Mercurial > flash_v2

annotate packages/hal/mn10300/arch/current/src/hal_misc.c @ 1777:c16341b1bac6 default tip

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
* Added execute permissions to files missed in conversion from CVS
author alexs
date Mon, 12 Oct 2009 02:26:09 +0100
parents e0a4e3b20d73
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
1 /*==========================================================================
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
2 //
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
3 // hal_misc.c
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
4 //
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
5 // HAL miscellaneous functions
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
6 //
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
7 //==========================================================================
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 196
diff changeset
8 //####ECOSGPLCOPYRIGHTBEGIN####
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 196
diff changeset
9 // -------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 196
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: 196
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: 196
diff changeset
12 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 196
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: 196
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: 196
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: 196
diff changeset
16 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 196
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: 196
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: 196
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: 196
diff changeset
20 // for more details.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 196
diff changeset
21 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 196
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: 196
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: 196
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: 196
diff changeset
25 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 196
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: 196
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: 196
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: 196
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: 196
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: 196
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: 196
diff changeset
32 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 196
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: 196
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: 196
diff changeset
35 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 196
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: 196
diff changeset
38 // -------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 196
diff changeset
39 //####ECOSGPLCOPYRIGHTEND####
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
40 //==========================================================================
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
41 //#####DESCRIPTIONBEGIN####
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
42 //
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
43 // Author(s): nickg
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
44 // Contributors: nickg, jlarmour, dmoseley
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
45 // Date: 1999-02-18
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
46 // Purpose: HAL miscellaneous functions
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
47 // Description: This file contains miscellaneous functions provided by the
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
48 // HAL.
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
49 //
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
50 //####DESCRIPTIONEND####
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
51 //
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
52 //========================================================================*/
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
53
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
54 #include <pkgconf/hal.h>
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
55
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
56 #include <cyg/infra/cyg_type.h>
30
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
57 #include <cyg/infra/cyg_trac.h>
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
58
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
59 #include <cyg/hal/hal_arch.h>
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
60
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
61 #include <cyg/hal/hal_intr.h>
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
62
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
63 #include <cyg/hal/hal_cache.h>
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
64
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
65 #if 0
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
66 void trace( CYG_ADDRWORD tag, CYG_ADDRWORD a1, CYG_ADDRWORD a2)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
67 {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
68 CYG_ADDRWORD **pp = (CYG_ADDRWORD **)0x48100000;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
69 CYG_ADDRWORD *ix = (CYG_ADDRWORD *)0x4810000C;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
70 CYG_ADDRWORD *p = *pp;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
71 *p++ = tag;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
72 *ix = *ix + 1;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
73 *p++ = *ix;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
74 *p++ = a1;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
75 *p++ = a2;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
76 *pp = p;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
77 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
78 #endif
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
79
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
80 /*------------------------------------------------------------------------*/
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
81
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
82 #ifdef CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
83 cyg_bool cyg_hal_stop_constructors;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
84 #endif
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
85
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
86 void
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
87 cyg_hal_invoke_constructors(void)
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
88 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
89 typedef void (*pfunc) (void);
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
90 extern pfunc _CTOR_LIST__[];
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
91 extern pfunc _CTOR_END__[];
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
92
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
93 #ifdef CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
94 static pfunc *p = &_CTOR_END__[-1];
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
95
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
96 cyg_hal_stop_constructors = 0;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
97 for (; p >= _CTOR_LIST__; p--) {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
98 (*p) ();
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
99 if (cyg_hal_stop_constructors) {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
100 p--;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
101 break;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
102 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
103 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
104 #else
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
105 pfunc *p;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
106
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
107 for (p = &_CTOR_END__[-1]; p >= _CTOR_LIST__; p--)
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
108 (*p) ();
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
109 #endif
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
110
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
111 } // cyg_hal_invoke_constructors()
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
112
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
113 /*------------------------------------------------------------------------*/
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
114 /* Determine the index of the ls bit of the supplied mask. */
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
115
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
116 cyg_uint32
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
117 hal_lsbit_index(cyg_uint32 mask)
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
118 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
119 cyg_uint32 n = mask;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
120
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
121 static const signed char tab[64] =
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
122 { -1, 0, 1, 12, 2, 6, 0, 13, 3, 0, 7, 0, 0, 0, 0, 14, 10,
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
123 4, 0, 0, 8, 0, 0, 25, 0, 0, 0, 0, 0, 21, 27 , 15, 31, 11,
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
124 5, 0, 0, 0, 0, 0, 9, 0, 0, 24, 0, 0 , 20, 26, 30, 0, 0, 0,
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
125 0, 23, 0, 19, 29, 0, 22, 18, 28, 17, 16, 0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
126 };
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
127
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
128 n &= ~(n-1UL);
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
129 n = (n<<16)-n;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
130 n = (n<<6)+n;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
131 n = (n<<4)+n;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
132
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
133 return tab[n>>26];
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
134 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
135
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
136 /*------------------------------------------------------------------------*/
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
137 /* Determine the index of the ms bit of the supplied mask. */
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
138
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
139 cyg_uint32
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
140 hal_msbit_index(cyg_uint32 mask)
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
141 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
142 cyg_uint32 x = mask;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
143 cyg_uint32 w;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
144
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
145 /* Phase 1: make word with all ones from that one to the right */
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
146 x |= x >> 16;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
147 x |= x >> 8;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
148 x |= x >> 4;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
149 x |= x >> 2;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
150 x |= x >> 1;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
151
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
152 /* Phase 2: calculate number of "1" bits in the word */
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
153 w = (x & 0x55555555) + ((x >> 1) & 0x55555555);
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
154 w = (w & 0x33333333) + ((w >> 2) & 0x33333333);
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
155 w = w + (w >> 4);
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
156 w = (w & 0x000F000F) + ((w >> 8) & 0x000F000F);
196
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents: 130
diff changeset
157 return (cyg_uint32)((w + (w >> 16)) & 0xFF) - 1;
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
158 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
159
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
160 /*------------------------------------------------------------------------*/
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
161 /* First level C exception handler. */
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
162
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
163 externC void __handle_exception (void);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
164
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
165 externC HAL_SavedRegisters *_hal_registers;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
166
1433
e0a4e3b20d73 Clean up declarations of __mem_fault_handler
gthomas
parents: 210
diff changeset
167 #if defined(CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS)
130
eb9fd8c04db3 Merge from eCos master repository on 2000-10-23-17:01:37-BST
jlarmour
parents: 115
diff changeset
168 externC void* volatile __mem_fault_handler;
1433
e0a4e3b20d73 Clean up declarations of __mem_fault_handler
gthomas
parents: 210
diff changeset
169 #endif
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
170
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
171 externC cyg_uint32
30
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
172 cyg_hal_exception_handler(HAL_SavedRegisters *regs, CYG_WORD32 isr)
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
173 {
30
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
174 CYG_WORD vector = regs->vector;
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
175
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
176 #if defined(CYGNUM_HAL_EXCEPTION_SYSTEM_ERROR) && defined(CYGNUM_HAL_EXCEPTION_JTAG)
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
177 if( vector == CYGNUM_HAL_EXCEPTION_SYSTEM_ERROR )
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
178 {
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
179 // Translate vector number via ISR bits into the full
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
180 // set.
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
181 vector = CYGNUM_HAL_EXCEPTION_JTAG+hal_lsbit_index( isr );
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
182
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
183 regs->vector = vector;
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
184 }
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
185 #endif
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
186
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
187 #ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
188
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
189 // If we caught an exception inside the stubs, see if we were expecting it
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
190 // and if so jump to the saved address
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
191 if (__mem_fault_handler) {
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
192 regs->pc = (CYG_ADDRWORD)__mem_fault_handler;
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
193 return 0; // Caught an exception inside stubs
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
194 }
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
195
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
196 // Set the pointer to the registers of the current exception
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
197 // context. At entry the GDB stub will expand the
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
198 // HAL_SavedRegisters structure into a (bigger) register array.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
199 _hal_registers = regs;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
200
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
201 __handle_exception();
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
202
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
203 #elif defined(CYGFUN_HAL_COMMON_KERNEL_SUPPORT)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
204
32
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST
jlarmour
parents: 30
diff changeset
205 if( vector == CYGNUM_HAL_EXCEPTION_WATCHDOG )
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
206 {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
207 // Special case the watchdog timer exception, look for an
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
208 // ISR for it and call it if present. Otherwise pass on to
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
209 // the exception system.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
210
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
211 cyg_uint32 (*isr)(CYG_ADDRWORD,CYG_ADDRWORD);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
212 cyg_uint32 index;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
213
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
214 HAL_TRANSLATE_VECTOR( CYGNUM_HAL_INTERRUPT_WATCHDOG, index );
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
215
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
216 isr = (cyg_uint32 (*)(CYG_ADDRWORD,CYG_ADDRWORD))
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
217 (hal_interrupt_handlers[index]);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
218
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
219 if( isr != 0 )
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
220 {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
221 isr(CYGNUM_HAL_INTERRUPT_WATCHDOG,
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
222 hal_interrupt_data[CYGNUM_HAL_INTERRUPT_WATCHDOG]
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
223 );
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
224 return 0;
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
225 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
226 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
227
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
228 #if defined(CYGPKG_HAL_EXCEPTIONS)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
229
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
230 // We should decode the vector and pass a more appropriate
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
231 // value as the second argument. For now we simply pass a
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
232 // pointer to the saved registers. We should also divert
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
233 // breakpoint and other debug vectors into the debug stubs.
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
234
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
235 cyg_hal_deliver_exception( vector, (CYG_ADDRWORD)regs );
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
236
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
237 #endif
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
238
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
239 #endif
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
240
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
241 return 0;
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
242 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
243
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
244 /*------------------------------------------------------------------------*/
30
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
245 /* default ISR */
14
01ce82f3e11a Merge from eCos master repository on 1999-06-11-17:05:41-BST
jlarmour
parents: 2
diff changeset
246
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
247 #ifndef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
30
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
248 externC cyg_uint32 hal_default_isr(CYG_ADDRWORD vector, CYG_ADDRWORD data)
14
01ce82f3e11a Merge from eCos master repository on 1999-06-11-17:05:41-BST
jlarmour
parents: 2
diff changeset
249 {
30
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
250 #if defined(CYGDBG_HAL_DEBUG_GDB_CTRLC_SUPPORT) && \
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
251 defined(CYGHWR_HAL_GDB_PORT_VECTOR) && \
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
252 defined(HAL_CTRLC_ISR)
14
01ce82f3e11a Merge from eCos master repository on 1999-06-11-17:05:41-BST
jlarmour
parents: 2
diff changeset
253
30
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
254 #ifndef CYGIMP_HAL_COMMON_INTERRUPTS_CHAIN
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
255 if( vector == CYGHWR_HAL_GDB_PORT_VECTOR )
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
256 #endif
14
01ce82f3e11a Merge from eCos master repository on 1999-06-11-17:05:41-BST
jlarmour
parents: 2
diff changeset
257 {
30
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
258 cyg_uint32 result = HAL_CTRLC_ISR( vector, data );
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
259 if( result != 0 ) return result;
14
01ce82f3e11a Merge from eCos master repository on 1999-06-11-17:05:41-BST
jlarmour
parents: 2
diff changeset
260 }
30
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
261
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
262 #endif
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
263
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
264 CYG_TRACE1(true, "Interrupt: %d", vector);
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
265 CYG_FAIL("Spurious Interrupt!!!");
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
266 return 0;
14
01ce82f3e11a Merge from eCos master repository on 1999-06-11-17:05:41-BST
jlarmour
parents: 2
diff changeset
267 }
30
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
268
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
269 #else // CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
270
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
271 #include <cyg/hal/plf_io.h>
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
272 externC cyg_uint32 hal_arch_default_isr(CYG_ADDRWORD vector, CYG_ADDRWORD data)
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
273 {
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
274 #if defined(CYGDBG_HAL_MN10300_DEBUG_GDB_CTRLC_SUPPORT) && \
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
275 defined(CYGHWR_HAL_GDB_PORT_VECTOR) && \
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
276 defined(HAL_CTRLC_ISR)
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
277
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
278 #if defined(CYGSEM_HAL_USE_ROM_MONITOR_CygMon)
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
279 #if defined(HAL_DIAG_IRQ_CHECK)
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
280 {
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
281 cyg_uint32 ret;
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
282 /* let ROM monitor handle unexpected interrupts */
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
283 HAL_DIAG_IRQ_CHECK(vector, ret);
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
284 if (ret<=0)
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
285 return ret;
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
286 }
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
287 #endif // def HAL_DIAG_IRQ_CHECK
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
288 #endif // def CYGSEM_HAL_USE_ROM_MONITOR_CygMon
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
289 #endif
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
290
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
291 return 0;
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
292 }
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
293 #endif
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 66
diff changeset
294
30
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
295 /*------------------------------------------------------------------------*/
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
296 /* Idle thread activity. */
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
297
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
298 externC void hal_idle_thread_action(cyg_uint32 loop_count)
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
299 {
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
300 }
14
01ce82f3e11a Merge from eCos master repository on 1999-06-11-17:05:41-BST
jlarmour
parents: 2
diff changeset
301
01ce82f3e11a Merge from eCos master repository on 1999-06-11-17:05:41-BST
jlarmour
parents: 2
diff changeset
302 /*------------------------------------------------------------------------*/
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
303 /* End of hal_misc.c */