| 1 | ## Copyright (c) 2001, 2009 Xilinx, Inc. All rights reserved. |
|---|
| 2 | ## |
|---|
| 3 | ## Redistribution and use in source and binary forms, with or without |
|---|
| 4 | ## modification, are permitted provided that the following conditions are |
|---|
| 5 | ## met: |
|---|
| 6 | ## |
|---|
| 7 | ## 1. Redistributions source code must retain the above copyright notice, |
|---|
| 8 | ## this list of conditions and the following disclaimer. |
|---|
| 9 | ## |
|---|
| 10 | ## 2. Redistributions in binary form must reproduce the above copyright |
|---|
| 11 | ## notice, this list of conditions and the following disclaimer in the |
|---|
| 12 | ## documentation and/or other materials provided with the distribution. |
|---|
| 13 | ## |
|---|
| 14 | ## 3. Neither the name of Xilinx nor the names of its contributors may be |
|---|
| 15 | ## used to endorse or promote products derived from this software without |
|---|
| 16 | ## specific prior written permission. |
|---|
| 17 | ## |
|---|
| 18 | ## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS "AS |
|---|
| 19 | ## IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
|---|
| 20 | ## TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A |
|---|
| 21 | ## PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
|---|
| 22 | ## HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
|---|
| 23 | ## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED |
|---|
| 24 | ## TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
|---|
| 25 | ## PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
|---|
| 26 | ## LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
|---|
| 27 | ## NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
|---|
| 28 | ## SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
|---|
| 29 | |
|---|
| 30 | |
|---|
| 31 | .globl _crtinit |
|---|
| 32 | .align 2 |
|---|
| 33 | .ent _crtinit |
|---|
| 34 | |
|---|
| 35 | _crtinit: |
|---|
| 36 | addi r1, r1, -20 /* Save Link register */ |
|---|
| 37 | swi r15, r1, 0 |
|---|
| 38 | |
|---|
| 39 | addi r6, r0, __sbss_start /* clear SBSS */ |
|---|
| 40 | addi r7, r0, __sbss_end |
|---|
| 41 | rsub r18, r6, r7 |
|---|
| 42 | blei r18, .Lendsbss |
|---|
| 43 | |
|---|
| 44 | .Lloopsbss: |
|---|
| 45 | swi r0, r6, 0 |
|---|
| 46 | addi r6, r6, 4 |
|---|
| 47 | rsub r18, r6, r7 |
|---|
| 48 | bgti r18, .Lloopsbss |
|---|
| 49 | .Lendsbss: |
|---|
| 50 | |
|---|
| 51 | addi r6, r0, __bss_start /* clear BSS */ |
|---|
| 52 | addi r7, r0, __bss_end |
|---|
| 53 | rsub r18, r6, r7 |
|---|
| 54 | blei r18, .Lendbss |
|---|
| 55 | .Lloopbss: |
|---|
| 56 | swi r0, r6, 0 |
|---|
| 57 | addi r6, r6, 4 |
|---|
| 58 | rsub r18, r6, r7 |
|---|
| 59 | bgti r18, .Lloopbss |
|---|
| 60 | .Lendbss: |
|---|
| 61 | |
|---|
| 62 | brlid r15, _program_init /* Initialize the program */ |
|---|
| 63 | nop |
|---|
| 64 | |
|---|
| 65 | brlid r15, _profile_init /* Initialize profiling library */ |
|---|
| 66 | nop |
|---|
| 67 | |
|---|
| 68 | brlid r15, __init /* Invoke language initialization functions */ |
|---|
| 69 | nop |
|---|
| 70 | |
|---|
| 71 | addi r6, r0, 0 /* Initialize argc = 1 and argv = NULL and envp = NULL */ |
|---|
| 72 | addi r7, r0, 0 |
|---|
| 73 | brlid r15, main /* Execute the program */ |
|---|
| 74 | addi r5, r0, 0 |
|---|
| 75 | |
|---|
| 76 | addik r19, r3, 0 /* Save return value */ |
|---|
| 77 | |
|---|
| 78 | brlid r15, __fini /* Invoke language cleanup functions */ |
|---|
| 79 | nop |
|---|
| 80 | |
|---|
| 81 | brlid r15, _profile_clean /* Cleanup profiling library */ |
|---|
| 82 | nop |
|---|
| 83 | |
|---|
| 84 | brlid r15, _program_clean /* Cleanup the program */ |
|---|
| 85 | nop |
|---|
| 86 | |
|---|
| 87 | lw r15, r1, r0 /* Return back to CRT */ |
|---|
| 88 | addik r3, r19, 0 /* Restore return value */ |
|---|
| 89 | rtsd r15, 8 |
|---|
| 90 | addi r1, r1, 20 |
|---|
| 91 | .end _crtinit |
|---|
| 92 | |
|---|
