include/cmd_bedbug.h

   1 /*
   2  * BedBug Functions
   3  */
   4 #ifndef _CMD_BEDBUG_H
   5 #define _CMD_BEDBUG_H
   6
   7 #if (CONFIG_COMMANDS & CFG_CMD_BEDBUG)
   8
   9 #define CMD_TBL_DIS     MK_CMD_TBL_ENTRY(                               \
  10         "ds",           2,      3,      1,      do_bedbug_dis,          \
  11         "ds      - disassemble memory\n",                               \
  12         "ds <address> [# instructions]\n"                               \
  13         ),
  14
  15 #define CMD_TBL_ASM     MK_CMD_TBL_ENTRY(                               \
  16         "as",           2,      2,      0,      do_bedbug_asm,          \
  17         "as      - assemble memory\n",                                  \
  18         "as <address>\n"                                                \
  19         ),
  20
  21 #define CMD_TBL_BREAK   MK_CMD_TBL_ENTRY(                               \
  22         "break",        2,      3,      0,      do_bedbug_break,        \
  23         "break   - set or clear a breakpoint\n",                        \
  24         " - Set or clear a breakpoint\n"                                \
  25         "break <address> - Break at an address\n"                       \
  26         "break off <bp#> - Disable breakpoint.\n"                       \
  27         "break show      - List breakpoints.\n"                         \
  28         ),
  29
  30 #define CMD_TBL_CONTINUE        MK_CMD_TBL_ENTRY(                       \
  31         "continue",     4,      1,      0,      do_bedbug_continue,     \
  32         "continue- continue from a breakpoint\n",                       \
  33         " - continue from a breakpoint.\n"                              \
  34         ),
  35
  36 #define CMD_TBL_STEP        MK_CMD_TBL_ENTRY(                           \
  37         "step", 4,      1,      1,      do_bedbug_step,                 \
  38         "step    - single step execution.\n",                           \
  39         " - single step execution.\n"                                   \
  40         ),
  41
  42 #define CMD_TBL_NEXT        MK_CMD_TBL_ENTRY(                           \
  43         "next", 4,      1,      1,      do_bedbug_next,                 \
  44         "next    - single step execution, stepping over subroutines.\n",\
  45         " - single step execution, stepping over subroutines.\n"        \
  46         ),
  47
  48 #define CMD_TBL_STACK        MK_CMD_TBL_ENTRY(                          \
  49         "where", 5,     1,      1,      do_bedbug_stack,                \
  50         "where   - Print the running stack.\n",                         \
  51         " - Print the running stack.\n"                                 \
  52         ),
  53
  54 #define CMD_TBL_RDUMP        MK_CMD_TBL_ENTRY(                          \
  55         "rdump", 5,     1,      1,      do_bedbug_rdump,                \
  56         "rdump   - Show registers.\n",                                  \
  57         " - Show registers.\n"                                          \
  58         ),
  59
  60 extern int do_bedbug_dis      (cmd_tbl_t *, int, int, char *[]);
  61 extern int do_bedbug_asm      (cmd_tbl_t *, int, int, char *[]);
  62 extern int do_bedbug_break    (cmd_tbl_t *, int, int, char *[]);
  63 extern int do_bedbug_continue (cmd_tbl_t *, int, int, char *[]);
  64 extern int do_bedbug_step     (cmd_tbl_t *, int, int, char *[]);
  65 extern int do_bedbug_next     (cmd_tbl_t *, int, int, char *[]);
  66 extern int do_bedbug_stack    (cmd_tbl_t *, int, int, char *[]);
  67 extern int do_bedbug_rdump    (cmd_tbl_t *, int, int, char *[]);
  68
  69 /* Supporting routines */
  70 extern int bedbug_puts (const char *);
  71 extern void bedbug_init (void);
  72 extern void do_bedbug_breakpoint (struct pt_regs *);
  73 extern void bedbug_main_loop (unsigned long, struct pt_regs *);
  74
  75
  76 typedef struct {
  77         int hw_debug_enabled;
  78         int stopped;
  79         int current_bp;
  80         struct pt_regs *regs;
  81
  82         void (*do_break) (cmd_tbl_t *, int, int, char *[]);
  83         void (*break_isr) (struct pt_regs *);
  84         int (*find_empty) (void);
  85         int (*set) (int, unsigned long);
  86         int (*clear) (int);
  87 } CPU_DEBUG_CTX;
  88
  89 #else /* ! CFG_CMD_BEDBUG */
  90
  91 #define CMD_TBL_DIS
  92 #define CMD_TBL_ASM
  93 #define CMD_TBL_BREAK
  94 #define CMD_TBL_CONTINUE
  95 #define CMD_TBL_STEP
  96 #define CMD_TBL_NEXT
  97 #define CMD_TBL_STACK
  98 #define CMD_TBL_RDUMP
  99
 100 #endif /* CFG_CMD_BEDBUG */
 101 #endif /* _CMD_BEDBUG_H */
 102
 103
 104 /*
 105  * Copyright (c) 2001 William L. Pitts
 106  * All rights reserved.
 107  *
 108  * Redistribution and use in source and binary forms are freely
 109  * permitted provided that the above copyright notice and this
 110  * paragraph and the following disclaimer are duplicated in all
 111  * such forms.
 112  *
 113  * This software is provided "AS IS" and without any express or
 114  * implied warranties, including, without limitation, the implied
 115  * warranties of merchantability and fitness for a particular
 116  * purpose.
 117  */