1;------------------------------------------------------------------------------ 2; 3; Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR> 4; This program and the accompanying materials 5; are licensed and made available under the terms and conditions of the BSD License 6; which accompanies this distribution. The full text of the license may be found at 7; http://opensource.org/licenses/bsd-license.php. 8; 9; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 10; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 11; 12; Module Name: 13; 14; FlushCacheLine.Asm 15; 16; Abstract: 17; 18; AsmFlushCacheLine function 19; 20; Notes: 21; 22;------------------------------------------------------------------------------ 23 24 SECTION .text 25 26;------------------------------------------------------------------------------ 27; VOID * 28; EFIAPI 29; AsmFlushCacheLine ( 30; IN VOID *LinearAddress 31; ); 32;------------------------------------------------------------------------------ 33global ASM_PFX(AsmFlushCacheLine) 34ASM_PFX(AsmFlushCacheLine): 35 ; 36 ; If the CPU does not support CLFLUSH instruction, 37 ; then promote flush range to flush entire cache. 38 ; 39 mov eax, 1 40 push ebx 41 cpuid 42 pop ebx 43 mov eax, [esp + 4] 44 test edx, BIT19 45 jz .0 46 clflush [eax] 47 ret 48.0: 49 wbinvd 50 ret 51 52