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-rw-r--r--src/arch/alpha/process.cc1
-rw-r--r--src/arch/arm/process.cc1
-rw-r--r--src/arch/mips/process.cc1
-rw-r--r--src/arch/power/process.cc1
-rw-r--r--src/arch/riscv/process.cc1
-rw-r--r--src/arch/sparc/process.cc1
-rw-r--r--src/arch/x86/process.cc4
-rw-r--r--src/arch/x86/process.hh1
-rw-r--r--src/sim/SConscript1
-rw-r--r--src/sim/aux_vector.cc77
-rw-r--r--src/sim/aux_vector.hh77
-rw-r--r--src/sim/process.cc34
-rw-r--r--src/sim/process.hh259
13 files changed, 269 insertions, 190 deletions
diff --git a/src/arch/alpha/process.cc b/src/arch/alpha/process.cc
index 2ed6a5f21..582dbb57d 100644
--- a/src/arch/alpha/process.cc
+++ b/src/arch/alpha/process.cc
@@ -38,6 +38,7 @@
#include "cpu/thread_context.hh"
#include "debug/Loader.hh"
#include "mem/page_table.hh"
+#include "sim/aux_vector.hh"
#include "sim/byteswap.hh"
#include "sim/process_impl.hh"
#include "sim/syscall_return.hh"
diff --git a/src/arch/arm/process.cc b/src/arch/arm/process.cc
index 0bedcb58c..2fd5cc935 100644
--- a/src/arch/arm/process.cc
+++ b/src/arch/arm/process.cc
@@ -51,6 +51,7 @@
#include "cpu/thread_context.hh"
#include "debug/Stack.hh"
#include "mem/page_table.hh"
+#include "sim/aux_vector.hh"
#include "sim/byteswap.hh"
#include "sim/process_impl.hh"
#include "sim/syscall_return.hh"
diff --git a/src/arch/mips/process.cc b/src/arch/mips/process.cc
index 9abe410c7..c1943bf39 100644
--- a/src/arch/mips/process.cc
+++ b/src/arch/mips/process.cc
@@ -39,6 +39,7 @@
#include "cpu/thread_context.hh"
#include "debug/Loader.hh"
#include "mem/page_table.hh"
+#include "sim/aux_vector.hh"
#include "sim/process.hh"
#include "sim/process_impl.hh"
#include "sim/syscall_return.hh"
diff --git a/src/arch/power/process.cc b/src/arch/power/process.cc
index 91e91b672..7359fbf9a 100644
--- a/src/arch/power/process.cc
+++ b/src/arch/power/process.cc
@@ -40,6 +40,7 @@
#include "cpu/thread_context.hh"
#include "debug/Stack.hh"
#include "mem/page_table.hh"
+#include "sim/aux_vector.hh"
#include "sim/process_impl.hh"
#include "sim/syscall_return.hh"
#include "sim/system.hh"
diff --git a/src/arch/riscv/process.cc b/src/arch/riscv/process.cc
index 8629a57d6..6bc328325 100644
--- a/src/arch/riscv/process.cc
+++ b/src/arch/riscv/process.cc
@@ -42,6 +42,7 @@
#include "cpu/thread_context.hh"
#include "debug/Loader.hh"
#include "mem/page_table.hh"
+#include "sim/aux_vector.hh"
#include "sim/process.hh"
#include "sim/process_impl.hh"
#include "sim/syscall_return.hh"
diff --git a/src/arch/sparc/process.cc b/src/arch/sparc/process.cc
index 87790e9c3..121f2f710 100644
--- a/src/arch/sparc/process.cc
+++ b/src/arch/sparc/process.cc
@@ -42,6 +42,7 @@
#include "cpu/thread_context.hh"
#include "debug/Stack.hh"
#include "mem/page_table.hh"
+#include "sim/aux_vector.hh"
#include "sim/process_impl.hh"
#include "sim/syscall_return.hh"
#include "sim/system.hh"
diff --git a/src/arch/x86/process.cc b/src/arch/x86/process.cc
index a774dd000..245fbebf4 100644
--- a/src/arch/x86/process.cc
+++ b/src/arch/x86/process.cc
@@ -44,6 +44,9 @@
#include "arch/x86/process.hh"
+#include <string>
+#include <vector>
+
#include "arch/x86/isa_traits.hh"
#include "arch/x86/regs/misc.hh"
#include "arch/x86/regs/segment.hh"
@@ -57,6 +60,7 @@
#include "debug/Stack.hh"
#include "mem/multi_level_page_table.hh"
#include "mem/page_table.hh"
+#include "sim/aux_vector.hh"
#include "sim/process_impl.hh"
#include "sim/syscall_desc.hh"
#include "sim/syscall_return.hh"
diff --git a/src/arch/x86/process.hh b/src/arch/x86/process.hh
index 34a275095..fa95b4ff4 100644
--- a/src/arch/x86/process.hh
+++ b/src/arch/x86/process.hh
@@ -43,6 +43,7 @@
#include <string>
#include <vector>
+#include "sim/aux_vector.hh"
#include "sim/process.hh"
#include "mem/multi_level_page_table.hh"
diff --git a/src/sim/SConscript b/src/sim/SConscript
index 7fec029f1..6b0b8430b 100644
--- a/src/sim/SConscript
+++ b/src/sim/SConscript
@@ -75,6 +75,7 @@ Source('mathexpr.cc')
if env['TARGET_ISA'] != 'null':
SimObject('InstTracer.py')
SimObject('Process.py')
+ Source('aux_vector.cc')
Source('faults.cc')
Source('process.cc')
Source('fd_entry.cc')
diff --git a/src/sim/aux_vector.cc b/src/sim/aux_vector.cc
new file mode 100644
index 000000000..a16573e23
--- /dev/null
+++ b/src/sim/aux_vector.cc
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2016 Advanced Micro Devices, Inc.
+ * All rights reserved.
+ *
+ * For use for simulation and test purposes only
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Author: Brandon Potter
+ */
+
+#include "sim/aux_vector.hh"
+
+#include <inttypes.h>
+
+#include "config/the_isa.hh"
+
+#if THE_ISA == ALPHA_ISA
+#include "arch/alpha/linux/process.hh"
+
+#elif THE_ISA == SPARC_ISA
+#include "arch/sparc/linux/process.hh"
+#include "arch/sparc/solaris/process.hh"
+
+#elif THE_ISA == MIPS_ISA
+#include "arch/mips/linux/process.hh"
+
+#elif THE_ISA == ARM_ISA
+#include "arch/arm/freebsd/process.hh"
+#include "arch/arm/linux/process.hh"
+
+#elif THE_ISA == X86_ISA
+#include "arch/x86/linux/process.hh"
+
+#elif THE_ISA == RISCV_ISA
+#include "arch/riscv/linux/process.hh"
+
+#elif THE_ISA == POWER_ISA
+#include "arch/power/linux/process.hh"
+
+#else
+#error "THE_ISA not set"
+#endif
+
+template<class IntType>
+AuxVector<IntType>::AuxVector(IntType type, IntType val)
+{
+ a_type = TheISA::htog(type);
+ a_val = TheISA::htog(val);
+}
+
+template struct AuxVector<uint32_t>;
+template struct AuxVector<uint64_t>;
diff --git a/src/sim/aux_vector.hh b/src/sim/aux_vector.hh
new file mode 100644
index 000000000..e6569ae9b
--- /dev/null
+++ b/src/sim/aux_vector.hh
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2016 Advanced Micro Devices, Inc.
+ * All rights reserved.
+ *
+ * For use for simulation and test purposes only
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Author: Brandon Potter
+ */
+
+#ifndef __AUX_VECTOR_HH__
+#define __AUX_VECTOR_HH__
+
+template<class IntType>
+struct AuxVector
+{
+ IntType a_type;
+ IntType a_val;
+
+ AuxVector()
+ {}
+
+ AuxVector(IntType type, IntType val);
+};
+
+enum AuxiliaryVectorType {
+ M5_AT_NULL = 0,
+ M5_AT_IGNORE = 1,
+ M5_AT_EXECFD = 2,
+ M5_AT_PHDR = 3,
+ M5_AT_PHENT = 4,
+ M5_AT_PHNUM = 5,
+ M5_AT_PAGESZ = 6,
+ M5_AT_BASE = 7,
+ M5_AT_FLAGS = 8,
+ M5_AT_ENTRY = 9,
+ M5_AT_NOTELF = 10,
+ M5_AT_UID = 11,
+ M5_AT_EUID = 12,
+ M5_AT_GID = 13,
+ M5_AT_EGID = 14,
+ M5_AT_PLATFORM = 15,
+ M5_AT_HWCAP = 16,
+ M5_AT_CLKTCK = 17,
+ M5_AT_SECURE = 23,
+ M5_BASE_PLATFORM = 24,
+ M5_AT_RANDOM = 25,
+ M5_AT_EXECFN = 31,
+ M5_AT_VECTOR_SIZE = 44
+};
+
+#endif // __AUX_VECTOR_HH__
diff --git a/src/sim/process.cc b/src/sim/process.cc
index bcb9b582f..50ebc9cec 100644
--- a/src/sim/process.cc
+++ b/src/sim/process.cc
@@ -93,17 +93,6 @@ using namespace TheISA;
// current number of allocated processes
int num_processes = 0;
-template<class IntType>
-
-AuxVector<IntType>::AuxVector(IntType type, IntType val)
-{
- a_type = TheISA::htog(type);
- a_val = TheISA::htog(val);
-}
-
-template struct AuxVector<uint32_t>;
-template struct AuxVector<uint64_t>;
-
static int
openFile(const string& filename, int flags, mode_t mode)
{
@@ -205,7 +194,6 @@ Process::Process(ProcessParams * params, ObjectFile * obj_file)
}
}
-
void
Process::regStats()
{
@@ -497,7 +485,6 @@ Process::unserialize(CheckpointIn &cp)
// found.
}
-
bool
Process::map(Addr vaddr, Addr paddr, int size, bool cacheable)
{
@@ -506,7 +493,6 @@ Process::map(Addr vaddr, Addr paddr, int size, bool cacheable)
return true;
}
-
void
Process::syscall(int64_t callnum, ThreadContext *tc)
{
@@ -525,7 +511,6 @@ Process::getSyscallArg(ThreadContext *tc, int &i, int width)
return getSyscallArg(tc, i);
}
-
EmulatedDriver *
Process::findDriver(std::string filename)
{
@@ -561,14 +546,12 @@ Process::updateBias()
interp->updateBias(ld_bias);
}
-
ObjectFile *
Process::getInterpreter()
{
return objFile->getInterpreter();
}
-
Addr
Process::getBias()
{
@@ -577,7 +560,6 @@ Process::getBias()
return interp ? interp->bias() : objFile->bias();
}
-
Addr
Process::getStartPC()
{
@@ -586,7 +568,6 @@ Process::getStartPC()
return interp ? interp->entryPoint() : objFile->entryPoint();
}
-
Process *
ProcessParams::create()
{
@@ -634,7 +615,6 @@ ProcessParams::create()
}
break;
-
case ObjectFile::Solaris:
process = new SparcSolarisProcess(this, obj_file);
break;
@@ -743,3 +723,17 @@ ProcessParams::create()
fatal("Unknown error creating process object.");
return process;
}
+
+std::string
+Process::fullPath(const std::string &file_name)
+{
+ if (file_name[0] == '/' || cwd.empty())
+ return file_name;
+
+ std::string full = cwd;
+
+ if (cwd[cwd.size() - 1] != '/')
+ full += '/';
+
+ return full + file_name;
+}
diff --git a/src/sim/process.hh b/src/sim/process.hh
index f3d0f1b62..dde131628 100644
--- a/src/sim/process.hh
+++ b/src/sim/process.hh
@@ -33,6 +33,8 @@
#ifndef __PROCESS_HH__
#define __PROCESS_HH__
+#include <inttypes.h>
+
#include <array>
#include <map>
#include <string>
@@ -56,30 +58,9 @@ class SyscallReturn;
class System;
class ThreadContext;
-template<class IntType>
-struct AuxVector
-{
- IntType a_type;
- IntType a_val;
-
- AuxVector()
- {}
-
- AuxVector(IntType type, IntType val);
-};
-
class Process : public SimObject
{
public:
-
- /// Pointer to object representing the system this process is
- /// running on.
- System *system;
-
- // thread contexts associated with this process
- std::vector<ContextID> contextIds;
-
- // record of blocked context
struct WaitRec
{
Addr waitChan;
@@ -87,82 +68,59 @@ class Process : public SimObject
WaitRec(Addr chan, ThreadContext *ctx)
: waitChan(chan), waitingContext(ctx)
- { }
+ { }
};
- // list of all blocked contexts
- std::list<WaitRec> waitList;
-
- Addr brk_point; // top of the data segment
-
- Addr stack_base; // stack segment base (highest address)
- unsigned stack_size; // initial stack size
- Addr stack_min; // lowest address accessed on the stack
-
- // The maximum size allowed for the stack.
- Addr max_stack_size;
-
- // addr to use for next stack region (for multithreaded apps)
- Addr next_thread_stack_base;
-
- // Base of region for mmaps (when user doesn't specify an address).
- Addr mmap_end;
-
- // Does mmap region grow upward or downward from mmap_end? Most
- // platforms grow downward, but a few (such as Alpha) grow upward
- // instead, so they can override thie method to return false.
- virtual bool mmapGrowsDown() const { return true; }
-
- Stats::Scalar num_syscalls; // number of syscalls executed
+ Process(ProcessParams *params, ObjectFile *obj_file);
- protected:
- // constructor
- Process(ProcessParams *params);
+ void serialize(CheckpointOut &cp) const override;
+ void unserialize(CheckpointIn &cp) override;
void initState() override;
-
DrainState drain() override;
- public:
-
- // flag for using architecture specific page table
- bool useArchPT;
- // running KvmCPU in SE mode requires special initialization
- bool kvmInSE;
-
- PageTableBase* pTable;
+ void syscall(int64_t callnum, ThreadContext *tc);
+ virtual TheISA::IntReg getSyscallArg(ThreadContext *tc, int &i) = 0;
+ virtual TheISA::IntReg getSyscallArg(ThreadContext *tc, int &i, int width);
+ virtual void setSyscallArg(ThreadContext *tc, int i,
+ TheISA::IntReg val) = 0;
+ virtual void setSyscallReturn(ThreadContext *tc,
+ SyscallReturn return_value) = 0;
+ virtual SyscallDesc *getDesc(int callnum) = 0;
- protected:
- /// Memory proxy for initialization (image loading)
- SETranslatingPortProxy initVirtMem;
+ inline uint64_t uid() { return _uid; }
+ inline uint64_t euid() { return _euid; }
+ inline uint64_t gid() { return _gid; }
+ inline uint64_t egid() { return _egid; }
+ inline uint64_t pid() { return _pid; }
+ inline uint64_t ppid() { return _ppid; }
- private:
- static const int NUM_FDS = 1024;
+ const char *progName() const { return executable.c_str(); }
+ std::string fullPath(const std::string &filename);
+ std::string getcwd() const { return cwd; }
- // File descriptor remapping support.
- std::shared_ptr<std::array<FDEntry, NUM_FDS>> fd_array;
+ /**
+ * Find an emulated device driver.
+ *
+ * @param filename Name of the device (under /dev)
+ * @return Pointer to driver object if found, else NULL
+ */
+ EmulatedDriver *findDriver(std::string filename);
- // Standard file descriptor options for initialization and checkpoints.
- std::map<std::string, int> imap;
- std::map<std::string, int> oemap;
+ // This function acts as a callback to update the bias value in
+ // the object file because the parameters needed to calculate the
+ // bias are not available when the object file is created.
+ void updateBias();
+ Addr getBias();
+ Addr getStartPC();
+ ObjectFile *getInterpreter();
- public:
// inherit file descriptor map from another process (necessary for clone)
void inheritFDArray(Process *p);
// override of virtual SimObject method: register statistics
void regStats() override;
- // After getting registered with system object, tell process which
- // system-wide context id it is assigned.
- void assignThreadContext(ContextID context_id)
- {
- contextIds.push_back(context_id);
- }
-
- // Find a free context to use
- ThreadContext *findFreeContext();
-
// generate new target fd for sim_fd
int allocFD(int sim_fd, const std::string& filename, int flags, int mode,
bool pipe);
@@ -199,6 +157,24 @@ class Process : public SimObject
/// @return Whether the fault has been fixed.
bool fixupStackFault(Addr vaddr);
+ // After getting registered with system object, tell process which
+ // system-wide context id it is assigned.
+ void
+ assignThreadContext(ContextID context_id)
+ {
+ contextIds.push_back(context_id);
+ }
+
+ // Find a free context to use
+ ThreadContext *findFreeContext();
+
+ /**
+ * Does mmap region grow upward or downward from mmap_end? Most
+ * platforms grow downward, but a few (such as Alpha) grow upward
+ * instead, so they can override this method to return false.
+ */
+ virtual bool mmapGrowsDown() const { return true; }
+
/**
* Maps a contiguous range of virtual addresses in this process's
* address space to a contiguous range of physical addresses.
@@ -214,19 +190,47 @@ class Process : public SimObject
*/
bool map(Addr vaddr, Addr paddr, int size, bool cacheable = true);
- void serialize(CheckpointOut &cp) const override;
- void unserialize(CheckpointIn &cp) override;
+ // list of all blocked contexts
+ std::list<WaitRec> waitList;
+
+ // thread contexts associated with this process
+ std::vector<ContextID> contextIds;
+
+ // system object which owns this process
+ System *system;
+
+ Addr brk_point; // top of the data segment
+ Addr stack_base; // stack segment base
+ unsigned stack_size; // initial stack size
+ Addr stack_min; // furthest address accessed from stack base
+ Addr max_stack_size; // the maximum size allowed for the stack
+ Addr next_thread_stack_base; // addr for next region w/ multithreaded apps
+ Addr mmap_end; // base of automatic mmap region allocs
+
+ Stats::Scalar num_syscalls; // track how many system calls are executed
+
+ bool useArchPT; // flag for using architecture specific page table
+ bool kvmInSE; // running KVM requires special initialization
+
+ PageTableBase* pTable;
+
+ SETranslatingPortProxy initVirtMem; // memory proxy for initial image load
+
+ static const int NUM_FDS = 1024;
+
+ // File descriptor remapping support.
+ std::shared_ptr<std::array<FDEntry, NUM_FDS>> fd_array;
+
+ // Standard file descriptor options for initialization and checkpoints.
+ std::map<std::string, int> imap;
+ std::map<std::string, int> oemap;
- protected:
ObjectFile *objFile;
std::vector<std::string> argv;
std::vector<std::string> envp;
std::string cwd;
std::string executable;
- Process(ProcessParams *params, ObjectFile *obj_file);
-
- public:
// Id of the owner of the process
uint64_t _uid;
uint64_t _euid;
@@ -239,91 +243,6 @@ class Process : public SimObject
// Emulated drivers available to this process
std::vector<EmulatedDriver *> drivers;
-
- enum AuxiliaryVectorType {
- M5_AT_NULL = 0,
- M5_AT_IGNORE = 1,
- M5_AT_EXECFD = 2,
- M5_AT_PHDR = 3,
- M5_AT_PHENT = 4,
- M5_AT_PHNUM = 5,
- M5_AT_PAGESZ = 6,
- M5_AT_BASE = 7,
- M5_AT_FLAGS = 8,
- M5_AT_ENTRY = 9,
- M5_AT_NOTELF = 10,
- M5_AT_UID = 11,
- M5_AT_EUID = 12,
- M5_AT_GID = 13,
- M5_AT_EGID = 14,
- // The following may be specific to Linux
- M5_AT_PLATFORM = 15,
- M5_AT_HWCAP = 16,
- M5_AT_CLKTCK = 17,
-
- M5_AT_SECURE = 23,
- M5_BASE_PLATFORM = 24,
- M5_AT_RANDOM = 25,
-
- M5_AT_EXECFN = 31,
-
- M5_AT_VECTOR_SIZE = 44
- };
-
- inline uint64_t uid() { return _uid; }
- inline uint64_t euid() { return _euid; }
- inline uint64_t gid() { return _gid; }
- inline uint64_t egid() { return _egid; }
- inline uint64_t pid() { return _pid; }
- inline uint64_t ppid() { return _ppid; }
-
- // provide program name for debug messages
- const char *progName() const { return executable.c_str(); }
-
- std::string
- fullPath(const std::string &filename)
- {
- if (filename[0] == '/' || cwd.empty())
- return filename;
-
- std::string full = cwd;
-
- if (cwd[cwd.size() - 1] != '/')
- full += '/';
-
- return full + filename;
- }
-
- std::string getcwd() const { return cwd; }
-
- void syscall(int64_t callnum, ThreadContext *tc);
-
- virtual TheISA::IntReg getSyscallArg(ThreadContext *tc, int &i) = 0;
- virtual TheISA::IntReg getSyscallArg(ThreadContext *tc, int &i, int width);
- virtual void setSyscallArg(ThreadContext *tc,
- int i, TheISA::IntReg val) = 0;
- virtual void setSyscallReturn(ThreadContext *tc,
- SyscallReturn return_value) = 0;
-
- virtual SyscallDesc *getDesc(int callnum) = 0;
-
- /**
- * Find an emulated device driver.
- *
- * @param filename Name of the device (under /dev)
- * @return Pointer to driver object if found, else NULL
- */
- EmulatedDriver *findDriver(std::string filename);
-
- // This function acts as a callback to update the bias value in
- // the object file because the parameters needed to calculate the
- // bias are not available when the object file is created.
- void updateBias();
-
- ObjectFile *getInterpreter();
-
- Addr getBias();
- Addr getStartPC();
};
#endif // __PROCESS_HH__