gem5  v21.2.0.0
process_types.hh
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27 
28 #ifndef __SYSTEMC_CORE_PROCESS_TYPES_HH__
29 #define __SYSTEMC_CORE_PROCESS_TYPES_HH__
30 
31 #include "systemc/core/process.hh"
33 
34 namespace sc_gem5
35 {
36 
37 class Method : public Process
38 {
39  public:
40  Method(const char *name, ProcessFuncWrapper *func, bool internal=false) :
42  {}
43 
44  const char *kind() const override { return "sc_method_process"; }
45 
47  procKind() const override
48  {
50  }
51 };
52 
53 class Thread : public Process
54 {
55  public:
56  Thread(const char *name, ProcessFuncWrapper *func, bool internal=false) :
57  Process(name, func, internal), ctx(nullptr)
58  {}
59 
60  ~Thread() { delete ctx; }
61 
62  const char *kind() const override { return "sc_thread_process"; }
63 
65  procKind() const override
66  {
68  }
69 
70  gem5::Fiber *
71  fiber() override
72  {
73  if (!ctx)
74  ctx = new Context(this, stackSize);
75  return ctx;
76  }
77 
78  private:
79  class Context : public gem5::Fiber
80  {
81  public:
82  Context(Thread *thread, size_t size)
83  : gem5::Fiber(size), thread(thread)
84  {}
85 
86  private:
88 
89  void
90  main() override
91  {
92  thread->_needsStart = false;
93  try {
94  thread->run();
95  } catch (...) {
96  thread->terminate();
98  return;
99  }
100  thread->terminate();
101  scheduler.yield();
102  }
103  };
104  friend class Context;
105 
107 };
108 
109 class CThread : public Thread
110 {
111  public:
112  CThread(const char *name, ProcessFuncWrapper *func, bool internal=false) :
114  {
115  // We'll be in the initialization list now, but we shouldn't be.
116  popListNode();
117  }
118 
119  const char *kind() const override { return "sc_cthread_process"; }
120 
122  procKind() const override
123  {
125  }
126 };
127 
128 } // namespace sc_gem5
129 
130 #endif //__SYSTEMC_CORE_PROCESS_TYPES_HH__
sc_gem5::Process::_needsStart
bool _needsStart
Definition: process.hh:172
sc_core::SC_THREAD_PROC_
@ SC_THREAD_PROC_
Definition: sc_process_handle.hh:88
sc_gem5::Thread::fiber
gem5::Fiber * fiber() override
Definition: process_types.hh:71
sc_gem5::Thread::Context::Context
Context(Thread *thread, size_t size)
Definition: process_types.hh:82
sc_gem5::Process::run
void run()
Definition: process.cc:262
sc_gem5::Scheduler::yield
void yield()
Definition: scheduler.cc:160
sc_gem5::CThread::CThread
CThread(const char *name, ProcessFuncWrapper *func, bool internal=false)
Definition: process_types.hh:112
sc_gem5::ProcessFuncWrapper
Definition: sc_process_handle.hh:43
sc_gem5::Method::procKind
sc_core::sc_curr_proc_kind procKind() const override
Definition: process_types.hh:47
sc_gem5::Thread
Definition: process_types.hh:53
sc_gem5::CThread
Definition: process_types.hh:109
sc_gem5::Method::kind
const char * kind() const override
Definition: process_types.hh:44
sc_gem5::Thread::Context::main
void main() override
This method is called when this fiber is first run.
Definition: process_types.hh:90
sc_gem5::Method::Method
Method(const char *name, ProcessFuncWrapper *func, bool internal=false)
Definition: process_types.hh:40
sc_gem5::Thread::procKind
sc_core::sc_curr_proc_kind procKind() const override
Definition: process_types.hh:65
sc_core::SC_CTHREAD_PROC_
@ SC_CTHREAD_PROC_
Definition: sc_process_handle.hh:89
sc_gem5::Thread::Context::thread
Thread * thread
Definition: process_types.hh:87
sc_gem5::Thread::Thread
Thread(const char *name, ProcessFuncWrapper *func, bool internal=false)
Definition: process_types.hh:56
sc_gem5::ListNode::popListNode
void popListNode()
Definition: list.hh:51
sc_gem5::Scheduler::throwUp
void throwUp()
Definition: scheduler.cc:459
sc_gem5::Method
Definition: process_types.hh:37
gem5::Fiber
This class represents a fiber, which is a light weight sort of thread which is cooperatively schedule...
Definition: fiber.hh:71
sc_gem5::Process::terminate
void terminate()
Definition: process.cc:395
sc_core::SC_METHOD_PROC_
@ SC_METHOD_PROC_
Definition: sc_process_handle.hh:87
sc_gem5::Thread::ctx
Context * ctx
Definition: process_types.hh:106
sc_gem5::Process
Definition: process.hh:62
sc_gem5::Thread::kind
const char * kind() const override
Definition: process_types.hh:62
process.hh
sc_gem5::CThread::procKind
sc_core::sc_curr_proc_kind procKind() const override
Definition: process_types.hh:122
sc_core::sc_object::name
const char * name() const
Definition: sc_object.cc:44
sc_gem5::Thread::~Thread
~Thread()
Definition: process_types.hh:60
gem5::Fiber::Fiber
Fiber(size_t stack_size=DefaultStackSize)
Definition: fiber.cc:85
sc_gem5
Definition: sc_clock.cc:41
sc_gem5::Process::stackSize
size_t stackSize
Definition: process.hh:193
sc_gem5::CThread::kind
const char * kind() const override
Definition: process_types.hh:119
sc_gem5::scheduler
Scheduler scheduler
Definition: scheduler.cc:494
gem5
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
Definition: tlb.cc:60
sc_gem5::Thread::Context
Definition: process_types.hh:79
scheduler.hh
sc_gem5::Process::func
ProcessFuncWrapper * func
Definition: process.hh:163
sc_gem5::Thread::Context
friend class Context
Definition: process_types.hh:104
sc_gem5::Process::internal
bool internal()
Definition: process.hh:129
sc_core::sc_curr_proc_kind
sc_curr_proc_kind
Definition: sc_process_handle.hh:84

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