Mercurial > nand-ecoscentric

annotate packages/hal/common/current/src/hal_stub.c @ 115:6ed91473a1cd ecos-sw-2000-08-21

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Merge from eCos master repository on 2000-08-21-22:40:54-BST
author jlarmour
date Fri, 25 Aug 2000 17:32:38 +0000
parents 02ea4320376c
children 6bd9d475ed4b
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 //=============================================================================
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
2 //
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
3 // hal_stub.c
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 // Helper functions for stub, specific to eCos HAL
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
6 //
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 //####COPYRIGHTBEGIN####
64
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 50
diff changeset
9 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 50
diff changeset
10 // -------------------------------------------
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 50
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: 50
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: 50
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: 50
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: 50
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: 50
diff changeset
19 // the License.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 50
diff changeset
20 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 50
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: 50
diff changeset
22 // released September 30, 1998.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 50
diff changeset
23 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 50
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: 50
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: 50
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: 50
diff changeset
27 // All Rights Reserved.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 50
diff changeset
28 // -------------------------------------------
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 50
diff changeset
29 //
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
30 //####COPYRIGHTEND####
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
31 //=============================================================================
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
32 //#####DESCRIPTIONBEGIN####
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
33 //
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
34 // Author(s): jskov (based on powerpc/cogent hal_stub.c)
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 112
diff changeset
35 // Contributors:jskov, dmoseley
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
36 // Date: 1999-02-12
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
37 // Purpose: Helper functions for stub, specific to eCos HAL
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
38 // Description: Parts of the GDB stub requirements are provided by
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
39 // the eCos HAL, rather than target and/or board specific
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
40 // code.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
41 //
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
42 //####DESCRIPTIONEND####
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
43 //
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
44 //=============================================================================
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
45
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
46 #include <pkgconf/hal.h>
50
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
47 #ifdef CYGPKG_CYGMON
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
48 #include <pkgconf/cygmon.h>
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
49 #endif
2
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 #ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
52
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
53 #include <cyg/hal/hal_stub.h> // Our header
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
54
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
55 #include <cyg/hal/hal_arch.h> // HAL_BREAKINST
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
56 #include <cyg/hal/hal_cache.h> // HAL_xCACHE_x
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
57 #include <cyg/hal/hal_intr.h> // interrupt disable/restore
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
58
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
59 #include <cyg/hal/hal_if.h> // ROM calling interface
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
60 #include <cyg/hal/hal_misc.h> // Helper functions
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
61
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
62 #ifdef CYGDBG_HAL_DEBUG_GDB_THREAD_SUPPORT
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
63 #include <cyg/hal/dbg-threads-api.h> // dbg_currthread_id
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
64 #endif
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
65
112
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
66 #ifdef USE_LONG_NAMES_FOR_ENUM_REGNAMES
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 112
diff changeset
67 #ifndef PC
112
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
68 #define PC REG_PC
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 112
diff changeset
69 #endif
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 112
diff changeset
70 #ifndef SP
112
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
71 #define SP REG_SP
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
72 #endif
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 112
diff changeset
73 #endif
112
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
74
2
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 // Extra eCos data.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
77
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
78 // Saved registers.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
79 HAL_SavedRegisters *_hal_registers;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
80 target_register_t registers[NUMREGS];
14
01ce82f3e11a Merge from eCos master repository on 1999-06-11-17:05:41-BST
jlarmour
parents: 12
diff changeset
81 target_register_t alt_registers[NUMREGS] ; // Thread or saved process state
01ce82f3e11a Merge from eCos master repository on 1999-06-11-17:05:41-BST
jlarmour
parents: 12
diff changeset
82 target_register_t * _registers = registers; // Pointer to current set of registers
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
83
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 112
diff changeset
84 // Register validity checking
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 112
diff changeset
85 #ifdef CYGHWR_REGISTER_VALIDITY_CHECKING
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 112
diff changeset
86 int registers_valid[NUMREGS];
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 112
diff changeset
87 int *_registers_valid = registers_valid;
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 112
diff changeset
88 #endif
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 112
diff changeset
89
105
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
90 #ifndef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT // this should go away
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
91 // Interrupt control.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
92 static volatile __PFI __interruptible_control;
105
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
93 #endif
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
94
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
95 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
96 // Register access
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
97
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
98 // Return the currently-saved value corresponding to register REG of
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
99 // the exception context.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
100 target_register_t
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
101 get_register (regnames_t reg)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
102 {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
103 return _registers[reg];
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
104 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
105
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 112
diff changeset
106 #ifdef CYGHWR_REGISTER_VALIDITY_CHECKING
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 112
diff changeset
107 // Return the validity of register REG.
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 112
diff changeset
108 int
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 112
diff changeset
109 get_register_valid (regnames_t reg)
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 112
diff changeset
110 {
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 112
diff changeset
111 return _registers_valid[reg];
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 112
diff changeset
112 }
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 112
diff changeset
113 #endif
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 112
diff changeset
114
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
115 // Store VALUE in the register corresponding to WHICH in the exception
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
116 // context.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
117 void
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
118 put_register (regnames_t which, target_register_t value)
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 _registers[which] = value;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
121 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
122
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 // Serial stuff
76
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 70
diff changeset
125 #ifdef CYGPKG_CYGMON
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 70
diff changeset
126 extern void ecos_bsp_console_putc(char);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 70
diff changeset
127 extern char ecos_bsp_console_getc(void);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 70
diff changeset
128 #endif
2
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 // Write C to the current serial port.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
131 void
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
132 putDebugChar (int c)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
133 {
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
134 #ifdef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
135 __call_if_debug_procs_t __debug_procs = CYGACC_CALL_IF_DEBUG_PROCS();
107
7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST
jlarmour
parents: 105
diff changeset
136 CYGACC_COMM_IF_PUTC(*__debug_procs, c);
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
137 #elif defined(CYGPKG_CYGMON)
76
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 70
diff changeset
138 ecos_bsp_console_putc(c);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 70
diff changeset
139 #else
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
140 HAL_STUB_PLATFORM_PUT_CHAR(c);
76
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 70
diff changeset
141 #endif
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
142 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
143
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
144 // Read one character from the current serial port.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
145 int
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
146 getDebugChar (void)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
147 {
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
148 #ifdef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
149 __call_if_debug_procs_t __debug_procs = CYGACC_CALL_IF_DEBUG_PROCS();
107
7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST
jlarmour
parents: 105
diff changeset
150 return CYGACC_COMM_IF_GETC(*__debug_procs);
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
151 #elif defined(CYGPKG_CYGMON)
76
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 70
diff changeset
152 return ecos_bsp_console_getc();
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 70
diff changeset
153 #else
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
154 return HAL_STUB_PLATFORM_GET_CHAR();
76
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 70
diff changeset
155 #endif
2
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
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
158 // Set the baud rate for the current serial port.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
159 void
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
160 __set_baud_rate (int baud)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
161 {
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
162 #ifdef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
163 __call_if_debug_procs_t __debug_procs = CYGACC_CALL_IF_DEBUG_PROCS();
107
7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST
jlarmour
parents: 105
diff changeset
164 CYGACC_COMM_IF_CONTROL(*__debug_procs, __COMMCTL_SETBAUD, baud);
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
165 #elif defined(CYGPKG_CYGMON)
76
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 70
diff changeset
166 // FIXME!
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 70
diff changeset
167 #else
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
168 HAL_STUB_PLATFORM_SET_BAUD_RATE(baud);
76
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 70
diff changeset
169 #endif
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
170 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
171
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
172 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
173 // GDB interrupt (BREAK) support.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
174
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
175 #ifdef CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
176
76
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 70
diff changeset
177 #ifndef CYGPKG_HAL_ARM
38
e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST
jlarmour
parents: 34
diff changeset
178
30
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
179 #if (HAL_BREAKINST_SIZE == 1)
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
180 typedef cyg_uint8 t_inst;
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST
jlarmour
parents: 14
diff changeset
181 #elif (HAL_BREAKINST_SIZE == 2)
12
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST
jlarmour
parents: 10
diff changeset
182 typedef cyg_uint16 t_inst;
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST
jlarmour
parents: 10
diff changeset
183 #elif (HAL_BREAKINST_SIZE == 4)
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST
jlarmour
parents: 10
diff changeset
184 typedef cyg_uint32 t_inst;
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST
jlarmour
parents: 10
diff changeset
185 #else
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST
jlarmour
parents: 10
diff changeset
186 #error "Don't know how to handle that size"
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST
jlarmour
parents: 10
diff changeset
187 #endif
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
188
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
189 typedef struct
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
190 {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
191 t_inst *targetAddr;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
192 t_inst savedInstr;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
193 } instrBuffer;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
194
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
195 static instrBuffer break_buffer;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
196
48
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 38
diff changeset
197 volatile int cyg_hal_gdb_running_step = 0;
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 38
diff changeset
198
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
199 void
50
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
200 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
201 {
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
202 cyg_hal_gdb_interrupt( pc ); // Let's hope this becomes a drop-through:
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
203 }
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
204
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
205 void
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
206 cyg_hal_gdb_interrupt (target_register_t pc)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
207 {
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
208 CYGARC_HAL_SAVE_GP();
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
209
50
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
210 // Clear flag that we Continued instead of Stepping
48
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 38
diff changeset
211 cyg_hal_gdb_running_step = 0;
50
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
212 // and override existing break? So that a ^C takes effect...
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
213 if (NULL != break_buffer.targetAddr)
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
214 cyg_hal_gdb_remove_break( (target_register_t)break_buffer.targetAddr );
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT
jlarmour
parents: 48
diff changeset
215
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
216 if (NULL == break_buffer.targetAddr) {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
217 break_buffer.targetAddr = (t_inst*) pc;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
218 break_buffer.savedInstr = *(t_inst*)pc;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
219 *(t_inst*)pc = (t_inst)HAL_BREAKINST;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
220
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
221 __data_cache(CACHE_FLUSH);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
222 __instruction_cache(CACHE_FLUSH);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
223 }
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
224
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
225 CYGARC_HAL_RESTORE_GP();
2
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
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
228 int
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
229 cyg_hal_gdb_remove_break (target_register_t pc)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
230 {
48
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 38
diff changeset
231 if ( cyg_hal_gdb_running_step )
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 38
diff changeset
232 return 0;
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 38
diff changeset
233
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
234 if ((t_inst*)pc == break_buffer.targetAddr) {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
235 *(t_inst*)pc = break_buffer.savedInstr;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
236 break_buffer.targetAddr = NULL;
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 __data_cache(CACHE_FLUSH);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
239 __instruction_cache(CACHE_FLUSH);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
240 return 1;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
241 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
242 return 0;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
243 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
244
48
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 38
diff changeset
245 int
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 38
diff changeset
246 cyg_hal_gdb_break_is_set (void)
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 38
diff changeset
247 {
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 38
diff changeset
248 if (NULL != break_buffer.targetAddr) {
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 38
diff changeset
249 return 1;
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 38
diff changeset
250 }
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 38
diff changeset
251 return 0;
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 38
diff changeset
252 }
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 38
diff changeset
253
76
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 70
diff changeset
254 #endif // CYGPKG_HAL_ARM
38
e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST
jlarmour
parents: 34
diff changeset
255
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
256 #endif // CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT
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 // Use this function to disable serial interrupts whenever reply
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
259 // characters are expected from GDB. The reason we want to control
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
260 // whether the target can be interrupted or not is simply that GDB on
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
261 // the host will be sending acknowledge characters/commands while the
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
262 // stub is running - if serial interrupts were still active, the
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
263 // characters would never reach the (polling) getDebugChar.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
264 static void
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
265 interruptible(int state)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
266 {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
267 static int __interrupts_suspended = 0;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
268
105
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
269 if (state) {
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
270 __interrupts_suspended--;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
271 if (0 >= __interrupts_suspended) {
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
272 __interrupts_suspended = 0;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
273 #ifdef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT // this _check_ should go away
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
274 {
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
275 hal_virtual_comm_table_t* __chan;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
276 __chan = CYGACC_CALL_IF_DEBUG_PROCS();
107
7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST
jlarmour
parents: 105
diff changeset
277 CYGACC_COMM_IF_CONTROL(*__chan, __COMMCTL_IRQ_ENABLE);
105
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
278 }
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
279 #else
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
280 if (__interruptible_control)
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
281 __interruptible_control(1);
105
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
282 #endif
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
283 }
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
284 } else {
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
285 __interrupts_suspended++;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
286 if (1 == __interrupts_suspended)
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
287 #ifdef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT // this _check_ should go away
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
288 {
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
289 hal_virtual_comm_table_t* __chan;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
290 __chan = CYGACC_CALL_IF_DEBUG_PROCS();
107
7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST
jlarmour
parents: 105
diff changeset
291 CYGACC_COMM_IF_CONTROL(*__chan, __COMMCTL_IRQ_DISABLE);
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
292 }
105
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
293 #else
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
294 if (__interruptible_control)
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
295 __interruptible_control(0);
105
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
296 #endif
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
297 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
298 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
299
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
300 #ifdef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
301 //-----------------------------------------------------------------------------
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
302 // GDB O-packetizer function.
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
303
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
304 // This gets called via the virtual vector debug comms entry and
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
305 // handles O-packetization. The debug comms entries are used for the
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
306 // actual device IO.
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
307
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
308 static cyg_uint8
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
309 cyg_hal_gdb_diag_getc(void* __ch_data)
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
310 {
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
311 cyg_uint8 __ch;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
312 hal_virtual_comm_table_t* __chan = CYGACC_CALL_IF_DEBUG_PROCS();
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
313 CYGARC_HAL_SAVE_GP();
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
314
107
7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST
jlarmour
parents: 105
diff changeset
315 __ch = CYGACC_COMM_IF_GETC(*__chan);
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
316
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
317 CYGARC_HAL_RESTORE_GP();
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
318
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
319 return __ch;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
320 }
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
321
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
322
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
323 static void
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
324 cyg_hal_gdb_diag_putc(void* __ch_data, cyg_uint8 c)
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
325 {
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
326 static char line[100];
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
327 static int pos = 0;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
328 CYGARC_HAL_SAVE_GP();
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
329
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
330 // No need to send CRs
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
331 if( c == '\r' ) return;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
332
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
333 line[pos++] = c;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
334
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
335 if( c == '\n' || pos == sizeof(line) )
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
336 {
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
337 CYG_INTERRUPT_STATE old;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
338 hal_virtual_comm_table_t* __chan = CYGACC_CALL_IF_DEBUG_PROCS();
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
339
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
340 // Disable interrupts. This prevents GDB trying to interrupt us
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
341 // while we are in the middle of sending a packet. The serial
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
342 // receive interrupt will be seen when we re-enable interrupts
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
343 // later.
105
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
344 #ifdef CYG_HAL_STARTUP_ROM
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
345 HAL_DISABLE_INTERRUPTS(old);
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
346 #else
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
347 CYG_HAL_GDB_ENTER_CRITICAL_IO_REGION(old);
105
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
348 #endif
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
349
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
350 while(1)
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
351 {
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
352 static const char hex[] = "0123456789ABCDEF";
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
353 cyg_uint8 csum = 0, c1;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
354 int i;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
355
107
7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST
jlarmour
parents: 105
diff changeset
356 CYGACC_COMM_IF_PUTC(*__chan, '$');
7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST
jlarmour
parents: 105
diff changeset
357 CYGACC_COMM_IF_PUTC(*__chan, 'O');
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
358 csum += 'O';
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
359 for( i = 0; i < pos; i++ )
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
360 {
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
361 char ch = line[i];
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
362 char h = hex[(ch>>4)&0xF];
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
363 char l = hex[ch&0xF];
107
7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST
jlarmour
parents: 105
diff changeset
364 CYGACC_COMM_IF_PUTC(*__chan, h);
7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST
jlarmour
parents: 105
diff changeset
365 CYGACC_COMM_IF_PUTC(*__chan, l);
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
366 csum += h;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
367 csum += l;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
368 }
107
7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST
jlarmour
parents: 105
diff changeset
369 CYGACC_COMM_IF_PUTC(*__chan, '#');
7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST
jlarmour
parents: 105
diff changeset
370 CYGACC_COMM_IF_PUTC(*__chan, hex[(csum>>4)&0xF]);
7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST
jlarmour
parents: 105
diff changeset
371 CYGACC_COMM_IF_PUTC(*__chan, hex[csum&0xF]);
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
372
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 112
diff changeset
373 nak:
107
7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST
jlarmour
parents: 105
diff changeset
374 c1 = CYGACC_COMM_IF_GETC(*__chan);
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 112
diff changeset
375
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
376 if( c1 == '+' ) break;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
377
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
378 if( cyg_hal_is_break( &c1 , 1 ) ) {
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
379 // Caller's responsibility to react on this.
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
380 CYGACC_CALL_IF_CONSOLE_INTERRUPT_FLAG_SET(1);
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
381 break;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
382 }
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 112
diff changeset
383 if( c1 != '-' ) goto nak;
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
384 }
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
385
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
386 pos = 0;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
387 // And re-enable interrupts
105
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
388 #ifdef CYG_HAL_STARTUP_ROM
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
389 HAL_RESTORE_INTERRUPTS(old);
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
390 #else
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
391 CYG_HAL_GDB_LEAVE_CRITICAL_IO_REGION(old);
105
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
392 #endif
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
393 }
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
394
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
395 CYGARC_HAL_RESTORE_GP();
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
396 }
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
397
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
398 static void
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
399 cyg_hal_gdb_diag_write(void* __ch_data, const cyg_uint8* __buf,
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
400 cyg_uint32 __len)
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
401 {
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
402 CYGARC_HAL_SAVE_GP();
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
403
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
404 while(__len-- > 0)
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
405 cyg_hal_gdb_diag_putc(__ch_data, *__buf++);
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
406
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
407 CYGARC_HAL_RESTORE_GP();
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
408 }
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
409
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
410 static void
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
411 cyg_hal_gdb_diag_read(void* __ch_data, cyg_uint8* __buf, cyg_uint32 __len)
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
412 {
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
413 CYGARC_HAL_SAVE_GP();
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
414
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
415 while(__len-- > 0)
103
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 101
diff changeset
416 *__buf++ = cyg_hal_gdb_diag_getc(__ch_data);
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
417
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
418 CYGARC_HAL_RESTORE_GP();
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
419 }
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
420
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
421 static int
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
422 cyg_hal_gdb_diag_control(void *__ch_data, __comm_control_cmd_t __func, ...)
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
423 {
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
424 // Do nothing (yet).
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
425 return 0;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
426 }
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
427 #endif
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
428
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
429
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
430 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
431 // eCos stub entry and exit magic.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
432
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
433 #ifdef CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
434 int cyg_hal_gdb_break;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
435 #endif
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
436
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
437 // Called at stub *entry*
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
438 static void
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
439 handle_exception_cleanup( void )
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
440 {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
441 interruptible(0);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
442
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
443 // Expand the HAL_SavedRegisters structure into the GDB register
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
444 // array format.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
445 HAL_GET_GDB_REGISTERS(&registers[0], _hal_registers);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
446 _registers = &registers[0];
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
447
8
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST
jlarmour
parents: 6
diff changeset
448 #ifdef HAL_STUB_PLATFORM_STUBS_FIXUP
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST
jlarmour
parents: 6
diff changeset
449 // Some architectures may need to fix the PC in case of a partial
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST
jlarmour
parents: 6
diff changeset
450 // or fully executed trap instruction. GDB only takes correct action
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST
jlarmour
parents: 6
diff changeset
451 // when the PC is pointing to the breakpoint instruction it set.
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST
jlarmour
parents: 6
diff changeset
452 //
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST
jlarmour
parents: 6
diff changeset
453 // Most architectures would leave PC pointing at the trap
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST
jlarmour
parents: 6
diff changeset
454 // instruction itself though, and so do not need to do anything
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST
jlarmour
parents: 6
diff changeset
455 // special.
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST
jlarmour
parents: 6
diff changeset
456 HAL_STUB_PLATFORM_STUBS_FIXUP();
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST
jlarmour
parents: 6
diff changeset
457 #endif
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST
jlarmour
parents: 6
diff changeset
458
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
459 #ifdef CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT
48
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 38
diff changeset
460 // If we continued instead of stepping, when there was a break set
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 38
diff changeset
461 // ie. we were stepping within a critical region, clear the break, and
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 38
diff changeset
462 // that flag. If we stopped for some other reason, this has no effect.
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 38
diff changeset
463 if ( cyg_hal_gdb_running_step ) {
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 38
diff changeset
464 cyg_hal_gdb_running_step = 0;
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 38
diff changeset
465 cyg_hal_gdb_remove_break(get_register (PC));
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 38
diff changeset
466 }
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST
jlarmour
parents: 38
diff changeset
467
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
468 // FIXME: (there may be a better way to do this)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
469 // If we hit a breakpoint set by the gdb interrupt stub, make it
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
470 // seem like an interrupt rather than having hit a breakpoint.
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
471 cyg_hal_gdb_break = cyg_hal_gdb_remove_break(get_register (PC));
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
472 #endif
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
473 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
474
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
475 // Called at stub *exit*
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
476 static void
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
477 handle_exception_init( void )
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
478 {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
479 // Compact register array again.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
480 HAL_SET_GDB_REGISTERS(_hal_registers, &registers[0]);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
481
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
482 interruptible(1);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
483 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
484
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
485
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
486 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
487 // Initialization.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
488
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
489 // Signal handler.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
490 int
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
491 cyg_hal_process_signal (int signal)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
492 {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
493 // We don't care about the signal (atm).
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
494 return 0;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
495 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
496
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
497 // Install the standard set of trap handlers for the stub.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
498 void
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
499 __install_traps (void)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
500 {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
501 // Set signal handling vector so we can treat 'C<signum>' as 'c'.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
502 __process_signal_vec = &cyg_hal_process_signal;
8
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST
jlarmour
parents: 6
diff changeset
503 // Set exit vector to reset vector. This will allow automatic reset on
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST
jlarmour
parents: 6
diff changeset
504 // some platforms.
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST
jlarmour
parents: 6
diff changeset
505 __process_exit_vec = &__reset;
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
506
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
507 __cleanup_vec = &handle_exception_cleanup;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
508 __init_vec = &handle_exception_init;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
509
105
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
510 #ifndef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT // this should go away
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
511 #ifdef CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
512 // Control of GDB interrupts.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
513 __interruptible_control = HAL_STUB_PLATFORM_INTERRUPTIBLE;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
514 #endif
105
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
515 #endif
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
516
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
517 // Nothing further to do, handle_exception will be called when an
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
518 // exception occurs.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
519 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
520
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
521 // Initialize the hardware.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
522 void
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
523 initHardware (void)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
524 {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
525 static int initialized = 0;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
526
103
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 101
diff changeset
527 if (initialized)
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
528 return;
103
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 101
diff changeset
529 initialized = 1;
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
530
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
531 // Get serial port initialized.
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
532 HAL_STUB_PLATFORM_INIT_SERIAL();
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
533
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
534 #ifdef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
103
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 101
diff changeset
535 {
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 101
diff changeset
536 hal_virtual_comm_table_t* comm;
107
7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST
jlarmour
parents: 105
diff changeset
537 int cur = CYGACC_CALL_IF_SET_CONSOLE_COMM(CYGNUM_CALL_IF_SET_COMM_ID_QUERY_CURRENT);
103
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 101
diff changeset
538
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 101
diff changeset
539 // Initialize mangler procs
107
7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST
jlarmour
parents: 105
diff changeset
540 CYGACC_CALL_IF_SET_CONSOLE_COMM(CYGNUM_CALL_IF_SET_COMM_ID_MANGLER);
103
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 101
diff changeset
541 comm = CYGACC_CALL_IF_CONSOLE_PROCS();
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 101
diff changeset
542 CYGACC_COMM_IF_WRITE_SET(*comm, cyg_hal_gdb_diag_write);
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 101
diff changeset
543 CYGACC_COMM_IF_READ_SET(*comm, cyg_hal_gdb_diag_read);
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 101
diff changeset
544 CYGACC_COMM_IF_PUTC_SET(*comm, cyg_hal_gdb_diag_putc);
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 101
diff changeset
545 CYGACC_COMM_IF_GETC_SET(*comm, cyg_hal_gdb_diag_getc);
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 101
diff changeset
546 CYGACC_COMM_IF_CONTROL_SET(*comm, cyg_hal_gdb_diag_control);
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 101
diff changeset
547
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 101
diff changeset
548 // Now either restore the previous console channel, or let the
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 101
diff changeset
549 // mangler stay in its place. The latter happens if the
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 101
diff changeset
550 // console channel was previously unspecified, or if the
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 101
diff changeset
551 // previous channel matches the used for GDB communication.
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 101
diff changeset
552 if (CYGNUM_CALL_IF_SET_COMM_ID_EMPTY != cur
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 101
diff changeset
553 && CYGNUM_HAL_VIRTUAL_VECTOR_DEBUG_CHANNEL != cur)
107
7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST
jlarmour
parents: 105
diff changeset
554 CYGACC_CALL_IF_SET_CONSOLE_COMM(cur);
103
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 101
diff changeset
555
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 101
diff changeset
556 // Set the debug channel.
107
7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST
jlarmour
parents: 105
diff changeset
557 CYGACC_CALL_IF_SET_DEBUG_COMM(CYGNUM_HAL_VIRTUAL_VECTOR_DEBUG_CHANNEL);
103
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 101
diff changeset
558 }
110
84e4bde58b26 Merge from eCos master repository on 2000-07-14-22:00:02-BST
jlarmour
parents: 107
diff changeset
559 #endif // CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
105
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
560
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
561 #ifdef HAL_STUB_PLATFORM_INIT
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
562 // If the platform defines any initialization code, call it here.
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
563 HAL_STUB_PLATFORM_INIT();
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST
jlarmour
parents: 103
diff changeset
564 #endif
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
565
110
84e4bde58b26 Merge from eCos master repository on 2000-07-14-22:00:02-BST
jlarmour
parents: 107
diff changeset
566 #ifndef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT // this should go away
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
567 #ifdef CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
568 // Get interrupt handler initialized.
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
569 HAL_STUB_PLATFORM_INIT_BREAK_IRQ();
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
570 #endif
110
84e4bde58b26 Merge from eCos master repository on 2000-07-14-22:00:02-BST
jlarmour
parents: 107
diff changeset
571 #endif // !CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
572 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
573
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
574 // Reset the board.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
575 void
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
576 __reset (void)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
577 {
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
578 #ifdef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
107
7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST
jlarmour
parents: 105
diff changeset
579 __call_if_reset_t __rom_reset = CYGACC_CALL_IF_RESET_GET();
101
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
580 if (__rom_reset)
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
581 __rom_reset();
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST
jlarmour
parents: 76
diff changeset
582 #else
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
583 HAL_STUB_PLATFORM_RESET();
76
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 70
diff changeset
584 #endif
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
585 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
586
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
587 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
588 // Breakpoint support.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
589
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
590 #ifndef CYGPKG_HAL_ARM
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
591 // This function will generate a breakpoint exception. It is used at
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
592 // the beginning of a program to sync up with a debugger and can be
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
593 // used otherwise as a quick means to stop program execution and
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
594 // "break" into the debugger.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
595 void
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
596 breakpoint()
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
597 {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
598 HAL_BREAKPOINT(_breakinst);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
599 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
600
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
601 // This function returns the opcode for a 'trap' instruction.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
602 unsigned long
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
603 __break_opcode ()
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
604 {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
605 return HAL_BREAKINST;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
606 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
607 #endif
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
608
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
609 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
610 // Write the 'T' packet in BUFFER. SIGVAL is the signal the program received.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
611 void
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
612 __build_t_packet (int sigval, char *buf)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
613 {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
614 target_register_t addr;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
615 char *ptr = buf;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
616
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
617 *ptr++ = 'T';
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
618 *ptr++ = __tohex (sigval >> 4);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
619 *ptr++ = __tohex (sigval);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
620
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
621 #ifdef CYGDBG_HAL_DEBUG_GDB_THREAD_SUPPORT
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
622 // Include thread ID if thread manipulation is required.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
623 {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
624 int id;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
625
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
626 *ptr++ = 't';
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
627 *ptr++ = 'h';
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
628 *ptr++ = 'r';
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
629 *ptr++ = 'e';
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
630 *ptr++ = 'a';
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
631 *ptr++ = 'd';
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
632 *ptr++ = ':';
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
633
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
634 #if (CYG_BYTEORDER == CYG_MSBFIRST)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
635 id = dbg_currthread_id ();
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
636 #else
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
637 // FIXME: Temporary workaround for PR 18903. Thread ID must be
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
638 // big-endian in the T packet.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
639 {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
640 unsigned char* bep = (unsigned char*)&id;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
641 int be_id;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
642
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
643 be_id = dbg_currthread_id ();
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
644 *bep++ = (be_id >> 24) & 0xff ;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
645 *bep++ = (be_id >> 16) & 0xff ;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
646 *bep++ = (be_id >> 8) & 0xff ;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
647 *bep++ = (be_id & 0xff) ;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
648 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
649 #endif
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
650 ptr = __mem2hex((char *)&id, ptr, sizeof(id), 0);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
651 *ptr++ = ';';
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
652 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
653 #endif
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
654
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
655 *ptr++ = __tohex (PC >> 4);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
656 *ptr++ = __tohex (PC);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
657 *ptr++ = ':';
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
658 addr = get_register (PC);
112
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
659 #ifdef CYGARC_REGSIZE_DIFFERS_FROM_TARGET_REGISTER_T
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
660 ptr = __mem2hex((char *)&addr, ptr, sizeof(addr), 0);
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
661 if (sizeof(addr) < REGSIZE(PC))
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
662 {
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
663 // GDB is expecting REGSIZE(PC) number of bytes.
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
664 // We only have sizeof(addr) number. Let's fill
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
665 // the appropriate number of bytes intelligently.
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
666 target_register_t extend_val = 0;
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
667 #ifdef CYGARC_SIGN_EXTEND_REGISTERS
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
668 {
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
669 unsigned long bits_in_addr = (sizeof(addr) << 3); // ie Size in bytes * 8
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
670 target_register_t sign_bit_mask = (1 << (bits_in_addr - 1));
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
671 if ((addr & sign_bit_mask) == sign_bit_mask)
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
672 extend_val = ~0;
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
673 }
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
674 #endif
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
675 ptr = __mem2hex((char *)&extend_val, ptr, REGSIZE(PC) - sizeof(addr), 0);
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
676 }
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
677 #else
34
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
678 ptr = __mem2hex((char *)&addr, ptr, REGSIZE(PC), 0);
112
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
679 #endif
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
680 *ptr++ = ';';
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
681
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
682 *ptr++ = __tohex (SP >> 4);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
683 *ptr++ = __tohex (SP);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
684 *ptr++ = ':';
112
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
685 addr = (target_register_t) get_register (SP);
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
686 #ifdef CYGARC_REGSIZE_DIFFERS_FROM_TARGET_REGISTER_T
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
687 ptr = __mem2hex((char *)&addr, ptr, sizeof(addr), 0);
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
688 if (sizeof(addr) < REGSIZE(SP))
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
689 {
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
690 // GDB is expecting REGSIZE(SP) number of bytes.
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
691 // We only have sizeof(addr) number. Let's fill
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
692 // the appropriate number of bytes intelligently.
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
693 target_register_t extend_val = 0;
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
694 #ifdef CYGARC_SIGN_EXTEND_REGISTERS
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
695 {
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
696 unsigned long bits_in_addr = (sizeof(addr) << 3); // ie Size in bytes * 8
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
697 target_register_t sign_bit_mask = (1 << (bits_in_addr - 1));
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
698 if ((addr & sign_bit_mask) == sign_bit_mask)
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
699 extend_val = ~0;
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
700 }
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
701 #endif
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
702 ptr = __mem2hex((char *)&extend_val, ptr, REGSIZE(SP) - sizeof(addr), 0);
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
703 }
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
704 #else
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
705 ptr = __mem2hex((char *)&addr, ptr, REGSIZE(SP), 0);
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
706 #endif
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
707 *ptr++ = ';';
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
708
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
709 *ptr++ = 0;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
710 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
711
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
712
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
713 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
714 // Cache functions.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
715
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
716 // Perform the specified operation on the instruction cache.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
717 // Returns 1 if the cache is enabled, 0 otherwise.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
718 int
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
719 __instruction_cache (cache_control_t request)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
720 {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
721 int state = 1;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
722
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
723 switch (request) {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
724 case CACHE_ENABLE:
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
725 HAL_ICACHE_ENABLE();
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
726 break;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
727 case CACHE_DISABLE:
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
728 HAL_ICACHE_DISABLE();
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
729 state = 0;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
730 break;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
731 case CACHE_FLUSH:
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
732 HAL_ICACHE_SYNC();
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
733 break;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
734 case CACHE_NOOP:
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
735 /* fall through */
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
736 default:
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
737 break;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
738 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
739
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
740 #ifdef HAL_ICACHE_IS_ENABLED
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
741 HAL_ICACHE_IS_ENABLED(state);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
742 #endif
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
743
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
744 return state;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
745 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
746
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
747 // Perform the specified operation on the data cache.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
748 // Returns 1 if the cache is enabled, 0 otherwise.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
749 int
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
750 __data_cache (cache_control_t request)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
751 {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
752 int state = 1;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
753
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
754 switch (request) {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
755 case CACHE_ENABLE:
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
756 HAL_DCACHE_ENABLE();
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
757 break;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
758 case CACHE_DISABLE:
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
759 HAL_DCACHE_DISABLE();
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
760 state = 0;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
761 break;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
762 case CACHE_FLUSH:
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
763 HAL_DCACHE_SYNC();
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
764 break;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
765 case CACHE_NOOP:
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
766 /* fall through */
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
767 default:
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
768 break;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
769 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
770 #ifdef HAL_DCACHE_IS_ENABLED
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
771 HAL_DCACHE_IS_ENABLED(state);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
772 #endif
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
773
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
774 return state;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
775 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
776
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
777 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
778 // Memory accessor functions.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
779
112
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST
jlarmour
parents: 110
diff changeset
780 volatile void *__mem_fault_handler = (void *)0;
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
781
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
782 /* These are the "arguments" to __do_read_mem and __do_write_mem,
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
783 which are passed as globals to avoid squeezing them thru
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
784 __set_mem_fault_trap. */
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
785
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
786 static volatile target_register_t memCount;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
787
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
788 static void
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
789 __do_copy_mem (unsigned char* src, unsigned char* dst)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
790 {
34
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
791 unsigned long *long_dst;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
792 unsigned long *long_src;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
793 unsigned short *short_dst;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
794 unsigned short *short_src;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
795
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
796 __mem_fault = 1; /* Defaults to 'fail'. Is cleared */
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
797 /* when the copy loop completes. */
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
798 __mem_fault_handler = &&err;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
799
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
800 // See if it's safe to do multi-byte, aligned operations
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
801 while (memCount) {
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
802 if ((memCount >= sizeof(long)) &&
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
803 (((target_register_t)dst & (sizeof(long)-1)) == 0) &&
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
804 (((target_register_t)src & (sizeof(long)-1)) == 0)) {
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
805
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
806 long_dst = (unsigned long *)dst;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
807 long_src = (unsigned long *)src;
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
808
34
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
809 *long_dst++ = *long_src++;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
810 memCount -= sizeof(long);
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
811
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
812 dst = (unsigned char *)long_dst;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
813 src = (unsigned char *)long_src;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
814 } else if ((memCount >= sizeof(short)) &&
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
815 (((target_register_t)dst & (sizeof(short)-1)) == 0) &&
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
816 (((target_register_t)src & (sizeof(short)-1)) == 0)) {
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
817
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
818 short_dst = (unsigned short *)dst;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
819 short_src = (unsigned short *)src;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
820
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
821 *short_dst++ = *short_src++;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
822 memCount -= sizeof(short);
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
823
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
824 dst = (unsigned char *)short_dst;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
825 src = (unsigned char *)short_src;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
826 } else {
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
827 *dst++ = *src++;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
828 memCount--;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
829 }
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
830 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
831
34
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
832 __mem_fault = 0;
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
833
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
834 err:
34
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
835 __mem_fault_handler = (void *)0;
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
836 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
837
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
838 /*
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
839 * __read_mem_safe:
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
840 * Get contents of target memory, abort on error.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
841 */
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
842
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
843 int
34
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
844 __read_mem_safe (void *dst, void *src, int count)
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
845 {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
846 memCount = count;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
847 __do_copy_mem((unsigned char*) src, (unsigned char*) dst);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
848 return count - memCount; // return number of bytes successfully read
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
849 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
850
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
851 /*
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
852 * __write_mem_safe:
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
853 * Set contents of target memory, abort on error.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
854 */
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
855
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
856 int
34
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST
jlarmour
parents: 30
diff changeset
857 __write_mem_safe (void *src, void *dst, int count)
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
858 {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
859 memCount = count;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
860 __do_copy_mem((unsigned char*) src, (unsigned char*) dst);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
861 return count - memCount; // return number of bytes successfully written
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
862 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
863
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
864 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
865 // Target extras?!
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
866 int
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
867 __process_target_query(char * pkt, char * out, int maxOut)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
868 { return 0 ; }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
869 int
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
870 __process_target_set(char * pkt, char * out, int maxout)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
871 { return 0 ; }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
872 int
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
873 __process_target_packet(char * pkt, char * out, int maxout)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
874 { return 0 ; }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
875
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
876 // GDB string output, making sure interrupts are disabled.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
877 // This function gets used by some diag output functions.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
878 void
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
879 hal_output_gdb_string(target_register_t str, int string_len)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
880 {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
881 unsigned long __state;
8
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST
jlarmour
parents: 6
diff changeset
882 HAL_DISABLE_INTERRUPTS(__state);
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
883 __output_gdb_string(str, string_len);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
884 HAL_RESTORE_INTERRUPTS(__state);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
885 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
886
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
887 #endif // CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS