1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
/*
* Copyright (c) 2003-2005 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Steve Reinhardt
* Gabe Black
* Ali Saidi
*/
#include "arch/sparc/linux/process.hh"
#include "arch/sparc/isa_traits.hh"
#include "arch/sparc/registers.hh"
#include "base/trace.hh"
#include "cpu/thread_context.hh"
#include "kern/linux/linux.hh"
#include "sim/process.hh"
#include "sim/syscall_desc.hh"
#include "sim/syscall_emul.hh"
using namespace std;
using namespace SparcISA;
SyscallDesc*
SparcLinuxProcess::getDesc(int callnum)
{
if (callnum < 0 || callnum >= Num_Syscall_Descs)
return NULL;
return &syscallDescs[callnum];
}
SyscallDesc*
SparcLinuxProcess::getDesc32(int callnum)
{
if (callnum < 0 || callnum >= Num_Syscall32_Descs)
return NULL;
return &syscall32Descs[callnum];
}
Sparc32LinuxProcess::Sparc32LinuxProcess(ProcessParams * params,
ObjectFile *objFile)
: Sparc32Process(params, objFile)
{}
void Sparc32LinuxProcess::handleTrap(int trapNum, ThreadContext *tc,
Fault *fault)
{
switch (trapNum) {
case 0x10: //Linux 32 bit syscall trap
tc->syscall(tc->readIntReg(1), fault);
break;
default:
SparcProcess::handleTrap(trapNum, tc, fault);
}
}
Sparc64LinuxProcess::Sparc64LinuxProcess(ProcessParams * params,
ObjectFile *objFile)
: Sparc64Process(params, objFile)
{}
void Sparc64LinuxProcess::handleTrap(int trapNum, ThreadContext *tc,
Fault *fault)
{
switch (trapNum) {
// case 0x10: // Linux 32 bit syscall trap
case 0x6d: // Linux 64 bit syscall trap
tc->syscall(tc->readIntReg(1), fault);
break;
default:
SparcProcess::handleTrap(trapNum, tc, fault);
}
}
|
