sim/arm/dbg_rdi.h

   1 /*  dbg_rdi.h -- ARMulator RDI interface:  ARM6 Instruction Emulator.
   2     Copyright (C) 1994 Advanced RISC Machines Ltd.
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
  17
  18 #ifndef dbg_rdi__h
  19 #define dbg_rdi__h
  20
  21 /***************************************************************************\
  22 *                              Error Codes                                  *
  23 \***************************************************************************/
  24
  25 #define RDIError_NoError                0
  26
  27 #define RDIError_Reset                  1
  28 #define RDIError_UndefinedInstruction   2
  29 #define RDIError_SoftwareInterrupt      3
  30 #define RDIError_PrefetchAbort          4
  31 #define RDIError_DataAbort              5
  32 #define RDIError_AddressException       6
  33 #define RDIError_IRQ                    7
  34 #define RDIError_FIQ                    8
  35 #define RDIError_Error                  9
  36 #define RDIError_BranchThrough0         10
  37
  38 #define RDIError_NotInitialised         128
  39 #define RDIError_UnableToInitialise     129
  40 #define RDIError_WrongByteSex           130
  41 #define RDIError_UnableToTerminate      131
  42 #define RDIError_BadInstruction         132
  43 #define RDIError_IllegalInstruction     133
  44 #define RDIError_BadCPUStateSetting     134
  45 #define RDIError_UnknownCoPro           135
  46 #define RDIError_UnknownCoProState      136
  47 #define RDIError_BadCoProState          137
  48 #define RDIError_BadPointType           138
  49 #define RDIError_UnimplementedType      139
  50 #define RDIError_BadPointSize           140
  51 #define RDIError_UnimplementedSize      141
  52 #define RDIError_NoMorePoints           142
  53 #define RDIError_BreakpointReached      143
  54 #define RDIError_WatchpointAccessed     144
  55 #define RDIError_NoSuchPoint            145
  56 #define RDIError_ProgramFinishedInStep  146
  57 #define RDIError_UserInterrupt          147
  58 #define RDIError_CantSetPoint           148
  59 #define RDIError_IncompatibleRDILevels  149
  60
  61 #define RDIError_CantLoadConfig         150
  62 #define RDIError_BadConfigData          151
  63 #define RDIError_NoSuchConfig           152
  64 #define RDIError_BufferFull             153
  65 #define RDIError_OutOfStore             154
  66 #define RDIError_NotInDownload          155
  67 #define RDIError_PointInUse             156
  68 #define RDIError_BadImageFormat         157
  69 #define RDIError_TargetRunning          158
  70
  71 #define RDIError_LittleEndian           240
  72 #define RDIError_BigEndian              241
  73 #define RDIError_SoftInitialiseError    242
  74
  75 #define RDIError_InsufficientPrivilege  253
  76 #define RDIError_UnimplementedMessage   254
  77 #define RDIError_UndefinedMessage       255
  78
  79 /***************************************************************************\
  80 *                          RDP Message Numbers                              *
  81 \***************************************************************************/
  82
  83 #define RDP_Start               (unsigned char)0x0
  84 #define RDP_End                 (unsigned char)0x1
  85 #define RDP_Read                (unsigned char)0x2
  86 #define RDP_Write               (unsigned char)0x3
  87 #define RDP_CPUread             (unsigned char)0x4
  88 #define RDP_CPUwrite            (unsigned char)0x5
  89 #define RDP_CPread              (unsigned char)0x6
  90 #define RDP_CPwrite             (unsigned char)0x7
  91 #define RDP_SetBreak            (unsigned char)0xa
  92 #define RDP_ClearBreak          (unsigned char)0xb
  93 #define RDP_SetWatch            (unsigned char)0xc
  94 #define RDP_ClearWatch          (unsigned char)0xd
  95 #define RDP_Execute             (unsigned char)0x10
  96 #define RDP_Step                (unsigned char)0x11
  97 #define RDP_Info                (unsigned char)0x12
  98 #define RDP_OSOpReply           (unsigned char)0x13
  99
 100 #define RDP_AddConfig           (unsigned char)0x14
 101 #define RDP_LoadConfigData      (unsigned char)0x15
 102 #define RDP_SelectConfig        (unsigned char)0x16
 103 #define RDP_LoadAgent           (unsigned char)0x17
 104
 105 #define RDP_Stopped             (unsigned char)0x20
 106 #define RDP_OSOp                (unsigned char)0x21
 107 #define RDP_Fatal               (unsigned char)0x5e
 108 #define RDP_Return              (unsigned char)0x5f
 109 #define RDP_Reset               (unsigned char)0x7f
 110
 111 /***************************************************************************\
 112 *                            Other RDI values                               *
 113 \***************************************************************************/
 114
 115 #define RDISex_Little           0 /* the byte sex of the debuggee */
 116 #define RDISex_Big              1
 117 #define RDISex_DontCare         2
 118
 119 #define RDIPoint_EQ             0 /* the different types of break/watchpoints */
 120 #define RDIPoint_GT             1
 121 #define RDIPoint_GE             2
 122 #define RDIPoint_LT             3
 123 #define RDIPoint_LE             4
 124 #define RDIPoint_IN             5
 125 #define RDIPoint_OUT            6
 126 #define RDIPoint_MASK           7
 127
 128 #define RDIPoint_Inquiry        64  /* ORRed with point type in extended RDP */
 129 #define RDIPoint_Handle         128 /* messages                              */
 130
 131 #define RDIWatch_ByteRead       1 /* types of data accesses to watch for */
 132 #define RDIWatch_HalfRead       2
 133 #define RDIWatch_WordRead       4
 134 #define RDIWatch_ByteWrite      8
 135 #define RDIWatch_HalfWrite      16
 136 #define RDIWatch_WordWrite      32
 137
 138 #define RDIReg_R15              (1L << 15) /* mask values for CPU */
 139 #define RDIReg_PC               (1L << 16)
 140 #define RDIReg_CPSR             (1L << 17)
 141 #define RDIReg_SPSR             (1L << 18)
 142 #define RDINumCPURegs           19
 143
 144 #define RDINumCPRegs            10 /* current maximum */
 145
 146 #define RDIMode_Curr            255
 147
 148 /* Bits set in return value from RDIInfo_Target */
 149 #define RDITarget_LogSpeed              0x0f
 150 #define RDITarget_HW                    0x10      /* else emulator */
 151 #define RDITarget_AgentMaxLevel         0xe0
 152 #define RDITarget_AgentLevelShift       5
 153 #define RDITarget_DebuggerMinLevel      0x700
 154 #define RDITarget_DebuggerLevelShift    8
 155 #define RDITarget_CanReloadAgent        0x800
 156 #define RDITarget_CanInquireLoadSize    0x1000
 157
 158 /* Bits set in return value from RDIInfo_Step */
 159 #define RDIStep_Multiple                1
 160 #define RDIStep_PCChange                2
 161 #define RDIStep_Single                  4
 162
 163 /* Bits set in return value from RDIInfo_Points */
 164 #define RDIPointCapability_Comparison   1
 165 #define RDIPointCapability_Range        2
 166 /* 4 to 128 are RDIWatch_xx{Read,Write} left-shifted by two */
 167 #define RDIPointCapability_Mask         256
 168 #define RDIPointCapability_Status       512 /* Point status enquiries available */
 169
 170 /* RDI_Info subcodes */
 171 #define RDIInfo_Target          0
 172 #define RDIInfo_Points          1
 173 #define RDIInfo_Step            2
 174 #define RDIInfo_MMU             3
 175 #define RDIInfo_DownLoad        4   /* Inquires whether configuration download
 176                                        and selection is available.
 177                                      */
 178 #define RDIInfo_SemiHosting     5   /* Inquires whether RDISemiHosting_* RDI_Info
 179                                        calls are available.
 180                                      */
 181 #define RDIInfo_CoPro           6   /* Inquires whether CoPro RDI_Info calls are
 182                                        available.
 183                                      */
 184 #define RDIInfo_Icebreaker      7
 185
 186 /* The next two are only to be used if the value returned by RDIInfo_Points */
 187 /* has RDIPointCapability_Status set.                                       */
 188 #define RDIPointStatus_Watch    0x80
 189 #define RDIPointStatus_Break    0x81
 190
 191 #define RDISignal_Stop          0x100
 192
 193 #define RDIVector_Catch         0x180
 194
 195 /* The next four are only to be used if RDIInfo_Semihosting returned no error */
 196 #define RDISemiHosting_SetState 0x181
 197 #define RDISemiHosting_GetState 0x182
 198 #define RDISemiHosting_SetVector 0x183
 199 #define RDISemiHosting_GetVector 0x184
 200
 201 /* The next two are only to be used if RDIInfo_Icebreaker returned no error */
 202 #define RDIIcebreaker_GetLocks  0x185
 203 #define RDIIcebreaker_SetLocks  0x186
 204
 205 /* Only if RDIInfo_Target returned RDITarget_CanInquireLoadSize */
 206 #define RDIInfo_GetLoadSize     0x187
 207
 208 #define RDICycles               0x200
 209 #define RDICycles_Size          48
 210 #define RDIErrorP               0x201
 211
 212 #define RDISet_Cmdline          0x300
 213 #define RDISet_RDILevel         0x301
 214 #define RDISet_Thread           0x302
 215
 216 /* The next two are only to be used if RDIInfo_CoPro returned no error */
 217 #define RDIInfo_DescribeCoPro   0x400
 218 #define RDIInfo_RequestCoProDesc 0x401
 219
 220 #define RDIInfo_Log             0x800
 221 #define RDIInfo_SetLog          0x801
 222
 223 typedef unsigned long PointHandle;
 224 typedef unsigned long ThreadHandle;
 225 #define RDINoPointHandle        ((PointHandle)-1L)
 226 #define RDINoHandle             ((ThreadHandle)-1L)
 227
 228 struct Dbg_ConfigBlock;
 229 struct Dbg_HostosInterface;
 230 struct Dbg_MCState;
 231 typedef int rdi_open_proc(unsigned type, struct Dbg_ConfigBlock const *config,
 232                           struct Dbg_HostosInterface const *i,
 233                           struct Dbg_MCState *dbg_state);
 234 typedef int rdi_close_proc(void);
 235 typedef int rdi_read_proc(ARMword source, void *dest, unsigned *nbytes);
 236 typedef int rdi_write_proc(const void *source, ARMword dest, unsigned *nbytes);
 237 typedef int rdi_CPUread_proc(unsigned mode, unsigned long mask, ARMword *state);
 238 typedef int rdi_CPUwrite_proc(unsigned mode, unsigned long mask, ARMword const *state);
 239 typedef int rdi_CPread_proc(unsigned CPnum, unsigned long mask, ARMword *state);
 240 typedef int rdi_CPwrite_proc(unsigned CPnum, unsigned long mask, ARMword const *state);
 241 typedef int rdi_setbreak_proc(ARMword address, unsigned type, ARMword bound,
 242                               PointHandle *handle);
 243 typedef int rdi_clearbreak_proc(PointHandle handle);
 244 typedef int rdi_setwatch_proc(ARMword address, unsigned type, unsigned datatype,
 245                               ARMword bound, PointHandle *handle);
 246 typedef int rdi_clearwatch_proc(PointHandle handle);
 247 typedef int rdi_execute_proc(PointHandle *handle);
 248 typedef int rdi_step_proc(unsigned ninstr, PointHandle *handle);
 249 typedef int rdi_info_proc(unsigned type, ARMword *arg1, ARMword *arg2);
 250 typedef int rdi_pointinq_proc(ARMword *address, unsigned type,
 251                               unsigned datatype, ARMword *bound);
 252
 253 typedef enum {
 254     RDI_ConfigCPU,
 255     RDI_ConfigSystem
 256 } RDI_ConfigAspect;
 257
 258 typedef enum {
 259     RDI_MatchAny,
 260     RDI_MatchExactly,
 261     RDI_MatchNoEarlier
 262 } RDI_ConfigMatchType;
 263
 264 typedef int rdi_addconfig_proc(unsigned long nbytes);
 265 typedef int rdi_loadconfigdata_proc(unsigned long nbytes, char const *data);
 266 typedef int rdi_selectconfig_proc(RDI_ConfigAspect aspect, char const *name,
 267                                   RDI_ConfigMatchType matchtype, unsigned versionreq,
 268                                   unsigned *versionp);
 269
 270 typedef char *getbufferproc(void *getbarg, unsigned long *sizep);
 271 typedef int rdi_loadagentproc(ARMword dest, unsigned long size, getbufferproc *getb, void *getbarg);
 272
 273 typedef struct {
 274     int itemmax;
 275     char const * const *names;
 276 } RDI_NameList;
 277
 278 typedef RDI_NameList const *rdi_namelistproc(void);
 279
 280 typedef int rdi_errmessproc(char *buf, int buflen, int errno);
 281
 282 struct RDIProcVec {
 283     char rditypename[12];
 284
 285     rdi_open_proc       *open;
 286     rdi_close_proc      *close;
 287     rdi_read_proc       *read;
 288     rdi_write_proc      *write;
 289     rdi_CPUread_proc    *CPUread;
 290     rdi_CPUwrite_proc   *CPUwrite;
 291     rdi_CPread_proc     *CPread;
 292     rdi_CPwrite_proc    *CPwrite;
 293     rdi_setbreak_proc   *setbreak;
 294     rdi_clearbreak_proc *clearbreak;
 295     rdi_setwatch_proc   *setwatch;
 296     rdi_clearwatch_proc *clearwatch;
 297     rdi_execute_proc    *execute;
 298     rdi_step_proc       *step;
 299     rdi_info_proc       *info;
 300     /* V2 RDI */
 301     rdi_pointinq_proc   *pointinquiry;
 302
 303     /* These three useable only if RDIInfo_DownLoad returns no error */
 304     rdi_addconfig_proc  *addconfig;
 305     rdi_loadconfigdata_proc *loadconfigdata;
 306     rdi_selectconfig_proc *selectconfig;
 307
 308     rdi_namelistproc    *drivernames;
 309     rdi_namelistproc    *cpunames;
 310
 311     rdi_errmessproc     *errmess;
 312
 313     /* Only if RDIInfo_Target returns a value with RDITarget_LoadAgent set */
 314     rdi_loadagentproc   *loadagent;
 315 };
 316
 317 #endif
 318
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