// 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