1/* 2 * Copyright (c) 2003-2004 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; --- 26 unchanged lines hidden (view full) --- 35#include <string> 36#include <vector> 37 38#include "mem/page_table.hh" 39#include "sim/byteswap.hh" 40#include "sim/process.hh" 41 42class ObjectFile; |
43 |
44class SparcProcess : public Process |
45{ 46 protected: 47 48 const Addr StackBias; 49 50 // The locations of the fill and spill handlers 51 Addr fillStart, spillStart; 52 |
53 SparcProcess(ProcessParams * params, ObjectFile *objFile, 54 Addr _StackBias); |
55 56 void initState(); 57 58 template<class IntType> 59 void argsInit(int pageSize); 60 61 public: 62 63 // Handles traps which request services from the operating system 64 virtual void handleTrap(int trapNum, ThreadContext *tc); 65 66 Addr readFillStart() { return fillStart; } 67 Addr readSpillStart() { return spillStart; } 68 69 virtual void flushWindows(ThreadContext *tc) = 0; 70 void setSyscallReturn(ThreadContext *tc, SyscallReturn return_value); 71}; 72 |
73class Sparc32Process : public SparcProcess |
74{ 75 protected: 76 |
77 Sparc32Process(ProcessParams * params, ObjectFile *objFile) 78 : SparcProcess(params, objFile, 0) |
79 { 80 // Set up stack. On SPARC Linux, stack goes from the top of memory 81 // downward, less the hole for the kernel address space. 82 stack_base = (Addr)0xf0000000ULL; 83 84 // Set up region for mmaps. 85 mmap_end = 0x70000000; 86 } 87 88 void initState(); 89 90 public: 91 92 void argsInit(int intSize, int pageSize); 93 94 void flushWindows(ThreadContext *tc); 95 96 SparcISA::IntReg getSyscallArg(ThreadContext *tc, int &i); 97 /// Explicitly import the otherwise hidden getSyscallArg |
98 using Process::getSyscallArg; |
99 100 void setSyscallArg(ThreadContext *tc, int i, SparcISA::IntReg val); 101}; 102 |
103class Sparc64Process : public SparcProcess |
104{ 105 protected: 106 |
107 Sparc64Process(ProcessParams * params, ObjectFile *objFile) 108 : SparcProcess(params, objFile, 2047) |
109 { 110 // Set up stack. On SPARC Linux, stack goes from the top of memory 111 // downward, less the hole for the kernel address space. 112 stack_base = (Addr)0x80000000000ULL; 113 114 // Set up region for mmaps. 115 mmap_end = 0xfffff80000000000ULL; 116 } 117 118 void initState(); 119 120 public: 121 122 void argsInit(int intSize, int pageSize); 123 124 void flushWindows(ThreadContext *tc); 125 126 SparcISA::IntReg getSyscallArg(ThreadContext *tc, int &i); 127 /// Explicitly import the otherwise hidden getSyscallArg |
128 using Process::getSyscallArg; |
129 130 void setSyscallArg(ThreadContext *tc, int i, SparcISA::IntReg val); 131}; 132 133/* No architectural page table defined for this ISA */ 134typedef NoArchPageTable ArchPageTable; 135 136#endif // __SPARC_PROCESS_HH__ |