execution pipeline (Alpha trapb & excb).
Add support for write memory barriers (mostly impacts
store buffer).
Add StaticInst flag to indicate memory barriers, though
this is not modeled in the pipeline yet.
arch/alpha/isa_desc:
Implement trapb, excb, mb, and wmb as insts with
no execution effect (empty execute() function) but
with flags that indicate their side effects.
Also make sure every instruction that needs to go to
the execute stage has a real opClass value, since we
are now using No_OpClass to signal insts that can get
dropped at dispatch.
StaticInst::branchTarget() is now a const method.
cpu/static_inst.hh:
Add flags to indicate serializing insts (trapb, excb) and
memory and write barriers.
Also declare some StaticInst methods as const methods.
dev/etherlink.hh:
sim/eventq.hh:
sim/serialize.cc:
sim/serialize.hh:
sim/sim_object.hh:
Make name() return value const.
--HG--
extra : convert_revision : 39520e71469fa20e0a7446b2e06b494eec17a02c
arch/alpha/isa_desc:
Add missing branchTarget() method for indirect branches.
cpu/static_inst.hh:
Add comment clarifying when branchTarget() can be used
on indirect branches.
--HG--
extra : convert_revision : 0dcfb36a9792a338cefceb3d1501825abace7ac5
This avoids incrementing and decrementing the MemReq
reference counters on every call and return.
arch/alpha/alpha_memory.cc:
arch/alpha/alpha_memory.hh:
cpu/exec_context.hh:
cpu/memtest/memtest.cc:
cpu/memtest/memtest.hh:
dev/alpha_console.cc:
dev/alpha_console.hh:
Change MemReqPtr parameters to references.
--HG--
extra : convert_revision : 3ba18bdd9f996563988402576bfdd3430e1ab1e5
arch/alpha/isa_desc:
don't say warn: Warning:
base/misc.cc:
avoid printing two newlines in a row
sim/main.cc:
print out a message just before we enter the event queue
--HG--
extra : convert_revision : 2a824d4b67661903fc739a0fb0759aa91d72382c
arch/alpha/isa_traits.hh:
Add a constant for the maximum address value called MaxAddr.
--HG--
extra : convert_revision : 1371e8b713cc6ed134093e9c208db35dc9741ac7
Move global checkpoint-related functions and vars into Checkpoint class (as statics).
arch/alpha/pseudo_inst.cc:
dev/disk_image.cc:
Move global checkpoint-related functions and vars
into Checkpoint class (as statics).
sim/serialize.cc:
Move global checkpoint-related functions and vars
into Checkpoint class (as statics).
Checkpoint constructor now takes checkpoint directory name instead
of file name.
Make serialize:dir parameter actually set checkpoint directory name
instead of directory in which checkpoint directory is created. If
the value contains a '%', the curTick value is sprintf'd into the
format to create the directory name. The default is backwards compatible
with the old fixed name ("m5.%012d").
sim/serialize.hh:
Move global checkpoint-related functions and vars
into Checkpoint class (as statics).
Checkpoint constructor now takes checkpoint directory name instead
of file name.
--HG--
extra : convert_revision : d0aa87b62911f405a4f5811271b9e6351fdd9fe4
arch/alpha/alpha_tru64_process.cc:
So, I don't know why linux uses an off_t here.
I'm also not sure why linux defines an off_t to be a long
Let's just use long here since it works for linux, and that's
what bsd does
base/inifile.cc:
correct #include for OpenBSD
dev/disk_image.cc:
the correct type for this is streampos
--HG--
extra : convert_revision : f3ac3a3b8515d66e07ffb9780d8a9e387297b6a0
makefile, such that decoder.cc was not getting rebuilt.
Also add -fno-strict-aliasing to fix all the bizarre problems
I've been having with g++ 3.3.x.
arch/alpha/isa_desc:
Fix compilation problems. AlphaISA is a class now, not a namespace.
--HG--
extra : convert_revision : 1583cebc1258c57cbd286c1955d11648150fa1f4
arch/alpha/alpha_memory.cc:
Rename md_mode_type to mode_type.
arch/alpha/ev5.cc:
simPalCheck() only gets called on correct path now, so
there's no need to test misspeculating().
arch/alpha/isa_desc:
Get privileged call_pall detection right this time (I hope).
ExecContext::simPalCheck() and Annotate::Callpal() are now
called only on non-speculative executions... this should fix
the bogus pal-call stats we've been seeing (since these are
incremented in simPalCheck()).
Also check for invalid call_pall function codes.
--HG--
extra : convert_revision : 465d6724884007d3fa066d14cd5e6db0cd3954e1
a checkpoint now gives identical results to running from scratch
and doing at switchover at the same cycle!
- CPUs start at cycle 0 again, not cycle 1.
- curTick is now serialized & unserialized.
- Stats get reset in main (before event loop). Since this is done
after curTick is unserialized, simTicks gets set correctly for
running from a checkpoint.
- Simplify serialization to happen in a single pass.
- s/Serializeable/Serializable/
arch/alpha/isa_traits.hh:
dev/etherlink.hh:
sim/eventq.cc:
sim/eventq.hh:
s/Serializeable/Serializable/
kern/tru64/tru64_system.cc:
sim/process.cc:
Make initial CPU activation on cycle 0 again (not 1).
sim/main.cc:
Reset stats before getting started.
Make error message on falling out of event loop
more meaningful.
sim/serialize.cc:
sim/serialize.hh:
Get rid of now-useless initial pass; serialization is
done in a single pass now.
Serialize & unserialize curTick.
Wrap curTick and mainEventQueue in a "globals" Serializable object.
s/Serializeable/Serializable/
sim/sim_object.cc:
Add static function to serialize all SimObjects.
sim/sim_object.hh:
Add static function to serialize all SimObjects.
s/Serializeable/Serializable/
--HG--
extra : convert_revision : 9dcc411d0009b54b8eb61c3a509680b81b9f6f68
and SimpleCPU::setStatus() into separate functions. For example,
setStatus(Active) is now activate().
--HG--
extra : convert_revision : 4392e07caf6c918db0b535f613175109681686fe
interfaces, and specific support for Alpha Linux. Split syscall emulation
functions into several groups, based on whether they depend on the specific
OS and/or architecture (and all combinations of above), including the use of
template functions to support syscalls with slightly different constants
or interface structs.
arch/alpha/alpha_tru64_process.cc:
Incorporate full Tru64 object definition here, including structure and constant definitions.
This way we can wrap all of the functions inside the object, and not worry about namespace
conflicts because no one outside this file will ever see it.
base/loader/aout_object.cc:
base/loader/aout_object.hh:
base/loader/ecoff_object.cc:
base/loader/ecoff_object.hh:
base/loader/elf_object.cc:
base/loader/elf_object.hh:
base/loader/object_file.cc:
base/loader/object_file.hh:
Add enums to ObjectFile to indicate the object's architecture and operating system.
cpu/exec_context.cc:
prog.hh is now process.hh
cpu/exec_context.hh:
prog.hh is now process.hh
move architecture-specific syscall arg accessors into ExecContext
cpu/simple_cpu/simple_cpu.cc:
No need to include prog.hh (which has been renamed)
sim/process.cc:
sim/process.hh:
LiveProcess is now effectively an abstract base class.
New LiveProcess::create() function takes an object file and dynamically picks the
appropriate subclass of LiveProcess to handle the syscall interface that file expects
(currently Tru64 or Linux).
--HG--
rename : arch/alpha/fake_syscall.cc => arch/alpha/alpha_tru64_process.cc
rename : sim/prog.cc => sim/process.cc
rename : sim/prog.hh => sim/process.hh
extra : convert_revision : 4a03ca7d94a34177cb672931f8aae83a6bad179a
arch/alpha/pseudo_inst.hh:
Give temporary access of these functions to full cpu junk
(this is a hack!)
--HG--
extra : convert_revision : 35499d6bf03b1c21dc918ccc09a6d21719262120
arch/alpha/fake_syscall.cc:
Fix a couple of bugs:
- error return codes weren't making it through due to inadvertent cast to unsigned
- sigreturn broken in not one but two ways
- make all file descriptors look like plain files (not ttys)
Added implementations of setuid, getgid, fcntl, and getdirentries from Dave Oehmke
--HG--
extra : convert_revision : 53d3f13e1b05e3bde9e68ada3774ca39fa4c0d4c
arch/alpha/isa_desc:
A few disassembly changes to make it easier to compare with old machine.def traces:
- Make lds prefetches print f31 instead of r31 as dest.
- Don't print mode suffixes on FP if SS_COMPATIBLE_DISASSEMBLY
cpu/exetrace.cc:
Left-justify instruction in field, and increase width by 1.
--HG--
extra : convert_revision : 9ffd56728f1bb772aa3ccda5f027b93d4c3a4135
arch/alpha/isa_desc:
move the quiesce instruction out of here so I can conditionally
enable it.
arch/alpha/pseudo_inst.cc:
conditionally enable quiesce
arch/alpha/pseudo_inst.hh:
add quiesce
--HG--
extra : convert_revision : e1c474c4bf8761ff58073785d82b2bec9f632885
arch/alpha/isa_desc:
Move the pseudo instructions out of the isa_desc, into their own
file and call out to them when they're to be accessed
sim/sim_events.cc:
sim/sim_events.hh:
sim/sim_exit.hh:
move SimExit to sim_exit.cc
--HG--
extra : convert_revision : 1c393adb1c18bd0fef065057d7f4e9cf60ac4197
resetstats
dumpstats
dumpresetstats
m5checkpoint
Lots of cleanup of serialization and stats dumping/resetting to
work with these new instructions
arch/alpha/isa_desc:
Implement more m5 pseduo opcodes:
resetstats
dumpstats
dumpresetstats
m5checkpoint
All of these functions take two optional parameters, the first is a delay,
and the second is a period. The delay tells the simulator to wait the
specified number of nanoseconds before triggering the event, the period
tells the simulator to repeat the event with a specified frequency
base/statistics.cc:
base/statistics.hh:
regReset RegResetCallback
dev/disk_image.cc:
serializeFilename -> CheckpointFile()
sim/debug.cc:
Move this debugging statement to sim_stats.cc
sim/eventq.cc:
Don't AutoDelete an event if it is scheduled since the process()
function could potentially schedule the event again.
sim/main.cc:
DumpStatsEvent is now Statistics::SetupEvent(Dump, curTick)
sim/serialize.cc:
Change the serialize event so that it's possible to cause the
event to repeat. Also make the priority such that the event
happens just before the simulator would exit if both events
were scheduled for the same cycle.
get rid of the serializeFilename variable and provide a CheckpointFile()
function. This function takes a basename that is set in the
configuration, and appends the current cycle to the name so that
multiple checkpoints can be dumped from the same simulation.
Also, don't exit the simulation when a checkpoint file is dumped.
sim/serialize.hh:
serializeFilename -> CheckpointFile()
SetupCheckpoint function to tell the simulator to prepare
to checkpoint at a certain time with a certain period
sim/sim_events.cc:
DumpStatsEvent stuff gets move to sim_stats.(cc|hh)
The context stuff gets moved into the already existing
stats context in stat_context.cc
sim/sim_events.hh:
DumpStatsEvent stuff gets move to sim_stats.(cc|hh)
sim/universe.cc:
Provide some simple functions for converting times into
ticks. These use floating point math to get as close as
possible to the real values. Multipliers are set up ahead
of time
--HG--
extra : convert_revision : d06ef26a9237529a1e5060cb1ac2dcc04d4ec252
Implement a new m5exit instruction with an optional delay
arch/alpha/isa_desc:
move m5exit to m5exit old. The old version of the
instruction is now deprecated
Implement the new exit instruction with the optional delay
sim/sim_events.cc:
sim/sim_events.hh:
Make SimExit take a cycle
sim/universe.cc:
provide ticksPerMS, ticksPerUS, and ticksPerNS so we don't
have to do math during the cycle
--HG--
extra : convert_revision : e2ed47a2e5cfcd57c82086c6fcb4a28bf801c214
Can now serialize & unserialize DmaRequestEvents and DmaTransferEvents.
Also support serialize/unserialize of pointers to SimObjects and
other Serializable objects.
arch/alpha/alpha_memory.cc:
arch/alpha/alpha_memory.hh:
arch/alpha/isa_traits.hh:
cpu/exec_context.cc:
cpu/exec_context.hh:
cpu/simple_cpu/simple_cpu.hh:
dev/alpha_access.h:
dev/alpha_console.cc:
dev/alpha_console.hh:
dev/console.cc:
dev/console.hh:
unserialize() now takes a Checkpoint* instead of an IniFile*.
cpu/simple_cpu/simple_cpu.cc:
unserialize() now takes a Checkpoint* instead of an IniFile*.
Put ExecContext in its own section so its _status fields doesn't conflict.
sim/eventq.cc:
sim/eventq.hh:
unserialize() now takes a Checkpoint* instead of an IniFile*.
Events get serialized by the event queue only if they're marked
as AutoSerialize... others are assumed to be serialized by something
else (e.g. an owning SimObject) or to not matter.
sim/param.cc:
Shift 'const' in case T is a ptr type.
sim/serialize.cc:
sim/serialize.hh:
Define Checkpoint object to encapsulate everything you need to know
about a checkpoint. Use it to allow lookups of named Serializable
objects (and SimObjects) during unserialization.
unserialize() now takes a Checkpoint* instead of an IniFile*.
--HG--
extra : convert_revision : 8e6baab32405f8f548bb67a097b2f713296537a5
arch/alpha/alpha_memory.cc:
arch/alpha/alpha_memory.hh:
Serialize TLB contents.
cpu/simple_cpu/simple_cpu.cc:
cpu/simple_cpu/simple_cpu.hh:
Complete serialization of SimpleCPU (including owned events).
sim/eventq.cc:
sim/eventq.hh:
Basic serialization for events.
Still need to handle dynamic events (not owned by a SimObject).
sim/serialize.cc:
sim/serialize.hh:
Export serialization filename so PhysicalMemory can
derive its filename from that.
--HG--
extra : convert_revision : 4db851c5880f73f576ca092d5e5ad4256048eb51
Add support for serializing enums.
arch/alpha/isa_traits.hh:
Add serialize/unserialize functions for RegFile
(defined in new isa_traits.cc).
cpu/exec_context.cc:
Flesh out serialize/unserialize.
sim/serialize.hh:
Add {UN}SERIALIZE_ENUM().
--HG--
extra : convert_revision : 9e30c7e7b3b290dc8ea0888ba3636fc93ee89052
though most objects don't actually serialize any data.
arch/alpha/alpha_memory.cc:
arch/alpha/alpha_memory.hh:
arch/alpha/isa_traits.hh:
cpu/exec_context.cc:
cpu/exec_context.hh:
cpu/simple_cpu/simple_cpu.hh:
dev/alpha_access.h:
dev/alpha_console.cc:
dev/alpha_console.hh:
dev/console.cc:
dev/console.hh:
Change unserialize param from IniFile& to const IniFile*.
cpu/simple_cpu/simple_cpu.cc:
Change unserialize param from IniFile& to const IniFile*.
Make unserialize call ExecContext::unserialize.
sim/eventq.cc:
Rename MainEventQueue (no spaces) for easier parsing in checkpoints.
Disable event serialization for now, so we can focus on the easy stuff.
sim/serialize.cc:
Change paramIn and arrayParamIn param from IniFile& to const IniFile*.
sim/serialize.hh:
Change unserialize, paramIn, and arrayParamIn params from IniFile& to const IniFile*.
--HG--
extra : convert_revision : 6e8853ed375eddec0e140c95a01dd51bd225f7b9
arch/alpha/ev5.cc:
Don't call kernelStats.hwrei() or system->breakpoint() on misspeculated paths.
arch/alpha/isa_desc:
Don't write reegs.intrflag, do Annotate::Callpal, or call xc->syscall
on misspeculated paths.
--HG--
extra : convert_revision : e73b96fbe4ac5be85fb20aa218fd05fd56d5b2f3
in the process make m5_exit more generic
arch/alpha/ev5.cc:
arch/alpha/ev5.hh:
There's no reason that this needs to be in an arch specific file
arch/alpha/isa_desc:
m5_exit -> SimExit
Emulate callpal halt and cause the simulator to exit
while we're at it, sort #includes
sim/sim_events.cc:
sim/sim_events.hh:
move the m5_exit function here, renaming it to SimExit.
Also Allow the caller to pass in the termination message.
--HG--
extra : convert_revision : 54b43b17a412ab387b8672c27ef0b04fce10ee15
SimpleCPU & FullCPU constructors to AlphaISA::initCPU().
cpu/simple_cpu/simple_cpu.cc:
Move some common full-system CPU initialization from the
SimpleCPU & FullCPU constructors to AlphaISA::initCPU().
Make 'fault' local to SimpleCPU::tick.
cpu/simple_cpu/simple_cpu.hh:
Make 'fault' local to SimpleCPU::tick (not an object member).
--HG--
extra : convert_revision : e878dedfff06aac0548aca8b14d66c18b8916895
of CPUs that get switched round-robin (though currently we're only shooting for
two CPUs and one switch event, and even that doesn't quite work yet). Registration
of ExecContexts with System/Process object factored out so we can create two CPUs
but only register one of them at a time. Also worked at making behavior and naming
in System and Process objects more consistent.
arch/alpha/ev5.cc:
Rename ipr_init to initIPRs and get rid of unused mem arg.
arch/alpha/fake_syscall.cc:
Process:numCpus is now a function (not a data member).
base/remote_gdb.hh:
Support for ExecContext switching.
cpu/base_cpu.cc:
cpu/base_cpu.hh:
cpu/exec_context.cc:
cpu/exec_context.hh:
cpu/simple_cpu/simple_cpu.hh:
Support for ExecContext switching.
Renamed contexts array to execContexts to be consistent with Process.
CPU ID now auto-assigned by system object.
cpu/simple_cpu/simple_cpu.cc:
Support for ExecContext switching.
Renamed contexts array to execContexts to be consistent with Process.
CPU ID now auto-assigned by system object.
Cleaned up MP full-system initialization a bit.
dev/alpha_console.cc:
Renamed xcvec array to execContexts to be consistent with Process.
kern/tru64/tru64_system.cc:
kern/tru64/tru64_system.hh:
Support for ExecContext switching.
CPU ID now auto-assigned by system object.
sim/prog.cc:
sim/prog.hh:
Support for ExecContext switching.
Process:numCpus is now a function (not a data member).
sim/system.cc:
sim/system.hh:
Support for ExecContext switching.
Renamed xcvec array to execContexts to be consistent with Process.
--HG--
extra : convert_revision : 79649cffad5bf3e83de8df44236941907926d791
arch/alpha/alpha_memory.hh:
cpu/exec_context.hh:
cpu/pc_event.hh:
Move to non architecture specific MemReq
--HG--
extra : convert_revision : 2445943b6f1c8af86b90cfa9c2f9b1eb4a6a1aa2
arch/alpha/isa_desc:
Added new M5FUNC instruction to put allow reading of init_param inside simulator
kern/tru64/tru64_system.cc:
kern/tru64/tru64_system.hh:
sim/system.cc:
sim/system.hh:
Added support for init_param
--HG--
extra : convert_revision : 8253f0b4239b194d4f04665c9deec1fcdf665c8a
This makes testing a bit easier.
arch/alpha/alpha_memory.cc:
cpu/intr_control.cc:
cpu/memtest/memtest.cc:
cpu/simple_cpu/simple_cpu.cc:
dev/alpha_console.cc:
dev/console.cc:
dev/disk_image.cc:
dev/etherbus.cc:
dev/etherdump.cc:
dev/etherlink.cc:
dev/ethertap.cc:
dev/simple_disk.cc:
kern/tru64/tru64_system.cc:
sim/main.cc:
sim/prog.cc:
Need to include builder.hh
sort #includes
sim/sim_object.cc:
sim/sim_object.hh:
Separate the SimObjectBuilder stuff into its own file
--HG--
extra : convert_revision : e8395e0cc6ae1f180f9cd6f100795a1ac44aeed5
stale reference to machine.def).
arch/alpha/isa_desc:
Add comment describing store-conditional result code
cpu/exec_context.hh:
update comments
--HG--
extra : convert_revision : ac59e0ad7a9440cb6656617fdf05495b59c68f55
arch/alpha/aout_machdep.h:
Comment aout_exechdr fields to make doxygen happy.
--HG--
extra : convert_revision : 23fe88cb7ee511ccd83d2779024daf015133c9ce
