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comparison packages/hal/powerpc/arch/current/src/ppc_stub.c @ 208:e0c0827131d1 ecos

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Merge from eCos master repository on 2002-05-20-20:11:54-BST
author jlarmour
date Mon, 20 May 2002 22:19:26 +0000
parents 25e238959bae
children d2c90368aeef
comparison
equal deleted inserted replaced
207:74c807ddde34 208:e0c0827131d1
3 // ppc_stub.c 3 // ppc_stub.c
4 // 4 //
5 // Helper functions for stub, generic to all PowerPC processors 5 // Helper functions for stub, generic to all PowerPC processors
6 // 6 //
7 //======================================================================== 7 //========================================================================
8 //####COPYRIGHTBEGIN#### 8 //####ECOSGPLCOPYRIGHTBEGIN####
9 // 9 // -------------------------------------------
10 // ------------------------------------------- 10 // This file is part of eCos, the Embedded Configurable Operating System.
11 // The contents of this file are subject to the Red Hat eCos Public License 11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
12 // Version 1.1 (the "License"); you may not use this file except in 12 //
13 // compliance with the License. You may obtain a copy of the License at 13 // eCos is free software; you can redistribute it and/or modify it under
14 // http://www.redhat.com/ 14 // the terms of the GNU General Public License as published by the Free
15 // 15 // Software Foundation; either version 2 or (at your option) any later version.
16 // Software distributed under the License is distributed on an "AS IS" 16 //
17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the 17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
18 // License for the specific language governing rights and limitations under 18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
19 // the License. 19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
20 // 20 // for more details.
21 // The Original Code is eCos - Embedded Configurable Operating System, 21 //
22 // released September 30, 1998. 22 // You should have received a copy of the GNU General Public License along
23 // 23 // with eCos; if not, write to the Free Software Foundation, Inc.,
24 // The Initial Developer of the Original Code is Red Hat. 24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
25 // Portions created by Red Hat are 25 //
26 // Copyright (C) 1998, 1999, 2000, 2001 Red Hat, Inc. 26 // As a special exception, if other files instantiate templates or use macros
27 // All Rights Reserved. 27 // or inline functions from this file, or you compile this file and link it
28 // ------------------------------------------- 28 // with other works to produce a work based on this file, this file does not
29 // 29 // by itself cause the resulting work to be covered by the GNU General Public
30 //####COPYRIGHTEND#### 30 // License. However the source code for this file must still be made available
31 // in accordance with section (3) of the GNU General Public License.
32 //
33 // This exception does not invalidate any other reasons why a work based on
34 // this file might be covered by the GNU General Public License.
35 //
36 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
37 // at http://sources.redhat.com/ecos/ecos-license
38 // -------------------------------------------
39 //####ECOSGPLCOPYRIGHTEND####
31 //======================================================================== 40 //========================================================================
32 //#####DESCRIPTIONBEGIN#### 41 //#####DESCRIPTIONBEGIN####
33 // 42 //
34 // Author(s): Red Hat, jskov 43 // Author(s): Red Hat, jskov
35 // Contributors: Red Hat, jskov, gthomas 44 // Contributors: Red Hat, jskov, gthomas
132 141
133 case CYGNUM_HAL_VECTOR_SYSTEM_CALL: 142 case CYGNUM_HAL_VECTOR_SYSTEM_CALL:
134 /* System call */ 143 /* System call */
135 return SIGSYS; 144 return SIGSYS;
136 145
137 #if defined(CYGPKG_HAL_POWERPC_MPC8xx) 146 #if defined(CYGPKG_HAL_POWERPC_MPC8xx) || defined(CYGPKG_HAL_POWERPC_MPC5xx)
138 case CYGNUM_HAL_VECTOR_SW_EMUL: 147 case CYGNUM_HAL_VECTOR_SW_EMUL:
139 /* A SW_EMUL is generated instead of PROGRAM for illegal 148 /* A SW_EMUL is generated instead of PROGRAM for illegal
140 instructions. */ 149 instructions. */
141 return SIGILL; 150 return SIGILL;
142 151
145 case CYGNUM_HAL_VECTOR_PERIPHERAL_BP: 154 case CYGNUM_HAL_VECTOR_PERIPHERAL_BP:
146 case CYGNUM_HAL_VECTOR_NMI: 155 case CYGNUM_HAL_VECTOR_NMI:
147 /* Developer port debugging exceptions. */ 156 /* Developer port debugging exceptions. */
148 return SIGTRAP; 157 return SIGTRAP;
149 158
159 #if defined(CYGNUM_HAL_VECTOR_ITLB_MISS)
150 case CYGNUM_HAL_VECTOR_ITLB_MISS: 160 case CYGNUM_HAL_VECTOR_ITLB_MISS:
161 /* Software reload of TLB required. */
162 return SIGTRAP;
163 #endif
164 #if defined(CYGNUM_HAL_VECTOR_DTLB_MISS)
151 case CYGNUM_HAL_VECTOR_DTLB_MISS: 165 case CYGNUM_HAL_VECTOR_DTLB_MISS:
152 /* Software reload of TLB required. */ 166 /* Software reload of TLB required. */
153 return SIGTRAP; 167 return SIGTRAP;
154 168 #endif
155 case CYGNUM_HAL_VECTOR_ITLB_ERROR: 169 case CYGNUM_HAL_VECTOR_ITLB_ERROR:
156 /* Invalid instruction access. */ 170 /* Invalid instruction access. */
157 return SIGBUS; 171 return SIGBUS;
158 172
159 case CYGNUM_HAL_VECTOR_DTLB_ERROR: 173 case CYGNUM_HAL_VECTOR_DTLB_ERROR: