projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| b341712e | 1 | #/*++\r |
| 2 | #\r | |
| 4ea9375a HT |
3 | #Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>\r |
| 4 | #This program and the accompanying materials \r | |
| b341712e | 5 | #are licensed and made available under the terms and conditions of the BSD License \r |
| 6 | #which accompanies this distribution. The full text of the license may be found at \r | |
| 7 | #http://opensource.org/licenses/bsd-license.php \r | |
| 8 | # \r | |
| 9 | #THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
| 10 | #WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
| 11 | #\r | |
| 12 | #Module Name:\r | |
| 13 | #\r | |
| 14 | # Power10U64.c\r | |
| 15 | #\r | |
| 16 | #Abstract:\r | |
| 17 | #\r | |
| 18 | # Calculates Operand * 10 ^ Power\r | |
| 19 | #\r | |
| 20 | #--*/\r | |
| 21 | #\r | |
| 22 | ##include "Tiano.h"\r | |
| 23 | #include "EfiBind.h"\r | |
| 24 | #---------------------------------------------------------------------------\r | |
| 25 | .686: \r | |
| 26 | #.MODEL flat,C\r | |
| 27 | .code: \r | |
| 28 | \r | |
| 29 | .globl ASM_PFX(DivU64x32)\r | |
| 30 | #---------------------------------------------------------------------------\r | |
| 31 | #\r | |
| 32 | #UINT64\r | |
| 33 | #MultU64x32 (\r | |
| 34 | # IN UINT64 Multiplicand,\r | |
| 35 | # IN UINTN Multiplier\r | |
| 36 | # );\r | |
| 37 | #\r | |
| 38 | #UINT64\r | |
| 39 | #Power10U64 (\r | |
| 40 | # IN UINT64 Operand,\r | |
| 41 | # IN UINTN Power\r | |
| 42 | # )\r | |
| 43 | #/*++\r | |
| 44 | #\r | |
| 45 | #Routine Description:\r | |
| 46 | #\r | |
| 47 | # Raise 10 to the power of Power, and multiply the result with Operand\r | |
| 48 | #\r | |
| 49 | #Arguments:\r | |
| 50 | #\r | |
| 51 | # Operand - multiplicand\r | |
| 52 | # Power - power\r | |
| 53 | #\r | |
| 54 | #Returns:\r | |
| 55 | #\r | |
| 56 | # Operand * 10 ^ Power\r | |
| 57 | #\r | |
| 58 | #--*/\r | |
| 59 | ASM_PFX(Power10U64):\r | |
| 60 | pushl %ebp\r | |
| 61 | movl %esp, %ebp\r | |
| 62 | movl 8(%ebp), %eax # dword ptr Operand[0]\r | |
| 63 | movl 0xC(%ebp), %edx # dword ptr Operand[4]\r | |
| 64 | movl 0x10(%ebp), %ecx #Power\r | |
| 65 | jcxz _Power10U64_Done\r | |
| 66 | \r | |
| 67 | _Power10U64_Wend: \r | |
| 3e99020d | 68 | pushl %ecx\r |
| b341712e | 69 | pushl $10\r |
| 70 | push 0xC(%ebp)\r | |
| 71 | push 0x8(%ebp)\r | |
| 72 | call ASM_PFX(MultU64x32)\r | |
| 73 | addl $0xc, %esp\r | |
| 3e99020d | 74 | popl %ecx\r |
| b341712e | 75 | movl %eax, 8(%ebp) # dword ptr Operand[0]\r |
| 76 | movl %edx, 0xC(%ebp) # dword ptr Operand[4]\r | |
| 77 | loopl _Power10U64_Wend\r | |
| 78 | \r | |
| 79 | _Power10U64_Done: \r | |
| 80 | \r | |
| 81 | popl %ebp\r | |
| 82 | ret\r | |
| 83 | #Power10U64 ENDP\r | |
| 84 | \r |