pScrn->CurrentAccess->pIoAccess == pceAcc)
-	    pScrn->CurrentAccess->pIoAccess = NULL;
-	while (pceAcc) {
-	    pAcc = pceAcc->pAccess;
-	    if ( pAcc && pAcc->AccessDisable) 
-		(*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);
-	    peAcc = peAcc->next;
-	}
-	pScrn->CurrentAccess->pMemAccess = (EntityAccessPtr) pScrn->access;
-	PROCESS_Q;
-	return;
-
-    case NONE:
-	if (pScrn->busAccess) {
-	    SETUP_Q;
-	    ((BusAccPtr)pScrn->busAccess)->set_f(pScrn->busAccess);
-	    PROCESS_Q;
-	}
-	return;
-    }
-}
-
-void
-xf86SetCurrentAccess(Bool Enable, ScrnInfoPtr pScrn)
-{
-    EntityAccessPtr pceAcc2 = NULL;
-    register EntityAccessPtr pceAcc = NULL;
-    register xf86AccessPtr pAcc;
-
-    
-    switch(pScrn->resourceType) {
-    case IO:
-	pceAcc = pScrn->CurrentAccess->pIoAccess;
-	break;
-    case MEM:
-	pceAcc = pScrn->CurrentAccess->pMemAccess;
-	break;
-    case MEM_IO:
-	pceAcc = pScrn->CurrentAccess->pMemAccess;
-	pceAcc2 = pScrn->CurrentAccess->pIoAccess;
-	break;
-    default:
-	break;
-    }
-
-    while (pceAcc) {
-	pAcc = pceAcc->pAccess;
-	if ( pAcc) {
-	    if (!Enable) {
-		if (pAcc->AccessDisable) 
-		    (*pAcc->AccessDisable)(pAcc->arg);
-	    } else {
-		if (pAcc->AccessEnable) 
-		    (*pAcc->AccessEnable)(pAcc->arg);
-	    }
-	}
-	pceAcc = pceAcc->next;
-	if (!pceAcc) {
-	    pceAcc = pceAcc2;
-	    pceAcc2 = NULL;
-	}
-    }
-}
-
-void
-xf86SetAccessFuncs(EntityInfoPtr pEnt, xf86SetAccessFuncPtr funcs,
-		   xf86SetAccessFuncPtr oldFuncs)
-{
-    AccessFuncPtr rac;
-
-    if (!xf86Entities[pEnt->index]->rac)
-	xf86Entities[pEnt->index]->rac = xnfcalloc(1,sizeof(AccessFuncRec));
-
-    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;
-    
-    rac->old = oldFuncs;
-}
-
-/*
- * Conflict checking
- */
-
-static memType
-getMask(memType val)
-{
-    memType mask = 0;
-    memType tmp = 0;
-    
-    mask=~mask;
-    tmp = ~((~tmp) >> 1);
-    
-    while (!(val & tmp)) {
-	mask = mask >> 1;
-	val = val << 1;
-    }
-    return mask;
-}
-
-/*
- * checkConflictBlock() -- check for conflicts of a block resource range.
- * If conflict is found return end of conflicting range. Else return 0.
- */
-static memType
-checkConflictBlock(resRange *range, resPtr pRes)
-{
-    memType val,tmp,prev;
-    int i;
-    
-    switch (pRes->res_type & ResExtMask) {
-    case ResBlock:
-	if (range->rBegin < pRes->block_end &&
-	    range->rEnd > pRes->block_begin) {
-#ifdef DEBUG
-	    ErrorF("b-b conflict w: %lx %lx\n",
-		   pRes->block_begin,pRes->block_end);
-#endif
-	    return pRes->block_end < range->rEnd ?
-		pRes->block_end : range->rEnd;
-	}
-	return 0;
-    case ResSparse:
-	if (pRes->sparse_base > range->rEnd) return 0;
-	
-	val = (~pRes->sparse_mask | pRes->sparse_base) & getMask(range->rEnd);
-#ifdef DEBUG
-	ErrorF("base = 0x%lx, mask = 0x%lx, begin = 0x%lx, end = 0x%lx ,"
-	       "val = 0x%lx\n",
-		pRes->sparse_base, pRes->sparse_mask, range->rBegin,
-		range->rEnd, val);
-#endif
-	i = sizeof(memType) * 8;
-	tmp = prev = pRes->sparse_base;
-	
-	while (i) {
-	    tmp |= 1<< (--i) & val;
-	    if (tmp > range->rEnd)
-		tmp = prev;
-	    else
-		prev = tmp;
-	}
-	if (tmp >= range->rBegin) {
-#ifdef DEBUG
-	    ErrorF("conflict found at: 0x%lx\n",tmp);
-	    ErrorF("b-d conflict w: %lx %lx\n",
-		   pRes->sparse_base,pRes->sparse_mask);
-#endif
-	    return tmp;
-	}
-	else
-	    return 0;
-    }
-    return 0;
-}
-
-/*
- * checkConflictSparse() -- check for conflicts of a sparse resource range.
- * If conflict is found return base of conflicting region. Else return 0.
- */
-#define mt_max ~(memType)0
-#define length sizeof(memType) * 8
-static memType
-checkConflictSparse(resRange *range, resPtr pRes)
-{
-    memType val, tmp, prev;
-    int i;
-    
-    switch (pRes->res_type & ResExtMask) {
-    case ResSparse:
-	tmp = pRes->sparse_mask & range->rMask;
-	if ((tmp & pRes->sparse_base) == (tmp & range->rBase)) {
-#ifdef DEBUG
-	    ErrorF("s-b conflict w: %lx %lx\n",
-		   pRes->sparse_base,pRes->sparse_mask);
-#endif
-	    return pRes->sparse_mask;
-	}
-	return 0;
-
-    case ResBlock:
-	if (pRes->block_end < range->rBase) return 0;
-	
-	val = (~range->rMask | range->rBase) & getMask(pRes->block_end);
-	i = length;
-	tmp = prev = range->rBase;
-	
-	while (i) {
-#ifdef DEBUG
-	    ErrorF("tmp = 0x%lx\n",tmp);
-#endif
-	    tmp |= 1<< (--i) & val;
-	    if (tmp > pRes->block_end)
-		tmp = prev;
-	    else
-		prev = tmp;
-	}
-	if (tmp < pRes->block_begin) 
-	    return 0;
-	else {
-	    /*
-	     * now we subdivide the block region in sparse regions
-	     * with base values = 2^n and find the smallest mask.
-	     * This might be done in a simpler way....
-	     */
-	    memType mask, m_mask = 0, base = pRes->block_begin;
-	    int i;	    
-	    while (base < pRes->block_end) {
-		for (i = 1; i < length; i++)
-		    if ( base != (base & (mt_max << i))) break;
-		mask = mt_max >> (length - i);
-		do mask >>= 1;
-		while ((mask + base + 1) > pRes->block_end);
-		/* m_mask and are _inverted_ sparse masks */ 
-		m_mask = mask > m_mask ? mask : m_mask;
-		base = base + mask + 1;
-	    }
-#ifdef DEBUG
-	    ErrorF("conflict found at: 0x%lx\n",tmp);
-	    ErrorF("b-b conflict w: %lx %lx\n",
-		   pRes->block_begin,pRes->block_end);
-#endif
-	    return ~m_mask; 
-	}
-    }
-    return 0;
-}
-#undef mt_max
-#undef length
-
-/*
- * needCheck() -- this function decides whether to check for conflicts
- * depending on the types of the resource ranges and their locations
- */
-static Bool
-needCheck(resPtr pRes, unsigned long type, int entityIndex, xf86State state)
-{
-    /* the same entity shouldn't conflict with itself */
-    ScrnInfoPtr pScrn;
-    int i;
-    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;
-
-    /*
-     * Resources set by BIOS (ResBios) are allowed to conflict
-     * with resources marked (ResBios).
-     */
-    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;
-
-    if (state == OPERATING) {
-	if (type & ResDisableOpr || pRes->res_type & ResDisableOpr)
-	    return FALSE;
-	if (type & pRes->res_type & ResUnusedOpr) return FALSE;
-	/*
-	 * Maybe we should have ResUnused set The resUnusedOpr
-	 * bit, too. This way we could avoid this confusion
-	 */
-	if ((type & ResUnusedOpr && pRes->res_type & ResUnused) ||
-	    (type & ResUnused && pRes->res_type & ResUnusedOpr))
-	    return FALSE;
-    }
-    
-    if (entityIndex > -1)
-	loc = xf86Entities[entityIndex]->busType;
-    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 (pRes->entityIndex == entityIndex) return FALSE;
-
-    if (pRes->entityIndex > -1 &&
-	(pScrn = xf86FindScreenForEntity(entityIndex))) {
-	for (i = 0; i < pScrn->numEntities; i++)
-	    if (pScrn->entityList[i] == pRes->entityIndex) return FALSE;
-    }
-    return TRUE;
-}
-
-/*
- * checkConflict() - main conflict checking function which all other
- * function call.
- */
-static memType
-checkConflict(resRange *rgp, resPtr pRes, int entityIndex,
-	      xf86State state, Bool ignoreIdentical)
-{
-    memType ret;
-    
-    while(pRes) {
-	if (!needCheck(pRes,rgp->type, entityIndex ,state)) { 
-	    pRes = pRes->next;                    
-	    continue;                             
-	}
-	switch (rgp->type & ResExtMask) {
-	case ResBlock:
-	    if (rgp->rEnd < rgp->rBegin) {
-		xf86Msg(X_ERROR,"end of block range 0x%lx < begin 0x%lx\n",
-			rgp->rEnd,rgp->rBegin);
-		return 0;
-	    }
-	    if ((ret = checkConflictBlock(rgp, pRes))) {
-		if (!ignoreIdentical || (rgp->rBegin != pRes->block_begin)
-		    || (rgp->rEnd != pRes->block_end))
-		    return ret;
-	    }
-    break;
-	case ResSparse:
-	    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);
-		return 0;
-	    }
-	    if ((ret = checkConflictSparse(rgp, pRes))) {
-		if (!ignoreIdentical || (rgp->rBase != pRes->sparse_base)
-		    || (rgp->rMask != pRes->sparse_mask))
-		    return ret;
-	    }
-	    break;
-	}
-	pRes = pRes->next;
-    }
-    return 0;
-}
-
-/*
- * 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.
- */
-memType
-xf86ChkConflict(resRange *rgp, int entityIndex)
-{
-    return checkConflict(rgp, Acc, entityIndex, SETUP,FALSE);
-}
-
-/*
- * Resources List handling
- */
-
-resPtr
-xf86JoinResLists(resPtr rlist1, resPtr rlist2)
-{
-    resPtr pRes;
-
-    if (!rlist1)
-	return rlist2;
-
-    if (!rlist2)
-	return rlist1;
-
-    for (pRes = rlist1; pRes->next; pRes = pRes->next)
-	;
-    pRes->next = rlist2;
-    return rlist1;
-}
-
-resPtr
-xf86AddResToList(resPtr rlist, resRange *range, int entityIndex)
-{
-    resPtr new;
-
-    switch (range->type & ResExtMask) {
-    case ResBlock:
-	if (range->rEnd < range->rBegin) {
-		xf86Msg(X_ERROR,"end of block range 0x%lx < begin 0x%lx\n",
-			range->rEnd,range->rBegin);
-		return rlist;
-	}
-	break;
-    case ResSparse:
-	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);
-	    return rlist;
-	}
-	break;
-    }
-    
-    new = xnfalloc(sizeof(resRec));
-    /* 
-     * Only background resources may be registered with ResBios 
-     * and ResEstimated set. Other resources only set it for
-     * testing.
-     */
-    if (entityIndex != (-1)) 
-        range->type &= ~(ResBios | ResEstimated);
-    new->val = *range;
-    new->entityIndex = entityIndex;
-    new->next = rlist;
-    return new;
-}
-
-void
-xf86FreeResList(resPtr rlist)
-{
-    resPtr pRes;
-
-    if (!rlist)
-	return;
-
-    for (pRes = rlist->next; pRes; rlist = pRes, pRes = pRes->next)
-	xfree(rlist);
-    xfree(rlist);
-}
-
-resPtr
-xf86DupResList(const resPtr rlist)
-{
-    resPtr pRes, ret, prev, new;
-
-    if (!rlist)
-	return NULL;
-
-    ret = xnfalloc(sizeof(resRec));
-    *ret = *rlist;
-    prev = ret;
-    for (pRes = rlist->next; pRes; pRes = pRes->next) {
-	new = xnfalloc(sizeof(resRec));
-	*new = *pRes;
-	prev->next = new;
-	prev = new;
-    }
-    return ret;
-}
-
-void
-xf86PrintResList(int verb, resPtr list)
-{
-    int i = 0;
-    const char *s, *r;
-    resPtr tmp = list;
-    unsigned long type;
-    
-    if (!list)
-	return;
-
-    type = ResMem;
-    r = "M";
-    while (1) {
-	while (list) {
-	    if ((list->res_type & ResPhysMask) == type) {
-		switch (list->res_type & ResExtMask) {
-		case ResBlock:
-		    xf86ErrorFVerb(verb,
-				   "\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);
-		    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);
-		    break;
-		default:
-		    list = list->next;
-		    continue;
-		}
-		xf86ErrorFVerb(verb, " %s", r);
-		switch (list->res_type & ResAccMask) {
-		case ResExclusive:
-		    if (list->res_type & ResUnused)
-			s = "x";
-		    else
-			s = "X";
-		    break;
-		case ResShared:
-		    if (list->res_type & ResUnused)
-			s = "s";
-		    else
-			s = "S";
-		    break;
-		default:
-		    s = "?";
-		}
-		xf86ErrorFVerb(verb, "%s", s);
-		switch (list->res_type & ResExtMask) {
-		case ResBlock:
-		    s = "[B]";
-		    break;
-		case ResSparse:
-		    s = "[S]";
-		    break;
-		default:
-		    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)
-		    xf86ErrorFVerb(verb, "(B)");
-		if (list->res_type & ResBus)
-		    xf86ErrorFVerb(verb, "(b)");
-		if (list->res_type & ResOprMask) {
-		    switch (list->res_type & ResOprMask) {
-		    case ResUnusedOpr:
-			s = "(OprU)";
-			break;
-		    case ResDisableOpr:
-			s = "(OprD)";
-			break;
-		    default:
-			s = "(Opr?)";
-			break;
-		    }
-		    xf86ErrorFVerb(verb, "%s", s);
-		}
-		xf86ErrorFVerb(verb, "\n");
-		i++;
-	    }
-	    list = list->next;
-	}
-	if (type == ResIo) break;
-	type = ResIo;
-	r = "I";
-	list = tmp;
-    }
-}
-
-resPtr
-xf86AddRangesToList(resPtr list, resRange *pRange, int entityIndex)
-{
-    while(pRange && pRange->type != ResEnd) {
-	list = xf86AddResToList(list,pRange,entityIndex);
-	pRange++;
-    }
-    return list;
-}
-
-void
-xf86ResourceBrokerInit(void)
-{
-    resPtr resPci;
-
-    osRes = NULL;
-
-    /* Get the addressable ranges */
-    ResRange = xf86BusAccWindowsFromOS();
-    xf86MsgVerb(X_INFO, 3, "Addressable bus resource ranges are\n");
-    xf86PrintResList(3, ResRange);
-
-    /* Get the ranges used exclusively by the system */
-    osRes = xf86AccResFromOS(osRes);
-    xf86MsgVerb(X_INFO, 3, "OS-reported resource ranges:\n");
-    xf86PrintResList(3, osRes);
-
-    /* Bus dep initialization */
-    resPci = ResourceBrokerInitPci(&osRes);
-    Acc = xf86JoinResLists(xf86DupResList(osRes), resPci);
-    
-    xf86MsgVerb(X_INFO, 3, "All system resource ranges:\n");
-    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 request code
- */
-
-#define ALIGN(x,a) ((x) + a) &~(a)
-
-resRange 
-xf86GetBlock(unsigned long type, memType size,
-	 memType window_start, memType window_end,
-	 memType align_mask, resPtr avoid)
-{
-    memType min, max, tmp;
-    resRange r = {ResEnd,0,0};
-    resPtr res_range = ResRange;
-    
-    if (!size) return r;
-    if (window_end < window_start || (window_end - window_start) < (size - 1)) {
-	ErrorF("Requesting insufficient memory window!:"
-	       " start: 0x%lx end: 0x%lx size 0x%lx\n",
-	       window_start,window_end,size);
-	return r;
-    }
-    type = (type & ~(ResExtMask | ResBios | ResEstimated)) | ResBlock;
-    
-    while (res_range) {
-	if ((type & ResTypeMask) == (res_range->res_type & ResTypeMask)) {
-	    if (res_range->block_begin > window_start)
-		min = res_range->block_begin;
-	    else
-		min = window_start;
-	    if (res_range->block_end < window_end)
-		max = res_range->block_end;
-	    else
-		max = window_end;
-	    min = ALIGN(min,align_mask);
-	    /* do not produce an overflow! */
-	    while (min < max && (max - min) >= (size - 1)) {
-		RANGE(r,min,min + size - 1,type);
-		tmp = ChkConflict(&r,Acc,SETUP);
-		if (!tmp) {
-		    tmp = ChkConflict(&r,avoid,SETUP);
-		    if (!tmp) {
-			return r;
-		    } 
-		}
-		min = ALIGN(tmp,align_mask);
-	    }
-	}
-	res_range = res_range->next;
-    }
-    RANGE(r,0,0,ResEnd);
-    return r;
-}
-
-#define mt_max ~(memType)0
-#define length sizeof(memType) * 8
-/*
- * make_base() -- assign the lowest bits to the bits set in mask.
- *                example: mask 011010 val 0000110 -> 011000 
- */
-static memType
-make_base(memType val, memType mask)
-{
-    int i,j = 0;
-    memType ret = 0
-	;
-    for (i = 0;i<length;i++) {
-	if ((1 << i) & mask) {
-	    ret |= (((val >> j) & 1) << i);
-	    j++;
-	}
-    }
-    return ret;
-}
-
-/*
- * make_base() -- assign the bits set in mask to the lowest bits.
- *                example: mask 011010 , val 010010 -> 000011
- */
-static memType
-unmake_base(memType val, memType mask)
-{
-    int i,j = 0;
-    memType ret = 0;
-    
-    for (i = 0;i<length;i++) {
-	if ((1 << i) & mask) {
-	    ret |= (((val >> i) & 1) << j);
-	    j++;
-	}
-    }
-    return ret;
-}
-
-static memType
-fix_counter(memType val, memType old_mask, memType mask)
-{
-    mask = old_mask & mask;
-    
-    val = make_base(val,old_mask);
-    return unmake_base(val,mask);
-}
-
-resRange
-xf86GetSparse(unsigned long type,  memType fixed_bits,
-	  memType decode_mask, memType address_mask, resPtr avoid)
-{
-    resRange r = {ResEnd,0,0};
-    memType new_mask;
-    memType mask1;
-    memType base;
-    memType counter = 0;
-    memType counter1;
-    memType max_counter = ~(memType)0;
-    memType max_counter1;
-    memType conflict = 0;
-    
-    /* for sanity */
-    type = (type & ~(ResExtMask | ResBios | ResEstimated)) | ResSparse;
-
-    /*
-     * a sparse address consists of 3 parts:
-     * fixed_bits:   F bits which hard decoded by the hardware
-     * decode_bits:  D bits which are used to decode address
-     *                 but which may be set by software
-     * address_bits: A bits which are used to address the
-     *                 sparse range.
-     * the decode_mask marks all decode bits while the address_mask
-     * masks out all address_bits:
-     *                F D A
-     * decode_mask:   0 1 0
-     * address_mask:  1 1 0
-     */
-    decode_mask &= address_mask;
-    new_mask = decode_mask;
-
-    /*
-     * We start by setting the decode_mask bits to different values
-     * when a conflict is found the address_mask of the conflicting
-     * resource is returned. We remove those bits from decode_mask
-     * that are also set in the returned address_mask as they always
-     * conflict with resources which use them as address masks.
-     * The resoulting mask is stored in new_mask.
-     * We continue until no conflict is found or until we have
-     * tried all possible settings of new_mask.
-     */
-    while (1) {
-	base = make_base(counter,new_mask) | fixed_bits;
-	RANGE(r,base,address_mask,type);
-	conflict = ChkConflict(&r,Acc,SETUP);
-	if (!conflict) {
-	    conflict = ChkConflict(&r,avoid,SETUP);
-	    if (!conflict) {
-		return r;
-	    }
-	}
-	counter = fix_counter(counter,new_mask,conflict);
-	max_counter = fix_counter(max_counter,new_mask,conflict);
-	new_mask &= conflict;
-	counter ++;
-	if (counter > max_counter) break;
-    }
-    if (!new_mask && (new_mask == decode_mask)) {
-	RANGE(r,0,0,ResEnd);
-	return r;
-    }
-    /*
-     * if we haven't been successful we also try to modify those
-     * bits in decode_mask that are not at the same time set in
-     * new mask. These bits overlap with address_bits of some
-     * resources. If a conflict with a resource of this kind is
-     * found (ie. returned_mask & mask1 != mask1) with
-     * mask1 = decode_mask & ~new_mask we cannot
-     * use our choice of bits in the new_mask part. We try
-     * another choice.
-     */
-    max_counter = fix_counter(mt_max,mt_max,new_mask);
-    mask1 = decode_mask & ~new_mask;
-    max_counter1 = fix_counter(mt_max,mt_max,mask1);
-    counter = 0;
-    
-    while (1) {
-	counter1 = 0;
-	while (1) {
-	    base = make_base(counter1,mask1);
-	    RANGE(r,base,address_mask,type);
-	    conflict = ChkConflict(&r,Acc,SETUP);
-	    if (!conflict) {
-		conflict = ChkConflict(&r,avoid,SETUP);
-		if (!conflict) {
-		    return r;
-		}
-	    }
-	    counter1 ++;
-	    if ((mask1 & conflict) != mask1 || counter1 > max_counter1)
-		break;
-	}
-	counter ++;
-	if (counter > max_counter) break;
-    }
-    RANGE(r,0,0,ResEnd);
-    return r;
-}
-
-#undef length
-#undef mt_max
-
-/*
- * Resource registrarion
- */
-
-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 GetImplicitPciResources(entityIndex);
-    case BUS_last:
-	return NULL;
-    }
-    return NULL;
-}
-
-static void
-convertRange2Host(int entityIndex, resRange *pRange)
-{
-    if (pRange->type & ResBus) {
-	switch (xf86Entities[entityIndex]->busType) {
-	case BUS_PCI:
-	    pciConvertRange2Host(entityIndex,pRange);
-	    break;
-	case BUS_ISA:
-	    isaConvertRange2Host(pRange);
-	    break;
-	default:
-	    break;
-	}
-
-	pRange->type &= ~ResBus;
-    }
-}
-
-/*
- * 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.
- */
-
-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;
-    }
-    
-    while(list->type != ResEnd) {
-	range = *list;
-
-	convertRange2Host(entityIndex,&range);
-
-	if ((access != ResNone) && (access & ResAccMask)) {
-	    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);
-	}
-	list++;
-    }
-    if (list_f)
-      xfree(list_f);
-
-#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;
-    
-}
-
-static void
-busTypeSpecific(EntityPtr pEnt, xf86State state, xf86AccessPtr *acc_mem,
-		xf86AccessPtr *acc_io, xf86AccessPtr *acc_mem_io)
-{
-    pciAccPtr *ppaccp;
-    
-    switch (pEnt->bus.type) {
-    case BUS_ISA:
-    case BUS_SBUS:
-	    *acc_mem = *acc_io = *acc_mem_io = &AccessNULL;
-	    break;
-	break;
-    case BUS_PCI:
-	ppaccp = xf86PciAccInfo;
-	while (*ppaccp) {
-	    if ((*ppaccp)->busnum == pEnt->pciBusId.bus
-		&& (*ppaccp)->devnum == pEnt->pciBusId.device
-		&& (*ppaccp)->funcnum == pEnt->pciBusId.func) {
-		*acc_io = &(*ppaccp)->ioAccess;
-		*acc_mem = &(*ppaccp)->memAccess;
-		*acc_mem_io = &(*ppaccp)->io_memAccess;
-		break;
-	    }
-	    ppaccp++;
-	}
-	break;
-    default:
-	*acc_mem = *acc_io = *acc_mem_io = NULL;
-	break;
-    }
-    return;
-}
-
-static void
-setAccess(EntityPtr pEnt, xf86State state)
-{
-
-    xf86AccessPtr acc_mem, acc_io, acc_mem_io;
-    xf86AccessPtr org_mem = NULL, org_io = NULL, org_mem_io = NULL;
-    int prop;
-    
-    busTypeSpecific(pEnt,state,&acc_mem,&acc_io,&acc_mem_io);
-
-    /* The replacement function needs to handle _all_ shared resources */
-    /* unless they are handeled locally and disabled otherwise         */
-    if (pEnt->rac) {
-	if (pEnt->rac->io_new) {
-	    org_io = acc_io;
-	    acc_io = pEnt->rac->io_new;
-	}
-	if (pEnt->rac->mem_new) {
-	    org_mem = acc_mem;
-	    acc_mem = pEnt->rac->mem_new;
-	}	
-	if (pEnt->rac->io_mem_new) {
-	    org_mem_io = acc_mem_io;
-	    acc_mem_io = pEnt->rac->io_mem_new;
-	}   
-    }
-    
-    if (state == OPERATING) {
-	prop = pEnt->entityProp;
-	switch(pEnt->entityProp & NEED_SHARED) {
-	case NEED_SHARED:
-	    pEnt->access->rt = MEM_IO;
-	    break;
-	case NEED_IO_SHARED:
-	    pEnt->access->rt = IO;
-	    break;
-	case NEED_MEM_SHARED:
-	    pEnt->access->rt = MEM;
-	    break;
-	default:
-	    pEnt->access->rt = NONE;
-	}
-    } else {
-	prop = NEED_SHARED | NEED_MEM | NEED_IO;
-	pEnt->access->rt = MEM_IO;
-    }
-    
-    switch(pEnt->access->rt) {
-    case IO:
-	pEnt->access->pAccess = acc_io;
-	break;
-    case MEM:
-	pEnt->access->pAccess = acc_mem;
-	break;
-    case MEM_IO:
-	pEnt->access->pAccess = acc_mem_io;
-	break;
-    default: /* no conflicts at all */
-	pEnt->access->pAccess =  NULL; /* remove from RAC */
-	break;
-    }
-
-    if (org_io) {
-	/* does the driver want the old access func? */
-	if (pEnt->rac->old) {
-	    /* give it to the driver, leave state disabled */
-	    pEnt->rac->old->io = org_io;
-	} else if (org_io->AccessEnable) {
-	    /* driver doesn't want it - enable generic access */
-	    org_io->AccessEnable(org_io->arg);
-	}
-    }
-
-    if (org_mem_io) {
-	/* does the driver want the old access func? */
-	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) {
-	    /* driver doesn't want it - enable generic access */
-	    org_mem_io->AccessEnable(org_mem_io->arg);
-	}
-    }
-
-    if (org_mem) {
-	/* does the driver want the old access func? */
-	if (pEnt->rac->old) {
-	    /* give it to the driver, leave state disabled */
-	    pEnt->rac->old->mem = org_mem;
-	} else if (org_mem->AccessEnable) {
-	    /* driver doesn't want it - enable generic access */
-	    org_mem->AccessEnable(org_mem->arg);
-	}
-    }
-
-    if (!(prop & NEED_MEM_SHARED)){
-	if (prop & NEED_MEM) {
-	    if (acc_mem && acc_mem->AccessEnable)
-		acc_mem->AccessEnable(acc_mem->arg);
-	} else {
-	    if (acc_mem && acc_mem->AccessDisable)
-		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);
-	} else {
-	    if (acc_io && acc_io->AccessDisable)
-		acc_io->AccessDisable(acc_io->arg);
-	}
-    }
-
-    /* disable shared resources */
-    if (pEnt->access->pAccess 
-	&& pEnt->access->pAccess->AccessDisable)
-	pEnt->access->pAccess->AccessDisable(pEnt->access->pAccess->arg);
-
-    /*
-     * If device is not under access control it is enabled.
-     * If it needs bus routing do it here as it isn't bus
-     * type specific. Any conflicts should be checked at this
-     * stage
-     */
-    if (!pEnt->access->pAccess
-	&& (pEnt->entityProp & (state == SETUP ? NEED_VGA_ROUTED_SETUP :
-				NEED_VGA_ROUTED)))
-	((BusAccPtr)pEnt->busAcc)->set_f(pEnt->busAcc);
-}
-
-    
-/*
- * xf86EnterServerState() -- set state the server is in.
- */
-
-typedef enum { TRI_UNSET, TRI_TRUE, TRI_FALSE } TriState;
-
-static void
-SetSIGIOForState(xf86State state)
-{
-    static int sigio_state;
-    static TriState sigio_blocked = TRI_UNSET;
-
-    if ((state == SETUP) && (sigio_blocked != TRI_TRUE)) {
-        sigio_state = xf86BlockSIGIO();
-	sigio_blocked = TRI_TRUE;
-    } else if ((state == OPERATING) && (sigio_blocked != TRI_UNSET)) {
-        xf86UnblockSIGIO(sigio_state);
-        sigio_blocked = TRI_FALSE;
-    }
-}
-
-void
-xf86EnterServerState(xf86State state)
-{
-    EntityPtr pEnt;
-    ScrnInfoPtr pScrn;
-    int i,j;
-    int needVGA = 0;
-    resType rt;
-    /* 
-     * This is a good place to block SIGIO during SETUP state.
-     * SIGIO should be blocked in SETUP state otherwise (u)sleep()
-     * might get interrupted early. 
-     * We take care not to call xf86BlockSIGIO() twice. 
-     */
-    SetSIGIOForState(state);
-#ifdef DEBUG
-    if (state == SETUP)
-	ErrorF("Entering SETUP state\n");
-    else
-	ErrorF("Entering OPERATING state\n");
-#endif
-
-    /* When servicing a dumb framebuffer we don't need to do anything */
-    if (doFramebufferMode) return;
-
-    for (i=0; i<xf86NumScreens; i++) {
-	pScrn = xf86Screens[i];
-	j = pScrn->entityList[pScrn->numEntities - 1];
-	pScrn->access = xf86Entities[j]->access;
-	
- 	for (j = 0; j<xf86Screens[i]->numEntities; j++) {
- 	    pEnt = xf86Entities[xf86Screens[i]->entityList[j]];
- 	    if (pEnt->entityProp & (state == SETUP ? NEED_VGA_ROUTED_SETUP
- 				    : NEED_VGA_ROUTED)) 
-		xf86Screens[i]->busAccess = pEnt->busAcc;
- 	}
-	if (xf86Screens[i]->busAccess)
-	    needVGA ++;
-    }
-    
-    /*
-     * if we just have one screen we don't have RAC.
-     * Therefore just enable the screen and return.
-     */
-    if (!needRAC) {
-	xf86EnableAccess(xf86Screens[0]);
-	notifyStateChange(NOTIFY_ENABLE);
-	return;
-    }
-    
-    if (state == SETUP)
-	notifyStateChange(NOTIFY_SETUP_TRANSITION);
-    else
-	notifyStateChange(NOTIFY_OPERATING_TRANSITION);
-    
-    clearAccess();
-    for (i=0; i<xf86NumScreens;i++) {
-
-	rt = NONE;
-	
-	for (j = 0; j<xf86Screens[i]->numEntities; j++) {
-	    pEnt = xf86Entities[xf86Screens[i]->entityList[j]];
-	    setAccess(pEnt,state);
-
-	    if (pEnt->access->rt != NONE) {
-		if (rt != NONE && rt != pEnt->access->rt)
-		    rt = MEM_IO;
-		else
-		    rt = pEnt->access->rt;
-	    }
-	}
-	xf86Screens[i]->resourceType = rt;
-	if (rt == NONE) {
-	    xf86Screens[i]->access = NULL;
-	    if (needVGA < 2)
-		xf86Screens[i]->busAccess = NULL;
-	}
-	
-#ifdef DEBUG
-	if (xf86Screens[i]->busAccess)
-	    ErrorF("Screen %i setting vga route\n",i);
-#endif
-	switch (rt) {
-	case MEM_IO:
-	    xf86MsgVerb(X_INFO, 3, "Screen %i shares mem & io resources\n",i);
-	    break;
-	case IO:
-	    xf86MsgVerb(X_INFO, 3, "Screen %i shares io resources\n",i);
-	    break;
-	case MEM:
-	    xf86MsgVerb(X_INFO, 3, "Screen %i shares mem resources\n",i);
-	    break;
-	default:
-	    xf86MsgVerb(X_INFO, 3, "Entity %i shares no resources\n",i);
-	    break;
-	}
-    }
-    if (state == SETUP)
-	notifyStateChange(NOTIFY_SETUP);
-    else
-	notifyStateChange(NOTIFY_OPERATING);
-}
-
-/*
- * xf86SetOperatingState() -- Set ResOperMask for resources listed.
- */
-resPtr
-xf86SetOperatingState(resList list, int entityIndex, int mask)
-{
-    resPtr acc;
-    resPtr r_fail = NULL;
-    resRange range;
-    
-    while (list->type != ResEnd) {
-	range = *list;
-	convertRange2Host(entityIndex,&range);
-
-	acc = Acc;
-	while (acc) {
-#define MASK (ResTypeMask | ResExtMask)
-	    if ((acc->entityIndex == entityIndex) 
-		&& (acc->val.a == range.a) && (acc->val.b == range.b)
-		&& ((acc->val.type & MASK) == (range.type & MASK)))
-		break;
-#undef MASK
-	    acc = acc->next;
-	}
-	if (acc)
-	    acc->val.type = (acc->val.type & ~ResOprMask)
-		| (mask & ResOprMask);
-	else {
-	    r_fail = xf86AddResToList(r_fail,&range,entityIndex);
-	}
-	list ++;
-    }
-    
-     return r_fail;
-}
-
-/*
- * 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.
- * This should only be done by a driver's Probe() function.
- */
-void
-xf86ClaimFixedResources(resList list, int entityIndex)
-{
-    resPtr ptr = NULL;
-    resRange range;	
-
-    if (!list) return;
-    
-    while (list->type !=ResEnd) {
- 	range = *list;
-
-	convertRange2Host(entityIndex,&range);
-
- 	range.type &= ~ResEstimated;	/* Not allowed for drivers */
- 	switch (range.type & ResAccMask) {
-  	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
-	    break;
-	case ResShared:
-	    /* at this stage the resources are just added to the
-	     * EntityRec. After the Probe() phase this list is checked by
-	     * xf86PostProbe(). All resources which don't
-	     * conflict with already allocated ones are allocated
-	     * and removed from the EntityRec. Thus a non-empty resource
-	     * list in the EntityRec indicates resource conflicts the
-	     * driver should either handle or fail.
-	     */
-	    if (xf86Entities[entityIndex]->active)
-		ptr = xf86AddResToList(ptr,&range,entityIndex);
-	    break;
-	}
-	list++;
-    }
-    xf86Entities[entityIndex]->resources =
-	xf86JoinResLists(xf86Entities[entityIndex]->resources,ptr);
-    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");
-	xf86PrintResList(3,ptr);
-    }
-#endif
-}
-
-static void
-checkRoutingForScreens(xf86State state)
-{
-    resList list = resVgaUnusedExclusive;
-    resPtr pResVGA = NULL;
-    resPtr pResVGAHost;
-    pointer vga = NULL;
-    int i,j;
-    int entityIndex;
-    EntityPtr pEnt;
-    resPtr pAcc;
-    resRange range;
-
-    /*
-     * find devices that need VGA routed: ie the ones that have
-     * registered VGA resources without ResUnused. ResUnused
-     * doesn't conflict with itself therefore use it here.
-     */
-    while (list->type != ResEnd) { /* create resPtr from resList for VGA */
-	range = *list;
-	range.type &= ~(ResBios | ResEstimated); /* if set remove them */
-	pResVGA = xf86AddResToList(pResVGA, &range, -1);
-	list++;
-    }
-
-    for (i = 0; i < xf86NumScreens; i++) {
-	for (j = 0; j < xf86Screens[i]->numEntities; j++) {
-	    entityIndex = xf86Screens[i]->entityList[j];
-	    pEnt = xf86Entities[entityIndex];
-	    pAcc = Acc;
-	    vga = NULL;
-	    pResVGAHost = xf86DupResList(pResVGA);
-	    xf86ConvertListToHost(entityIndex,pResVGAHost);
-	    while (pAcc) {
-		if (pAcc->entityIndex == entityIndex)
-		    if (checkConflict(&pAcc->val, pResVGAHost,
-				      entityIndex, state, FALSE)) {
-			if (vga && vga != pEnt->busAcc) {
-			    xf86Msg(X_ERROR, "Screen %i needs vga routed to"
-				    "different buses - deleting\n",i);
-			    xf86DeleteScreen(i--,0);
-			}
-#ifdef DEBUG
-			{
-			    resPtr rlist = xf86AddResToList(NULL,&pAcc->val,
-							    pAcc->entityIndex);
-			    xf86MsgVerb(X_INFO,3,"====== %s\n",
-					state == OPERATING ? "OPERATING"
-					: "SETUP");
-			    xf86MsgVerb(X_INFO,3,"%s Resource:\n",
-					(pAcc->val.type) & ResMem ? "Mem" :"Io");
-			    xf86PrintResList(3,rlist);
-			    xf86FreeResList(rlist);
-			    xf86MsgVerb(X_INFO,3,"Conflicts with:\n");
-			    xf86PrintResList(3,pResVGAHost);
-			    xf86MsgVerb(X_INFO,3,"=====\n");
-			}
-#endif
-			vga = pEnt->busAcc;
-			pEnt->entityProp |= (state == SETUP
-			    ? NEED_VGA_ROUTED_SETUP : NEED_VGA_ROUTED);
-			if (state == OPERATING) {
-			    if (pAcc->val.type & ResMem)
-				pEnt->entityProp |= NEED_VGA_MEM;
-			    else
-				pEnt->entityProp |= NEED_VGA_IO;
-			}
-		    }
-		pAcc = pAcc->next;
-	    }
-	    if (vga)
-		xf86MsgVerb(X_INFO, 3,"Setting vga for screen %i.\n",i);
-	    xf86FreeResList(pResVGAHost);
-	}
-    }
-    xf86FreeResList(pResVGA);
-}
-
-/*
- * xf86PostProbe() -- Allocate all non conflicting resources
- * This function gets called by xf86Init().
- */
-void
-xf86PostProbe(void)
-{
-    memType val;
-    int i,j;
-    resPtr resp, acc, tmp, resp_x, *pprev_next;
-
-    if (fbSlotClaimed) {
-        if (pciSlotClaimed || isaSlotClaimed 
-#if defined(__sparc__) && !defined(__OpenBSD__)
-	    || sbusSlotClaimed
-#endif
-	    ) { 
-	    FatalError("Cannot run in framebuffer mode. Please specify busIDs "
-		       "       for all framebuffer devices\n");
-	    return;
-	} else  {
-	    xf86Msg(X_INFO,"Running in FRAMEBUFFER Mode\n");
-	    xf86AccessRestoreState();
-	    notifyStateChange(NOTIFY_ENABLE);
-	    doFramebufferMode = TRUE;
-
-	    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;
-	xf86Entities[i]->resources = NULL;
-	resp_x = NULL;
-	while (resp) {
-	    if (! (val = checkConflict(&resp->val,acc,i,SETUP,FALSE)))  {
- 	        resp->res_type &= ~(ResBios); /* just used for chkConflict() */
-		tmp = resp_x;
-		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);
- 		    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);
-#if !(defined(__alpha__) && defined(linux)) && \
-    !(defined(__ia64__) && defined(linux)) && \
-    !(defined(__sparc64__) && defined(__OpenBSD__))
-    /* 
-     * No need to validate on Alpha Linux or OpenBSD/sparc64, 
-     * trust the kernel.
-     */
-    ValidatePci();
-#endif
-    
-    xf86MsgVerb(X_INFO, 3, "resource ranges after probing:\n");
-    xf86PrintResList(3, Acc);
-    checkRoutingForScreens(SETUP);
-
-    for (i = 0; i < xf86NumScreens; i++) {
-	for (j = 0; j<xf86Screens[i]->numEntities; j++) {
-	    EntityPtr pEnt = xf86Entities[xf86Screens[i]->entityList[j]];
- 	    if ((pEnt->entityProp & NEED_VGA_ROUTED_SETUP) &&
- 		((xf86Screens[i]->busAccess = pEnt->busAcc)))
-		break;
-	}
-    }
-}
-
-static void
-checkRequiredResources(int entityIndex)
-{
-    resRange range;
-    resPtr pAcc = Acc;
-    const EntityPtr pEnt = xf86Entities[entityIndex];
-    while (pAcc) {
-	if (pAcc->entityIndex == entityIndex) {
-	    range = pAcc->val;
-	    /*  ResAny to find conflicts with anything. */
-	    range.type = (range.type & ~ResAccMask) | ResAny | ResBios;
-	    if (checkConflict(&range,Acc,entityIndex,OPERATING,FALSE))
-		switch (pAcc->res_type & ResPhysMask) {
-		case ResMem:
-		    pEnt->entityProp |= NEED_MEM_SHARED;
-		    break;
-		case ResIo:
-		    pEnt->entityProp |= NEED_IO_SHARED;
-		    break;
-		}
-	    if (!(pAcc->res_type & ResOprMask)) {
-		switch (pAcc->res_type & ResPhysMask) {
-		case ResMem:
-		    pEnt->entityProp |= NEED_MEM;
-		    break;
-		case ResIo:
-		    pEnt->entityProp |= NEED_IO;
-		    break;
-		}
-	    }
-	}
-	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
-     * (ie. mem/io) at all. if not we can disable this type completely,
-     * 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 &= ~(unsigned long)NEED_MEM_SHARED;
-
-    if ((pEnt->entityProp & NEED_IO_SHARED)
-	&& (!(pEnt->entityProp & NEED_IO))
-	&& (!(pEnt->entityProp & NO_SEPARATE_IO_FROM_MEM)))
-	pEnt->entityProp &= ~(unsigned long)NEED_IO_SHARED;
-}
-
-void
-xf86PostPreInit()
-{
-  if (doFramebufferMode) return;
-
-    if (xf86NumScreens > 1)
-	needRAC = TRUE;
-
-#ifdef XFree86LOADER
-    xf86MsgVerb(X_INFO, 3, "do I need RAC?");
-    
-    if (needRAC) {
-	xf86ErrorFVerb(3, "  Yes, I do.\n");
-	
-	if (!xf86LoadOneModule("rac",NULL))
-	    FatalError("Cannot load RAC module\n");
-    } else
-	xf86ErrorFVerb(3, "  No, I don't.\n");
-#endif    
- 	
-    xf86MsgVerb(X_INFO, 3, "resource ranges after preInit:\n");
-    xf86PrintResList(3, Acc);
-}
-
-void
-xf86PostScreenInit(void)
-{
-    int i,j;
-    ScreenPtr pScreen;
-    unsigned int flags;
-    int nummem = 0, numio = 0;
-#ifdef XFree86LOADER
-	pointer xf86RACInit = NULL;
-#endif
-
-	if (doFramebufferMode) {
-	    SetSIGIOForState(OPERATING);
-	    return;
-	}
-
-#ifdef XFree86LOADER
-	if (needRAC) {
-	    xf86RACInit = LoaderSymbol("xf86RACInit");
-	    if (!xf86RACInit)
-		FatalError("Cannot resolve symbol \"xf86RACInit\"\n");
-	}
-#endif
-#ifdef DEBUG
-    ErrorF("PostScreenInit  generation: %i\n",serverGeneration);
-#endif
-    if (serverGeneration == 1) {
-	checkRoutingForScreens(OPERATING);
-	for (i=0; i<xf86NumEntities; i++) {
-	    checkRequiredResources(i);
-	}
-	
-	/*
-	 * after removing NEED_XXX_SHARED from entities that
-	 * don't need need XXX resources at all we might have
-	 * a single entity left that has NEED_XXX_SHARED set.
-	 * In this case we can delete that, too.
-	 */
-	for (i = 0; i < xf86NumEntities; i++) {
-	    if (xf86Entities[i]->entityProp & NEED_MEM_SHARED)
-		nummem++;
-	    if (xf86Entities[i]->entityProp & NEED_IO_SHARED)
-		numio++;
-	}
-	for (i = 0; i < xf86NumEntities; i++) {
-	    if (nummem < 2)
-		xf86Entities[i]->entityProp &= ~NEED_MEM_SHARED;
-	    if (numio < 2)
-		xf86Entities[i]->entityProp &= ~NEED_IO_SHARED;
-	}
-    }
-    
-    if (xf86Screens && needRAC) {
-	int needRACforVga = 0;
-
-	for (i = 0; i < xf86NumScreens; i++) {
-	    for (j = 0; j < xf86Screens[i]->numEntities; j++) {
-		if (xf86Entities[xf86Screens[i]->entityList[j]]->entityProp
-		    & NEED_VGA_ROUTED) {
-		    needRACforVga ++;
-		    break; /* only count each screen once */
-		}
-	    }
-	}
-	
-	for (i = 0; i < xf86NumScreens; i++) {
-	    Bool needRACforMem = FALSE, needRACforIo = FALSE;
-	    
-	    for (j = 0; j < xf86Screens[i]->numEntities; j++) {
-		if (xf86Entities[xf86Screens[i]->entityList[j]]->entityProp
-		    & NEED_MEM_SHARED)
-		    needRACforMem = TRUE;
-		if (xf86Entities[xf86Screens[i]->entityList[j]]->entityProp
-		    & NEED_IO_SHARED)
-		    needRACforIo = TRUE;
-		/*
-		 * We may need RAC although we don't share any resources
-		 * as we need to route VGA to the correct bus. This can
-		 * only be done simultaniously for MEM and IO.
-		 */
-		if (needRACforVga > 1) {
-		    if (xf86Entities[xf86Screens[i]->entityList[j]]->entityProp
-			& NEED_VGA_MEM)
-			needRACforMem = TRUE;
-		    if (xf86Entities[xf86Screens[i]->entityList[j]]->entityProp
-			& NEED_VGA_IO)
-			needRACforIo = TRUE;		
-		}
-	    }
-		
-	    pScreen = xf86Screens[i]->pScreen;
-	    flags = 0;
-	    if (needRACforMem) {
-		flags |= xf86Screens[i]->racMemFlags;
-		xf86ErrorFVerb(3, "Screen %d is using RAC for mem\n", i);
-	    }
-	    if (needRACforIo) {
-		flags |= xf86Screens[i]->racIoFlags;
-		xf86ErrorFVerb(3, "Screen %d is using RAC for io\n", i);
-	    }
-	    
-#ifdef XFree86LOADER
-		((Bool(*)(ScreenPtr,unsigned int))xf86RACInit)
-		    (pScreen,flags);
-#else
-	    xf86RACInit(pScreen,flags);
-#endif
-	}
-    }
-    
-    xf86EnterServerState(OPERATING);
-    
-}
-
-/*
- * Sets
- */
-
-
-static resPtr
-decomposeSparse(resRange range)
-{
-    resRange new;
-    resPtr ret = NULL;
-    memType val = range.rBegin;
-    int i = 0;
-    
-    new.type = (range.type & ~ResExtMask) | ResSparse;
-
-    while (1) {
-	if (val & 0x01) {
-	    new.rBase = (val << i);
-	    new.rMask = ~((1 << i) - 1);
-	    ret = xf86AddResToList(ret,&new,-1);
-	    val ++;
-	}
-	i++;
-	val >>= 1;
-	if ((((val + 1) << i) - 1) > range.rEnd)
-	    break;
-    }
-    i--;
-    val <<= 1;
-    
-    while (1) {
-	if((((val + 1) << i) - 1)> range.rEnd) {
-	    if (--i < 0) break;
-	    val <<= 1;
-	} else {
-	    new.rBase = (val << i);
-	    new.rMask = ~((1 << i) - 1);
-	    val++;
-	    ret = xf86AddResToList(ret,&new,-1);
-	}
-    }
-    return ret;
-}
-    
-static Bool
-x_isSubsetOf(resRange range, resPtr list1, resPtr list2)
-{
-    resRange range1, range2;
-    memType m1_A_m2;
-    Bool ret;
-    resPtr list;
-    
-    if (list1) {
-	list = list1;
-	if ((range.type & ResTypeMask) == (list->res_type & ResTypeMask)) {
-	    switch (range.type & ResExtMask) {
-	    case ResBlock:
-		if ((list->res_type & ResExtMask) == ResBlock) {
-		    if (range.rBegin >= list->block_begin
-			&& range.rEnd <= list->block_end)
-			return TRUE;
-		    else if (range.rBegin < list->block_begin
-			     && range.rEnd > list->block_end) {
-			RANGE(range1, range.rBegin, list->block_begin - 1,
-			      range.type);
-			RANGE(range2, list->block_end + 1, range.rEnd,
-			      range.type);
-			return (x_isSubsetOf(range1,list->next,list2) &&
-				x_isSubsetOf(range2,list->next,list2));
-		    }
-		    else if (range.rBegin >= list->block_begin
-			     && range.rBegin <= list->block_end) {
-			RANGE(range1, list->block_end + 1, range.rEnd,
-			      range.type);
-			return (x_isSubsetOf(range1,list->next,list2));
-		    } else if (range.rEnd >= list->block_begin
-			       && range.rEnd <= list->block_end) {
-			RANGE(range1,range.rBegin, list->block_begin - 1,
-			      range.type);
-			return (x_isSubsetOf(range1,list->next,list2));
-		    } 
-		}
-		break;
-	    case ResSparse:
-		if ((list->res_type & ResExtMask) == ResSparse) {
-		    memType test;
-		    int i;
-		    
-		    m1_A_m2 = range.rMask & list->sparse_mask;
-		    if ((range.rBase ^ list->sparse_base) & m1_A_m2)
-			break;
-		    /*
-		     * We use the following system:
-		     * let 0 ^= mask:1 base:0, 1 ^= mask:1 base:1,
-		     * X mask:0 ; S: set TSS: test set for subset
-		     * NTSS: new test set after test
-		     *    S: 1   0   1   0   X   X   0   1   X
-		     *  TSS: 1   0   0   1   1   0   X   X   X
-		     *    T: 0   0   1   1   0   0   0   0   0
-		     * NTSS: 1   0  0/X  1/X 1   0   1   0   X
-		     *    R: 0   0   0   0   0   0   1   1   0
-		     * If R != 0 TSS and S are disjunct
-		     * If R == 0 TSS is subset of S
-		     * If R != 0 NTSS contains elements from TSS
-		     * which are not also members of S.
-		     * If a T is set one of the correspondig bits
-		     * in NTSS must be set to the specified value
-		     * all other are X
-		     */
-		    test = list->sparse_mask & ~range.rMask;
-		    if (test == 0)
-			return TRUE;
-		    for (i = 0; i < sizeof(memType); i++) {
-			if ((test >> i) & 0x1) {
-			    RANGE(range1, ((range.rBase & list->sparse_base)
-				  | (range.rBase & ~list->sparse_mask)
-				  | ((~list->sparse_base & list->sparse_mask)
-				     & ~range.rMask)) & range1.rMask,
-				  ((range.rMask | list->sparse_mask) & ~test)
-				  | (1 << i), range.type);
-			    return (x_isSubsetOf(range1,list->next,list2));
-			}
-		    }
-		}
-		break;
-	    }
-	}
-	return (x_isSubsetOf(range,list->next,list2));
-    } else if (list2) {
-	resPtr tmpList = NULL;
-	switch (range.type & ResExtMask) {
-	case ResBlock:
-	    tmpList = decomposeSparse(range);
-	    while (tmpList) {
-		if (!x_isSubsetOf(tmpList->val,list2,NULL)) {
-		    xf86FreeResList(tmpList);
-		    return FALSE;
-		}
-		tmpList = tmpList->next;
-	    }
-	    xf86FreeResList(tmpList);
-	    return TRUE;
-	    break;
-	case ResSparse:
-	    while (list2) {
-		tmpList = xf86JoinResLists(tmpList,decomposeSparse(list2->val));
-		list2 = list2->next;
-	    }
-	    ret = x_isSubsetOf(range,tmpList,NULL);
-	    xf86FreeResList(tmpList);
-	    return ret;
-	    break;
-	}
-    } else
-	return FALSE;
-
-    return FALSE;
-}
-
-Bool
-xf86IsSubsetOf(resRange range, resPtr list)
-{
-    resPtr dup = xf86DupResList(list);
-    resPtr r_sp = NULL, r = NULL, tmp = NULL;
-    Bool ret = FALSE;
-    
-    while (dup) {
-	tmp = dup;
-	dup = dup->next;
-	switch (tmp->res_type & ResExtMask) {
-	case ResBlock:
-	    tmp->next = r;
-	    r = tmp;
-	    break;
-	case ResSparse:
-	    tmp->next = r_sp;
-	    r_sp = tmp;
-	    break;
-	}
-    }
-    
-    switch (range.type & ResExtMask) {
-    case ResBlock:
-	ret = x_isSubsetOf(range,r,r_sp);
-	break;
-    case ResSparse:
-	ret = x_isSubsetOf(range,r_sp,r);
-	break;
-    }
-    xf86FreeResList(r);
-    xf86FreeResList(r_sp);
-    
-    return ret;
-}
-
-Bool
-xf86IsListSubsetOf(resPtr list, resPtr BaseList)
-{
-    while (list) {
-	if (! xf86IsSubsetOf(list->val,BaseList))
-	    return FALSE;
-	list = list->next;
-    }
-    return TRUE;
-}
-
-resPtr
-findIntersect(resRange Range, resPtr list)
-{
-    resRange range;
-    resPtr new = NULL;
-    
-    while (list) {
-	    if ((Range.type & ResTypeMask) == (list->res_type & ResTypeMask)) {
-		switch (Range.type & ResExtMask) {
-		case ResBlock:
-		    switch (list->res_type & ResExtMask) {
-		    case ResBlock:
-			if (Range.rBegin >= list->block_begin)
-			    range.rBegin = Range.rBegin;
-			else
-			    range.rBegin = list->block_begin;
-			if (Range.rEnd <= list->block_end)
-			    range.rEnd = Range.rEnd;
-			else 
-			    range.rEnd = list->block_end;
-			if (range.rEnd > range.rBegin) {
-			    range.type = Range.type;
-			    new = xf86AddResToList(new,&range,-1);
-			}
-			break;
-		    case ResSparse:
-			new = xf86JoinResLists(new,xf86FindIntersectOfLists(new,decomposeSparse(list->val)));
-			break;
-		    }
-		    break;
-		case ResSparse:
-		    switch (list->res_type & ResExtMask) {
-		    case ResSparse:
-			if (!((~(range.rBase ^ list->sparse_base)
-			    & (range.rMask & list->sparse_mask)))) {
-			    RANGE(range, (range.rBase & list->sparse_base)
-				  | (~range.rMask & list->sparse_base)
-				  | (~list->sparse_mask & range.rBase),
-				  range.rMask | list->sparse_mask,
-				  Range.type);
-			    new = xf86AddResToList(new,&range,-1);
-			}
-			break;
-		    case ResBlock:
-			new = xf86JoinResLists(new,xf86FindIntersectOfLists(
-			    decomposeSparse(range),list));
-			break;
-		    }
-		}
-	    }
-	list = list->next;
-    }
-    return new;
-}
-    
-resPtr
-xf86FindIntersectOfLists(resPtr l1, resPtr l2)
-{
-    resPtr ret = NULL;
-
-    while (l1) {
-	ret = xf86JoinResLists(ret,findIntersect(l1->val,l2));
-	l1 = l1->next;
-    }
-    return ret;
-}
-
-#if 0	/* Not used */
-static resPtr
-xf86FindComplement(resRange Range)
-{
-    resRange range;
-    memType tmp;
-    resPtr new = NULL;
-    int i;
-    
-    switch (Range.type & ResExtMask) {
-    case ResBlock:
-	if (Range.rBegin > 0) {
-	    RANGE(range, 0, Range.rBegin - 1, Range.type);
-	    new = xf86AddResToList(new,&range,-1);
-	}
-	if (Range.rEnd < (memType)~0) {
-	    RANGE(range,Range.rEnd + 1, (memType)~0, Range.type);
-	    new = xf86AddResToList(new,&range,-1);
-	}
-	break;
-    case ResSparse:
-	tmp = Range.rMask;
-	for (i = 0; i < sizeof(memType); i++) {
-	    if (tmp & 0x1) {
-		RANGE(range,(~Range.rMask & range.rMask),(1 << i), Range.type);
-		new = xf86AddResToList(new,&range,-1);
-	    }
-	}
-	break;
-    default:
-	break;
-    }
-    return new;
-}
-#endif
-
-resPtr
-xf86ExtractTypeFromList(resPtr list, unsigned long type)
-{
-    resPtr ret = NULL;
-    
-    while (list) {
-	if ((list->res_type & ResTypeMask) == type)
-	    ret = xf86AddResToList(ret,&(list->val),list->entityIndex);
-	list = list->next;
-    }
-    return ret;
-}
-
-/*------------------------------------------------------------*/
-static void CheckGenericGA(void);
-
-/*
- * xf86FindPrimaryDevice() - Find the display device which
- * was active when the server was started.
- */
-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 = xnfcalloc(1,9);
-	if (loc == NULL) return;
-
-	switch (primaryBus.type) {
-	case BUS_PCI:
-	    bus = "PCI";
-	    sprintf(loc," %2.2x:%2.2x:%1.1x",primaryBus.id.pci.bus,
-	    primaryBus.id.pci.device,primaryBus.id.pci.func);
-	    break;
-	case BUS_ISA:
-	    bus = "ISA";
-	    loc[0] = '\0';
-	    break;
-	case BUS_SBUS:
-	    bus = "SBUS";
-	    sprintf(loc," %2.2x",primaryBus.id.sbus.fbNum);
-	    break;
-	default:
-	    bus = "";
-	    loc[0] = '\0';
-	}
-	
-	xf86MsgVerb(X_INFO, 2, "Primary Device is: %s%s\n",bus,loc);
-	xfree(loc);
-    }
-    
-}
-
-#if !defined(__sparc__) && !defined(__powerpc__) && !defined(__mips__)
-#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(__powerpc__) && !defined(__mips__) && !defined(__ia64__)
-    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
-}
-
-Bool
-xf86NoSharedResources(int screenIndex,resType res)
-{
-    int j;
-    
-    if (screenIndex > xf86NumScreens)
-	return TRUE;
-
-    for (j = 0; j < xf86Screens[screenIndex]->numEntities; j++) {
-      switch (res) {
-      case IO:
-	if ( xf86Entities[xf86Screens[screenIndex]->entityList[j]]->entityProp
-	     & NEED_IO_SHARED)
-	  return FALSE;
-	break;
-      case MEM:
-	if ( xf86Entities[xf86Screens[screenIndex]->entityList[j]]->entityProp
-	     & NEED_MEM_SHARED)
-	  return FALSE;
-	break;
-      case MEM_IO:
-	if ( xf86Entities[xf86Screens[screenIndex]->entityList[j]]->entityProp
-	     & NEED_SHARED)
-	  return FALSE;
-	break;
-      case NONE:
-	break;
-      }
-    }
-    return TRUE;
-}
-
-void
-xf86ConvertListToHost(int entityIndex, resPtr list)
-{
-    while (list) {
-	convertRange2Host(entityIndex, &list->val);
-	list = list->next;
-    }
-}
-
-void
-xf86RegisterStateChangeNotificationCallback(xf86StateChangeNotificationCallbackFunc func, pointer arg)
-{
-    StateChangeNotificationPtr ptr =
-	(StateChangeNotificationPtr)xnfalloc(sizeof(StateChangeNotificationRec));
-
-    ptr->func = func;
-    ptr->arg = arg;
-    ptr->next = StateChangeNotificationList;
-    StateChangeNotificationList = ptr;
-}
-
-Bool
-xf86DeregisterStateChangeNotificationCallback(xf86StateChangeNotificationCallbackFunc func)
-{
-    StateChangeNotificationPtr *ptr = &StateChangeNotificationList;
-    StateChangeNotificationPtr tmp;
-    
-    while (*ptr) {
-	if ((*ptr)->func == func) {
-	    tmp = (*ptr);
-	    (*ptr) = (*ptr)->next;
-	    xfree(tmp);
-	    return TRUE;
-	}
-	ptr = &((*ptr)->next);
-    }
-    return FALSE;
-}
-
-static void
-notifyStateChange(xf86NotifyState state)
-{
-    StateChangeNotificationPtr ptr = StateChangeNotificationList;
-    while (ptr) {
-	ptr->func(state,ptr->arg);
-	ptr = ptr->next;
-    }
-}
-
-#ifdef async
-Bool
-xf86QueueAsyncEvent(void (*func)(pointer),pointer arg)
-{
-    AsyncQPtr new;
-    
-    if (!AsyncQ) return FALSE;
-
-    new = (AsyncQPtr)xfnalloc(sizeof(AsyncQRec));
-    new->func = func;
-    new->arg = arg;
-    (*AsyncQPtr)->next = new;
-    AsyncQPtr = &new;
-    return TRUE;
-}
-#endif
-
-/* Multihead accel sharing accessor functions and entity Private handling */
-
-int
-xf86GetLastScrnFlag(int entityIndex)
-{
-    if(entityIndex < xf86NumEntities) {
-        return(xf86Entities[entityIndex]->lastScrnFlag);
-    } else {
-        return -1;
-    }
-}
-
-void
-xf86SetLastScrnFlag(int entityIndex, int scrnIndex)
-{
-    if(entityIndex < xf86NumEntities) {
-        xf86Entities[entityIndex]->lastScrnFlag = scrnIndex;
-    }
-}
-
-Bool
-xf86IsEntityShared(int entityIndex)
-{
-    if(entityIndex < xf86NumEntities) {
-        if(xf86Entities[entityIndex]->entityProp & IS_SHARED_ACCEL) {
-	    return TRUE;
-	}
-    }
-    return FALSE;
-}
-
-void
-xf86SetEntityShared(int entityIndex)
-{
-    if(entityIndex < xf86NumEntities) {
-        xf86Entities[entityIndex]->entityProp |= IS_SHARED_ACCEL;
-    }
-}
-
-Bool
-xf86IsEntitySharable(int entityIndex)
-{
-    if(entityIndex < xf86NumEntities) {
-        if(xf86Entities[entityIndex]->entityProp & ACCEL_IS_SHARABLE) {
-	    return TRUE;
-	}
-    }
-    return FALSE;
-}
-
-void
-xf86SetEntitySharable(int entityIndex)
-{
-    if(entityIndex < xf86NumEntities) {
-        xf86Entities[entityIndex]->entityProp |= ACCEL_IS_SHARABLE;
-    }
-}
-
-Bool
-xf86IsPrimInitDone(int entityIndex)
-{
-    if(entityIndex < xf86NumEntities) {
-        if(xf86Entities[entityIndex]->entityProp & SA_PRIM_INIT_DONE) {
-	    return TRUE;
-	}
-    }
-    return FALSE;
-}
-
-void
-xf86SetPrimInitDone(int entityIndex)
-{
-    if(entityIndex < xf86NumEntities) {
-        xf86Entities[entityIndex]->entityProp |= SA_PRIM_INIT_DONE;
-    }
-}
-
-void
-xf86ClearPrimInitDone(int entityIndex)
-{
-    if(entityIndex < xf86NumEntities) {
-        xf86Entities[entityIndex]->entityProp &= ~SA_PRIM_INIT_DONE;
-    }
-}
-
-
-/*
- * Allocate a private in the entities.
- */
-
-int
-xf86AllocateEntityPrivateIndex(void)
-{
-    int idx, i;
-    EntityPtr pEnt;
-    DevUnion *nprivs;
-
-    idx = xf86EntityPrivateCount++;
-    for (i = 0; i < xf86NumEntities; i++) {
-	pEnt = xf86Entities[i];
-	nprivs = xnfrealloc(pEnt->entityPrivates,
-			    xf86EntityPrivateCount * sizeof(DevUnion));
-	/* Zero the new private */
-	bzero(&nprivs[idx], sizeof(DevUnion));
-	pEnt->entityPrivates = nprivs;
-    }
-    return idx;
-}
-
-DevUnion *
-xf86GetEntityPrivate(int entityIndex, int privIndex)
-{
-    if (entityIndex >= xf86NumEntities || privIndex >= xf86EntityPrivateCount)
-	return NULL;
-
-    return &(xf86Entities[entityIndex]->entityPrivates[privIndex]);
-}
-