Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers into modules, and delete rossubsys.

boot/environ/lib/io/blkcache.c

@@ -0,0 +1,111 @@
+/*
+ * COPYRIGHT:       See COPYING.ARM in the top level directory
+ * PROJECT:         ReactOS UEFI Boot Library
+ * FILE:            boot/environ/lib/io/blkcache.c
+ * PURPOSE:         Boot Library Block Cache Management Routines
+ * PROGRAMMER:      Alex Ionescu (alex.ionescu@reactos.org)
+ */
+
+/* INCLUDES ******************************************************************/
+
+#include "bl.h"
+
+/* DATA VARIABLES ************************************************************/
+
+ULONG BcpBlockAllocatorHandle;
+ULONG BcpHashTableId;
+
+/* FUNCTIONS *****************************************************************/
+
+NTSTATUS
+BcpDestroy (
+    VOID
+    )
+{
+    //BcpPurgeCacheEntries();
+    //return BlpMmDeleteBlockAllocator(BcpBlockAllocatorHandle);
+    EfiPrintf(L"Destructor for block cache not yet implemented\r\n");
+    return STATUS_NOT_IMPLEMENTED;
+}
+
+BOOLEAN
+BcpCompareKey (
+    _In_ PBL_HASH_ENTRY Entry1,
+    _In_ PBL_HASH_ENTRY Entry2
+    )
+{
+    PULONG Value1, Value2;
+
+    Value1 = Entry1->Value;
+    Value2 = Entry2->Value;
+    return Entry1->Size == Entry2->Size && Entry1->Flags == Entry2->Flags && *Value1 == *Value2 && Value1[1] == Value2[1] && Value1[2] == Value2[2];
+}
+
+ULONG
+BcpHashFunction (
+    _In_ PBL_HASH_ENTRY Entry,
+    _In_ ULONG TableSize
+    )
+{
+    ULONG i, j, ValueHash;
+    PUCHAR ValueBuffer;
+
+    j = 0;
+    ValueHash = 0;
+    i = 0;
+
+    ValueBuffer = Entry->Value;
+
+    do
+    {
+        ValueHash += ValueBuffer[i++];
+    } while (i < 8);
+
+    do
+    {
+        ValueHash += ValueBuffer[j++ + 8];
+    } while (j < 4);
+
+    return ValueHash % TableSize;
+}
+
+NTSTATUS
+BcInitialize (
+    VOID
+    )
+{
+    NTSTATUS Status;
+
+    Status = BlHtCreate(50, BcpHashFunction, BcpCompareKey, &BcpHashTableId);
+    if (!NT_SUCCESS(Status))
+    {
+        goto Quickie;
+    }
+
+    BcpBlockAllocatorHandle = BlpMmCreateBlockAllocator();
+    if (BcpBlockAllocatorHandle == -1)
+    {
+        Status = STATUS_UNSUCCESSFUL;
+        goto Quickie;
+    }
+
+    Status = BlpIoRegisterDestroyRoutine(BcpDestroy);
+    if (Status >= 0)
+    {
+        return Status;
+    }
+
+Quickie:
+    EfiPrintf(L"Failure path not yet implemented\r\n");
+#if 0
+    if (BcpHashTableId != -1)
+    {
+        BlHtDestroy(BcpHashTableId);
+    }
+    if (BcpBlockAllocatorHandle != -1)
+    {
+        BlpMmDeleteBlockAllocator(BcpBlockAllocatorHandle);
+    }
+#endif
+    return Status;
+}