[HAL]: Bus support in the HAL actually creates a further wedge between the different...

[reactos.git] / reactos / hal / halx86 / generic / bus / bushndlr.c

diff --git a/reactos/hal/halx86/generic/bus/bushndlr.c b/reactos/hal/halx86/generic/bus/bushndlr.c
deleted file mode 100644 (file)
index 1812136..0000000
--- a/reactos/hal/halx86/generic/bus/bushndlr.c
+++ /dev/null
@@ -1,186 +0,0 @@
-/*
- * PROJECT:         ReactOS HAL
- * LICENSE:         GPL - See COPYING in the top level directory
- * FILE:            hal/halx86/generic/bus/bushndlr.c
- * PURPOSE:         Generic HAL Bus Handler Support
- * PROGRAMMERS:     Stefan Ginsberg (stefan.ginsberg@reactos.org)
- */
-
-/* INCLUDES *******************************************************************/
-
-#include <hal.h>
-#define NDEBUG
-#include <debug.h>
-
-/* GLOBALS ********************************************************************/
-
-KSPIN_LOCK HalpBusDatabaseSpinLock;
-KEVENT HalpBusDatabaseEvent;
-LIST_ENTRY HalpAllBusHandlers;
-PARRAY HalpBusTable;
-PARRAY HalpConfigTable;
-
-/* PRIVATE FUNCTIONS **********************************************************/
-
-PARRAY
-NTAPI
-HalpAllocateArray(IN ULONG ArraySize)
-{
-    PARRAY Array;
-    ULONG Size;
-    
-    /* Compute array size */
-    if (ArraySize == MAXULONG) ArraySize = 0;
-    Size = ArraySize * sizeof(PARRAY) + sizeof(ARRAY);
-    
-    /* Allocate the array */
-    Array = ExAllocatePoolWithTag(NonPagedPool,
-                                  Size,
-                                  'BusH');
-    if (!Array) KeBugCheckEx(HAL_MEMORY_ALLOCATION, Size, 0, (ULONG_PTR)__FILE__, __LINE__);
-    
-    /* Initialize it */
-    Array->ArraySize = ArraySize;
-    RtlZeroMemory(Array->Element, sizeof(PVOID) * (ArraySize + 1));
-    return Array;
-}
-
-VOID
-NTAPI
-HalpGrowArray(IN PARRAY *CurrentArray,
-              IN PARRAY *NewArray)
-{
-    PVOID Tmp;
-    
-    /* Check if the current array doesn't exist yet, or if it's smaller than the new one */
-    if (!(*CurrentArray) || ((*NewArray)->ArraySize > (*CurrentArray)->ArraySize))
-    {
-        /* Does it exist (and can it fit?) */
-        if (*CurrentArray)
-        {
-            /* Copy the current array into the new one */
-            RtlCopyMemory(&(*NewArray)->Element,
-                          &(*CurrentArray)->Element,
-                          sizeof(PVOID) * ((*CurrentArray)->ArraySize + 1));
-        }
-        
-        /* Swap the pointers (XOR swap would be more l33t) */
-        Tmp = *CurrentArray;
-        *CurrentArray = *NewArray;
-        *NewArray = Tmp;
-    }
-}
-
-PBUS_HANDLER
-FASTCALL
-HalpLookupHandler(IN PARRAY Array,
-                  IN ULONG Type,
-                  IN ULONG Number,
-                  IN BOOLEAN AddReference)
-{
-    PHAL_BUS_HANDLER Bus;
-    PBUS_HANDLER Handler = NULL;
-    
-    /* Make sure the entry exists */
-    if (Array->ArraySize >= Type)
-    {
-        /* Retrieve it */
-        Array = Array->Element[Type];
-        
-        /* Make sure the entry array exists */
-        if ((Array) && (Array->ArraySize >= Number))
-        {
-            /* Retrieve the bus and its handler */
-            Bus = Array->Element[Number];
-            Handler = &Bus->Handler;
-            
-            /* Reference the handler if needed */
-            if (AddReference) Bus->ReferenceCount++;
-        }
-    }
-    
-    /* Return the handler */
-    return Handler;
-}
-
-VOID
-FASTCALL
-HaliReferenceBusHandler(IN PBUS_HANDLER Handler)
-{
-    PHAL_BUS_HANDLER Bus;
-    
-    /* Find and reference the bus handler */
-    Bus = CONTAINING_RECORD(Handler, HAL_BUS_HANDLER, Handler);
-    Bus->ReferenceCount++;
-}
-
-VOID
-FASTCALL
-HaliDereferenceBusHandler(IN PBUS_HANDLER Handler)
-{
-    PHAL_BUS_HANDLER Bus;
-    
-    /* Find and dereference the bus handler */
-    Bus = CONTAINING_RECORD(Handler, HAL_BUS_HANDLER, Handler);
-    Bus->ReferenceCount--;
-    ASSERT(Bus->ReferenceCount != 0);
-}
-
-PBUS_HANDLER
-FASTCALL
-HaliHandlerForBus(IN INTERFACE_TYPE InterfaceType,
-                  IN ULONG BusNumber)
-{
-    /* Lookup the interface in the bus table */
-    return HalpLookupHandler(HalpBusTable, InterfaceType, BusNumber, FALSE);
-}
-
-PBUS_HANDLER
-FASTCALL
-HaliHandlerForConfigSpace(IN BUS_DATA_TYPE ConfigType,
-                          IN ULONG BusNumber)
-{
-    /* Lookup the configuration in the configuration table */
-    return HalpLookupHandler(HalpConfigTable, ConfigType, BusNumber, FALSE);
-}
-
-PBUS_HANDLER
-FASTCALL
-HaliReferenceHandlerForBus(IN INTERFACE_TYPE InterfaceType,
-                           IN ULONG BusNumber)
-{
-    /* Lookup the interface in the bus table, and reference the handler */
-    return HalpLookupHandler(HalpBusTable, InterfaceType, BusNumber, TRUE);
-}
-
-PBUS_HANDLER
-FASTCALL
-HaliReferenceHandlerForConfigSpace(IN BUS_DATA_TYPE ConfigType,
-                                   IN ULONG BusNumber)
-{
-    /* Lookup the configuration in the configuration table and add a reference */
-    return HalpLookupHandler(HalpConfigTable, ConfigType, BusNumber, TRUE);
-}
-
-VOID
-NTAPI
-HalpInitBusHandler(VOID)
-{
-    /* Setup the bus lock */
-    KeInitializeSpinLock(&HalpBusDatabaseSpinLock);
-
-    /* Setup the bus event */
-    KeInitializeEvent(&HalpBusDatabaseEvent, SynchronizationEvent, TRUE);
-
-    /* Setup the bus configuration and bus table */
-    HalpBusTable = HalpAllocateArray(0);
-    HalpConfigTable = HalpAllocateArray(0);
-
-    /* Setup the bus list */
-    InitializeListHead(&HalpAllBusHandlers);
-
-    /* These should be written by the PCI driver later, but we give defaults */
-    HalPciTranslateBusAddress = HalpTranslateBusAddress;
-    HalPciAssignSlotResources = HalpAssignSlotResources;
-    HalFindBusAddressTranslation = HalpFindBusAddressTranslation;
-}