Mercurial > ecos

annotate packages/hal/mn10300/stdeval1/current/src/plf_misc.c @ 62:7a6ac9edc838 ecos-sw-2000-01-24

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Merge from eCos master repository on 2000-01-24-19:43:49-GMT
author jlarmour
date Mon, 24 Jan 2000 21:43:17 +0000
parents 641b639be825
children c38311975d4f
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####
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
9 //
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
10 // -------------------------------------------
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
11 // The contents of this file are subject to the Cygnus eCos Public License
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
12 // Version 1.0 (the "License"); you may not use this file except in
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
13 // compliance with the License. You may obtain a copy of the License at
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
14 // http://sourceware.cygnus.com/ecos
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
15 //
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
16 // Software distributed under the License is distributed on an "AS IS"
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
18 // License for the specific language governing rights and limitations under
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
19 // the License.
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
20 //
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
21 // The Original Code is eCos - Embedded Cygnus Operating System, released
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
22 // September 30, 1998.
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
23 //
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
24 // The Initial Developer of the Original Code is Cygnus. Portions created
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
25 // by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions. All Rights Reserved.
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
26 // -------------------------------------------
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
27 //
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
28 //####COPYRIGHTEND####
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
29 //==========================================================================
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
30 //#####DESCRIPTIONBEGIN####
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 // Author(s): nickg
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
33 // Contributors: nickg, jlarmour
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
34 // Date: 1999-01-21
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
35 // Purpose: HAL miscellaneous functions
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
36 // 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
37 // HAL.
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
38 //
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
39 //####DESCRIPTIONEND####
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 //========================================================================*/
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 #include <pkgconf/hal.h>
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 <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
46 #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
47 #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
48
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
49 #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
50
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
51 #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
52
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
53 #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
54
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
55 /*------------------------------------------------------------------------*/
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 void hal_platform_init(void)
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 // 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
60 // 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
61 // invalidated before being enabled.
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
62
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
63 HAL_ICACHE_INVALIDATE_ALL();
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
64 HAL_ICACHE_ENABLE();
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
65 HAL_DCACHE_INVALIDATE_ALL();
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
66 HAL_DCACHE_ENABLE();
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
67
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
68 #if defined(CYGPKG_KERNEL) && \
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
69 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
70 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
71 {
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
72 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
73 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
74 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
75 }
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
76 #endif
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
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 /* 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
81 /* 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
82
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
83 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
84 {
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
85 while( size )
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
86 if( buf[--size] == 0x03 ) return true;
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
87
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
88 return false;
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
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
91 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
92 {
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
93
62
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT
jlarmour
parents: 30
diff changeset
94 #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
95
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
96 {
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
97 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
98 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
99 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
100 CYG_WORD32 pc;
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
101 HAL_SavedRegisters *sreg = (HAL_SavedRegisters *)regs;
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
102 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
103
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
104 if( regs == NULL ) pc = retpc;
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
105 else pc = sreg->pc;
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
106
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
107 if( ibp != NULL ) ibp((void *)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
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
110 #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
111
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
112 {
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
113 extern void breakpoint(void);
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
114 breakpoint();
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
115 }
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
116
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
117 #else
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 HAL_BREAKPOINT(breakinst);
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 #endif
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
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 /* Control C ISR support */
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 #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
128
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
129 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
130
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
131 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
132 {
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
133 }
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 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
136 {
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
137
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
138 // char c;
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 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
141
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
142 return 2;
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
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
145 #endif
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 /*------------------------------------------------------------------------*/
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents:
diff changeset
148 /* End of plf_misc.c */