RubyPort.hh (6844:b8421af116e5) RubyPort.hh (6876:a658c315512c)
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
9 * notice, this list of conditions and the following disclaimer;
10 * redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution;
13 * neither the name of the copyright holders nor the names of its
14 * contributors may be used to endorse or promote products derived from
15 * this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
1#ifndef RUBYPORT_H
2#define RUBYPORT_H
3
4#include "mem/ruby/libruby.hh"
5#include <string>
6#include <assert.h>
7
30#ifndef RUBYPORT_H
31#define RUBYPORT_H
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
40#include "params/RubyPort.hh"
41
8using namespace std;
9
42using namespace std;
43
10class RubyPort {
44class MessageBuffer;
45class AbstractController;
46
47class RubyPort : public MemObject {
11public:
48public:
12 RubyPort(const string & name)
13 : m_name(name)
14 {
15 m_port_id = m_num_ports++;
16 m_request_cnt = 0;
17 m_hit_callback = NULL;
18 assert(m_num_ports <= 2048); // see below for reason
19 }
49 typedef RubyPortParams Params;
50 RubyPort(const Params *p);
20 virtual ~RubyPort() {}
21
51 virtual ~RubyPort() {}
52
53 Port *getPort(const std::string &if_name, int idx);
54
22 virtual int64_t makeRequest(const RubyRequest & request) = 0;
23
24 void registerHitCallback(void (*hit_callback)(int64_t request_id)) {
25 assert(m_hit_callback == NULL); // can't assign hit_callback twice
26 m_hit_callback = hit_callback;
27 }
28
29protected:

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46 // and 2^48 ~= 3x10^14 requests per component
47
48 int64_t id = (static_cast<uint64_t>(m_port_id) << 48) | m_request_cnt;
49 m_request_cnt++;
50 // assert((m_request_cnt & (1<<48)) == 0);
51 return id;
52 }
53
55 virtual int64_t makeRequest(const RubyRequest & request) = 0;
56
57 void registerHitCallback(void (*hit_callback)(int64_t request_id)) {
58 assert(m_hit_callback == NULL); // can't assign hit_callback twice
59 m_hit_callback = hit_callback;
60 }
61
62protected:

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79 // and 2^48 ~= 3x10^14 requests per component
80
81 int64_t id = (static_cast<uint64_t>(m_port_id) << 48) | m_request_cnt;
82 m_request_cnt++;
83 // assert((m_request_cnt & (1<<48)) == 0);
84 return id;
85 }
86
87 int m_version;
88 AbstractController* m_controller;
89 MessageBuffer* m_mandatory_q_ptr;
90
54private:
55 static uint16_t m_num_ports;
56 uint16_t m_port_id;
57 uint64_t m_request_cnt;
58};
59
60#endif
91private:
92 static uint16_t m_num_ports;
93 uint16_t m_port_id;
94 uint64_t m_request_cnt;
95};
96
97#endif