b376c6f420
arch/alpha/ev5.hh:
Added max address PAL code can be at
arch/alpha/vtophys.cc:
Check max address pal can be at so we don't do the wrong conversion
if gdb asks for an unaligned access.
--HG--
extra : convert_revision : b44f6a8fcd8582337a7d4033f28137c7e718a6a8
154 lines
4.8 KiB
C++
154 lines
4.8 KiB
C++
/*
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* Copyright (c) 2004 The Regents of The University of Michigan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __LINUX_SYSTEM_HH__
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#define __LINUX_SYSTEM_HH__
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#include <vector>
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#include "sim/system.hh"
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#include "sim/host.hh"
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#include "targetarch/isa_traits.hh"
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#include <map>
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/**
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* MAGIC address where the kernel arguments should go. Defined as
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* PARAM in linux kernel alpha-asm.
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*/
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const Addr PARAM_ADDR = ULL(0xfffffc000030a000);
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class ExecContext;
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class ElfObject;
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class SymbolTable;
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class DebugPrintkEvent;
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class BreakPCEvent;
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class LinuxSkipDelayLoopEvent;
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class SkipFuncEvent;
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class FnEvent;
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class AlphaArguments;
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/**
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* This class contains linux specific system code (Loading, Events, Binning).
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* It points to objects that are the system binaries to load and patches them
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* appropriately to work in simulator.
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*/
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class LinuxSystem : public System
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{
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private:
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/** Object pointer for the kernel code */
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ElfObject *kernel;
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/** Object pointer for the console code */
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ElfObject *console;
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/** kernel Symbol table */
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SymbolTable *kernelSymtab;
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/** console symbol table */
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SymbolTable *consoleSymtab;
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/** Event to halt the simulator if the kernel calls panic() */
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BreakPCEvent *kernelPanicEvent;
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/** Event to halt the simulator if the console calls panic() */
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BreakPCEvent *consolePanicEvent;
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/** Event to skip determine_cpu_caches() because we don't support the
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* IPRs that the code can access to figure out cache sizes
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*/
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SkipFuncEvent *skipCacheProbeEvent;
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/** PC based event to skip the ide_delay_50ms() call */
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SkipFuncEvent *skipIdeDelay50msEvent;
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/** PC based event to skip the dprink() call and emulate its functionality */
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DebugPrintkEvent *debugPrintkEvent;
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/** Skip calculate_delay_loop() rather than waiting for this to be
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* calculated
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*/
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LinuxSkipDelayLoopEvent *skipDelayLoopEvent;
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/** Begining of kernel code */
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Addr kernelStart;
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/** End of kernel code */
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Addr kernelEnd;
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/** Entry point in the kernel to start at */
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Addr kernelEntry;
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bool bin;
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std::vector<string> binned_fns;
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public:
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std::vector<RemoteGDB *> remoteGDB;
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std::vector<GDBListener *> gdbListen;
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LinuxSystem(const std::string _name,
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const uint64_t _init_param,
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MemoryController *_memCtrl,
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PhysicalMemory *_physmem,
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const std::string &kernel_path,
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const std::string &console_path,
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const std::string &palcode,
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const std::string &boot_osflags,
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const bool _bin,
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const std::vector<std::string> &_binned_fns);
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~LinuxSystem();
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void setDelayLoop(ExecContext *xc);
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int registerExecContext(ExecContext *xc);
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void replaceExecContext(ExecContext *xc, int xcIndex);
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/**
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* Returns the addess the kernel starts at.
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* @return address the kernel starts at
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*/
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Addr getKernelStart() const { return kernelStart; }
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/**
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* Returns the addess the kernel ends at.
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* @return address the kernel ends at
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*/
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Addr getKernelEnd() const { return kernelEnd; }
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/**
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* Returns the addess the entry point to the kernel code.
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* @return entry point of the kernel code
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*/
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Addr getKernelEntry() const { return kernelEntry; }
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bool breakpoint();
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};
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#endif // __LINUX_SYSTEM_HH__
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