projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 97f98500 HT |
1 | #------------------------------------------------------------------------------\r |
| 2 | #\r | |
| 3 | # Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>\r | |
| 4 | # This program and the accompanying materials\r | |
| 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 | # MathMultS64x64.S\r | |
| 15 | #\r | |
| 16 | # Abstract:\r | |
| 17 | #\r | |
| 18 | # 64-bit Math Worker Function.\r | |
| 19 | # Multiplies a 64-bit signed or unsigned value by a 64-bit signed or unsigned value\r | |
| 20 | # and returns a 64-bit result\r | |
| 21 | #\r | |
| 22 | #------------------------------------------------------------------------------\r | |
| 23 | \r | |
| 24 | .686:\r | |
| 25 | .code:\r | |
| 26 | \r | |
| 27 | ASM_GLOBAL ASM_PFX(_mulll), ASM_PFX(MultS64x64)\r | |
| 28 | \r | |
| 29 | #------------------------------------------------------------------------------\r | |
| 30 | #\r | |
| 31 | # void __cdecl __mulll (void)\r | |
| 32 | #\r | |
| 33 | #------------------------------------------------------------------------------\r | |
| 34 | ASM_PFX(__mulll):\r | |
| 35 | # Original local stack when calling __mulll\r | |
| 36 | # -----------------\r | |
| 37 | # | |\r | |
| 38 | # |---------------|\r | |
| 39 | # | |\r | |
| 40 | # |--Multiplier --|\r | |
| 41 | # | |\r | |
| 42 | # |---------------|\r | |
| 43 | # | |\r | |
| 44 | # |--Multiplicand-|\r | |
| 45 | # | |\r | |
| 46 | # |---------------|\r | |
| 47 | # | ReturnAddr** |\r | |
| 48 | # ESP---->|---------------|\r | |
| 49 | #\r | |
| 50 | \r | |
| 51 | #\r | |
| 52 | # Set up the local stack for Multiplicand parameter\r | |
| 53 | #\r | |
| 54 | movl 16(%esp), %eax\r | |
| 55 | push %eax\r | |
| 56 | movl 16(%esp), %eax\r | |
| 57 | push %eax\r | |
| 58 | \r | |
| 59 | #\r | |
| 60 | # Set up the local stack for Multiplier parameter\r | |
| 61 | #\r | |
| 62 | movl 16(%esp), %eax\r | |
| 63 | push %eax\r | |
| 64 | movl 16(%esp), %eax\r | |
| 65 | push %eax\r | |
| 66 | \r | |
| 67 | #\r | |
| 68 | # Call native MulS64x64 of BaseLib\r | |
| 69 | #\r | |
| 70 | jmp ASM_PFX(MultS64x64)\r | |
| 71 | \r | |
| 72 | #\r | |
| 73 | # Adjust stack\r | |
| 74 | #\r | |
| 75 | add $16, %esp\r | |
| 76 | \r | |
| 77 | ret $16\r |