gem5  v20.1.0.0
process.hh
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29 
30 #ifndef __POWER_PROCESS_HH__
31 #define __POWER_PROCESS_HH__
32 
33 #include <string>
34 #include <vector>
35 
36 #include "mem/page_table.hh"
37 #include "sim/process.hh"
38 #include "sim/syscall_abi.hh"
39 
40 namespace Loader
41 {
42 class ObjectFile;
43 } // namespace Loader;
44 
45 class PowerProcess : public Process
46 {
47  protected:
48  PowerProcess(ProcessParams * params, ::Loader::ObjectFile *objFile);
49 
50  void initState() override;
51 
52  public:
53  void argsInit(int intSize, int pageSize);
54 
56  {
58  };
59 };
60 
61 namespace GuestABI
62 {
63 
64 template <>
65 struct Result<PowerProcess::SyscallABI, SyscallReturn>
66 {
67  static void
69  {
70  if (ret.suppressed() || ret.needsRetry())
71  return;
72 
73  PowerISA::Cr cr = tc->readIntReg(PowerISA::INTREG_CR);
74  if (ret.successful()) {
75  cr.cr0.so = 0;
76  } else {
77  cr.cr0.so = 1;
78  }
81  }
82 };
83 
84 } // namespace GuestABI
85 
86 #endif // __POWER_PROCESS_HH__
87 
Process
Definition: process.hh:65
GenericSyscallABI64
Definition: syscall_abi.hh:55
ThreadContext::setIntReg
virtual void setIntReg(RegIndex reg_idx, RegVal val)=0
std::vector< int >
syscall_abi.hh
PowerProcess::PowerProcess
PowerProcess(ProcessParams *params, ::Loader::ObjectFile *objFile)
Definition: process.cc:49
PowerISA::INTREG_CR
@ INTREG_CR
Definition: registers.hh:99
Loader
Definition: process.hh:39
PowerProcess::initState
void initState() override
initState() is called on each SimObject when not restoring from a checkpoint.
Definition: process.cc:76
Loader::ObjectFile
Definition: object_file.hh:70
SyscallReturn::suppressed
bool suppressed() const
Should returning this value be suppressed?
Definition: syscall_return.hh:97
ThreadContext
ThreadContext is the external interface to all thread state for anything outside of the CPU.
Definition: thread_context.hh:88
PowerISA::ReturnValueReg
const int ReturnValueReg
Definition: registers.hh:82
GuestABI
Definition: aapcs32.hh:66
SyscallReturn::needsRetry
bool needsRetry() const
Does the syscall need to be retried?
Definition: syscall_return.hh:94
process.hh
Process::objFile
::Loader::ObjectFile * objFile
Definition: process.hh:213
SyscallReturn
This class represents the return value from an emulated system call, including any errno setting.
Definition: syscall_return.hh:52
SimObject::params
const Params * params() const
Definition: sim_object.hh:119
PowerProcess::SyscallABI
Definition: process.hh:55
GuestABI::Result
Definition: definition.hh:58
SyscallReturn::encodedValue
int64_t encodedValue() const
The encoded value (as described above)
Definition: syscall_return.hh:119
PowerProcess::SyscallABI::ArgumentRegs
static const std::vector< int > ArgumentRegs
Definition: process.hh:57
ThreadContext::readIntReg
virtual RegVal readIntReg(RegIndex reg_idx) const =0
PowerProcess
Definition: process.hh:45
page_table.hh
PowerProcess::argsInit
void argsInit(int intSize, int pageSize)
Definition: process.cc:84
GuestABI::Result< PowerProcess::SyscallABI, SyscallReturn >::store
static void store(ThreadContext *tc, const SyscallReturn &ret)
Definition: process.hh:68
SyscallReturn::successful
bool successful() const
Was the system call successful?
Definition: syscall_return.hh:88

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