Mercurial > ecos

annotate packages/hal/common/current/include/hal_stub.h @ 72:da3908c9cd10 ecos-sw-2000-02-17

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Merge from eCos master repository on 2000-02-17-18:56:14-GMT
author jlarmour
date Thu, 17 Feb 2000 19:38:13 +0000
parents bf00f99aec69
children 59d97b6ba612
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:
diff changeset
1 #ifndef CYGONCE_HAL_HAL_STUB_H
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
2 #define CYGONCE_HAL_HAL_STUB_H
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
3
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
4 //=============================================================================
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
5 //
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
6 // hal_stub.h
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
7 //
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
8 // HAL header for GDB stub support.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
9 //
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
10 //=============================================================================
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
11 //####COPYRIGHTBEGIN####
64
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 54
diff changeset
12 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 54
diff changeset
13 // -------------------------------------------
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 54
diff changeset
14 // 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
15 // 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: 54
diff changeset
16 // 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
17 // http://www.redhat.com/
64
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 54
diff changeset
18 //
66
bf00f99aec69 Merge from eCos master repository on 2000-02-02-19:16:44-GMT
jlarmour
parents: 64
diff changeset
19 // 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: 54
diff changeset
20 // 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: 54
diff changeset
21 // 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: 54
diff changeset
22 // the License.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 54
diff changeset
23 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 54
diff changeset
24 // 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: 54
diff changeset
25 // released September 30, 1998.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 54
diff changeset
26 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 54
diff changeset
27 // 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: 54
diff changeset
28 // Portions created by Red Hat are
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 54
diff changeset
29 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 54
diff changeset
30 // All Rights Reserved.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 54
diff changeset
31 // -------------------------------------------
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 54
diff changeset
32 //
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
33 //####COPYRIGHTEND####
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
34 //=============================================================================
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
35 //#####DESCRIPTIONBEGIN####
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
36 //
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
37 // Author(s): jskov
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
38 // Contributors:jskov
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
39 // Date: 1999-02-12
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
40 // Purpose: Generic HAL stub header.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
41 // Usage: #include <cyg/hal/hal_stub.h>
54
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents: 50
diff changeset
42 // Description: This header is included by generic-stub.c to provide an
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents: 50
diff changeset
43 // interface to the eCos-specific stub implementation. It is
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents: 50
diff changeset
44 // not to be included by user code, and is only placed in a
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents: 50
diff changeset
45 // publically accessible directory so that platform stub packages
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents: 50
diff changeset
46 // are able to include it if required.
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents: 50
diff changeset
47 //
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
48 //####DESCRIPTIONEND####
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
49 //
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
50 //=============================================================================
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
51
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
52 #include <pkgconf/hal.h>
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
53
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
54 #ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
55 #define USE_GDBSTUB_PROTOTYPES 0 // avoid stub-tservice.h atm
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
56 #define __ECOS__ // use to mark eCos hacks
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
57
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
58 #include <cyg/hal/basetype.h> // HAL_LABEL_NAME
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
59 #include <cyg/hal/hal_arch.h> // HAL header
34
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 2
diff changeset
60 #include <cyg/infra/cyg_type.h> // cyg_uint32 and CYG_BYTEORDER
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
61 typedef cyg_uint32 uint32;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
62
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
63 #include <cyg/hal/plf_stub.h>
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
64 #include <cyg/hal/generic-stub.h>
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
65
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
66 #ifdef __cplusplus
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
67 extern "C" {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
68 #endif
48
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
69 #if 0
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
70 } // to make below format correctly.
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
71 #endif
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
72
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
73 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
74 // Definitions for generic-stub.c
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
75
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
76 #define __set_mem_fault_trap(x) ({__mem_fault = 0; x(); __mem_fault;})
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
77
72
da3908c9cd10 Merge from eCos master repository on 2000-02-17-18:56:14-GMT
jlarmour
parents: 66
diff changeset
78 #if (CYG_BYTEORDER==CYG_LSBFIRST)
da3908c9cd10 Merge from eCos master repository on 2000-02-17-18:56:14-GMT
jlarmour
parents: 66
diff changeset
79 # if !defined(__LITTLE_ENDIAN__)
da3908c9cd10 Merge from eCos master repository on 2000-02-17-18:56:14-GMT
jlarmour
parents: 66
diff changeset
80 # define __LITTLE_ENDIAN__
da3908c9cd10 Merge from eCos master repository on 2000-02-17-18:56:14-GMT
jlarmour
parents: 66
diff changeset
81 # endif
da3908c9cd10 Merge from eCos master repository on 2000-02-17-18:56:14-GMT
jlarmour
parents: 66
diff changeset
82 # if !defined(_LITTLE_ENDIAN)
da3908c9cd10 Merge from eCos master repository on 2000-02-17-18:56:14-GMT
jlarmour
parents: 66
diff changeset
83 # define _LITTLE_ENDIAN
da3908c9cd10 Merge from eCos master repository on 2000-02-17-18:56:14-GMT
jlarmour
parents: 66
diff changeset
84 # endif
34
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 2
diff changeset
85 #endif
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 2
diff changeset
86
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
87 //----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
88 // Signal definitions to avoid 'signal.h'/
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
89 #define SIGHUP 1 /* hangup */
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
90 #define SIGINT 2 /* interrupt */
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
91 #define SIGQUIT 3 /* quit */
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
92 #define SIGILL 4 /* illegal instruction (not reset when caught) */
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
93 #define SIGTRAP 5 /* trace trap (not reset when caught) */
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
94 #define SIGIOT 6 /* IOT instruction */
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
95 #define SIGABRT 6 /* used by abort, replace SIGIOT in the future */
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
96 #define SIGEMT 7 /* EMT instruction */
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
97 #define SIGFPE 8 /* floating point exception */
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
98 #define SIGKILL 9 /* kill (cannot be caught or ignored) */
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
99 #define SIGBUS 10 /* bus error */
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
100 #define SIGSEGV 11 /* segmentation violation */
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
101 #define SIGSYS 12 /* bad argument to system call */
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
102 #define SIGPIPE 13 /* write on a pipe with no one to read it */
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
103 #define SIGALRM 14 /* alarm clock */
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
104 #define SIGTERM 15 /* software termination signal from kill */
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
105
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
106 //----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
107 // Thread support. This setting is used in thread-pkts.h
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
108 #ifdef CYGDBG_HAL_DEBUG_GDB_THREAD_SUPPORT
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
109 #define DEBUG_THREADS 1
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
110 #else
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
111 #define DEBUG_THREADS 0
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
112 #endif
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
113
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
114 // The function stub_copy_registers() is statically defined in
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
115 // thread-packets.c, but in eCos this external stub is defined as it
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
116 // is used in dbg_gdb.cxx.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
117 externC void __stub_copy_registers(target_register_t *dest,
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
118 target_register_t *src);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
119
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
120 //----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
121 // Memory accessor functions.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
122 #define TARGET_HAS_OWN_MEM_FUNCS
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
123
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
124 //----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
125 // Target extras?!
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
126 extern int __process_target_query(char * pkt, char * out, int maxOut);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
127 extern int __process_target_set(char * pkt, char * out, int maxout);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
128 extern int __process_target_packet(char * pkt, char * out, int maxout);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
129
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
130 //---------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
131 // Declarations to avoid compiler warnings.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
132
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
133 // Set the baud rate for the current serial port.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
134 extern void __set_baud_rate (int baud);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
135
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
136 // Write C to the current serial port.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
137 extern void putDebugChar (int c);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
138
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
139 // Read one character from the current serial port.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
140 extern int getDebugChar (void);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
141
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
142 // Push CH back onto the debug stream.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
143 extern void ungetDebugChar (int ch);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
144
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
145 // Reset the board.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
146 extern void __reset (void);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
147
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
148 // Multi-bp support.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
149 extern int __set_breakpoint (target_register_t addr);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
150 extern int __remove_breakpoint (target_register_t addr);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
151
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
152 /* Install the standard set of trap handlers for the stub. */
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
153 extern void __install_traps (void);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
154
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
155 /* Address in text section of a breakpoint instruction. */
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
156
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
157 extern void CYG_LABEL_NAME(breakinst) (void);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
158
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
159 /* The opcode for a breakpoint instruction. */
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
160
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
161 extern unsigned long __break_opcode (void);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
162
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
163 #ifdef CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT
50
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
164 // This one may assume a valid saved interrupt context on some platforms
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
165 extern void cyg_hal_gdb_interrupt (target_register_t pc);
50
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
166 // This one does not; use from CRITICAL_IO_REGION macros below.
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
167 extern void cyg_hal_gdb_place_break (target_register_t pc);
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
168 // Remove a break from either above - or not if cyg_hal_gdb_running_step
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
169 extern int cyg_hal_gdb_remove_break (target_register_t pc);
50
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
170 // Bool: is such a breakpoint set?
48
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
171 extern int cyg_hal_gdb_break_is_set (void);
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
172
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
173 /* This is used so that the generic stub can tell
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
174 * cyg_hal_gdb_remove_break() not to bother when we are avoiding stepping
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
175 * through a critical region ie. hal_diag_write_char() usually - that
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
176 * shares the GDB IO device.
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
177 */
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
178 extern volatile int cyg_hal_gdb_running_step;
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
179
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
180 // Use these in hal_diag.c when about to write a whole $O packet to GDB.
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
181 // NB they require __builtin_return_address() to work: if your platform
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
182 // does not support this, use HAL_DISABLE_INTERRUPTS &c instead.
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
183
50
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
184 #if 1 // Can use the address of a label: this is more portable
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
185
48
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
186 #define CYG_HAL_GDB_ENTER_CRITICAL_IO_REGION( _old_ ) \
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
187 do { \
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
188 HAL_DISABLE_INTERRUPTS(_old_); \
50
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
189 cyg_hal_gdb_place_break( &&cyg_hal_gdb_break_place ); \
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
190 } while ( 0 )
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
191
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
192 #define CYG_HAL_GDB_LEAVE_CRITICAL_IO_REGION( _old_ ) \
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
193 do { \
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
194 cyg_hal_gdb_remove_break( &&cyg_hal_gdb_break_place ); \
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
195 HAL_RESTORE_INTERRUPTS(_old_); \
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
196 cyg_hal_gdb_break_place: \
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
197 } while ( 0 )
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
198
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
199 #else // use __builtin_return_address instead.
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
200
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
201 #define CYG_HAL_GDB_ENTER_CRITICAL_IO_REGION( _old_ ) \
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
202 do { \
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
203 HAL_DISABLE_INTERRUPTS(_old_); \
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
204 cyg_hal_place_break((target_register_t)__builtin_return_address(0)); \
48
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
205 } while ( 0 )
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
206
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
207 #define CYG_HAL_GDB_LEAVE_CRITICAL_IO_REGION( _old_ ) \
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
208 do { \
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
209 cyg_hal_gdb_remove_break((target_register_t)__builtin_return_address(0)); \
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
210 HAL_RESTORE_INTERRUPTS(_old_); \
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
211 } while ( 0 )
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
212
50
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
213 #endif
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
214
48
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
215 #else // NO debug_gdb_break_support
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
216
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
217 // so define these just to do interrupts:
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
218 #define CYG_HAL_GDB_ENTER_CRITICAL_IO_REGION( _old_ ) \
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
219 HAL_DISABLE_INTERRUPTS(_old_)
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
220
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
221 #define CYG_HAL_GDB_LEAVE_CRITICAL_IO_REGION( _old_ ) \
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
222 HAL_RESTORE_INTERRUPTS(_old_)
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 34
diff changeset
223
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
224 #endif
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
225
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
226 //----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
227 // eCos extensions to the stub
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
228
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
229 extern void hal_output_gdb_string(target_register_t str, int string_len);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
230
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
231 extern target_register_t registers[]; // The current saved registers.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
232 extern target_register_t * _registers ;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
233 extern HAL_SavedRegisters *_hal_registers;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
234
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
235 extern int cyg_hal_gdb_break;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
236
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
237 //---------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
238 // Local strcpy/strlen functions removes libc dependency.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
239 static inline char *strcpy( char *s, const char *t)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
240 {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
241 char *r = s;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
242
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
243 while( *t ) *s++ = *t++;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
244
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
245 // Terminate the copied string.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
246 *s = 0;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
247
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
248 return r;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
249 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
250
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
251 static inline int strlen( const char *s )
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
252 {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
253 int r = 0;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
254 while( *s++ ) r++;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
255 return r;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
256 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
257
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
258 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
259 // Repeat the cache definitions here to avoid too much hackery in
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
260 // generic-stub.h
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
261 typedef enum {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
262 CACHE_NOOP, CACHE_ENABLE, CACHE_DISABLE, CACHE_FLUSH
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
263 } cache_control_t;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
264
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
265 /* Perform the specified operation on the instruction cache.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
266 Returns 1 if the cache is enabled, 0 otherwise. */
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
267 extern int __instruction_cache (cache_control_t request);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
268 /* Perform the specified operation on the data cache.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
269 Returns 1 if the cache is enabled, 0 otherwise. */
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
270 extern int __data_cache (cache_control_t request);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
271
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
272 #ifdef __cplusplus
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
273 } // extern "C"
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
274 #endif
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
275
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
276 #endif // ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
277
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
278 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
279 #endif // CYGONCE_HAL_HAL_STUB_H
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
280 // End of hal_stub.h