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| -rw-r--r-- | private/ntos/nthals/halps/ppc/pxflshbf.s | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/private/ntos/nthals/halps/ppc/pxflshbf.s b/private/ntos/nthals/halps/ppc/pxflshbf.s new file mode 100644 index 000000000..358b5de88 --- /dev/null +++ b/private/ntos/nthals/halps/ppc/pxflshbf.s @@ -0,0 +1,117 @@ +// TITLE("Miscellaneous Kernel Functions") +//++ +// +// Copyright (C) 1991-1995 Microsoft Corporation +// +// Copyright (C) 1994,1995 MOTOROLA, INC. All Rights Reserved. This file +// contains copyrighted material. Use of this file is restricted +// by the provisions of a Motorola Software License Agreement. +// +// Module Name: +// +// pxflshbf.s +// +// Abstract: +// +// This module implements the system dependent kernel function to flush +// the write buffer or otherwise synchronize writes on a Power PC +// system. +// +// +// +// Author: +// +// David N. Cutler (davec) 24-Apr-1991 +// +// Environment: +// +// Kernel mode only. +// +// Revision History: +// +// Jim Wooldridge (jimw@austin.vnet.ibm.com) Initial PowerPC port +// +// Used PowerPC eieio instruction to flush writes +// +//-- + +#include "kxppc.h" + + +// SBTTL("Flush Write Buffer") +// +//++ +// +// NTSTATUS +// KeFlushWriteBuffer ( +// VOID +// ) +// +// Routine Description: +// +// This function flushes the write buffer on the current processor. +// +// Arguments: +// +// None. +// +// Return Value: +// +// None. +// +//-- + + LEAF_ENTRY(KeFlushWriteBuffer) + + eieio // synchronize I/O + + LEAF_EXIT(KeFlushWriteBuffer) + + + +// +//++ +// +// NTSTATUS +// HalpSynchronizeExecution() +// VOID +// ) +// +// Routine Description: +// +// This function flushes the write buffer on the current processor. +// +// Arguments: +// +// None. +// +// Return Value: +// +// None. +// +//-- + + LEAF_ENTRY(HalpSynchronizeExecution) + + sync // synchronize + + LEAF_EXIT(HalpSynchronizeExecution) + + +// +//++ +// +// VOID +// HalpSetSDR1( +// ULONG HashedPageTableBase, +// ULONG HashedPageTableSize +// ) +// +// HashedPageTableSize is unused because we ASSUME that the HPT is 64K +// + + LEAF_ENTRY(HalpSetSDR1) + + mtsdr1 r.3 + + LEAF_EXIT(HalpSetSDR1) |