[Projects] [nolimips: 112] Implement VirtualMachine's methods in .cc

Index: ChangeLog from Benoît Perrot &lt;benoit(a)lrde.epita.fr&gt; * src/vm/virtual_machine.hh: Move the implementation of rarely used methods to... * src/vm/virtual_machine.cc: This file. Index: src/vm/virtual_machine.hh --- src/vm/virtual_machine.hh (revision 109) +++ src/vm/virtual_machine.hh (working copy) @@ -73,9 +73,8 @@ public: /// Reset the vm - void reset() - { - } + void reset(); + /// Print the vm void print(std::ostream& ostr) const { @@ -86,31 +85,11 @@ public: /// Load a program into memory. - void load_program(const inst::Program& program) - { - if (! program.text_section ().has_label(inst::Label("main"))) - { - std::cerr << "No `main' label in assembly file." << std::endl; - exit_set(exit_runtime); - return; - } - mmu_.data_store(program.data_section()); - mmu_.inst_store(program.text_section()); - cpu_.set_pc(program.text_section ().get_offset(inst::Label("main"))); - } + void load_program(const inst::Program& program); public: /// Execute a program. - void execute() - { - // FIXME: precondition on loaded program - - while (!cpu_.get_halt()) - { - cpu_.step(); - cp0_.set_count(cp0_.get_count() + 1); - } - } + void execute(); /** \name Shell entry point \{ */ @@ -129,48 +108,10 @@ public: /// Execute a program - void execute(bool trace_p) - { - if (status_ == stop) - return; - - cpu_.set_trace(trace_p); - while (status_ == run) - { - cpu_.step(); - cp0_.set_count(cp0_.get_count() + 1); - if (cpu_.get_halt()) - { - status_ = halt; - std::cerr << "Program exited." << std::endl; - break; - } - if (has(breakpoints_, cpu_.get_pc())) - { - std::cout << "Breakpoint at pc = " << cpu_.get_pc() << std::endl; - status_ = pause; - } - if (mode_ == step) - status_ = pause; - } - } + void execute(bool trace_p); /// Add a breakpoint - void add_breakpoint(const std::string& label) - { - int offset; - - if (!has_label(label)) - { - std::cerr << "Label " << label << " not found" << std::endl; - return; - } - offset = get_offset(label); - - std::cout << "Breakpoint " << label - << " at " << offset << " (+4)" << std::endl; - breakpoints_.push_back(offset + 4); - } + void add_breakpoint(const std::string& label); protected: /// The list of breakpoints Index: src/vm/Makefile.am --- src/vm/Makefile.am (revision 109) +++ src/vm/Makefile.am (working copy) @@ -9,5 +9,5 @@ cpu.hh cpu.cc \ segment.hh \ memory.hh \ - virtual_machine.hh \ + virtual_machine.hh virtual_machine.cc \ vm-tasks.hh vm-tasks.cc Index: src/vm/virtual_machine.cc --- src/vm/virtual_machine.cc (revision 0) +++ src/vm/virtual_machine.cc (revision 0) @@ -0,0 +1,100 @@ +// +// This file is part of Nolimips, a MIPS simulator with unlimited registers +// Copyright (C) 2003, 2004 Benoit Perrot &lt;benoit(a)lrde.epita.fr&gt; +// +// Nolimips is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; either version 2 of the License, or +// (at your option) any later version. +// +// Nolimips is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +// +#include "vm/virtual_machine.hh" + +namespace vm +{ + + void + VirtualMachine::reset() + { + } + + void + VirtualMachine::load_program(const inst::Program &program) + { + if (! program.text_section ().has_label(inst::Label("main"))) + { + std::cerr << "No `main' label in assembly file." << std::endl; + exit_set(exit_runtime); + return; + } + mmu_.data_store(program.data_section()); + mmu_.inst_store(program.text_section()); + cpu_.set_pc(program.text_section ().get_offset(inst::Label("main"))); + } + + void + VirtualMachine::execute() + { + // FIXME: precondition on loaded program + + while (!cpu_.get_halt()) + { + cpu_.step(); + cp0_.set_count(cp0_.get_count() + 1); + } + } + + void + VirtualMachine::execute(bool trace_p) + { + if (status_ == stop) + return; + + cpu_.set_trace(trace_p); + while (status_ == run) + { + cpu_.step(); + cp0_.set_count(cp0_.get_count() + 1); + if (cpu_.get_halt()) + { + status_ = halt; + std::cerr << "Program exited." << std::endl; + break; + } + if (has(breakpoints_, cpu_.get_pc())) + { + std::cout << "Breakpoint at pc = " << cpu_.get_pc() << std::endl; + status_ = pause; + } + if (mode_ == step) + status_ = pause; + } + } + + void + VirtualMachine::add_breakpoint(const std::string& label) + { + int offset; + + if (!has_label(label)) + { + std::cerr << "Label " << label << " not found" << std::endl; + return; + } + offset = get_offset(label); + + std::cout << "Breakpoint " << label + << " at " << offset << " (+4)" << std::endl; + breakpoints_.push_back(offset + 4); + } + + +} // namespace vm