system.cc (8527:6bac5b04d588) system.cc (8706:b1838faf3bcc)
1/*
2 * Copyright (c) 2010 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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44#include "arch/arm/linux/system.hh"
45#include "arch/arm/isa_traits.hh"
46#include "arch/arm/utility.hh"
47#include "base/loader/object_file.hh"
48#include "base/loader/symtab.hh"
49#include "cpu/thread_context.hh"
50#include "debug/Loader.hh"
51#include "kern/linux/events.hh"
1/*
2 * Copyright (c) 2010 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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44#include "arch/arm/linux/system.hh"
45#include "arch/arm/isa_traits.hh"
46#include "arch/arm/utility.hh"
47#include "base/loader/object_file.hh"
48#include "base/loader/symtab.hh"
49#include "cpu/thread_context.hh"
50#include "debug/Loader.hh"
51#include "kern/linux/events.hh"
52#include "mem/fs_translating_port_proxy.hh"
52#include "mem/physical.hh"
53
54using namespace ArmISA;
55using namespace Linux;
56
57LinuxArmSystem::LinuxArmSystem(Params *p)
58 : ArmSystem(p)
59{
53#include "mem/physical.hh"
54
55using namespace ArmISA;
56using namespace Linux;
57
58LinuxArmSystem::LinuxArmSystem(Params *p)
59 : ArmSystem(p)
60{
61}
62
63bool
64LinuxArmSystem::adderBootUncacheable(Addr a)
65{
66 Addr block = a & ~ULL(0x7F);
67 if (block == secDataPtrAddr || block == secDataAddr ||
68 block == penReleaseAddr)
69 return true;
70 return false;
71}
72
73void
74LinuxArmSystem::initState()
75{
76 // Moved from the constructor to here since it relies on the
77 // address map being resolved in the interconnect
78
79 // Call the initialisation of the super class
80 ArmSystem::initState();
81
60 // Load symbols at physical address, we might not want
61 // to do this perminately, for but early bootup work
62 // it is helpfulp.
63 kernel->loadGlobalSymbols(kernelSymtab, loadAddrMask);
64 kernel->loadGlobalSymbols(debugSymbolTable, loadAddrMask);
65
66 // Setup boot data structure
67 AtagCore *ac = new AtagCore;

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87 offset += ac->copyOut(boot_data + offset);
88 offset += am->copyOut(boot_data + offset);
89 offset += ad->copyOut(boot_data + offset);
90 offset += an->copyOut(boot_data + offset);
91
92 DPRINTF(Loader, "Boot atags was %d bytes in total\n", size << 2);
93 DDUMP(Loader, boot_data, size << 2);
94
82 // Load symbols at physical address, we might not want
83 // to do this perminately, for but early bootup work
84 // it is helpfulp.
85 kernel->loadGlobalSymbols(kernelSymtab, loadAddrMask);
86 kernel->loadGlobalSymbols(debugSymbolTable, loadAddrMask);
87
88 // Setup boot data structure
89 AtagCore *ac = new AtagCore;

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109 offset += ac->copyOut(boot_data + offset);
110 offset += am->copyOut(boot_data + offset);
111 offset += ad->copyOut(boot_data + offset);
112 offset += an->copyOut(boot_data + offset);
113
114 DPRINTF(Loader, "Boot atags was %d bytes in total\n", size << 2);
115 DDUMP(Loader, boot_data, size << 2);
116
95 functionalPort->writeBlob(ParamsList, boot_data, size << 2);
117 physProxy->writeBlob(ParamsList, boot_data, size << 2);
96
97#ifndef NDEBUG
98 kernelPanicEvent = addKernelFuncEvent<BreakPCEvent>("panic");
99 if (!kernelPanicEvent)
100 panic("could not find kernel symbol \'panic\'");
101#endif
102
103 // With ARM udelay() is #defined to __udelay

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123 penReleaseAddr = 0;
124 kernelSymtab->findAddress("__secondary_data", secDataPtrAddr);
125 kernelSymtab->findAddress("secondary_data", secDataAddr);
126 kernelSymtab->findAddress("pen_release", penReleaseAddr);
127
128 secDataPtrAddr &= ~ULL(0x7F);
129 secDataAddr &= ~ULL(0x7F);
130 penReleaseAddr &= ~ULL(0x7F);
118
119#ifndef NDEBUG
120 kernelPanicEvent = addKernelFuncEvent<BreakPCEvent>("panic");
121 if (!kernelPanicEvent)
122 panic("could not find kernel symbol \'panic\'");
123#endif
124
125 // With ARM udelay() is #defined to __udelay

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145 penReleaseAddr = 0;
146 kernelSymtab->findAddress("__secondary_data", secDataPtrAddr);
147 kernelSymtab->findAddress("secondary_data", secDataAddr);
148 kernelSymtab->findAddress("pen_release", penReleaseAddr);
149
150 secDataPtrAddr &= ~ULL(0x7F);
151 secDataAddr &= ~ULL(0x7F);
152 penReleaseAddr &= ~ULL(0x7F);
131}
132
153
133bool
134LinuxArmSystem::adderBootUncacheable(Addr a)
135{
136 Addr block = a & ~ULL(0x7F);
137 if (block == secDataPtrAddr || block == secDataAddr ||
138 block == penReleaseAddr)
139 return true;
140 return false;
141}
142
143void
144LinuxArmSystem::initState()
145{
146 ArmSystem::initState();
147
148 for (int i = 0; i < threadContexts.size(); i++) {
149 threadContexts[i]->setIntReg(0, 0);
150 threadContexts[i]->setIntReg(1, params()->machine_type);
151 threadContexts[i]->setIntReg(2, ParamsList);
152 }
153}
154
155LinuxArmSystem::~LinuxArmSystem()

--- 12 unchanged lines hidden --- 		154 for (int i = 0; i < threadContexts.size(); i++) {
155 threadContexts[i]->setIntReg(0, 0);
156 threadContexts[i]->setIntReg(1, params()->machine_type);
157 threadContexts[i]->setIntReg(2, ParamsList);
158 }
159}
160
161LinuxArmSystem::~LinuxArmSystem()

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