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Diffstat (limited to 'private/ntos/nthals/halsgi/mips/sxflshbf.s')
| -rw-r--r-- | private/ntos/nthals/halsgi/mips/sxflshbf.s | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/private/ntos/nthals/halsgi/mips/sxflshbf.s b/private/ntos/nthals/halsgi/mips/sxflshbf.s new file mode 100644 index 000000000..3a9a71172 --- /dev/null +++ b/private/ntos/nthals/halsgi/mips/sxflshbf.s @@ -0,0 +1,76 @@ +// 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 |