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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, 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
223typedef unsigned long PointHandle;
224typedef unsigned long ThreadHandle;
225#define RDINoPointHandle        ((PointHandle)-1L)
226#define RDINoHandle             ((ThreadHandle)-1L)
227
228struct Dbg_ConfigBlock;
229struct Dbg_HostosInterface;
230struct Dbg_MCState;
231typedef int rdi_open_proc (unsigned type,
232			   struct Dbg_ConfigBlock const *config,
233			   struct Dbg_HostosInterface const *i,
234			   struct Dbg_MCState *dbg_state);
235typedef int rdi_close_proc (void);
236typedef int rdi_read_proc (ARMword source, void *dest, unsigned *nbytes);
237typedef int rdi_write_proc (const void *source, ARMword dest,
238			    unsigned *nbytes);
239typedef int rdi_CPUread_proc (unsigned mode, unsigned long mask,
240			      ARMword * state);
241typedef int rdi_CPUwrite_proc (unsigned mode, unsigned long mask,
242			       ARMword const *state);
243typedef int rdi_CPread_proc (unsigned CPnum, unsigned long mask,
244			     ARMword * state);
245typedef int rdi_CPwrite_proc (unsigned CPnum, unsigned long mask,
246			      ARMword const *state);
247typedef int rdi_setbreak_proc (ARMword address, unsigned type, ARMword bound,
248			       PointHandle * handle);
249typedef int rdi_clearbreak_proc (PointHandle handle);
250typedef int rdi_setwatch_proc (ARMword address, unsigned type,
251			       unsigned datatype, ARMword bound,
252			       PointHandle * handle);
253typedef int rdi_clearwatch_proc (PointHandle handle);
254typedef int rdi_execute_proc (PointHandle * handle);
255typedef int rdi_step_proc (unsigned ninstr, PointHandle * handle);
256typedef int rdi_info_proc (unsigned type, ARMword * arg1, ARMword * arg2);
257typedef int rdi_pointinq_proc (ARMword * address, unsigned type,
258			       unsigned datatype, ARMword * bound);
259
260typedef enum
261{
262  RDI_ConfigCPU,
263  RDI_ConfigSystem
264}
265RDI_ConfigAspect;
266
267typedef enum
268{
269  RDI_MatchAny,
270  RDI_MatchExactly,
271  RDI_MatchNoEarlier
272}
273RDI_ConfigMatchType;
274
275typedef int rdi_addconfig_proc (unsigned long nbytes);
276typedef int rdi_loadconfigdata_proc (unsigned long nbytes, char const *data);
277typedef int rdi_selectconfig_proc (RDI_ConfigAspect aspect, char const *name,
278				   RDI_ConfigMatchType matchtype,
279				   unsigned versionreq, unsigned *versionp);
280
281typedef char *getbufferproc (void *getbarg, unsigned long *sizep);
282typedef int rdi_loadagentproc (ARMword dest, unsigned long size,
283			       getbufferproc * getb, void *getbarg);
284
285typedef struct
286{
287  int itemmax;
288  char const *const *names;
289}
290RDI_NameList;
291
292typedef RDI_NameList const *rdi_namelistproc (void);
293
294typedef int rdi_errmessproc (char *buf, int buflen, int errno);
295
296struct RDIProcVec
297{
298  char rditypename[12];
299
300  rdi_open_proc *open;
301  rdi_close_proc *close;
302  rdi_read_proc *read;
303  rdi_write_proc *write;
304  rdi_CPUread_proc *CPUread;
305  rdi_CPUwrite_proc *CPUwrite;
306  rdi_CPread_proc *CPread;
307  rdi_CPwrite_proc *CPwrite;
308  rdi_setbreak_proc *setbreak;
309  rdi_clearbreak_proc *clearbreak;
310  rdi_setwatch_proc *setwatch;
311  rdi_clearwatch_proc *clearwatch;
312  rdi_execute_proc *execute;
313  rdi_step_proc *step;
314  rdi_info_proc *info;
315  /* V2 RDI */
316  rdi_pointinq_proc *pointinquiry;
317
318  /* These three useable only if RDIInfo_DownLoad returns no error */
319  rdi_addconfig_proc *addconfig;
320  rdi_loadconfigdata_proc *loadconfigdata;
321  rdi_selectconfig_proc *selectconfig;
322
323  rdi_namelistproc *drivernames;
324  rdi_namelistproc *cpunames;
325
326  rdi_errmessproc *errmess;
327
328  /* Only if RDIInfo_Target returns a value with RDITarget_LoadAgent set */
329  rdi_loadagentproc *loadagent;
330};
331
332#endif
333
334extern unsigned int swi_mask;
335
336#define SWI_MASK_DEMON		(1 << 0)
337#define SWI_MASK_ANGEL		(1 << 1)
338#define SWI_MASK_REDBOOT	(1 << 2)
339