1 2#include "mem/ruby/system/DMASequencer.hh" 3#include "mem/ruby/buffers/MessageBuffer.hh" 4#include "mem/ruby/slicc_interface/AbstractController.hh" 5 6/* SLICC generated types */ |
7#include "mem/protocol/SequencerMsg.hh" 8#include "mem/protocol/SequencerRequestType.hh" |
9#include "mem/ruby/system/System.hh" 10 11DMASequencer::DMASequencer(const string & name) 12 : RubyPort(name) 13{ 14} 15 16void DMASequencer::init(const vector<string> & argv) --- 43 unchanged lines hidden (view full) --- 60 active_request.start_paddr = paddr; 61 active_request.write = write; 62 active_request.data = data; 63 active_request.len = len; 64 active_request.bytes_completed = 0; 65 active_request.bytes_issued = 0; 66 active_request.id = makeUniqueRequestID(); 67 |
68 SequencerMsg msg; |
69 msg.getPhysicalAddress() = Address(paddr); 70 msg.getLineAddress() = line_address(msg.getPhysicalAddress()); |
71 msg.getType() = write ? SequencerRequestType_ST : SequencerRequestType_LD; 72 int offset = paddr & m_data_block_mask; 73 msg.getLen() = (offset + len) <= RubySystem::getBlockSizeBytes() ? |
74 len : |
75 RubySystem::getBlockSizeBytes() - offset; 76 if (write) 77 msg.getDataBlk().setData(data, offset, msg.getLen()); |
78 m_mandatory_q_ptr->enqueue(msg); 79 active_request.bytes_issued += msg.getLen(); 80 81 return active_request.id; 82} 83 84void DMASequencer::issueNext() 85{ 86 assert(m_is_busy == true); 87 active_request.bytes_completed = active_request.bytes_issued; 88 if (active_request.len == active_request.bytes_completed) { 89 m_hit_callback(active_request.id); 90 m_is_busy = false; 91 return; 92 } 93 |
94 SequencerMsg msg; |
95 msg.getPhysicalAddress() = Address(active_request.start_paddr + 96 active_request.bytes_completed); 97 assert((msg.getPhysicalAddress().getAddress() & m_data_block_mask) == 0); 98 msg.getLineAddress() = line_address(msg.getPhysicalAddress()); |
99 msg.getType() = (active_request.write ? SequencerRequestType_ST : 100 SequencerRequestType_LD); |
101 msg.getLen() = (active_request.len - 102 active_request.bytes_completed < RubySystem::getBlockSizeBytes() ? 103 active_request.len - active_request.bytes_completed : 104 RubySystem::getBlockSizeBytes()); 105 if (active_request.write) { 106 msg.getDataBlk().setData(&active_request.data[active_request.bytes_completed], 107 0, msg.getLen()); |
108 msg.getType() = SequencerRequestType_ST; |
109 } else { |
110 msg.getType() = SequencerRequestType_LD; |
111 } 112 m_mandatory_q_ptr->enqueue(msg); 113 active_request.bytes_issued += msg.getLen(); 114} 115 116void DMASequencer::dataCallback(const DataBlock & dblk) 117{ 118 assert(m_is_busy == true); --- 19 unchanged lines hidden --- |