Registers: Add an ISA object which replaces the MiscRegFile.
[gem5.git] / src / kern / tru64 / tru64_events.cc
1 /*
2 * Copyright (c) 2003-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Nathan Binkert
29 * Lisa Hsu
30 */
31
32 #include "arch/alpha/ev5.hh"
33 #include "arch/isa_traits.hh"
34 #include "cpu/thread_context.hh"
35 #include "cpu/base.hh"
36 #include "kern/system_events.hh"
37 #include "kern/tru64/tru64_events.hh"
38 #include "kern/tru64/dump_mbuf.hh"
39 #include "kern/tru64/printf.hh"
40 #include "sim/arguments.hh"
41 #include "sim/system.hh"
42
43 using namespace TheISA;
44
45 //void SkipFuncEvent::process(ExecContext *tc);
46
47 void
48 BadAddrEvent::process(ThreadContext *tc)
49 {
50 // The following gross hack is the equivalent function to the
51 // annotation for vmunix::badaddr in:
52 // simos/simulation/apps/tcl/osf/tlaser.tcl
53
54 uint64_t a0 = tc->readIntReg(16);
55
56 AddrRangeList resp;
57 bool snoop;
58 AddrRangeIter iter;
59 bool found = false;
60
61 tc->getPhysPort()->getPeerAddressRanges(resp, snoop);
62 for (iter = resp.begin(); iter != resp.end(); iter++) {
63 if (*iter == (K0Seg2Phys(a0) & PAddrImplMask))
64 found = true;
65 }
66
67 if (!IsK0Seg(a0) || found ) {
68
69 DPRINTF(BADADDR, "badaddr arg=%#x bad\n", a0);
70 tc->setIntReg(ReturnValueReg, 0x1);
71 SkipFuncEvent::process(tc);
72 } else {
73 DPRINTF(BADADDR, "badaddr arg=%#x good\n", a0);
74 }
75 }
76
77 void
78 PrintfEvent::process(ThreadContext *tc)
79 {
80 if (DTRACE(Printf)) {
81 StringWrap name(tc->getSystemPtr()->name());
82 DPRINTFN("");
83
84 Arguments args(tc);
85 tru64::Printf(args);
86 }
87 }
88
89 void
90 DebugPrintfEvent::process(ThreadContext *tc)
91 {
92 if (DTRACE(DebugPrintf)) {
93 if (!raw) {
94 StringWrap name(tc->getSystemPtr()->name());
95 DPRINTFN("");
96 }
97
98 Arguments args(tc);
99 tru64::Printf(args);
100 }
101 }
102
103 void
104 DumpMbufEvent::process(ThreadContext *tc)
105 {
106 if (DTRACE(DebugPrintf)) {
107 Arguments args(tc);
108 tru64::DumpMbuf(args);
109 }
110 }