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 3 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, see <http://www.gnu.org/licenses/>. */
  16
  17 #ifndef dbg_rdi__h
  18 #define dbg_rdi__h
  19
  20 /***************************************************************************\
  21 *                              Error Codes                                  *
  22 \***************************************************************************/
  23
  24 #define RDIError_NoError                0
  25
  26 #define RDIError_Reset                  1
  27 #define RDIError_UndefinedInstruction   2
  28 #define RDIError_SoftwareInterrupt      3
  29 #define RDIError_PrefetchAbort          4
  30 #define RDIError_DataAbort              5
  31 #define RDIError_AddressException       6
  32 #define RDIError_IRQ                    7
  33 #define RDIError_FIQ                    8
  34 #define RDIError_Error                  9
  35 #define RDIError_BranchThrough0         10
  36
  37 #define RDIError_NotInitialised         128
  38 #define RDIError_UnableToInitialise     129
  39 #define RDIError_WrongByteSex           130
  40 #define RDIError_UnableToTerminate      131
  41 #define RDIError_BadInstruction         132
  42 #define RDIError_IllegalInstruction     133
  43 #define RDIError_BadCPUStateSetting     134
  44 #define RDIError_UnknownCoPro           135
  45 #define RDIError_UnknownCoProState      136
  46 #define RDIError_BadCoProState          137
  47 #define RDIError_BadPointType           138
  48 #define RDIError_UnimplementedType      139
  49 #define RDIError_BadPointSize           140
  50 #define RDIError_UnimplementedSize      141
  51 #define RDIError_NoMorePoints           142
  52 #define RDIError_BreakpointReached      143
  53 #define RDIError_WatchpointAccessed     144
  54 #define RDIError_NoSuchPoint            145
  55 #define RDIError_ProgramFinishedInStep  146
  56 #define RDIError_UserInterrupt          147
  57 #define RDIError_CantSetPoint           148
  58 #define RDIError_IncompatibleRDILevels  149
  59
  60 #define RDIError_CantLoadConfig         150
  61 #define RDIError_BadConfigData          151
  62 #define RDIError_NoSuchConfig           152
  63 #define RDIError_BufferFull             153
  64 #define RDIError_OutOfStore             154
  65 #define RDIError_NotInDownload          155
  66 #define RDIError_PointInUse             156
  67 #define RDIError_BadImageFormat         157
  68 #define RDIError_TargetRunning          158
  69
  70 #define RDIError_LittleEndian           240
  71 #define RDIError_BigEndian              241
  72 #define RDIError_SoftInitialiseError    242
  73
  74 #define RDIError_InsufficientPrivilege  253
  75 #define RDIError_UnimplementedMessage   254
  76 #define RDIError_UndefinedMessage       255
  77
  78 /***************************************************************************\
  79 *                          RDP Message Numbers                              *
  80 \***************************************************************************/
  81
  82 #define RDP_Start               (unsigned char)0x0
  83 #define RDP_End                 (unsigned char)0x1
  84 #define RDP_Read                (unsigned char)0x2
  85 #define RDP_Write               (unsigned char)0x3
  86 #define RDP_CPUread             (unsigned char)0x4
  87 #define RDP_CPUwrite            (unsigned char)0x5
  88 #define RDP_CPread              (unsigned char)0x6
  89 #define RDP_CPwrite             (unsigned char)0x7
  90 #define RDP_SetBreak            (unsigned char)0xa
  91 #define RDP_ClearBreak          (unsigned char)0xb
  92 #define RDP_SetWatch            (unsigned char)0xc
  93 #define RDP_ClearWatch          (unsigned char)0xd
  94 #define RDP_Execute             (unsigned char)0x10
  95 #define RDP_Step                (unsigned char)0x11
  96 #define RDP_Info                (unsigned char)0x12
  97 #define RDP_OSOpReply           (unsigned char)0x13
  98
  99 #define RDP_AddConfig           (unsigned char)0x14
 100 #define RDP_LoadConfigData      (unsigned char)0x15
 101 #define RDP_SelectConfig        (unsigned char)0x16
 102 #define RDP_LoadAgent           (unsigned char)0x17
 103
 104 #define RDP_Stopped             (unsigned char)0x20
 105 #define RDP_OSOp                (unsigned char)0x21
 106 #define RDP_Fatal               (unsigned char)0x5e
 107 #define RDP_Return              (unsigned char)0x5f
 108 #define RDP_Reset               (unsigned char)0x7f
 109
 110 /***************************************************************************\
 111 *                            Other RDI values                               *
 112 \***************************************************************************/
 113
 114 #define RDISex_Little           0       /* the byte sex of the debuggee */
 115 #define RDISex_Big              1
 116 #define RDISex_DontCare         2
 117
 118 #define RDIPoint_EQ             0       /* the different types of break/watchpoints */
 119 #define RDIPoint_GT             1
 120 #define RDIPoint_GE             2
 121 #define RDIPoint_LT             3
 122 #define RDIPoint_LE             4
 123 #define RDIPoint_IN             5
 124 #define RDIPoint_OUT            6
 125 #define RDIPoint_MASK           7
 126
 127 #define RDIPoint_Inquiry        64      /* ORRed with point type in extended RDP */
 128 #define RDIPoint_Handle         128     /* messages                              */
 129
 130 #define RDIWatch_ByteRead       1       /* types of data accesses to watch for */
 131 #define RDIWatch_HalfRead       2
 132 #define RDIWatch_WordRead       4
 133 #define RDIWatch_ByteWrite      8
 134 #define RDIWatch_HalfWrite      16
 135 #define RDIWatch_WordWrite      32
 136
 137 #define RDIReg_R15              (1L << 15)      /* mask values for CPU */
 138 #define RDIReg_PC               (1L << 16)
 139 #define RDIReg_CPSR             (1L << 17)
 140 #define RDIReg_SPSR             (1L << 18)
 141 #define RDINumCPURegs           19
 142
 143 #define RDINumCPRegs            10      /* current maximum */
 144
 145 #define RDIMode_Curr            255
 146
 147 /* Bits set in return value from RDIInfo_Target */
 148 #define RDITarget_LogSpeed              0x0f
 149 #define RDITarget_HW                    0x10    /* else emulator */
 150 #define RDITarget_AgentMaxLevel         0xe0
 151 #define RDITarget_AgentLevelShift       5
 152 #define RDITarget_DebuggerMinLevel      0x700
 153 #define RDITarget_DebuggerLevelShift    8
 154 #define RDITarget_CanReloadAgent        0x800
 155 #define RDITarget_CanInquireLoadSize    0x1000
 156
 157 /* Bits set in return value from RDIInfo_Step */
 158 #define RDIStep_Multiple                1
 159 #define RDIStep_PCChange                2
 160 #define RDIStep_Single                  4
 161
 162 /* Bits set in return value from RDIInfo_Points */
 163 #define RDIPointCapability_Comparison   1
 164 #define RDIPointCapability_Range        2
 165 /* 4 to 128 are RDIWatch_xx{Read,Write} left-shifted by two */
 166 #define RDIPointCapability_Mask         256
 167 #define RDIPointCapability_Status       512     /* Point status enquiries available */
 168
 169 /* RDI_Info subcodes */
 170 #define RDIInfo_Target          0
 171 #define RDIInfo_Points          1
 172 #define RDIInfo_Step            2
 173 #define RDIInfo_MMU             3
 174 #define RDIInfo_DownLoad        4       /* Inquires whether configuration download
 175                                            and selection is available.
 176                                          */
 177 #define RDIInfo_SemiHosting     5       /* Inquires whether RDISemiHosting_* RDI_Info
 178                                            calls are available.
 179                                          */
 180 #define RDIInfo_CoPro           6       /* Inquires whether CoPro RDI_Info calls are
 181                                            available.
 182                                          */
 183 #define RDIInfo_Icebreaker      7
 184
 185 /* The next two are only to be used if the value returned by RDIInfo_Points */
 186 /* has RDIPointCapability_Status set.                                       */
 187 #define RDIPointStatus_Watch    0x80
 188 #define RDIPointStatus_Break    0x81
 189
 190 #define RDISignal_Stop          0x100
 191
 192 #define RDIVector_Catch         0x180
 193
 194 /* The next four are only to be used if RDIInfo_Semihosting returned no error */
 195 #define RDISemiHosting_SetState 0x181
 196 #define RDISemiHosting_GetState 0x182
 197 #define RDISemiHosting_SetVector 0x183
 198 #define RDISemiHosting_GetVector 0x184
 199
 200 /* The next two are only to be used if RDIInfo_Icebreaker returned no error */
 201 #define RDIIcebreaker_GetLocks  0x185
 202 #define RDIIcebreaker_SetLocks  0x186
 203
 204 /* Only if RDIInfo_Target returned RDITarget_CanInquireLoadSize */
 205 #define RDIInfo_GetLoadSize     0x187
 206
 207 #define RDICycles               0x200
 208 #define RDICycles_Size          48
 209 #define RDIErrorP               0x201
 210
 211 #define RDISet_Cmdline          0x300
 212 #define RDISet_RDILevel         0x301
 213 #define RDISet_Thread           0x302
 214
 215 /* The next two are only to be used if RDIInfo_CoPro returned no error */
 216 #define RDIInfo_DescribeCoPro   0x400
 217 #define RDIInfo_RequestCoProDesc 0x401
 218
 219 #define RDIInfo_Log             0x800
 220 #define RDIInfo_SetLog          0x801
 221
 222 typedef unsigned long PointHandle;
 223 typedef unsigned long ThreadHandle;
 224 #define RDINoPointHandle        ((PointHandle)-1L)
 225 #define RDINoHandle             ((ThreadHandle)-1L)
 226
 227 struct Dbg_ConfigBlock;
 228 struct Dbg_HostosInterface;
 229 struct Dbg_MCState;
 230 typedef int rdi_open_proc (unsigned type,
 231                            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,
 237                             unsigned *nbytes);
 238 typedef int rdi_CPUread_proc (unsigned mode, unsigned long mask,
 239                               ARMword * state);
 240 typedef int rdi_CPUwrite_proc (unsigned mode, unsigned long mask,
 241                                ARMword const *state);
 242 typedef int rdi_CPread_proc (unsigned CPnum, unsigned long mask,
 243                              ARMword * state);
 244 typedef int rdi_CPwrite_proc (unsigned CPnum, unsigned long mask,
 245                               ARMword const *state);
 246 typedef int rdi_setbreak_proc (ARMword address, unsigned type, ARMword bound,
 247                                PointHandle * handle);
 248 typedef int rdi_clearbreak_proc (PointHandle handle);
 249 typedef int rdi_setwatch_proc (ARMword address, unsigned type,
 250                                unsigned datatype, ARMword bound,
 251                                PointHandle * handle);
 252 typedef int rdi_clearwatch_proc (PointHandle handle);
 253 typedef int rdi_execute_proc (PointHandle * handle);
 254 typedef int rdi_step_proc (unsigned ninstr, PointHandle * handle);
 255 typedef int rdi_info_proc (unsigned type, ARMword * arg1, ARMword * arg2);
 256 typedef int rdi_pointinq_proc (ARMword * address, unsigned type,
 257                                unsigned datatype, ARMword * bound);
 258
 259 typedef enum
 260 {
 261   RDI_ConfigCPU,
 262   RDI_ConfigSystem
 263 }
 264 RDI_ConfigAspect;
 265
 266 typedef enum
 267 {
 268   RDI_MatchAny,
 269   RDI_MatchExactly,
 270   RDI_MatchNoEarlier
 271 }
 272 RDI_ConfigMatchType;
 273
 274 typedef int rdi_addconfig_proc (unsigned long nbytes);
 275 typedef int rdi_loadconfigdata_proc (unsigned long nbytes, char const *data);
 276 typedef int rdi_selectconfig_proc (RDI_ConfigAspect aspect, char const *name,
 277                                    RDI_ConfigMatchType matchtype,
 278                                    unsigned versionreq, unsigned *versionp);
 279
 280 typedef char *getbufferproc (void *getbarg, unsigned long *sizep);
 281 typedef int rdi_loadagentproc (ARMword dest, unsigned long size,
 282                                getbufferproc * getb, void *getbarg);
 283
 284 typedef struct
 285 {
 286   int itemmax;
 287   char const *const *names;
 288 }
 289 RDI_NameList;
 290
 291 typedef RDI_NameList const *rdi_namelistproc (void);
 292
 293 typedef int rdi_errmessproc (char *buf, int buflen, int errno);
 294
 295 struct RDIProcVec
 296 {
 297   char rditypename[12];
 298
 299   rdi_open_proc *open;
 300   rdi_close_proc *close;
 301   rdi_read_proc *read;
 302   rdi_write_proc *write;
 303   rdi_CPUread_proc *CPUread;
 304   rdi_CPUwrite_proc *CPUwrite;
 305   rdi_CPread_proc *CPread;
 306   rdi_CPwrite_proc *CPwrite;
 307   rdi_setbreak_proc *setbreak;
 308   rdi_clearbreak_proc *clearbreak;
 309   rdi_setwatch_proc *setwatch;
 310   rdi_clearwatch_proc *clearwatch;
 311   rdi_execute_proc *execute;
 312   rdi_step_proc *step;
 313   rdi_info_proc *info;
 314   /* V2 RDI */
 315   rdi_pointinq_proc *pointinquiry;
 316
 317   /* These three useable only if RDIInfo_DownLoad returns no error */
 318   rdi_addconfig_proc *addconfig;
 319   rdi_loadconfigdata_proc *loadconfigdata;
 320   rdi_selectconfig_proc *selectconfig;
 321
 322   rdi_namelistproc *drivernames;
 323   rdi_namelistproc *cpunames;
 324
 325   rdi_errmessproc *errmess;
 326
 327   /* Only if RDIInfo_Target returns a value with RDITarget_LoadAgent set */
 328   rdi_loadagentproc *loadagent;
 329 };
 330
 331 #endif
 332
 333 extern unsigned int swi_mask;
 334
 335 #define SWI_MASK_DEMON          (1 << 0)
 336 #define SWI_MASK_ANGEL          (1 << 1)
 337 #define SWI_MASK_REDBOOT        (1 << 2)