1 /* Copyright (c) 2001, 2009 Xilinx, Inc. All rights reserved.
3 Redistribution and use in source and binary forms, with or without
4 modification, are permitted provided that the following conditions are
7 1. Redistributions source code must retain the above copyright notice,
8 this list of conditions and the following disclaimer.
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.
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.
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.
31 MicroBlaze Vector Map for standalone executables that are boot-strapped
33 Address Vector type Label
34 ------- ----------- ------
37 # 0x04 # Reset (-- Don't Care --)
40 # 0x0c # Software Exception _exception_handler
43 # 0x14 # Hardware Interrupt _interrupt_handler
46 # 0x1C # Breakpoint Exception (-- Don't Care --)
49 # 0x24 # Hardware Exception _hw_exception_handler
53 .section .vectors.sw_exception, "ax"
56 brai _exception_handler
58 .section .vectors.interrupt, "ax"
61 brai _interrupt_handler
63 .section .vectors.hw_exception, "ax"
66 brai _hw_exception_handler
72 .type _start, @function
74 la r13, r0, _SDA_BASE_ /* Set the Small Data Anchors and the stack pointer */
75 la r2, r0, _SDA2_BASE_
76 la r1, r0, _stack-16 /* 16 bytes (4 words are needed by crtinit for args and link reg */
78 brlid r15, _crtinit /* Initialize BSS and run program */
81 brlid r15, exit /* Call exit with the return value of main */
84 /* Control does not reach here */
95 .type _exit, @function