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gem5/src/mem
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Andreas Hansson 5c2c3f598e mem: Make DRAM read/write switching less conservative 
This patch changes the read/write event loop to use a single event
(nextReqEvent), along with a state variable, thus joining the two
control flows. This change makes it easier to follow the state
transitions, and control what happens when.

With the new loop we modify the overly conservative switching times
such that the write-to-read switch allows bank preparation to happen
in parallel with the bus turn around. Similarly, the read-to-write
switch uses the introduced tRTW constraint.
2014-05-09 18:58:48 -04:00
..
cache mem: Squash prefetch requests from downstream caches 2014-05-09 18:58:46 -04:00
protocol ruby: slicc: change enqueue statement 2014-04-08 13:26:30 -05:00
ruby ruby: recorder: Fix (de-)serializing with different cache block-sizes 2014-04-19 09:00:30 -05:00
slicc ruby: slicc: remove old documentation 2014-04-19 09:00:31 -05:00
abstract_mem.cc mem: Wakeup sleeping CPUs without caches on LLSC 2014-03-07 15:56:23 -05:00
abstract_mem.hh mem: Avoid explicitly zeroing the memory backing store 2013-05-30 12:53:54 -04:00
AbstractMemory.py mem: Change AbstractMemory defaults to match the common case 2013-08-19 03:52:33 -04:00
addr_mapper.cc mem: Set the cache line size on a system level 2013-07-18 08:31:16 -04:00
addr_mapper.hh mem: Set the cache line size on a system level 2013-07-18 08:31:16 -04:00
AddrMapper.py sim: Include object header files in SWIG interfaces 2012-11-02 11:32:01 -05:00
bridge.cc mem: Set the cache line size on a system level 2013-07-18 08:31:16 -04:00
bridge.hh mem: Tidy up the bridge with const and additional checks 2013-06-27 05:49:49 -04:00
Bridge.py mem: Tidy up the bridge with const and additional checks 2013-06-27 05:49:49 -04:00
bus.cc mem: Set the cache line size on a system level 2013-07-18 08:31:16 -04:00
bus.hh mem: Set the cache line size on a system level 2013-07-18 08:31:16 -04:00
Bus.py mem: Set the cache line size on a system level 2013-07-18 08:31:16 -04:00
coherent_bus.cc mem: Make returning snoop responses occupy response layer 2013-05-30 12:54:02 -04:00
coherent_bus.hh mem: De-virtualise interfaces in the CoherentBus 2013-10-17 10:20:45 -05:00
comm_monitor.cc mem: Auto-generate CommMonitor trace file names 2014-05-09 18:58:46 -04:00
comm_monitor.hh mem: CommMonitor trace warn on non-timing mode 2014-03-23 11:11:40 -04:00
CommMonitor.py mem: Auto-generate CommMonitor trace file names 2014-05-09 18:58:46 -04:00
dram_ctrl.cc mem: Make DRAM read/write switching less conservative 2014-05-09 18:58:48 -04:00
dram_ctrl.hh mem: Make DRAM read/write switching less conservative 2014-05-09 18:58:48 -04:00
DRAMCtrl.py mem: Make DRAM read/write switching less conservative 2014-05-09 18:58:48 -04:00
dramsim2.cc mem: Add a wrapped DRAMSim2 memory controller 2014-02-18 05:50:53 -05:00
dramsim2.hh mem: Add a wrapped DRAMSim2 memory controller 2014-02-18 05:50:53 -05:00
DRAMSim2.py mem: Add a wrapped DRAMSim2 memory controller 2014-02-18 05:50:53 -05:00
dramsim2_wrapper.cc mem: Add a wrapped DRAMSim2 memory controller 2014-02-18 05:50:53 -05:00
dramsim2_wrapper.hh mem: Add a wrapped DRAMSim2 memory controller 2014-02-18 05:50:53 -05:00
fs_translating_port_proxy.cc arch: Resurrect the NOISA build target and rename it NULL 2013-09-04 13:22:57 -04:00
fs_translating_port_proxy.hh arch: Resurrect the NOISA build target and rename it NULL 2013-09-04 13:22:57 -04:00
mem_object.cc Port: Add protocol-agnostic ports in the port hierarchy 2012-10-15 08:12:35 -04:00
mem_object.hh Port: Add protocol-agnostic ports in the port hierarchy 2012-10-15 08:12:35 -04:00
MemObject.py sim: Include object header files in SWIG interfaces 2012-11-02 11:32:01 -05:00
mport.cc MEM: Separate snoops and normal memory requests/responses 2012-04-14 05:45:07 -04:00
mport.hh MEM: Separate requests and responses for timing accesses 2012-05-01 13:40:42 -04:00
noncoherent_bus.cc mem: Make the buses multi layered 2013-05-30 12:54:01 -04:00
noncoherent_bus.hh mem: Set the cache line size on a system level 2013-07-18 08:31:16 -04:00
packet.cc mem: Add support for a security bit in the memory system 2014-01-24 15:29:30 -06:00
packet.hh mem: Squash prefetch requests from downstream caches 2014-05-09 18:58:46 -04:00
packet_access.hh arch: nuke arch/isa_specific.hh and move stuff to generated config/the_isa.hh 2009-09-23 08:34:21 -07:00
packet_queue.cc mem: Adding verbose debug output in the memory system 2013-04-22 13:20:33 -04:00
packet_queue.hh sim: have a curTick per eventq 2012-11-16 10:27:47 -06:00
page_table.cc sim: Fix two bugs relating to software caching of PageTable entries. 2013-04-23 09:47:52 -04:00
page_table.hh sim: Fix two bugs relating to software caching of PageTable entries. 2013-04-23 09:47:52 -04:00
physical.cc mem: Fix bug in PhysicalMemory use of mmap and munmap 2014-02-18 05:51:01 -05:00
physical.hh mem: Merge ranges that are part of the conf table 2013-01-07 13:05:38 -05:00
port.cc mem: Set the cache line size on a system level 2013-07-18 08:31:16 -04:00
port.hh mem: Set the cache line size on a system level 2013-07-18 08:31:16 -04:00
port_proxy.cc mem: Set the cache line size on a system level 2013-07-18 08:31:16 -04:00
port_proxy.hh arch: Resurrect the NOISA build target and rename it NULL 2013-09-04 13:22:57 -04:00
qport.hh ruby: Simplify RubyPort flow control and routing 2014-02-23 19:16:16 -06:00
request.hh mem: prefetcher: add options, support for unaligned addresses 2014-01-29 23:21:25 -06:00
SConscript mem: Rename SimpleDRAM to a more suitable DRAMCtrl 2014-03-23 11:12:12 -04:00
se_translating_port_proxy.cc mem: Set the cache line size on a system level 2013-07-18 08:31:16 -04:00
se_translating_port_proxy.hh MEM: Introduce the master/slave port sub-classes in C++ 2012-03-30 09:40:11 -04:00
simple_mem.cc mem: Fix scheduling bug in SimpleMemory 2013-09-18 08:46:33 -04:00
simple_mem.hh mem: Add an internal packet queue in SimpleMemory 2013-08-19 03:52:25 -04:00
SimpleMemory.py mem: Add an internal packet queue in SimpleMemory 2013-08-19 03:52:25 -04:00
tport.cc mem: Replace check with panic where inhibited should not happen 2013-04-22 13:20:33 -04:00
tport.hh Port: Hide the queue implementation in SimpleTimingPort 2012-07-09 12:35:42 -04:00