gem5  v22.0.0.2
se_workload.cc
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28 
30 
31 #include <sys/syscall.h>
32 
33 #include "arch/sparc/page_size.hh"
34 #include "arch/sparc/process.hh"
36 #include "base/trace.hh"
37 #include "cpu/thread_context.hh"
38 #include "sim/syscall_desc.hh"
39 
40 namespace gem5
41 {
42 
43 namespace
44 {
45 
46 class LinuxLoader : public Process::Loader
47 {
48  public:
49  Process *
50  load(const ProcessParams &params, loader::ObjectFile *obj) override
51  {
52  auto arch = obj->getArch();
53  auto opsys = obj->getOpSys();
54 
55  if (arch != loader::SPARC64 && arch != loader::SPARC32)
56  return nullptr;
57 
58  if (opsys == loader::UnknownOpSys) {
59  warn("Unknown operating system; assuming Linux.");
60  opsys = loader::Linux;
61  }
62 
63  if (opsys != loader::Linux)
64  return nullptr;
65 
66  if (arch == loader::SPARC64)
67  return new Sparc64Process(params, obj);
68  else
69  return new Sparc32Process(params, obj);
70  }
71 };
72 
73 LinuxLoader linuxLoader;
74 
75 } // anonymous namespace
76 
77 namespace SparcISA
78 {
79 
81 {}
82 
83 void
85 {
86  if (is64(tc)) {
87  switch (trapNum) {
88  // case 0x10: // Linux 32 bit syscall trap
89  case 0x6d: // Linux 64 bit syscall trap
90  syscall64(tc);
91  return;
92  case 0x6e: // Linux 64 bit getcontext trap
93  warn("The getcontext trap is not implemented on SPARC");
94  return;
95  case 0x6f: // Linux 64 bit setcontext trap
96  panic("The setcontext trap is not implemented on SPARC");
97  default:
98  break;
99  }
100  } else {
101  switch (trapNum) {
102  case 0x10: //Linux 32 bit syscall trap
103  syscall32(tc);
104  return;
105  default:
106  break;
107  }
108  }
109  SEWorkload::handleTrap(tc, trapNum);
110 }
111 
112 void
114 {
115  Process *process = tc->getProcessPtr();
116  // Call the syscall function in the base Process class to update stats.
117  // This will move into the base SEWorkload function at some point.
118  process->Process::syscall(tc);
119 
120  syscall32Descs.get(tc->readIntReg(1))->doSyscall(tc);
121 }
122 
123 void
125 {
126  Process *process = tc->getProcessPtr();
127  // Call the syscall function in the base Process class to update stats.
128  // This will move into the base SEWorkload function at some point.
129  process->Process::syscall(tc);
130 
131  syscallDescs.get(tc->readIntReg(1))->doSyscall(tc);
132 }
133 
134 void
136 {
137  if (is64(tc))
138  syscall64(tc);
139  else
140  syscall32(tc);
141 }
142 
143 } // namespace SparcISA
144 } // namespace gem5
gem5::SparcISA::EmuLinux::syscall
void syscall(ThreadContext *tc) override
Definition: se_workload.cc:135
gem5::SparcISA::EmuLinux::syscall64
void syscall64(ThreadContext *tc)
Definition: se_workload.cc:124
gem5::SparcISA::EmuLinux::handleTrap
void handleTrap(ThreadContext *tc, int trapNum) override
Definition: se_workload.cc:84
warn
#define warn(...)
Definition: logging.hh:246
process.hh
gem5::SparcISA::EmuLinux::syscall32
void syscall32(ThreadContext *tc)
Definition: se_workload.cc:113
gem5::loader::SPARC64
@ SPARC64
Definition: object_file.hh:65
gem5::SparcISA::EmuLinux::syscall32Descs
static SyscallDescTable< SEWorkload::SyscallABI32 > syscall32Descs
32 bit compatibility syscall descriptors, indexed by call number.
Definition: se_workload.hh:50
gem5::loader::UnknownOpSys
@ UnknownOpSys
Definition: object_file.hh:83
gem5::ThreadContext
ThreadContext is the external interface to all thread state for anything outside of the CPU.
Definition: thread_context.hh:94
gem5::VegaISA::p
Bitfield< 54 > p
Definition: pagetable.hh:70
gem5::ThreadContext::readIntReg
RegVal readIntReg(RegIndex reg_idx) const
Definition: thread_context.hh:204
gem5::SparcISA::SEWorkload
Definition: se_workload.hh:47
gem5::SparcISA::EmuLinux::EmuLinux
EmuLinux(const Params &p)
Definition: se_workload.cc:80
gem5::SparcISA::PageShift
const Addr PageShift
Definition: page_size.hh:40
gem5::ArmISA::SEWorkload::Params
ArmSEWorkloadParams Params
Definition: se_workload.hh:45
gem5::Process
Definition: process.hh:68
gem5::ThreadContext::getProcessPtr
virtual Process * getProcessPtr()=0
gem5::loader::SPARC32
@ SPARC32
Definition: object_file.hh:66
page_size.hh
trace.hh
gem5::SparcISA::SEWorkload::handleTrap
virtual void handleTrap(ThreadContext *tc, int trapNum)
Definition: se_workload.cc:55
gem5
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
Definition: gpu_translation_state.hh:37
se_workload.hh
gem5::SparcISA::SEWorkload::is64
bool is64(ThreadContext *tc)
Definition: se_workload.cc:49
object_file.hh
thread_context.hh
gem5::loader::Linux
@ Linux
Definition: object_file.hh:85
syscall_desc.hh
panic
#define panic(...)
This implements a cprintf based panic() function.
Definition: logging.hh:178
gem5::SparcISA::EmuLinux::syscallDescs
static SyscallDescTable< SEWorkload::SyscallABI64 > syscallDescs
64 bit syscall descriptors, indexed by call number.
Definition: se_workload.hh:47

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