base_gic.cc (12739:55a86872ff90) base_gic.cc (12974:b840a646cfbd)
1/*
2 * Copyright (c) 2012, 2017-2018 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

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65}
66
67const BaseGic::Params *
68BaseGic::params() const
69{
70 return dynamic_cast<const Params *>(_params);
71}
72
1/*
2 * Copyright (c) 2012, 2017-2018 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

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65}
66
67const BaseGic::Params *
68BaseGic::params() const
69{
70 return dynamic_cast<const Params *>(_params);
71}
72
73ArmInterruptPinGen::ArmInterruptPinGen(const ArmInterruptPinParams *p)
74 : SimObject(p)
75{
76}
73
77
74ArmInterruptPin::ArmInterruptPin(const ArmInterruptPinParams *p)
75 : SimObject(p),
76 threadContext(nullptr),
77 platform(dynamic_cast<RealView*>(p->platform)),
78 intNum(p->num)
78ArmSPIGen::ArmSPIGen(const ArmSPIParams *p)
79 : ArmInterruptPinGen(p), pin(new ArmSPI(p->platform, p->num))
79{
80{
81}
82
83ArmInterruptPin*
84ArmSPIGen::get(ThreadContext* tc)
85{
86 return pin;
87}
88
89ArmPPIGen::ArmPPIGen(const ArmPPIParams *p)
90 : ArmInterruptPinGen(p)
91{
92}
93
94ArmInterruptPin*
95ArmPPIGen::get(ThreadContext* tc)
96{
97 panic_if(!tc, "Invalid Thread Context\n");
98 ContextID cid = tc->contextId();
99
100 auto pin_it = pins.find(cid);
101
102 if (pin_it != pins.end()) {
103 // PPI Pin Already generated
104 return pin_it->second;
105 } else {
106 // Generate PPI Pin
107 auto p = static_cast<const ArmPPIParams *>(_params);
108 ArmPPI *pin = new ArmPPI(p->platform, tc, p->num);
109
110 pins.insert({cid, pin});
111
112 return pin;
113 }
114}
115
116ArmInterruptPin::ArmInterruptPin(
117 Platform *_platform, ThreadContext *tc, uint32_t int_num)
118 : threadContext(tc), platform(dynamic_cast<RealView*>(_platform)),
119 intNum(int_num)
120{
80 fatal_if(!platform, "Interrupt not connected to a RealView platform");
81}
82
83void
84ArmInterruptPin::setThreadContext(ThreadContext *tc)
85{
86 panic_if(threadContext,
87 "InterruptLine::setThreadContext called twice\n");

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92ContextID
93ArmInterruptPin::targetContext() const
94{
95 panic_if(!threadContext, "Per-context interrupt triggered without a " \
96 "call to InterruptLine::setThreadContext.\n");
97 return threadContext->contextId();
98}
99
121 fatal_if(!platform, "Interrupt not connected to a RealView platform");
122}
123
124void
125ArmInterruptPin::setThreadContext(ThreadContext *tc)
126{
127 panic_if(threadContext,
128 "InterruptLine::setThreadContext called twice\n");

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133ContextID
134ArmInterruptPin::targetContext() const
135{
136 panic_if(!threadContext, "Per-context interrupt triggered without a " \
137 "call to InterruptLine::setThreadContext.\n");
138 return threadContext->contextId();
139}
140
100
101
102ArmSPI::ArmSPI(const ArmSPIParams *p)
103 : ArmInterruptPin(p)
141ArmSPI::ArmSPI(
142 Platform *_platform, uint32_t int_num)
143 : ArmInterruptPin(_platform, nullptr, int_num)
104{
105}
106
107void
108ArmSPI::raise()
109{
110 platform->gic->sendInt(intNum);
111}
112
113void
114ArmSPI::clear()
115{
116 platform->gic->clearInt(intNum);
117}
118
144{
145}
146
147void
148ArmSPI::raise()
149{
150 platform->gic->sendInt(intNum);
151}
152
153void
154ArmSPI::clear()
155{
156 platform->gic->clearInt(intNum);
157}
158
119ArmPPI::ArmPPI(const ArmPPIParams *p)
120 : ArmInterruptPin(p)
159ArmPPI::ArmPPI(
160 Platform *_platform, ThreadContext *tc, uint32_t int_num)
161 : ArmInterruptPin(_platform, tc, int_num)
121{
122}
123
124void
125ArmPPI::raise()
126{
127 platform->gic->sendPPInt(intNum, targetContext());
128}
129
130void
131ArmPPI::clear()
132{
133 platform->gic->clearPPInt(intNum, targetContext());
134}
135
162{
163}
164
165void
166ArmPPI::raise()
167{
168 platform->gic->sendPPInt(intNum, targetContext());
169}
170
171void
172ArmPPI::clear()
173{
174 platform->gic->clearPPInt(intNum, targetContext());
175}
176
136
137ArmSPI *
177ArmSPIGen *
138ArmSPIParams::create()
139{
178ArmSPIParams::create()
179{
140 return new ArmSPI(this);
180 return new ArmSPIGen(this);
141}
142
181}
182
143ArmPPI *
183ArmPPIGen *
144ArmPPIParams::create()
145{
184ArmPPIParams::create()
185{
146 return new ArmPPI(this);
186 return new ArmPPIGen(this);
147}
187}