2 * Copyright (c) 2002-2005 The Regents of The University of Michigan
3 * Copyright (c) 2007 MIPS Technologies, Inc.
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.
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.
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"
46 using namespace LittleEndianGuest
;
48 MipsSystem::MipsSystem(Params
*p
) : System(p
)
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");
60 consoleSymtab
= new SymbolTable
;
64 * Load the console code into memory
67 console
= createObjectFile(params()->console
);
69 warn("console code is located at: %s\n", params()->console
);
72 fatal("Could not load console file %s", params()->console
);
73 //Load program sections into memory
74 console
->loadSections(&functionalPort
, MipsISA::LoadAddrMask
);
77 if (!console
->loadGlobalSymbols(consoleSymtab
))
78 panic("could not load console symbols\n");
80 if (!console
->loadGlobalSymbols(debugSymbolTable
))
81 panic("could not load console symbols\n");
85 consolePanicEvent
= addConsoleFuncEvent
<BreakPCEvent
>("panic");
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
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()));
101 * Set the hardware reset parameter block system type and revision
102 * information to Tsunami.
104 if (consoleSymtab
->findAddress("m5_rpb", addr
)) {
106 data
= htog(params()->system_type
);
107 virtPort
.write(addr
+ 0x50, data
);
108 data
= htog(params()->system_rev
);
109 virtPort
.write(addr
+ 0x58, data
);
111 panic("could not find hwrpb\n");
116 MipsSystem::~MipsSystem()
122 MipsSystem::fixFuncEventAddr(Addr addr
)
128 MipsSystem::setMipsAccess(Addr access
)
134 MipsSystem::breakpoint()
140 MipsSystem::serialize(std::ostream
&os
)
142 System::serialize(os
);
147 MipsSystem::unserialize(Checkpoint
*cp
, const std::string
§ion
)
149 System::unserialize(cp
,section
);
153 MipsSystemParams::create()
155 return new MipsSystem(this);