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Diffstat (limited to 'src/mem/ruby/system/RubyMemoryControl.hh')
| -rw-r--r-- | src/mem/ruby/system/RubyMemoryControl.hh | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/src/mem/ruby/system/RubyMemoryControl.hh b/src/mem/ruby/system/RubyMemoryControl.hh deleted file mode 100644 index 042078db1..000000000 --- a/src/mem/ruby/system/RubyMemoryControl.hh +++ /dev/null @@ -1,172 +0,0 @@ -/* - * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood - * Copyright (c) 2012 Advanced Micro Devices, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer; - * redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution; - * neither the name of the copyright holders nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef __MEM_RUBY_SYSTEM_MEMORY_CONTROL_HH__ -#define __MEM_RUBY_SYSTEM_MEMORY_CONTROL_HH__ - -#include <iostream> -#include <list> -#include <string> - -#include "mem/protocol/MemoryMsg.hh" -#include "mem/ruby/common/Address.hh" -#include "mem/ruby/common/Consumer.hh" -#include "mem/ruby/common/Global.hh" -#include "mem/ruby/profiler/MemCntrlProfiler.hh" -#include "mem/ruby/slicc_interface/Message.hh" -#include "mem/ruby/system/MemoryControl.hh" -#include "mem/ruby/system/MemoryNode.hh" -#include "mem/ruby/system/System.hh" -#include "params/RubyMemoryControl.hh" -#include "sim/sim_object.hh" - -// This constant is part of the definition of tFAW; see -// the comments in header to RubyMemoryControl.cc -#define ACTIVATE_PER_TFAW 4 - -////////////////////////////////////////////////////////////////////////////// - -class RubyMemoryControl : public MemoryControl -{ - public: - typedef RubyMemoryControlParams Params; - RubyMemoryControl(const Params *p); - void init(); - void reset(); - - ~RubyMemoryControl(); - - unsigned int drain(DrainManager *dm); - - void wakeup(); - - void setConsumer(Consumer* consumer_ptr); - Consumer* getConsumer() { return m_consumer_ptr; }; - void setDescription(const std::string& name) { m_description = name; }; - std::string getDescription() { return m_description; }; - - // Called from the directory: - void enqueue(const MsgPtr& message, Cycles latency); - void enqueueMemRef(MemoryNode *memRef); - void dequeue(); - const Message* peek(); - MemoryNode *peekNode(); - bool isReady(); - bool areNSlotsAvailable(int n) { return true; }; // infinite queue length - - void print(std::ostream& out) const; - void regStats(); - - const int getBank(const physical_address_t addr) const; - const int getRank(const physical_address_t addr) const; - - // not used in Ruby memory controller - const int getChannel(const physical_address_t addr) const; - const int getRow(const physical_address_t addr) const; - - //added by SS - int getBanksPerRank() { return m_banks_per_rank; }; - int getRanksPerDimm() { return m_ranks_per_dimm; }; - int getDimmsPerChannel() { return m_dimms_per_channel; } - - bool functionalReadBuffers(Packet *pkt); - uint32_t functionalWriteBuffers(Packet *pkt); - - private: - void enqueueToDirectory(MemoryNode *req, Cycles latency); - const int getRank(int bank) const; - bool queueReady(int bank); - void issueRequest(int bank); - bool issueRefresh(int bank); - void markTfaw(int rank); - void executeCycle(); - - // Private copy constructor and assignment operator - RubyMemoryControl (const RubyMemoryControl& obj); - RubyMemoryControl& operator=(const RubyMemoryControl& obj); - - // data members - Consumer* m_consumer_ptr; // Consumer to signal a wakeup() - std::string m_description; - int m_msg_counter; - - int m_banks_per_rank; - int m_ranks_per_dimm; - int m_dimms_per_channel; - int m_bank_bit_0; - int m_rank_bit_0; - int m_dimm_bit_0; - unsigned int m_bank_queue_size; - int m_bank_busy_time; - int m_rank_rank_delay; - int m_read_write_delay; - int m_basic_bus_busy_time; - Cycles m_mem_ctl_latency; - int m_refresh_period; - int m_mem_random_arbitrate; - int m_tFaw; - Cycles m_mem_fixed_delay; - - int m_total_banks; - int m_total_ranks; - int m_refresh_period_system; - - // queues where memory requests live - std::list<MemoryNode *> m_response_queue; - std::list<MemoryNode *> m_input_queue; - std::list<MemoryNode *>* m_bankQueues; - - // Each entry indicates number of address-bus cycles until bank - // is reschedulable: - int* m_bankBusyCounter; - int* m_oldRequest; - - uint64* m_tfaw_shift; - int* m_tfaw_count; - - // Each of these indicates number of address-bus cycles until - // we can issue a new request of the corresponding type: - int m_busBusyCounter_Write; - int m_busBusyCounter_ReadNewRank; - int m_busBusyCounter_Basic; - - int m_busBusy_WhichRank; // which rank last granted - int m_roundRobin; // which bank queue was last granted - int m_refresh_count; // cycles until next refresh - int m_need_refresh; // set whenever m_refresh_count goes to zero - int m_refresh_bank; // which bank to refresh next - int m_ageCounter; // age of old requests; to detect starvation - int m_idleCount; // watchdog timer for shutting down - - MemCntrlProfiler* m_profiler_ptr; -}; - -std::ostream& operator<<(std::ostream& out, const RubyMemoryControl& obj); - -#endif // __MEM_RUBY_SYSTEM_MEMORY_CONTROL_HH__ |