// Machine dependent functions
//
void
- AlphaISA::initCPU(RegFile *regs, int cpuId)
+ AlphaISA::initCPU(ExecContext *xc, int cpuId)
{
- initIPRs(®s->miscRegs, cpuId);
+ initIPRs(xc, cpuId);
- // CPU comes up with PAL regs enabled
- swap_palshadow(regs, true);
- regs->intRegFile[16] = cpuId;
- regs->intRegFile[0] = cpuId;
+ xc->setIntReg(16, cpuId);
+ xc->setIntReg(0, cpuId);
- regs->pc = regs->miscRegs.readReg(IPR_PAL_BASE) + (new ResetFault)->vect();
- regs->npc = regs->pc + sizeof(MachInst);
- xc->setPC(xc->readMiscReg(IPR_PAL_BASE) + fault_addr(ResetFault));
++ xc->setPC(xc->readMiscReg(IPR_PAL_BASE) + (new ResetFault)->vect());
+ xc->setNextPC(xc->readPC() + sizeof(MachInst));
}
-////////////////////////////////////////////////////////////////////////
-//
-// alpha exceptions - value equals trap address, update with MD_FAULT_TYPE
-//
-const Addr
-AlphaISA::fault_addr(Fault fault)
-{
- //Check for the system wide faults
- if(fault == NoFault) return 0x0000;
- else if(fault == MachineCheckFault) return 0x0401;
- else if(fault == AlignmentFault) return 0x0301;
- //Deal with the alpha specific faults
- return ((AlphaFault*)fault)->vect;
-};
-
-const int AlphaISA::reg_redir[AlphaISA::NumIntRegs] = {
- /* 0 */ 0, 0, 0, 0, 0, 0, 0, 0,
- /* 8 */ 1, 1, 1, 1, 1, 1, 1, 0,
- /* 16 */ 0, 0, 0, 0, 0, 0, 0, 0,
- /* 24 */ 0, 1, 0, 0, 0, 0, 0, 0 };
-
////////////////////////////////////////////////////////////////////////
//
//
// Insure ISA semantics
// (no longer very clean due to the change in setIntReg() in the
// cpu model. Consider changing later.)
- cpu->xc->setIntReg(ZeroReg, 0);
- cpu->xc->setFloatRegDouble(ZeroReg, 0.0);
+ cpu->cpuXC->setIntReg(ZeroReg, 0);
+ cpu->cpuXC->setFloatRegDouble(ZeroReg, 0.0);
}
-void
-CPUExecContext::ev5_trap(Fault fault)
-{
- DPRINTF(Fault, "Fault %s at PC: %#x\n", fault->name, regs.pc);
- cpu->recordEvent(csprintf("Fault %s", fault->name));
-
- assert(!misspeculating());
- cpu->kernelStats->fault(fault);
-
- if (fault == ArithmeticFault)
- panic("Arithmetic traps are unimplemented!");
-
- // exception restart address
- if (fault != InterruptFault || !inPalMode())
- setMiscReg(AlphaISA::IPR_EXC_ADDR, regs.pc);
-
- if (fault == PalFault || fault == ArithmeticFault /* ||
- fault == InterruptFault && !inPalMode() */) {
- // traps... skip faulting instruction
- setMiscReg(AlphaISA::IPR_EXC_ADDR,
- readMiscReg(AlphaISA::IPR_EXC_ADDR) + 4);
- }
-
- if (!inPalMode())
- AlphaISA::swap_palshadow(®s, true);
-
- regs.pc = readMiscReg(AlphaISA::IPR_PAL_BASE) + AlphaISA::fault_addr(fault);
- regs.npc = regs.pc + sizeof(MachInst);
-}
-
-
-void
-AlphaISA::intr_post(RegFile *regs, Fault fault, Addr pc)
-{
- bool use_pc = (fault == NoFault);
-
- if (fault == ArithmeticFault)
- panic("arithmetic faults NYI...");
-
- // compute exception restart address
- if (use_pc || fault == PalFault || fault == ArithmeticFault) {
- // traps... skip faulting instruction
- regs->miscRegs.setReg(IPR_EXC_ADDR, regs->pc + 4);
- } else {
- // fault, post fault at excepting instruction
- regs->miscRegs.setReg(IPR_EXC_ADDR, regs->pc);
- }
-
- // jump to expection address (PAL PC bit set here as well...)
- if (!use_pc)
- regs->npc = regs->miscRegs.readReg(IPR_PAL_BASE) +
- fault_addr(fault);
- else
- regs->npc = regs->miscRegs.readReg(IPR_PAL_BASE) + pc;
-
- // that's it! (orders of magnitude less painful than x86)
-}
-
Fault
- ExecContext::hwrei()
+ CPUExecContext::hwrei()
{
if (!inPalMode())
- return UnimplementedOpcodeFault;
+ return new UnimplementedOpcodeFault;
setNextPC(readMiscReg(AlphaISA::IPR_EXC_ADDR));
if (!misspeculating()) {
- kernelStats->hwrei();
+ cpu->kernelStats->hwrei();
- if ((readMiscReg(AlphaISA::IPR_EXC_ADDR) & 1) == 0)
- AlphaISA::swap_palshadow(®s, false);
-
cpu->checkInterrupts = true;
}
--- /dev/null
- #include "sim/builder.hh"
+/*
+ * Copyright (c) 2004-2005 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.
+ */
+
+/**
+ * @file
+ * Modifications for the FreeBSD kernel.
+ * Based on kern/linux/linux_system.cc.
+ *
+ */
+
+#include "arch/alpha/system.hh"
+#include "arch/alpha/freebsd/system.hh"
+#include "base/loader/symtab.hh"
+#include "cpu/exec_context.hh"
+#include "mem/functional/memory_control.hh"
+#include "mem/functional/physical.hh"
- ppc_vaddr = (Addr)xc->regs.intRegFile[ArgumentReg1];
- timer_vaddr = (Addr)xc->regs.intRegFile[ArgumentReg2];
+#include "arch/isa_traits.hh"
++#include "sim/builder.hh"
+#include "sim/byteswap.hh"
+#include "arch/vtophys.hh"
+
+#define TIMER_FREQUENCY 1193180
+
+using namespace std;
+using namespace AlphaISA;
+
+FreebsdAlphaSystem::FreebsdAlphaSystem(Params *p)
+ : AlphaSystem(p)
+{
+ /**
+ * Any time DELAY is called just skip the function.
+ * Shouldn't we actually emulate the delay?
+ */
+ skipDelayEvent = addKernelFuncEvent<SkipFuncEvent>("DELAY");
+ skipCalibrateClocks =
+ addKernelFuncEvent<SkipCalibrateClocksEvent>("calibrate_clocks");
+}
+
+
+FreebsdAlphaSystem::~FreebsdAlphaSystem()
+{
+ delete skipDelayEvent;
+ delete skipCalibrateClocks;
+}
+
+
+void
+FreebsdAlphaSystem::doCalibrateClocks(ExecContext *xc)
+{
+ Addr ppc_vaddr = 0;
+ Addr timer_vaddr = 0;
+ Addr ppc_paddr = 0;
+ Addr timer_paddr = 0;
+
- ((FreebsdAlphaSystem *)xc->system)->doCalibrateClocks(xc);
++ ppc_vaddr = (Addr)xc->readIntReg(ArgumentReg1);
++ timer_vaddr = (Addr)xc->readIntReg(ArgumentReg2);
+
+ ppc_paddr = vtophys(physmem, ppc_vaddr);
+ timer_paddr = vtophys(physmem, timer_vaddr);
+
+ uint8_t *ppc = physmem->dma_addr(ppc_paddr, sizeof(uint32_t));
+ uint8_t *timer = physmem->dma_addr(timer_paddr, sizeof(uint32_t));
+
+ *(uint32_t *)ppc = htog((uint32_t)Clock::Frequency);
+ *(uint32_t *)timer = htog((uint32_t)TIMER_FREQUENCY);
+}
+
+
+void
+FreebsdAlphaSystem::SkipCalibrateClocksEvent::process(ExecContext *xc)
+{
+ SkipFuncEvent::process(xc);
++ ((FreebsdAlphaSystem *)xc->getSystemPtr())->doCalibrateClocks(xc);
+}
+
+
+BEGIN_DECLARE_SIM_OBJECT_PARAMS(FreebsdAlphaSystem)
+
+ Param<Tick> boot_cpu_frequency;
+ SimObjectParam<MemoryController *> memctrl;
+ SimObjectParam<PhysicalMemory *> physmem;
+
+ Param<string> kernel;
+ Param<string> console;
+ Param<string> pal;
+
+ Param<string> boot_osflags;
+ Param<string> readfile;
+ Param<unsigned int> init_param;
+
+ Param<uint64_t> system_type;
+ Param<uint64_t> system_rev;
+
+ Param<bool> bin;
+ VectorParam<string> binned_fns;
+ Param<bool> bin_int;
+
+END_DECLARE_SIM_OBJECT_PARAMS(FreebsdAlphaSystem)
+
+BEGIN_INIT_SIM_OBJECT_PARAMS(FreebsdAlphaSystem)
+
+ INIT_PARAM(boot_cpu_frequency, "Frequency of the boot CPU"),
+ INIT_PARAM(memctrl, "memory controller"),
+ INIT_PARAM(physmem, "phsyical memory"),
+ INIT_PARAM(kernel, "file that contains the kernel code"),
+ INIT_PARAM(console, "file that contains the console code"),
+ INIT_PARAM(pal, "file that contains palcode"),
+ INIT_PARAM_DFLT(boot_osflags, "flags to pass to the kernel during boot",
+ "a"),
+ INIT_PARAM_DFLT(readfile, "file to read startup script from", ""),
+ INIT_PARAM_DFLT(init_param, "numerical value to pass into simulator", 0),
+ INIT_PARAM_DFLT(system_type, "Type of system we are emulating", 34),
+ INIT_PARAM_DFLT(system_rev, "Revision of system we are emulating", 1<<10),
+ INIT_PARAM_DFLT(bin, "is this system to be binned", false),
+ INIT_PARAM(binned_fns, "functions to be broken down and binned"),
+ INIT_PARAM_DFLT(bin_int, "is interrupt code binned seperately?", true)
+
+END_INIT_SIM_OBJECT_PARAMS(FreebsdAlphaSystem)
+
+CREATE_SIM_OBJECT(FreebsdAlphaSystem)
+{
+ AlphaSystem::Params *p = new AlphaSystem::Params;
+ p->name = getInstanceName();
+ p->boot_cpu_frequency = boot_cpu_frequency;
+ p->memctrl = memctrl;
+ p->physmem = physmem;
+ p->kernel_path = kernel;
+ p->console_path = console;
+ p->palcode = pal;
+ p->boot_osflags = boot_osflags;
+ p->init_param = init_param;
+ p->readfile = readfile;
+ p->system_type = system_type;
+ p->system_rev = system_rev;
+ p->bin = bin;
+ p->binned_fns = binned_fns;
+ p->bin_int = bin_int;
+ return new FreebsdAlphaSystem(p);
+}
+
+REGISTER_SIM_OBJECT("FreebsdAlphaSystem", FreebsdAlphaSystem)
+
--- /dev/null
- Tick cpuFreq = xc->cpu->frequency();
+/*
+ * Copyright (c) 2004-2005 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.
+ */
+
+/**
+ * @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/arguments.hh"
+#include "arch/vtophys.hh"
+#include "arch/alpha/linux/system.hh"
+#include "arch/alpha/linux/threadinfo.hh"
+#include "arch/alpha/system.hh"
+#include "base/loader/symtab.hh"
+#include "cpu/exec_context.hh"
+#include "cpu/base.hh"
+#include "dev/platform.hh"
+#include "kern/linux/printk.hh"
+#include "kern/linux/events.hh"
+#include "mem/functional/memory_control.hh"
+#include "mem/functional/physical.hh"
+#include "sim/builder.hh"
+#include "sim/byteswap.hh"
+
+using namespace std;
+using namespace AlphaISA;
+using namespace Linux;
+
+LinuxAlphaSystem::LinuxAlphaSystem(Params *p)
+ : AlphaSystem(p)
+{
+ Addr addr = 0;
+ Addr paddr = 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.
+ */
+ paddr = vtophys(physmem, CommandLine());
+ char *commandline = (char *)physmem->dma_addr(paddr, sizeof(uint64_t));
+ if (commandline)
+ strncpy(commandline, params()->boot_osflags.c_str(), CommandLineSize);
+
+ /**
+ * 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)) {
+ paddr = vtophys(physmem, addr);
+ uint8_t *est_cycle_frequency =
+ physmem->dma_addr(paddr, sizeof(uint64_t));
+
+ if (est_cycle_frequency)
+ *(uint64_t *)est_cycle_frequency =
+ 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)) {
+ paddr = vtophys(physmem, addr);
+ char *dp264_mv = (char *)physmem->dma_addr(paddr, sizeof(uint64_t));
+
+ if (dp264_mv) {
+ *(uint32_t*)(dp264_mv+0x18) = LittleEndianGuest::htog((uint32_t)127);
+ } else
+ panic("could not translate dp264_mv addr\n");
+
+ } 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");
+
+ if (kernelSymtab->findAddress("alpha_switch_to", addr) && DTRACE(Thread)) {
+ printThreadEvent = new PrintThreadInfo(&pcEventQueue, "threadinfo",
+ addr + sizeof(MachInst) * 6);
+ } else {
+ printThreadEvent = NULL;
+ }
+
+ if (params()->bin_int) {
+ intStartEvent = addPalFuncEvent<InterruptStartEvent>("sys_int_21");
+ if (!intStartEvent)
+ panic("could not find symbol: sys_int_21\n");
+
+ intEndEvent = addPalFuncEvent<InterruptEndEvent>("rti_to_kern");
+ if (!intEndEvent)
+ panic("could not find symbol: rti_to_kern\n");
+
+ intEndEvent2 = addPalFuncEvent<InterruptEndEvent>("rti_to_user");
+ if (!intEndEvent2)
+ panic("could not find symbol: rti_to_user\n");
+
+ intEndEvent3 = addKernelFuncEvent<InterruptEndEvent>("do_softirq");
+ if (!intEndEvent3)
+ panic("could not find symbol: do_softirq\n");
+ }
+}
+
+LinuxAlphaSystem::~LinuxAlphaSystem()
+{
+#ifndef NDEBUG
+ delete kernelPanicEvent;
+#endif
+ delete skipIdeDelay50msEvent;
+ delete skipDelayLoopEvent;
+ delete skipCacheProbeEvent;
+ delete debugPrintkEvent;
+ delete idleStartEvent;
+ delete printThreadEvent;
+ delete intStartEvent;
+ delete intEndEvent;
+ delete intEndEvent2;
+}
+
+
+void
+LinuxAlphaSystem::setDelayLoop(ExecContext *xc)
+{
+ Addr addr = 0;
+ if (kernelSymtab->findAddress("loops_per_jiffy", addr)) {
+ Addr paddr = vtophys(physmem, addr);
+
+ uint8_t *loops_per_jiffy =
+ physmem->dma_addr(paddr, sizeof(uint32_t));
+
- ((LinuxAlphaSystem *)xc->system)->setDelayLoop(xc);
++ Tick cpuFreq = xc->getCpuPtr()->frequency();
+ Tick intrFreq = platform->intrFrequency();
+ *(uint32_t *)loops_per_jiffy =
+ (uint32_t)((cpuFreq / intrFreq) * 0.9988);
+ }
+}
+
+
+void
+LinuxAlphaSystem::SkipDelayLoopEvent::process(ExecContext *xc)
+{
+ SkipFuncEvent::process(xc);
+ // calculate and set loops_per_jiffy
++ ((LinuxAlphaSystem *)xc->getSystemPtr())->setDelayLoop(xc);
+}
+
+void
+LinuxAlphaSystem::PrintThreadInfo::process(ExecContext *xc)
+{
+ Linux::ThreadInfo ti(xc);
+
+ DPRINTF(Thread, "Currently Executing Thread %s, pid %d, started at: %d\n",
+ ti.curTaskName(), ti.curTaskPID(), ti.curTaskStart());
+}
+
+
+BEGIN_DECLARE_SIM_OBJECT_PARAMS(LinuxAlphaSystem)
+
+ Param<Tick> boot_cpu_frequency;
+ SimObjectParam<MemoryController *> memctrl;
+ SimObjectParam<PhysicalMemory *> physmem;
+
+ Param<string> kernel;
+ Param<string> console;
+ Param<string> pal;
+
+ Param<string> boot_osflags;
+ Param<string> readfile;
+ Param<unsigned int> init_param;
+
+ Param<uint64_t> system_type;
+ Param<uint64_t> system_rev;
+
+ Param<bool> bin;
+ VectorParam<string> binned_fns;
+ Param<bool> bin_int;
+
+END_DECLARE_SIM_OBJECT_PARAMS(LinuxAlphaSystem)
+
+BEGIN_INIT_SIM_OBJECT_PARAMS(LinuxAlphaSystem)
+
+ INIT_PARAM(boot_cpu_frequency, "Frequency of the boot CPU"),
+ INIT_PARAM(memctrl, "memory controller"),
+ INIT_PARAM(physmem, "phsyical memory"),
+ INIT_PARAM(kernel, "file that contains the kernel code"),
+ INIT_PARAM(console, "file that contains the console code"),
+ INIT_PARAM(pal, "file that contains palcode"),
+ INIT_PARAM_DFLT(boot_osflags, "flags to pass to the kernel during boot",
+ "a"),
+ INIT_PARAM_DFLT(readfile, "file to read startup script from", ""),
+ INIT_PARAM_DFLT(init_param, "numerical value to pass into simulator", 0),
+ INIT_PARAM_DFLT(system_type, "Type of system we are emulating", 34),
+ INIT_PARAM_DFLT(system_rev, "Revision of system we are emulating", 1<<10),
+ INIT_PARAM_DFLT(bin, "is this system to be binned", false),
+ INIT_PARAM(binned_fns, "functions to be broken down and binned"),
+ INIT_PARAM_DFLT(bin_int, "is interrupt code binned seperately?", true)
+
+END_INIT_SIM_OBJECT_PARAMS(LinuxAlphaSystem)
+
+CREATE_SIM_OBJECT(LinuxAlphaSystem)
+{
+ AlphaSystem::Params *p = new AlphaSystem::Params;
+ p->name = getInstanceName();
+ p->boot_cpu_frequency = boot_cpu_frequency;
+ p->memctrl = memctrl;
+ p->physmem = physmem;
+ p->kernel_path = kernel;
+ p->console_path = console;
+ p->palcode = pal;
+ p->boot_osflags = boot_osflags;
+ p->init_param = init_param;
+ p->readfile = readfile;
+ p->system_type = system_type;
+ p->system_rev = system_rev;
+ p->bin = bin;
+ p->binned_fns = binned_fns;
+ p->bin_int = bin_int;
+ return new LinuxAlphaSystem(p);
+}
+
+REGISTER_SIM_OBJECT("LinuxAlphaSystem", LinuxAlphaSystem)
+
--- /dev/null
- current = xc->regs.intRegFile[TheISA::StackPointerReg] & ~0x3fff;
+/*
+ * 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.
+ */
+
+#ifndef __ARCH_ALPHA_LINUX_LINUX_TREADNIFO_HH__
+#define __ARCH_ALPHA_LINUX_LINUX_TREADNIFO_HH__
+
+#include "arch/alpha/linux/thread_info.hh"
+#include "cpu/exec_context.hh"
+#include "kern/linux/sched.hh"
+#include "sim/vptr.hh"
+
+namespace Linux {
+
+class ThreadInfo
+{
+ private:
+ ExecContext *xc;
+
+ public:
+ ThreadInfo(ExecContext *exec) : xc(exec) {}
+ ~ThreadInfo() {}
+
+ inline VPtr<thread_info>
+ 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 = xc->readIntReg(TheISA::StackPointerReg) & ~0x3fff;
+ return VPtr<thread_info>(xc, current);
+ }
+
+ inline VPtr<task_struct>
+ curTaskInfo()
+ {
+ Addr task = curThreadInfo()->task;
+ return VPtr<task_struct>(xc, task);
+ }
+
+ std::string
+ curTaskName()
+ {
+ return curTaskInfo()->name;
+ }
+
+ int32_t
+ curTaskPID()
+ {
+ return curTaskInfo()->pid;
+ }
+
+ uint64_t
+ curTaskStart()
+ {
+ return curTaskInfo()->start;
+ }
+};
+
+/* namespace Linux */ }
+
+#endif // __ARCH_ALPHA_LINUX_LINUX_THREADINFO_HH__
--- /dev/null
- xc->regs.intRegFile[20] = sim_fds[1];
+/*
+ * Copyright (c) 2003-2005 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.
+ */
+
+#include "arch/alpha/common_syscall_emul.hh"
+#include "arch/alpha/linux_process.hh"
+#include "arch/alpha/isa_traits.hh"
+
+#include "base/trace.hh"
+#include "cpu/exec_context.hh"
+#include "kern/linux/linux.hh"
+#include "mem/functional/functional.hh"
+
+#include "sim/process.hh"
+#include "sim/syscall_emul.hh"
+
+using namespace std;
+using namespace AlphaISA;
+
+/// Target pipe() handler. Even though this is a generic Posix call,
+/// the Alpha return convention is funky, so that makes it
+/// Alpha-specific.
+SyscallReturn
+pipeFunc(SyscallDesc *desc, int callnum, Process *process,
+ ExecContext *xc)
+{
+ int fds[2], sim_fds[2];
+ int pipe_retval = pipe(fds);
+
+ if (pipe_retval < 0) {
+ // error
+ return pipe_retval;
+ }
+
+ sim_fds[0] = process->alloc_fd(fds[0]);
+ sim_fds[1] = process->alloc_fd(fds[1]);
+
+ // Alpha Linux convention for pipe() is that fd[0] is returned as
+ // the return value of the function, and fd[1] is returned in r20.
- name.copyOut(xc->mem);
++ xc->setIntReg(20, sim_fds[1]);
+ return sim_fds[0];
+}
+
+
+/// Target uname() handler.
+static SyscallReturn
+unameFunc(SyscallDesc *desc, int callnum, Process *process,
+ ExecContext *xc)
+{
+ TypedBufferArg<Linux::utsname> name(xc->getSyscallArg(0));
+
+ strcpy(name->sysname, "Linux");
+ strcpy(name->nodename, "m5.eecs.umich.edu");
+ strcpy(name->release, "2.4.20");
+ strcpy(name->version, "#1 Mon Aug 18 11:32:15 EDT 2003");
+ strcpy(name->machine, "alpha");
+
- fpcr.copyOut(xc->mem);
++ name.copyOut(xc->getMemPtr());
+ return 0;
+}
+
+/// Target osf_getsysyinfo() handler. Even though this call is
+/// borrowed from Tru64, the subcases that get used appear to be
+/// different in practice from those used by Tru64 processes.
+static SyscallReturn
+osf_getsysinfoFunc(SyscallDesc *desc, int callnum, Process *process,
+ ExecContext *xc)
+{
+ unsigned op = xc->getSyscallArg(0);
+ // unsigned nbytes = xc->getSyscallArg(2);
+
+ switch (op) {
+
+ case 45: { // GSI_IEEE_FP_CONTROL
+ TypedBufferArg<uint64_t> fpcr(xc->getSyscallArg(1));
+ // I don't think this exactly matches the HW FPCR
+ *fpcr = 0;
- fpcr.copyIn(xc->mem);
++ fpcr.copyOut(xc->getMemPtr());
+ return 0;
+ }
+
+ default:
+ cerr << "osf_getsysinfo: unknown op " << op << endl;
+ abort();
+ break;
+ }
+
+ return 1;
+}
+
+/// Target osf_setsysinfo() handler.
+static SyscallReturn
+osf_setsysinfoFunc(SyscallDesc *desc, int callnum, Process *process,
+ ExecContext *xc)
+{
+ unsigned op = xc->getSyscallArg(0);
+ // unsigned nbytes = xc->getSyscallArg(2);
+
+ switch (op) {
+
+ case 14: { // SSI_IEEE_FP_CONTROL
+ TypedBufferArg<uint64_t> fpcr(xc->getSyscallArg(1));
+ // I don't think this exactly matches the HW FPCR
++ fpcr.copyIn(xc->getMemPtr());
+ DPRINTFR(SyscallVerbose, "osf_setsysinfo(SSI_IEEE_FP_CONTROL): "
+ " setting FPCR to 0x%x\n", gtoh(*(uint64_t*)fpcr));
+ return 0;
+ }
+
+ default:
+ cerr << "osf_setsysinfo: unknown op " << op << endl;
+ abort();
+ break;
+ }
+
+ return 1;
+}
+
+
+SyscallDesc AlphaLinuxProcess::syscallDescs[] = {
+ /* 0 */ SyscallDesc("osf_syscall", unimplementedFunc),
+ /* 1 */ SyscallDesc("exit", exitFunc),
+ /* 2 */ SyscallDesc("fork", unimplementedFunc),
+ /* 3 */ SyscallDesc("read", readFunc),
+ /* 4 */ SyscallDesc("write", writeFunc),
+ /* 5 */ SyscallDesc("osf_old_open", unimplementedFunc),
+ /* 6 */ SyscallDesc("close", closeFunc),
+ /* 7 */ SyscallDesc("osf_wait4", unimplementedFunc),
+ /* 8 */ SyscallDesc("osf_old_creat", unimplementedFunc),
+ /* 9 */ SyscallDesc("link", unimplementedFunc),
+ /* 10 */ SyscallDesc("unlink", unlinkFunc),
+ /* 11 */ SyscallDesc("osf_execve", unimplementedFunc),
+ /* 12 */ SyscallDesc("chdir", unimplementedFunc),
+ /* 13 */ SyscallDesc("fchdir", unimplementedFunc),
+ /* 14 */ SyscallDesc("mknod", unimplementedFunc),
+ /* 15 */ SyscallDesc("chmod", chmodFunc<Linux>),
+ /* 16 */ SyscallDesc("chown", chownFunc),
+ /* 17 */ SyscallDesc("brk", obreakFunc),
+ /* 18 */ SyscallDesc("osf_getfsstat", unimplementedFunc),
+ /* 19 */ SyscallDesc("lseek", lseekFunc),
+ /* 20 */ SyscallDesc("getxpid", getpidFunc),
+ /* 21 */ SyscallDesc("osf_mount", unimplementedFunc),
+ /* 22 */ SyscallDesc("umount", unimplementedFunc),
+ /* 23 */ SyscallDesc("setuid", setuidFunc),
+ /* 24 */ SyscallDesc("getxuid", getuidFunc),
+ /* 25 */ SyscallDesc("exec_with_loader", unimplementedFunc),
+ /* 26 */ SyscallDesc("osf_ptrace", unimplementedFunc),
+ /* 27 */ SyscallDesc("osf_nrecvmsg", unimplementedFunc),
+ /* 28 */ SyscallDesc("osf_nsendmsg", unimplementedFunc),
+ /* 29 */ SyscallDesc("osf_nrecvfrom", unimplementedFunc),
+ /* 30 */ SyscallDesc("osf_naccept", unimplementedFunc),
+ /* 31 */ SyscallDesc("osf_ngetpeername", unimplementedFunc),
+ /* 32 */ SyscallDesc("osf_ngetsockname", unimplementedFunc),
+ /* 33 */ SyscallDesc("access", unimplementedFunc),
+ /* 34 */ SyscallDesc("osf_chflags", unimplementedFunc),
+ /* 35 */ SyscallDesc("osf_fchflags", unimplementedFunc),
+ /* 36 */ SyscallDesc("sync", unimplementedFunc),
+ /* 37 */ SyscallDesc("kill", unimplementedFunc),
+ /* 38 */ SyscallDesc("osf_old_stat", unimplementedFunc),
+ /* 39 */ SyscallDesc("setpgid", unimplementedFunc),
+ /* 40 */ SyscallDesc("osf_old_lstat", unimplementedFunc),
+ /* 41 */ SyscallDesc("dup", unimplementedFunc),
+ /* 42 */ SyscallDesc("pipe", pipeFunc),
+ /* 43 */ SyscallDesc("osf_set_program_attributes", unimplementedFunc),
+ /* 44 */ SyscallDesc("osf_profil", unimplementedFunc),
+ /* 45 */ SyscallDesc("open", openFunc<Linux>),
+ /* 46 */ SyscallDesc("osf_old_sigaction", unimplementedFunc),
+ /* 47 */ SyscallDesc("getxgid", getgidFunc),
+ /* 48 */ SyscallDesc("osf_sigprocmask", ignoreFunc),
+ /* 49 */ SyscallDesc("osf_getlogin", unimplementedFunc),
+ /* 50 */ SyscallDesc("osf_setlogin", unimplementedFunc),
+ /* 51 */ SyscallDesc("acct", unimplementedFunc),
+ /* 52 */ SyscallDesc("sigpending", unimplementedFunc),
+ /* 53 */ SyscallDesc("osf_classcntl", unimplementedFunc),
+ /* 54 */ SyscallDesc("ioctl", ioctlFunc<Linux>),
+ /* 55 */ SyscallDesc("osf_reboot", unimplementedFunc),
+ /* 56 */ SyscallDesc("osf_revoke", unimplementedFunc),
+ /* 57 */ SyscallDesc("symlink", unimplementedFunc),
+ /* 58 */ SyscallDesc("readlink", unimplementedFunc),
+ /* 59 */ SyscallDesc("execve", unimplementedFunc),
+ /* 60 */ SyscallDesc("umask", unimplementedFunc),
+ /* 61 */ SyscallDesc("chroot", unimplementedFunc),
+ /* 62 */ SyscallDesc("osf_old_fstat", unimplementedFunc),
+ /* 63 */ SyscallDesc("getpgrp", unimplementedFunc),
+ /* 64 */ SyscallDesc("getpagesize", getpagesizeFunc),
+ /* 65 */ SyscallDesc("osf_mremap", unimplementedFunc),
+ /* 66 */ SyscallDesc("vfork", unimplementedFunc),
+ /* 67 */ SyscallDesc("stat", statFunc<Linux>),
+ /* 68 */ SyscallDesc("lstat", lstatFunc<Linux>),
+ /* 69 */ SyscallDesc("osf_sbrk", unimplementedFunc),
+ /* 70 */ SyscallDesc("osf_sstk", unimplementedFunc),
+ /* 71 */ SyscallDesc("mmap", mmapFunc<Linux>),
+ /* 72 */ SyscallDesc("osf_old_vadvise", unimplementedFunc),
+ /* 73 */ SyscallDesc("munmap", munmapFunc),
+ /* 74 */ SyscallDesc("mprotect", ignoreFunc),
+ /* 75 */ SyscallDesc("madvise", unimplementedFunc),
+ /* 76 */ SyscallDesc("vhangup", unimplementedFunc),
+ /* 77 */ SyscallDesc("osf_kmodcall", unimplementedFunc),
+ /* 78 */ SyscallDesc("osf_mincore", unimplementedFunc),
+ /* 79 */ SyscallDesc("getgroups", unimplementedFunc),
+ /* 80 */ SyscallDesc("setgroups", unimplementedFunc),
+ /* 81 */ SyscallDesc("osf_old_getpgrp", unimplementedFunc),
+ /* 82 */ SyscallDesc("setpgrp", unimplementedFunc),
+ /* 83 */ SyscallDesc("osf_setitimer", unimplementedFunc),
+ /* 84 */ SyscallDesc("osf_old_wait", unimplementedFunc),
+ /* 85 */ SyscallDesc("osf_table", unimplementedFunc),
+ /* 86 */ SyscallDesc("osf_getitimer", unimplementedFunc),
+ /* 87 */ SyscallDesc("gethostname", gethostnameFunc),
+ /* 88 */ SyscallDesc("sethostname", unimplementedFunc),
+ /* 89 */ SyscallDesc("getdtablesize", unimplementedFunc),
+ /* 90 */ SyscallDesc("dup2", unimplementedFunc),
+ /* 91 */ SyscallDesc("fstat", fstatFunc<Linux>),
+ /* 92 */ SyscallDesc("fcntl", fcntlFunc),
+ /* 93 */ SyscallDesc("osf_select", unimplementedFunc),
+ /* 94 */ SyscallDesc("poll", unimplementedFunc),
+ /* 95 */ SyscallDesc("fsync", unimplementedFunc),
+ /* 96 */ SyscallDesc("setpriority", unimplementedFunc),
+ /* 97 */ SyscallDesc("socket", unimplementedFunc),
+ /* 98 */ SyscallDesc("connect", unimplementedFunc),
+ /* 99 */ SyscallDesc("accept", unimplementedFunc),
+ /* 100 */ SyscallDesc("getpriority", unimplementedFunc),
+ /* 101 */ SyscallDesc("send", unimplementedFunc),
+ /* 102 */ SyscallDesc("recv", unimplementedFunc),
+ /* 103 */ SyscallDesc("sigreturn", unimplementedFunc),
+ /* 104 */ SyscallDesc("bind", unimplementedFunc),
+ /* 105 */ SyscallDesc("setsockopt", unimplementedFunc),
+ /* 106 */ SyscallDesc("listen", unimplementedFunc),
+ /* 107 */ SyscallDesc("osf_plock", unimplementedFunc),
+ /* 108 */ SyscallDesc("osf_old_sigvec", unimplementedFunc),
+ /* 109 */ SyscallDesc("osf_old_sigblock", unimplementedFunc),
+ /* 110 */ SyscallDesc("osf_old_sigsetmask", unimplementedFunc),
+ /* 111 */ SyscallDesc("sigsuspend", unimplementedFunc),
+ /* 112 */ SyscallDesc("osf_sigstack", ignoreFunc),
+ /* 113 */ SyscallDesc("recvmsg", unimplementedFunc),
+ /* 114 */ SyscallDesc("sendmsg", unimplementedFunc),
+ /* 115 */ SyscallDesc("osf_old_vtrace", unimplementedFunc),
+ /* 116 */ SyscallDesc("osf_gettimeofday", unimplementedFunc),
+ /* 117 */ SyscallDesc("osf_getrusage", unimplementedFunc),
+ /* 118 */ SyscallDesc("getsockopt", unimplementedFunc),
+ /* 119 */ SyscallDesc("numa_syscalls", unimplementedFunc),
+ /* 120 */ SyscallDesc("readv", unimplementedFunc),
+ /* 121 */ SyscallDesc("writev", writevFunc<Linux>),
+ /* 122 */ SyscallDesc("osf_settimeofday", unimplementedFunc),
+ /* 123 */ SyscallDesc("fchown", fchownFunc),
+ /* 124 */ SyscallDesc("fchmod", fchmodFunc<Linux>),
+ /* 125 */ SyscallDesc("recvfrom", unimplementedFunc),
+ /* 126 */ SyscallDesc("setreuid", unimplementedFunc),
+ /* 127 */ SyscallDesc("setregid", unimplementedFunc),
+ /* 128 */ SyscallDesc("rename", renameFunc),
+ /* 129 */ SyscallDesc("truncate", unimplementedFunc),
+ /* 130 */ SyscallDesc("ftruncate", unimplementedFunc),
+ /* 131 */ SyscallDesc("flock", unimplementedFunc),
+ /* 132 */ SyscallDesc("setgid", unimplementedFunc),
+ /* 133 */ SyscallDesc("sendto", unimplementedFunc),
+ /* 134 */ SyscallDesc("shutdown", unimplementedFunc),
+ /* 135 */ SyscallDesc("socketpair", unimplementedFunc),
+ /* 136 */ SyscallDesc("mkdir", unimplementedFunc),
+ /* 137 */ SyscallDesc("rmdir", unimplementedFunc),
+ /* 138 */ SyscallDesc("osf_utimes", unimplementedFunc),
+ /* 139 */ SyscallDesc("osf_old_sigreturn", unimplementedFunc),
+ /* 140 */ SyscallDesc("osf_adjtime", unimplementedFunc),
+ /* 141 */ SyscallDesc("getpeername", unimplementedFunc),
+ /* 142 */ SyscallDesc("osf_gethostid", unimplementedFunc),
+ /* 143 */ SyscallDesc("osf_sethostid", unimplementedFunc),
+ /* 144 */ SyscallDesc("getrlimit", getrlimitFunc<Linux>),
+ /* 145 */ SyscallDesc("setrlimit", ignoreFunc),
+ /* 146 */ SyscallDesc("osf_old_killpg", unimplementedFunc),
+ /* 147 */ SyscallDesc("setsid", unimplementedFunc),
+ /* 148 */ SyscallDesc("quotactl", unimplementedFunc),
+ /* 149 */ SyscallDesc("osf_oldquota", unimplementedFunc),
+ /* 150 */ SyscallDesc("getsockname", unimplementedFunc),
+ /* 151 */ SyscallDesc("osf_pread", unimplementedFunc),
+ /* 152 */ SyscallDesc("osf_pwrite", unimplementedFunc),
+ /* 153 */ SyscallDesc("osf_pid_block", unimplementedFunc),
+ /* 154 */ SyscallDesc("osf_pid_unblock", unimplementedFunc),
+ /* 155 */ SyscallDesc("osf_signal_urti", unimplementedFunc),
+ /* 156 */ SyscallDesc("sigaction", ignoreFunc),
+ /* 157 */ SyscallDesc("osf_sigwaitprim", unimplementedFunc),
+ /* 158 */ SyscallDesc("osf_nfssvc", unimplementedFunc),
+ /* 159 */ SyscallDesc("osf_getdirentries", unimplementedFunc),
+ /* 160 */ SyscallDesc("osf_statfs", unimplementedFunc),
+ /* 161 */ SyscallDesc("osf_fstatfs", unimplementedFunc),
+ /* 162 */ SyscallDesc("unknown #162", unimplementedFunc),
+ /* 163 */ SyscallDesc("osf_async_daemon", unimplementedFunc),
+ /* 164 */ SyscallDesc("osf_getfh", unimplementedFunc),
+ /* 165 */ SyscallDesc("osf_getdomainname", unimplementedFunc),
+ /* 166 */ SyscallDesc("setdomainname", unimplementedFunc),
+ /* 167 */ SyscallDesc("unknown #167", unimplementedFunc),
+ /* 168 */ SyscallDesc("unknown #168", unimplementedFunc),
+ /* 169 */ SyscallDesc("osf_exportfs", unimplementedFunc),
+ /* 170 */ SyscallDesc("unknown #170", unimplementedFunc),
+ /* 171 */ SyscallDesc("unknown #171", unimplementedFunc),
+ /* 172 */ SyscallDesc("unknown #172", unimplementedFunc),
+ /* 173 */ SyscallDesc("unknown #173", unimplementedFunc),
+ /* 174 */ SyscallDesc("unknown #174", unimplementedFunc),
+ /* 175 */ SyscallDesc("unknown #175", unimplementedFunc),
+ /* 176 */ SyscallDesc("unknown #176", unimplementedFunc),
+ /* 177 */ SyscallDesc("unknown #177", unimplementedFunc),
+ /* 178 */ SyscallDesc("unknown #178", unimplementedFunc),
+ /* 179 */ SyscallDesc("unknown #179", unimplementedFunc),
+ /* 180 */ SyscallDesc("unknown #180", unimplementedFunc),
+ /* 181 */ SyscallDesc("osf_alt_plock", unimplementedFunc),
+ /* 182 */ SyscallDesc("unknown #182", unimplementedFunc),
+ /* 183 */ SyscallDesc("unknown #183", unimplementedFunc),
+ /* 184 */ SyscallDesc("osf_getmnt", unimplementedFunc),
+ /* 185 */ SyscallDesc("unknown #185", unimplementedFunc),
+ /* 186 */ SyscallDesc("unknown #186", unimplementedFunc),
+ /* 187 */ SyscallDesc("osf_alt_sigpending", unimplementedFunc),
+ /* 188 */ SyscallDesc("osf_alt_setsid", unimplementedFunc),
+ /* 189 */ SyscallDesc("unknown #189", unimplementedFunc),
+ /* 190 */ SyscallDesc("unknown #190", unimplementedFunc),
+ /* 191 */ SyscallDesc("unknown #191", unimplementedFunc),
+ /* 192 */ SyscallDesc("unknown #192", unimplementedFunc),
+ /* 193 */ SyscallDesc("unknown #193", unimplementedFunc),
+ /* 194 */ SyscallDesc("unknown #194", unimplementedFunc),
+ /* 195 */ SyscallDesc("unknown #195", unimplementedFunc),
+ /* 196 */ SyscallDesc("unknown #196", unimplementedFunc),
+ /* 197 */ SyscallDesc("unknown #197", unimplementedFunc),
+ /* 198 */ SyscallDesc("unknown #198", unimplementedFunc),
+ /* 199 */ SyscallDesc("osf_swapon", unimplementedFunc),
+ /* 200 */ SyscallDesc("msgctl", unimplementedFunc),
+ /* 201 */ SyscallDesc("msgget", unimplementedFunc),
+ /* 202 */ SyscallDesc("msgrcv", unimplementedFunc),
+ /* 203 */ SyscallDesc("msgsnd", unimplementedFunc),
+ /* 204 */ SyscallDesc("semctl", unimplementedFunc),
+ /* 205 */ SyscallDesc("semget", unimplementedFunc),
+ /* 206 */ SyscallDesc("semop", unimplementedFunc),
+ /* 207 */ SyscallDesc("osf_utsname", unimplementedFunc),
+ /* 208 */ SyscallDesc("lchown", unimplementedFunc),
+ /* 209 */ SyscallDesc("osf_shmat", unimplementedFunc),
+ /* 210 */ SyscallDesc("shmctl", unimplementedFunc),
+ /* 211 */ SyscallDesc("shmdt", unimplementedFunc),
+ /* 212 */ SyscallDesc("shmget", unimplementedFunc),
+ /* 213 */ SyscallDesc("osf_mvalid", unimplementedFunc),
+ /* 214 */ SyscallDesc("osf_getaddressconf", unimplementedFunc),
+ /* 215 */ SyscallDesc("osf_msleep", unimplementedFunc),
+ /* 216 */ SyscallDesc("osf_mwakeup", unimplementedFunc),
+ /* 217 */ SyscallDesc("msync", unimplementedFunc),
+ /* 218 */ SyscallDesc("osf_signal", unimplementedFunc),
+ /* 219 */ SyscallDesc("osf_utc_gettime", unimplementedFunc),
+ /* 220 */ SyscallDesc("osf_utc_adjtime", unimplementedFunc),
+ /* 221 */ SyscallDesc("unknown #221", unimplementedFunc),
+ /* 222 */ SyscallDesc("osf_security", unimplementedFunc),
+ /* 223 */ SyscallDesc("osf_kloadcall", unimplementedFunc),
+ /* 224 */ SyscallDesc("unknown #224", unimplementedFunc),
+ /* 225 */ SyscallDesc("unknown #225", unimplementedFunc),
+ /* 226 */ SyscallDesc("unknown #226", unimplementedFunc),
+ /* 227 */ SyscallDesc("unknown #227", unimplementedFunc),
+ /* 228 */ SyscallDesc("unknown #228", unimplementedFunc),
+ /* 229 */ SyscallDesc("unknown #229", unimplementedFunc),
+ /* 230 */ SyscallDesc("unknown #230", unimplementedFunc),
+ /* 231 */ SyscallDesc("unknown #231", unimplementedFunc),
+ /* 232 */ SyscallDesc("unknown #232", unimplementedFunc),
+ /* 233 */ SyscallDesc("getpgid", unimplementedFunc),
+ /* 234 */ SyscallDesc("getsid", unimplementedFunc),
+ /* 235 */ SyscallDesc("sigaltstack", ignoreFunc),
+ /* 236 */ SyscallDesc("osf_waitid", unimplementedFunc),
+ /* 237 */ SyscallDesc("osf_priocntlset", unimplementedFunc),
+ /* 238 */ SyscallDesc("osf_sigsendset", unimplementedFunc),
+ /* 239 */ SyscallDesc("osf_set_speculative", unimplementedFunc),
+ /* 240 */ SyscallDesc("osf_msfs_syscall", unimplementedFunc),
+ /* 241 */ SyscallDesc("osf_sysinfo", unimplementedFunc),
+ /* 242 */ SyscallDesc("osf_uadmin", unimplementedFunc),
+ /* 243 */ SyscallDesc("osf_fuser", unimplementedFunc),
+ /* 244 */ SyscallDesc("osf_proplist_syscall", unimplementedFunc),
+ /* 245 */ SyscallDesc("osf_ntp_adjtime", unimplementedFunc),
+ /* 246 */ SyscallDesc("osf_ntp_gettime", unimplementedFunc),
+ /* 247 */ SyscallDesc("osf_pathconf", unimplementedFunc),
+ /* 248 */ SyscallDesc("osf_fpathconf", unimplementedFunc),
+ /* 249 */ SyscallDesc("unknown #249", unimplementedFunc),
+ /* 250 */ SyscallDesc("osf_uswitch", unimplementedFunc),
+ /* 251 */ SyscallDesc("osf_usleep_thread", unimplementedFunc),
+ /* 252 */ SyscallDesc("osf_audcntl", unimplementedFunc),
+ /* 253 */ SyscallDesc("osf_audgen", unimplementedFunc),
+ /* 254 */ SyscallDesc("sysfs", unimplementedFunc),
+ /* 255 */ SyscallDesc("osf_subsys_info", unimplementedFunc),
+ /* 256 */ SyscallDesc("osf_getsysinfo", osf_getsysinfoFunc),
+ /* 257 */ SyscallDesc("osf_setsysinfo", osf_setsysinfoFunc),
+ /* 258 */ SyscallDesc("osf_afs_syscall", unimplementedFunc),
+ /* 259 */ SyscallDesc("osf_swapctl", unimplementedFunc),
+ /* 260 */ SyscallDesc("osf_memcntl", unimplementedFunc),
+ /* 261 */ SyscallDesc("osf_fdatasync", unimplementedFunc),
+ /* 262 */ SyscallDesc("unknown #262", unimplementedFunc),
+ /* 263 */ SyscallDesc("unknown #263", unimplementedFunc),
+ /* 264 */ SyscallDesc("unknown #264", unimplementedFunc),
+ /* 265 */ SyscallDesc("unknown #265", unimplementedFunc),
+ /* 266 */ SyscallDesc("unknown #266", unimplementedFunc),
+ /* 267 */ SyscallDesc("unknown #267", unimplementedFunc),
+ /* 268 */ SyscallDesc("unknown #268", unimplementedFunc),
+ /* 269 */ SyscallDesc("unknown #269", unimplementedFunc),
+ /* 270 */ SyscallDesc("unknown #270", unimplementedFunc),
+ /* 271 */ SyscallDesc("unknown #271", unimplementedFunc),
+ /* 272 */ SyscallDesc("unknown #272", unimplementedFunc),
+ /* 273 */ SyscallDesc("unknown #273", unimplementedFunc),
+ /* 274 */ SyscallDesc("unknown #274", unimplementedFunc),
+ /* 275 */ SyscallDesc("unknown #275", unimplementedFunc),
+ /* 276 */ SyscallDesc("unknown #276", unimplementedFunc),
+ /* 277 */ SyscallDesc("unknown #277", unimplementedFunc),
+ /* 278 */ SyscallDesc("unknown #278", unimplementedFunc),
+ /* 279 */ SyscallDesc("unknown #279", unimplementedFunc),
+ /* 280 */ SyscallDesc("unknown #280", unimplementedFunc),
+ /* 281 */ SyscallDesc("unknown #281", unimplementedFunc),
+ /* 282 */ SyscallDesc("unknown #282", unimplementedFunc),
+ /* 283 */ SyscallDesc("unknown #283", unimplementedFunc),
+ /* 284 */ SyscallDesc("unknown #284", unimplementedFunc),
+ /* 285 */ SyscallDesc("unknown #285", unimplementedFunc),
+ /* 286 */ SyscallDesc("unknown #286", unimplementedFunc),
+ /* 287 */ SyscallDesc("unknown #287", unimplementedFunc),
+ /* 288 */ SyscallDesc("unknown #288", unimplementedFunc),
+ /* 289 */ SyscallDesc("unknown #289", unimplementedFunc),
+ /* 290 */ SyscallDesc("unknown #290", unimplementedFunc),
+ /* 291 */ SyscallDesc("unknown #291", unimplementedFunc),
+ /* 292 */ SyscallDesc("unknown #292", unimplementedFunc),
+ /* 293 */ SyscallDesc("unknown #293", unimplementedFunc),
+ /* 294 */ SyscallDesc("unknown #294", unimplementedFunc),
+ /* 295 */ SyscallDesc("unknown #295", unimplementedFunc),
+ /* 296 */ SyscallDesc("unknown #296", unimplementedFunc),
+ /* 297 */ SyscallDesc("unknown #297", unimplementedFunc),
+ /* 298 */ SyscallDesc("unknown #298", unimplementedFunc),
+ /* 299 */ SyscallDesc("unknown #299", unimplementedFunc),
+/*
+ * Linux-specific system calls begin at 300
+ */
+ /* 300 */ SyscallDesc("bdflush", unimplementedFunc),
+ /* 301 */ SyscallDesc("sethae", unimplementedFunc),
+ /* 302 */ SyscallDesc("mount", unimplementedFunc),
+ /* 303 */ SyscallDesc("old_adjtimex", unimplementedFunc),
+ /* 304 */ SyscallDesc("swapoff", unimplementedFunc),
+ /* 305 */ SyscallDesc("getdents", unimplementedFunc),
+ /* 306 */ SyscallDesc("create_module", unimplementedFunc),
+ /* 307 */ SyscallDesc("init_module", unimplementedFunc),
+ /* 308 */ SyscallDesc("delete_module", unimplementedFunc),
+ /* 309 */ SyscallDesc("get_kernel_syms", unimplementedFunc),
+ /* 310 */ SyscallDesc("syslog", unimplementedFunc),
+ /* 311 */ SyscallDesc("reboot", unimplementedFunc),
+ /* 312 */ SyscallDesc("clone", unimplementedFunc),
+ /* 313 */ SyscallDesc("uselib", unimplementedFunc),
+ /* 314 */ SyscallDesc("mlock", unimplementedFunc),
+ /* 315 */ SyscallDesc("munlock", unimplementedFunc),
+ /* 316 */ SyscallDesc("mlockall", unimplementedFunc),
+ /* 317 */ SyscallDesc("munlockall", unimplementedFunc),
+ /* 318 */ SyscallDesc("sysinfo", unimplementedFunc),
+ /* 319 */ SyscallDesc("_sysctl", unimplementedFunc),
+ /* 320 */ SyscallDesc("was sys_idle", unimplementedFunc),
+ /* 321 */ SyscallDesc("oldumount", unimplementedFunc),
+ /* 322 */ SyscallDesc("swapon", unimplementedFunc),
+ /* 323 */ SyscallDesc("times", ignoreFunc),
+ /* 324 */ SyscallDesc("personality", unimplementedFunc),
+ /* 325 */ SyscallDesc("setfsuid", unimplementedFunc),
+ /* 326 */ SyscallDesc("setfsgid", unimplementedFunc),
+ /* 327 */ SyscallDesc("ustat", unimplementedFunc),
+ /* 328 */ SyscallDesc("statfs", unimplementedFunc),
+ /* 329 */ SyscallDesc("fstatfs", unimplementedFunc),
+ /* 330 */ SyscallDesc("sched_setparam", unimplementedFunc),
+ /* 331 */ SyscallDesc("sched_getparam", unimplementedFunc),
+ /* 332 */ SyscallDesc("sched_setscheduler", unimplementedFunc),
+ /* 333 */ SyscallDesc("sched_getscheduler", unimplementedFunc),
+ /* 334 */ SyscallDesc("sched_yield", unimplementedFunc),
+ /* 335 */ SyscallDesc("sched_get_priority_max", unimplementedFunc),
+ /* 336 */ SyscallDesc("sched_get_priority_min", unimplementedFunc),
+ /* 337 */ SyscallDesc("sched_rr_get_interval", unimplementedFunc),
+ /* 338 */ SyscallDesc("afs_syscall", unimplementedFunc),
+ /* 339 */ SyscallDesc("uname", unameFunc),
+ /* 340 */ SyscallDesc("nanosleep", unimplementedFunc),
+ /* 341 */ SyscallDesc("mremap", unimplementedFunc),
+ /* 342 */ SyscallDesc("nfsservctl", unimplementedFunc),
+ /* 343 */ SyscallDesc("setresuid", unimplementedFunc),
+ /* 344 */ SyscallDesc("getresuid", unimplementedFunc),
+ /* 345 */ SyscallDesc("pciconfig_read", unimplementedFunc),
+ /* 346 */ SyscallDesc("pciconfig_write", unimplementedFunc),
+ /* 347 */ SyscallDesc("query_module", unimplementedFunc),
+ /* 348 */ SyscallDesc("prctl", unimplementedFunc),
+ /* 349 */ SyscallDesc("pread", unimplementedFunc),
+ /* 350 */ SyscallDesc("pwrite", unimplementedFunc),
+ /* 351 */ SyscallDesc("rt_sigreturn", unimplementedFunc),
+ /* 352 */ SyscallDesc("rt_sigaction", ignoreFunc),
+ /* 353 */ SyscallDesc("rt_sigprocmask", unimplementedFunc),
+ /* 354 */ SyscallDesc("rt_sigpending", unimplementedFunc),
+ /* 355 */ SyscallDesc("rt_sigtimedwait", unimplementedFunc),
+ /* 356 */ SyscallDesc("rt_sigqueueinfo", unimplementedFunc),
+ /* 357 */ SyscallDesc("rt_sigsuspend", unimplementedFunc),
+ /* 358 */ SyscallDesc("select", unimplementedFunc),
+ /* 359 */ SyscallDesc("gettimeofday", gettimeofdayFunc<Linux>),
+ /* 360 */ SyscallDesc("settimeofday", unimplementedFunc),
+ /* 361 */ SyscallDesc("getitimer", unimplementedFunc),
+ /* 362 */ SyscallDesc("setitimer", unimplementedFunc),
+ /* 363 */ SyscallDesc("utimes", utimesFunc<Linux>),
+ /* 364 */ SyscallDesc("getrusage", getrusageFunc<Linux>),
+ /* 365 */ SyscallDesc("wait4", unimplementedFunc),
+ /* 366 */ SyscallDesc("adjtimex", unimplementedFunc),
+ /* 367 */ SyscallDesc("getcwd", unimplementedFunc),
+ /* 368 */ SyscallDesc("capget", unimplementedFunc),
+ /* 369 */ SyscallDesc("capset", unimplementedFunc),
+ /* 370 */ SyscallDesc("sendfile", unimplementedFunc),
+ /* 371 */ SyscallDesc("setresgid", unimplementedFunc),
+ /* 372 */ SyscallDesc("getresgid", unimplementedFunc),
+ /* 373 */ SyscallDesc("dipc", unimplementedFunc),
+ /* 374 */ SyscallDesc("pivot_root", unimplementedFunc),
+ /* 375 */ SyscallDesc("mincore", unimplementedFunc),
+ /* 376 */ SyscallDesc("pciconfig_iobase", unimplementedFunc),
+ /* 377 */ SyscallDesc("getdents64", unimplementedFunc),
+ /* 378 */ SyscallDesc("gettid", unimplementedFunc),
+ /* 379 */ SyscallDesc("readahead", unimplementedFunc),
+ /* 380 */ SyscallDesc("security", unimplementedFunc),
+ /* 381 */ SyscallDesc("tkill", unimplementedFunc),
+ /* 382 */ SyscallDesc("setxattr", unimplementedFunc),
+ /* 383 */ SyscallDesc("lsetxattr", unimplementedFunc),
+ /* 384 */ SyscallDesc("fsetxattr", unimplementedFunc),
+ /* 385 */ SyscallDesc("getxattr", unimplementedFunc),
+ /* 386 */ SyscallDesc("lgetxattr", unimplementedFunc),
+ /* 387 */ SyscallDesc("fgetxattr", unimplementedFunc),
+ /* 388 */ SyscallDesc("listxattr", unimplementedFunc),
+ /* 389 */ SyscallDesc("llistxattr", unimplementedFunc),
+ /* 390 */ SyscallDesc("flistxattr", unimplementedFunc),
+ /* 391 */ SyscallDesc("removexattr", unimplementedFunc),
+ /* 392 */ SyscallDesc("lremovexattr", unimplementedFunc),
+ /* 393 */ SyscallDesc("fremovexattr", unimplementedFunc),
+ /* 394 */ SyscallDesc("futex", unimplementedFunc),
+ /* 395 */ SyscallDesc("sched_setaffinity", unimplementedFunc),
+ /* 396 */ SyscallDesc("sched_getaffinity", unimplementedFunc),
+ /* 397 */ SyscallDesc("tuxcall", unimplementedFunc),
+ /* 398 */ SyscallDesc("io_setup", unimplementedFunc),
+ /* 399 */ SyscallDesc("io_destroy", unimplementedFunc),
+ /* 400 */ SyscallDesc("io_getevents", unimplementedFunc),
+ /* 401 */ SyscallDesc("io_submit", unimplementedFunc),
+ /* 402 */ SyscallDesc("io_cancel", unimplementedFunc),
+ /* 403 */ SyscallDesc("unknown #403", unimplementedFunc),
+ /* 404 */ SyscallDesc("unknown #404", unimplementedFunc),
+ /* 405 */ SyscallDesc("exit_group", exitFunc), // exit all threads...
+ /* 406 */ SyscallDesc("lookup_dcookie", unimplementedFunc),
+ /* 407 */ SyscallDesc("sys_epoll_create", unimplementedFunc),
+ /* 408 */ SyscallDesc("sys_epoll_ctl", unimplementedFunc),
+ /* 409 */ SyscallDesc("sys_epoll_wait", unimplementedFunc),
+ /* 410 */ SyscallDesc("remap_file_pages", unimplementedFunc),
+ /* 411 */ SyscallDesc("set_tid_address", unimplementedFunc),
+ /* 412 */ SyscallDesc("restart_syscall", unimplementedFunc),
+ /* 413 */ SyscallDesc("fadvise64", unimplementedFunc),
+ /* 414 */ SyscallDesc("timer_create", unimplementedFunc),
+ /* 415 */ SyscallDesc("timer_settime", unimplementedFunc),
+ /* 416 */ SyscallDesc("timer_gettime", unimplementedFunc),
+ /* 417 */ SyscallDesc("timer_getoverrun", unimplementedFunc),
+ /* 418 */ SyscallDesc("timer_delete", unimplementedFunc),
+ /* 419 */ SyscallDesc("clock_settime", unimplementedFunc),
+ /* 420 */ SyscallDesc("clock_gettime", unimplementedFunc),
+ /* 421 */ SyscallDesc("clock_getres", unimplementedFunc),
+ /* 422 */ SyscallDesc("clock_nanosleep", unimplementedFunc),
+ /* 423 */ SyscallDesc("semtimedop", unimplementedFunc),
+ /* 424 */ SyscallDesc("tgkill", unimplementedFunc),
+ /* 425 */ SyscallDesc("stat64", unimplementedFunc),
+ /* 426 */ SyscallDesc("lstat64", lstat64Func<Linux>),
+ /* 427 */ SyscallDesc("fstat64", fstat64Func<Linux>),
+ /* 428 */ SyscallDesc("vserver", unimplementedFunc),
+ /* 429 */ SyscallDesc("mbind", unimplementedFunc),
+ /* 430 */ SyscallDesc("get_mempolicy", unimplementedFunc),
+ /* 431 */ SyscallDesc("set_mempolicy", unimplementedFunc),
+ /* 432 */ SyscallDesc("mq_open", unimplementedFunc),
+ /* 433 */ SyscallDesc("mq_unlink", unimplementedFunc),
+ /* 434 */ SyscallDesc("mq_timedsend", unimplementedFunc),
+ /* 435 */ SyscallDesc("mq_timedreceive", unimplementedFunc),
+ /* 436 */ SyscallDesc("mq_notify", unimplementedFunc),
+ /* 437 */ SyscallDesc("mq_getsetattr", unimplementedFunc),
+ /* 438 */ SyscallDesc("waitid", unimplementedFunc),
+ /* 439 */ SyscallDesc("add_key", unimplementedFunc),
+ /* 440 */ SyscallDesc("request_key", unimplementedFunc),
+ /* 441 */ SyscallDesc("keyctl", unimplementedFunc)
+};
+
+AlphaLinuxProcess::AlphaLinuxProcess(const std::string &name,
+ ObjectFile *objFile,
+ int stdin_fd,
+ int stdout_fd,
+ int stderr_fd,
+ std::vector<std::string> &argv,
+ std::vector<std::string> &envp)
+ : LiveProcess(name, objFile, stdin_fd, stdout_fd, stderr_fd, argv, envp),
+ Num_Syscall_Descs(sizeof(syscallDescs) / sizeof(SyscallDesc))
+{
+ init_regs->intRegFile[0] = 0;
+}
+
+
+
+SyscallDesc*
+AlphaLinuxProcess::getDesc(int callnum)
+{
+ if (callnum < 0 || callnum > Num_Syscall_Descs)
+ return NULL;
+ return &syscallDescs[callnum];
+}
--- /dev/null
- RegFile *regs = &req->xc->regs;
+/*
+ * Copyright (c) 2001-2005 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.
+ */
+
+#include <sstream>
+#include <string>
+#include <vector>
+
+#include "arch/alpha/tlb.hh"
+#include "base/inifile.hh"
+#include "base/str.hh"
+#include "base/trace.hh"
+#include "config/alpha_tlaser.hh"
+#include "cpu/exec_context.hh"
+#include "sim/builder.hh"
+
+using namespace std;
+using namespace EV5;
+
+///////////////////////////////////////////////////////////////////////
+//
+// Alpha TLB
+//
+#ifdef DEBUG
+bool uncacheBit39 = false;
+bool uncacheBit40 = false;
+#endif
+
+#define MODE2MASK(X) (1 << (X))
+
+AlphaTLB::AlphaTLB(const string &name, int s)
+ : SimObject(name), size(s), nlu(0)
+{
+ table = new AlphaISA::PTE[size];
+ memset(table, 0, sizeof(AlphaISA::PTE[size]));
+}
+
+AlphaTLB::~AlphaTLB()
+{
+ if (table)
+ delete [] table;
+}
+
+// look up an entry in the TLB
+AlphaISA::PTE *
+AlphaTLB::lookup(Addr vpn, uint8_t asn) const
+{
+ // assume not found...
+ AlphaISA::PTE *retval = NULL;
+
+ PageTable::const_iterator i = lookupTable.find(vpn);
+ if (i != lookupTable.end()) {
+ while (i->first == vpn) {
+ int index = i->second;
+ AlphaISA::PTE *pte = &table[index];
+ assert(pte->valid);
+ if (vpn == pte->tag && (pte->asma || pte->asn == asn)) {
+ retval = pte;
+ break;
+ }
+
+ ++i;
+ }
+ }
+
+ DPRINTF(TLB, "lookup %#x, asn %#x -> %s ppn %#x\n", vpn, (int)asn,
+ retval ? "hit" : "miss", retval ? retval->ppn : 0);
+ return retval;
+}
+
+
+void
+AlphaTLB::checkCacheability(MemReqPtr &req)
+{
+ // in Alpha, cacheability is controlled by upper-level bits of the
+ // physical address
+
+ /*
+ * We support having the uncacheable bit in either bit 39 or bit 40.
+ * The Turbolaser platform (and EV5) support having the bit in 39, but
+ * Tsunami (which Linux assumes uses an EV6) generates accesses with
+ * the bit in 40. So we must check for both, but we have debug flags
+ * to catch a weird case where both are used, which shouldn't happen.
+ */
+
+
+#if ALPHA_TLASER
+ if (req->paddr & PAddrUncachedBit39) {
+#else
+ if (req->paddr & PAddrUncachedBit43) {
+#endif
+ // IPR memory space not implemented
+ if (PAddrIprSpace(req->paddr)) {
+ if (!req->xc->misspeculating()) {
+ switch (req->paddr) {
+ case ULL(0xFFFFF00188):
+ req->data = 0;
+ break;
+
+ default:
+ panic("IPR memory space not implemented! PA=%x\n",
+ req->paddr);
+ }
+ }
+ } else {
+ // mark request as uncacheable
+ req->flags |= UNCACHEABLE;
+
+#if !ALPHA_TLASER
+ // Clear bits 42:35 of the physical address (10-2 in Tsunami manual)
+ req->paddr &= PAddrUncachedMask;
+#endif
+ }
+ }
+}
+
+
+// insert a new TLB entry
+void
+AlphaTLB::insert(Addr addr, AlphaISA::PTE &pte)
+{
+ AlphaISA::VAddr vaddr = addr;
+ if (table[nlu].valid) {
+ Addr oldvpn = table[nlu].tag;
+ PageTable::iterator i = lookupTable.find(oldvpn);
+
+ if (i == lookupTable.end())
+ panic("TLB entry not found in lookupTable");
+
+ int index;
+ while ((index = i->second) != nlu) {
+ if (table[index].tag != oldvpn)
+ panic("TLB entry not found in lookupTable");
+
+ ++i;
+ }
+
+ DPRINTF(TLB, "remove @%d: %#x -> %#x\n", nlu, oldvpn, table[nlu].ppn);
+
+ lookupTable.erase(i);
+ }
+
+ DPRINTF(TLB, "insert @%d: %#x -> %#x\n", nlu, vaddr.vpn(), pte.ppn);
+
+ table[nlu] = pte;
+ table[nlu].tag = vaddr.vpn();
+ table[nlu].valid = true;
+
+ lookupTable.insert(make_pair(vaddr.vpn(), nlu));
+ nextnlu();
+}
+
+void
+AlphaTLB::flushAll()
+{
+ DPRINTF(TLB, "flushAll\n");
+ memset(table, 0, sizeof(AlphaISA::PTE[size]));
+ lookupTable.clear();
+ nlu = 0;
+}
+
+void
+AlphaTLB::flushProcesses()
+{
+ PageTable::iterator i = lookupTable.begin();
+ PageTable::iterator end = lookupTable.end();
+ while (i != end) {
+ int index = i->second;
+ AlphaISA::PTE *pte = &table[index];
+ assert(pte->valid);
+
+ // we can't increment i after we erase it, so save a copy and
+ // increment it to get the next entry now
+ PageTable::iterator cur = i;
+ ++i;
+
+ if (!pte->asma) {
+ DPRINTF(TLB, "flush @%d: %#x -> %#x\n", index, pte->tag, pte->ppn);
+ pte->valid = false;
+ lookupTable.erase(cur);
+ }
+ }
+}
+
+void
+AlphaTLB::flushAddr(Addr addr, uint8_t asn)
+{
+ AlphaISA::VAddr vaddr = addr;
+
+ PageTable::iterator i = lookupTable.find(vaddr.vpn());
+ if (i == lookupTable.end())
+ return;
+
+ while (i->first == vaddr.vpn()) {
+ int index = i->second;
+ AlphaISA::PTE *pte = &table[index];
+ assert(pte->valid);
+
+ if (vaddr.vpn() == pte->tag && (pte->asma || pte->asn == asn)) {
+ DPRINTF(TLB, "flushaddr @%d: %#x -> %#x\n", index, vaddr.vpn(),
+ pte->ppn);
+
+ // invalidate this entry
+ pte->valid = false;
+
+ lookupTable.erase(i);
+ }
+
+ ++i;
+ }
+}
+
+
+void
+AlphaTLB::serialize(ostream &os)
+{
+ SERIALIZE_SCALAR(size);
+ SERIALIZE_SCALAR(nlu);
+
+ for (int i = 0; i < size; i++) {
+ nameOut(os, csprintf("%s.PTE%d", name(), i));
+ table[i].serialize(os);
+ }
+}
+
+void
+AlphaTLB::unserialize(Checkpoint *cp, const string §ion)
+{
+ UNSERIALIZE_SCALAR(size);
+ UNSERIALIZE_SCALAR(nlu);
+
+ for (int i = 0; i < size; i++) {
+ table[i].unserialize(cp, csprintf("%s.PTE%d", section, i));
+ if (table[i].valid) {
+ lookupTable.insert(make_pair(table[i].tag, i));
+ }
+ }
+}
+
+
+///////////////////////////////////////////////////////////////////////
+//
+// Alpha ITB
+//
+AlphaITB::AlphaITB(const std::string &name, int size)
+ : AlphaTLB(name, size)
+{}
+
+
+void
+AlphaITB::regStats()
+{
+ hits
+ .name(name() + ".hits")
+ .desc("ITB hits");
+ misses
+ .name(name() + ".misses")
+ .desc("ITB misses");
+ acv
+ .name(name() + ".acv")
+ .desc("ITB acv");
+ accesses
+ .name(name() + ".accesses")
+ .desc("ITB accesses");
+
+ accesses = hits + misses;
+}
+
+void
+AlphaITB::fault(Addr pc, ExecContext *xc) const
+{
+ if (!xc->misspeculating()) {
+ xc->setMiscReg(AlphaISA::IPR_ITB_TAG, pc);
+ xc->setMiscReg(AlphaISA::IPR_IFAULT_VA_FORM,
+ xc->readMiscReg(AlphaISA::IPR_IVPTBR) |
+ (AlphaISA::VAddr(pc).vpn() << 3));
+ }
+}
+
+
+Fault
+AlphaITB::translate(MemReqPtr &req) const
+{
+ ExecContext *xc = req->xc;
+
+ if (AlphaISA::PcPAL(req->vaddr)) {
+ // strip off PAL PC marker (lsb is 1)
+ req->paddr = (req->vaddr & ~3) & PAddrImplMask;
+ hits++;
+ return NoFault;
+ }
+
+ if (req->flags & PHYSICAL) {
+ req->paddr = req->vaddr;
+ } else {
+ // verify that this is a good virtual address
+ if (!validVirtualAddress(req->vaddr)) {
+ fault(req->vaddr, req->xc);
+ acv++;
+ return new ItbAcvFault;
+ }
+
+
+ // VA<42:41> == 2, VA<39:13> maps directly to PA<39:13> for EV5
+ // VA<47:41> == 0x7e, VA<40:13> maps directly to PA<40:13> for EV6
+#if ALPHA_TLASER
+ if ((MCSR_SP(xc->readMiscReg(AlphaISA::IPR_MCSR)) & 2) &&
+ VAddrSpaceEV5(req->vaddr) == 2) {
+#else
+ if (VAddrSpaceEV6(req->vaddr) == 0x7e) {
+#endif
+ // only valid in kernel mode
+ if (ICM_CM(xc->readMiscReg(AlphaISA::IPR_ICM)) !=
+ AlphaISA::mode_kernel) {
+ fault(req->vaddr, req->xc);
+ acv++;
+ return new ItbAcvFault;
+ }
+
+ req->paddr = req->vaddr & PAddrImplMask;
+
+#if !ALPHA_TLASER
+ // sign extend the physical address properly
+ if (req->paddr & PAddrUncachedBit40)
+ req->paddr |= ULL(0xf0000000000);
+ else
+ req->paddr &= ULL(0xffffffffff);
+#endif
+
+ } else {
+ // not a physical address: need to look up pte
+ int asn = DTB_ASN_ASN(xc->readMiscReg(AlphaISA::IPR_DTB_ASN));
+ AlphaISA::PTE *pte = lookup(AlphaISA::VAddr(req->vaddr).vpn(),
+ asn);
+
+ if (!pte) {
+ fault(req->vaddr, req->xc);
+ misses++;
+ return new ItbPageFault;
+ }
+
+ req->paddr = (pte->ppn << AlphaISA::PageShift) +
+ (AlphaISA::VAddr(req->vaddr).offset() & ~3);
+
+ // check permissions for this access
+ if (!(pte->xre &
+ (1 << ICM_CM(xc->readMiscReg(AlphaISA::IPR_ICM))))) {
+ // instruction access fault
+ fault(req->vaddr, req->xc);
+ acv++;
+ return new ItbAcvFault;
+ }
+
+ hits++;
+ }
+ }
+
+ // check that the physical address is ok (catch bad physical addresses)
+ if (req->paddr & ~PAddrImplMask)
+ return genMachineCheckFault();
+
+ checkCacheability(req);
+
+ return NoFault;
+}
+
+///////////////////////////////////////////////////////////////////////
+//
+// Alpha DTB
+//
+AlphaDTB::AlphaDTB(const std::string &name, int size)
+ : AlphaTLB(name, size)
+{}
+
+void
+AlphaDTB::regStats()
+{
+ read_hits
+ .name(name() + ".read_hits")
+ .desc("DTB read hits")
+ ;
+
+ read_misses
+ .name(name() + ".read_misses")
+ .desc("DTB read misses")
+ ;
+
+ read_acv
+ .name(name() + ".read_acv")
+ .desc("DTB read access violations")
+ ;
+
+ read_accesses
+ .name(name() + ".read_accesses")
+ .desc("DTB read accesses")
+ ;
+
+ write_hits
+ .name(name() + ".write_hits")
+ .desc("DTB write hits")
+ ;
+
+ write_misses
+ .name(name() + ".write_misses")
+ .desc("DTB write misses")
+ ;
+
+ write_acv
+ .name(name() + ".write_acv")
+ .desc("DTB write access violations")
+ ;
+
+ write_accesses
+ .name(name() + ".write_accesses")
+ .desc("DTB write accesses")
+ ;
+
+ hits
+ .name(name() + ".hits")
+ .desc("DTB hits")
+ ;
+
+ misses
+ .name(name() + ".misses")
+ .desc("DTB misses")
+ ;
+
+ acv
+ .name(name() + ".acv")
+ .desc("DTB access violations")
+ ;
+
+ accesses
+ .name(name() + ".accesses")
+ .desc("DTB accesses")
+ ;
+
+ hits = read_hits + write_hits;
+ misses = read_misses + write_misses;
+ acv = read_acv + write_acv;
+ accesses = read_accesses + write_accesses;
+}
+
+void
+AlphaDTB::fault(MemReqPtr &req, uint64_t flags) const
+{
+ ExecContext *xc = req->xc;
+ AlphaISA::VAddr vaddr = req->vaddr;
+
+ // Set fault address and flags. Even though we're modeling an
+ // EV5, we use the EV6 technique of not latching fault registers
+ // on VPTE loads (instead of locking the registers until IPR_VA is
+ // read, like the EV5). The EV6 approach is cleaner and seems to
+ // work with EV5 PAL code, but not the other way around.
+ if (!xc->misspeculating()
+ && !(req->flags & VPTE) && !(req->flags & NO_FAULT)) {
+ // set VA register with faulting address
+ xc->setMiscReg(AlphaISA::IPR_VA, req->vaddr);
+
+ // set MM_STAT register flags
+ xc->setMiscReg(AlphaISA::IPR_MM_STAT,
+ (((Opcode(xc->getInst()) & 0x3f) << 11)
+ | ((Ra(xc->getInst()) & 0x1f) << 6)
+ | (flags & 0x3f)));
+
+ // set VA_FORM register with faulting formatted address
+ xc->setMiscReg(AlphaISA::IPR_VA_FORM,
+ xc->readMiscReg(AlphaISA::IPR_MVPTBR) | (vaddr.vpn() << 3));
+ }
+}
+
+Fault
+AlphaDTB::translate(MemReqPtr &req, bool write) const
+{
- Addr pc = regs->pc;
+ ExecContext *xc = req->xc;
++ Addr pc = xc->readPC();
+
+ AlphaISA::mode_type mode =
+ (AlphaISA::mode_type)DTB_CM_CM(xc->readMiscReg(AlphaISA::IPR_DTB_CM));
+
+
+ /**
+ * Check for alignment faults
+ */
+ if (req->vaddr & (req->size - 1)) {
+ fault(req, write ? MM_STAT_WR_MASK : 0);
+ DPRINTF(TLB, "Alignment Fault on %#x, size = %d", req->vaddr,
+ req->size);
+ return genAlignmentFault();
+ }
+
+ if (pc & 0x1) {
+ mode = (req->flags & ALTMODE) ?
+ (AlphaISA::mode_type)ALT_MODE_AM(
+ xc->readMiscReg(AlphaISA::IPR_ALT_MODE))
+ : AlphaISA::mode_kernel;
+ }
+
+ if (req->flags & PHYSICAL) {
+ req->paddr = req->vaddr;
+ } else {
+ // verify that this is a good virtual address
+ if (!validVirtualAddress(req->vaddr)) {
+ fault(req, (write ? MM_STAT_WR_MASK : 0) |
+ MM_STAT_BAD_VA_MASK |
+ MM_STAT_ACV_MASK);
+
+ if (write) { write_acv++; } else { read_acv++; }
+ return new DtbPageFault;
+ }
+
+ // Check for "superpage" mapping
+#if ALPHA_TLASER
+ if ((MCSR_SP(xc->readMiscReg(AlphaISA::IPR_MCSR)) & 2) &&
+ VAddrSpaceEV5(req->vaddr) == 2) {
+#else
+ if (VAddrSpaceEV6(req->vaddr) == 0x7e) {
+#endif
+
+ // only valid in kernel mode
+ if (DTB_CM_CM(xc->readMiscReg(AlphaISA::IPR_DTB_CM)) !=
+ AlphaISA::mode_kernel) {
+ fault(req, ((write ? MM_STAT_WR_MASK : 0) |
+ MM_STAT_ACV_MASK));
+ if (write) { write_acv++; } else { read_acv++; }
+ return new DtbAcvFault;
+ }
+
+ req->paddr = req->vaddr & PAddrImplMask;
+
+#if !ALPHA_TLASER
+ // sign extend the physical address properly
+ if (req->paddr & PAddrUncachedBit40)
+ req->paddr |= ULL(0xf0000000000);
+ else
+ req->paddr &= ULL(0xffffffffff);
+#endif
+
+ } else {
+ if (write)
+ write_accesses++;
+ else
+ read_accesses++;
+
+ int asn = DTB_ASN_ASN(xc->readMiscReg(AlphaISA::IPR_DTB_ASN));
+
+ // not a physical address: need to look up pte
+ AlphaISA::PTE *pte = lookup(AlphaISA::VAddr(req->vaddr).vpn(),
+ asn);
+
+ if (!pte) {
+ // page fault
+ fault(req, (write ? MM_STAT_WR_MASK : 0) |
+ MM_STAT_DTB_MISS_MASK);
+ if (write) { write_misses++; } else { read_misses++; }
+ return (req->flags & VPTE) ?
+ (Fault)(new PDtbMissFault) :
+ (Fault)(new NDtbMissFault);
+ }
+
+ req->paddr = (pte->ppn << AlphaISA::PageShift) +
+ AlphaISA::VAddr(req->vaddr).offset();
+
+ if (write) {
+ if (!(pte->xwe & MODE2MASK(mode))) {
+ // declare the instruction access fault
+ fault(req, MM_STAT_WR_MASK |
+ MM_STAT_ACV_MASK |
+ (pte->fonw ? MM_STAT_FONW_MASK : 0));
+ write_acv++;
+ return new DtbPageFault;
+ }
+ if (pte->fonw) {
+ fault(req, MM_STAT_WR_MASK |
+ MM_STAT_FONW_MASK);
+ write_acv++;
+ return new DtbPageFault;
+ }
+ } else {
+ if (!(pte->xre & MODE2MASK(mode))) {
+ fault(req, MM_STAT_ACV_MASK |
+ (pte->fonr ? MM_STAT_FONR_MASK : 0));
+ read_acv++;
+ return new DtbAcvFault;
+ }
+ if (pte->fonr) {
+ fault(req, MM_STAT_FONR_MASK);
+ read_acv++;
+ return new DtbPageFault;
+ }
+ }
+ }
+
+ if (write)
+ write_hits++;
+ else
+ read_hits++;
+ }
+
+ // check that the physical address is ok (catch bad physical addresses)
+ if (req->paddr & ~PAddrImplMask)
+ return genMachineCheckFault();
+
+ checkCacheability(req);
+
+ return NoFault;
+}
+
+AlphaISA::PTE &
+AlphaTLB::index(bool advance)
+{
+ AlphaISA::PTE *pte = &table[nlu];
+
+ if (advance)
+ nextnlu();
+
+ return *pte;
+}
+
+DEFINE_SIM_OBJECT_CLASS_NAME("AlphaTLB", AlphaTLB)
+
+BEGIN_DECLARE_SIM_OBJECT_PARAMS(AlphaITB)
+
+ Param<int> size;
+
+END_DECLARE_SIM_OBJECT_PARAMS(AlphaITB)
+
+BEGIN_INIT_SIM_OBJECT_PARAMS(AlphaITB)
+
+ INIT_PARAM_DFLT(size, "TLB size", 48)
+
+END_INIT_SIM_OBJECT_PARAMS(AlphaITB)
+
+
+CREATE_SIM_OBJECT(AlphaITB)
+{
+ return new AlphaITB(getInstanceName(), size);
+}
+
+REGISTER_SIM_OBJECT("AlphaITB", AlphaITB)
+
+BEGIN_DECLARE_SIM_OBJECT_PARAMS(AlphaDTB)
+
+ Param<int> size;
+
+END_DECLARE_SIM_OBJECT_PARAMS(AlphaDTB)
+
+BEGIN_INIT_SIM_OBJECT_PARAMS(AlphaDTB)
+
+ INIT_PARAM_DFLT(size, "TLB size", 64)
+
+END_INIT_SIM_OBJECT_PARAMS(AlphaDTB)
+
+
+CREATE_SIM_OBJECT(AlphaDTB)
+{
+ return new AlphaDTB(getInstanceName(), size);
+}
+
+REGISTER_SIM_OBJECT("AlphaDTB", AlphaDTB)
+
--- /dev/null
- name.copyOut(xc->mem);
+/*
+ * Copyright (c) 2001-2005 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.
+ */
+
+#include "arch/alpha/isa_traits.hh"
+#include "arch/alpha/common_syscall_emul.hh"
+#include "arch/alpha/tru64_process.hh"
+#include "cpu/exec_context.hh"
+#include "kern/tru64/tru64.hh"
+#include "mem/functional/functional.hh"
+#include "sim/fake_syscall.hh"
+#include "sim/process.hh"
+#include "sim/syscall_emul.hh"
+
+using namespace std;
+using namespace AlphaISA;
+
+/// Target uname() handler.
+static SyscallReturn
+unameFunc(SyscallDesc *desc, int callnum, Process *process,
+ ExecContext *xc)
+{
+ TypedBufferArg<Tru64::utsname> name(xc->getSyscallArg(0));
+
+ strcpy(name->sysname, "OSF1");
+ strcpy(name->nodename, "m5.eecs.umich.edu");
+ strcpy(name->release, "V5.1");
+ strcpy(name->version, "732");
+ strcpy(name->machine, "alpha");
+
- max_cpu.copyOut(xc->mem);
++ name.copyOut(xc->getMemPtr());
+ return 0;
+}
+
+/// Target getsysyinfo() handler.
+static SyscallReturn
+getsysinfoFunc(SyscallDesc *desc, int callnum, Process *process,
+ ExecContext *xc)
+{
+ unsigned op = xc->getSyscallArg(0);
+ unsigned nbytes = xc->getSyscallArg(2);
+
+ switch (op) {
+
+ case Tru64::GSI_MAX_CPU: {
+ TypedBufferArg<uint32_t> max_cpu(xc->getSyscallArg(1));
+ *max_cpu = htog((uint32_t)process->numCpus());
- cpus_in_box.copyOut(xc->mem);
++ max_cpu.copyOut(xc->getMemPtr());
+ return 1;
+ }
+
+ case Tru64::GSI_CPUS_IN_BOX: {
+ TypedBufferArg<uint32_t> cpus_in_box(xc->getSyscallArg(1));
+ *cpus_in_box = htog((uint32_t)process->numCpus());
- physmem.copyOut(xc->mem);
++ cpus_in_box.copyOut(xc->getMemPtr());
+ return 1;
+ }
+
+ case Tru64::GSI_PHYSMEM: {
+ TypedBufferArg<uint64_t> physmem(xc->getSyscallArg(1));
+ *physmem = htog((uint64_t)1024 * 1024); // physical memory in KB
- infop.copyOut(xc->mem);
++ physmem.copyOut(xc->getMemPtr());
+ return 1;
+ }
+
+ case Tru64::GSI_CPU_INFO: {
+ TypedBufferArg<Tru64::cpu_info> infop(xc->getSyscallArg(1));
+
+ infop->current_cpu = htog(0);
+ infop->cpus_in_box = htog(process->numCpus());
+ infop->cpu_type = htog(57);
+ infop->ncpus = htog(process->numCpus());
+ uint64_t cpumask = (1 << process->numCpus()) - 1;
+ infop->cpus_present = infop->cpus_running = htog(cpumask);
+ infop->cpu_binding = htog(0);
+ infop->cpu_ex_binding = htog(0);
+ infop->mhz = htog(667);
+
- proc_type.copyOut(xc->mem);
++ infop.copyOut(xc->getMemPtr());
+ return 1;
+ }
+
+ case Tru64::GSI_PROC_TYPE: {
+ TypedBufferArg<uint64_t> proc_type(xc->getSyscallArg(1));
+ *proc_type = htog((uint64_t)11);
- bufArg.copyOut(xc->mem);
++ proc_type.copyOut(xc->getMemPtr());
+ return 1;
+ }
+
+ case Tru64::GSI_PLATFORM_NAME: {
+ BufferArg bufArg(xc->getSyscallArg(1), nbytes);
+ strncpy((char *)bufArg.bufferPtr(),
+ "COMPAQ Professional Workstation XP1000",
+ nbytes);
- clk_hz.copyOut(xc->mem);
++ bufArg.copyOut(xc->getMemPtr());
+ return 1;
+ }
+
+ case Tru64::GSI_CLK_TCK: {
+ TypedBufferArg<uint64_t> clk_hz(xc->getSyscallArg(1));
+ *clk_hz = htog((uint64_t)1024);
++ clk_hz.copyOut(xc->getMemPtr());
+ return 1;
+ }
+
+ default:
+ warn("getsysinfo: unknown op %d\n", op);
+ break;
+ }
+
+ return 0;
+}
+
+/// Target setsysyinfo() handler.
+static SyscallReturn
+setsysinfoFunc(SyscallDesc *desc, int callnum, Process *process,
+ ExecContext *xc)
+{
+ unsigned op = xc->getSyscallArg(0);
+
+ switch (op) {
+ case Tru64::SSI_IEEE_FP_CONTROL:
+ warn("setsysinfo: ignoring ieee_set_fp_control() arg 0x%x\n",
+ xc->getSyscallArg(1));
+ break;
+
+ default:
+ warn("setsysinfo: unknown op %d\n", op);
+ break;
+ }
+
+ return 0;
+}
+
+
+SyscallDesc AlphaTru64Process::syscallDescs[] = {
+ /* 0 */ SyscallDesc("syscall (#0)", Tru64::indirectSyscallFunc,
+ SyscallDesc::SuppressReturnValue),
+ /* 1 */ SyscallDesc("exit", exitFunc),
+ /* 2 */ SyscallDesc("fork", unimplementedFunc),
+ /* 3 */ SyscallDesc("read", readFunc),
+ /* 4 */ SyscallDesc("write", writeFunc),
+ /* 5 */ SyscallDesc("old_open", unimplementedFunc),
+ /* 6 */ SyscallDesc("close", closeFunc),
+ /* 7 */ SyscallDesc("wait4", unimplementedFunc),
+ /* 8 */ SyscallDesc("old_creat", unimplementedFunc),
+ /* 9 */ SyscallDesc("link", unimplementedFunc),
+ /* 10 */ SyscallDesc("unlink", unlinkFunc),
+ /* 11 */ SyscallDesc("execv", unimplementedFunc),
+ /* 12 */ SyscallDesc("chdir", unimplementedFunc),
+ /* 13 */ SyscallDesc("fchdir", unimplementedFunc),
+ /* 14 */ SyscallDesc("mknod", unimplementedFunc),
+ /* 15 */ SyscallDesc("chmod", unimplementedFunc),
+ /* 16 */ SyscallDesc("chown", unimplementedFunc),
+ /* 17 */ SyscallDesc("obreak", obreakFunc),
+ /* 18 */ SyscallDesc("pre_F64_getfsstat", unimplementedFunc),
+ /* 19 */ SyscallDesc("lseek", lseekFunc),
+ /* 20 */ SyscallDesc("getpid", getpidFunc),
+ /* 21 */ SyscallDesc("mount", unimplementedFunc),
+ /* 22 */ SyscallDesc("unmount", unimplementedFunc),
+ /* 23 */ SyscallDesc("setuid", setuidFunc),
+ /* 24 */ SyscallDesc("getuid", getuidFunc),
+ /* 25 */ SyscallDesc("exec_with_loader", unimplementedFunc),
+ /* 26 */ SyscallDesc("ptrace", unimplementedFunc),
+ /* 27 */ SyscallDesc("recvmsg", unimplementedFunc),
+ /* 28 */ SyscallDesc("sendmsg", unimplementedFunc),
+ /* 29 */ SyscallDesc("recvfrom", unimplementedFunc),
+ /* 30 */ SyscallDesc("accept", unimplementedFunc),
+ /* 31 */ SyscallDesc("getpeername", unimplementedFunc),
+ /* 32 */ SyscallDesc("getsockname", unimplementedFunc),
+ /* 33 */ SyscallDesc("access", unimplementedFunc),
+ /* 34 */ SyscallDesc("chflags", unimplementedFunc),
+ /* 35 */ SyscallDesc("fchflags", unimplementedFunc),
+ /* 36 */ SyscallDesc("sync", unimplementedFunc),
+ /* 37 */ SyscallDesc("kill", unimplementedFunc),
+ /* 38 */ SyscallDesc("old_stat", unimplementedFunc),
+ /* 39 */ SyscallDesc("setpgid", unimplementedFunc),
+ /* 40 */ SyscallDesc("old_lstat", unimplementedFunc),
+ /* 41 */ SyscallDesc("dup", unimplementedFunc),
+ /* 42 */ SyscallDesc("pipe", unimplementedFunc),
+ /* 43 */ SyscallDesc("set_program_attributes", unimplementedFunc),
+ /* 44 */ SyscallDesc("profil", unimplementedFunc),
+ /* 45 */ SyscallDesc("open", openFunc<Tru64>),
+ /* 46 */ SyscallDesc("obsolete osigaction", unimplementedFunc),
+ /* 47 */ SyscallDesc("getgid", getgidFunc),
+ /* 48 */ SyscallDesc("sigprocmask", ignoreFunc),
+ /* 49 */ SyscallDesc("getlogin", unimplementedFunc),
+ /* 50 */ SyscallDesc("setlogin", unimplementedFunc),
+ /* 51 */ SyscallDesc("acct", unimplementedFunc),
+ /* 52 */ SyscallDesc("sigpending", unimplementedFunc),
+ /* 53 */ SyscallDesc("classcntl", unimplementedFunc),
+ /* 54 */ SyscallDesc("ioctl", ioctlFunc<Tru64>),
+ /* 55 */ SyscallDesc("reboot", unimplementedFunc),
+ /* 56 */ SyscallDesc("revoke", unimplementedFunc),
+ /* 57 */ SyscallDesc("symlink", unimplementedFunc),
+ /* 58 */ SyscallDesc("readlink", unimplementedFunc),
+ /* 59 */ SyscallDesc("execve", unimplementedFunc),
+ /* 60 */ SyscallDesc("umask", unimplementedFunc),
+ /* 61 */ SyscallDesc("chroot", unimplementedFunc),
+ /* 62 */ SyscallDesc("old_fstat", unimplementedFunc),
+ /* 63 */ SyscallDesc("getpgrp", unimplementedFunc),
+ /* 64 */ SyscallDesc("getpagesize", getpagesizeFunc),
+ /* 65 */ SyscallDesc("mremap", unimplementedFunc),
+ /* 66 */ SyscallDesc("vfork", unimplementedFunc),
+ /* 67 */ SyscallDesc("pre_F64_stat", statFunc<Tru64::PreF64>),
+ /* 68 */ SyscallDesc("pre_F64_lstat", lstatFunc<Tru64::PreF64>),
+ /* 69 */ SyscallDesc("sbrk", unimplementedFunc),
+ /* 70 */ SyscallDesc("sstk", unimplementedFunc),
+ /* 71 */ SyscallDesc("mmap", mmapFunc<Tru64>),
+ /* 72 */ SyscallDesc("ovadvise", unimplementedFunc),
+ /* 73 */ SyscallDesc("munmap", munmapFunc),
+ /* 74 */ SyscallDesc("mprotect", ignoreFunc),
+ /* 75 */ SyscallDesc("madvise", unimplementedFunc),
+ /* 76 */ SyscallDesc("old_vhangup", unimplementedFunc),
+ /* 77 */ SyscallDesc("kmodcall", unimplementedFunc),
+ /* 78 */ SyscallDesc("mincore", unimplementedFunc),
+ /* 79 */ SyscallDesc("getgroups", unimplementedFunc),
+ /* 80 */ SyscallDesc("setgroups", unimplementedFunc),
+ /* 81 */ SyscallDesc("old_getpgrp", unimplementedFunc),
+ /* 82 */ SyscallDesc("setpgrp", unimplementedFunc),
+ /* 83 */ SyscallDesc("setitimer", unimplementedFunc),
+ /* 84 */ SyscallDesc("old_wait", unimplementedFunc),
+ /* 85 */ SyscallDesc("table", Tru64::tableFunc),
+ /* 86 */ SyscallDesc("getitimer", unimplementedFunc),
+ /* 87 */ SyscallDesc("gethostname", gethostnameFunc),
+ /* 88 */ SyscallDesc("sethostname", unimplementedFunc),
+ /* 89 */ SyscallDesc("getdtablesize", unimplementedFunc),
+ /* 90 */ SyscallDesc("dup2", unimplementedFunc),
+ /* 91 */ SyscallDesc("pre_F64_fstat", fstatFunc<Tru64::PreF64>),
+ /* 92 */ SyscallDesc("fcntl", fcntlFunc),
+ /* 93 */ SyscallDesc("select", unimplementedFunc),
+ /* 94 */ SyscallDesc("poll", unimplementedFunc),
+ /* 95 */ SyscallDesc("fsync", unimplementedFunc),
+ /* 96 */ SyscallDesc("setpriority", unimplementedFunc),
+ /* 97 */ SyscallDesc("socket", unimplementedFunc),
+ /* 98 */ SyscallDesc("connect", unimplementedFunc),
+ /* 99 */ SyscallDesc("old_accept", unimplementedFunc),
+ /* 100 */ SyscallDesc("getpriority", unimplementedFunc),
+ /* 101 */ SyscallDesc("old_send", unimplementedFunc),
+ /* 102 */ SyscallDesc("old_recv", unimplementedFunc),
+ /* 103 */ SyscallDesc("sigreturn", Tru64::sigreturnFunc,
+ SyscallDesc::SuppressReturnValue),
+ /* 104 */ SyscallDesc("bind", unimplementedFunc),
+ /* 105 */ SyscallDesc("setsockopt", unimplementedFunc),
+ /* 106 */ SyscallDesc("listen", unimplementedFunc),
+ /* 107 */ SyscallDesc("plock", unimplementedFunc),
+ /* 108 */ SyscallDesc("old_sigvec", unimplementedFunc),
+ /* 109 */ SyscallDesc("old_sigblock", unimplementedFunc),
+ /* 110 */ SyscallDesc("old_sigsetmask", unimplementedFunc),
+ /* 111 */ SyscallDesc("sigsuspend", unimplementedFunc),
+ /* 112 */ SyscallDesc("sigstack", ignoreFunc),
+ /* 113 */ SyscallDesc("old_recvmsg", unimplementedFunc),
+ /* 114 */ SyscallDesc("old_sendmsg", unimplementedFunc),
+ /* 115 */ SyscallDesc("obsolete vtrace", unimplementedFunc),
+ /* 116 */ SyscallDesc("gettimeofday", gettimeofdayFunc<Tru64>),
+ /* 117 */ SyscallDesc("getrusage", getrusageFunc<Tru64>),
+ /* 118 */ SyscallDesc("getsockopt", unimplementedFunc),
+ /* 119 */ SyscallDesc("numa_syscalls", unimplementedFunc),
+ /* 120 */ SyscallDesc("readv", unimplementedFunc),
+ /* 121 */ SyscallDesc("writev", unimplementedFunc),
+ /* 122 */ SyscallDesc("settimeofday", unimplementedFunc),
+ /* 123 */ SyscallDesc("fchown", unimplementedFunc),
+ /* 124 */ SyscallDesc("fchmod", unimplementedFunc),
+ /* 125 */ SyscallDesc("old_recvfrom", unimplementedFunc),
+ /* 126 */ SyscallDesc("setreuid", unimplementedFunc),
+ /* 127 */ SyscallDesc("setregid", unimplementedFunc),
+ /* 128 */ SyscallDesc("rename", renameFunc),
+ /* 129 */ SyscallDesc("truncate", truncateFunc),
+ /* 130 */ SyscallDesc("ftruncate", ftruncateFunc),
+ /* 131 */ SyscallDesc("flock", unimplementedFunc),
+ /* 132 */ SyscallDesc("setgid", unimplementedFunc),
+ /* 133 */ SyscallDesc("sendto", unimplementedFunc),
+ /* 134 */ SyscallDesc("shutdown", unimplementedFunc),
+ /* 135 */ SyscallDesc("socketpair", unimplementedFunc),
+ /* 136 */ SyscallDesc("mkdir", unimplementedFunc),
+ /* 137 */ SyscallDesc("rmdir", unimplementedFunc),
+ /* 138 */ SyscallDesc("utimes", unimplementedFunc),
+ /* 139 */ SyscallDesc("obsolete 4.2 sigreturn", unimplementedFunc),
+ /* 140 */ SyscallDesc("adjtime", unimplementedFunc),
+ /* 141 */ SyscallDesc("old_getpeername", unimplementedFunc),
+ /* 142 */ SyscallDesc("gethostid", unimplementedFunc),
+ /* 143 */ SyscallDesc("sethostid", unimplementedFunc),
+ /* 144 */ SyscallDesc("getrlimit", getrlimitFunc<Tru64>),
+ /* 145 */ SyscallDesc("setrlimit", ignoreFunc),
+ /* 146 */ SyscallDesc("old_killpg", unimplementedFunc),
+ /* 147 */ SyscallDesc("setsid", unimplementedFunc),
+ /* 148 */ SyscallDesc("quotactl", unimplementedFunc),
+ /* 149 */ SyscallDesc("oldquota", unimplementedFunc),
+ /* 150 */ SyscallDesc("old_getsockname", unimplementedFunc),
+ /* 151 */ SyscallDesc("pread", unimplementedFunc),
+ /* 152 */ SyscallDesc("pwrite", unimplementedFunc),
+ /* 153 */ SyscallDesc("pid_block", unimplementedFunc),
+ /* 154 */ SyscallDesc("pid_unblock", unimplementedFunc),
+ /* 155 */ SyscallDesc("signal_urti", unimplementedFunc),
+ /* 156 */ SyscallDesc("sigaction", ignoreFunc),
+ /* 157 */ SyscallDesc("sigwaitprim", unimplementedFunc),
+ /* 158 */ SyscallDesc("nfssvc", unimplementedFunc),
+ /* 159 */ SyscallDesc("getdirentries", Tru64::getdirentriesFunc),
+ /* 160 */ SyscallDesc("pre_F64_statfs", statfsFunc<Tru64::PreF64>),
+ /* 161 */ SyscallDesc("pre_F64_fstatfs", fstatfsFunc<Tru64::PreF64>),
+ /* 162 */ SyscallDesc("unknown #162", unimplementedFunc),
+ /* 163 */ SyscallDesc("async_daemon", unimplementedFunc),
+ /* 164 */ SyscallDesc("getfh", unimplementedFunc),
+ /* 165 */ SyscallDesc("getdomainname", unimplementedFunc),
+ /* 166 */ SyscallDesc("setdomainname", unimplementedFunc),
+ /* 167 */ SyscallDesc("unknown #167", unimplementedFunc),
+ /* 168 */ SyscallDesc("unknown #168", unimplementedFunc),
+ /* 169 */ SyscallDesc("exportfs", unimplementedFunc),
+ /* 170 */ SyscallDesc("unknown #170", unimplementedFunc),
+ /* 171 */ SyscallDesc("unknown #171", unimplementedFunc),
+ /* 172 */ SyscallDesc("unknown #172", unimplementedFunc),
+ /* 173 */ SyscallDesc("unknown #173", unimplementedFunc),
+ /* 174 */ SyscallDesc("unknown #174", unimplementedFunc),
+ /* 175 */ SyscallDesc("unknown #175", unimplementedFunc),
+ /* 176 */ SyscallDesc("unknown #176", unimplementedFunc),
+ /* 177 */ SyscallDesc("unknown #177", unimplementedFunc),
+ /* 178 */ SyscallDesc("unknown #178", unimplementedFunc),
+ /* 179 */ SyscallDesc("unknown #179", unimplementedFunc),
+ /* 180 */ SyscallDesc("unknown #180", unimplementedFunc),
+ /* 181 */ SyscallDesc("alt_plock", unimplementedFunc),
+ /* 182 */ SyscallDesc("unknown #182", unimplementedFunc),
+ /* 183 */ SyscallDesc("unknown #183", unimplementedFunc),
+ /* 184 */ SyscallDesc("getmnt", unimplementedFunc),
+ /* 185 */ SyscallDesc("unknown #185", unimplementedFunc),
+ /* 186 */ SyscallDesc("unknown #186", unimplementedFunc),
+ /* 187 */ SyscallDesc("alt_sigpending", unimplementedFunc),
+ /* 188 */ SyscallDesc("alt_setsid", unimplementedFunc),
+ /* 189 */ SyscallDesc("unknown #189", unimplementedFunc),
+ /* 190 */ SyscallDesc("unknown #190", unimplementedFunc),
+ /* 191 */ SyscallDesc("unknown #191", unimplementedFunc),
+ /* 192 */ SyscallDesc("unknown #192", unimplementedFunc),
+ /* 193 */ SyscallDesc("unknown #193", unimplementedFunc),
+ /* 194 */ SyscallDesc("unknown #194", unimplementedFunc),
+ /* 195 */ SyscallDesc("unknown #195", unimplementedFunc),
+ /* 196 */ SyscallDesc("unknown #196", unimplementedFunc),
+ /* 197 */ SyscallDesc("unknown #197", unimplementedFunc),
+ /* 198 */ SyscallDesc("unknown #198", unimplementedFunc),
+ /* 199 */ SyscallDesc("swapon", unimplementedFunc),
+ /* 200 */ SyscallDesc("msgctl", unimplementedFunc),
+ /* 201 */ SyscallDesc("msgget", unimplementedFunc),
+ /* 202 */ SyscallDesc("msgrcv", unimplementedFunc),
+ /* 203 */ SyscallDesc("msgsnd", unimplementedFunc),
+ /* 204 */ SyscallDesc("semctl", unimplementedFunc),
+ /* 205 */ SyscallDesc("semget", unimplementedFunc),
+ /* 206 */ SyscallDesc("semop", unimplementedFunc),
+ /* 207 */ SyscallDesc("uname", unameFunc),
+ /* 208 */ SyscallDesc("lchown", unimplementedFunc),
+ /* 209 */ SyscallDesc("shmat", unimplementedFunc),
+ /* 210 */ SyscallDesc("shmctl", unimplementedFunc),
+ /* 211 */ SyscallDesc("shmdt", unimplementedFunc),
+ /* 212 */ SyscallDesc("shmget", unimplementedFunc),
+ /* 213 */ SyscallDesc("mvalid", unimplementedFunc),
+ /* 214 */ SyscallDesc("getaddressconf", unimplementedFunc),
+ /* 215 */ SyscallDesc("msleep", unimplementedFunc),
+ /* 216 */ SyscallDesc("mwakeup", unimplementedFunc),
+ /* 217 */ SyscallDesc("msync", unimplementedFunc),
+ /* 218 */ SyscallDesc("signal", unimplementedFunc),
+ /* 219 */ SyscallDesc("utc_gettime", unimplementedFunc),
+ /* 220 */ SyscallDesc("utc_adjtime", unimplementedFunc),
+ /* 221 */ SyscallDesc("unknown #221", unimplementedFunc),
+ /* 222 */ SyscallDesc("security", unimplementedFunc),
+ /* 223 */ SyscallDesc("kloadcall", unimplementedFunc),
+ /* 224 */ SyscallDesc("stat", statFunc<Tru64::F64>),
+ /* 225 */ SyscallDesc("lstat", lstatFunc<Tru64::F64>),
+ /* 226 */ SyscallDesc("fstat", fstatFunc<Tru64::F64>),
+ /* 227 */ SyscallDesc("statfs", statfsFunc<Tru64::F64>),
+ /* 228 */ SyscallDesc("fstatfs", fstatfsFunc<Tru64::F64>),
+ /* 229 */ SyscallDesc("getfsstat", unimplementedFunc),
+ /* 230 */ SyscallDesc("gettimeofday64", unimplementedFunc),
+ /* 231 */ SyscallDesc("settimeofday64", unimplementedFunc),
+ /* 232 */ SyscallDesc("unknown #232", unimplementedFunc),
+ /* 233 */ SyscallDesc("getpgid", unimplementedFunc),
+ /* 234 */ SyscallDesc("getsid", unimplementedFunc),
+ /* 235 */ SyscallDesc("sigaltstack", ignoreFunc),
+ /* 236 */ SyscallDesc("waitid", unimplementedFunc),
+ /* 237 */ SyscallDesc("priocntlset", unimplementedFunc),
+ /* 238 */ SyscallDesc("sigsendset", unimplementedFunc),
+ /* 239 */ SyscallDesc("set_speculative", unimplementedFunc),
+ /* 240 */ SyscallDesc("msfs_syscall", unimplementedFunc),
+ /* 241 */ SyscallDesc("sysinfo", unimplementedFunc),
+ /* 242 */ SyscallDesc("uadmin", unimplementedFunc),
+ /* 243 */ SyscallDesc("fuser", unimplementedFunc),
+ /* 244 */ SyscallDesc("proplist_syscall", unimplementedFunc),
+ /* 245 */ SyscallDesc("ntp_adjtime", unimplementedFunc),
+ /* 246 */ SyscallDesc("ntp_gettime", unimplementedFunc),
+ /* 247 */ SyscallDesc("pathconf", unimplementedFunc),
+ /* 248 */ SyscallDesc("fpathconf", unimplementedFunc),
+ /* 249 */ SyscallDesc("sync2", unimplementedFunc),
+ /* 250 */ SyscallDesc("uswitch", unimplementedFunc),
+ /* 251 */ SyscallDesc("usleep_thread", unimplementedFunc),
+ /* 252 */ SyscallDesc("audcntl", unimplementedFunc),
+ /* 253 */ SyscallDesc("audgen", unimplementedFunc),
+ /* 254 */ SyscallDesc("sysfs", unimplementedFunc),
+ /* 255 */ SyscallDesc("subsys_info", unimplementedFunc),
+ /* 256 */ SyscallDesc("getsysinfo", getsysinfoFunc),
+ /* 257 */ SyscallDesc("setsysinfo", setsysinfoFunc),
+ /* 258 */ SyscallDesc("afs_syscall", unimplementedFunc),
+ /* 259 */ SyscallDesc("swapctl", unimplementedFunc),
+ /* 260 */ SyscallDesc("memcntl", unimplementedFunc),
+ /* 261 */ SyscallDesc("fdatasync", unimplementedFunc),
+ /* 262 */ SyscallDesc("oflock", unimplementedFunc),
+ /* 263 */ SyscallDesc("F64_readv", unimplementedFunc),
+ /* 264 */ SyscallDesc("F64_writev", unimplementedFunc),
+ /* 265 */ SyscallDesc("cdslxlate", unimplementedFunc),
+ /* 266 */ SyscallDesc("sendfile", unimplementedFunc),
+};
+
+
+
+SyscallDesc AlphaTru64Process::machSyscallDescs[] = {
+ /* 0 */ SyscallDesc("kern_invalid", unimplementedFunc),
+ /* 1 */ SyscallDesc("m5_mutex_lock", Tru64::m5_mutex_lockFunc),
+ /* 2 */ SyscallDesc("m5_mutex_trylock", Tru64::m5_mutex_trylockFunc),
+ /* 3 */ SyscallDesc("m5_mutex_unlock", Tru64::m5_mutex_unlockFunc),
+ /* 4 */ SyscallDesc("m5_cond_signal", Tru64::m5_cond_signalFunc),
+ /* 5 */ SyscallDesc("m5_cond_broadcast", Tru64::m5_cond_broadcastFunc),
+ /* 6 */ SyscallDesc("m5_cond_wait", Tru64::m5_cond_waitFunc),
+ /* 7 */ SyscallDesc("m5_thread_exit", Tru64::m5_thread_exitFunc),
+ /* 8 */ SyscallDesc("kern_invalid", unimplementedFunc),
+ /* 9 */ SyscallDesc("kern_invalid", unimplementedFunc),
+ /* 10 */ SyscallDesc("task_self", unimplementedFunc),
+ /* 11 */ SyscallDesc("thread_reply", unimplementedFunc),
+ /* 12 */ SyscallDesc("task_notify", unimplementedFunc),
+ /* 13 */ SyscallDesc("thread_self", unimplementedFunc),
+ /* 14 */ SyscallDesc("kern_invalid", unimplementedFunc),
+ /* 15 */ SyscallDesc("kern_invalid", unimplementedFunc),
+ /* 16 */ SyscallDesc("kern_invalid", unimplementedFunc),
+ /* 17 */ SyscallDesc("kern_invalid", unimplementedFunc),
+ /* 18 */ SyscallDesc("kern_invalid", unimplementedFunc),
+ /* 19 */ SyscallDesc("kern_invalid", unimplementedFunc),
+ /* 20 */ SyscallDesc("msg_send_trap", unimplementedFunc),
+ /* 21 */ SyscallDesc("msg_receive_trap", unimplementedFunc),
+ /* 22 */ SyscallDesc("msg_rpc_trap", unimplementedFunc),
+ /* 23 */ SyscallDesc("kern_invalid", unimplementedFunc),
+ /* 24 */ SyscallDesc("nxm_block", Tru64::nxm_blockFunc),
+ /* 25 */ SyscallDesc("nxm_unblock", Tru64::nxm_unblockFunc),
+ /* 26 */ SyscallDesc("kern_invalid", unimplementedFunc),
+ /* 27 */ SyscallDesc("kern_invalid", unimplementedFunc),
+ /* 28 */ SyscallDesc("kern_invalid", unimplementedFunc),
+ /* 29 */ SyscallDesc("nxm_thread_destroy", unimplementedFunc),
+ /* 30 */ SyscallDesc("lw_wire", unimplementedFunc),
+ /* 31 */ SyscallDesc("lw_unwire", unimplementedFunc),
+ /* 32 */ SyscallDesc("nxm_thread_create", Tru64::nxm_thread_createFunc),
+ /* 33 */ SyscallDesc("nxm_task_init", Tru64::nxm_task_initFunc),
+ /* 34 */ SyscallDesc("kern_invalid", unimplementedFunc),
+ /* 35 */ SyscallDesc("nxm_idle", Tru64::nxm_idleFunc),
+ /* 36 */ SyscallDesc("nxm_wakeup_idle", unimplementedFunc),
+ /* 37 */ SyscallDesc("nxm_set_pthid", unimplementedFunc),
+ /* 38 */ SyscallDesc("nxm_thread_kill", unimplementedFunc),
+ /* 39 */ SyscallDesc("nxm_thread_block", Tru64::nxm_thread_blockFunc),
+ /* 40 */ SyscallDesc("nxm_thread_wakeup", unimplementedFunc),
+ /* 41 */ SyscallDesc("init_process", unimplementedFunc),
+ /* 42 */ SyscallDesc("nxm_get_binding", unimplementedFunc),
+ /* 43 */ SyscallDesc("map_fd", unimplementedFunc),
+ /* 44 */ SyscallDesc("nxm_resched", unimplementedFunc),
+ /* 45 */ SyscallDesc("nxm_set_cancel", unimplementedFunc),
+ /* 46 */ SyscallDesc("nxm_set_binding", unimplementedFunc),
+ /* 47 */ SyscallDesc("stack_create", Tru64::stack_createFunc),
+ /* 48 */ SyscallDesc("nxm_get_state", unimplementedFunc),
+ /* 49 */ SyscallDesc("nxm_thread_suspend", unimplementedFunc),
+ /* 50 */ SyscallDesc("nxm_thread_resume", unimplementedFunc),
+ /* 51 */ SyscallDesc("nxm_signal_check", unimplementedFunc),
+ /* 52 */ SyscallDesc("htg_unix_syscall", unimplementedFunc),
+ /* 53 */ SyscallDesc("kern_invalid", unimplementedFunc),
+ /* 54 */ SyscallDesc("kern_invalid", unimplementedFunc),
+ /* 55 */ SyscallDesc("host_self", unimplementedFunc),
+ /* 56 */ SyscallDesc("host_priv_self", unimplementedFunc),
+ /* 57 */ SyscallDesc("kern_invalid", unimplementedFunc),
+ /* 58 */ SyscallDesc("kern_invalid", unimplementedFunc),
+ /* 59 */ SyscallDesc("swtch_pri", Tru64::swtch_priFunc),
+ /* 60 */ SyscallDesc("swtch", unimplementedFunc),
+ /* 61 */ SyscallDesc("thread_switch", unimplementedFunc),
+ /* 62 */ SyscallDesc("semop_fast", unimplementedFunc),
+ /* 63 */ SyscallDesc("nxm_pshared_init", unimplementedFunc),
+ /* 64 */ SyscallDesc("nxm_pshared_block", unimplementedFunc),
+ /* 65 */ SyscallDesc("nxm_pshared_unblock", unimplementedFunc),
+ /* 66 */ SyscallDesc("nxm_pshared_destroy", unimplementedFunc),
+ /* 67 */ SyscallDesc("nxm_swtch_pri", Tru64::swtch_priFunc),
+ /* 68 */ SyscallDesc("lw_syscall", unimplementedFunc),
+ /* 69 */ SyscallDesc("kern_invalid", unimplementedFunc),
+ /* 70 */ SyscallDesc("mach_sctimes_0", unimplementedFunc),
+ /* 71 */ SyscallDesc("mach_sctimes_1", unimplementedFunc),
+ /* 72 */ SyscallDesc("mach_sctimes_2", unimplementedFunc),
+ /* 73 */ SyscallDesc("mach_sctimes_3", unimplementedFunc),
+ /* 74 */ SyscallDesc("mach_sctimes_4", unimplementedFunc),
+ /* 75 */ SyscallDesc("mach_sctimes_5", unimplementedFunc),
+ /* 76 */ SyscallDesc("mach_sctimes_6", unimplementedFunc),
+ /* 77 */ SyscallDesc("mach_sctimes_7", unimplementedFunc),
+ /* 78 */ SyscallDesc("mach_sctimes_8", unimplementedFunc),
+ /* 79 */ SyscallDesc("mach_sctimes_9", unimplementedFunc),
+ /* 80 */ SyscallDesc("mach_sctimes_10", unimplementedFunc),
+ /* 81 */ SyscallDesc("mach_sctimes_11", unimplementedFunc),
+ /* 82 */ SyscallDesc("mach_sctimes_port_alloc_dealloc", unimplementedFunc)
+};
+
+SyscallDesc*
+AlphaTru64Process::getDesc(int callnum)
+{
+ if (callnum < -Num_Mach_Syscall_Descs || callnum > Num_Syscall_Descs)
+ return NULL;
+
+ if (callnum < 0)
+ return &machSyscallDescs[-callnum];
+ else
+ return &syscallDescs[callnum];
+}
+
+
+AlphaTru64Process::AlphaTru64Process(const std::string &name,
+ ObjectFile *objFile,
+ int stdin_fd,
+ int stdout_fd,
+ int stderr_fd,
+ std::vector<std::string> &argv,
+ std::vector<std::string> &envp)
+ : LiveProcess(name, objFile, stdin_fd, stdout_fd, stderr_fd, argv, envp),
+ Num_Syscall_Descs(sizeof(syscallDescs) / sizeof(SyscallDesc)),
+ Num_Mach_Syscall_Descs(sizeof(machSyscallDescs) / sizeof(SyscallDesc))
+{
+}
void
RemoteGDB::setregs()
{
- memcpy(context->regs.intRegFile, &gdbregs[KGDB_REG_V0],
- 32 * sizeof(uint64_t));
+ // @todo: Currently this is very Alpha specific.
+ if (AlphaISA::PcPAL(gdbregs[KGDB_REG_PC])) {
+ for (int i = 0; i < TheISA::NumIntArchRegs; ++i) {
+ context->setIntReg(AlphaISA::reg_redir[i], gdbregs[i]);
+ }
+ } else {
+ for (int i = 0; i < TheISA::NumIntArchRegs; ++i) {
+ context->setIntReg(i, gdbregs[i]);
+ }
+ }
+
#ifdef KGDB_FP_REGS
- memcpy(context->regs.floatRegFile.q, &gdbregs[KGDB_REG_F0],
- 32 * sizeof(uint64_t));
+ for (int i = 0; i < TheISA::NumFloatArchRegs; ++i) {
+ context->setFloatRegInt(i, gdbregs[i + KGDB_REG_F0]);
+ }
#endif
- context->regs.pc = gdbregs[KGDB_REG_PC];
+ context->setPC(gdbregs[KGDB_REG_PC]);
}
void
--- /dev/null
- * Copyright (c) 2001-2005 The Regents of The University of Michigan
+ /*
-#include "targetarch/stacktrace.hh"
++ * Copyright (c) 2001-2006 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.
+ */
+
+ #include <string>
+
+ #include "cpu/base.hh"
+ #include "cpu/cpu_exec_context.hh"
+ #include "cpu/exec_context.hh"
+
+ #if FULL_SYSTEM
+ #include "base/callback.hh"
+ #include "base/cprintf.hh"
+ #include "base/output.hh"
++#include "base/trace.hh"
+ #include "cpu/profile.hh"
+ #include "kern/kernel_stats.hh"
+ #include "sim/serialize.hh"
+ #include "sim/sim_exit.hh"
+ #include "sim/system.hh"
- cpu_id(-1), mem(_mem), itb(_itb), dtb(_dtb), system(_sys),
- memctrl(_sys->memctrl), physmem(_sys->physmem), profile(NULL),
++#include "arch/stacktrace.hh"
+ #else
+ #include "sim/process.hh"
+ #endif
+
+ using namespace std;
+
+ // constructor
+ #if FULL_SYSTEM
+ CPUExecContext::CPUExecContext(BaseCPU *_cpu, int _thread_num, System *_sys,
+ AlphaITB *_itb, AlphaDTB *_dtb,
+ FunctionalMemory *_mem)
+ : _status(ExecContext::Unallocated), cpu(_cpu), thread_num(_thread_num),
- cpu(_cpu), thread_num(_thread_num), cpu_id(-1),
- process(_process), mem(process->getMemory()), asid(_asid),
++ cpu_id(-1), lastActivate(0), lastSuspend(0), mem(_mem), itb(_itb),
++ dtb(_dtb), system(_sys), memctrl(_sys->memctrl), physmem(_sys->physmem),
++ fnbin(kernelBinning->fnbin), profile(NULL), quiesceEvent(this),
+ func_exe_inst(0), storeCondFailures(0)
+ {
+ proxy = new ProxyExecContext<CPUExecContext>(this);
+
+ memset(®s, 0, sizeof(RegFile));
+
+ if (cpu->params->profile) {
+ profile = new FunctionProfile(system->kernelSymtab);
+ Callback *cb =
+ new MakeCallback<CPUExecContext,
+ &CPUExecContext::dumpFuncProfile>(this);
+ registerExitCallback(cb);
+ }
+
+ // let's fill with a dummy node for now so we don't get a segfault
+ // on the first cycle when there's no node available.
+ static ProfileNode dummyNode;
+ profileNode = &dummyNode;
+ profilePC = 3;
+ }
+ #else
+ CPUExecContext::CPUExecContext(BaseCPU *_cpu, int _thread_num,
+ Process *_process, int _asid)
+ : _status(ExecContext::Unallocated),
- profile->dump(proxy, *os);
++ cpu(_cpu), thread_num(_thread_num), cpu_id(-1), lastActivate(0),
++ lastSuspend(0), process(_process), mem(process->getMemory()), asid(_asid),
+ func_exe_inst(0), storeCondFailures(0)
+ {
+ memset(®s, 0, sizeof(RegFile));
+ proxy = new ProxyExecContext<CPUExecContext>(this);
+ }
+
+ CPUExecContext::CPUExecContext(BaseCPU *_cpu, int _thread_num,
+ FunctionalMemory *_mem, int _asid)
+ : cpu(_cpu), thread_num(_thread_num), process(0), mem(_mem), asid(_asid),
+ func_exe_inst(0), storeCondFailures(0)
+ {
+ memset(®s, 0, sizeof(RegFile));
+ proxy = new ProxyExecContext<CPUExecContext>(this);
+ }
+
+ CPUExecContext::CPUExecContext(RegFile *regFile)
+ : cpu(NULL), thread_num(-1), process(NULL), mem(NULL), asid(-1),
+ func_exe_inst(0), storeCondFailures(0)
+ {
+ regs = *regFile;
+ proxy = new ProxyExecContext<CPUExecContext>(this);
+ }
+
+ #endif
+
+ CPUExecContext::~CPUExecContext()
+ {
+ delete proxy;
+ }
+
+ #if FULL_SYSTEM
+ void
+ CPUExecContext::dumpFuncProfile()
+ {
+ std::ostream *os = simout.create(csprintf("profile.%s.dat", cpu->name()));
-
++}
++
++ExecContext::EndQuiesceEvent::EndQuiesceEvent(ExecContext *_xc)
++ : Event(&mainEventQueue), xc(_xc)
++{
++}
++
++void
++ExecContext::EndQuiesceEvent::process()
++{
++ xc->activate();
++}
++
++const char*
++ExecContext::EndQuiesceEvent::description()
++{
++ return "End Quiesce Event.";
+ }
+ #endif
+
+ void
+ CPUExecContext::takeOverFrom(ExecContext *oldContext)
+ {
+ /*
+ // some things should already be set up
+ assert(mem == oldContext->mem);
+ #if FULL_SYSTEM
+ assert(system == oldContext->system);
+ #else
+ assert(process == oldContext->process);
+ #endif
+
+ // copy over functional state
+ _status = oldContext->_status;
+ regs = oldContext->regs;
+ cpu_id = oldContext->cpu_id;
+ func_exe_inst = oldContext->func_exe_inst;
+
+ storeCondFailures = 0;
+
+ oldContext->_status = CPUExecContext::Unallocated;
+ */
+ }
+
+ void
+ CPUExecContext::serialize(ostream &os)
+ {
+ SERIALIZE_ENUM(_status);
+ regs.serialize(os);
+ // thread_num and cpu_id are deterministic from the config
+ SERIALIZE_SCALAR(func_exe_inst);
+ SERIALIZE_SCALAR(inst);
++
++#if FULL_SYSTEM
++ Tick quiesceEndTick = 0;
++ if (quiesceEvent.scheduled())
++ quiesceEndTick = quiesceEvent.when();
++ SERIALIZE_SCALAR(quiesceEndTick);
++
++#endif
+ }
+
+
+ void
+ CPUExecContext::unserialize(Checkpoint *cp, const std::string §ion)
+ {
+ UNSERIALIZE_ENUM(_status);
+ regs.unserialize(cp, section);
+ // thread_num and cpu_id are deterministic from the config
+ UNSERIALIZE_SCALAR(func_exe_inst);
+ UNSERIALIZE_SCALAR(inst);
++
++#if FULL_SYSTEM
++ Tick quiesceEndTick;
++ UNSERIALIZE_SCALAR(quiesceEndTick);
++ if (quiesceEndTick)
++ quiesceEvent.schedule(quiesceEndTick);
++#endif
+ }
+
+
+ void
+ CPUExecContext::activate(int delay)
+ {
+ if (status() == ExecContext::Active)
+ return;
+
++ lastActivate = curTick;
++
+ _status = ExecContext::Active;
+ cpu->activateContext(thread_num, delay);
+ }
+
+ void
+ CPUExecContext::suspend()
+ {
+ if (status() == ExecContext::Suspended)
+ return;
+
++ lastActivate = curTick;
++ lastSuspend = curTick;
++/*
+ #if FULL_SYSTEM
+ // Don't change the status from active if there are pending interrupts
+ if (cpu->check_interrupts()) {
+ assert(status() == ExecContext::Active);
+ return;
+ }
+ #endif
-void
-CPUExecContext::trap(Fault fault)
-{
- //TheISA::trap(fault); //One possible way to do it...
-
- /** @todo: Going to hack it for now. Do a true fixup later. */
-#if FULL_SYSTEM
- ev5_trap(fault);
-#else
- fatal("fault (%d) detected @ PC 0x%08p", fault, readPC());
-#endif
-}
++*/
+ _status = ExecContext::Suspended;
+ cpu->suspendContext(thread_num);
+ }
+
+ void
+ CPUExecContext::deallocate()
+ {
+ if (status() == ExecContext::Unallocated)
+ return;
+
+ _status = ExecContext::Unallocated;
+ cpu->deallocateContext(thread_num);
+ }
+
+ void
+ CPUExecContext::halt()
+ {
+ if (status() == ExecContext::Halted)
+ return;
+
+ _status = ExecContext::Halted;
+ cpu->haltContext(thread_num);
+ }
+
+
+ void
+ CPUExecContext::regStats(const string &name)
+ {
+ }
+
+ void
+ CPUExecContext::copyArchRegs(ExecContext *xc)
+ {
+ // First loop through the integer registers.
+ for (int i = 0; i < AlphaISA::NumIntRegs; ++i) {
+ setIntReg(i, xc->readIntReg(i));
+ }
+
+ // Then loop through the floating point registers.
+ for (int i = 0; i < AlphaISA::NumFloatRegs; ++i) {
+ setFloatRegDouble(i, xc->readFloatRegDouble(i));
+ setFloatRegInt(i, xc->readFloatRegInt(i));
+ }
+
+ // Copy misc. registers
+ setMiscReg(AlphaISA::Fpcr_DepTag, xc->readMiscReg(AlphaISA::Fpcr_DepTag));
+ setMiscReg(AlphaISA::Uniq_DepTag, xc->readMiscReg(AlphaISA::Uniq_DepTag));
+ setMiscReg(AlphaISA::Lock_Flag_DepTag,
+ xc->readMiscReg(AlphaISA::Lock_Flag_DepTag));
+ setMiscReg(AlphaISA::Lock_Addr_DepTag,
+ xc->readMiscReg(AlphaISA::Lock_Addr_DepTag));
+
+ // Lastly copy PC/NPC
+ setPC(xc->readPC());
+ setNextPC(xc->readNextPC());
+ }
+
--- /dev/null
- * Copyright (c) 2001-2005 The Regents of The University of Michigan
+ /*
-#include "targetarch/alpha_memory.hh"
++ * Copyright (c) 2001-2006 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.
+ */
+
+ #ifndef __CPU_CPU_EXEC_CONTEXT_HH__
+ #define __CPU_CPU_EXEC_CONTEXT_HH__
+
+ #include "arch/isa_traits.hh"
+ #include "config/full_system.hh"
+ #include "cpu/exec_context.hh"
+ #include "mem/functional/functional.hh"
+ #include "mem/mem_req.hh"
+ #include "sim/byteswap.hh"
++#include "sim/eventq.hh"
+ #include "sim/host.hh"
+ #include "sim/serialize.hh"
+
+ // forward declaration: see functional_memory.hh
+ class FunctionalMemory;
+ class PhysicalMemory;
+ class BaseCPU;
+
+ #if FULL_SYSTEM
+
+ #include "sim/system.hh"
- void ev5_trap(Fault fault);
++#include "arch/tlb.hh"
+
+ class FunctionProfile;
+ class ProfileNode;
+ class MemoryController;
+
+ #else // !FULL_SYSTEM
+
+ #include "sim/process.hh"
+
+ #endif // FULL_SYSTEM
+
+ //
+ // The CPUExecContext object represents a functional context for
+ // instruction execution. It incorporates everything required for
+ // architecture-level functional simulation of a single thread.
+ //
+
+ class CPUExecContext
+ {
+ protected:
+ typedef TheISA::RegFile RegFile;
+ typedef TheISA::MachInst MachInst;
+ typedef TheISA::MiscRegFile MiscRegFile;
+ typedef TheISA::MiscReg MiscReg;
+ public:
+ typedef ExecContext::Status Status;
+
+ private:
+ Status _status;
+
+ public:
+ Status status() const { return _status; }
+
+ void setStatus(Status newStatus) { _status = newStatus; }
+
+ /// Set the status to Active. Optional delay indicates number of
+ /// cycles to wait before beginning execution.
+ void activate(int delay = 1);
+
+ /// Set the status to Suspended.
+ void suspend();
+
+ /// Set the status to Unallocated.
+ void deallocate();
+
+ /// Set the status to Halted.
+ void halt();
+
+ protected:
+ RegFile regs; // correct-path register context
+
+ public:
+ // pointer to CPU associated with this context
+ BaseCPU *cpu;
+
+ ProxyExecContext<CPUExecContext> *proxy;
+
+ // Current instruction
+ MachInst inst;
+
+ // Index of hardware thread context on the CPU that this represents.
+ int thread_num;
+
+ // ID of this context w.r.t. the System or Process object to which
+ // it belongs. For full-system mode, this is the system CPU ID.
+ int cpu_id;
+
++ Tick lastActivate;
++ Tick lastSuspend;
++
+ #if FULL_SYSTEM
+ FunctionalMemory *mem;
+ AlphaITB *itb;
+ AlphaDTB *dtb;
+ System *system;
+
+ // the following two fields are redundant, since we can always
+ // look them up through the system pointer, but we'll leave them
+ // here for now for convenience
+ MemoryController *memctrl;
+ PhysicalMemory *physmem;
+
+ FunctionProfile *profile;
+ ProfileNode *profileNode;
+ Addr profilePC;
+ void dumpFuncProfile();
+
++ /** Event for timing out quiesce instruction */
++ struct EndQuiesceEvent : public Event
++ {
++ /** A pointer to the execution context that is quiesced */
++ ExecContext *xc;
++
++ EndQuiesceEvent(ExecContext *_xc);
++
++ /** Event process to occur at interrupt*/
++ virtual void process();
++
++ /** Event description */
++ virtual const char *description();
++ };
++ EndQuiesceEvent quiesceEvent;
++
+ #else
+ Process *process;
+
+ FunctionalMemory *mem; // functional storage for process address space
+
+ // Address space ID. Note that this is used for TIMING cache
+ // simulation only; all functional memory accesses should use
+ // one of the FunctionalMemory pointers above.
+ short asid;
+
+ #endif
+
+ /**
+ * Temporary storage to pass the source address from copy_load to
+ * copy_store.
+ * @todo Remove this temporary when we have a better way to do it.
+ */
+ Addr copySrcAddr;
+ /**
+ * Temp storage for the physical source address of a copy.
+ * @todo Remove this temporary when we have a better way to do it.
+ */
+ Addr copySrcPhysAddr;
+
+
+ /*
+ * number of executed instructions, for matching with syscall trace
+ * points in EIO files.
+ */
+ Counter func_exe_inst;
+
+ //
+ // Count failed store conditionals so we can warn of apparent
+ // application deadlock situations.
+ unsigned storeCondFailures;
+
+ // constructor: initialize context from given process structure
+ #if FULL_SYSTEM
+ CPUExecContext(BaseCPU *_cpu, int _thread_num, System *_system,
+ AlphaITB *_itb, AlphaDTB *_dtb, FunctionalMemory *_dem);
+ #else
+ CPUExecContext(BaseCPU *_cpu, int _thread_num, Process *_process, int _asid);
+ CPUExecContext(BaseCPU *_cpu, int _thread_num, FunctionalMemory *_mem,
+ int _asid);
+ // Constructor to use XC to pass reg file around. Not used for anything
+ // else.
+ CPUExecContext(RegFile *regFile);
+ #endif
+ virtual ~CPUExecContext();
+
+ virtual void takeOverFrom(ExecContext *oldContext);
+
+ void regStats(const std::string &name);
+
+ void serialize(std::ostream &os);
+ void unserialize(Checkpoint *cp, const std::string §ion);
+
+ BaseCPU *getCpuPtr() { return cpu; }
+
+ ExecContext *getProxy() { return proxy; }
+
+ int getThreadNum() { return thread_num; }
+
+ #if FULL_SYSTEM
+ System *getSystemPtr() { return system; }
+
+ PhysicalMemory *getPhysMemPtr() { return physmem; }
+
+ AlphaITB *getITBPtr() { return itb; }
+
+ AlphaDTB *getDTBPtr() { return dtb; }
+
+ bool validInstAddr(Addr addr) { return true; }
+ bool validDataAddr(Addr addr) { return true; }
+ int getInstAsid() { return regs.instAsid(); }
+ int getDataAsid() { return regs.dataAsid(); }
+
+ Fault translateInstReq(MemReqPtr &req)
+ {
+ return itb->translate(req);
+ }
+
+ Fault translateDataReadReq(MemReqPtr &req)
+ {
+ return dtb->translate(req, false);
+ }
+
+ Fault translateDataWriteReq(MemReqPtr &req)
+ {
+ return dtb->translate(req, true);
+ }
+
+ #else
+ Process *getProcessPtr() { return process; }
+
+ bool validInstAddr(Addr addr)
+ { return process->validInstAddr(addr); }
+
+ bool validDataAddr(Addr addr)
+ { return process->validDataAddr(addr); }
+
+ int getInstAsid() { return asid; }
+ int getDataAsid() { return asid; }
+
+ Fault dummyTranslation(MemReqPtr &req)
+ {
+ #if 0
+ assert((req->vaddr >> 48 & 0xffff) == 0);
+ #endif
+
+ // put the asid in the upper 16 bits of the paddr
+ req->paddr = req->vaddr & ~((Addr)0xffff << sizeof(Addr) * 8 - 16);
+ req->paddr = req->paddr | (Addr)req->asid << sizeof(Addr) * 8 - 16;
+ return NoFault;
+ }
+ Fault translateInstReq(MemReqPtr &req)
+ {
+ return dummyTranslation(req);
+ }
+ Fault translateDataReadReq(MemReqPtr &req)
+ {
+ return dummyTranslation(req);
+ }
+ Fault translateDataWriteReq(MemReqPtr &req)
+ {
+ return dummyTranslation(req);
+ }
+
+ #endif
+
+ template <class T>
+ Fault read(MemReqPtr &req, T &data)
+ {
+ #if FULL_SYSTEM && defined(TARGET_ALPHA)
+ if (req->flags & LOCKED) {
+ req->xc->setMiscReg(TheISA::Lock_Addr_DepTag, req->paddr);
+ req->xc->setMiscReg(TheISA::Lock_Flag_DepTag, true);
+ }
+ #endif
+
+ Fault error;
+ error = mem->read(req, data);
+ data = LittleEndianGuest::gtoh(data);
+ return error;
+ }
+
+ template <class T>
+ Fault write(MemReqPtr &req, T &data)
+ {
+ #if FULL_SYSTEM && defined(TARGET_ALPHA)
+ ExecContext *xc;
+
+ // If this is a store conditional, act appropriately
+ if (req->flags & LOCKED) {
+ xc = req->xc;
+
+ if (req->flags & UNCACHEABLE) {
+ // Don't update result register (see stq_c in isa_desc)
+ req->result = 2;
+ xc->setStCondFailures(0);//Needed? [RGD]
+ } else {
+ bool lock_flag = xc->readMiscReg(TheISA::Lock_Flag_DepTag);
+ Addr lock_addr = xc->readMiscReg(TheISA::Lock_Addr_DepTag);
+ req->result = lock_flag;
+ if (!lock_flag ||
+ ((lock_addr & ~0xf) != (req->paddr & ~0xf))) {
+ xc->setMiscReg(TheISA::Lock_Flag_DepTag, false);
+ xc->setStCondFailures(xc->readStCondFailures() + 1);
+ if (((xc->readStCondFailures()) % 100000) == 0) {
+ std::cerr << "Warning: "
+ << xc->readStCondFailures()
+ << " consecutive store conditional failures "
+ << "on cpu " << req->xc->readCpuId()
+ << std::endl;
+ }
+ return NoFault;
+ }
+ else xc->setStCondFailures(0);
+ }
+ }
+
+ // Need to clear any locked flags on other proccessors for
+ // this address. Only do this for succsful Store Conditionals
+ // and all other stores (WH64?). Unsuccessful Store
+ // Conditionals would have returned above, and wouldn't fall
+ // through.
+ for (int i = 0; i < system->execContexts.size(); i++){
+ xc = system->execContexts[i];
+ if ((xc->readMiscReg(TheISA::Lock_Addr_DepTag) & ~0xf) ==
+ (req->paddr & ~0xf)) {
+ xc->setMiscReg(TheISA::Lock_Flag_DepTag, false);
+ }
+ }
+
+ #endif
+ return mem->write(req, (T)LittleEndianGuest::htog(data));
+ }
+
+ virtual bool misspeculating();
+
+
+ MachInst getInst() { return inst; }
+
+ void setInst(MachInst new_inst)
+ {
+ inst = new_inst;
+ }
+
+ Fault instRead(MemReqPtr &req)
+ {
+ return mem->read(req, inst);
+ }
+
+ void setCpuId(int id) { cpu_id = id; }
+
+ int readCpuId() { return cpu_id; }
+
+ FunctionalMemory *getMemPtr() { return mem; }
+
+ void copyArchRegs(ExecContext *xc);
+
+ //
+ // New accessors for new decoder.
+ //
+ uint64_t readIntReg(int reg_idx)
+ {
+ return regs.intRegFile[reg_idx];
+ }
+
+ float readFloatRegSingle(int reg_idx)
+ {
+ return (float)regs.floatRegFile.d[reg_idx];
+ }
+
+ double readFloatRegDouble(int reg_idx)
+ {
+ return regs.floatRegFile.d[reg_idx];
+ }
+
+ uint64_t readFloatRegInt(int reg_idx)
+ {
+ return regs.floatRegFile.q[reg_idx];
+ }
+
+ void setIntReg(int reg_idx, uint64_t val)
+ {
+ regs.intRegFile[reg_idx] = val;
+ }
+
+ void setFloatRegSingle(int reg_idx, float val)
+ {
+ regs.floatRegFile.d[reg_idx] = (double)val;
+ }
+
+ void setFloatRegDouble(int reg_idx, double val)
+ {
+ regs.floatRegFile.d[reg_idx] = val;
+ }
+
+ void setFloatRegInt(int reg_idx, uint64_t val)
+ {
+ regs.floatRegFile.q[reg_idx] = val;
+ }
+
+ uint64_t readPC()
+ {
+ return regs.pc;
+ }
+
+ void setPC(uint64_t val)
+ {
+ regs.pc = val;
+ }
+
+ uint64_t readNextPC()
+ {
+ return regs.npc;
+ }
+
+ void setNextPC(uint64_t val)
+ {
+ regs.npc = val;
+ }
+
+ MiscReg readMiscReg(int misc_reg)
+ {
+ return regs.miscRegs.readReg(misc_reg);
+ }
+
+ MiscReg readMiscRegWithEffect(int misc_reg, Fault &fault)
+ {
+ return regs.miscRegs.readRegWithEffect(misc_reg, fault, proxy);
+ }
+
+ Fault setMiscReg(int misc_reg, const MiscReg &val)
+ {
+ return regs.miscRegs.setReg(misc_reg, val);
+ }
+
+ Fault setMiscRegWithEffect(int misc_reg, const MiscReg &val)
+ {
+ return regs.miscRegs.setRegWithEffect(misc_reg, val, proxy);
+ }
+
+ unsigned readStCondFailures() { return storeCondFailures; }
+
+ void setStCondFailures(unsigned sc_failures)
+ { storeCondFailures = sc_failures; }
+
+ void clearArchRegs() { memset(®s, 0, sizeof(regs)); }
+
+ #if FULL_SYSTEM
+ int readIntrFlag() { return regs.intrflag; }
+ void setIntrFlag(int val) { regs.intrflag = val; }
+ Fault hwrei();
+ bool inPalMode() { return AlphaISA::PcPAL(regs.pc); }
- /** Meant to be more generic trap function to be
- * called when an instruction faults.
- * @param fault The fault generated by executing the instruction.
- * @todo How to do this properly so it's dependent upon ISA only?
- */
-
- void trap(Fault fault);
-
+ bool simPalCheck(int palFunc);
+ #endif
+
+ #if !FULL_SYSTEM
+ TheISA::IntReg getSyscallArg(int i)
+ {
+ return regs.intRegFile[TheISA::ArgumentReg0 + i];
+ }
+
+ // used to shift args for indirect syscall
+ void setSyscallArg(int i, TheISA::IntReg val)
+ {
+ regs.intRegFile[TheISA::ArgumentReg0 + i] = val;
+ }
+
+ void setSyscallReturn(SyscallReturn return_value)
+ {
+ // check for error condition. Alpha syscall convention is to
+ // indicate success/failure in reg a3 (r19) and put the
+ // return value itself in the standard return value reg (v0).
+ const int RegA3 = 19; // only place this is used
+ if (return_value.successful()) {
+ // no error
+ regs.intRegFile[RegA3] = 0;
+ regs.intRegFile[TheISA::ReturnValueReg] = return_value.value();
+ } else {
+ // got an error, return details
+ regs.intRegFile[RegA3] = (TheISA::IntReg) -1;
+ regs.intRegFile[TheISA::ReturnValueReg] = -return_value.value();
+ }
+ }
+
+ void syscall()
+ {
+ process->syscall(proxy);
+ }
+
+ Counter readFuncExeInst() { return func_exe_inst; }
+
+ void setFuncExeInst(Counter new_val) { func_exe_inst = new_val; }
+ #endif
+ };
+
+
+ // for non-speculative execution context, spec_mode is always false
+ inline bool
+ CPUExecContext::misspeculating()
+ {
+ return false;
+ }
+
+ #endif // __CPU_CPU_EXEC_CONTEXT_HH__
memReq->reset(src & ~(blk_size - 1), blk_size);
// translate to physical address
- Fault fault = xc->translateDataReadReq(memReq);
+ Fault fault = cpuXC->translateDataReadReq(memReq);
- assert(fault != AlignmentFault);
-
if (fault == NoFault) {
- xc->copySrcAddr = src;
- xc->copySrcPhysAddr = memReq->paddr + offset;
+ cpuXC->copySrcAddr = src;
+ cpuXC->copySrcPhysAddr = memReq->paddr + offset;
} else {
- xc->copySrcAddr = 0;
- xc->copySrcPhysAddr = 0;
+ assert(!fault->isAlignmentFault());
+
+ cpuXC->copySrcAddr = 0;
+ cpuXC->copySrcPhysAddr = 0;
}
return fault;
}
memReq->reset(dest & ~(blk_size -1), blk_size);
// translate to physical address
- Fault fault = xc->translateDataWriteReq(memReq);
+ Fault fault = cpuXC->translateDataWriteReq(memReq);
- assert(fault != AlignmentFault);
-
if (fault == NoFault) {
Addr dest_addr = memReq->paddr + offset;
// Need to read straight from memory since we have more than 8 bytes.
}
}
- if (xc->readMiscReg(IPR_ASTRR))
+ if (cpuXC->readMiscReg(IPR_ASTRR))
panic("asynchronous traps not implemented\n");
- if (ipl && ipl > xc->readMiscReg(IPR_IPLR)) {
- xc->setMiscReg(IPR_ISR, summary);
- xc->setMiscReg(IPR_INTID, ipl);
- Fault(new InterruptFault)->invoke(xc);
+ if (ipl && ipl > cpuXC->readMiscReg(IPR_IPLR)) {
+ cpuXC->setMiscReg(IPR_ISR, summary);
+ cpuXC->setMiscReg(IPR_INTID, ipl);
- cpuXC->ev5_trap(InterruptFault);
++
++ Fault(new InterruptFault)->invoke(xcProxy);
DPRINTF(Flow, "Interrupt! IPLR=%d ipl=%d summary=%x\n",
- xc->readMiscReg(IPR_IPLR), ipl, summary);
+ cpuXC->readMiscReg(IPR_IPLR), ipl, summary);
}
}
#endif
// decode the instruction
inst = gtoh(inst);
- curStaticInst = StaticInst::decode(inst);
+ curStaticInst = StaticInst::decode(makeExtMI(inst, xc->readPC()));
- traceData = Trace::getInstRecord(curTick, xc, this, curStaticInst,
- xc->regs.pc);
+ traceData = Trace::getInstRecord(curTick, xcProxy, this, curStaticInst,
+ cpuXC->readPC());
#if FULL_SYSTEM
- xc->setInst(inst);
+ cpuXC->setInst(inst);
#endif // FULL_SYSTEM
- xc->func_exe_inst++;
+ cpuXC->func_exe_inst++;
fault = curStaticInst->execute(this, traceData);
if (fault != NoFault) {
#if FULL_SYSTEM
- fault->invoke(xc);
- cpuXC->ev5_trap(fault);
++ fault->invoke(xcProxy);
#else // !FULL_SYSTEM
- fatal("fault (%d) detected @ PC 0x%08p", fault, xc->regs.pc);
+ fatal("fault (%d) detected @ PC 0x%08p", fault, cpuXC->readPC());
#endif // FULL_SYSTEM
}
else {
}
#if FULL_SYSTEM
- Fault hwrei() { return xc->hwrei(); }
- int readIntrFlag() { return xc->readIntrFlag(); }
- void setIntrFlag(int val) { xc->setIntrFlag(val); }
- bool inPalMode() { return xc->inPalMode(); }
- void trap(Fault fault) { fault->invoke(xc); }
- bool simPalCheck(int palFunc) { return xc->simPalCheck(palFunc); }
+ Fault hwrei() { return cpuXC->hwrei(); }
+ int readIntrFlag() { return cpuXC->readIntrFlag(); }
+ void setIntrFlag(int val) { cpuXC->setIntrFlag(val); }
+ bool inPalMode() { return cpuXC->inPalMode(); }
- void ev5_trap(Fault fault) { cpuXC->ev5_trap(fault); }
++ void ev5_trap(Fault fault) { fault->invoke(xcProxy); }
+ bool simPalCheck(int palFunc) { return cpuXC->simPalCheck(palFunc); }
#else
- void syscall() { xc->syscall(); }
+ void syscall() { cpuXC->syscall(); }
#endif
- bool misspeculating() { return xc->misspeculating(); }
- ExecContext *xcBase() { return xc; }
+ bool misspeculating() { return cpuXC->misspeculating(); }
+ ExecContext *xcBase() { return xcProxy; }
};
#endif // __CPU_SIMPLE_CPU_SIMPLE_CPU_HH__
const char *modestr[] = { "kernel", "user", "idle", "interrupt" };
- Statistics::Statistics(ExecContext *context)
- : xc(context), idleProcess((Addr)-1), themode(kernel), lastModeTick(0),
+ Statistics::Statistics(System *system)
+ : idleProcess((Addr)-1), themode(kernel), lastModeTick(0),
iplLast(0), iplLastTick(0)
{
- bin_int = xc->system->params()->bin_int;
- bin_int = system->params->bin_int;
++ bin_int = system->params()->bin_int;
}
void
void hwrei() { _hwrei++; }
void fault(Fault fault)
{
- if(fault == NoFault) _faults[0]++;
- else if(fault == MachineCheckFault) _faults[2]++;
- else if(fault == AlignmentFault) _faults[7]++;
- else _faults[fault->id]++;
+ if(fault != NoFault)
+ fault->stat()++;
}// FIXME: When there are no generic system fault objects, this will go back to _faults[fault]++; }
void swpipl(int ipl);
- void mode(cpu_mode newmode);
- void context(Addr oldpcbb, Addr newpcbb);
- void callpal(int code);
+ void mode(cpu_mode newmode, ExecContext *xc);
+ void context(Addr oldpcbb, Addr newpcbb, ExecContext *xc);
+ void callpal(int code, ExecContext *xc);
- void setIdleProcess(Addr idle);
+ void setIdleProcess(Addr idle, ExecContext *xc);
public:
virtual void serialize(std::ostream &os);
return;
xc->suspend();
- xc->kernelStats->quiesce();
+ xc->getCpuPtr()->kernelStats->quiesce();
}
+ void
+ quiesceNs(ExecContext *xc, uint64_t ns)
+ {
+ if (!doQuiesce || ns == 0)
+ return;
+
+ if (xc->quiesceEvent.scheduled())
+ xc->quiesceEvent.reschedule(curTick + Clock::Int::ns * ns);
+ else
+ xc->quiesceEvent.schedule(curTick + Clock::Int::ns * ns);
+
+ xc->suspend();
+ xc->kernelStats->quiesce();
+ }
+
+ void
+ quiesceCycles(ExecContext *xc, uint64_t cycles)
+ {
+ if (!doQuiesce || cycles == 0)
+ return;
+
+ if (xc->quiesceEvent.scheduled())
+ xc->quiesceEvent.reschedule(curTick + xc->cpu->cycles(cycles));
+ else
+ xc->quiesceEvent.schedule(curTick + xc->cpu->cycles(cycles));
+
+ xc->suspend();
+ xc->kernelStats->quiesce();
+ }
+
+ uint64_t
+ quiesceTime(ExecContext *xc)
+ {
+ return (xc->lastActivate - xc->lastSuspend) / Clock::Int::ns ;
+ }
+
void
ivlb(ExecContext *xc)
{
uint64_t
readfile(ExecContext *xc, Addr vaddr, uint64_t len, uint64_t offset)
{
- const string &file = xc->cpu->system->params()->readfile;
- const string &file = xc->getCpuPtr()->system->params->readfile;
++ const string &file = xc->getCpuPtr()->system->params()->readfile;
if (file.empty()) {
return ULL(0);
}
int result = stat(path.c_str(), &hostBuf);
if (result < 0)
- return errno;
+ return -errno;
- OS::copyOutStatBuf(xc->mem, xc->getSyscallArg(1), &hostBuf);
+ OS::copyOutStatBuf(xc->getMemPtr(), xc->getSyscallArg(1), &hostBuf);
return 0;
}
#endif
if (result < 0)
- return errno;
+ return -errno;
- OS::copyOutStat64Buf(xc->mem, fd, xc->getSyscallArg(1), &hostBuf);
+ OS::copyOutStat64Buf(xc->getMemPtr(), fd, xc->getSyscallArg(1), &hostBuf);
return 0;
}
int result = statfs(path.c_str(), &hostBuf);
if (result < 0)
- return errno;
+ return -errno;
- OS::copyOutStatfsBuf(xc->mem, xc->getSyscallArg(1), &hostBuf);
+ OS::copyOutStatfsBuf(xc->getMemPtr(), xc->getSyscallArg(1), &hostBuf);
return 0;
}
int result = fstatfs(fd, &hostBuf);
if (result < 0)
- return errno;
+ return -errno;
- OS::copyOutStatfsBuf(xc->mem, xc->getSyscallArg(1), &hostBuf);
+ OS::copyOutStatfsBuf(xc->getMemPtr(), xc->getSyscallArg(1), &hostBuf);
return 0;
}
projects / gem5.git / commitdiff