463aa6d49d
arch/alpha/alpha_linux_process.cc: Added using directive for AlphaISA namespace arch/alpha/alpha_memory.hh: arch/alpha/isa/branch.isa: cpu/pc_event.hh: Added typedefs for Addr arch/alpha/alpha_tru64_process.cc: arch/alpha/arguments.cc: Added using directive for AlphaISA arch/alpha/ev5.hh: Added an include of arch/alpha/isa_traits.hh, and a using directive for the AlphaISA namespace. arch/alpha/faults.hh: Added a typedef for the Addr type, and changed the formatting of the faults slightly. arch/alpha/isa/main.isa: Untemplatized StaticInst, added a using for namespace AlphaISA to show up in decoder.cc and the exec.ccs, relocated makeNop to decoder.hh arch/alpha/isa/mem.isa: Untemplatized StaticInst and StaticInstPtr arch/alpha/isa/pal.isa: cpu/base_dyn_inst.cc: Untemplatized StaticInstPtr arch/alpha/isa_traits.hh: Changed variables to be externs instead of static since they are part of a namespace and not a class. arch/alpha/stacktrace.cc: Untemplatized StaticInstPtr, and added a using directive for AlphaISA. arch/alpha/stacktrace.hh: Added some typedefs for Addr and MachInst, and untemplatized StaticInstPtr arch/alpha/vtophys.cc: Added a using directive for AlphaISA arch/alpha/vtophys.hh: Added the AlphaISA namespace specifier where needed arch/isa_parser.py: Changed the placement of the definition of the decodeInst function to be outside the namespaceInst namespace. base/loader/object_file.hh: cpu/o3/bpred_unit.hh: Added a typedef for Addr base/loader/symtab.hh: Added a typedef for Addr, and added a TheISA to Addr in another typedef base/remote_gdb.cc: Added a using namespace TheISA, and untemplatized StaticInstPtr base/remote_gdb.hh: Added typedefs for Addr and MachInst cpu/base.cc: Added TheISA specifier to some variables exported from the isa. cpu/base.hh: Added a typedef for Addr, and TheISA to some variables from the ISA cpu/base_dyn_inst.hh: Untemplatized StaticInstPtr, and added TheISA specifier to some variables from the ISA. cpu/exec_context.hh: Added some typedefs for types from the isa, and added TheISA specifier to some variables from the isa cpu/exetrace.hh: Added typedefs for some types from the ISA, and untemplatized StaticInstPtr cpu/memtest/memtest.cc: cpu/o3/btb.cc: dev/baddev.cc: dev/ide_ctrl.cc: dev/ide_disk.cc: dev/isa_fake.cc: dev/ns_gige.cc: dev/pciconfigall.cc: dev/platform.cc: dev/sinic.cc: dev/uart8250.cc: kern/freebsd/freebsd_system.cc: kern/linux/linux_system.cc: kern/system_events.cc: kern/tru64/dump_mbuf.cc: kern/tru64/tru64_events.cc: sim/process.cc: sim/pseudo_inst.cc: sim/system.cc: Added using namespace TheISA cpu/memtest/memtest.hh: cpu/trace/opt_cpu.hh: cpu/trace/reader/itx_reader.hh: dev/ide_disk.hh: dev/pcidev.hh: dev/platform.hh: dev/tsunami.hh: sim/system.hh: sim/vptr.hh: Added typedef for Addr cpu/o3/2bit_local_pred.hh: Changed the include to use arch/isa_traits.hh instead of arch/alpha/isa_traits.hh. Added typedef for Addr cpu/o3/alpha_cpu.hh: Added typedefs for Addr and IntReg cpu/o3/alpha_cpu_impl.hh: Added this-> to setNextPC to fix a problem since it didn't depend on template parameters any more. Removed "typename" where it was no longer needed. cpu/o3/alpha_dyn_inst.hh: Cleaned up some typedefs, and untemplatized StaticInst cpu/o3/alpha_dyn_inst_impl.hh: untemplatized StaticInstPtr cpu/o3/alpha_impl.hh: Fixed up a typedef of MachInst cpu/o3/bpred_unit_impl.hh: Added a using TheISA::MachInst to a function cpu/o3/btb.hh: Changed an include from arch/alpha/isa_traits.hh to arch/isa_traits.hh, and added a typedef for Addr cpu/o3/commit.hh: Removed a typedef of Impl::ISA as ISA, since TheISA takes care of this now. cpu/o3/cpu.cc: Cleaned up namespace issues cpu/o3/cpu.hh: Cleaned up namespace usage cpu/o3/decode.hh: Removed typedef of ISA, and changed it to TheISA cpu/o3/fetch.hh: Fized up typedefs, and changed ISA to TheISA cpu/o3/free_list.hh: Changed include of arch/alpha/isa_traits.hh to arch/isa_traits.hh cpu/o3/iew.hh: Removed typedef of ISA cpu/o3/iew_impl.hh: Added TheISA namespace specifier to MachInst cpu/o3/ras.hh: Changed include from arch/alpha/isa_traits.hh to arch/isa_traits.hh, and added a typedef for Addr. cpu/o3/regfile.hh: Changed ISA to TheISA, and added some typedefs for Addr, IntReg, FloatReg, and MiscRegFile cpu/o3/rename.hh: Changed ISA to TheISA, and added a typedef for RegIndex cpu/o3/rename_map.hh: Added an include for arch/isa_traits.hh, and a typedef for RegIndex cpu/o3/rob.hh: Added a typedef for RegIndex cpu/o3/store_set.hh: cpu/o3/tournament_pred.hh: Changed an include of arch/alpha/isa_traits.hh to arch/isa_traits.hh, and added a typedef of Addr cpu/ozone/cpu.hh: Changed ISA into TheISA, and untemplatized StaticInst cpu/pc_event.cc: Added namespace specifier TheISA to Addr types cpu/profile.hh: kern/kernel_stats.hh: Added typedef for Addr, and untemplatized StaticInstPtr cpu/simple/cpu.cc: Changed using directive from LittleEndianGuest to AlphaISA, which will contain both namespaces. Added TheISA where needed, and untemplatized StaticInst cpu/simple/cpu.hh: Added a typedef for MachInst, and untemplatized StaticInst cpu/static_inst.cc: Untemplatized StaticInst cpu/static_inst.hh: Untemplatized StaticInst by using the TheISA namespace dev/alpha_console.cc: Added using namespace AlphaISA dev/simple_disk.hh: Added typedef for Addr and fixed up some formatting dev/sinicreg.hh: Added TheISA namespace specifier where needed dev/tsunami.cc: dev/tsunami_io.cc: dev/tsunami_pchip.cc: Added using namespace TheISA. It might be better for it to be AlphaISA dev/tsunami_cchip.cc: Added typedef for TheISA. It might be better for it to be AlphaISA kern/linux/aligned.hh: sim/pseudo_inst.hh: Added TheISA namespace specifier to Addr kern/linux/linux_threadinfo.hh: Added typedef for Addr, and TheISA namespace specifier to StackPointerReg kern/tru64/mbuf.hh: Added TheISA to Addr type in structs sim/process.hh: Added typedefs of Addr, RegFile, and MachInst sim/syscall_emul.cc: Added using namespace TheISA, and a cast of VMPageSize to the int type sim/syscall_emul.hh: Added typecast for Addr, and TheISA namespace specifier for where needed --HG-- extra : convert_revision : 91d4f6ca33a73b21c1f1771d74bfdea3b80eff45
300 lines
9.9 KiB
C++
300 lines
9.9 KiB
C++
/*
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* Copyright (c) 2004-2005 The Regents of The University of Michigan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* @file
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* This code loads the linux kernel, console, pal and patches certain
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* functions. The symbol tables are loaded so that traces can show
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* the executing function and we can skip functions. Various delay
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* loops are skipped and their final values manually computed to speed
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* up boot time.
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*/
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#include "base/loader/symtab.hh"
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#include "cpu/exec_context.hh"
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#include "cpu/base.hh"
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#include "kern/linux/linux_system.hh"
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#include "kern/linux/linux_threadinfo.hh"
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#include "kern/linux/printk.hh"
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#include "mem/functional/memory_control.hh"
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#include "mem/functional/physical.hh"
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#include "sim/builder.hh"
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#include "sim/byteswap.hh"
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#include "dev/platform.hh"
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#include "targetarch/arguments.hh"
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#include "targetarch/vtophys.hh"
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using namespace std;
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using namespace TheISA;
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LinuxSystem::LinuxSystem(Params *p)
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: System(p)
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{
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Addr addr = 0;
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Addr paddr = 0;
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/**
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* The symbol swapper_pg_dir marks the beginning of the kernel and
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* the location of bootloader passed arguments
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*/
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if (!kernelSymtab->findAddress("swapper_pg_dir", KernelStart)) {
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panic("Could not determine start location of kernel");
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}
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/**
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* Since we aren't using a bootloader, we have to copy the
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* kernel arguments directly into the kernel's memory.
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*/
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paddr = vtophys(physmem, CommandLine());
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char *commandline = (char *)physmem->dma_addr(paddr, sizeof(uint64_t));
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if (commandline)
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strncpy(commandline, params->boot_osflags.c_str(), CommandLineSize);
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/**
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* find the address of the est_cycle_freq variable and insert it
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* so we don't through the lengthly process of trying to
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* calculated it by using the PIT, RTC, etc.
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*/
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if (kernelSymtab->findAddress("est_cycle_freq", addr)) {
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paddr = vtophys(physmem, addr);
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uint8_t *est_cycle_frequency =
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physmem->dma_addr(paddr, sizeof(uint64_t));
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if (est_cycle_frequency)
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*(uint64_t *)est_cycle_frequency =
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Clock::Frequency / p->boot_cpu_frequency;
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}
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/**
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* EV5 only supports 127 ASNs so we are going to tell the kernel that the
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* paritiuclar EV6 we have only supports 127 asns.
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* @todo At some point we should change ev5.hh and the palcode to support
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* 255 ASNs.
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*/
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if (kernelSymtab->findAddress("dp264_mv", addr)) {
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paddr = vtophys(physmem, addr);
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char *dp264_mv = (char *)physmem->dma_addr(paddr, sizeof(uint64_t));
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if (dp264_mv) {
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*(uint32_t*)(dp264_mv+0x18) = LittleEndianGuest::htog((uint32_t)127);
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} else
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panic("could not translate dp264_mv addr\n");
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} else
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panic("could not find dp264_mv\n");
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#ifndef NDEBUG
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kernelPanicEvent = addKernelFuncEvent<BreakPCEvent>("panic");
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if (!kernelPanicEvent)
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panic("could not find kernel symbol \'panic\'");
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#if 0
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kernelDieEvent = addKernelFuncEvent<BreakPCEvent>("die_if_kernel");
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if (!kernelDieEvent)
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panic("could not find kernel symbol \'die_if_kernel\'");
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#endif
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#endif
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/**
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* Any time ide_delay_50ms, calibarte_delay or
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* determine_cpu_caches is called just skip the
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* function. Currently determine_cpu_caches only is used put
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* information in proc, however if that changes in the future we
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* will have to fill in the cache size variables appropriately.
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*/
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skipIdeDelay50msEvent =
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addKernelFuncEvent<SkipFuncEvent>("ide_delay_50ms");
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skipDelayLoopEvent =
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addKernelFuncEvent<SkipDelayLoopEvent>("calibrate_delay");
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skipCacheProbeEvent =
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addKernelFuncEvent<SkipFuncEvent>("determine_cpu_caches");
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debugPrintkEvent = addKernelFuncEvent<DebugPrintkEvent>("dprintk");
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idleStartEvent = addKernelFuncEvent<IdleStartEvent>("cpu_idle");
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if (kernelSymtab->findAddress("alpha_switch_to", addr) && DTRACE(Thread)) {
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printThreadEvent = new PrintThreadInfo(&pcEventQueue, "threadinfo",
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addr + sizeof(MachInst) * 6);
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} else {
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printThreadEvent = NULL;
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}
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if (params->bin_int) {
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intStartEvent = addPalFuncEvent<InterruptStartEvent>("sys_int_21");
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if (!intStartEvent)
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panic("could not find symbol: sys_int_21\n");
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intEndEvent = addPalFuncEvent<InterruptEndEvent>("rti_to_kern");
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if (!intEndEvent)
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panic("could not find symbol: rti_to_kern\n");
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intEndEvent2 = addPalFuncEvent<InterruptEndEvent>("rti_to_user");
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if (!intEndEvent2)
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panic("could not find symbol: rti_to_user\n");
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intEndEvent3 = addKernelFuncEvent<InterruptEndEvent>("do_softirq");
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if (!intEndEvent3)
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panic("could not find symbol: do_softirq\n");
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}
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}
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LinuxSystem::~LinuxSystem()
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{
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#ifndef NDEBUG
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delete kernelPanicEvent;
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#endif
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delete skipIdeDelay50msEvent;
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delete skipDelayLoopEvent;
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delete skipCacheProbeEvent;
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delete debugPrintkEvent;
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delete idleStartEvent;
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delete printThreadEvent;
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delete intStartEvent;
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delete intEndEvent;
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delete intEndEvent2;
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}
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void
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LinuxSystem::setDelayLoop(ExecContext *xc)
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{
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Addr addr = 0;
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if (kernelSymtab->findAddress("loops_per_jiffy", addr)) {
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Addr paddr = vtophys(physmem, addr);
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uint8_t *loops_per_jiffy =
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physmem->dma_addr(paddr, sizeof(uint32_t));
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Tick cpuFreq = xc->cpu->frequency();
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Tick intrFreq = platform->intrFrequency();
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*(uint32_t *)loops_per_jiffy =
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(uint32_t)((cpuFreq / intrFreq) * 0.9988);
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}
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}
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void
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LinuxSystem::SkipDelayLoopEvent::process(ExecContext *xc)
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{
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SkipFuncEvent::process(xc);
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// calculate and set loops_per_jiffy
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((LinuxSystem *)xc->system)->setDelayLoop(xc);
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}
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void
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LinuxSystem::DebugPrintkEvent::process(ExecContext *xc)
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{
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if (DTRACE(DebugPrintf)) {
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if (!raw) {
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StringWrap name(xc->system->name() + ".dprintk");
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DPRINTFN("");
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}
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AlphaArguments args(xc);
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Printk(args);
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SkipFuncEvent::process(xc);
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}
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}
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void
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LinuxSystem::PrintThreadInfo::process(ExecContext *xc)
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{
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Linux::ThreadInfo ti(xc);
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DPRINTF(Thread, "Currently Executing Thread %s, pid %d, started at: %d\n",
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ti.curTaskName(), ti.curTaskPID(), ti.curTaskStart());
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}
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BEGIN_DECLARE_SIM_OBJECT_PARAMS(LinuxSystem)
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Param<Tick> boot_cpu_frequency;
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SimObjectParam<MemoryController *> memctrl;
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SimObjectParam<PhysicalMemory *> physmem;
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Param<string> kernel;
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Param<string> console;
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Param<string> pal;
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Param<string> boot_osflags;
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Param<string> readfile;
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Param<unsigned int> init_param;
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Param<uint64_t> system_type;
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Param<uint64_t> system_rev;
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Param<bool> bin;
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VectorParam<string> binned_fns;
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Param<bool> bin_int;
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END_DECLARE_SIM_OBJECT_PARAMS(LinuxSystem)
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BEGIN_INIT_SIM_OBJECT_PARAMS(LinuxSystem)
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INIT_PARAM(boot_cpu_frequency, "Frequency of the boot CPU"),
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INIT_PARAM(memctrl, "memory controller"),
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INIT_PARAM(physmem, "phsyical memory"),
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INIT_PARAM(kernel, "file that contains the kernel code"),
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INIT_PARAM(console, "file that contains the console code"),
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INIT_PARAM(pal, "file that contains palcode"),
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INIT_PARAM_DFLT(boot_osflags, "flags to pass to the kernel during boot",
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"a"),
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INIT_PARAM_DFLT(readfile, "file to read startup script from", ""),
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INIT_PARAM_DFLT(init_param, "numerical value to pass into simulator", 0),
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INIT_PARAM_DFLT(system_type, "Type of system we are emulating", 34),
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INIT_PARAM_DFLT(system_rev, "Revision of system we are emulating", 1<<10),
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INIT_PARAM_DFLT(bin, "is this system to be binned", false),
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INIT_PARAM(binned_fns, "functions to be broken down and binned"),
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INIT_PARAM_DFLT(bin_int, "is interrupt code binned seperately?", true)
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END_INIT_SIM_OBJECT_PARAMS(LinuxSystem)
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CREATE_SIM_OBJECT(LinuxSystem)
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{
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System::Params *p = new System::Params;
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p->name = getInstanceName();
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p->boot_cpu_frequency = boot_cpu_frequency;
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p->memctrl = memctrl;
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p->physmem = physmem;
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p->kernel_path = kernel;
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p->console_path = console;
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p->palcode = pal;
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p->boot_osflags = boot_osflags;
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p->init_param = init_param;
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p->readfile = readfile;
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p->system_type = system_type;
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p->system_rev = system_rev;
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p->bin = bin;
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p->binned_fns = binned_fns;
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p->bin_int = bin_int;
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return new LinuxSystem(p);
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}
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REGISTER_SIM_OBJECT("LinuxSystem", LinuxSystem)
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