Mercurial > ecos

annotate packages/hal/mn10300/stdeval1/current/src/plf_misc.c @ 66:bf00f99aec69 ecos-sw-2000-02-02

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Merge from eCos master repository on 2000-02-02-19:16:44-GMT
author jlarmour
date Wed, 02 Feb 2000 19:57:02 +0000
parents c38311975d4f
children e0c0827131d1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
30
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
1 //==========================================================================
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
2 //
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
3 // plf_misc.c
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
4 //
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
5 // HAL platform miscellaneous functions
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
6 //
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
7 //==========================================================================
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
8 //####COPYRIGHTBEGIN####
64
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 62
diff changeset
9 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 62
diff changeset
10 // -------------------------------------------
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 62
diff changeset
11 // The contents of this file are subject to the Red Hat eCos Public License
66
bf00f99aec69 Merge from eCos master repository on 2000-02-02-19:16:44-GMT
jlarmour
parents: 64
diff changeset
12 // Version 1.1 (the "License"); you may not use this file except in
64
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 62
diff changeset
13 // compliance with the License. You may obtain a copy of the License at
66
bf00f99aec69 Merge from eCos master repository on 2000-02-02-19:16:44-GMT
jlarmour
parents: 64
diff changeset
14 // http://www.redhat.com/
64
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 62
diff changeset
15 //
66
bf00f99aec69 Merge from eCos master repository on 2000-02-02-19:16:44-GMT
jlarmour
parents: 64
diff changeset
16 // Software distributed under the License is distributed on an "AS IS"
64
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 62
diff changeset
17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 62
diff changeset
18 // License for the specific language governing rights and limitations under
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 62
diff changeset
19 // the License.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 62
diff changeset
20 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 62
diff changeset
21 // The Original Code is eCos - Embedded Configurable Operating System,
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 62
diff changeset
22 // released September 30, 1998.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 62
diff changeset
23 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 62
diff changeset
24 // The Initial Developer of the Original Code is Red Hat.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 62
diff changeset
25 // Portions created by Red Hat are
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 62
diff changeset
26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 62
diff changeset
27 // All Rights Reserved.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 62
diff changeset
28 // -------------------------------------------
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 62
diff changeset
29 //
30
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
30 //####COPYRIGHTEND####
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
31 //==========================================================================
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
32 //#####DESCRIPTIONBEGIN####
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
33 //
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
34 // Author(s): nickg
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
35 // Contributors: nickg, jlarmour
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
36 // Date: 1999-01-21
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
37 // Purpose: HAL miscellaneous functions
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
38 // Description: This file contains miscellaneous functions provided by the
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
39 // HAL.
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
40 //
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
41 //####DESCRIPTIONEND####
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
42 //
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
43 //========================================================================*/
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
44
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
45 #include <pkgconf/hal.h>
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
46
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
47 #include <cyg/infra/cyg_type.h> // Base types
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
48 #include <cyg/infra/cyg_trac.h> // tracing macros
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
49 #include <cyg/infra/cyg_ass.h> // assertion macros
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
50
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
51 #include <cyg/hal/hal_arch.h> // architectural definitions
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
52
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
53 #include <cyg/hal/hal_intr.h> // Interrupt handling
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
54
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
55 #include <cyg/hal/hal_cache.h> // Cache handling
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
56
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
57 /*------------------------------------------------------------------------*/
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
58
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
59 void hal_platform_init(void)
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
60 {
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
61 // Note that the hardware seems to come up with the
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
62 // caches containing random data. Hence they must be
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
63 // invalidated before being enabled.
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
64
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
65 HAL_ICACHE_INVALIDATE_ALL();
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
66 HAL_ICACHE_ENABLE();
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
67 HAL_DCACHE_INVALIDATE_ALL();
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
68 HAL_DCACHE_ENABLE();
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
69
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
70 #if defined(CYGPKG_KERNEL) && \
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
71 defined(CYGFUN_HAL_COMMON_KERNEL_SUPPORT) && \
62
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT
jlarmour
parents: 30
diff changeset
72 defined(CYGSEM_HAL_USE_ROM_MONITOR_CygMon)
30
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
73 {
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
74 extern CYG_ADDRESS hal_virtual_vector_table[32];
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
75 extern void patch_dbg_syscalls(void * vector);
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
76 patch_dbg_syscalls( (void *)(&hal_virtual_vector_table[0]) );
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
77 }
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
78 #endif
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
79 }
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
80
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
81 /*------------------------------------------------------------------------*/
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
82 /* Functions to support the detection and execution of a user provoked */
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
83 /* program break. These are usually called from interrupt routines. */
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
84
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
85 cyg_bool cyg_hal_is_break(char *buf, int size)
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
86 {
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
87 while( size )
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
88 if( buf[--size] == 0x03 ) return true;
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
89
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
90 return false;
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
91 }
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
92
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
93 void cyg_hal_user_break( CYG_ADDRWORD *regs )
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
94 {
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
95
62
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT
jlarmour
parents: 30
diff changeset
96 #if defined(CYGSEM_HAL_USE_ROM_MONITOR_GDB_stubs)
30
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
97
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
98 {
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
99 extern CYG_ADDRESS hal_virtual_vector_table[64];
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
100 typedef void install_bpt_fn(void *pc);
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
101 CYG_WORD32 retpc = ((CYG_WORD32 *)(&regs))[-1];
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
102 CYG_WORD32 pc;
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
103 HAL_SavedRegisters *sreg = (HAL_SavedRegisters *)regs;
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
104 install_bpt_fn *ibp = (install_bpt_fn *)hal_virtual_vector_table[35];
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
105
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
106 if( regs == NULL ) pc = retpc;
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
107 else pc = sreg->pc;
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
108
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
109 if( ibp != NULL ) ibp((void *)pc);
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
110 }
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
111
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
112 #elif defined(CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS)
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
113
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
114 {
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
115 extern void breakpoint(void);
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
116 breakpoint();
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
117 }
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
118
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
119 #else
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
120
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
121 HAL_BREAKPOINT(breakinst);
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
122
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
123 #endif
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
124 }
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
125
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
126 /*------------------------------------------------------------------------*/
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
127 /* Control C ISR support */
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
128
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
129 #if defined(CYGDBG_HAL_DEBUG_GDB_CTRLC_SUPPORT)
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
130
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
131 struct Hal_SavedRegisters *hal_saved_interrupt_state;
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
132
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
133 static void hal_ctrlc_isr_init(void)
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
134 {
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
135 }
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
136
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
137 cyg_uint32 hal_ctrlc_isr(CYG_ADDRWORD vector, CYG_ADDRWORD data)
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
138 {
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
139
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
140 // char c;
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
141
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
142 HAL_INTERRUPT_ACKNOWLEDGE( CYGHWR_HAL_GDB_PORT_VECTOR );
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
143
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
144 return 2;
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
145 }
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
146
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
147 #endif
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
148
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
149 /*------------------------------------------------------------------------*/
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
150 /* End of plf_misc.c */