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/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"
45 using namespace LittleEndianGuest
;
47 MipsSystem::MipsSystem(Params
*p
) : System(p
)
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");
59 consoleSymtab
= new SymbolTable
;
63 * Load the console code into memory
66 console
= createObjectFile(params()->console
);
68 warn("console code is located at: %s\n", params()->console
);
71 fatal("Could not load console file %s", params()->console
);
72 //Load program sections into memory
73 console
->loadSections(&functionalPort
, loadAddrMask
);
76 if (!console
->loadGlobalSymbols(consoleSymtab
))
77 panic("could not load console symbols\n");
79 if (!console
->loadGlobalSymbols(debugSymbolTable
))
80 panic("could not load console symbols\n");
84 consolePanicEvent
= addConsoleFuncEvent
<BreakPCEvent
>("panic");
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
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()));
100 * Set the hardware reset parameter block system type and revision
101 * information to Tsunami.
103 if (consoleSymtab
->findAddress("m5_rpb", addr
)) {
105 data
= htog(params()->system_type
);
106 virtPort
.write(addr
+ 0x50, data
);
107 data
= htog(params()->system_rev
);
108 virtPort
.write(addr
+ 0x58, data
);
110 panic("could not find hwrpb\n");
115 MipsSystem::~MipsSystem()
121 MipsSystem::fixFuncEventAddr(Addr addr
)
127 MipsSystem::setMipsAccess(Addr access
)
133 MipsSystem::breakpoint()
139 MipsSystem::serialize(std::ostream
&os
)
141 System::serialize(os
);
146 MipsSystem::unserialize(Checkpoint
*cp
, const std::string
§ion
)
148 System::unserialize(cp
,section
);
152 MipsSystemParams::create()
154 return new MipsSystem(this);