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2018-03-27cpu: Remove ExtMachInst typedefs from the O3 CPU model.Gabe Black
These typedefs aren't used, and they expose ISA specific types outside the ISA implementations. Change-Id: I64b9cec18d6f92765eebbdf8c8f1de15c0deba34 Reviewed-on: https://gem5-review.googlesource.com/9404 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Maintainer: Gabe Black <gabeblack@google.com>
2017-12-13cpu,alpha,mips,power,riscv,sparc: Get rid of eaComp and memAccInst.Gabe Black
Neither of these were used, particularly memAccInst. Change-Id: I4ac9e44cf624e5de42519d586d7b699f08a2cdfc Reviewed-on: https://gem5-review.googlesource.com/6601 Maintainer: Gabe Black <gabeblack@google.com> Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
2017-07-05cpu: Added interface for vector reg fileRekai Gonzalez-Alberquilla
This patch adds some more functionality to the cpu model and the arch to interface with the vector register file. This change consists mainly of augmenting ThreadContexts and ExecContexts with calls to get/set full vectors, underlying microarchitectural elements or lanes. Those are meant to interface with the vector register file. All classes that implement this interface also get an appropriate implementation. This requires implementing the vector register file for the different models using the VecRegContainer class. This change set also updates the Result abstraction to contemplate the possibility of having a vector as result. The changes also affect how the remote_gdb connection works. There are some (nasty) side effects, such as the need to define dummy numPhysVecRegs parameter values for architectures that do not implement vector extensions. Nathanael Premillieu's work with an increasing number of fixes and improvements of mine. Change-Id: Iee65f4e8b03abfe1e94e6940a51b68d0977fd5bb Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> [ Fix RISCV build issues and CC reg free list initialisation ] Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-on: https://gem5-review.googlesource.com/2705
2017-07-05cpu: Simplify the rename interface and use RegIdRekai Gonzalez-Alberquilla
With the hierarchical RegId there are a lot of functions that are redundant now. The idea behind the simplification is that instead of having the regId, telling which kind of register read/write/rename/lookup/etc. and then the function panic_if'ing if the regId is not of the appropriate type, we provide an interface that decides what kind of register to read depending on the register type of the given regId. Change-Id: I7d52e9e21fc01205ae365d86921a4ceb67a57178 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> [ Fix RISCV build issues ] Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-on: https://gem5-review.googlesource.com/2702
2017-07-05cpu: Physical register structural + flat indexingNathanael Premillieu
Mimic the changes done on the architectural register indexes on the physical register indexes. This is specific to the O3 model. The structure, called PhysRegId, contains a register class, a register index and a flat register index. The flat register index is kept because it is useful in some cases where the type of register is not important (dependency graph and scoreboard for example). Instead of directly using the structure, most of the code is working with a const PhysRegId* (typedef to PhysRegIdPtr). The actual PhysRegId objects are stored in the regFile. Change-Id: Ic879a3cc608aa2f34e2168280faac1846de77667 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-on: https://gem5-review.googlesource.com/2701 Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2017-07-05arch, cpu: Architectural Register structural indexingNathanael Premillieu
Replace the unified register mapping with a structure associating a class and an index. It is now much easier to know which class of register the index is referring to. Also, when adding a new class there is no need to modify existing ones. Change-Id: I55b3ac80763702aa2cd3ed2cbff0a75ef7620373 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> [ Fix RISCV build issues ] Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-on: https://gem5-review.googlesource.com/2700
2015-07-20syscall_emul: [patch 13/22] add system call retry capabilityBrandon Potter
This changeset adds functionality that allows system calls to retry without affecting thread context state such as the program counter or register values for the associated thread context (when system calls return with a retry fault). This functionality is needed to solve problems with blocking system calls in multi-process or multi-threaded simulations where information is passed between processes/threads. Blocking system calls can cause deadlock because the simulator itself is single threaded. There is only a single thread servicing the event queue which can cause deadlock if the thread hits a blocking system call instruction. To illustrate the problem, consider two processes using the producer/consumer sharing model. The processes can use file descriptors and the read and write calls to pass information to one another. If the consumer calls the blocking read system call before the producer has produced anything, the call will block the event queue (while executing the system call instruction) and deadlock the simulation. The solution implemented in this changeset is to recognize that the system calls will block and then generate a special retry fault. The fault will be sent back up through the function call chain until it is exposed to the cpu model's pipeline where the fault becomes visible. The fault will trigger the cpu model to replay the instruction at a future tick where the call has a chance to succeed without actually going into a blocking state. In subsequent patches, we recognize that a syscall will block by calling a non-blocking poll (from inside the system call implementation) and checking for events. When events show up during the poll, it signifies that the call would not have blocked and the syscall is allowed to proceed (calling an underlying host system call if necessary). If no events are returned from the poll, we generate the fault and try the instruction for the thread context at a distant tick. Note that retrying every tick is not efficient. As an aside, the simulator has some multi-threading support for the event queue, but it is not used by default and needs work. Even if the event queue was completely multi-threaded, meaning that there is a hardware thread on the host servicing a single simulator thread contexts with a 1:1 mapping between them, it's still possible to run into deadlock due to the event queue barriers on quantum boundaries. The solution of replaying at a later tick is the simplest solution and solves the problem generally.
2015-07-28revert 5af8f40d8f2cNilay Vaish
2015-07-26cpu: implements vector registersNilay Vaish
This adds a vector register type. The type is defined as a std::array of a fixed number of uint64_ts. The isa_parser.py has been modified to parse vector register operands and generate the required code. Different cpus have vector register files now.
2015-05-15misc: Appease gcc 5.1Andreas Hansson
Three minor issues are resolved: 1. Apparently gcc 5.1 does not like negation of booleans followed by bitwise AND. 2. Somehow the compiler also gets confused and warns about NoopMachInst being unused (removing it causes compilation errors though). Most likely a compiler bug. 3. There seems to be a number of instances where loop unrolling causes false positives for the array-bounds check. For now, switch to std::array. Potentially we could disable the warning for newer gcc versions, but switching to std::array is probably a good move in any case.
2014-09-27arch: Use const StaticInstPtr references where possibleAndreas Hansson
This patch optimises the passing of StaticInstPtr by avoiding copying the reference-counting pointer. This avoids first incrementing and then decrementing the reference-counting pointer.
2014-09-19arch: Pass faults by const reference where possibleAndreas Hansson
This patch changes how faults are passed between methods in an attempt to copy as few reference-counting pointer instances as possible. This should avoid unecessary copies being created, contributing to the increment/decrement of the reference counters.
2014-09-03arch, cpu: Factor out the ExecContext into a proper base classAndreas Sandberg
We currently generate and compile one version of the ISA code per CPU model. This is obviously wasting a lot of resources at compile time. This changeset factors out the interface into a separate ExecContext class, which also serves as documentation for the interface between CPUs and the ISA code. While doing so, this changeset also fixes up interface inconsistencies between the different CPU models. The main argument for using one set of ISA code per CPU model has always been performance as this avoid indirect branches in the generated code. However, this argument does not hold water. Booting Linux on a simulated ARM system running in atomic mode (opt/10.linux-boot/realview-simple-atomic) is actually 2% faster (compiled using clang 3.4) after applying this patch. Additionally, compilation time is decreased by 35%.
2014-03-12alpha: Small removal of dead comments/code from alpha ISAPaul Rosenfeld
Committed by: Nilay Vaish <nilay@cs.wisc.edu>
2013-10-15cpu: add a condition-code register classYasuko Eckert
Add a third register class for condition codes, in parallel with the integer and FP classes. No ISAs use the CC class at this point though.
2013-10-15cpu: rename *_DepTag constants to *_Reg_BaseSteve Reinhardt
Make these names more meaningful. Specifically, made these substitutions: s/FP_Base_DepTag/FP_Reg_Base/g; s/Ctrl_Base_DepTag/Misc_Reg_Base/g; s/Max_DepTag/Max_Reg_Index/g;
2013-10-15cpu: clean up architectural register classificationSteve Reinhardt
Move from a poorly documented scheme where the mapping of unified architectural register indices to register classes is hardcoded all over to one where there's an enum for the register classes and a function that encapsulates the mapping.
2013-02-15cpu: Avoid duplicate entries in tracking structures for writes to misc regsGeoffrey Blake
setMiscReg currently makes a new entry for each write to a misc reg without checking for duplicates, this can cause a triggering of the assert if an instruction get replayed and writes to the same misc regs multiple times. This fix prevents duplicate entries and instead updates the value.
2013-02-15o3: fix tick used for renaming and issue with range selectionMatt Horsnell
Fixes the tick used from rename: - previously this gathered the tick on leaving rename which was always 1 less than the dispatch. This conflated the decode ticks when back pressure built in the pipeline. - now picks up tick on entry. Added --store_completions flag: - will additionally display the store completion tail in the viewer. - this highlights periods when large numbers of stores are outstanding (>16 LSQ blocking) Allows selection by tick range (previously this caused an infinite loop)
2013-01-07cpu: rename the misleading inSyscall to noSquashFromTCAli Saidi
isSyscall was originally created because during handling of a syscall in SE mode the threadcontext had to be updated. However, in many places this is used in FS mode (e.g. fault handlers) and the name doesn't make much sense. The boolean actually stops gem5 from squashing speculative and non-committed state when a write to a threadcontext happens, so re-name the variable to something more appropriate
2012-09-25CPU: Add abandoned instructions to O3 Pipe ViewerDjordje Kovacevic
2012-06-05O3: Clean up the O3 structures and try to pack them a bit better.Ali Saidi
DynInst is extremely large the hope is that this re-organization will put the most used members close to each other.
2012-03-19gcc: Clean-up of non-C++0x compliant code, first stepsAndreas Hansson
This patch cleans up a number of minor issues aiming to get closer to compliance with the C++0x standard as interpreted by gcc and clang (compile with std=c++0x and -pedantic-errors). In particular, the patch cleans up enums where the last item was succeded by a comma, namespaces closed by a curcly brace followed by a semi-colon, and the use of the GNU-extension typeof (replaced by templated functions). It does not address variable-length arrays, zero-size arrays, anonymous structs, range expressions in switch statements, and the use of long long. The generated CPU code also has a large number of issues that remain to be fixed, mainly related to overflows in implicit constant conversion (due to shifts).
2011-11-01SE/FS: Expose the same methods on the CPUs in SE and FS modes.Gabe Black
2011-09-19Syscall: Make the syscall function available in both SE and FS modes.Gabe Black
In FS mode the syscall function will panic, but the interface will be consistent and code which calls syscall can be compiled in. This will allow, for instance, instructions that use syscall to be built unconditionally but then not returned by the decoder.
2011-08-14O3: Add a pointer to the macroop for a microop in the dyninst.Gabe Black
2011-08-02O3: Get rid of the raw ExtMachInst constructor on DynInsts.Gabe Black
This constructor assumes that the ExtMachInst can be decoded directly into a StaticInst that's useful to execute. With the advent of microcoded instructions that's no longer true.
2011-07-15O3: Create a pipeline activity viewer for the O3 CPU model.Giacomo Gabrielli
Implemented a pipeline activity viewer as a python script (util/o3-pipeview.py) and modified O3 code base to support an extra trace flag (O3PipeView) for generating traces to be used as inputs by the tool.
2011-04-15includes: sort all includesNathan Binkert
2011-01-18ARM: Add support for moving predicated false dest operands from sources.Ali Saidi
2010-12-07O3: Make all instructions that write a misc. register not perform the write ↵Giacomo Gabrielli
until commit. ARM instructions updating cumulative flags (ARM FP exceptions and saturation flags) are not serialized. Added aliases for ARM FP exceptions and saturation flags in FPSCR. Removed write accesses to the FP condition codes for most ARM VFP instructions: only VCMP and VCMPE instructions update the FP condition codes. Removed a potential cause of seg. faults in the O3 model for NEON memory macro-ops (ARM).
2010-10-31ISA,CPU,etc: Create an ISA defined PC type that abstracts out ISA behaviors.Gabe Black
This change is a low level and pervasive reorganization of how PCs are managed in M5. Back when Alpha was the only ISA, there were only 2 PCs to worry about, the PC and the NPC, and the lsb of the PC signaled whether or not you were in PAL mode. As other ISAs were added, we had to add an NNPC, micro PC and next micropc, x86 and ARM introduced variable length instruction sets, and ARM started to keep track of mode bits in the PC. Each CPU model handled PCs in its own custom way that needed to be updated individually to handle the new dimensions of variability, or, in the case of ARMs mode-bit-in-the-pc hack, the complexity could be hidden in the ISA at the ISA implementation's expense. Areas like the branch predictor hadn't been updated to handle branch delay slots or micropcs, and it turns out that had introduced a significant (10s of percent) performance bug in SPARC and to a lesser extend MIPS. Rather than perpetuate the problem by reworking O3 again to handle the PC features needed by x86, this change was introduced to rework PC handling in a more modular, transparent, and hopefully efficient way. PC type: Rather than having the superset of all possible elements of PC state declared in each of the CPU models, each ISA defines its own PCState type which has exactly the elements it needs. A cross product of canned PCState classes are defined in the new "generic" ISA directory for ISAs with/without delay slots and microcode. These are either typedef-ed or subclassed by each ISA. To read or write this structure through a *Context, you use the new pcState() accessor which reads or writes depending on whether it has an argument. If you just want the address of the current or next instruction or the current micro PC, you can get those through read-only accessors on either the PCState type or the *Contexts. These are instAddr(), nextInstAddr(), and microPC(). Note the move away from readPC. That name is ambiguous since it's not clear whether or not it should be the actual address to fetch from, or if it should have extra bits in it like the PAL mode bit. Each class is free to define its own functions to get at whatever values it needs however it needs to to be used in ISA specific code. Eventually Alpha's PAL mode bit could be moved out of the PC and into a separate field like ARM. These types can be reset to a particular pc (where npc = pc + sizeof(MachInst), nnpc = npc + sizeof(MachInst), upc = 0, nupc = 1 as appropriate), printed, serialized, and compared. There is a branching() function which encapsulates code in the CPU models that checked if an instruction branched or not. Exactly what that means in the context of branch delay slots which can skip an instruction when not taken is ambiguous, and ideally this function and its uses can be eliminated. PCStates also generally know how to advance themselves in various ways depending on if they point at an instruction, a microop, or the last microop of a macroop. More on that later. Ideally, accessing all the PCs at once when setting them will improve performance of M5 even though more data needs to be moved around. This is because often all the PCs need to be manipulated together, and by getting them all at once you avoid multiple function calls. Also, the PCs of a particular thread will have spatial locality in the cache. Previously they were grouped by element in arrays which spread out accesses. Advancing the PC: The PCs were previously managed entirely by the CPU which had to know about PC semantics, try to figure out which dimension to increment the PC in, what to set NPC/NNPC, etc. These decisions are best left to the ISA in conjunction with the PC type itself. Because most of the information about how to increment the PC (mainly what type of instruction it refers to) is contained in the instruction object, a new advancePC virtual function was added to the StaticInst class. Subclasses provide an implementation that moves around the right element of the PC with a minimal amount of decision making. In ISAs like Alpha, the instructions always simply assign NPC to PC without having to worry about micropcs, nnpcs, etc. The added cost of a virtual function call should be outweighed by not having to figure out as much about what to do with the PCs and mucking around with the extra elements. One drawback of making the StaticInsts advance the PC is that you have to actually have one to advance the PC. This would, superficially, seem to require decoding an instruction before fetch could advance. This is, as far as I can tell, realistic. fetch would advance through memory addresses, not PCs, perhaps predicting new memory addresses using existing ones. More sophisticated decisions about control flow would be made later on, after the instruction was decoded, and handed back to fetch. If branching needs to happen, some amount of decoding needs to happen to see that it's a branch, what the target is, etc. This could get a little more complicated if that gets done by the predecoder, but I'm choosing to ignore that for now. Variable length instructions: To handle variable length instructions in x86 and ARM, the predecoder now takes in the current PC by reference to the getExtMachInst function. It can modify the PC however it needs to (by setting NPC to be the PC + instruction length, for instance). This could be improved since the CPU doesn't know if the PC was modified and always has to write it back. ISA parser: To support the new API, all PC related operand types were removed from the parser and replaced with a PCState type. There are two warts on this implementation. First, as with all the other operand types, the PCState still has to have a valid operand type even though it doesn't use it. Second, using syntax like PCS.npc(target) doesn't work for two reasons, this looks like the syntax for operand type overriding, and the parser can't figure out if you're reading or writing. Instructions that use the PCS operand (which I've consistently called it) need to first read it into a local variable, manipulate it, and then write it back out. Return address stack: The return address stack needed a little extra help because, in the presence of branch delay slots, it has to merge together elements of the return PC and the call PC. To handle that, a buildRetPC utility function was added. There are basically only two versions in all the ISAs, but it didn't seem short enough to put into the generic ISA directory. Also, the branch predictor code in O3 and InOrder were adjusted so that they always store the PC of the actual call instruction in the RAS, not the next PC. If the call instruction is a microop, the next PC refers to the next microop in the same macroop which is probably not desirable. The buildRetPC function advances the PC intelligently to the next macroop (in an ISA specific way) so that that case works. Change in stats: There were no change in stats except in MIPS and SPARC in the O3 model. MIPS runs in about 9% fewer ticks. SPARC runs with 30%-50% fewer ticks, which could likely be improved further by setting call/return instruction flags and taking advantage of the RAS. TODO: Add != operators to the PCState classes, defined trivially to be !(a==b). Smooth out places where PCs are split apart, passed around, and put back together later. I think this might happen in SPARC's fault code. Add ISA specific constructors that allow setting PC elements without calling a bunch of accessors. Try to eliminate the need for the branching() function. Factor out Alpha's PAL mode pc bit into a separate flag field, and eliminate places where it's blindly masked out or tested in the PC.
2009-09-23arch: nuke arch/isa_specific.hh and move stuff to generated config/the_isa.hhNathan Binkert
2009-07-08Registers: Get rid of the float register width parameter.Gabe Black
2008-10-20O3CPU: Undo Gabe's changes to remove hwrei and simpalcheck from O3 CPU. ↵Ali Saidi
Removing hwrei causes the instruction after the hwrei to be fetched before the ITB/DTB_CM register is updated in a call pal call sys and thus the translation fails because the user is attempting to access a super page address. Minimally, it seems as though some sort of fetch stall or refetch after a hwrei is required. I think this works currently because the hwrei uses the exec context interface, and the o3 stalls when that occurs. Additionally, these changes don't update the LOCK register and probably break ll/sc. Both o3 changes were removed since a great deal of manual patching would be required to only remove the hwrei change.
2008-10-11CPU: Eliminate the simPalCheck funciton.Gabe Black
2008-10-11CPU: Eliminate the hwrei function.Gabe Black
2008-10-09O3: Generaize the O3 dynamic instruction class so it isn't split out by ISA.Gabe Black
--HG-- rename : src/cpu/o3/dyn_inst.hh => src/cpu/o3/dyn_inst_decl.hh rename : src/cpu/o3/alpha/dyn_inst_impl.hh => src/cpu/o3/dyn_inst_impl.hh
2008-02-05Add base ARM code to M5Stephen Hines
--HG-- extra : convert_revision : d811bf87d1a0bfc712942ecd3db1b48fc75257af
2007-03-05Added an x86 dyninstGabe Black
--HG-- extra : convert_revision : 2317e9bb0bcf8010ab5d02019f7a14eeb7b1459c
2006-08-11Started to add support for O3 for sparc.Gabe Black
--HG-- extra : convert_revision : 3f94bda14024a09b9fbd7a5d13284d4987349ddf
2006-07-23This changeset gets the MIPS ISA pretty much working in the O3CPU. It ↵Korey Sewell
builds, runs, and gets very very close to completing the hello world succesfully but there are some minor quirks to iron out. Who would've known a DELAY SLOT introduces that much complexity?! arrgh! Anyways, a lot of this stuff had to do with my project at MIPS and me needing to know how I was going to get this working for the MIPS ISA. So I figured I would try to touch it up and throw it in here (I hate to introduce non-completely working components... ) src/arch/alpha/isa/mem.isa: spacing src/arch/mips/faults.cc: src/arch/mips/faults.hh: Gabe really authored this src/arch/mips/isa/decoder.isa: add StoreConditional Flag to instruction src/arch/mips/isa/formats/basic.isa: Steven really did this file src/arch/mips/isa/formats/branch.isa: fix bug for uncond/cond control src/arch/mips/isa/formats/mem.isa: Adjust O3CPU memory access to use new memory model interface. src/arch/mips/isa/formats/util.isa: update LoadStoreBase template src/arch/mips/isa_traits.cc: update SERIALIZE partially src/arch/mips/process.cc: src/arch/mips/process.hh: no need for this for NOW. ASID/Virtual addressing handles it src/arch/mips/regfile/misc_regfile.hh: add in clear() function and comments for future usage of special misc. regs src/cpu/base_dyn_inst.hh: add in nextNPC variable and supporting functions. add isCondDelaySlot function Update predTaken and mispredicted functions src/cpu/base_dyn_inst_impl.hh: init nextNPC src/cpu/o3/SConscript: add MIPS files to compile src/cpu/o3/alpha/thread_context.hh: no need for my name on this file src/cpu/o3/bpred_unit_impl.hh: Update RAS appropriately for MIPS src/cpu/o3/comm.hh: add some extra communication variables to aid in handling the delay slots src/cpu/o3/commit.hh: minor name fix for nextNPC functions. src/cpu/o3/commit_impl.hh: src/cpu/o3/decode_impl.hh: src/cpu/o3/fetch_impl.hh: src/cpu/o3/iew_impl.hh: src/cpu/o3/inst_queue_impl.hh: src/cpu/o3/rename_impl.hh: Fix necessary variables and functions for squashes with delay slots src/cpu/o3/cpu.cc: Update function interface ... adjust removeInstsNotInROB function to recognize delay slots insts src/cpu/o3/cpu.hh: update removeInstsNotInROB src/cpu/o3/decode.hh: declare necessary variables for handling delay slot src/cpu/o3/dyn_inst.hh: Add in MipsDynInst src/cpu/o3/fetch.hh: src/cpu/o3/iew.hh: src/cpu/o3/rename.hh: declare necessary variables and adjust functions for handling delay slot src/cpu/o3/inst_queue.hh: src/cpu/simple/base.cc: no need for my name here src/cpu/o3/isa_specific.hh: add in MIPS files src/cpu/o3/scoreboard.hh: dont include alpha specific isa traits! src/cpu/o3/thread_context.hh: no need for my name here, i just rearranged where the file goes src/cpu/static_inst.hh: add isCondDelaySlot function src/cpu/o3/mips/cpu.cc: src/cpu/o3/mips/cpu.hh: src/cpu/o3/mips/cpu_builder.cc: src/cpu/o3/mips/cpu_impl.hh: src/cpu/o3/mips/dyn_inst.cc: src/cpu/o3/mips/dyn_inst.hh: src/cpu/o3/mips/dyn_inst_impl.hh: src/cpu/o3/mips/impl.hh: src/cpu/o3/mips/params.hh: src/cpu/o3/mips/thread_context.cc: src/cpu/o3/mips/thread_context.hh: MIPS file for O3CPU...mirrors ALPHA definition --HG-- extra : convert_revision : 9bb199b4085903e49ffd5a4c8ac44d11460d988c
2006-07-06Had to add this because for some reason gcc wasnt recognizing "THE_ISA == ↵Korey Sewell
ALPHA_ISA"... wierd but OK --HG-- extra : convert_revision : f847d6c01212e32200a319c16596b8e1c1d15c7d
2006-07-06Use O3DynInst in cpu_models.py and in static_inst_exec_sigs.hh instead of a ↵Korey Sewell
specific ISA dyn. inst. src/cpu/cpu_models.py: Use O3DynInst src/cpu/o3/dyn_inst.hh: declare O3DynInst here based off of ISA ... this must be updated for each ISA. src/cpu/static_inst.hh: take out O3 forward declarations here and include header file to keep this file clean --HG-- extra : convert_revision : 0d65463479c3cfc2d1154935b1032dae32c5efd0
2006-07-06more steps toward O3 SMTKorey Sewell
src/arch/mips/isa/formats/fp.isa: Adjust for newmem src/cpu/cpu_models.py: Use O3DynInst instead of convoluted way src/cpu/o3/alpha/impl.hh: take out O3DynInst typedef here ... src/cpu/o3/cpu.cc: open up the SMT functions in the O3CPU src/cpu/static_inst.hh: Add O3DynInst src/cpu/o3/dyn_inst.hh: Use to get ISA-specific O3DynInst --HG-- extra : convert_revision : 3713187ead93e336e80889e23a1f1d2f36d664fe