Mercurial > ecos

annotate packages/hal/common/current/src/hal_misc.c @ 210:d2c90368aeef

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Merge from eCos master repository on 2002-05-23-21:39:14-BST
author jlarmour
date Thu, 23 May 2002 22:59:51 +0000
parents e0c0827131d1
children 22d7a1b27981
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
1 //==========================================================================
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
2 //
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
3 // hal_misc.c
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
4 //
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
5 // Common HAL miscellaneous functions
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
6 //
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
7 //==========================================================================
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 199
diff changeset
8 //####ECOSGPLCOPYRIGHTBEGIN####
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 199
diff changeset
9 // -------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 199
diff changeset
10 // This file is part of eCos, the Embedded Configurable Operating System.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 199
diff changeset
11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 199
diff changeset
12 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 199
diff changeset
13 // eCos is free software; you can redistribute it and/or modify it under
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 199
diff changeset
14 // the terms of the GNU General Public License as published by the Free
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 199
diff changeset
15 // Software Foundation; either version 2 or (at your option) any later version.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 199
diff changeset
16 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 199
diff changeset
17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 199
diff changeset
18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 199
diff changeset
19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 199
diff changeset
20 // for more details.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 199
diff changeset
21 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 199
diff changeset
22 // You should have received a copy of the GNU General Public License along
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 199
diff changeset
23 // with eCos; if not, write to the Free Software Foundation, Inc.,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 199
diff changeset
24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 199
diff changeset
25 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 199
diff changeset
26 // As a special exception, if other files instantiate templates or use macros
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 199
diff changeset
27 // or inline functions from this file, or you compile this file and link it
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 199
diff changeset
28 // with other works to produce a work based on this file, this file does not
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 199
diff changeset
29 // by itself cause the resulting work to be covered by the GNU General Public
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 199
diff changeset
30 // License. However the source code for this file must still be made available
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 199
diff changeset
31 // in accordance with section (3) of the GNU General Public License.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 199
diff changeset
32 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 199
diff changeset
33 // This exception does not invalidate any other reasons why a work based on
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 199
diff changeset
34 // this file might be covered by the GNU General Public License.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 199
diff changeset
35 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 199
diff changeset
36 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
210
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST
jlarmour
parents: 208
diff changeset
37 // at http://sources.redhat.com/ecos/ecos-license/
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 199
diff changeset
38 // -------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 199
diff changeset
39 //####ECOSGPLCOPYRIGHTEND####
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
40 //==========================================================================
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
41 //#####DESCRIPTIONBEGIN####
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
42 //
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
43 // Author(s): nickg
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
44 // Contributors: nickg, jskov
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
45 // Date: 2000-06-08
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
46 // Purpose: HAL miscellaneous functions
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
47 // Description: This file contains miscellaneous functions provided by the
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
48 // HAL.
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
49 //
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
50 //####DESCRIPTIONEND####
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
51 //
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
52 //========================================================================*/
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
53
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
54 #include <pkgconf/hal.h>
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
55
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
56 #include <cyg/hal/hal_arch.h>
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
57 #include <cyg/hal/hal_if.h>
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
58
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
59 #include <cyg/hal/hal_intr.h>
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
60 #include <cyg/hal/hal_misc.h> // our header
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
61
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
62 #include <cyg/infra/cyg_type.h> // Base types
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
63 #include <cyg/infra/cyg_trac.h> // tracing macros
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
64 #include <cyg/infra/cyg_ass.h> // assertion macros
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
65
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
66 //--------------------------------------------------------------------------
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
67
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
68 //--------------------------------------------------------------------------
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
69 // Macro for finding return address.
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
70 #ifndef CYGARC_HAL_GET_RETURN_ADDRESS
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
71
199
920b9b754b53 Merge from eCos master repository on 2001-12-15-12:00:33-GMT
jlarmour
parents: 156
diff changeset
72 #define CYGARC_HAL_GET_RETURN_ADDRESS(_x_, _dummy_) \
920b9b754b53 Merge from eCos master repository on 2001-12-15-12:00:33-GMT
jlarmour
parents: 156
diff changeset
73 CYG_MACRO_START \
920b9b754b53 Merge from eCos master repository on 2001-12-15-12:00:33-GMT
jlarmour
parents: 156
diff changeset
74 (_dummy_) = 1; \
920b9b754b53 Merge from eCos master repository on 2001-12-15-12:00:33-GMT
jlarmour
parents: 156
diff changeset
75 (_x_) = (CYG_ADDRWORD)&&__backup_return_address; \
920b9b754b53 Merge from eCos master repository on 2001-12-15-12:00:33-GMT
jlarmour
parents: 156
diff changeset
76 CYG_MACRO_END
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
77
199
920b9b754b53 Merge from eCos master repository on 2001-12-15-12:00:33-GMT
jlarmour
parents: 156
diff changeset
78 #define CYGARC_HAL_GET_RETURN_ADDRESS_BACKUP(_dummy_) \
920b9b754b53 Merge from eCos master repository on 2001-12-15-12:00:33-GMT
jlarmour
parents: 156
diff changeset
79 CYG_MACRO_START \
920b9b754b53 Merge from eCos master repository on 2001-12-15-12:00:33-GMT
jlarmour
parents: 156
diff changeset
80 __backup_return_address: \
920b9b754b53 Merge from eCos master repository on 2001-12-15-12:00:33-GMT
jlarmour
parents: 156
diff changeset
81 if ((_dummy_)-- > 0) \
920b9b754b53 Merge from eCos master repository on 2001-12-15-12:00:33-GMT
jlarmour
parents: 156
diff changeset
82 goto __backup_return_address; \
920b9b754b53 Merge from eCos master repository on 2001-12-15-12:00:33-GMT
jlarmour
parents: 156
diff changeset
83 CYG_MACRO_END
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
84 #endif
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
85
156
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents: 151
diff changeset
86 //--------------------------------------------------------------------------
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents: 151
diff changeset
87 // Macro for finding PC in saved regs
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents: 151
diff changeset
88 #ifndef CYGARC_HAL_GET_PC_REG
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents: 151
diff changeset
89 #define CYGARC_HAL_GET_PC_REG(_regs_,_val_) ((_val_) = (_regs_)->pc)
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents: 151
diff changeset
90 #endif
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents: 151
diff changeset
91
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 112
diff changeset
92 #if defined(CYGPKG_CYGMON)
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 112
diff changeset
93 unsigned long cygmon_memsize = 0;
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 112
diff changeset
94 #endif
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 112
diff changeset
95
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
96 //--------------------------------------------------------------------------
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
97 // Functions to support the detection and execution of a user provoked
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
98 // program break. These are usually called from interrupt routines.
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
99
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
100 cyg_bool
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
101 cyg_hal_is_break(char *buf, int size)
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
102 {
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
103 while( size )
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
104 if( buf[--size] == 0x03 ) return true;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
105
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
106 return false;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
107 }
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
108
199
920b9b754b53 Merge from eCos master repository on 2001-12-15-12:00:33-GMT
jlarmour
parents: 156
diff changeset
109 // Keep this variable global, to prevent the compiler removing it (and
920b9b754b53 Merge from eCos master repository on 2001-12-15-12:00:33-GMT
jlarmour
parents: 156
diff changeset
110 // the goto-reference) due to being local to the function where it is
920b9b754b53 Merge from eCos master repository on 2001-12-15-12:00:33-GMT
jlarmour
parents: 156
diff changeset
111 // used. Yes, it's ugly.
920b9b754b53 Merge from eCos master repository on 2001-12-15-12:00:33-GMT
jlarmour
parents: 156
diff changeset
112 int _cyg_hal_compiler_dummy;
920b9b754b53 Merge from eCos master repository on 2001-12-15-12:00:33-GMT
jlarmour
parents: 156
diff changeset
113
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
114 void
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
115 cyg_hal_user_break( CYG_ADDRWORD *regs )
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
116 {
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
117 #if defined(CYGSEM_HAL_USE_ROM_MONITOR_GDB_stubs) \
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
118 || defined(CYGSEM_HAL_USE_ROM_MONITOR_CygMon) \
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
119 || defined(CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS)
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
120
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
121 CYG_ADDRWORD __ra;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
122 CYG_WORD32 __pc;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
123 HAL_SavedRegisters *sreg = (HAL_SavedRegisters *)regs;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
124
199
920b9b754b53 Merge from eCos master repository on 2001-12-15-12:00:33-GMT
jlarmour
parents: 156
diff changeset
125 CYGARC_HAL_GET_RETURN_ADDRESS(__ra, _cyg_hal_compiler_dummy);
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
126
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
127 if( regs == NULL ) __pc = __ra;
156
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents: 151
diff changeset
128 else CYGARC_HAL_GET_PC_REG(sreg, __pc);
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
129
107
7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST
jlarmour
parents: 105
diff changeset
130 CYGACC_CALL_IF_INSTALL_BPT_FN((void *)__pc);
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
131
199
920b9b754b53 Merge from eCos master repository on 2001-12-15-12:00:33-GMT
jlarmour
parents: 156
diff changeset
132 CYGARC_HAL_GET_RETURN_ADDRESS_BACKUP(_cyg_hal_compiler_dummy);
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
133
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
134 #else
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
135
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
136 HAL_BREAKPOINT(breakinst);
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
137
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
138 #endif
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
139 }
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
140
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
141
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
142 //--------------------------------------------------------------------------
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
143 // The system default interrupt ISR. It calls the architecture default
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
144 // ISR as well if necessary.
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
145 externC cyg_uint32 hal_arch_default_isr(CYG_ADDRWORD vector,
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
146 CYG_ADDRWORD data);
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
147
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
148 cyg_uint32
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
149 hal_default_isr(CYG_ADDRWORD vector, CYG_ADDRWORD data)
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
150 {
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
151 cyg_uint32 result;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
152
105
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 101
diff changeset
153 #if (defined(CYGDBG_HAL_DEBUG_GDB_CTRLC_SUPPORT) \
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 101
diff changeset
154 || defined(CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT)) && \
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 101
diff changeset
155 (defined(CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT) || \
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 101
diff changeset
156 defined(CYGHWR_HAL_GDB_PORT_VECTOR) && \
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 101
diff changeset
157 defined(HAL_CTRLC_ISR))
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
158
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
159 #ifndef CYGIMP_HAL_COMMON_INTERRUPTS_CHAIN
105
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 101
diff changeset
160 #if CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 101
diff changeset
161 int gdb_vector = -1;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 101
diff changeset
162 // This check only to avoid crash on older stubs in case of unhandled
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 101
diff changeset
163 // interrupts. It is a bit messy, but required in a transition period.
138
289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT
jlarmour
parents: 115
diff changeset
164 #ifndef CYGSEM_HAL_ROM_MONITOR
151
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT
jlarmour
parents: 138
diff changeset
165 if (CYGNUM_CALL_IF_TABLE_VERSION_CALL_HACK ==
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT
jlarmour
parents: 138
diff changeset
166 (CYGACC_CALL_IF_VERSION() & CYGNUM_CALL_IF_TABLE_VERSION_CALL_MASK))
138
289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT
jlarmour
parents: 115
diff changeset
167 #endif
289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT
jlarmour
parents: 115
diff changeset
168 {
151
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT
jlarmour
parents: 138
diff changeset
169 hal_virtual_comm_table_t* __chan = CYGACC_CALL_IF_DEBUG_PROCS();
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT
jlarmour
parents: 138
diff changeset
170 if (__chan)
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT
jlarmour
parents: 138
diff changeset
171 gdb_vector = CYGACC_COMM_IF_CONTROL(*__chan, __COMMCTL_DBG_ISR_VECTOR);
105
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 101
diff changeset
172 }
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 101
diff changeset
173 if( vector == gdb_vector )
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 101
diff changeset
174 #else
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 101
diff changeset
175 // Old code using hardwired channels. This should go away eventually.
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
176 if( vector == CYGHWR_HAL_GDB_PORT_VECTOR )
105
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 101
diff changeset
177 #endif
151
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT
jlarmour
parents: 138
diff changeset
178 #endif
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
179 {
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
180 result = HAL_CTRLC_ISR( vector, data );
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
181 if( 0 != result ) return result;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
182 }
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
183 #endif
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
184
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
185 result = hal_arch_default_isr (vector, data);
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
186 if( 0 != result) return result;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
187
105
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 101
diff changeset
188 CYG_TRACE2(true, "Interrupt: %d, Data: 0x%08x", vector, data);
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
189 CYG_FAIL("Spurious Interrupt!!!");
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
190 return 0;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
191 }
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
192
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
193
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
194 //--------------------------------------------------------------------------
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents:
diff changeset
195 // End of hal_misc.c