| /* crt0.S for the TI C6X series of processors |
| |
| Copyright (c) 2010 CodeSourcery, Inc. |
| All rights reserved. |
| |
| Redistribution and use in source and binary forms, with or without |
| modification, are permitted provided that the following conditions are met: |
| * Redistributions of source code must retain the above copyright |
| notice, this list of conditions and the following disclaimer. |
| * Redistributions in binary form must reproduce the above copyright |
| notice, this list of conditions and the following disclaimer in the |
| documentation and/or other materials provided with the distribution. |
| * Neither the name of CodeSourcery nor the |
| names of its contributors may be used to endorse or promote products |
| derived from this software without specific prior written permission. |
| |
| THIS SOFTWARE IS PROVIDED BY CODESOURCERY, INC. ``AS IS'' AND ANY |
| EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CODESOURCERY BE LIABLE |
| FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT |
| OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE |
| USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH |
| DAMAGE. */ |
| |
| .text |
| .align 2 |
| |
| .global _start |
| _start: |
| /* Start by setting up a stack */ |
| mvkl .s2 _STACK_START - 4, B15 |
| mvkh .s2 _STACK_START - 4, B15 |
| and .s2 -8, B15, B15 |
| |
| mvkl .s2 __c6xabi_DSBT_BASE, B14 |
| mvkh .s2 __c6xabi_DSBT_BASE, B14 |
| |
| #ifdef __DSBT__ |
| stw .d2t2 B14, *B14 |
| #endif |
| /* Zero the memory in the .bss section. */ |
| |
| /* Set up GOT pointer. */ |
| |
| mvkl .s2 1f, B3 |
| mvkh .s2 1f, B3 |
| call .s2 _init |
| nop 5 |
| 1: |
| |
| mvkl .s2 1f, B3 |
| mvkh .s2 1f, B3 |
| call .s2 main |
| nop 5 |
| 1: |
| |
| b .s2 exit |
| nop 5 |
