1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
|
/***************************************************************************
* Copyright (C) 2005-2007 Nicolas Hadacek <[email protected]> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
***************************************************************************/
#include "icd2_debug_specific.h"
#include "devices/pic/base/pic_register.h"
#include "icd2_data.h"
//----------------------------------------------------------------------------
Address Icd2::P16FDebuggerSpecific::addressWREG() const
{
return FAMILY_DATA[family(device()->name())].wreg;
}
Address Icd2::P16FDebuggerSpecific::addressRegister(Address address) const
{
TQString name = device()->registersData().sfrNames[address];
if ( name=="FSR" ) return FAMILY_DATA[family(device()->name())].fsr;
if ( name=="STATUS" ) return FAMILY_DATA[family(device()->name())].status;
return address;
}
bool Icd2::P16FDebuggerSpecific::reset()
{
if ( !hardware()->setTargetReset(Pic::ResetHeld) ) return false;
return init(true);
}
bool Icd2::P16FDebuggerSpecific::setBreakpoint(Address address)
{
if ( !address.isValid() ) address = 0x1FFF; // outside memory range
BitValue value = address.toUInt() | 0x8000; // read-only INBUG bit
return hardware()->writeRegister(0x18E, value, 2);
}
bool Icd2::P16FDebuggerSpecific::readBreakpoint(BitValue &value)
{
if ( !hardware()->readRegister(0x18E, value, 2) ) return false;
value = value.maskWith(0x1FFF);
return true;
}
bool Icd2::P16FDebuggerSpecific::beginInit(Device::Array *saved)
{
if ( !hardware()->setTargetReset(Pic::ResetHeld) ) return false;
double vdd;
if ( !hardware()->readVoltage(Pic::TargetVdd, vdd) ) return false;
log(Log::DebugLevel::Normal, TQString(" Target Vdd: %1 V").arg(vdd));
if (saved) {
saved->resize(1);
if ( !hardware()->readMemory(Pic::MemoryRangeType::Code, 0, *saved, 0) ) return false; // save first instruction
if ( (*saved)[0]!=device()->nopInstruction() ) log(Log::LineType::Warning, i18n(" According to ICD2 manual, instruction at address 0x0 should be \"nop\"."));
}
return true;
}
bool Icd2::P16FDebuggerSpecific::endInit(BitValue expectedPC)
{
if ( !hardware()->setTargetReset(Pic::ResetReleased) ) return false;
if ( !base().waitForTargetMode(Pic::TargetStopped) ) return false;
BitValue value;
if ( !readBreakpoint(value) ) return false;
if ( value==expectedPC+1 ) {
// #### happen for some custom icd2 or sometimes when we had to force a halt (?)
expectedPC = expectedPC+1;
//log(Log::LineType::Information, i18n("Detected custom ICD2"));
}
if ( value!=expectedPC ) {
log(Log::LineType::Error, i18n(" PC is not at address %1 (%2)").arg(toHexLabel(expectedPC, 4)).arg(toHexLabel(value, 4)));
return false;
}
if ( !setBreakpoint(0x0000) ) return false;
if ( !base().update() ) return false;
if ( base().pc()!=expectedPC ) {
log(Log::LineType::Error, i18n(" PC is not at address %1 (%2)").arg(toHexLabel(expectedPC, 4)).arg(toHexLabel(base().pc(), 4)));
return false;
}
return true;
}
bool Icd2::P16F872DebuggerSpecific::init(bool)
{
Device::Array saved;
if ( !beginInit(&saved) ) return false;
// this seems to be needed
if ( !hardware()->setTargetReset(Pic::ResetReleased) ) return false;
Pic::TargetMode mode;
if ( !programmer().getTargetMode(mode) ) return false;
if ( !hardware()->setTargetReset(Pic::ResetHeld) ) return false;
if ( !hardware()->setWriteMode(Pic::EraseWriteMode) ) return false;
log(Log::DebugLevel::Normal, " Write \"goto 0x0\" at reset vector and run target.");
Device::Array data = device()->gotoInstruction(0x0000, false); // loop at reset vector
if ( !hardware()->writeMemory(Pic::MemoryRangeType::Code, 0, data) ) return false;
if ( !hardware()->setTargetReset(Pic::ResetReleased) ) return false; // run device
if ( !base().waitForTargetMode(Pic::TargetRunning) ) return false;
log(Log::DebugLevel::Normal, " Try to halt target.");
if ( !hardware()->haltRun() ) return false;
if ( !base().waitForTargetMode(Pic::TargetStopped) ) return false;
if ( !programmer().readDebugExecutiveVersion() ) return false;
log(Log::DebugLevel::Normal, " Set breakpoint at reset vector.");
if ( !setBreakpoint(0x0000) ) return false;
if ( !hardware()->setTargetReset(Pic::ResetHeld) ) return false;
if ( !base().waitForTargetMode(Pic::TargetInProgramming) ) return false;
log(Log::DebugLevel::Normal, " Restore instruction at reset vector and run target.");
if ( !hardware()->writeMemory(Pic::MemoryRangeType::Code, 0, saved) ) return false; // restore instruction
if ( !hardware()->setWriteMode(Pic::WriteOnlyMode) ) return false;
return endInit(0x0001);
}
bool Icd2::P16F87XDebuggerSpecific::init(bool)
{
Device::Array saved;
if ( !beginInit(&saved) ) return false;
if ( !hardware()->setTargetReset(Pic::ResetHeld) ) return false;
if ( !hardware()->setWriteMode(Pic::EraseWriteMode) ) return false;
log(Log::DebugLevel::Normal, " Write \"goto 0x0\" at reset vector and run target.");
Device::Array data = device()->gotoInstruction(0x0000, false); // loop at reset vector
if ( !hardware()->writeMemory(Pic::MemoryRangeType::Code, 0, data) ) return false;
if ( !hardware()->setTargetReset(Pic::ResetReleased) ) return false; // run device
Pic::TargetMode mode;
if ( !programmer().getTargetMode(mode) ) return false;
if ( mode==Pic::TargetRunning && !hardware()->haltRun() ) return false;
if ( !base().waitForTargetMode(Pic::TargetStopped) ) return false;
if ( !programmer().readDebugExecutiveVersion() ) return false;
log(Log::DebugLevel::Normal, " Set breakpoint at reset vector.");
if ( !setBreakpoint(0x0000) ) return false;
if ( !hardware()->setTargetReset(Pic::ResetHeld) ) return false;
if ( !base().waitForTargetMode(Pic::TargetInProgramming) ) return false;
log(Log::DebugLevel::Normal, " Restore instruction at reset vector and run target.");
if ( !hardware()->writeMemory(Pic::MemoryRangeType::Code, 0, saved) ) return false; // restore instruction
if ( !hardware()->setWriteMode(Pic::WriteOnlyMode) ) return false;
return endInit(0x0001);
}
bool Icd2::P16F7X7DebuggerSpecific::init(bool last)
{
Device::Array saved;
if ( !beginInit(last ? &saved : 0) ) return false;
log(Log::DebugLevel::Normal, " Run target.");
if ( !hardware()->setTargetReset(Pic::ResetReleased) ) return false;
if ( !base().waitForTargetMode(Pic::TargetStopped) ) return false;
if ( !programmer().readDebugExecutiveVersion() ) return false;
BitValue value;
if ( !readBreakpoint(value) ) return false;
BitValue expectedPC = (last ? 0x0001 : 0x0000);
if ( value==expectedPC+1 ) {
expectedPC = expectedPC+1;
log(Log::DebugLevel::Normal, "Probably detected custom ICD2");
}
if ( value!=expectedPC )
log(Log::DebugLevel::Normal, i18n(" PC is not at address %1 (%2)").arg(toHexLabel(expectedPC, 4)).arg(toHexLabel(value, 4)));
if ( !setBreakpoint(0x0000) ) return false;
if ( !base().update() ) return false;
// #### not sure if there is a better way to get initial values (we are stopped here...)
Register::list().setValue(base().pcTypeData(), value);
Register::list().setValue(base().registerTypeData("STATUS"), 0x0);
Register::list().setValue(deviceSpecific()->wregTypeData(), 0x0);
return true;
}
//----------------------------------------------------------------------------
Icd2::P18FDebuggerSpecific::P18FDebuggerSpecific(::Debugger::Base &base)
: DebuggerSpecific(base)
{
const Pic::RegistersData &rdata = device()->registersData();
// find last used bank (but not #15)
_reservedBank = rdata.nbBanks - 1; // #14
for (uint i=1; i<rdata.nbBanks-1; i++) {
if ( rdata.isBankUsed(i) ) continue;
_reservedBank = i - 1;
break;
}
// check it's not a bank for CAN
for (; _reservedBank>0; _reservedBank--)
if ( !rdata.bankHasSfrs(_reservedBank) ) break;
// also take care of USB RAM
if ( (device()->architecture()==Pic::Architecture::P18F || device()->architecture()==Pic::Architecture::P18J)
&& device()->hasFeature(Pic::Feature::USB) ) {
if ( _reservedBank==7 ) _reservedBank = 3; // 18F2455 family: 4 USB RAM banks
// 18F87J50 family ?
}
}
Address Icd2::P18FDebuggerSpecific::addressWREG()const
{
return reservedRegisterOffset() | 0x0FF;
}
Address Icd2::P18FDebuggerSpecific::addressRegister(Address address) const
{
TQString name = device()->registersData().sfrNames[address];
if ( name=="PCLATU" ) return reservedRegisterOffset() | 0x0F4;
if ( name=="PCLATH" ) return reservedRegisterOffset() | 0x0F5;
if ( name=="FSR0H" ) return reservedRegisterOffset() | 0x0FB;
if ( name=="FSR0L" ) return reservedRegisterOffset() | 0x0FC;
if ( name=="BSR" ) return reservedRegisterOffset() | 0x0FD;
if ( name=="STATUS" ) return reservedRegisterOffset() | 0x0FE;
return address;
}
bool Icd2::P18FDebuggerSpecific::setBreakpoint(Address address)
{
BitValue value = (address.isValid() ? address.toUInt() << 15 : 0x0FFFFF00); // ??
return hardware()->writeRegister(0xFB6, value, 4);
}
bool Icd2::P18FDebuggerSpecific::readBreakpoint(BitValue &value)
{
if ( !hardware()->readRegister(0xFB6, value, 4) ) return false;
value >>= 15;
return true;
}
bool Icd2::P18FDebuggerSpecific::reset()
{
if ( !hardware()->writeRegister(0xFB5, 0x00, 1) ) return false; // #### ??
if ( !hardware()->writeRegister(0xFB5, 0x01, 1) ) return false; // #### ??
if ( !hardware()->command("2D", 0) ) return false; // reset
if ( !hardware()->writeRegister(0xFB5, 0x00, 1) ) return false; // #### ??
if ( !base().update() ) return false;
BitValue expectedPC = 0x0000;
if ( base().pc()==0x0001) {
expectedPC = 0x0001;
log(Log::LineType::Information, i18n("Detected custom ICD2"));
}
if ( base().pc()!=expectedPC ) {
log(Log::LineType::Error, i18n(" PC is not at address %1 (%2)").arg(toHexLabel(expectedPC, 4)).arg(toHexLabel(base().pc(), 4)));
return false;
}
return true;
}
bool Icd2::P18FDebuggerSpecific::init(bool)
{
if ( !hardware()->setTargetReset(Pic::ResetReleased) ) return false;
if ( !base().waitForTargetMode(Pic::TargetStopped) ) return false;
return reset();
}
|
