4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync;------------------------------------------------------------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync; This program and the accompanying materials
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync; are licensed and made available under the terms and conditions of the BSD License
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync; which accompanies this distribution. The full text of the license may be found at
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync; http://opensource.org/licenses/bsd-license.php.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync; Module Name:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync; ZeroMem.asm
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync; Abstract:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync; ZeroMem function
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync; Notes:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync;------------------------------------------------------------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync .code
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync;------------------------------------------------------------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync; VOID *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync; InternalMemZeroMem (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync; IN VOID *Buffer,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync; IN UINTN Count
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync; )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync;------------------------------------------------------------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncInternalMemZeroMem PROC USES rdi
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync mov rdi, rcx
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync xor rcx, rcx
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync xor eax, eax
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync sub rcx, rdi
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync and rcx, 15
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync mov r8, rdi
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync jz @F
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync cmp rcx, rdx
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync cmova rcx, rdx
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync sub rdx, rcx
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync rep stosb
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync@@:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync mov rcx, rdx
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync and edx, 15
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync shr rcx, 4
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync jz @ZeroBytes
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync pxor xmm0, xmm0
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync@@:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync movntdq [rdi], xmm0 ; rdi should be 16-byte aligned
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync add rdi, 16
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync loop @B
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync mfence
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync@ZeroBytes:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync mov ecx, edx
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync rep stosb
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync mov rax, r8
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ret
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncInternalMemZeroMem ENDP
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync END