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comparison packages/cygmon/current/misc/monitor.h @ 76:435cced73e2f ecos-v1_3_1-release

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eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
author jlarmour
date Tue, 28 Mar 2000 14:10:45 +0000
parents
children 02ea4320376c
comparison
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75:41bf073c0c32 76:435cced73e2f
1 //==========================================================================
2 //
3 // monitor.h
4 //
5 // Main definitions for the CygMON ROM monitor
6 //
7 //==========================================================================
8 //####COPYRIGHTBEGIN####
9 //
10 // -------------------------------------------
11 // The contents of this file are subject to the Red Hat eCos Public License
12 // Version 1.1 (the "License"); you may not use this file except in
13 // compliance with the License. You may obtain a copy of the License at
14 // http://www.redhat.com/
15 //
16 // Software distributed under the License is distributed on an "AS IS"
17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
18 // License for the specific language governing rights and limitations under
19 // the License.
20 //
21 // The Original Code is eCos - Embedded Configurable Operating System,
22 // released September 30, 1998.
23 //
24 // The Initial Developer of the Original Code is Red Hat.
25 // Portions created by Red Hat are
26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
27 // All Rights Reserved.
28 // -------------------------------------------
29 //
30 //####COPYRIGHTEND####
31 //==========================================================================
32 //#####DESCRIPTIONBEGIN####
33 //
34 // Author(s):
35 // Contributors: gthomas
36 // Date: 1999-10-20
37 // Purpose: Main definitions for the CygMON ROM monitor
38 // Description:
39 //
40 //
41 //####DESCRIPTIONEND####
42 //
43 //=========================================================================
44
45 #ifndef MONITOR_H
46 #define MONITOR_H
47
48 #if !defined(__ASSEMBLER__)
49 #include <stdarg.h>
50 #endif
51
52 #include <board.h>
53 #ifdef HAVE_BSP
54 #include "cpu_info.h"
55 #endif
56 #include <monitor_cmd.h>
57
58 #ifndef ASM
59
60 #ifdef HAVE_BSP
61 #define xprintf bsp_dprintf
62 #define xsprintf bsp_sprintf
63 #define xvprintf bsp_vprintf
64 #define xputchar bsp_debug_putc
65 #define xgetchar bsp_debug_getc
66 #define xungetchar bsp_debug_ungetc
67 #define __getTty() bsp_set_debug_comm(-1)
68 #define set_pc(x) bsp_set_pc((x), mon_saved_regs)
69 #define __single_step() bsp_singlestep_setup(mon_saved_regs)
70 #define __reset bsp_reset
71 #define breakpoint() bsp_breakpoint()
72 #else
73 extern void xprintf(const char *fmt, ...);
74 extern void xsprintf(char *str, const char *fmt, ...);
75 extern void xvprintf(const char *fmt, va_list ap);
76
77 #ifdef HAS_USER_IO
78 #define xputchar putUserChar
79 #define xgetchar getUserChar
80 #else
81 extern void putDebugChar(int ch);
82 extern int getDebugChar(void);
83 #define xputchar putDebugChar
84 #define xgetchar getDebugChar
85 #endif
86 #define xungetchar ungetDebugChar
87 #endif
88
89
90 struct bp {
91 mem_addr_t address;
92 bp_inst_t old_inst;
93 char in_memory;
94 struct bp *next;
95 };
96
97 struct regstruct
98 {
99 char *registername;
100 int registernumber;
101 #ifdef HAVE_BSP
102 int registertype;
103 #endif
104 };
105
106
107
108 #ifdef HAVE_BSP
109 #define REGTYPE_INT 1
110 #define REGTYPE_FLOAT 2
111 #define REGTYPE_DOUBLE 3
112
113 union target_reg
114 {
115 unsigned long i; /* integer register (32/64 bit) */
116 #if HAVE_FLOAT_REGS
117 float f; /* float register (32bit) */
118 #endif
119 #if HAVE_DOUBLE_REGS
120 double d; /* double register (64bit) */
121 #endif
122 };
123
124 typedef union target_reg target_regval_t;
125
126
127 /* This is a template for what should be defined in the board specific
128 header file composed, board.h */
129 #if ! defined(MEM_ADDR_DEFINED)
130 #define MEM_ADDR_DEFINED 1
131 typedef struct mem_addr {
132 unsigned long addr;
133 } mem_addr_t;
134 #endif
135
136 #if !defined(BP_INST_T_DEFINED)
137 #define BP_INST_T_DEFINED 1
138 typedef unsigned char bp_inst_t ;
139 #endif
140
141 #if ! defined(MAKE_STD_ADDR)
142 #define MAKE_STD_ADDR(SRC, DST) ((DST)->addr = (SRC))
143 #endif
144
145
146 #if ! defined(ADD_OFFSET)
147 #define ADD_OFFSET(SRC,DST,OFFSET) ((DST)->addr = (SRC)->addr + (OFFSET))
148 #endif
149
150 #if ! defined(ADD_ALIGN)
151 #define ADD_ALIGN(SRC,DST,ALIGN) \
152 ((DST)->addr = (SRC)->addr - ((SRC)->addr % (ALIGN)))
153 #endif
154
155 #if ! defined(MEM_ADDR_EQ_P)
156 #define MEM_ADDR_EQ_P(A, B) ((A).addr == (B).addr)
157 #endif
158
159 #if ! defined(MEM_ADDR_DIFF)
160 #define MEM_ADDR_DIFF(A, B) ((A).addr - (B).addr)
161 #endif
162
163 #if ! defined(MEM_ADDR_ASI)
164 #define MEM_ADDR_ASI(A) -1
165 #endif
166
167 #endif /* HAVE_BSP */
168
169 #if defined(NO_MALLOC) && ! defined(MAX_NUM_BP)
170 #define MAX_NUM_BP 64
171 #endif
172
173 extern struct regstruct regtab[];
174
175 extern char **argvect;
176
177 #ifdef HAVE_BSP
178 #define VERSION "release 2.0"
179 #else
180 #define VERSION "release 1.2"
181 #endif
182
183 #define MAXLINELEN 80
184 #define PROMPT "cygmon> "
185 #if ! defined MAX_HIST_ENTS
186 #define MAX_HIST_ENTS 10
187 #endif
188
189 /*
190 * From monitor.c
191 */
192 extern mem_addr_t last_pc;
193 extern int stub_is_active;
194 #ifdef HAVE_BSP
195 extern void *mon_saved_regs;
196 #else
197 extern int (*user_signal_handler)(int);
198 #endif
199
200 extern void clear_user_state (void);
201 extern int transfer_to_stub (void);
202 extern void version (void);
203 #ifdef MONITOR_CONTROL_INTERRUPTS
204 /* Enable interrupts within the monitor. */
205 extern void monitor_enable_interrupts (void);
206
207 /* Disable interrupts within the monitor. */
208 extern void monitor_disable_interrupts (void);
209
210 /* Returns 1 if interrupts have been enabled within the monitor, 0
211 otherwise. */
212 extern int monitor_interrupt_state (void);
213 #endif /* MONITOR_CONTROL_INTERRUPTS */
214
215
216 /*
217 * From utils.c
218 */
219 extern int switch_to_stub_flag;
220 extern int input_char (void);
221 extern target_register_t str2int (char *str, int base);
222 #if HAVE_DOUBLE_REGS
223 extern double str2double (char *str, int base);
224 #endif
225 extern target_register_t str2intlen (char *str, int base, int len);
226 extern int hex2bytes(char *string, char *dest, int maxsize);
227 extern char *int2str (target_register_t number, int base, int numdigs);
228 #ifndef NO_MALLOC
229 extern char *strdup(const char *str);
230 #endif
231 extern target_register_t get_pc(void);
232 extern char *get_register_str (regnames_t which, int detail);
233 extern void store_register (regnames_t which, char *string);
234
235 /*
236 * From breakpoints.c
237 */
238 extern int add_mon_breakpoint (mem_addr_t location);
239 extern void install_breakpoints (void);
240 extern void clear_breakpoints (void);
241 extern int show_breakpoints (void);
242 extern int clear_mon_breakpoint (mem_addr_t location);
243
244
245 /*
246 * From do-dis.c
247 */
248 extern mem_addr_t do_dis (mem_addr_t *addr);
249 extern void flush_dis (void);
250
251
252 /*
253 * From architecture-mon.c
254 */
255 #ifdef HAVE_BSP
256 extern void initialize_mon(void);
257 extern target_regval_t get_register(int regnum);
258 extern void put_register(int regnum, target_regval_t val);
259 #endif
260
261
262 /* Lame. */
263 #ifndef ITIMER_REAL
264 #define ITIMER_REAL 0
265 #endif
266
267 #endif /* ASM */
268 #endif