77 lines
1.2 KiB
ArmAsm
77 lines
1.2 KiB
ArmAsm
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// TITLE("Miscellaneous Kernel Functions")
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//++
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//
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// Copyright (c) 1991 Microsoft Corporation
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// Copyright (c) 1992 Silicon Graphics, Inc.
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//
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// Module Name:
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//
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// s3flshbf.s
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//
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// Abstract:
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//
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// This module implements the system dependent kernel function to flush
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// the write buffer on the SGI Indigo system.
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//
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// Author:
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//
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// David N. Cutler (davec) 24-Apr-1991
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//
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// Environment:
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//
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// Kernel mode only.
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//
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// Revision History:
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//
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//--
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#include "sgidef.h"
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#include "ksmips.h"
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SBTTL("Flush Write Buffer")
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//++
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//
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// NTSTATUS
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// KeFlushWriteBuffer (
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// VOID
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// )
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//
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// Routine Description:
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//
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// This function flushes the write buffer on the current processor.
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//
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// Arguments:
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//
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// None.
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//
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// Return Value:
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//
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// None.
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//
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//--
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LEAF_ENTRY(KeFlushWriteBuffer)
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.set noreorder
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.set noat
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#if defined(R3000)
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li t0,SGI_CPUCTRL_BASE
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j ra
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lw zero,0(t0)
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#else
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lui t0,SGI_CPUCTRL_BASE>>16
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or t0,SGI_CPUCTRL_BASE&0xffff
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lw t0,0(t0)
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nop
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nop
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nop
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j ra
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nop
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#endif
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.set at
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.set reorder
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.end KeFlushWritebuffer
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