#ifndef __SPARC_PROCESS_HH__
#define __SPARC_PROCESS_HH__
+#include <memory>
#include <string>
#include <vector>
+
+#include "arch/sparc/isa_traits.hh"
+#include "base/loader/object_file.hh"
+#include "mem/page_table.hh"
+#include "sim/byteswap.hh"
#include "sim/process.hh"
-class ObjectFile;
-class System;
+class SparcProcess : public Process
+{
+ protected:
+
+ const Addr StackBias;
+
+ // The locations of the fill and spill handlers
+ Addr fillStart, spillStart;
+
+ SparcProcess(ProcessParams * params, ObjectFile *objFile,
+ Addr _StackBias);
+
+ void initState();
+
+ template<class IntType>
+ void argsInit(int pageSize);
-typedef struct
+ public:
+
+ // Handles traps which request services from the operating system
+ virtual void handleTrap(int trapNum, ThreadContext *tc, Fault *fault);
+
+ Addr readFillStart() { return fillStart; }
+ Addr readSpillStart() { return spillStart; }
+
+ virtual void flushWindows(ThreadContext *tc) = 0;
+ void setSyscallReturn(ThreadContext *tc, SyscallReturn return_value);
+};
+
+class Sparc32Process : public SparcProcess
{
- int64_t a_type;
- union {
- int64_t a_val;
- Addr a_ptr;
- Addr a_fcn;
- };
-} m5_auxv_t;
-
-class SparcLiveProcess : public LiveProcess
+ protected:
+
+ Sparc32Process(ProcessParams * params, ObjectFile *objFile)
+ : SparcProcess(params, objFile, 0)
+ {
+ Addr brk_point = objFile->dataBase() + objFile->dataSize() +
+ objFile->bssSize();
+ brk_point = roundUp(brk_point, SparcISA::PageBytes);
+
+ // Reserve 8M for main stack.
+ Addr max_stack_size = 8 * 1024 * 1024;
+
+ // Set up stack. On SPARC Linux, stack goes from the top of memory
+ // downward, less the hole for the kernel address space.
+ Addr stack_base = 0xf0000000ULL;
+
+ // Set pointer for next thread stack.
+ Addr next_thread_stack_base = stack_base - max_stack_size;
+
+ // Set up region for mmaps.
+ Addr mmap_end = 0x70000000;
+
+ memState = std::make_shared<MemState>(brk_point, stack_base,
+ max_stack_size,
+ next_thread_stack_base,
+ mmap_end);
+ }
+
+ void initState();
+
+ public:
+
+ void argsInit(int intSize, int pageSize);
+
+ void flushWindows(ThreadContext *tc);
+
+ RegVal getSyscallArg(ThreadContext *tc, int &i);
+ /// Explicitly import the otherwise hidden getSyscallArg
+ using Process::getSyscallArg;
+
+ void setSyscallArg(ThreadContext *tc, int i, RegVal val);
+};
+
+class Sparc64Process : public SparcProcess
{
protected:
- static const Addr StackBias = 2047;
+ Sparc64Process(ProcessParams * params, ObjectFile *objFile)
+ : SparcProcess(params, objFile, 2047)
+ {
+ Addr brk_point = objFile->dataBase() + objFile->dataSize() +
+ objFile->bssSize();
+ brk_point = roundUp(brk_point, SparcISA::PageBytes);
- //The locations of the fill and spill handlers
- Addr fillStart, spillStart;
+ Addr max_stack_size = 8 * 1024 * 1024;
+
+ // Set up stack. On SPARC Linux, stack goes from the top of memory
+ // downward, less the hole for the kernel address space.
+ Addr stack_base = 0x80000000000ULL;
+
+ // Set pointer for next thread stack. Reserve 8M for main stack.
+ Addr next_thread_stack_base = stack_base - max_stack_size;
- std::vector<m5_auxv_t> auxv;
+ // Set up region for mmaps.
+ Addr mmap_end = 0xfffff80000000000ULL;
- SparcLiveProcess(const std::string &nm, ObjectFile *objFile,
- System *_system, int stdin_fd, int stdout_fd, int stderr_fd,
- std::vector<std::string> &argv,
- std::vector<std::string> &envp,
- const std::string &cwd,
- uint64_t _uid, uint64_t _euid,
- uint64_t _gid, uint64_t _egid,
- uint64_t _pid, uint64_t _ppid);
+ memState = std::make_shared<MemState>(brk_point, stack_base,
+ max_stack_size,
+ next_thread_stack_base,
+ mmap_end);
+ }
- void startup();
+ void initState();
public:
void argsInit(int intSize, int pageSize);
- Addr readFillStart()
- { return fillStart; }
+ void flushWindows(ThreadContext *tc);
- Addr readSpillStart()
- { return spillStart; }
+ RegVal getSyscallArg(ThreadContext *tc, int &i);
+ /// Explicitly import the otherwise hidden getSyscallArg
+ using Process::getSyscallArg;
+ void setSyscallArg(ThreadContext *tc, int i, RegVal val);
};
#endif // __SPARC_PROCESS_HH__