2003-12-02 04:34:38 +01:00
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/*
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2005-03-10 20:20:12 +01:00
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* Copyright (c) 2003-2005 The Regents of The University of Michigan
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2003-12-02 04:34:38 +01:00
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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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2006-02-19 05:44:22 +01:00
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#include <fcntl.h>
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2003-12-02 04:34:38 +01:00
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#include <unistd.h>
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#include <string>
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#include <iostream>
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#include "sim/syscall_emul.hh"
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#include "base/trace.hh"
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#include "cpu/exec_context.hh"
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2005-06-05 02:50:10 +02:00
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#include "cpu/base.hh"
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2003-12-02 04:34:38 +01:00
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#include "sim/process.hh"
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#include "sim/sim_events.hh"
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using namespace std;
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Changes to untemplate StaticInst and StaticInstPtr, change the isa to a namespace instead of a class, an improvement to the architecture specific header file selection system, and fixed up a few include paths.
arch/alpha/alpha_linux_process.cc:
Added using directive for AlphaISA namespace
arch/alpha/alpha_memory.hh:
arch/alpha/isa/branch.isa:
cpu/pc_event.hh:
Added typedefs for Addr
arch/alpha/alpha_tru64_process.cc:
arch/alpha/arguments.cc:
Added using directive for AlphaISA
arch/alpha/ev5.hh:
Added an include of arch/alpha/isa_traits.hh, and a using directive for the AlphaISA namespace.
arch/alpha/faults.hh:
Added a typedef for the Addr type, and changed the formatting of the faults slightly.
arch/alpha/isa/main.isa:
Untemplatized StaticInst, added a using for namespace AlphaISA to show up in decoder.cc and the exec.ccs, relocated makeNop to decoder.hh
arch/alpha/isa/mem.isa:
Untemplatized StaticInst and StaticInstPtr
arch/alpha/isa/pal.isa:
cpu/base_dyn_inst.cc:
Untemplatized StaticInstPtr
arch/alpha/isa_traits.hh:
Changed variables to be externs instead of static since they are part of a namespace and not a class.
arch/alpha/stacktrace.cc:
Untemplatized StaticInstPtr, and added a using directive for AlphaISA.
arch/alpha/stacktrace.hh:
Added some typedefs for Addr and MachInst, and untemplatized StaticInstPtr
arch/alpha/vtophys.cc:
Added a using directive for AlphaISA
arch/alpha/vtophys.hh:
Added the AlphaISA namespace specifier where needed
arch/isa_parser.py:
Changed the placement of the definition of the decodeInst function to be outside the namespaceInst namespace.
base/loader/object_file.hh:
cpu/o3/bpred_unit.hh:
Added a typedef for Addr
base/loader/symtab.hh:
Added a typedef for Addr, and added a TheISA to Addr in another typedef
base/remote_gdb.cc:
Added a using namespace TheISA, and untemplatized StaticInstPtr
base/remote_gdb.hh:
Added typedefs for Addr and MachInst
cpu/base.cc:
Added TheISA specifier to some variables exported from the isa.
cpu/base.hh:
Added a typedef for Addr, and TheISA to some variables from the ISA
cpu/base_dyn_inst.hh:
Untemplatized StaticInstPtr, and added TheISA specifier to some variables from the ISA.
cpu/exec_context.hh:
Added some typedefs for types from the isa, and added TheISA specifier to some variables from the isa
cpu/exetrace.hh:
Added typedefs for some types from the ISA, and untemplatized StaticInstPtr
cpu/memtest/memtest.cc:
cpu/o3/btb.cc:
dev/baddev.cc:
dev/ide_ctrl.cc:
dev/ide_disk.cc:
dev/isa_fake.cc:
dev/ns_gige.cc:
dev/pciconfigall.cc:
dev/platform.cc:
dev/sinic.cc:
dev/uart8250.cc:
kern/freebsd/freebsd_system.cc:
kern/linux/linux_system.cc:
kern/system_events.cc:
kern/tru64/dump_mbuf.cc:
kern/tru64/tru64_events.cc:
sim/process.cc:
sim/pseudo_inst.cc:
sim/system.cc:
Added using namespace TheISA
cpu/memtest/memtest.hh:
cpu/trace/opt_cpu.hh:
cpu/trace/reader/itx_reader.hh:
dev/ide_disk.hh:
dev/pcidev.hh:
dev/platform.hh:
dev/tsunami.hh:
sim/system.hh:
sim/vptr.hh:
Added typedef for Addr
cpu/o3/2bit_local_pred.hh:
Changed the include to use arch/isa_traits.hh instead of arch/alpha/isa_traits.hh. Added typedef for Addr
cpu/o3/alpha_cpu.hh:
Added typedefs for Addr and IntReg
cpu/o3/alpha_cpu_impl.hh:
Added this-> to setNextPC to fix a problem since it didn't depend on template parameters any more. Removed "typename" where it was no longer needed.
cpu/o3/alpha_dyn_inst.hh:
Cleaned up some typedefs, and untemplatized StaticInst
cpu/o3/alpha_dyn_inst_impl.hh:
untemplatized StaticInstPtr
cpu/o3/alpha_impl.hh:
Fixed up a typedef of MachInst
cpu/o3/bpred_unit_impl.hh:
Added a using TheISA::MachInst to a function
cpu/o3/btb.hh:
Changed an include from arch/alpha/isa_traits.hh to arch/isa_traits.hh, and added a typedef for Addr
cpu/o3/commit.hh:
Removed a typedef of Impl::ISA as ISA, since TheISA takes care of this now.
cpu/o3/cpu.cc:
Cleaned up namespace issues
cpu/o3/cpu.hh:
Cleaned up namespace usage
cpu/o3/decode.hh:
Removed typedef of ISA, and changed it to TheISA
cpu/o3/fetch.hh:
Fized up typedefs, and changed ISA to TheISA
cpu/o3/free_list.hh:
Changed include of arch/alpha/isa_traits.hh to arch/isa_traits.hh
cpu/o3/iew.hh:
Removed typedef of ISA
cpu/o3/iew_impl.hh:
Added TheISA namespace specifier to MachInst
cpu/o3/ras.hh:
Changed include from arch/alpha/isa_traits.hh to arch/isa_traits.hh, and added a typedef for Addr.
cpu/o3/regfile.hh:
Changed ISA to TheISA, and added some typedefs for Addr, IntReg, FloatReg, and MiscRegFile
cpu/o3/rename.hh:
Changed ISA to TheISA, and added a typedef for RegIndex
cpu/o3/rename_map.hh:
Added an include for arch/isa_traits.hh, and a typedef for RegIndex
cpu/o3/rob.hh:
Added a typedef for RegIndex
cpu/o3/store_set.hh:
cpu/o3/tournament_pred.hh:
Changed an include of arch/alpha/isa_traits.hh to arch/isa_traits.hh, and added a typedef of Addr
cpu/ozone/cpu.hh:
Changed ISA into TheISA, and untemplatized StaticInst
cpu/pc_event.cc:
Added namespace specifier TheISA to Addr types
cpu/profile.hh:
kern/kernel_stats.hh:
Added typedef for Addr, and untemplatized StaticInstPtr
cpu/simple/cpu.cc:
Changed using directive from LittleEndianGuest to AlphaISA, which will contain both namespaces. Added TheISA where needed, and untemplatized StaticInst
cpu/simple/cpu.hh:
Added a typedef for MachInst, and untemplatized StaticInst
cpu/static_inst.cc:
Untemplatized StaticInst
cpu/static_inst.hh:
Untemplatized StaticInst by using the TheISA namespace
dev/alpha_console.cc:
Added using namespace AlphaISA
dev/simple_disk.hh:
Added typedef for Addr and fixed up some formatting
dev/sinicreg.hh:
Added TheISA namespace specifier where needed
dev/tsunami.cc:
dev/tsunami_io.cc:
dev/tsunami_pchip.cc:
Added using namespace TheISA. It might be better for it to be AlphaISA
dev/tsunami_cchip.cc:
Added typedef for TheISA. It might be better for it to be AlphaISA
kern/linux/aligned.hh:
sim/pseudo_inst.hh:
Added TheISA namespace specifier to Addr
kern/linux/linux_threadinfo.hh:
Added typedef for Addr, and TheISA namespace specifier to StackPointerReg
kern/tru64/mbuf.hh:
Added TheISA to Addr type in structs
sim/process.hh:
Added typedefs of Addr, RegFile, and MachInst
sim/syscall_emul.cc:
Added using namespace TheISA, and a cast of VMPageSize to the int type
sim/syscall_emul.hh:
Added typecast for Addr, and TheISA namespace specifier for where needed
--HG--
extra : convert_revision : 91d4f6ca33a73b21c1f1771d74bfdea3b80eff45
2006-02-19 08:34:37 +01:00
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using namespace TheISA;
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2003-12-02 04:34:38 +01:00
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void
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SyscallDesc::doSyscall(int callnum, Process *process, ExecContext *xc)
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{
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DPRINTFR(SyscallVerbose, "%s: syscall %s called\n",
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2006-03-04 21:18:40 +01:00
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xc->getCpuPtr()->name(), name);
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2003-12-02 04:34:38 +01:00
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2005-03-09 21:52:10 +01:00
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SyscallReturn retval = (*funcPtr)(this, callnum, process, xc);
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2003-12-02 04:34:38 +01:00
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DPRINTFR(SyscallVerbose, "%s: syscall %s returns %d\n",
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2006-03-04 21:18:40 +01:00
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xc->getCpuPtr()->name(), name, retval.value());
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2003-12-02 04:34:38 +01:00
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2005-03-09 21:52:10 +01:00
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if (!(flags & SyscallDesc::SuppressReturnValue))
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2003-12-02 04:34:38 +01:00
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xc->setSyscallReturn(retval);
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}
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2005-03-09 21:52:10 +01:00
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SyscallReturn
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2003-12-02 04:34:38 +01:00
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unimplementedFunc(SyscallDesc *desc, int callnum, Process *process,
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ExecContext *xc)
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{
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2005-11-11 03:05:31 +01:00
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fatal("syscall %s (#%d) unimplemented.", desc->name, callnum);
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2003-12-02 04:34:38 +01:00
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}
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2005-03-09 21:52:10 +01:00
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SyscallReturn
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2003-12-02 04:34:38 +01:00
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ignoreFunc(SyscallDesc *desc, int callnum, Process *process,
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ExecContext *xc)
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{
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2005-11-11 03:05:31 +01:00
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warn("ignoring syscall %s(%d, %d, ...)", desc->name,
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xc->getSyscallArg(0), xc->getSyscallArg(1));
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2003-12-02 04:34:38 +01:00
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2005-03-10 20:20:12 +01:00
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return 0;
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2003-12-02 04:34:38 +01:00
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}
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2005-03-09 21:52:10 +01:00
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SyscallReturn
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2003-12-02 04:34:38 +01:00
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exitFunc(SyscallDesc *desc, int callnum, Process *process,
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ExecContext *xc)
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{
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new SimExitEvent("syscall caused exit", xc->getSyscallArg(0) & 0xff);
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2005-03-10 20:20:12 +01:00
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return 1;
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2003-12-02 04:34:38 +01:00
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}
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2005-03-09 21:52:10 +01:00
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SyscallReturn
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2003-12-02 04:34:38 +01:00
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getpagesizeFunc(SyscallDesc *desc, int num, Process *p, ExecContext *xc)
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{
|
Changes to untemplate StaticInst and StaticInstPtr, change the isa to a namespace instead of a class, an improvement to the architecture specific header file selection system, and fixed up a few include paths.
arch/alpha/alpha_linux_process.cc:
Added using directive for AlphaISA namespace
arch/alpha/alpha_memory.hh:
arch/alpha/isa/branch.isa:
cpu/pc_event.hh:
Added typedefs for Addr
arch/alpha/alpha_tru64_process.cc:
arch/alpha/arguments.cc:
Added using directive for AlphaISA
arch/alpha/ev5.hh:
Added an include of arch/alpha/isa_traits.hh, and a using directive for the AlphaISA namespace.
arch/alpha/faults.hh:
Added a typedef for the Addr type, and changed the formatting of the faults slightly.
arch/alpha/isa/main.isa:
Untemplatized StaticInst, added a using for namespace AlphaISA to show up in decoder.cc and the exec.ccs, relocated makeNop to decoder.hh
arch/alpha/isa/mem.isa:
Untemplatized StaticInst and StaticInstPtr
arch/alpha/isa/pal.isa:
cpu/base_dyn_inst.cc:
Untemplatized StaticInstPtr
arch/alpha/isa_traits.hh:
Changed variables to be externs instead of static since they are part of a namespace and not a class.
arch/alpha/stacktrace.cc:
Untemplatized StaticInstPtr, and added a using directive for AlphaISA.
arch/alpha/stacktrace.hh:
Added some typedefs for Addr and MachInst, and untemplatized StaticInstPtr
arch/alpha/vtophys.cc:
Added a using directive for AlphaISA
arch/alpha/vtophys.hh:
Added the AlphaISA namespace specifier where needed
arch/isa_parser.py:
Changed the placement of the definition of the decodeInst function to be outside the namespaceInst namespace.
base/loader/object_file.hh:
cpu/o3/bpred_unit.hh:
Added a typedef for Addr
base/loader/symtab.hh:
Added a typedef for Addr, and added a TheISA to Addr in another typedef
base/remote_gdb.cc:
Added a using namespace TheISA, and untemplatized StaticInstPtr
base/remote_gdb.hh:
Added typedefs for Addr and MachInst
cpu/base.cc:
Added TheISA specifier to some variables exported from the isa.
cpu/base.hh:
Added a typedef for Addr, and TheISA to some variables from the ISA
cpu/base_dyn_inst.hh:
Untemplatized StaticInstPtr, and added TheISA specifier to some variables from the ISA.
cpu/exec_context.hh:
Added some typedefs for types from the isa, and added TheISA specifier to some variables from the isa
cpu/exetrace.hh:
Added typedefs for some types from the ISA, and untemplatized StaticInstPtr
cpu/memtest/memtest.cc:
cpu/o3/btb.cc:
dev/baddev.cc:
dev/ide_ctrl.cc:
dev/ide_disk.cc:
dev/isa_fake.cc:
dev/ns_gige.cc:
dev/pciconfigall.cc:
dev/platform.cc:
dev/sinic.cc:
dev/uart8250.cc:
kern/freebsd/freebsd_system.cc:
kern/linux/linux_system.cc:
kern/system_events.cc:
kern/tru64/dump_mbuf.cc:
kern/tru64/tru64_events.cc:
sim/process.cc:
sim/pseudo_inst.cc:
sim/system.cc:
Added using namespace TheISA
cpu/memtest/memtest.hh:
cpu/trace/opt_cpu.hh:
cpu/trace/reader/itx_reader.hh:
dev/ide_disk.hh:
dev/pcidev.hh:
dev/platform.hh:
dev/tsunami.hh:
sim/system.hh:
sim/vptr.hh:
Added typedef for Addr
cpu/o3/2bit_local_pred.hh:
Changed the include to use arch/isa_traits.hh instead of arch/alpha/isa_traits.hh. Added typedef for Addr
cpu/o3/alpha_cpu.hh:
Added typedefs for Addr and IntReg
cpu/o3/alpha_cpu_impl.hh:
Added this-> to setNextPC to fix a problem since it didn't depend on template parameters any more. Removed "typename" where it was no longer needed.
cpu/o3/alpha_dyn_inst.hh:
Cleaned up some typedefs, and untemplatized StaticInst
cpu/o3/alpha_dyn_inst_impl.hh:
untemplatized StaticInstPtr
cpu/o3/alpha_impl.hh:
Fixed up a typedef of MachInst
cpu/o3/bpred_unit_impl.hh:
Added a using TheISA::MachInst to a function
cpu/o3/btb.hh:
Changed an include from arch/alpha/isa_traits.hh to arch/isa_traits.hh, and added a typedef for Addr
cpu/o3/commit.hh:
Removed a typedef of Impl::ISA as ISA, since TheISA takes care of this now.
cpu/o3/cpu.cc:
Cleaned up namespace issues
cpu/o3/cpu.hh:
Cleaned up namespace usage
cpu/o3/decode.hh:
Removed typedef of ISA, and changed it to TheISA
cpu/o3/fetch.hh:
Fized up typedefs, and changed ISA to TheISA
cpu/o3/free_list.hh:
Changed include of arch/alpha/isa_traits.hh to arch/isa_traits.hh
cpu/o3/iew.hh:
Removed typedef of ISA
cpu/o3/iew_impl.hh:
Added TheISA namespace specifier to MachInst
cpu/o3/ras.hh:
Changed include from arch/alpha/isa_traits.hh to arch/isa_traits.hh, and added a typedef for Addr.
cpu/o3/regfile.hh:
Changed ISA to TheISA, and added some typedefs for Addr, IntReg, FloatReg, and MiscRegFile
cpu/o3/rename.hh:
Changed ISA to TheISA, and added a typedef for RegIndex
cpu/o3/rename_map.hh:
Added an include for arch/isa_traits.hh, and a typedef for RegIndex
cpu/o3/rob.hh:
Added a typedef for RegIndex
cpu/o3/store_set.hh:
cpu/o3/tournament_pred.hh:
Changed an include of arch/alpha/isa_traits.hh to arch/isa_traits.hh, and added a typedef of Addr
cpu/ozone/cpu.hh:
Changed ISA into TheISA, and untemplatized StaticInst
cpu/pc_event.cc:
Added namespace specifier TheISA to Addr types
cpu/profile.hh:
kern/kernel_stats.hh:
Added typedef for Addr, and untemplatized StaticInstPtr
cpu/simple/cpu.cc:
Changed using directive from LittleEndianGuest to AlphaISA, which will contain both namespaces. Added TheISA where needed, and untemplatized StaticInst
cpu/simple/cpu.hh:
Added a typedef for MachInst, and untemplatized StaticInst
cpu/static_inst.cc:
Untemplatized StaticInst
cpu/static_inst.hh:
Untemplatized StaticInst by using the TheISA namespace
dev/alpha_console.cc:
Added using namespace AlphaISA
dev/simple_disk.hh:
Added typedef for Addr and fixed up some formatting
dev/sinicreg.hh:
Added TheISA namespace specifier where needed
dev/tsunami.cc:
dev/tsunami_io.cc:
dev/tsunami_pchip.cc:
Added using namespace TheISA. It might be better for it to be AlphaISA
dev/tsunami_cchip.cc:
Added typedef for TheISA. It might be better for it to be AlphaISA
kern/linux/aligned.hh:
sim/pseudo_inst.hh:
Added TheISA namespace specifier to Addr
kern/linux/linux_threadinfo.hh:
Added typedef for Addr, and TheISA namespace specifier to StackPointerReg
kern/tru64/mbuf.hh:
Added TheISA to Addr type in structs
sim/process.hh:
Added typedefs of Addr, RegFile, and MachInst
sim/syscall_emul.cc:
Added using namespace TheISA, and a cast of VMPageSize to the int type
sim/syscall_emul.hh:
Added typecast for Addr, and TheISA namespace specifier for where needed
--HG--
extra : convert_revision : 91d4f6ca33a73b21c1f1771d74bfdea3b80eff45
2006-02-19 08:34:37 +01:00
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return (int)VMPageSize;
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2003-12-02 04:34:38 +01:00
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}
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2005-03-09 21:52:10 +01:00
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SyscallReturn
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2003-12-02 04:34:38 +01:00
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obreakFunc(SyscallDesc *desc, int num, Process *p, ExecContext *xc)
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{
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// change brk addr to first arg
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2004-02-11 06:43:57 +01:00
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Addr new_brk = xc->getSyscallArg(0);
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if (new_brk != 0)
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2005-03-09 21:52:10 +01:00
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{
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2004-02-11 06:43:57 +01:00
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p->brk_point = xc->getSyscallArg(0);
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2005-03-09 21:52:10 +01:00
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}
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2005-03-10 20:20:12 +01:00
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DPRINTF(SyscallVerbose, "Break Point changed to: %#X\n", p->brk_point);
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return p->brk_point;
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2003-12-02 04:34:38 +01:00
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}
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2005-03-09 21:52:10 +01:00
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SyscallReturn
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2003-12-02 04:34:38 +01:00
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closeFunc(SyscallDesc *desc, int num, Process *p, ExecContext *xc)
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{
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2005-11-11 03:08:33 +01:00
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int target_fd = xc->getSyscallArg(0);
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int status = close(p->sim_fd(target_fd));
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if (status >= 0)
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p->free_fd(target_fd);
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return status;
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2003-12-02 04:34:38 +01:00
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}
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2005-03-09 21:52:10 +01:00
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SyscallReturn
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2003-12-02 04:34:38 +01:00
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readFunc(SyscallDesc *desc, int num, Process *p, ExecContext *xc)
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{
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int fd = p->sim_fd(xc->getSyscallArg(0));
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int nbytes = xc->getSyscallArg(2);
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BufferArg bufArg(xc->getSyscallArg(1), nbytes);
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|
|
|
|
|
int bytes_read = read(fd, bufArg.bufferPtr(), nbytes);
|
|
|
|
|
|
|
|
if (bytes_read != -1)
|
2006-03-04 21:18:40 +01:00
|
|
|
bufArg.copyOut(xc->getMemPtr());
|
2003-12-02 04:34:38 +01:00
|
|
|
|
2005-03-10 20:20:12 +01:00
|
|
|
return bytes_read;
|
2003-12-02 04:34:38 +01:00
|
|
|
}
|
|
|
|
|
2005-03-09 21:52:10 +01:00
|
|
|
SyscallReturn
|
2003-12-02 04:34:38 +01:00
|
|
|
writeFunc(SyscallDesc *desc, int num, Process *p, ExecContext *xc)
|
|
|
|
{
|
|
|
|
int fd = p->sim_fd(xc->getSyscallArg(0));
|
|
|
|
int nbytes = xc->getSyscallArg(2);
|
|
|
|
BufferArg bufArg(xc->getSyscallArg(1), nbytes);
|
|
|
|
|
2006-03-04 21:18:40 +01:00
|
|
|
bufArg.copyIn(xc->getMemPtr());
|
2003-12-02 04:34:38 +01:00
|
|
|
|
|
|
|
int bytes_written = write(fd, bufArg.bufferPtr(), nbytes);
|
|
|
|
|
|
|
|
fsync(fd);
|
|
|
|
|
2005-03-10 20:20:12 +01:00
|
|
|
return bytes_written;
|
2003-12-02 04:34:38 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2005-03-09 21:52:10 +01:00
|
|
|
SyscallReturn
|
2003-12-02 04:34:38 +01:00
|
|
|
lseekFunc(SyscallDesc *desc, int num, Process *p, ExecContext *xc)
|
|
|
|
{
|
|
|
|
int fd = p->sim_fd(xc->getSyscallArg(0));
|
|
|
|
uint64_t offs = xc->getSyscallArg(1);
|
|
|
|
int whence = xc->getSyscallArg(2);
|
|
|
|
|
|
|
|
off_t result = lseek(fd, offs, whence);
|
|
|
|
|
2005-03-10 20:20:12 +01:00
|
|
|
return (result == (off_t)-1) ? -errno : result;
|
2003-12-02 04:34:38 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2005-03-09 21:52:10 +01:00
|
|
|
SyscallReturn
|
2003-12-02 04:34:38 +01:00
|
|
|
munmapFunc(SyscallDesc *desc, int num, Process *p, ExecContext *xc)
|
|
|
|
{
|
|
|
|
// given that we don't really implement mmap, munmap is really easy
|
2005-03-10 20:20:12 +01:00
|
|
|
return 0;
|
2003-12-02 04:34:38 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
const char *hostname = "m5.eecs.umich.edu";
|
|
|
|
|
2005-03-09 21:52:10 +01:00
|
|
|
SyscallReturn
|
2003-12-02 04:34:38 +01:00
|
|
|
gethostnameFunc(SyscallDesc *desc, int num, Process *p, ExecContext *xc)
|
|
|
|
{
|
|
|
|
int name_len = xc->getSyscallArg(1);
|
|
|
|
BufferArg name(xc->getSyscallArg(0), name_len);
|
|
|
|
|
|
|
|
strncpy((char *)name.bufferPtr(), hostname, name_len);
|
|
|
|
|
2006-03-04 21:18:40 +01:00
|
|
|
name.copyOut(xc->getMemPtr());
|
2003-12-02 04:34:38 +01:00
|
|
|
|
2005-03-10 20:20:12 +01:00
|
|
|
return 0;
|
2003-12-02 04:34:38 +01:00
|
|
|
}
|
|
|
|
|
2005-03-09 21:52:10 +01:00
|
|
|
SyscallReturn
|
2004-02-05 18:16:17 +01:00
|
|
|
unlinkFunc(SyscallDesc *desc, int num, Process *p, ExecContext *xc)
|
|
|
|
{
|
2005-06-03 22:19:34 +02:00
|
|
|
string path;
|
2004-02-05 18:16:17 +01:00
|
|
|
|
2006-03-04 21:18:40 +01:00
|
|
|
if (xc->getMemPtr()->readString(path, xc->getSyscallArg(0)) != NoFault)
|
2005-03-09 21:52:10 +01:00
|
|
|
return (TheISA::IntReg)-EFAULT;
|
2004-02-05 18:16:17 +01:00
|
|
|
|
|
|
|
int result = unlink(path.c_str());
|
2005-03-10 20:20:12 +01:00
|
|
|
return (result == -1) ? -errno : result;
|
2004-02-05 18:16:17 +01:00
|
|
|
}
|
|
|
|
|
2005-03-09 21:52:10 +01:00
|
|
|
SyscallReturn
|
2004-02-05 18:16:17 +01:00
|
|
|
renameFunc(SyscallDesc *desc, int num, Process *p, ExecContext *xc)
|
|
|
|
{
|
2005-06-03 22:19:34 +02:00
|
|
|
string old_name;
|
2004-02-05 18:16:17 +01:00
|
|
|
|
2006-03-04 21:18:40 +01:00
|
|
|
if (xc->getMemPtr()->readString(old_name, xc->getSyscallArg(0)) != NoFault)
|
2005-03-10 20:20:12 +01:00
|
|
|
return -EFAULT;
|
2004-02-05 18:16:17 +01:00
|
|
|
|
2005-06-03 22:19:34 +02:00
|
|
|
string new_name;
|
2004-02-05 18:16:17 +01:00
|
|
|
|
2006-03-04 21:18:40 +01:00
|
|
|
if (xc->getMemPtr()->readString(new_name, xc->getSyscallArg(1)) != NoFault)
|
2005-03-10 20:20:12 +01:00
|
|
|
return -EFAULT;
|
2004-02-05 18:16:17 +01:00
|
|
|
|
2005-06-03 22:19:34 +02:00
|
|
|
int64_t result = rename(old_name.c_str(), new_name.c_str());
|
2005-03-10 20:20:12 +01:00
|
|
|
return (result == -1) ? -errno : result;
|
2004-02-05 18:16:17 +01:00
|
|
|
}
|
2003-12-02 04:34:38 +01:00
|
|
|
|
2005-06-03 22:19:34 +02:00
|
|
|
SyscallReturn
|
|
|
|
truncateFunc(SyscallDesc *desc, int num, Process *p, ExecContext *xc)
|
|
|
|
{
|
|
|
|
string path;
|
|
|
|
|
2006-03-04 21:18:40 +01:00
|
|
|
if (xc->getMemPtr()->readString(path, xc->getSyscallArg(0)) != NoFault)
|
2005-06-03 22:19:34 +02:00
|
|
|
return -EFAULT;
|
|
|
|
|
|
|
|
off_t length = xc->getSyscallArg(1);
|
|
|
|
|
|
|
|
int result = truncate(path.c_str(), length);
|
|
|
|
return (result == -1) ? -errno : result;
|
|
|
|
}
|
|
|
|
|
|
|
|
SyscallReturn
|
|
|
|
ftruncateFunc(SyscallDesc *desc, int num, Process *process, ExecContext *xc)
|
|
|
|
{
|
|
|
|
int fd = process->sim_fd(xc->getSyscallArg(0));
|
|
|
|
|
|
|
|
if (fd < 0)
|
|
|
|
return -EBADF;
|
|
|
|
|
|
|
|
off_t length = xc->getSyscallArg(1);
|
|
|
|
|
|
|
|
int result = ftruncate(fd, length);
|
|
|
|
return (result == -1) ? -errno : result;
|
|
|
|
}
|
2005-11-22 18:08:08 +01:00
|
|
|
|
|
|
|
SyscallReturn
|
|
|
|
chownFunc(SyscallDesc *desc, int num, Process *p, ExecContext *xc)
|
|
|
|
{
|
|
|
|
string path;
|
|
|
|
|
2006-03-04 21:18:40 +01:00
|
|
|
if (xc->getMemPtr()->readString(path, xc->getSyscallArg(0)) != NoFault)
|
2005-11-22 18:08:08 +01:00
|
|
|
return -EFAULT;
|
|
|
|
|
|
|
|
/* XXX endianess */
|
|
|
|
uint32_t owner = xc->getSyscallArg(1);
|
|
|
|
uid_t hostOwner = owner;
|
|
|
|
uint32_t group = xc->getSyscallArg(2);
|
|
|
|
gid_t hostGroup = group;
|
|
|
|
|
|
|
|
int result = chown(path.c_str(), hostOwner, hostGroup);
|
|
|
|
return (result == -1) ? -errno : result;
|
|
|
|
}
|
|
|
|
|
|
|
|
SyscallReturn
|
|
|
|
fchownFunc(SyscallDesc *desc, int num, Process *process, ExecContext *xc)
|
|
|
|
{
|
|
|
|
int fd = process->sim_fd(xc->getSyscallArg(0));
|
|
|
|
|
|
|
|
if (fd < 0)
|
|
|
|
return -EBADF;
|
|
|
|
|
|
|
|
/* XXX endianess */
|
|
|
|
uint32_t owner = xc->getSyscallArg(1);
|
|
|
|
uid_t hostOwner = owner;
|
|
|
|
uint32_t group = xc->getSyscallArg(2);
|
|
|
|
gid_t hostGroup = group;
|
|
|
|
|
|
|
|
int result = fchown(fd, hostOwner, hostGroup);
|
|
|
|
return (result == -1) ? -errno : result;
|
|
|
|
}
|
2006-02-19 05:44:22 +01:00
|
|
|
|
|
|
|
|
|
|
|
SyscallReturn
|
|
|
|
fcntlFunc(SyscallDesc *desc, int num, Process *process,
|
|
|
|
ExecContext *xc)
|
|
|
|
{
|
|
|
|
int fd = xc->getSyscallArg(0);
|
|
|
|
|
|
|
|
if (fd < 0 || process->sim_fd(fd) < 0)
|
|
|
|
return -EBADF;
|
|
|
|
|
|
|
|
int cmd = xc->getSyscallArg(1);
|
|
|
|
switch (cmd) {
|
|
|
|
case 0: // F_DUPFD
|
|
|
|
// if we really wanted to support this, we'd need to do it
|
|
|
|
// in the target fd space.
|
|
|
|
warn("fcntl(%d, F_DUPFD) not supported, error returned\n", fd);
|
|
|
|
return -EMFILE;
|
|
|
|
|
|
|
|
case 1: // F_GETFD (get close-on-exec flag)
|
|
|
|
case 2: // F_SETFD (set close-on-exec flag)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
case 3: // F_GETFL (get file flags)
|
|
|
|
case 4: // F_SETFL (set file flags)
|
|
|
|
// not sure if this is totally valid, but we'll pass it through
|
|
|
|
// to the underlying OS
|
|
|
|
warn("fcntl(%d, %d) passed through to host\n", fd, cmd);
|
|
|
|
return fcntl(process->sim_fd(fd), cmd);
|
|
|
|
// return 0;
|
|
|
|
|
|
|
|
case 7: // F_GETLK (get lock)
|
|
|
|
case 8: // F_SETLK (set lock)
|
|
|
|
case 9: // F_SETLKW (set lock and wait)
|
|
|
|
// don't mess with file locking... just act like it's OK
|
|
|
|
warn("File lock call (fcntl(%d, %d)) ignored.\n", fd, cmd);
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
default:
|
|
|
|
warn("Unknown fcntl command %d\n", cmd);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|