sanchayanmaity/gem5
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity
7614 commits 2 branches 0 tags 204 MiB
Commit graph

7614 commits

This branch
This branch
All branches
Author SHA1 Message Date
Gene Wu
a02d82f9f8 ARM: Implement DBG instruction that doesn't do much for now. 2010-08-23 11:18:41 -05:00
Gene Wu
d6736384b2 MEM: Make CLREX a first class request operation and clear locks in caches when it in received 2010-08-23 11:18:41 -05:00
Gene Wu
23626d99af ARM: Make sure that software prefetch instructions can't change the state of the TLB 2010-08-23 11:18:41 -05:00
Gene Wu
1fd104fc35 ARM: Don't write tracedata on writes, it might have been freed already. 2010-08-23 11:18:41 -05:00
Gene Wu
9db2ab8a62 ARM: Implement CLREX init/complete acc methods 2010-08-23 11:18:41 -05:00
Gene Wu
f29e09746a ARM: Fix Uncachable TLB requests and decoding of xn bit 2010-08-23 11:18:41 -05:00
Gene Wu
4b9de42439 Devices: Allow a device to specify that a request is uncachable. 2010-08-23 11:18:41 -05:00
Gene Wu
aa601750f8 ARM: For non-cachable accesses set the UNCACHABLE flag 2010-08-23 11:18:41 -05:00
Gene Wu
7405f4b774 ARM: Implement DSB, DMB, ISB 2010-08-23 11:18:41 -05:00
Gene Wu
aabf478920 ARM: Get SCTLR TE bit from reset SCTLR 2010-08-23 11:18:41 -05:00
Gene Wu
1f032ad345 ARM: Implement CLREX 2010-08-23 11:18:41 -05:00
Gene Wu
66bcbec96e ARM: BX instruction can be contitional if last instruction in a IT block 
Branches are allowed to be the last instuction in an IT block. Before it was
assumed that they could not. So Branches in thumb2 were Uncond.
 2010-08-23 11:18:41 -05:00
Min Kyu Jeong
ad2c3b008d CPU: Print out flatten-out register index as with IntRegs/FloatRegs traceflag 2010-08-23 11:18:41 -05:00
Min Kyu Jeong
03286e9d4e CPU: Make Exec trace to print predication result (if false) for memory instructions 2010-08-23 11:18:41 -05:00
Min Kyu Jeong
92ae620be8 ARM: mark msr/mrs instructions as SerializeBefore/After 
Since miscellaneous registers bypass wakeup logic, force serialization
to resolve data dependencies through them
* * *
ARM: adding non-speculative/serialize flags for instructions change CPSR
 2010-08-23 11:18:41 -05:00
Min Kyu Jeong
43c938d23e O3: Handle loads when the destination is the PC. 
For loads that PC is the destination, check if the load
was mispredicted again when the value being loaded returns from memory
 2010-08-23 11:18:40 -05:00
Min Kyu Jeong
5f91ec3f46 ARM/O3: store the result of the predicate evaluation in DynInst or Threadstate. 
THis allows the CPU to handle predicated-false instructions accordingly.
This particular patch makes loads that are predicated-false to be sent
straight to the commit stage directly, not waiting for return of the data
that was never requested since it was predicated-false.
 2010-08-23 11:18:40 -05:00
Min Kyu Jeong
7acf67971c ARM: adding genMachineCheckFault() stub for ARM that doesn't panic 2010-08-23 11:18:40 -05:00
Gene Wu
5486fa6612 ARM: DFSR status value for sync external data abort is expected to be 0x8 in ARMv7 2010-08-23 11:18:40 -05:00
Gene Wu
a993188034 ARM: Temporary local variables can't conflict with isa parser operands. 
PC is an operand, so we can't have a temp called PC
 2010-08-23 11:18:40 -05:00
Ali Saidi
0c434b7f56 ARM: Exclusive accesses must be double word aligned 2010-08-23 11:18:40 -05:00
Ali Saidi
5148c693d8 ARM: Add some registers for big loads/stores to support neon. 2010-08-23 11:18:40 -05:00
Ali Saidi
fc1730044e ARM: Decode neon memory instructions. 2010-08-23 11:18:40 -05:00
Gabe Black
d1362d582a ARM: Clean up the ISA desc portion of the ARM memory instructions. 2010-08-23 11:18:40 -05:00
Ali Saidi
ef3a3dc28a Loader: Don't insert symbols into the symbol table that begin wiht '$'. 2010-08-23 11:18:40 -05:00
Ali Saidi
230acc291c ARM: We don't currently support ThumbEE exceptions, so don't report that we do 2010-08-23 11:18:40 -05:00
Ali Saidi
c0ca01ec36 ARM: Change how the AMBA device ID checking is done to make it more generic 2010-08-23 11:18:40 -05:00
Ali Saidi
330fada1aa ARM: Add configuration for Linux/Full System 2010-08-23 11:18:40 -05:00
Ali Saidi
bb5377899a ARM: Add system for ARM/Linux and bootstrapping 2010-08-23 11:18:40 -05:00
Ali Saidi
8ed4f0a02c ARM: Add I/O devices for booting linux 
--HG--
rename : src/dev/arm/Versatile.py => src/dev/arm/RealView.py
rename : src/dev/arm/versatile.cc => src/dev/arm/realview.cc
rename : src/dev/arm/versatile.hh => src/dev/arm/realview.hh
 2010-08-23 11:18:40 -05:00
Ali Saidi
38cf6a164d ARM: Implement some more misc registers 2010-08-23 11:18:40 -05:00
Ali Saidi
b7b2eae6fa ARM: Fix an un-initialized variable bug 2010-08-23 11:18:39 -05:00
Ali Saidi
4ab68fc999 Loader: Use address mask provided to load*Symbols when loading the symbols from the symbol table. 2010-08-23 11:18:39 -05:00
Ali Saidi
f2642e2055 Loader: Make the load address mask be a parameter of the system rather than a constant. 
This allows one two different OS requirements for the same ISA to be handled.
Some OSes are compiled for a virtual address and need to be loaded into physical
memory that starts at address 0, while other bare metal tools generate
images that start at address 0.
 2010-08-23 11:18:39 -05:00
Min Kyu Jeong
d4e83a4001 ARM: Finish the timing translation when taking a fault. 2010-08-23 11:18:39 -05:00
Dam Sunwoo
cb76111a7e ARM: Use a stl queue for the table walker state 2010-08-23 11:18:39 -05:00
Ali Saidi
1d1837ee98 CPU: Set a default value when readBytes faults. 
This was being done in read(), but if readBytes was called directly it
wouldn't happen. Also, instead of setting the memory blob being read to -1
which would (I believe) require using memset with -1 as a parameter, this now
uses bzero. It's hoped that it's more specialized behavior will make it
slightly faster.
 2010-08-23 11:18:39 -05:00
Ali Saidi
ac575a9d82 Compiler: Fixes for GCC 4.5. 2010-08-23 11:18:39 -05:00
Ali Saidi
7d191366e1 BASE: Fix genrand to generate both 0s and 1s when max equals one. 
previously was only generating 0s.
 2010-08-23 11:18:39 -05:00
Ali Saidi
7793773809 stats: Fix off-by-one error in distributions. 
bkt size isn't evenly divisible by max-min and it would round down,
it's possible to sample a distribution and have no place to put the sample.
When this case occured the simulator would assert.
 2010-08-23 11:18:39 -05:00
Gabe Black
fa01fbddeb X86: Get rid of unused file arguments.hh. 2010-08-22 18:42:23 -07:00
Gabe Black
4ad30a662d SPARC: Fix some style issues in utility.hh. 2010-08-22 18:39:39 -07:00
Gabe Black
5836023ab2 X86: Get rid of the unused getAllocator on the python base microop class. 
This function is always overridden, and doesn't actually have the right
signature.
 2010-08-22 18:24:09 -07:00
Brad Beckmann
3d93afe348 regress: Regression tester updates 
Regression tester updates required by the following patches:

brad/moved_python_protocol_files: config: moved python protocol config files
brad/ruby_options_movement: config: reorganized how ruby specifies command-line options
brad/config_token_bcast: ruby: added token broadcast config params to cmd options
brad/topology_name: config: Added the topology description to m5 config.ini
brad/ruby_system_names: config: Improve ruby simobject names
brad/consolidated_protocol_stats: slicc: Consolidated the protocol stats printing
brad/ruby_request_type_ostream_fix: ruby: Added ruby_request_type ostream def to libruby.hh
brad/memtest_dma_extension: memtest: Memtester support for DMA
brad/token_dma_lockdown_fix: MOESI_CMP_token: Fixed dma persistent lockdown bugs
brad/profile_generic_mach_type: ruby: Reincarnated the responding machine profiling
brad/network_msg_consolidated_stats: ruby: Added consolidated network msg stats
brad/bcast_msg_profiling: ruby: Added bcast msg profiling to hammer and token
brad/l2cache_profiling_fix: ruby: Fixed L2 cache miss profiling
brad/llsc_ruby_m5_fix: ruby: fix ruby llsc support to sync sc outcomes
brad/ruby_latency_fixes: ruby: Reduced ruby latencies
brad/hammer_l2_cache_latency: ruby: Updated MOESI_hammer L2 latency behavior
brad/deterministic_resurrection: ruby: Resurrected Ruby's deterministic tests
brad/token_dma_fixes: ruby: MOESI_CMP_token dma fixes
brad/ruby_cmd_options: config: added cmd options to control ruby debug
brad/token_owner_fixes: ruby: fixed token bugs associated with owner token counts
brad/ruby_remove_try_except: ruby: Improved try except blocks in ruby creation
brad/ruby_port_callback_fix: ruby: Fixed RubyPort sendTiming callbacks
brad/interrupt_drain_fix: devices: Fixed periodic interrupts to work with draining
brad/llsc_trace_profile: ruby: Added SC fail indication to trace profiling
brad/no_migrate_atomic: ruby: Disable migratory sharing for token and hammer
brad/ruby_start_time_fix: ruby: Reset ruby stats in RubySystem unserialize
brad/numa_bit_select_fix: ruby: fixed DirectoryMemory's numa_high_bit configuration
brad/hammer_probe_filter: ruby: added probe filter support to hammer
brad/miss_latency_detail_profile: MOESI_hammer: break down miss latency stalled cycles
brad/recycle_latency_fix: ruby: Recycle latency fix for hammer
brad/stall_and_wait: ruby: Stall and wait input messages instead of recycling
brad/rubytest_request_flag_fix: ruby: Fixed minor bug in ruby test for setting the request type
brad/hammer_merge_gets: ruby: Added merge GETS optimization to hammer
brad/regress_updates: regress: Regression tester updates
 2010-08-20 17:44:26 -07:00
Brad Beckmann
8557480300 ruby: Added merge GETS optimization to hammer 
Added an optimization that merges multiple pending GETS requests into a
single request to the owner node.
 2010-08-20 11:46:14 -07:00
Brad Beckmann
908364a1c9 ruby: Fixed minor bug in ruby test for setting the request type 2010-08-20 11:46:14 -07:00
Brad Beckmann
e7f2da517a ruby: Stall and wait input messages instead of recycling 
This patch allows messages to be stalled in their input buffers and wait
until a corresponding address changes state.  In order to make this work,
all in_ports must be ranked in order of dependence and those in_ports that
may unblock an address, must wake up the stalled messages.  Alot of this
complexity is handled in slicc and the specification files simply
annotate the in_ports.

--HG--
rename : src/mem/slicc/ast/CheckAllocateStatementAST.py => src/mem/slicc/ast/StallAndWaitStatementAST.py
rename : src/mem/slicc/ast/CheckAllocateStatementAST.py => src/mem/slicc/ast/WakeUpDependentsStatementAST.py
 2010-08-20 11:46:14 -07:00
Brad Beckmann
af6b97e3ee ruby: Recycle latency fix for hammer 
Patch allows each individual message buffer to have different recycle latencies
and allows the overall recycle latency to be specified at the cmd line. The
patch also adds profiling info to make sure no one processor's requests are
recycled too much.
 2010-08-20 11:46:14 -07:00
Brad Beckmann
f57053473a MOESI_hammer: break down miss latency stalled cycles 
This patch tracks the number of cycles a transaction is delayed at different
points of the request-forward-response loop.
 2010-08-20 11:46:14 -07:00
Brad Beckmann
8b28848321 ruby: added probe filter support to hammer 2010-08-20 11:46:14 -07:00