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process.hh
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28  * Authors: Gabe Black
29  * Ali Saidi
30  */
31 
32 #ifndef __ARCH_ALPHA_PROCESS_HH__
33 #define __ARCH_ALPHA_PROCESS_HH__
34 
35 #include "mem/page_table.hh"
36 #include "sim/process.hh"
37 
38 class AlphaProcess : public Process
39 {
40  private:
41  void setupASNReg();
42 
43  protected:
44  AlphaProcess(ProcessParams *params, ObjectFile *objFile);
45 
46  void loadState(CheckpointIn &cp) override;
47  void initState() override;
48 
49  void argsInit(int intSize, int pageSize);
50 
51  public:
52  AlphaISA::IntReg getSyscallArg(ThreadContext *tc, int &i) override;
55  void setSyscallArg(ThreadContext *tc, int i, AlphaISA::IntReg val) override;
57  SyscallReturn return_value) override;
58 
59  // override default implementation in Process as the mmap
60  // region for Alpha platforms grows upward
61  virtual bool mmapGrowsDown() const override { return false; }
62 };
63 
64 /* No architectural page table defined for this ISA */
66 
67 #endif // __ARCH_ALPHA_PROCESS_HH__
ObjectFile * objFile
Definition: process.hh:182
void loadState(CheckpointIn &cp) override
loadState() is called on each SimObject when restoring from a checkpoint.
Definition: process.cc:192
AlphaISA::IntReg getSyscallArg(ThreadContext *tc, int &i) override
Definition: process.cc:222
Bitfield< 7 > i
Definition: miscregs.hh:1378
virtual bool mmapGrowsDown() const override
Does mmap region grow upward or downward from mmapEnd? Most platforms grow downward, but a few (such as Alpha) grow upward instead, so they can override this method to return false.
Definition: process.hh:61
const Params * params() const
Definition: sim_object.hh:111
virtual TheISA::IntReg getSyscallArg(ThreadContext *tc, int &i)=0
void setSyscallArg(ThreadContext *tc, int i, AlphaISA::IntReg val) override
Definition: process.cc:229
ThreadContext is the external interface to all thread state for anything outside of the CPU...
Bitfield< 63 > val
Definition: misc.hh:770
Faux page table class indended to stop the usage of an architectural page table, when there is none d...
Definition: page_table.hh:254
AlphaProcess(ProcessParams *params, ObjectFile *objFile)
Definition: process.cc:50
uint64_t IntReg
Definition: registers.hh:47
Declarations of a non-full system Page Table.
void setSyscallReturn(ThreadContext *tc, SyscallReturn return_value) override
Definition: process.cc:236
void argsInit(int intSize, int pageSize)
Definition: process.cc:74
void setupASNReg()
Definition: process.cc:184
NoArchPageTable ArchPageTable
Definition: process.hh:65
This class represents the return value from an emulated system call, including any errno setting...
void initState() override
initState() is called on each SimObject when not restoring from a checkpoint.
Definition: process.cc:202

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