system.cc (6379:75d4aaf7dd54) system.cc (7447:3fc243687abb)
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/remote_gdb.hh"
37#include "base/loader/object_file.hh"
38#include "base/loader/hex_file.hh"
39#include "base/loader/symtab.hh"
40#include "base/trace.hh"
41#include "mem/physical.hh"
42#include "params/MipsSystem.hh"
43#include "sim/byteswap.hh"
44
45
46using namespace LittleEndianGuest;
47
48MipsSystem::MipsSystem(Params *p) : System(p)
49{
50
51#if FULL_SYSTEM
52 if (p->bare_iron == true) {
53 hexFile = new HexFile(params()->hex_file_name);
54 if (!hexFile->loadSections(&functionalPort))
55 panic("Could not load hex file\n");
56 }
57
58 Addr addr = 0;
59
60 consoleSymtab = new SymbolTable;
61
62
63 /**
64 * Load the console code into memory
65 */
66 // Load Console Code
67 console = createObjectFile(params()->console);
68
69 warn("console code is located at: %s\n", params()->console);
70
71 if (console == NULL)
72 fatal("Could not load console file %s", params()->console);
73 //Load program sections into memory
74 console->loadSections(&functionalPort, MipsISA::LoadAddrMask);
75
76 //load symbols
77 if (!console->loadGlobalSymbols(consoleSymtab))
78 panic("could not load console symbols\n");
79
80 if (!console->loadGlobalSymbols(debugSymbolTable))
81 panic("could not load console symbols\n");
82
83
84#ifndef NDEBUG
85 consolePanicEvent = addConsoleFuncEvent<BreakPCEvent>("panic");
86#endif
87
88 /**
89 * Copy the osflags (kernel arguments) into the consoles
90 * memory. (Presently Linux does not use the console service
91 * routine to get these command line arguments, but Tru64 and
92 * others do.)
93 */
94 if (consoleSymtab->findAddress("env_booted_osflags", addr)) {
95 warn("writing addr starting from %#x", addr);
96 virtPort.writeBlob(addr, (uint8_t*)params()->boot_osflags.c_str(),
97 strlen(params()->boot_osflags.c_str()));
98 }
99
100 /**
101 * Set the hardware reset parameter block system type and revision
102 * information to Tsunami.
103 */
104 if (consoleSymtab->findAddress("m5_rpb", addr)) {
105 uint64_t data;
106 data = htog(params()->system_type);
107 virtPort.write(addr + 0x50, data);
108 data = htog(params()->system_rev);
109 virtPort.write(addr + 0x58, data);
110 } else {
111 panic("could not find hwrpb\n");
112 }
113#endif
114}
115
116MipsSystem::~MipsSystem()
117{
118}
119
120#if FULL_SYSTEM
121Addr
122MipsSystem::fixFuncEventAddr(Addr addr)
123{
124 return addr;
125}
126
127void
128MipsSystem::setMipsAccess(Addr access)
129{}
130
131#endif
132
133bool
134MipsSystem::breakpoint()
135{
136 return 0;
137}
138
139void
140MipsSystem::serialize(std::ostream &os)
141{
142 System::serialize(os);
143}
144
145
146void
147MipsSystem::unserialize(Checkpoint *cp, const std::string &section)
148{
149 System::unserialize(cp,section);
150}
151
152MipsSystem *
153MipsSystemParams::create()
154{
155 return new MipsSystem(this);
156}
157
36#include "base/loader/object_file.hh"
37#include "base/loader/hex_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
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, MipsISA::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