diff options
Diffstat (limited to 'src/arch')
| -rw-r--r-- | src/arch/alpha/kernel_stats.cc | 10 | ||||
| -rw-r--r-- | src/arch/alpha/linux/aligned.hh | 50 | ||||
| -rw-r--r-- | src/arch/alpha/linux/hwrpb.hh | 42 | ||||
| -rw-r--r-- | src/arch/alpha/linux/thread_info.hh | 44 | ||||
| -rw-r--r-- | src/arch/alpha/linux/threadinfo.hh | 112 |
5 files changed, 94 insertions, 164 deletions
diff --git a/src/arch/alpha/kernel_stats.cc b/src/arch/alpha/kernel_stats.cc index 13dc95af7..a004d5f25 100644 --- a/src/arch/alpha/kernel_stats.cc +++ b/src/arch/alpha/kernel_stats.cc @@ -33,6 +33,7 @@ #include <stack> #include <string> +#include "arch/alpha/linux/threadinfo.hh" #include "arch/alpha/kernel_stats.hh" #include "arch/alpha/osfpal.hh" #include "base/trace.hh" @@ -137,8 +138,9 @@ Statistics::changeMode(cpu_mode newmode, ThreadContext *tc) if (newmode == themode) return; - DPRINTF(Context, "old mode=%-8s new mode=%-8s\n", - modestr[themode], modestr[newmode]); + DPRINTF(Context, "old mode=%s new mode=%s pid=%d\n", + modestr[themode], modestr[newmode], + Linux::ThreadInfo(tc).curTaskPID()); _modeGood[newmode]++; _modeTicks[themode] += curTick - lastModeTick; @@ -165,6 +167,10 @@ Statistics::context(Addr oldpcbb, Addr newpcbb, ThreadContext *tc) _swap_context++; changeMode(newpcbb == idleProcess ? idle : kernel, tc); + + DPRINTF(Context, "Context Switch old pid=%d new pid=%d\n", + Linux::ThreadInfo(tc, oldpcbb).curTaskPID(), + Linux::ThreadInfo(tc, newpcbb).curTaskPID()); } void diff --git a/src/arch/alpha/linux/aligned.hh b/src/arch/alpha/linux/aligned.hh deleted file mode 100644 index c4687e348..000000000 --- a/src/arch/alpha/linux/aligned.hh +++ /dev/null @@ -1,50 +0,0 @@ -/* - * 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_ALPHA_LINUX_ALIGNED_HH__ -#define __ARCH_ALPHA_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_ALPHA_LINUX_ALIGNED_HH__ */ diff --git a/src/arch/alpha/linux/hwrpb.hh b/src/arch/alpha/linux/hwrpb.hh deleted file mode 100644 index 869ce026b..000000000 --- a/src/arch/alpha/linux/hwrpb.hh +++ /dev/null @@ -1,42 +0,0 @@ -/* - * 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_ALPHA_LINUX_HWRPB_HH__ -#define __ARCH_ALPHA_LINUX_HWRPB_HH__ - -#include "arch/alpha/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_ALPHA_LINUX_HWRPB_HH__ diff --git a/src/arch/alpha/linux/thread_info.hh b/src/arch/alpha/linux/thread_info.hh deleted file mode 100644 index 78257da56..000000000 --- a/src/arch/alpha/linux/thread_info.hh +++ /dev/null @@ -1,44 +0,0 @@ -/* - * Copyright (c) 2005 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_ALPHA_LINUX_THREAD_INFO_H__ -#define __ARCH_ALPHA_LINUX_THREAD_INFO_H__ - -#include "arch/alpha/linux/hwrpb.hh" - -namespace Linux { - struct thread_info { - struct pcb_struct pcb; - Addr_a task; - }; -} - -#endif // __ARCH_ALPHA_LINUX_THREAD_INFO_H__ diff --git a/src/arch/alpha/linux/threadinfo.hh b/src/arch/alpha/linux/threadinfo.hh index b9ffe02ae..b0c8284be 100644 --- a/src/arch/alpha/linux/threadinfo.hh +++ b/src/arch/alpha/linux/threadinfo.hh @@ -32,9 +32,8 @@ #ifndef __ARCH_ALPHA_LINUX_LINUX_TREADNIFO_HH__ #define __ARCH_ALPHA_LINUX_LINUX_TREADNIFO_HH__ -#include "arch/alpha/linux/thread_info.hh" #include "cpu/thread_context.hh" -#include "kern/linux/sched.hh" +#include "sim/system.hh" #include "sim/vptr.hh" namespace Linux { @@ -43,47 +42,108 @@ 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) : tc(_tc) {} - ~ThreadInfo() {} + ThreadInfo(ThreadContext *_tc, Addr _pcbb = 0) + : tc(_tc), sys(tc->getSystemPtr()), pcbb(_pcbb) + { - inline VPtr<thread_info> + } + ~ThreadInfo() + {} + + inline Addr curThreadInfo() { - Addr current; - - /* Each kernel stack is only 2 pages, the start of which is the - * thread_info struct. So we can get the address by masking off - * the lower 14 bits. - */ - current = tc->readIntReg(TheISA::StackPointerReg) & ~ULL(0x3fff); - return VPtr<thread_info>(tc, current); + Addr addr = pcbb; + Addr sp; + + if (!addr) + addr = tc->readMiscRegNoEffect(TheISA::IPR_PALtemp23); + + FunctionalPort *p = tc->getPhysPort(); + p->readBlob(addr, (uint8_t *)&sp, sizeof(Addr)); + + return sp & ~ULL(0x3fff); } - inline VPtr<task_struct> - curTaskInfo() + inline Addr + curTaskInfo(Addr thread_info = 0) { - Addr task = curThreadInfo()->task; - return VPtr<task_struct>(tc, task); + 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; } - std::string - curTaskName() + int32_t + curTaskPID(Addr thread_info = 0) { - return curTaskInfo()->name; + 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; } - int32_t - curTaskPID() + int64_t + curTaskStart(Addr thread_info = 0) { - return curTaskInfo()->pid; + 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; } - uint64_t - curTaskStart() + std::string + curTaskName(Addr thread_info = 0) { - return curTaskInfo()->start; + 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; } }; |