diff options
Diffstat (limited to 'src/arch/mips')
| -rw-r--r-- | src/arch/mips/SConscript | 73 | ||||
| -rw-r--r-- | src/arch/mips/SConsopts | 33 | ||||
| -rw-r--r-- | src/arch/mips/faults.cc | 26 | ||||
| -rw-r--r-- | src/arch/mips/faults.hh | 24 | ||||
| -rw-r--r-- | src/arch/mips/utility.hh | 5 |
5 files changed, 60 insertions, 101 deletions
diff --git a/src/arch/mips/SConscript b/src/arch/mips/SConscript index 8353bcde7..f959951b3 100644 --- a/src/arch/mips/SConscript +++ b/src/arch/mips/SConscript @@ -30,54 +30,25 @@ # Steve Reinhardt # Korey Sewell -import os -import sys -from os.path import isdir - -# Import build environment variable from SConstruct. -Import('env') - -################################################### -# -# Define needed sources. -# -################################################### - -# Base sources used by all configurations. -base_sources = Split(''' - faults.cc - isa_traits.cc - utility.cc - ''') - -# Full-system sources -full_system_sources = Split(''' - #Insert Full-System Files Here - ''') - -# Syscall emulation (non-full-system) sources -syscall_emulation_sources = Split(''' - linux/linux.cc - linux/process.cc - process.cc - ''') - -# Set up complete list of sources based on configuration. -sources = base_sources - -if env['FULL_SYSTEM']: - sources += full_system_sources -else: - sources += syscall_emulation_sources - -# Convert file names to SCons File objects. This takes care of the -# path relative to the top of the directory tree. -sources = [File(s) for s in sources] - -# Add in files generated by the ISA description. -isa_desc_files = env.ISADesc('isa/main.isa') -# Only non-header files need to be compiled. -isa_desc_sources = [f for f in isa_desc_files if not f.path.endswith('.hh')] -sources += isa_desc_sources - -Return('sources') +Import('*') + +if env['TARGET_ISA'] == 'mips': + Source('faults.cc') + Source('isa_traits.cc') + Source('utility.cc') + + if env['FULL_SYSTEM']: + #Insert Full-System Files Here + pass + else: + Source('process.cc') + + Source('linux/linux.cc') + Source('linux/process.cc') + + # Add in files generated by the ISA description. + isa_desc_files = env.ISADesc('isa/main.isa') + # Only non-header files need to be compiled. + for f in isa_desc_files: + if not f.path.endswith('.hh'): + Source(f) diff --git a/src/arch/mips/SConsopts b/src/arch/mips/SConsopts new file mode 100644 index 000000000..744fc9cca --- /dev/null +++ b/src/arch/mips/SConsopts @@ -0,0 +1,33 @@ +# -*- mode:python -*- + +# Copyright (c) 2006 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: Nathan Binkert + +Import('*') + +all_isa_list.append('mips') diff --git a/src/arch/mips/faults.cc b/src/arch/mips/faults.cc index 2a8ab1df5..c9e6aa75b 100644 --- a/src/arch/mips/faults.cc +++ b/src/arch/mips/faults.cc @@ -58,12 +58,6 @@ FaultName ArithmeticFault::_name = "arith"; FaultVect ArithmeticFault::_vect = 0x0501; FaultStat ArithmeticFault::_count; -#if !FULL_SYSTEM -FaultName PageTableFault::_name = "page_table_fault"; -FaultVect PageTableFault::_vect = 0x0000; -FaultStat PageTableFault::_count; -#endif - FaultName InterruptFault::_name = "interrupt"; FaultVect InterruptFault::_vect = 0x0101; FaultStat InterruptFault::_count; @@ -112,25 +106,5 @@ FaultName IntegerOverflowFault::_name = "intover"; FaultVect IntegerOverflowFault::_vect = 0x0501; FaultStat IntegerOverflowFault::_count; -void PageTableFault::invoke(ThreadContext *tc) -{ - Process *p = tc->getProcessPtr(); - - // address is higher than the stack region or in the current stack region - if (vaddr > p->stack_base || vaddr > p->stack_min) - FaultBase::invoke(tc); - - // We've accessed the next page - if (vaddr > p->stack_min - PageBytes) { - p->stack_min -= PageBytes; - if (p->stack_base - p->stack_min > 8*1024*1024) - fatal("Over max stack size for one thread\n"); - p->pTable->allocate(p->stack_min, PageBytes); - warn("Increasing stack size by one page."); - } else { - FaultBase::invoke(tc); - } -} - } // namespace MipsISA diff --git a/src/arch/mips/faults.hh b/src/arch/mips/faults.hh index 9d2c5df32..86c742413 100644 --- a/src/arch/mips/faults.hh +++ b/src/arch/mips/faults.hh @@ -80,30 +80,6 @@ class AlignmentFault : public MipsFault bool isAlignmentFault() {return true;} }; -#if !FULL_SYSTEM -class PageTableFault : public MipsFault -{ - private: - Addr vaddr; - static FaultName _name; - static FaultVect _vect; - static FaultStat _count; - public: - PageTableFault(Addr va) - : vaddr(va) {} - FaultName name() {return _name;} - FaultVect vect() {return _vect;} - FaultStat & countStat() {return _count;} - void invoke(ThreadContext * tc); -}; - -static inline Fault genPageTableFault(Addr va) -{ - return new PageTableFault(va); -} -#endif - - static inline Fault genMachineCheckFault() { return new MachineCheckFault; diff --git a/src/arch/mips/utility.hh b/src/arch/mips/utility.hh index 609f4b071..12db1de57 100644 --- a/src/arch/mips/utility.hh +++ b/src/arch/mips/utility.hh @@ -87,6 +87,11 @@ namespace MipsISA { panic("makeRegisterCopy not implemented"); return 0; } + + inline void startupCPU(ThreadContext *tc, int cpuId) + { + tc->activate(0); + } }; |