system.cc (7723:ee4ac00d0774) system.cc (8229:78bf55f23338)
1/*
2 * Copyright (c) 2002-2005 The Regents of The University of Michigan
3 * Copyright (c) 2007 MIPS Technologies, Inc.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer;
10 * redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution;
13 * neither the name of the copyright holders nor the names of its
14 * contributors may be used to endorse or promote products derived from
15 * this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 * Authors: Ali Saidi
30 * Nathan Binkert
31 * Jaidev Patwardhan
32 */
33
34#include "arch/mips/system.hh"
35#include "arch/vtophys.hh"
1/*
2 * Copyright (c) 2002-2005 The Regents of The University of Michigan
3 * Copyright (c) 2007 MIPS Technologies, Inc.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer;
10 * redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution;
13 * neither the name of the copyright holders nor the names of its
14 * contributors may be used to endorse or promote products derived from
15 * this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 * Authors: Ali Saidi
30 * Nathan Binkert
31 * Jaidev Patwardhan
32 */
33
34#include "arch/mips/system.hh"
35#include "arch/vtophys.hh"
36#include "base/loader/object_file.hh"
37#include "base/loader/hex_file.hh"
36#include "base/loader/hex_file.hh"
37#include "base/loader/object_file.hh"
38#include "base/loader/symtab.hh"
39#include "base/trace.hh"
40#include "mem/physical.hh"
41#include "params/MipsSystem.hh"
42#include "sim/byteswap.hh"
43
38#include "base/loader/symtab.hh"
39#include "base/trace.hh"
40#include "mem/physical.hh"
41#include "params/MipsSystem.hh"
42#include "sim/byteswap.hh"
43
44
45using namespace LittleEndianGuest;
46
47MipsSystem::MipsSystem(Params *p) : System(p)
48{
49
50#if FULL_SYSTEM
51 if (p->bare_iron == true) {
52 hexFile = new HexFile(params()->hex_file_name);
53 if (!hexFile->loadSections(functionalPort))
54 panic("Could not load hex file\n");
55 }
56
57 Addr addr = 0;
58
59 consoleSymtab = new SymbolTable;
60
61
62 /**
63 * Load the console code into memory
64 */
65 // Load Console Code
66 console = createObjectFile(params()->console);
67
68 warn("console code is located at: %s\n", params()->console);
69
70 if (console == NULL)
71 fatal("Could not load console file %s", params()->console);
72 //Load program sections into memory
73 console->loadSections(functionalPort, loadAddrMask);
74
75 //load symbols
76 if (!console->loadGlobalSymbols(consoleSymtab))
77 panic("could not load console symbols\n");
78
79 if (!console->loadGlobalSymbols(debugSymbolTable))
80 panic("could not load console symbols\n");
81
82
83#ifndef NDEBUG
84 consolePanicEvent = addConsoleFuncEvent<BreakPCEvent>("panic");
85#endif
86
87 /**
88 * Copy the osflags (kernel arguments) into the consoles
89 * memory. (Presently Linux does not use the console service
90 * routine to get these command line arguments, but Tru64 and
91 * others do.)
92 */
93 if (consoleSymtab->findAddress("env_booted_osflags", addr)) {
94 warn("writing addr starting from %#x", addr);
95 virtPort->writeBlob(addr, (uint8_t*)params()->boot_osflags.c_str(),
96 strlen(params()->boot_osflags.c_str()));
97 }
98
99 /**
100 * Set the hardware reset parameter block system type and revision
101 * information to Tsunami.
102 */
103 if (consoleSymtab->findAddress("m5_rpb", addr)) {
104 uint64_t data;
105 data = htog(params()->system_type);
106 virtPort->write(addr + 0x50, data);
107 data = htog(params()->system_rev);
108 virtPort->write(addr + 0x58, data);
109 } else {
110 panic("could not find hwrpb\n");
111 }
112#endif
113}
114
115MipsSystem::~MipsSystem()
116{
117}
118
119#if FULL_SYSTEM
120Addr
121MipsSystem::fixFuncEventAddr(Addr addr)
122{
123 return addr;
124}
125
126void
127MipsSystem::setMipsAccess(Addr access)
128{}
129
130#endif
131
132bool
133MipsSystem::breakpoint()
134{
135 return 0;
136}
137
138void
139MipsSystem::serialize(std::ostream &os)
140{
141 System::serialize(os);
142}
143
144
145void
146MipsSystem::unserialize(Checkpoint *cp, const std::string &section)
147{
148 System::unserialize(cp,section);
149}
150
151MipsSystem *
152MipsSystemParams::create()
153{
154 return new MipsSystem(this);
155}
156
44using namespace LittleEndianGuest;
45
46MipsSystem::MipsSystem(Params *p) : System(p)
47{
48
49#if FULL_SYSTEM
50 if (p->bare_iron == true) {
51 hexFile = new HexFile(params()->hex_file_name);
52 if (!hexFile->loadSections(functionalPort))
53 panic("Could not load hex file\n");
54 }
55
56 Addr addr = 0;
57
58 consoleSymtab = new SymbolTable;
59
60
61 /**
62 * Load the console code into memory
63 */
64 // Load Console Code
65 console = createObjectFile(params()->console);
66
67 warn("console code is located at: %s\n", params()->console);
68
69 if (console == NULL)
70 fatal("Could not load console file %s", params()->console);
71 //Load program sections into memory
72 console->loadSections(functionalPort, loadAddrMask);
73
74 //load symbols
75 if (!console->loadGlobalSymbols(consoleSymtab))
76 panic("could not load console symbols\n");
77
78 if (!console->loadGlobalSymbols(debugSymbolTable))
79 panic("could not load console symbols\n");
80
81
82#ifndef NDEBUG
83 consolePanicEvent = addConsoleFuncEvent<BreakPCEvent>("panic");
84#endif
85
86 /**
87 * Copy the osflags (kernel arguments) into the consoles
88 * memory. (Presently Linux does not use the console service
89 * routine to get these command line arguments, but Tru64 and
90 * others do.)
91 */
92 if (consoleSymtab->findAddress("env_booted_osflags", addr)) {
93 warn("writing addr starting from %#x", addr);
94 virtPort->writeBlob(addr, (uint8_t*)params()->boot_osflags.c_str(),
95 strlen(params()->boot_osflags.c_str()));
96 }
97
98 /**
99 * Set the hardware reset parameter block system type and revision
100 * information to Tsunami.
101 */
102 if (consoleSymtab->findAddress("m5_rpb", addr)) {
103 uint64_t data;
104 data = htog(params()->system_type);
105 virtPort->write(addr + 0x50, data);
106 data = htog(params()->system_rev);
107 virtPort->write(addr + 0x58, data);
108 } else {
109 panic("could not find hwrpb\n");
110 }
111#endif
112}
113
114MipsSystem::~MipsSystem()
115{
116}
117
118#if FULL_SYSTEM
119Addr
120MipsSystem::fixFuncEventAddr(Addr addr)
121{
122 return addr;
123}
124
125void
126MipsSystem::setMipsAccess(Addr access)
127{}
128
129#endif
130
131bool
132MipsSystem::breakpoint()
133{
134 return 0;
135}
136
137void
138MipsSystem::serialize(std::ostream &os)
139{
140 System::serialize(os);
141}
142
143
144void
145MipsSystem::unserialize(Checkpoint *cp, const std::string &section)
146{
147 System::unserialize(cp,section);
148}
149
150MipsSystem *
151MipsSystemParams::create()
152{
153 return new MipsSystem(this);
154}
155