diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f14/Lib/IA32/msmemcpy.asm')
-rw-r--r-- | src/vendorcode/amd/agesa/f14/Lib/IA32/msmemcpy.asm | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f14/Lib/IA32/msmemcpy.asm b/src/vendorcode/amd/agesa/f14/Lib/IA32/msmemcpy.asm new file mode 100644 index 0000000000..b74818c3d0 --- /dev/null +++ b/src/vendorcode/amd/agesa/f14/Lib/IA32/msmemcpy.asm @@ -0,0 +1,84 @@ +;/** +; * @file +; * +; * Agesa library 32bit +; * +; * Contains AMD AGESA Library +; * +; * @xrefitem bom "File Content Label" "Release Content" +; * @e project: AGESA +; * @e sub-project: Lib +; * @e \$Revision: 9201 $ @e \$Date: 2008-10-31 03:36:20 -0500 (Fri, 31 Oct 2008) $ +; */ +;***************************************************************************** +; +; Copyright (c) 2011, Advanced Micro Devices, Inc. +; All rights reserved. +; +; Redistribution and use in source and binary forms, with or without +; modification, are permitted provided that the following conditions are met: +; * Redistributions of source code must retain the above copyright +; notice, this list of conditions and the following disclaimer. +; * Redistributions in binary form must reproduce the above copyright +; notice, this list of conditions and the following disclaimer in the +; documentation and/or other materials provided with the distribution. +; * Neither the name of Advanced Micro Devices, Inc. nor the names of +; its contributors may be used to endorse or promote products derived +; from this software without specific prior written permission. +; +; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +; ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +; DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY +; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +; (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +; ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +; +;***************************************************************************** + +.586p +.model flat +ASSUME FS:NOTHING +.code +; void *memcpy( void *dest, void *src, size_t count ); +; +; Copy count bytes from src to dest, returning dest. +; ("c" is not legal as an assembly parameter name, replaced with value.) +; Assume ES is set appropriately, 32 bit flat. +; +public memcpy +memcpy PROC NEAR C PUBLIC USES ECX EDI ESI dest:DWORD, src:DWORD, count:DWORD + pushf + cld ; We will increment through *dest + mov edi, dest + mov esi, src + mov ecx, count + rep movsb + mov eax, dest + popf + ret +memcpy ENDP + +; void *memset( void *dest, int c, size_t count ); +; +; At dest, set count bytes to byte value, returning dest. +; ("c" is not legal as an assembly parameter name, replaced with value.) +; Assume ES is set appropriately, 32 bit flat. +; +public memset +memset PROC NEAR C PUBLIC USES ECX EDI dest:DWORD, value:DWORD, count:DWORD + pushf + cld ; We will increment through *dest + mov edi, dest + mov eax, value + mov ecx, count + rep stosb + mov eax, edi + popf + ret +memset ENDP + +END |