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1 | //------------------------------------------------------------------------------\r |
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2 | //\r |
| 3 | // Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r |
| 4 | //\r |
| 5 | // This program and the accompanying materials\r |
| 6 | // are licensed and made available under the terms and conditions of the BSD License\r |
| 7 | // which accompanies this distribution. The full text of the license may be found at\r |
| 8 | // http://opensource.org/licenses/bsd-license.php\r |
| 9 | //\r |
| 10 | // THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
| 11 | // WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
| 12 | //\r |
| 13 | //------------------------------------------------------------------------------\r |
| 14 | \r |
| 15 | \r |
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16 | EXTERN __aeabi_uldivmod\r |
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17 | \r |
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18 | INCLUDE AsmMacroExport.inc\r |
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19 | \r |
| 20 | ;\r |
| 21 | ;UINT32\r |
| 22 | ;EFIAPI\r |
| 23 | ;__aeabi_uidivmode (\r |
| 24 | ; IN UINT32 Dividen\r |
| 25 | ; IN UINT32 Divisor\r |
| 26 | ; );\r |
| 27 | ;\r |
| 28 | \r |
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29 | RVCT_ASM_EXPORT __aeabi_ldivmod\r |
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30 | PUSH {r4,lr}\r |
| 31 | ASRS r4,r1,#1\r |
| 32 | EOR r4,r4,r3,LSR #1\r |
| 33 | BPL L_Test1\r |
| 34 | RSBS r0,r0,#0\r |
| 35 | RSC r1,r1,#0\r |
| 36 | L_Test1\r |
| 37 | TST r3,r3\r |
| 38 | BPL L_Test2\r |
| 39 | RSBS r2,r2,#0\r |
| 40 | RSC r3,r3,#0\r |
| 41 | L_Test2\r |
| 42 | BL __aeabi_uldivmod ;\r |
| 43 | TST r4,#0x40000000\r |
| 44 | BEQ L_Test3\r |
| 45 | RSBS r0,r0,#0\r |
| 46 | RSC r1,r1,#0\r |
| 47 | L_Test3\r |
| 48 | TST r4,#0x80000000\r |
| 49 | BEQ L_Exit\r |
| 50 | RSBS r2,r2,#0\r |
| 51 | RSC r3,r3,#0\r |
| 52 | L_Exit\r |
| 53 | POP {r4,pc}\r |
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54 | \r |
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55 | END\r |
| 56 | \r |
| 57 | \r |
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