git://sourceware.org / newlib-cygwin.git / blame
| Commit | Line | Data |
|---|---|---|
| 4606798e JJ |
1 | /* crt0.S for the TI C6X series of processors |
| 2 | ||
| 3 | Copyright (c) 2010 CodeSourcery, Inc. | |
| 4 | All rights reserved. | |
| 5 | ||
| 6 | Redistribution and use in source and binary forms, with or without | |
| 7 | modification, are permitted provided that the following conditions are met: | |
| 8 | * Redistributions of source code must retain the above copyright | |
| 9 | notice, this list of conditions and the following disclaimer. | |
| 10 | * 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 | * Neither the name of CodeSourcery nor the | |
| 14 | names of its contributors may be used to endorse or promote products | |
| 15 | derived from this software without specific prior written permission. | |
| 16 | ||
| 17 | THIS SOFTWARE IS PROVIDED BY CODESOURCERY, INC. ``AS IS'' AND ANY | |
| 18 | EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 19 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 20 | PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CODESOURCERY BE LIABLE | |
| 21 | FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 22 | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT | |
| 23 | OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR | |
| 24 | BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
| 25 | LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 26 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE | |
| 27 | USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH | |
| 28 | DAMAGE. */ | |
| 29 | ||
| 30 | .text | |
| 31 | .align 2 | |
| 32 | ||
| 33 | .global _start | |
| 34 | _start: | |
| 35 | /* Start by setting up a stack */ | |
| 36 | mvkl .s2 _STACK_START - 4, B15 | |
| 37 | mvkh .s2 _STACK_START - 4, B15 | |
| 38 | and .s2 -8, B15, B15 | |
| 39 | ||
| 40 | mvkl .s2 __c6xabi_DSBT_BASE, B14 | |
| 41 | mvkh .s2 __c6xabi_DSBT_BASE, B14 | |
| 42 | ||
| 43 | #ifdef __DSBT__ | |
| 44 | stw .d2t2 B14, *B14 | |
| 45 | #endif | |
| 46 | /* Zero the memory in the .bss section. */ | |
| 47 | ||
| 48 | /* Set up GOT pointer. */ | |
| 49 | ||
| 50 | mvkl .s2 1f, B3 | |
| 51 | mvkh .s2 1f, B3 | |
| 52 | call .s2 _init | |
| 53 | nop 5 | |
| 54 | 1: | |
| 55 | ||
| 56 | mvkl .s2 1f, B3 | |
| 57 | mvkh .s2 1f, B3 | |
| 58 | call .s2 main | |
| 59 | nop 5 | |
| 60 | 1: | |
| 61 | ||
| 62 | b .s2 exit | |
| 63 | nop 5 |