mirror of https://github.com/lianthony/NT4.0
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
76 lines
1.2 KiB
76 lines
1.2 KiB
// TITLE("Miscellaneous Kernel Functions")
|
|
//++
|
|
//
|
|
// Copyright (c) 1991 Microsoft Corporation
|
|
// Copyright (c) 1992 Silicon Graphics, Inc.
|
|
//
|
|
// Module Name:
|
|
//
|
|
// s3flshbf.s
|
|
//
|
|
// Abstract:
|
|
//
|
|
// This module implements the system dependent kernel function to flush
|
|
// the write buffer on the SGI Indigo system.
|
|
//
|
|
// Author:
|
|
//
|
|
// David N. Cutler (davec) 24-Apr-1991
|
|
//
|
|
// Environment:
|
|
//
|
|
// Kernel mode only.
|
|
//
|
|
// Revision History:
|
|
//
|
|
//--
|
|
|
|
#include "sgidef.h"
|
|
#include "ksmips.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)
|
|
|
|
|
|
.set noreorder
|
|
.set noat
|
|
|
|
#if defined(R3000)
|
|
li t0,SGI_CPUCTRL_BASE
|
|
j ra
|
|
lw zero,0(t0)
|
|
#else
|
|
lui t0,SGI_CPUCTRL_BASE>>16
|
|
or t0,SGI_CPUCTRL_BASE&0xffff
|
|
lw t0,0(t0)
|
|
nop
|
|
nop
|
|
nop
|
|
j ra
|
|
nop
|
|
#endif
|
|
.set at
|
|
.set reorder
|
|
|
|
.end KeFlushWritebuffer
|