base_gic.cc (10701:aaa0f985da8e) base_gic.cc (12739:55a86872ff90)
1/*
1/*
2 * Copyright (c) 2012 ARM Limited
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
9 * licensed hereunder. You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated

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34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 *
37 * Authors: Andreas Sandberg
38 */
39
40#include "dev/arm/base_gic.hh"
41
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
9 * licensed hereunder. You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated

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34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 *
37 * Authors: Andreas Sandberg
38 */
39
40#include "dev/arm/base_gic.hh"
41
42#include "cpu/thread_context.hh"
42#include "dev/arm/realview.hh"
43#include "dev/arm/realview.hh"
44#include "params/ArmInterruptPin.hh"
45#include "params/ArmPPI.hh"
46#include "params/ArmSPI.hh"
43#include "params/BaseGic.hh"
44
45BaseGic::BaseGic(const Params *p)
46 : PioDevice(p),
47 platform(p->platform)
48{
49 RealView *const rv(dynamic_cast<RealView*>(p->platform));
50 // The platform keeps track of the GIC that is hooked up to the

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60{
61}
62
63const BaseGic::Params *
64BaseGic::params() const
65{
66 return dynamic_cast<const Params *>(_params);
67}
47#include "params/BaseGic.hh"
48
49BaseGic::BaseGic(const Params *p)
50 : PioDevice(p),
51 platform(p->platform)
52{
53 RealView *const rv(dynamic_cast<RealView*>(p->platform));
54 // The platform keeps track of the GIC that is hooked up to the

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64{
65}
66
67const BaseGic::Params *
68BaseGic::params() const
69{
70 return dynamic_cast<const Params *>(_params);
71}
72
73
74ArmInterruptPin::ArmInterruptPin(const ArmInterruptPinParams *p)
75 : SimObject(p),
76 threadContext(nullptr),
77 platform(dynamic_cast<RealView*>(p->platform)),
78 intNum(p->num)
79{
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");
88
89 threadContext = tc;
90}
91
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
100
101
102ArmSPI::ArmSPI(const ArmSPIParams *p)
103 : ArmInterruptPin(p)
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
119ArmPPI::ArmPPI(const ArmPPIParams *p)
120 : ArmInterruptPin(p)
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
136
137ArmSPI *
138ArmSPIParams::create()
139{
140 return new ArmSPI(this);
141}
142
143ArmPPI *
144ArmPPIParams::create()
145{
146 return new ArmPPI(this);
147}