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This provides a common initial status for all threads independent
of CPU model (unlike the prior situation where CPUs initialized
threads to inconsistent states).
This mostly matters for SE mode; in FS mode, ISA-specific startupCPU()
methods generally handle boot-time initialization of thread contexts
(since the right thing to do is ISA-dependent).
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redundancies with threadId() as their replacement.
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across the subclasses. generally make it so that member data is _cpuId and
accessor functions are cpuId(). The ID val comes from the python (default -1 if
none provided), and if it is -1, the index of cpuList will be given. this has
passed util/regress quick and se.py -n4 and fs.py -n4 as well as standard
switch.
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For now, there is still a single global event queue, but this is
necessary for making the steps towards a parallelized m5.
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a newly created one can.
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Force all non-default ports to provide a name and an
owner in the constructor.
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--HG--
extra : convert_revision : 56f6f2cbf4e92b7f2dd8c9453831fab86d83ef80
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don't create a new physPort/virtPort every time activateContext() is called
add the ability to tell a memory object to delete it's reference to a port and a method to have a port call deletePortRefs()
on the port owner as well as delete it's peer
still need to stop calling connectMemoPorts() every time activateContext() is called or we'll overflow the bus id and panic
src/cpu/thread_state.cc:
if we hav ea (phys|virt)Port don't create a new on, have it delete it's peer and then reuse it
src/mem/bus.cc:
src/mem/bus.hh:
add ability to delete a port by usig a hash_map instead of an array to store port ids
add a function to do deleting
src/mem/cache/cache.hh:
src/mem/cache/cache_impl.hh:
src/mem/mem_object.cc:
src/mem/mem_object.hh:
adda function to delete port references from a memory object
src/mem/port.cc:
src/mem/port.hh:
add a removeConn function that tell the owener to delete any references to the port and then deletes its peer
--HG--
extra : convert_revision : 272f0c8f80e1cf1ab1750d8be5a6c9aa110b06a4
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below the CPU to happen every time activateContext is called. The overhead is probably a little higher than necessary, but allows these connections to properly be made when there are CPUs that are inactive until they are switched in.
Right now this introduces a minor memory leak as old physPorts and virtPorts are not deleted when new ones are created. A flyspray task has been created for this issue. It can not be resolved until we determine how the bus will handle giving out ID's to functional ports that may be deleted.
src/cpu/o3/cpu.cc:
src/cpu/simple/atomic.cc:
src/cpu/simple/timing.cc:
Change the setup of the physPort and virtPort to instead happen every time the CPU has a context activated. This is a little high overhead, but keeps it working correctly when the CPU does not have a physical memory attached to it until it switches in (like the case of switch CPUs).
src/cpu/o3/thread_context.hh:
Change function from being called at init() to just being called whenever the memory ports need to be connected.
src/cpu/o3/thread_context_impl.hh:
Update this to not delete the port if it's the same as the virtPort.
src/cpu/thread_context.hh:
Change function from being called at init() to whenever the memory ports need to be connected.
src/cpu/thread_state.cc:
Instead of initializing the ports, simply connect them, deleting any old ports that might exist. This allows these functions to be called multiple times.
src/cpu/thread_state.hh:
Ports are no longer initialized, but rather connected at context activation time.
--HG--
extra : convert_revision : e399ce5dfbd6ad658c953a7c9c7b69b89a70219e
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src/cpu/o3/alpha/cpu_impl.hh:
Handle the PhysicalPort and VirtualPort in the ThreadState.
src/cpu/o3/cpu.cc:
Initialize the thread context.
src/cpu/o3/thread_context.hh:
Add new function to initialize thread context.
src/cpu/o3/thread_context_impl.hh:
Use code now put into function.
src/cpu/simple_thread.cc:
Move code to ThreadState and use the new helper function.
src/cpu/simple_thread.hh:
Remove init() in this derived class; use init() from ThreadState base class.
src/cpu/thread_state.cc:
Move setting up of Physical and Virtual ports here. Change getMemFuncPort() to connectToMemFunc(), which connects a port to a functional port of the memory object below the CPU.
src/cpu/thread_state.hh:
Update functions.
--HG--
extra : convert_revision : ff254715ef0b259dc80d08f13543b63e4024ca8d
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--HG--
rename : src/kern/alpha/idle_event.cc => src/arch/alpha/idle_event.cc
rename : src/kern/alpha/idle_event.hh => src/arch/alpha/idle_event.hh
rename : src/kern/alpha/kernel_stats.cc => src/arch/alpha/kernel_stats.cc
rename : src/kern/alpha/kernel_stats.hh => src/arch/alpha/kernel_stats.hh
rename : src/kern/sparc/kernel_stats.hh => src/arch/sparc/kernel_stats.hh
rename : src/kern/base_kernel_stats.cc => src/kern/kernel_stats.cc
rename : src/kern/base_kernel_stats.hh => src/kern/kernel_stats.hh
extra : convert_revision : 42bd3e36b407edbd19b912c9218f4e5923a15966
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src/cpu/simple_thread.cc:
Fix up port handling to share code.
src/cpu/thread_state.cc:
Separate code off into a function.
src/cpu/thread_state.hh:
Make a separate function that will get the CPU's memory's functional port.
--HG--
extra : convert_revision : 96a9bb3c5e4b9ba5511678c0fd17f0017c8cd312
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into zamp.eecs.umich.edu:/z/ktlim2/clean/newmem-busfix
configs/example/fs.py:
configs/example/se.py:
src/mem/tport.hh:
Hand merge.
--HG--
extra : convert_revision : b9df95534d43b3b311f24ae24717371d03d615bf
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for its MemObject instead of having to have a paramter for the MemObject.
configs/example/fs.py:
configs/example/se.py:
src/cpu/simple/base.cc:
src/cpu/simple/base.hh:
src/cpu/simple/timing.cc:
src/cpu/simple_thread.cc:
src/cpu/simple_thread.hh:
src/cpu/thread_state.cc:
src/cpu/thread_state.hh:
tests/configs/o3-timing-mp.py:
tests/configs/o3-timing.py:
tests/configs/simple-atomic-mp.py:
tests/configs/simple-atomic.py:
tests/configs/simple-timing-mp.py:
tests/configs/simple-timing.py:
tests/configs/tsunami-simple-atomic-dual.py:
tests/configs/tsunami-simple-atomic.py:
tests/configs/tsunami-simple-timing-dual.py:
tests/configs/tsunami-simple-timing.py:
No need for mem parameter any more.
src/cpu/checker/cpu.cc:
Use new constructor for simple thread (no more MemObject parameter).
src/cpu/checker/cpu.hh:
Remove MemObject parameter.
src/cpu/memtest/memtest.hh:
Ports now take in their MemObject owner.
src/cpu/o3/alpha/cpu_builder.cc:
Remove mem parameter.
src/cpu/o3/alpha/cpu_impl.hh:
Remove memory parameter and clean up handling of TranslatingPort.
src/cpu/o3/cpu.cc:
src/cpu/o3/cpu.hh:
src/cpu/o3/fetch.hh:
src/cpu/o3/fetch_impl.hh:
src/cpu/o3/mips/cpu_builder.cc:
src/cpu/o3/mips/cpu_impl.hh:
src/cpu/o3/params.hh:
src/cpu/o3/thread_state.hh:
src/cpu/ozone/cpu.hh:
src/cpu/ozone/cpu_builder.cc:
src/cpu/ozone/cpu_impl.hh:
src/cpu/ozone/front_end.hh:
src/cpu/ozone/front_end_impl.hh:
src/cpu/ozone/lw_lsq.hh:
src/cpu/ozone/lw_lsq_impl.hh:
src/cpu/ozone/simple_params.hh:
src/cpu/ozone/thread_state.hh:
src/cpu/simple/atomic.cc:
Remove memory parameter.
--HG--
extra : convert_revision : 43cb44a33b31320d44b69679dcf646c0380d07d3
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src/cpu/simple/base.cc:
Make a microcoded op start at the current micropc, rather than starting at 0.
src/cpu/thread_state.cc:
Serialize the microPC and nextMicroPC
--HG--
extra : convert_revision : 5302215f17312ecef3ff4c6548acb05297ee4ff6
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src/arch/sparc/isa/formats/blockmem.isa:
Several small and medium bug fixes.
src/cpu/simple/base.cc:
Fixed a few compiler errors and made sure the next micro pc is set to 1 to prevent the first microop from executing twice. Also fixed a fetching bug.
src/cpu/thread_state.cc:
Made sure the microPC and nextMicroPC are initialized properly.
--HG--
extra : convert_revision : a0fc8aa18d1ade916f17c557181a793c6108a8af
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src/arch/alpha/regfile.hh:
Define serialize/unserialize functions on MiscRegFile itself.
src/cpu/o3/regfile.hh:
Remove old commented code.
src/cpu/simple_thread.cc:
src/cpu/simple_thread.hh:
Push common serialization code to ThreadState level. Also allow the SimpleThread to be used for checkpointing by other models.
src/cpu/thread_state.cc:
src/cpu/thread_state.hh:
Move common serialization code into ThreadState.
--HG--
extra : convert_revision : ef64ef515355437439af967eda2e610e8c1b658b
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--HG--
extra : convert_revision : 63d98aa8b6a694c285d95a2a57e1b3aaef4cee3b
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src/cpu/o3/lsq_unit_impl.hh:
Missed this name change.
src/cpu/thread_state.cc:
Fix for stats.
--HG--
extra : convert_revision : 50ea862f97f2fbc75c1c03d5700df1e8f2c0d122
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--HG--
extra : convert_revision : 842556970ff6f0660e8bef13819a3ddfc048d8c8
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--HG--
extra : convert_revision : 8ad012b1acfe046e6a8a5fb064891d91dadeb2e0
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order to clear up the confusion due to the many ExecContexts. It also derives from a common ThreadState object, which holds various state common to threads across CPU models.
Following with the previous check-in, ExecContext now refers only to the interface provided to the ISA in order to access CPU state. ThreadContext refers to the interface provided to all objects outside the CPU in order to access thread state. SimpleThread provides all thread state and the interface to access it, and is suitable for simple execution models such as the SimpleCPU.
src/SConscript:
Include thread state file.
src/arch/alpha/ev5.cc:
src/cpu/checker/cpu.cc:
src/cpu/checker/cpu.hh:
src/cpu/checker/thread_context.hh:
src/cpu/memtest/memtest.cc:
src/cpu/memtest/memtest.hh:
src/cpu/o3/cpu.cc:
src/cpu/ozone/cpu_impl.hh:
src/cpu/simple/atomic.cc:
src/cpu/simple/base.cc:
src/cpu/simple/base.hh:
src/cpu/simple/timing.cc:
Rename CPUExecContext to SimpleThread.
src/cpu/base_dyn_inst.hh:
Make thread member variables protected..
src/cpu/o3/alpha_cpu.hh:
src/cpu/o3/cpu.hh:
Make various members of ThreadState protected.
src/cpu/o3/alpha_cpu_impl.hh:
Push generation of TranslatingPort into the CPU itself.
Make various members of ThreadState protected.
src/cpu/o3/thread_state.hh:
Pull a lot of common code into the base ThreadState class.
src/cpu/ozone/thread_state.hh:
Rename CPUExecContext to SimpleThread, move a lot of common code into base ThreadState class.
src/cpu/thread_state.hh:
Push a lot of common code into base ThreadState class. This goes along with renaming CPUExecContext to SimpleThread, and making it derive from ThreadState.
src/cpu/simple_thread.cc:
Rename CPUExecContext to SimpleThread, make it derive from ThreadState. This helps push a lot of common code/state into a single class that can be used by all CPUs.
src/cpu/simple_thread.hh:
Rename CPUExecContext to SimpleThread, make it derive from ThreadState.
src/kern/system_events.cc:
Rename cpu_exec_context to thread_context.
src/sim/process.hh:
Remove unused forward declaration.
--HG--
rename : src/cpu/cpu_exec_context.cc => src/cpu/simple_thread.cc
rename : src/cpu/cpu_exec_context.hh => src/cpu/simple_thread.hh
extra : convert_revision : 2ed617aa80b64016cb9270f75352607cca032733
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