1 files changed, 72 insertions, 0 deletions
diff --git a/EDK/Foundation/Library/EfiCommonLib/Ia32/Power10U64.asm b/EDK/Foundation/Library/EfiCommonLib/Ia32/Power10U64.asm
new file mode 100644
index 0000000..0346e03
--- /dev/null
+++ b/EDK/Foundation/Library/EfiCommonLib/Ia32/Power10U64.asm
@@ -0,0 +1,72 @@
+      TITLE   Power10U64.asm: calculates Operand * 10 ^ Power
+
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2004, Intel Corporation                                                         
+; All rights reserved. This program and the accompanying materials                          
+; are licensed and made available under the terms and conditions of the BSD License         
+; which accompanies this distribution.  The full text of the license may be found at        
+; http://opensource.org/licenses/bsd-license.php                                            
+;                                                                                           
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             
+; 
+; Module Name:
+;
+;   Power10U64.asm
+; 
+; Abstract:
+; 
+;   Calculates Operand * 10 ^ Power
+;
+;------------------------------------------------------------------------------
+
+  .686P
+  .XMM
+  .MODEL SMALL
+  .CODE
+
+Power10U64 PROTO C  Operand:      QWORD, Power:      DWORD
+MultU64x32 PROTO C  Multiplicand: QWORD, Multiplier: DWORD
+  
+Power10U64 PROC C   Operand:      QWORD, Power:      DWORD
+
+;------------------------------------------------------------------------------
+; UINT64
+; Power10U64 (
+;   IN UINT64   Operand,
+;   IN UINTN    Power
+;   )
+;
+; Routine Description:
+;
+;   Raise 10 to the power of Power, and multiply the result with Operand
+;
+; Arguments:
+;
+;   Operand  - multiplicand
+;   Power    - power
+;
+; Returns:
+;
+;   Operand * 10 ^ Power
+;------------------------------------------------------------------------------
+
+  push   ecx
+  
+  mov    ecx, Power
+  jcxz   _Power10U64_Done
+  
+_Power10U64_Wend:
+  invoke MultU64x32, Operand, 10
+  mov    dword ptr Operand[0], eax
+  mov    dword ptr Operand[4], edx
+  loop   _Power10U64_Wend
+
+_Power10U64_Done:
+  pop    ecx
+  ret
+
+Power10U64 ENDP
+
+END