| ;/** |
| ; * @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 |
| ;/*++ |
| ; |
| ;Routine Description: |
| ; |
| ; Shifts a UINT64 to the right. |
| ; |
| ;Arguments: |
| ; |
| ; EDX:EAX - UINT64 value to be shifted |
| ; CL - Shift count |
| ; |
| ;Returns: |
| ; |
| ; EDX:EAX - shifted value |
| ; |
| ;--*/ |
| _aullshr PROC NEAR C PUBLIC |
| .if (cl < 64) |
| .if (cl >= 32) |
| sub cl, 32 |
| mov eax, edx |
| xor edx, edx |
| .endif |
| shrd eax, edx, cl |
| shr edx, cl |
| .else |
| xor eax, eax |
| xor edx, edx |
| .endif |
| ret |
| _aullshr ENDP |
| |
| ;/*++ |
| ; |
| ;Routine Description: |
| ; |
| ; Shifts a UINT64 to the left. |
| ; |
| ;Arguments: |
| ; |
| ; EDX:EAX - UINT64 value to be shifted |
| ; CL - Shift count |
| ; |
| ;Returns: |
| ; |
| ; EDX:EAX - shifted value |
| ; |
| ;--*/ |
| _allshl PROC NEAR C PUBLIC USES CX |
| .if (cl < 64) |
| .if (cl >= 32) |
| sub cl, 32 |
| mov edx, eax |
| xor eax, eax |
| .endif |
| shld edx, eax, cl |
| shl eax, cl |
| .else |
| xor eax, eax |
| xor edx, edx |
| .endif |
| ret |
| _allshl ENDP |
| |
| END |