gem5  v22.1.0.0
se_workload.hh
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27 
28 #ifndef __SIM_SE_WORKLOAD_HH__
29 #define __SIM_SE_WORKLOAD_HH__
30 
31 #include "params/SEWorkload.hh"
32 #include "sim/mem_pool.hh"
33 #include "sim/workload.hh"
34 
35 namespace gem5
36 {
37 
38 class SEWorkload : public Workload
39 {
40  protected:
43 
44  public:
45  using Params = SEWorkloadParams;
46 
47  SEWorkload(const Params &p, Addr page_shift=0);
48 
49  void setSystem(System *sys) override;
50 
51  Addr
52  getEntry() const override
53  {
54  // This object represents the OS, not the individual processes running
55  // within it.
56  panic("No workload entry point for syscall emulation mode.");
57  }
58 
60  getArch() const override
61  {
62  // ISA specific subclasses should implement this method.
63  // This implemenetation is just to avoid having to implement those for
64  // now, and will be removed in the future.
65  panic("SEWorkload::getArch() not implemented.");
66  }
67 
68  const loader::SymbolTable &
69  symtab(ThreadContext *) override
70  {
71  // This object represents the OS, not the individual processes running
72  // within it.
73  panic("No workload symbol table for syscall emulation mode.");
74  }
75 
76  bool
77  insertSymbol(const loader::Symbol &symbol) override
78  {
79  // This object represents the OS, not the individual processes running
80  // within it.
81  panic("No workload symbol table for syscall emulation mode.");
82  }
83 
84  void serialize(CheckpointOut &cp) const override;
85  void unserialize(CheckpointIn &cp) override;
86 
87  void syscall(ThreadContext *tc) override;
88 
89  // For now, assume the only type of events are system calls.
90  void event(ThreadContext *tc) override { syscall(tc); }
91 
92  Addr allocPhysPages(int npages, int pool_id=0);
93  Addr memSize(int pool_id=0) const;
94  Addr freeMemSize(int pool_id=0) const;
95 };
96 
97 } // namespace gem5
98 
99 #endif // __SIM_SE_WORKLOAD_HH__
SEWorkloadParams Params
Definition: se_workload.hh:45
Addr getEntry() const override
Definition: se_workload.hh:52
void syscall(ThreadContext *tc) override
Definition: se_workload.cc:69
Addr allocPhysPages(int npages, int pool_id=0)
Definition: se_workload.cc:75
SEWorkload(const Params &p, Addr page_shift=0)
Addr freeMemSize(int pool_id=0) const
Definition: se_workload.cc:87
MemPools memPools
Memory allocation objects for all physical memories in the system.
Definition: se_workload.hh:42
void serialize(CheckpointOut &cp) const override
Serialize an object.
Definition: se_workload.cc:57
loader::Arch getArch() const override
Definition: se_workload.hh:60
void event(ThreadContext *tc) override
Definition: se_workload.hh:90
void setSystem(System *sys) override
Addr memSize(int pool_id=0) const
Definition: se_workload.cc:81
void unserialize(CheckpointIn &cp) override
Unserialize an object.
Definition: se_workload.cc:63
bool insertSymbol(const loader::Symbol &symbol) override
Definition: se_workload.hh:77
const loader::SymbolTable & symtab(ThreadContext *) override
Definition: se_workload.hh:69
ThreadContext is the external interface to all thread state for anything outside of the CPU.
#define panic(...)
This implements a cprintf based panic() function.
Definition: logging.hh:178
Bitfield< 54 > p
Definition: pagetable.hh:70
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
std::ostream CheckpointOut
Definition: serialize.hh:66
uint64_t Addr
Address type This will probably be moved somewhere else in the near future.
Definition: types.hh:147

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