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: Steve Reinhardt
29 * Gabe Black
30 * Ali Saidi
31 */
32
33#include "arch/sparc/linux/process.hh"
34
35#include "arch/sparc/isa_traits.hh"
36#include "arch/sparc/registers.hh"
| 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: Steve Reinhardt
29 * Gabe Black
30 * Ali Saidi
31 */
32
33#include "arch/sparc/linux/process.hh"
34
35#include "arch/sparc/isa_traits.hh"
36#include "arch/sparc/registers.hh"
|
| 37#include "base/loader/object_file.hh"
|
37#include "base/trace.hh"
38#include "cpu/thread_context.hh"
39#include "kern/linux/linux.hh"
40#include "sim/process.hh"
41#include "sim/syscall_desc.hh"
42#include "sim/syscall_emul.hh"
43
44using namespace std;
45using namespace SparcISA;
46
| 38#include "base/trace.hh"
39#include "cpu/thread_context.hh"
40#include "kern/linux/linux.hh"
41#include "sim/process.hh"
42#include "sim/syscall_desc.hh"
43#include "sim/syscall_emul.hh"
44
45using namespace std;
46using namespace SparcISA;
47
|
| 48namespace
49{
50
51class SparcLinuxObjectFileLoader : public ObjectFile::Loader
52{
53 public:
54 Process *
55 load(ProcessParams *params, ObjectFile *obj_file) override
56 {
57 auto arch = obj_file->getArch();
58 auto opsys = obj_file->getOpSys();
59
60 if (arch != ObjectFile::SPARC64 && arch != ObjectFile::SPARC32)
61 return nullptr;
62
63 if (opsys == ObjectFile::UnknownOpSys) {
64 warn("Unknown operating system; assuming Linux.");
65 opsys = ObjectFile::Linux;
66 }
67
68 if (opsys != ObjectFile::Linux)
69 return nullptr;
70
71 if (arch == ObjectFile::SPARC64)
72 return new Sparc64LinuxProcess(params, obj_file);
73 else
74 return new Sparc32LinuxProcess(params, obj_file);
75 }
76};
77
78SparcLinuxObjectFileLoader loader;
79
80} // anonymous namespace
81
|
47SyscallDesc*
48SparcLinuxProcess::getDesc(int callnum)
49{
50 if (callnum < 0 || callnum >= Num_Syscall_Descs)
51 return NULL;
52 return &syscallDescs[callnum];
53}
54
55SyscallDesc*
56SparcLinuxProcess::getDesc32(int callnum)
57{
58 if (callnum < 0 || callnum >= Num_Syscall32_Descs)
59 return NULL;
60 return &syscall32Descs[callnum];
61}
62
63Sparc32LinuxProcess::Sparc32LinuxProcess(ProcessParams * params,
64 ObjectFile *objFile)
65 : Sparc32Process(params, objFile)
66{}
67
68void Sparc32LinuxProcess::handleTrap(int trapNum, ThreadContext *tc,
69 Fault *fault)
70{
71 switch (trapNum) {
72 case 0x10: //Linux 32 bit syscall trap
73 tc->syscall(tc->readIntReg(1), fault);
74 break;
75 default:
76 SparcProcess::handleTrap(trapNum, tc, fault);
77 }
78}
79
80Sparc64LinuxProcess::Sparc64LinuxProcess(ProcessParams * params,
81 ObjectFile *objFile)
82 : Sparc64Process(params, objFile)
83{}
84
85void Sparc64LinuxProcess::handleTrap(int trapNum, ThreadContext *tc,
86 Fault *fault)
87{
88 switch (trapNum) {
89 // case 0x10: // Linux 32 bit syscall trap
90 case 0x6d: // Linux 64 bit syscall trap
91 tc->syscall(tc->readIntReg(1), fault);
92 break;
93 default:
94 SparcProcess::handleTrap(trapNum, tc, fault);
95 }
96}
| 82SyscallDesc*
83SparcLinuxProcess::getDesc(int callnum)
84{
85 if (callnum < 0 || callnum >= Num_Syscall_Descs)
86 return NULL;
87 return &syscallDescs[callnum];
88}
89
90SyscallDesc*
91SparcLinuxProcess::getDesc32(int callnum)
92{
93 if (callnum < 0 || callnum >= Num_Syscall32_Descs)
94 return NULL;
95 return &syscall32Descs[callnum];
96}
97
98Sparc32LinuxProcess::Sparc32LinuxProcess(ProcessParams * params,
99 ObjectFile *objFile)
100 : Sparc32Process(params, objFile)
101{}
102
103void Sparc32LinuxProcess::handleTrap(int trapNum, ThreadContext *tc,
104 Fault *fault)
105{
106 switch (trapNum) {
107 case 0x10: //Linux 32 bit syscall trap
108 tc->syscall(tc->readIntReg(1), fault);
109 break;
110 default:
111 SparcProcess::handleTrap(trapNum, tc, fault);
112 }
113}
114
115Sparc64LinuxProcess::Sparc64LinuxProcess(ProcessParams * params,
116 ObjectFile *objFile)
117 : Sparc64Process(params, objFile)
118{}
119
120void Sparc64LinuxProcess::handleTrap(int trapNum, ThreadContext *tc,
121 Fault *fault)
122{
123 switch (trapNum) {
124 // case 0x10: // Linux 32 bit syscall trap
125 case 0x6d: // Linux 64 bit syscall trap
126 tc->syscall(tc->readIntReg(1), fault);
127 break;
128 default:
129 SparcProcess::handleTrap(trapNum, tc, fault);
130 }
131}
|