| /* |
| * Copyright (c) 2003-2004 The Regents of The University of Michigan |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer; |
| * 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; |
| * neither the name of the copyright holders 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 |
| * OWNER 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. |
| * |
| * Authors: Gabe Black |
| * Ali Saidi |
| */ |
| |
| #ifndef __SPARC_PROCESS_HH__ |
| #define __SPARC_PROCESS_HH__ |
| |
| #include <string> |
| #include <vector> |
| |
| #include "sim/byteswap.hh" |
| #include "sim/process.hh" |
| |
| class ObjectFile; |
| class System; |
| |
| class SparcLiveProcess : public LiveProcess |
| { |
| protected: |
| |
| const Addr StackBias; |
| |
| // The locations of the fill and spill handlers |
| Addr fillStart, spillStart; |
| |
| SparcLiveProcess(LiveProcessParams * params, |
| ObjectFile *objFile, Addr _StackBias); |
| |
| void initState(); |
| |
| template<class IntType> |
| void argsInit(int pageSize); |
| |
| public: |
| |
| // Handles traps which request services from the operating system |
| virtual void handleTrap(int trapNum, ThreadContext *tc); |
| |
| Addr readFillStart() { return fillStart; } |
| Addr readSpillStart() { return spillStart; } |
| |
| virtual void flushWindows(ThreadContext *tc) = 0; |
| void setSyscallReturn(ThreadContext *tc, SyscallReturn return_value); |
| }; |
| |
| class Sparc32LiveProcess : public SparcLiveProcess |
| { |
| protected: |
| |
| Sparc32LiveProcess(LiveProcessParams * params, ObjectFile *objFile) : |
| SparcLiveProcess(params, objFile, 0) |
| { |
| // Set up stack. On SPARC Linux, stack goes from the top of memory |
| // downward, less the hole for the kernel address space. |
| stack_base = (Addr)0xf0000000ULL; |
| |
| // Set up region for mmaps. |
| mmap_start = mmap_end = 0x70000000; |
| } |
| |
| void initState(); |
| |
| public: |
| |
| void argsInit(int intSize, int pageSize); |
| |
| void flushWindows(ThreadContext *tc); |
| |
| SparcISA::IntReg getSyscallArg(ThreadContext *tc, int &i); |
| /// Explicitly import the otherwise hidden getSyscallArg |
| using LiveProcess::getSyscallArg; |
| |
| void setSyscallArg(ThreadContext *tc, int i, SparcISA::IntReg val); |
| }; |
| |
| class Sparc64LiveProcess : public SparcLiveProcess |
| { |
| protected: |
| |
| Sparc64LiveProcess(LiveProcessParams * params, ObjectFile *objFile) : |
| SparcLiveProcess(params, objFile, 2047) |
| { |
| // Set up stack. On SPARC Linux, stack goes from the top of memory |
| // downward, less the hole for the kernel address space. |
| stack_base = (Addr)0x80000000000ULL; |
| |
| // Set up region for mmaps. Tru64 seems to start just above 0 and |
| // grow up from there. |
| mmap_start = mmap_end = 0xfffff80000000000ULL; |
| } |
| |
| void initState(); |
| |
| public: |
| |
| void argsInit(int intSize, int pageSize); |
| |
| void flushWindows(ThreadContext *tc); |
| |
| SparcISA::IntReg getSyscallArg(ThreadContext *tc, int &i); |
| /// Explicitly import the otherwise hidden getSyscallArg |
| using LiveProcess::getSyscallArg; |
| |
| void setSyscallArg(ThreadContext *tc, int i, SparcISA::IntReg val); |
| }; |
| |
| #endif // __SPARC_PROCESS_HH__ |