1/*
2 * Copyright (c) 2004-2006 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
| 1/*
2 * Copyright (c) 2004-2006 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
27 */
28
29#ifndef __ARCH_ALPHA_LINUX_SYSTEM_HH__
30#define __ARCH_ALPHA_LINUX_SYSTEM_HH__
31
32class ExecContext;
33
34class BreakPCEvent;
35class IdleStartEvent;
36
37#include "arch/alpha/system.hh"
38#include "kern/linux/events.hh"
39
40using namespace AlphaISA;
41using namespace Linux;
42
43/**
44 * This class contains linux specific system code (Loading, Events, Binning).
45 * It points to objects that are the system binaries to load and patches them
46 * appropriately to work in simulator.
47 */
48class LinuxAlphaSystem : public AlphaSystem
49{
50 private:
51 class SkipDelayLoopEvent : public SkipFuncEvent
52 {
53 public:
54 SkipDelayLoopEvent(PCEventQueue *q, const std::string &desc, Addr addr)
55 : SkipFuncEvent(q, desc, addr) {}
56 virtual void process(ExecContext *xc);
57 };
58
59 class PrintThreadInfo : public PCEvent
60 {
61 public:
62 PrintThreadInfo(PCEventQueue *q, const std::string &desc, Addr addr)
63 : PCEvent(q, desc, addr) {}
64 virtual void process(ExecContext *xc);
65 };
66
67
68 /**
69 * Addresses defining where the kernel bootloader places various
70 * elements. Details found in include/asm-alpha/system.h
71 */
72 Addr KernelStart; // Lookup the symbol swapper_pg_dir
73
74 public:
75 Addr InitStack() const { return KernelStart + 0x02000; }
76 Addr EmptyPGT() const { return KernelStart + 0x04000; }
77 Addr EmptyPGE() const { return KernelStart + 0x08000; }
78 Addr ZeroPGE() const { return KernelStart + 0x0A000; }
79 Addr StartAddr() const { return KernelStart + 0x10000; }
80
81 Addr Param() const { return ZeroPGE() + 0x0; }
82 Addr CommandLine() const { return Param() + 0x0; }
83 Addr InitrdStart() const { return Param() + 0x100; }
84 Addr InitrdSize() const { return Param() + 0x108; }
85 static const int CommandLineSize = 256;
86
87 private:
88#ifndef NDEBUG
89 /** Event to halt the simulator if the kernel calls panic() */
90 BreakPCEvent *kernelPanicEvent;
91
92 /** Event to halt the simulator if the kernel calls die_if_kernel */
93 BreakPCEvent *kernelDieEvent;
94#endif
95
96 /**
97 * Event to skip determine_cpu_caches() because we don't support
98 * the IPRs that the code can access to figure out cache sizes
99 */
100 SkipFuncEvent *skipCacheProbeEvent;
101
102 /** PC based event to skip the ide_delay_50ms() call */
103 SkipFuncEvent *skipIdeDelay50msEvent;
104
105 /**
106 * PC based event to skip the dprink() call and emulate its
107 * functionality
108 */
109 DebugPrintkEvent *debugPrintkEvent;
110
111 /**
112 * Skip calculate_delay_loop() rather than waiting for this to be
113 * calculated
114 */
115 SkipDelayLoopEvent *skipDelayLoopEvent;
116
117 /**
118 * Event to print information about thread switches if the trace flag
119 * Thread is set
120 */
121 PrintThreadInfo *printThreadEvent;
122
123 /**
124 * Event to bin Interrupts seperately from kernel code
125 */
126 InterruptStartEvent *intStartEvent;
127
128 /**
129 * Event to bin Interrupts seperately from kernel code
130 */
131 InterruptEndEvent *intEndEvent;
132 InterruptEndEvent *intEndEvent2;
133 InterruptEndEvent *intEndEvent3;
134
135 /** Grab the PCBB of the idle process when it starts */
136 IdleStartEvent *idleStartEvent;
137
138 public:
139 LinuxAlphaSystem(Params *p);
140 ~LinuxAlphaSystem();
141
142 void setDelayLoop(ExecContext *xc);
143};
144
145#endif // __ARCH_ALPHA_LINUX_SYSTEM_HH__
| 31 */
32
33#ifndef __ARCH_ALPHA_LINUX_SYSTEM_HH__
34#define __ARCH_ALPHA_LINUX_SYSTEM_HH__
35
36class ExecContext;
37
38class BreakPCEvent;
39class IdleStartEvent;
40
41#include "arch/alpha/system.hh"
42#include "kern/linux/events.hh"
43
44using namespace AlphaISA;
45using namespace Linux;
46
47/**
48 * This class contains linux specific system code (Loading, Events, Binning).
49 * It points to objects that are the system binaries to load and patches them
50 * appropriately to work in simulator.
51 */
52class LinuxAlphaSystem : public AlphaSystem
53{
54 private:
55 class SkipDelayLoopEvent : public SkipFuncEvent
56 {
57 public:
58 SkipDelayLoopEvent(PCEventQueue *q, const std::string &desc, Addr addr)
59 : SkipFuncEvent(q, desc, addr) {}
60 virtual void process(ExecContext *xc);
61 };
62
63 class PrintThreadInfo : public PCEvent
64 {
65 public:
66 PrintThreadInfo(PCEventQueue *q, const std::string &desc, Addr addr)
67 : PCEvent(q, desc, addr) {}
68 virtual void process(ExecContext *xc);
69 };
70
71
72 /**
73 * Addresses defining where the kernel bootloader places various
74 * elements. Details found in include/asm-alpha/system.h
75 */
76 Addr KernelStart; // Lookup the symbol swapper_pg_dir
77
78 public:
79 Addr InitStack() const { return KernelStart + 0x02000; }
80 Addr EmptyPGT() const { return KernelStart + 0x04000; }
81 Addr EmptyPGE() const { return KernelStart + 0x08000; }
82 Addr ZeroPGE() const { return KernelStart + 0x0A000; }
83 Addr StartAddr() const { return KernelStart + 0x10000; }
84
85 Addr Param() const { return ZeroPGE() + 0x0; }
86 Addr CommandLine() const { return Param() + 0x0; }
87 Addr InitrdStart() const { return Param() + 0x100; }
88 Addr InitrdSize() const { return Param() + 0x108; }
89 static const int CommandLineSize = 256;
90
91 private:
92#ifndef NDEBUG
93 /** Event to halt the simulator if the kernel calls panic() */
94 BreakPCEvent *kernelPanicEvent;
95
96 /** Event to halt the simulator if the kernel calls die_if_kernel */
97 BreakPCEvent *kernelDieEvent;
98#endif
99
100 /**
101 * Event to skip determine_cpu_caches() because we don't support
102 * the IPRs that the code can access to figure out cache sizes
103 */
104 SkipFuncEvent *skipCacheProbeEvent;
105
106 /** PC based event to skip the ide_delay_50ms() call */
107 SkipFuncEvent *skipIdeDelay50msEvent;
108
109 /**
110 * PC based event to skip the dprink() call and emulate its
111 * functionality
112 */
113 DebugPrintkEvent *debugPrintkEvent;
114
115 /**
116 * Skip calculate_delay_loop() rather than waiting for this to be
117 * calculated
118 */
119 SkipDelayLoopEvent *skipDelayLoopEvent;
120
121 /**
122 * Event to print information about thread switches if the trace flag
123 * Thread is set
124 */
125 PrintThreadInfo *printThreadEvent;
126
127 /**
128 * Event to bin Interrupts seperately from kernel code
129 */
130 InterruptStartEvent *intStartEvent;
131
132 /**
133 * Event to bin Interrupts seperately from kernel code
134 */
135 InterruptEndEvent *intEndEvent;
136 InterruptEndEvent *intEndEvent2;
137 InterruptEndEvent *intEndEvent3;
138
139 /** Grab the PCBB of the idle process when it starts */
140 IdleStartEvent *idleStartEvent;
141
142 public:
143 LinuxAlphaSystem(Params *p);
144 ~LinuxAlphaSystem();
145
146 void setDelayLoop(ExecContext *xc);
147};
148
149#endif // __ARCH_ALPHA_LINUX_SYSTEM_HH__
|