| 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 | # sim-pgcrtinit.s  | 
|---|
| 31 | # | 
|---|
| 32 | # Default second stage of C run-time initialization for use with software | 
|---|
| 33 | # intrusive profiling. Does not peform BSS initialization to zero.  | 
|---|
| 34 | # (Typical use is on a simulator) | 
|---|
| 35 | #     | 
|---|
| 36 |  | 
|---|
| 37 |         .globl _crtinit | 
|---|
| 38 |         .align 2 | 
|---|
| 39 |         .ent _crtinit | 
|---|
| 40 |  | 
|---|
| 41 | _crtinit: | 
|---|
| 42 |         addi    r1, r1, -20                     /* Save Link register    */ | 
|---|
| 43 |         swi     r15, r1, 0 | 
|---|
| 44 |  | 
|---|
| 45 |         brlid   r15, _program_init              /* Initialize the program */ | 
|---|
| 46 |         nop | 
|---|
| 47 |  | 
|---|
| 48 |         brlid   r15, _profile_init              /* Initialize profiling library */ | 
|---|
| 49 |         nop | 
|---|
| 50 |  | 
|---|
| 51 |         brlid   r15, __init                     /* Invoke language initialization functions */ | 
|---|
| 52 |         nop | 
|---|
| 53 |      | 
|---|
| 54 |         addi    r6, r0, 0                       /* Initialize argc = 1 and argv = NULL and envp = NULL  */ | 
|---|
| 55 |         addi    r7, r0, 0                        | 
|---|
| 56 |         brlid   r15, main                       /* Execute the program */ | 
|---|
| 57 |         addi    r5, r0, 0                        | 
|---|
| 58 |  | 
|---|
| 59 |         brlid   r15, __fini                     /* Invoke language cleanup functions */ | 
|---|
| 60 |         nop | 
|---|
| 61 |  | 
|---|
| 62 |         brlid   r15, _profile_clean             /* Cleanup profiling library */ | 
|---|
| 63 |         nop | 
|---|
| 64 |      | 
|---|
| 65 |         brlid   r15, _program_clean             /* Cleanup the program */ | 
|---|
| 66 |         nop | 
|---|
| 67 |  | 
|---|
| 68 |         lw      r15, r1, r0                     /* Return back to CRT */ | 
|---|
| 69 |         rtsd    r15, 8 | 
|---|
| 70 |         addi    r1, r1, 20 | 
|---|
| 71 |         .end _crtinit | 
|---|
| 72 |  | 
|---|