RubyPort.hh (6899:f8057af86bf7) | RubyPort.hh (6922:1620cffaa3b6) |
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1 2/* 3 * Copyright (c) 2009 Advanced Micro Devices, Inc. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are 8 * met: redistributions of source code must retain the above copyright --- 23 unchanged lines hidden (view full) --- 32 33#include "mem/ruby/libruby.hh" 34#include <string> 35#include <assert.h> 36 37#include "mem/mem_object.hh" 38#include "mem/tport.hh" 39#include "mem/physical.hh" | 1 2/* 3 * Copyright (c) 2009 Advanced Micro Devices, Inc. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are 8 * met: redistributions of source code must retain the above copyright --- 23 unchanged lines hidden (view full) --- 32 33#include "mem/ruby/libruby.hh" 34#include <string> 35#include <assert.h> 36 37#include "mem/mem_object.hh" 38#include "mem/tport.hh" 39#include "mem/physical.hh" |
40#include "mem/protocol/RequestStatus.hh" |
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40 41#include "params/RubyPort.hh" 42 43using namespace std; 44 45class MessageBuffer; 46class AbstractController; 47 --- 52 unchanged lines hidden (view full) --- 100 typedef RubyPortParams Params; 101 RubyPort(const Params *p); 102 virtual ~RubyPort() {} 103 104 void init(); 105 106 Port *getPort(const std::string &if_name, int idx); 107 | 41 42#include "params/RubyPort.hh" 43 44using namespace std; 45 46class MessageBuffer; 47class AbstractController; 48 --- 52 unchanged lines hidden (view full) --- 101 typedef RubyPortParams Params; 102 RubyPort(const Params *p); 103 virtual ~RubyPort() {} 104 105 void init(); 106 107 Port *getPort(const std::string &if_name, int idx); 108 |
108 virtual int64_t makeRequest(const RubyRequest & request) = 0; | 109 virtual RequestStatus makeRequest(const RubyRequest & request) = 0; |
109 | 110 |
110 void registerHitCallback(void (*hit_callback)(int64_t request_id)) { 111 // 112 // Can't assign hit_callback twice and by default it is set to the 113 // RubyPort's default callback function. 114 // 115 assert(m_hit_callback == ruby_hit_callback); 116 m_hit_callback = hit_callback; 117 } 118 | |
119 // 120 // Called by the controller to give the sequencer a pointer. 121 // A pointer to the controller is needed for atomic support. 122 // 123 void setController(AbstractController* _cntrl) { m_controller = _cntrl; } 124 125protected: 126 const string m_name; | 111 // 112 // Called by the controller to give the sequencer a pointer. 113 // A pointer to the controller is needed for atomic support. 114 // 115 void setController(AbstractController* _cntrl) { m_controller = _cntrl; } 116 117protected: 118 const string m_name; |
127 void (*m_hit_callback)(int64_t); | 119 void ruby_hit_callback(PacketPtr pkt); 120 void hit(PacketPtr pkt); |
128 | 121 |
129 int64_t makeUniqueRequestID() { 130 // The request ID is generated by combining the port ID with a request count 131 // so that request IDs can be formed concurrently by multiple threads. 132 // IDs are formed as follows: 133 // 134 // 135 // 0 PortID Request Count 136 // +----+---------------+-----------------------------------------------------+ 137 // | 63 | 62-48 | 47-0 | 138 // +----+---------------+-----------------------------------------------------+ 139 // 140 // 141 // This limits the system to a maximum of 2^11 == 2048 components 142 // and 2^48 ~= 3x10^14 requests per component 143 144 int64_t id = (static_cast<uint64_t>(m_port_id) << 48) | m_request_cnt; 145 m_request_cnt++; 146 // assert((m_request_cnt & (1<<48)) == 0); 147 return id; 148 } 149 | |
150 int m_version; 151 AbstractController* m_controller; 152 MessageBuffer* m_mandatory_q_ptr; 153 PioPort* pio_port; 154 | 122 int m_version; 123 AbstractController* m_controller; 124 MessageBuffer* m_mandatory_q_ptr; 125 PioPort* pio_port; 126 |
155 // 156 // The pending request map is protected so that the Sequencer can access it. 157 // This is a temporary fix until the libruby inteface is cleaned 158 // 159 struct RequestCookie { 160 Packet *pkt; 161 M5Port *m5Port; 162 RequestCookie(Packet *p, M5Port *m5p) 163 : pkt(p), m5Port(m5p) 164 {} 165 }; 166 167 typedef std::map<int64_t, RequestCookie*> RequestMap; 168 static RequestMap pending_cpu_requests; 169 | |
170private: | 127private: |
171 static uint16_t m_num_ports; 172 uint16_t m_port_id; 173 uint64_t m_request_cnt; | 128 uint16_t m_port_id; 129 uint64_t m_request_cnt; |
174 | 130 |
175 static void ruby_hit_callback(int64_t req_id); 176 | |
177 M5Port* physMemPort; 178 179 PhysicalMemory* physmem; 180}; 181 182#endif | 131 M5Port* physMemPort; 132 133 PhysicalMemory* physmem; 134}; 135 136#endif |