source: rtems/bsps/powerpc/include/libcpu/vectors.h @ abc2164

5
Last change on this file since abc2164 was abc2164, checked in by Sebastian Huber <sebastian.huber@…>, on Feb 7, 2018 at 8:23:49 AM

bsps/powerpc: Fix redefinitions

  • Property mode set to 100644
File size: 1.6 KB
Line 
1/*
2 * vectors.h Exception frame related contant and API.
3 *
4 *  This include file describe the data structure and the functions implemented
5 *  by rtems to handle exceptions.
6 *
7 *
8 *  MPC5xx port sponsored by Defence Research and Development Canada - Suffield
9 *  Copyright (C) 2004, Real-Time Systems Inc. (querbach@realtime.bc.ca)
10 *
11 *  Derived from libbsp/powerpc/mbx8xx/vectors/vectors.h:
12 *
13 *  CopyRight (C) 1999 valette@crf.canon.fr
14 *
15 *  The license and distribution terms for this file may be
16 *  found in the file LICENSE in this distribution or at
17 *  http://www.rtems.org/license/LICENSE.
18 */
19#ifndef _LIBCPU_VECTORS_H
20#define _LIBCPU_VECTORS_H
21
22#include <bsp/vectors.h>
23
24/*
25 * Size of hardware vector table.
26 */
27#define NUM_EXCEPTIONS          0x20
28
29#ifndef ASM
30
31/*
32 * default raw exception handlers
33 */
34
35extern  void default_exception_vector_code_prolog(void);
36extern  int  default_exception_vector_code_prolog_size;
37extern  void initialize_exceptions(void);
38
39typedef void rtems_exception_handler_t (CPU_Exception_frame* excPtr);
40
41/*
42 * Exception handler table.
43 *
44 * This table contains pointers to assembly-language exception handlers.
45 * The common exception prologue in vectors.S looks up an entry in this
46 * table and jumps to it.  No return address is saved, so the handlers in
47 * this table must return directly to the interrupted code.
48 *
49 * On entry to an exception handler, R1 points to a new exception stack
50 * frame in which R3, R4, and LR have been saved.  R4 holds the exception
51 * number.
52 */
53extern rtems_exception_handler_t* exception_handler_table[NUM_EXCEPTIONS];
54
55#endif /* ASM */
56
57#endif /* _LIBCPU_VECTORS_H */
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