diff options
Diffstat (limited to 'src/arch/mips/linux')
| -rw-r--r-- | src/arch/mips/linux/aligned.hh | 50 | ||||
| -rw-r--r-- | src/arch/mips/linux/hwrpb.hh | 42 | ||||
| -rw-r--r-- | src/arch/mips/linux/linux.cc | 55 | ||||
| -rw-r--r-- | src/arch/mips/linux/linux.hh | 54 | ||||
| -rw-r--r-- | src/arch/mips/linux/process.cc | 55 | ||||
| -rw-r--r-- | src/arch/mips/linux/process.hh | 56 | ||||
| -rw-r--r-- | src/arch/mips/linux/system.cc | 205 | ||||
| -rw-r--r-- | src/arch/mips/linux/system.hh | 146 | ||||
| -rw-r--r-- | src/arch/mips/linux/thread_info.hh | 51 | ||||
| -rw-r--r-- | src/arch/mips/linux/threadinfo.hh | 160 |
10 files changed, 779 insertions, 95 deletions
diff --git a/src/arch/mips/linux/aligned.hh b/src/arch/mips/linux/aligned.hh new file mode 100644 index 000000000..7a4f2d05e --- /dev/null +++ b/src/arch/mips/linux/aligned.hh @@ -0,0 +1,50 @@ +/* + * Copyright (c) 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: Ali Saidi + * Nathan Binkert + */ + +#ifndef __ARCH_MIPS_LINUX_ALIGNED_HH__ +#define __ARCH_MIPS_LINUX_ALIGNED_HH__ + + +/* GCC 3.3.X has a bug in which attributes+typedefs don't work. 3.2.X is fine + * as in 3.4.X, but the bug is marked will not fix in 3.3.X so here is + * the work around. + */ +#if (__GNUC__ == 3 && __GNUC_MINOR__ != 3) || __GNUC__ > 3 +typedef uint64_t uint64_ta __attribute__ ((aligned (8))) ; +typedef int64_t int64_ta __attribute__ ((aligned (8))) ; +typedef Addr Addr_a __attribute__ ((aligned (8))) ; +#else +#define uint64_ta uint64_t __attribute__ ((aligned (8))) +#define int64_ta int64_t __attribute__ ((aligned (8))) +#define Addr_a Addr __attribute__ ((aligned (8))) +#endif /* __GNUC__ __GNUC_MINOR__ */ + +#endif /* __ARCH_MIPS_LINUX_ALIGNED_HH__ */ diff --git a/src/arch/mips/linux/hwrpb.hh b/src/arch/mips/linux/hwrpb.hh new file mode 100644 index 000000000..305ad290c --- /dev/null +++ b/src/arch/mips/linux/hwrpb.hh @@ -0,0 +1,42 @@ +/* + * Copyright 1990 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef __ARCH_MIPS_LINUX_HWRPB_HH__ +#define __ARCH_MIPS_LINUX_HWRPB_HH__ + +#include "arch/mips/linux/aligned.hh" + +namespace Linux { + struct pcb_struct { + uint64_ta rpb_ksp; + uint64_ta rpb_usp; + uint64_ta rpb_ptbr; + uint32_t rpb_cc; + uint32_t rpb_psn; + uint64_ta rpb_unique; + uint64_ta rpb_fen; + uint64_ta res1, res2; + }; +} +#endif // __ARCH_MIPS_LINUX_HWRPB_HH__ diff --git a/src/arch/mips/linux/linux.cc b/src/arch/mips/linux/linux.cc index 4499107d7..d52915c5b 100644 --- a/src/arch/mips/linux/linux.cc +++ b/src/arch/mips/linux/linux.cc @@ -1,31 +1,38 @@ /* - * Copyright (c) 2006 The Regents of The University of Michigan - * All rights reserved. + * Copyright .AN) 2007 MIPS Technologies, Inc. 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 part of the M5 simulator. * - * 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. + * THIS IS A LEGAL AGREEMENT. BY DOWNLOADING, USING, COPYING, CREATING + * DERIVATIVE WORKS, AND/OR DISTRIBUTING THIS SOFTWARE YOU ARE AGREEING + * TO THESE TERMS AND CONDITIONS. + * + * Permission is granted to use, copy, create derivative works and + * distribute this software and such derivative works for any purpose, + * so long as (1) the copyright notice above, this grant of permission, + * and the disclaimer below appear in all copies and derivative works + * made, (2) the copyright notice above is augmented as appropriate to + * reflect the addition of any new copyrightable work in a derivative + * work (e.g., Copyright .AN) <Publication Year> Copyright Owner), and (3) + * the name of MIPS Technologies, Inc. ($B!H(BMIPS$B!I(B) is not used in any + * advertising or publicity pertaining to the use or distribution of + * this software without specific, written prior authorization. + * + * THIS SOFTWARE IS PROVIDED $B!H(BAS IS.$B!I(B MIPS MAKES NO WARRANTIES AND + * DISCLAIMS ALL WARRANTIES, WHETHER EXPRESS, STATUTORY, IMPLIED OR + * OTHERWISE, INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND + * NON-INFRINGEMENT OF THIRD PARTY RIGHTS, REGARDING THIS SOFTWARE. + * IN NO EVENT SHALL MIPS BE LIABLE FOR ANY DAMAGES, INCLUDING DIRECT, + * INDIRECT, INCIDENTAL, CONSEQUENTIAL, SPECIAL, OR PUNITIVE DAMAGES OF + * ANY KIND OR NATURE, ARISING OUT OF OR IN CONNECTION WITH THIS AGREEMENT, + * THIS SOFTWARE AND/OR THE USE OF THIS SOFTWARE, WHETHER SUCH LIABILITY + * IS ASSERTED ON THE BASIS OF CONTRACT, TORT (INCLUDING NEGLIGENCE OR + * STRICT LIABILITY), OR OTHERWISE, EVEN IF MIPS HAS BEEN WARNED OF THE + * POSSIBILITY OF ANY SUCH LOSS OR DAMAGE IN ADVANCE. + * + * Authors: Korey L. Sewell * - * Authors: Korey Sewell */ #include "arch/mips/linux/linux.hh" diff --git a/src/arch/mips/linux/linux.hh b/src/arch/mips/linux/linux.hh index fcfaa18ea..c9db9c076 100644 --- a/src/arch/mips/linux/linux.hh +++ b/src/arch/mips/linux/linux.hh @@ -1,31 +1,37 @@ /* - * Copyright (c) 2006 The Regents of The University of Michigan - * All rights reserved. + * Copyright .AN) 2007 MIPS Technologies, Inc. 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 part of the M5 simulator. * - * 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. + * THIS IS A LEGAL AGREEMENT. BY DOWNLOADING, USING, COPYING, CREATING + * DERIVATIVE WORKS, AND/OR DISTRIBUTING THIS SOFTWARE YOU ARE AGREEING + * TO THESE TERMS AND CONDITIONS. * - * Authors: Korey Sewell + * Permission is granted to use, copy, create derivative works and + * distribute this software and such derivative works for any purpose, + * so long as (1) the copyright notice above, this grant of permission, + * and the disclaimer below appear in all copies and derivative works + * made, (2) the copyright notice above is augmented as appropriate to + * reflect the addition of any new copyrightable work in a derivative + * work (e.g., Copyright .AN) <Publication Year> Copyright Owner), and (3) + * the name of MIPS Technologies, Inc. ($B!H(BMIPS$B!I(B) is not used in any + * advertising or publicity pertaining to the use or distribution of + * this software without specific, written prior authorization. + * + * THIS SOFTWARE IS PROVIDED $B!H(BAS IS.$B!I(B MIPS MAKES NO WARRANTIES AND + * DISCLAIMS ALL WARRANTIES, WHETHER EXPRESS, STATUTORY, IMPLIED OR + * OTHERWISE, INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND + * NON-INFRINGEMENT OF THIRD PARTY RIGHTS, REGARDING THIS SOFTWARE. + * IN NO EVENT SHALL MIPS BE LIABLE FOR ANY DAMAGES, INCLUDING DIRECT, + * INDIRECT, INCIDENTAL, CONSEQUENTIAL, SPECIAL, OR PUNITIVE DAMAGES OF + * ANY KIND OR NATURE, ARISING OUT OF OR IN CONNECTION WITH THIS AGREEMENT, + * THIS SOFTWARE AND/OR THE USE OF THIS SOFTWARE, WHETHER SUCH LIABILITY + * IS ASSERTED ON THE BASIS OF CONTRACT, TORT (INCLUDING NEGLIGENCE OR + * STRICT LIABILITY), OR OTHERWISE, EVEN IF MIPS HAS BEEN WARNED OF THE + * POSSIBILITY OF ANY SUCH LOSS OR DAMAGE IN ADVANCE. + * + * Authors: Korey L. Sewell */ #ifndef __ARCH_MIPS_LINUX_LINUX_HH__ diff --git a/src/arch/mips/linux/process.cc b/src/arch/mips/linux/process.cc index 425ef9ac3..3d0447b20 100644 --- a/src/arch/mips/linux/process.cc +++ b/src/arch/mips/linux/process.cc @@ -1,31 +1,38 @@ /* - * Copyright (c) 2003-2005 The Regents of The University of Michigan - * All rights reserved. + * Copyright N) 2007 MIPS Technologies, Inc. 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 part of the M5 simulator. * - * 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. + * THIS IS A LEGAL AGREEMENT. BY DOWNLOADING, USING, COPYING, CREATING + * DERIVATIVE WORKS, AND/OR DISTRIBUTING THIS SOFTWARE YOU ARE AGREEING + * TO THESE TERMS AND CONDITIONS. * - * Authors: Korey Sewell + * Permission is granted to use, copy, create derivative works and + * distribute this software and such derivative works for any purpose, + * so long as (1) the copyright notice above, this grant of permission, + * and the disclaimer below appear in all copies and derivative works + * made, (2) the copyright notice above is augmented as appropriate to + * reflect the addition of any new copyrightable work in a derivative + * work (e.g., Copyright N) <Publication Year> Copyright Owner), and (3) + * the name of MIPS Technologies, Inc. ($(B!H(BMIPS$(B!I(B) is not used in any + * advertising or publicity pertaining to the use or distribution of + * this software without specific, written prior authorization. + * + * THIS SOFTWARE IS PROVIDED $(B!H(BAS IS.$(B!I(B MIPS MAKES NO WARRANTIES AND + * DISCLAIMS ALL WARRANTIES, WHETHER EXPRESS, STATUTORY, IMPLIED OR + * OTHERWISE, INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND + * NON-INFRINGEMENT OF THIRD PARTY RIGHTS, REGARDING THIS SOFTWARE. + * IN NO EVENT SHALL MIPS BE LIABLE FOR ANY DAMAGES, INCLUDING DIRECT, + * INDIRECT, INCIDENTAL, CONSEQUENTIAL, SPECIAL, OR PUNITIVE DAMAGES OF + * ANY KIND OR NATURE, ARISING OUT OF OR IN CONNECTION WITH THIS AGREEMENT, + * THIS SOFTWARE AND/OR THE USE OF THIS SOFTWARE, WHETHER SUCH LIABILITY + * IS ASSERTED ON THE BASIS OF CONTRACT, TORT (INCLUDING NEGLIGENCE OR + * STRICT LIABILITY), OR OTHERWISE, EVEN IF MIPS HAS BEEN WARNED OF THE + * POSSIBILITY OF ANY SUCH LOSS OR DAMAGE IN ADVANCE. + * + * + * Authors: Korey L. Sewell */ #include "arch/mips/linux/linux.hh" diff --git a/src/arch/mips/linux/process.hh b/src/arch/mips/linux/process.hh index a1e738d61..9d5c178ad 100644 --- a/src/arch/mips/linux/process.hh +++ b/src/arch/mips/linux/process.hh @@ -1,29 +1,39 @@ /* - * Copyright (c) 2003-2004 The Regents of The University of Michigan - * All rights reserved. + * Copyright N) 2007 MIPS Technologies, Inc. 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 part of the M5 simulator. + * + * THIS IS A LEGAL AGREEMENT. BY DOWNLOADING, USING, COPYING, CREATING + * DERIVATIVE WORKS, AND/OR DISTRIBUTING THIS SOFTWARE YOU ARE AGREEING + * TO THESE TERMS AND CONDITIONS. + * + * Permission is granted to use, copy, create derivative works and + * distribute this software and such derivative works for any purpose, + * so long as (1) the copyright notice above, this grant of permission, + * and the disclaimer below appear in all copies and derivative works + * made, (2) the copyright notice above is augmented as appropriate to + * reflect the addition of any new copyrightable work in a derivative + * work (e.g., Copyright N) <Publication Year> Copyright Owner), and (3) + * the name of MIPS Technologies, Inc. ($(B!H(BMIPS$(B!I(B) is not used in any + * advertising or publicity pertaining to the use or distribution of + * this software without specific, written prior authorization. + * + * THIS SOFTWARE IS PROVIDED $(B!H(BAS IS.$(B!I(B MIPS MAKES NO WARRANTIES AND + * DISCLAIMS ALL WARRANTIES, WHETHER EXPRESS, STATUTORY, IMPLIED OR + * OTHERWISE, INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND + * NON-INFRINGEMENT OF THIRD PARTY RIGHTS, REGARDING THIS SOFTWARE. + * IN NO EVENT SHALL MIPS BE LIABLE FOR ANY DAMAGES, INCLUDING DIRECT, + * INDIRECT, INCIDENTAL, CONSEQUENTIAL, SPECIAL, OR PUNITIVE DAMAGES OF + * ANY KIND OR NATURE, ARISING OUT OF OR IN CONNECTION WITH THIS AGREEMENT, + * THIS SOFTWARE AND/OR THE USE OF THIS SOFTWARE, WHETHER SUCH LIABILITY + * IS ASSERTED ON THE BASIS OF CONTRACT, TORT (INCLUDING NEGLIGENCE OR + * STRICT LIABILITY), OR OTHERWISE, EVEN IF MIPS HAS BEEN WARNED OF THE + * POSSIBILITY OF ANY SUCH LOSS OR DAMAGE IN ADVANCE. + * + * Authors: Gabe Black + * Korey Sewell * - * 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. */ #ifndef __MIPS_LINUX_PROCESS_HH__ diff --git a/src/arch/mips/linux/system.cc b/src/arch/mips/linux/system.cc new file mode 100644 index 000000000..e1daa394b --- /dev/null +++ b/src/arch/mips/linux/system.cc @@ -0,0 +1,205 @@ +/* + * Copyright .AN) 2007 MIPS Technologies, Inc. All Rights Reserved + * + * This software is part of the M5 simulator. + * + * THIS IS A LEGAL AGREEMENT. BY DOWNLOADING, USING, COPYING, CREATING + * DERIVATIVE WORKS, AND/OR DISTRIBUTING THIS SOFTWARE YOU ARE AGREEING + * TO THESE TERMS AND CONDITIONS. + * + * Permission is granted to use, copy, create derivative works and + * distribute this software and such derivative works for any purpose, + * so long as (1) the copyright notice above, this grant of permission, + * and the disclaimer below appear in all copies and derivative works + * made, (2) the copyright notice above is augmented as appropriate to + * reflect the addition of any new copyrightable work in a derivative + * work (e.g., Copyright .AN) <Publication Year> Copyright Owner), and (3) + * the name of MIPS Technologies, Inc. ($B!H(BMIPS$B!I(B) is not used in any + * advertising or publicity pertaining to the use or distribution of + * this software without specific, written prior authorization. + * + * THIS SOFTWARE IS PROVIDED $B!H(BAS IS.$B!I(B MIPS MAKES NO WARRANTIES AND + * DISCLAIMS ALL WARRANTIES, WHETHER EXPRESS, STATUTORY, IMPLIED OR + * OTHERWISE, INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND + * NON-INFRINGEMENT OF THIRD PARTY RIGHTS, REGARDING THIS SOFTWARE. + * IN NO EVENT SHALL MIPS BE LIABLE FOR ANY DAMAGES, INCLUDING DIRECT, + * INDIRECT, INCIDENTAL, CONSEQUENTIAL, SPECIAL, OR PUNITIVE DAMAGES OF + * ANY KIND OR NATURE, ARISING OUT OF OR IN CONNECTION WITH THIS AGREEMENT, + * THIS SOFTWARE AND/OR THE USE OF THIS SOFTWARE, WHETHER SUCH LIABILITY + * IS ASSERTED ON THE BASIS OF CONTRACT, TORT (INCLUDING NEGLIGENCE OR + * STRICT LIABILITY), OR OTHERWISE, EVEN IF MIPS HAS BEEN WARNED OF THE + * POSSIBILITY OF ANY SUCH LOSS OR DAMAGE IN ADVANCE. + * + * + * Authors: Ali G. Saidi + * Lisa R. Hsu + * Nathan L. Binkert + * Steven K. Reinhardt + */ + +/** + * @file + * This code loads the linux kernel, console, pal and patches certain + * functions. The symbol tables are loaded so that traces can show + * the executing function and we can skip functions. Various delay + * loops are skipped and their final values manually computed to speed + * up boot time. + */ + +#include "arch/vtophys.hh" +#include "arch/mips/idle_event.hh" +#include "arch/mips/linux/system.hh" +#include "arch/mips/linux/threadinfo.hh" +#include "arch/mips/system.hh" +#include "base/loader/symtab.hh" +#include "cpu/thread_context.hh" +#include "cpu/base.hh" +#include "dev/platform.hh" +#include "kern/linux/printk.hh" +#include "kern/linux/events.hh" +#include "mem/physical.hh" +#include "mem/port.hh" +#include "sim/arguments.hh" +#include "sim/byteswap.hh" + +using namespace std; +using namespace MipsISA; +using namespace Linux; + +LinuxMipsSystem::LinuxMipsSystem(Params *p) + : MipsSystem(p) +{ + Addr addr = 0; + + /** + * The symbol swapper_pg_dir marks the beginning of the kernel and + * the location of bootloader passed arguments + */ + if (!kernelSymtab->findAddress("swapper_pg_dir", KernelStart)) { + panic("Could not determine start location of kernel"); + } + + /** + * Since we aren't using a bootloader, we have to copy the + * kernel arguments directly into the kernel's memory. + */ + virtPort.writeBlob(CommandLine(), (uint8_t*)params()->boot_osflags.c_str(), + params()->boot_osflags.length()+1); + + /** + * find the address of the est_cycle_freq variable and insert it + * so we don't through the lengthly process of trying to + * calculated it by using the PIT, RTC, etc. + */ + if (kernelSymtab->findAddress("est_cycle_freq", addr)) + virtPort.write(addr, (uint64_t)(Clock::Frequency / + p->boot_cpu_frequency)); + + + /** + * EV5 only supports 127 ASNs so we are going to tell the kernel that the + * paritiuclar EV6 we have only supports 127 asns. + * @todo At some point we should change ev5.hh and the palcode to support + * 255 ASNs. + */ + if (kernelSymtab->findAddress("dp264_mv", addr)) + virtPort.write(addr + 0x18, LittleEndianGuest::htog((uint32_t)127)); + else + panic("could not find dp264_mv\n"); + +#ifndef NDEBUG + kernelPanicEvent = addKernelFuncEvent<BreakPCEvent>("panic"); + if (!kernelPanicEvent) + panic("could not find kernel symbol \'panic\'"); + +#if 0 + kernelDieEvent = addKernelFuncEvent<BreakPCEvent>("die_if_kernel"); + if (!kernelDieEvent) + panic("could not find kernel symbol \'die_if_kernel\'"); +#endif + +#endif + + /** + * Any time ide_delay_50ms, calibarte_delay or + * determine_cpu_caches is called just skip the + * function. Currently determine_cpu_caches only is used put + * information in proc, however if that changes in the future we + * will have to fill in the cache size variables appropriately. + */ + + skipIdeDelay50msEvent = + addKernelFuncEvent<SkipFuncEvent>("ide_delay_50ms"); + skipDelayLoopEvent = + addKernelFuncEvent<SkipDelayLoopEvent>("calibrate_delay"); + skipCacheProbeEvent = + addKernelFuncEvent<SkipFuncEvent>("determine_cpu_caches"); + debugPrintkEvent = addKernelFuncEvent<DebugPrintkEvent>("dprintk"); + idleStartEvent = addKernelFuncEvent<IdleStartEvent>("cpu_idle"); + + // Disable for now as it runs into panic() calls in VPTr methods + // (see sim/vptr.hh). Once those bugs are fixed, we can + // re-enable, but we should find a better way to turn it on than + // using DTRACE(Thread), since looking at a trace flag at tick 0 + // leads to non-intuitive behavior with --trace-start. + if (false && kernelSymtab->findAddress("mips_switch_to", addr)) { + printThreadEvent = new PrintThreadInfo(&pcEventQueue, "threadinfo", + addr + sizeof(MachInst) * 6); + } else { + printThreadEvent = NULL; + } +} + +LinuxMipsSystem::~LinuxMipsSystem() +{ +#ifndef NDEBUG + delete kernelPanicEvent; +#endif + delete skipIdeDelay50msEvent; + delete skipDelayLoopEvent; + delete skipCacheProbeEvent; + delete debugPrintkEvent; + delete idleStartEvent; + delete printThreadEvent; +} + + +void +LinuxMipsSystem::setDelayLoop(ThreadContext *tc) +{ + Addr addr = 0; + if (kernelSymtab->findAddress("loops_per_jiffy", addr)) { + Tick cpuFreq = tc->getCpuPtr()->frequency(); + Tick intrFreq = platform->intrFrequency(); + VirtualPort *vp; + + vp = tc->getVirtPort(); + vp->writeHtoG(addr, (uint32_t)((cpuFreq / intrFreq) * 0.9988)); + tc->delVirtPort(vp); + } +} + + +void +LinuxMipsSystem::SkipDelayLoopEvent::process(ThreadContext *tc) +{ + SkipFuncEvent::process(tc); + // calculate and set loops_per_jiffy + ((LinuxMipsSystem *)tc->getSystemPtr())->setDelayLoop(tc); +} + +void +LinuxMipsSystem::PrintThreadInfo::process(ThreadContext *tc) +{ + Linux::ThreadInfo ti(tc); + + DPRINTF(Thread, "Currently Executing Thread %s, pid %d, started at: %d\n", + ti.curTaskName(), ti.curTaskPID(), ti.curTaskStart()); +} + +LinuxMipsSystem * +LinuxMipsSystemParams::create() +{ + return new LinuxMipsSystem(this); +} diff --git a/src/arch/mips/linux/system.hh b/src/arch/mips/linux/system.hh new file mode 100644 index 000000000..9577d7def --- /dev/null +++ b/src/arch/mips/linux/system.hh @@ -0,0 +1,146 @@ +/* + * Copyright .AN) 2007 MIPS Technologies, Inc. All Rights Reserved + * + * This software is part of the M5 simulator. + * + * THIS IS A LEGAL AGREEMENT. BY DOWNLOADING, USING, COPYING, CREATING + * DERIVATIVE WORKS, AND/OR DISTRIBUTING THIS SOFTWARE YOU ARE AGREEING + * TO THESE TERMS AND CONDITIONS. + * + * Permission is granted to use, copy, create derivative works and + * distribute this software and such derivative works for any purpose, + * so long as (1) the copyright notice above, this grant of permission, + * and the disclaimer below appear in all copies and derivative works + * made, (2) the copyright notice above is augmented as appropriate to + * reflect the addition of any new copyrightable work in a derivative + * work (e.g., Copyright .AN) <Publication Year> Copyright Owner), and (3) + * the name of MIPS Technologies, Inc. ($B!H(BMIPS$B!I(B) is not used in any + * advertising or publicity pertaining to the use or distribution of + * this software without specific, written prior authorization. + * + * THIS SOFTWARE IS PROVIDED $B!H(BAS IS.$B!I(B MIPS MAKES NO WARRANTIES AND + * DISCLAIMS ALL WARRANTIES, WHETHER EXPRESS, STATUTORY, IMPLIED OR + * OTHERWISE, INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND + * NON-INFRINGEMENT OF THIRD PARTY RIGHTS, REGARDING THIS SOFTWARE. + * IN NO EVENT SHALL MIPS BE LIABLE FOR ANY DAMAGES, INCLUDING DIRECT, + * INDIRECT, INCIDENTAL, CONSEQUENTIAL, SPECIAL, OR PUNITIVE DAMAGES OF + * ANY KIND OR NATURE, ARISING OUT OF OR IN CONNECTION WITH THIS AGREEMENT, + * THIS SOFTWARE AND/OR THE USE OF THIS SOFTWARE, WHETHER SUCH LIABILITY + * IS ASSERTED ON THE BASIS OF CONTRACT, TORT (INCLUDING NEGLIGENCE OR + * STRICT LIABILITY), OR OTHERWISE, EVEN IF MIPS HAS BEEN WARNED OF THE + * POSSIBILITY OF ANY SUCH LOSS OR DAMAGE IN ADVANCE. + * + * Authors: Ali G. Saidi + * Lisa R. Hsu + * Nathan L. Binkert + */ + +#ifndef __ARCH_MIPS_LINUX_SYSTEM_HH__ +#define __ARCH_MIPS_LINUX_SYSTEM_HH__ + +class ThreadContext; + +class BreakPCEvent; +class IdleStartEvent; + +#include "arch/mips/idle_event.hh" +#include "arch/mips/system.hh" +#include "kern/linux/events.hh" +#include "params/LinuxMipsSystem.hh" + +using namespace MipsISA; +using namespace Linux; + +/** + * This class contains linux specific system code (Loading, Events). + * It points to objects that are the system binaries to load and patches them + * appropriately to work in simulator. + */ +class LinuxMipsSystem : public MipsSystem +{ + private: + class SkipDelayLoopEvent : public SkipFuncEvent + { + public: + SkipDelayLoopEvent(PCEventQueue *q, const std::string &desc, Addr addr) + : SkipFuncEvent(q, desc, addr) {} + virtual void process(ThreadContext *tc); + }; + + class PrintThreadInfo : public PCEvent + { + public: + PrintThreadInfo(PCEventQueue *q, const std::string &desc, Addr addr) + : PCEvent(q, desc, addr) {} + virtual void process(ThreadContext *tc); + }; + + + /** + * Addresses defining where the kernel bootloader places various + * elements. Details found in include/asm-mips/system.h + */ + Addr KernelStart; // Lookup the symbol swapper_pg_dir + + public: + Addr InitStack() const { return KernelStart + 0x02000; } + Addr EmptyPGT() const { return KernelStart + 0x04000; } + Addr EmptyPGE() const { return KernelStart + 0x08000; } + Addr ZeroPGE() const { return KernelStart + 0x0A000; } + Addr StartAddr() const { return KernelStart + 0x10000; } + + Addr Param() const { return ZeroPGE() + 0x0; } + Addr CommandLine() const { return Param() + 0x0; } + Addr InitrdStart() const { return Param() + 0x100; } + Addr InitrdSize() const { return Param() + 0x108; } + static const int CommandLineSize = 256; + + private: +#ifndef NDEBUG + /** Event to halt the simulator if the kernel calls panic() */ + BreakPCEvent *kernelPanicEvent; + + /** Event to halt the simulator if the kernel calls die_if_kernel */ + BreakPCEvent *kernelDieEvent; +#endif + + /** + * Event to skip determine_cpu_caches() because we don't support + * the IPRs that the code can access to figure out cache sizes + */ + SkipFuncEvent *skipCacheProbeEvent; + + /** PC based event to skip the ide_delay_50ms() call */ + SkipFuncEvent *skipIdeDelay50msEvent; + + /** + * PC based event to skip the dprink() call and emulate its + * functionality + */ + DebugPrintkEvent *debugPrintkEvent; + + /** + * Skip calculate_delay_loop() rather than waiting for this to be + * calculated + */ + SkipDelayLoopEvent *skipDelayLoopEvent; + + /** + * Event to print information about thread switches if the trace flag + * Thread is set + */ + PrintThreadInfo *printThreadEvent; + + /** Grab the PCBB of the idle process when it starts */ + IdleStartEvent *idleStartEvent; + + public: + typedef LinuxMipsSystemParams Params; + LinuxMipsSystem(Params *p); + ~LinuxMipsSystem(); + + void setDelayLoop(ThreadContext *tc); +}; + +#endif // __ARCH_MIPS_LINUX_SYSTEM_HH__ diff --git a/src/arch/mips/linux/thread_info.hh b/src/arch/mips/linux/thread_info.hh new file mode 100644 index 000000000..98dc69c7f --- /dev/null +++ b/src/arch/mips/linux/thread_info.hh @@ -0,0 +1,51 @@ +/* + * Copyright .AN) 2007 MIPS Technologies, Inc. All Rights Reserved + * + * This software is part of the M5 simulator. + * + * THIS IS A LEGAL AGREEMENT. BY DOWNLOADING, USING, COPYING, CREATING + * DERIVATIVE WORKS, AND/OR DISTRIBUTING THIS SOFTWARE YOU ARE AGREEING + * TO THESE TERMS AND CONDITIONS. + * + * Permission is granted to use, copy, create derivative works and + * distribute this software and such derivative works for any purpose, + * so long as (1) the copyright notice above, this grant of permission, + * and the disclaimer below appear in all copies and derivative works + * made, (2) the copyright notice above is augmented as appropriate to + * reflect the addition of any new copyrightable work in a derivative + * work (e.g., Copyright .AN) <Publication Year> Copyright Owner), and (3) + * the name of MIPS Technologies, Inc. ($B!H(BMIPS$B!I(B) is not used in any + * advertising or publicity pertaining to the use or distribution of + * this software without specific, written prior authorization. + * + * THIS SOFTWARE IS PROVIDED $B!H(BAS IS.$B!I(B MIPS MAKES NO WARRANTIES AND + * DISCLAIMS ALL WARRANTIES, WHETHER EXPRESS, STATUTORY, IMPLIED OR + * OTHERWISE, INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND + * NON-INFRINGEMENT OF THIRD PARTY RIGHTS, REGARDING THIS SOFTWARE. + * IN NO EVENT SHALL MIPS BE LIABLE FOR ANY DAMAGES, INCLUDING DIRECT, + * INDIRECT, INCIDENTAL, CONSEQUENTIAL, SPECIAL, OR PUNITIVE DAMAGES OF + * ANY KIND OR NATURE, ARISING OUT OF OR IN CONNECTION WITH THIS AGREEMENT, + * THIS SOFTWARE AND/OR THE USE OF THIS SOFTWARE, WHETHER SUCH LIABILITY + * IS ASSERTED ON THE BASIS OF CONTRACT, TORT (INCLUDING NEGLIGENCE OR + * STRICT LIABILITY), OR OTHERWISE, EVEN IF MIPS HAS BEEN WARNED OF THE + * POSSIBILITY OF ANY SUCH LOSS OR DAMAGE IN ADVANCE. + * + * + * Authors: Ali G. Saidi + * Nathan L. Binkert + */ + +#ifndef __ARCH_MIPS_LINUX_THREAD_INFO_H__ +#define __ARCH_MIPS_LINUX_THREAD_INFO_H__ + +#include "arch/mips/linux/hwrpb.hh" + +namespace Linux { + struct thread_info { + struct pcb_struct pcb; + Addr_a task; + }; +} + +#endif // __ARCH_MIPS_LINUX_THREAD_INFO_H__ diff --git a/src/arch/mips/linux/threadinfo.hh b/src/arch/mips/linux/threadinfo.hh new file mode 100644 index 000000000..c5cb6b244 --- /dev/null +++ b/src/arch/mips/linux/threadinfo.hh @@ -0,0 +1,160 @@ +/* + * Copyright N) 2007 MIPS Technologies, Inc. All Rights Reserved + * + * This software is part of the M5 simulator. + * + * THIS IS A LEGAL AGREEMENT. BY DOWNLOADING, USING, COPYING, CREATING + * DERIVATIVE WORKS, AND/OR DISTRIBUTING THIS SOFTWARE YOU ARE AGREEING + * TO THESE TERMS AND CONDITIONS. + * + * Permission is granted to use, copy, create derivative works and + * distribute this software and such derivative works for any purpose, + * so long as (1) the copyright notice above, this grant of permission, + * and the disclaimer below appear in all copies and derivative works + * made, (2) the copyright notice above is augmented as appropriate to + * reflect the addition of any new copyrightable work in a derivative + * work (e.g., Copyright N) <Publication Year> Copyright Owner), and (3) + * the name of MIPS Technologies, Inc. ($(B!H(BMIPS$(B!I(B) is not used in any + * advertising or publicity pertaining to the use or distribution of + * this software without specific, written prior authorization. + * + * THIS SOFTWARE IS PROVIDED $(B!H(BAS IS.$(B!I(B MIPS MAKES NO WARRANTIES AND + * DISCLAIMS ALL WARRANTIES, WHETHER EXPRESS, STATUTORY, IMPLIED OR + * OTHERWISE, INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND + * NON-INFRINGEMENT OF THIRD PARTY RIGHTS, REGARDING THIS SOFTWARE. + * IN NO EVENT SHALL MIPS BE LIABLE FOR ANY DAMAGES, INCLUDING DIRECT, + * INDIRECT, INCIDENTAL, CONSEQUENTIAL, SPECIAL, OR PUNITIVE DAMAGES OF + * ANY KIND OR NATURE, ARISING OUT OF OR IN CONNECTION WITH THIS AGREEMENT, + * THIS SOFTWARE AND/OR THE USE OF THIS SOFTWARE, WHETHER SUCH LIABILITY + * IS ASSERTED ON THE BASIS OF CONTRACT, TORT (INCLUDING NEGLIGENCE OR + * STRICT LIABILITY), OR OTHERWISE, EVEN IF MIPS HAS BEEN WARNED OF THE + * POSSIBILITY OF ANY SUCH LOSS OR DAMAGE IN ADVANCE. + * + * Authors: Ali G. Saidi + * Nathan L. Binkert + */ + + +#ifndef __ARCH_MIPS_LINUX_LINUX_TREADNIFO_HH__ +#define __ARCH_MIPS_LINUX_LINUX_TREADNIFO_HH__ + +#include "cpu/thread_context.hh" +#include "sim/system.hh" +#include "sim/vptr.hh" + +namespace Linux { + +class ThreadInfo +{ + private: + ThreadContext *tc; + System *sys; + Addr pcbb; + + template <typename T> + bool + get_data(const char *symbol, T &data) + { + Addr addr = 0; + if (!sys->kernelSymtab->findAddress(symbol, addr)) + return false; + + CopyOut(tc, &data, addr, sizeof(T)); + + data = TheISA::gtoh(data); + + return true; + } + + public: + ThreadInfo(ThreadContext *_tc, Addr _pcbb = 0) + : tc(_tc), sys(tc->getSystemPtr()), pcbb(_pcbb) + { + + } + ~ThreadInfo() + {} + + inline Addr + curThreadInfo() + { + panic("curThreadInfo not implemented for MIPS"); + Addr addr = pcbb; + Addr sp; + + if (!addr) + addr = tc->readMiscRegNoEffect(0/*TheISA::IPR_PALtemp23*/); + + FunctionalPort *p = tc->getPhysPort(); + p->readBlob(addr, (uint8_t *)&sp, sizeof(Addr)); + + return sp & ~ULL(0x3fff); + } + + inline Addr + curTaskInfo(Addr thread_info = 0) + { + int32_t offset; + if (!get_data("thread_info_task", offset)) + return 0; + + if (!thread_info) + thread_info = curThreadInfo(); + + Addr addr; + CopyOut(tc, &addr, thread_info + offset, sizeof(addr)); + + return addr; + } + + int32_t + curTaskPID(Addr thread_info = 0) + { + Addr offset; + if (!get_data("task_struct_pid", offset)) + return -1; + + int32_t pid; + CopyOut(tc, &pid, curTaskInfo(thread_info) + offset, sizeof(pid)); + + return pid; + } + + int64_t + curTaskStart(Addr thread_info = 0) + { + Addr offset; + if (!get_data("task_struct_start_time", offset)) + return -1; + + int64_t data; + // start_time is actually of type timespec, but if we just + // grab the first long, we'll get the seconds out of it + CopyOut(tc, &data, curTaskInfo(thread_info) + offset, sizeof(data)); + + return data; + } + + std::string + curTaskName(Addr thread_info = 0) + { + int32_t offset; + int32_t size; + + if (!get_data("task_struct_comm", offset)) + return "FailureIn_curTaskName"; + + if (!get_data("task_struct_comm_size", size)) + return "FailureIn_curTaskName"; + + char buffer[size + 1]; + CopyStringOut(tc, buffer, curTaskInfo(thread_info) + offset, size); + + return buffer; + } +}; + +/* namespace Linux */ } + +#endif // __ARCH_MIPS_LINUX_LINUX_THREADINFO_HH__ |