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// TITLE("Flush Translation Buffers")//++//// Copyright (c) 1992 Digital Equipment Corporation//// Module Name://// tb.s//// Abstract://// This module implements the code to flush the tbs on the current// processor.//// Author://// Joe Notarangelo 21-apr-1992//// Environment://// Kernel mode only.//// Revision History:////--
#include "ksalpha.h"
SBTTL("Flush All Translation Buffers")//++//// VOID// KiFlushEntireTb(// )//// Routine Description://// This function flushes the data and instruction tbs on the current// processor. All entries are flushed with the exception of any entries// that are fixed in the tb (either in hdw or via sfw).//// Arguments://// None.//// Return Value://// None.////--
LEAF_ENTRY(KiFlushEntireTb)
TB_INVALIDATE_ALL // invalidate all tb entries
ret zero, (ra) // return
.end KiFlushEntireTb SBTTL("Flush All Translation Buffers")//++//// VOID// KeFlushCurrentTb(// )//// Routine Description://// This function flushes the data and instruction tbs on the current// processor. All entries are flushed with the exception of any entries// that are fixed in the tb (either in hdw or via sfw).//// Arguments://// None.//// Return Value://// None.////--
LEAF_ENTRY(KeFlushCurrentTb)
TB_INVALIDATE_ALL // invalidate all tb entries
ret zero, (ra) // return
.end KeFlushCurrentTb SBTTL("Flush Single 32-bit Translation Buffer")//++//// VOID// KiFlushSingleTb// IN BOOLEAN Invalid,// IN PVOID Virtual//// Routine Description://// This function flushes a single entry from both the instruction// and data translation buffers. Note: it may flush more that just// the single entry.//// Arguments://// Invalid (a0) - Supplies a boolean variable that determines the reason that// that the TB entry is being flushed.//// Virtual (a1) - Supplies the virtual address of the entry that is to be// flushed from the buffers.//// Return Value://// None.////--
LEAF_ENTRY(KiFlushSingleTb)
bis a1, zero, a0 // set virtual address to flush
TB_INVALIDATE_SINGLE // flush va(a0) from tbs
ret zero, (ra) // return
.end KiFlushSingleTb SBTTL("Flush Single 64-bit Translation Buffer")//++//// VOID// KiFlushSingleTb64// IN BOOLEAN Invalid,// IN PVOID Virtual//// Routine Description://// This function flushes a single entry from both the instruction// and data translation buffers. Note: it may flush more that just// the single entry.//// Arguments://// Invalid (a0) - Supplies a boolean variable that determines the reason that// that the TB entry is being flushed.//// Virtual (a1) - Supplies the virtual page number of the entry that is to be// flushed from the buffers.//// Return Value://// None.////--
LEAF_ENTRY(KiFlushSingleTb64)
bis a1, zero, a0 // a0 = va to flush
TB_INVALIDATE_SINGLE64 // flush va(a0) from tbs
ret zero, (ra) // return
.end KiFlushSingleTb64 SBTTL("Flush Multiple 32-bit Translation Buffer")//++//// VOID// KiFlushMultipleTb (// IN BOOLEAN Invalid,// IN PVOID *Virtual,// IN ULONG Count// )//// Routine Description://// This function flushes multiple entries from the translation buffer.//// Arguments://// Invalid (a0) - Supplies a boolean variable that determines the reason// that the TB entry is being flushed.//// Virtual (a1) - Supplies a pointer to an array of virtual addresses of// the entries that are flushed from the translation buffer.//// Count (a2) - Supplies the number of TB entries to flush.//// Return Value://// None.////--
LEAF_ENTRY(KiFlushMultipleTb)
bis a1, zero, a0 // a0 = pointer to array bis a2, zero, a1 // a1 = count
TB_INVALIDATE_MULTIPLE // invalidate the entries
ret zero, (ra) // return
.end KiFlushMultipleTb SBTTL("Flush Multiple 64-bit Translation Buffer")//++//// VOID// KiFlushMultipleTb64 (// IN BOOLEAN Invalid,// IN PVOID *Virtual,// IN ULONG Count// )//// Routine Description://// This function flushes multiple entries from the translation buffer.//// Arguments://// Invalid (a0) - Supplies a boolean variable that determines the reason// that the TB entry is being flushed.//// Virtual (a1) - Supplies a pointer to an array of virtual page numbers// for the entries that are flushed from the translation buffer.//// Count (a2) - Supplies the number of TB entries to flush.//// Return Value://// None.////--
LEAF_ENTRY(KiFlushMultipleTb64)
bis a1, zero, a0 // a0 = pointer to array bis a2, zero, a1 // a1 = count
TB_INVALIDATE_MULTIPLE64 // invalidate the entries
ret zero, (ra) // return
.end KiFlushMultipleTb64 SBTTL("Flush Single Data Translation Buffer")//++//// VOID// KiFlushSingleDataTb(// )//// Routine Description://// This function flushes a single entry for the data tb only.//// Arguments://// VirtualAddress(a0) - Supplies the virtual address of the entry// that is to be flushed from the data translations.//// Return Value://// None.////--
LEAF_ENTRY(KiFlushSingleDataTb)
DATA_TB_INVALIDATE_SINGLE // flush va(a0) from data tbs
ret zero, (ra) // return
.end KiFlushSingleDataTb
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