summaryrefslogtreecommitdiff
path: root/src/gpgpu-sim/addrdec.h
blob: a5333fb2c1c4900e230ba9bd98e117b479b95e84 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
// Copyright (c) 2009-2011, Tor M. Aamodt, Wilson W.L. Fung,
// The University of British Columbia
// 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 University of British Columbia 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 HOLDER 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.

#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include "../option_parser.h"

#ifndef ADDRDEC_H
#define ADDRDEC_H

#include "../abstract_hardware_model.h"

enum partition_index_function{
	CONSECUTIVE = 0,
	BITWISE_PERMUTATION,
	IPOLY,
	PAE,
	RANDOM,
    CUSTOM
};

struct addrdec_t {
   void print( FILE *fp ) const;
    
   unsigned chip;
   unsigned bk;
   unsigned row;
   unsigned col;
   unsigned burst;

   unsigned sub_partition; 
};


class linear_to_raw_address_translation {
public:
   linear_to_raw_address_translation();
   void addrdec_setoption(option_parser_t opp);
   void init(unsigned int n_channel, unsigned int n_sub_partition_in_channel); 

   // accessors
   void addrdec_tlx(new_addr_type addr, addrdec_t *tlx) const;
   new_addr_type partition_address( new_addr_type addr ) const;

private:
   void addrdec_parseoption(const char *option);
   void sweep_test() const; // sanity check to ensure no overlapping

   enum {
      CHIP  = 0,
      BK    = 1,
      ROW   = 2,
      COL   = 3,
      BURST = 4,
      N_ADDRDEC
   };

   const char *addrdec_option;
   int gpgpu_mem_address_mask;
   partition_index_function memory_partition_indexing;
   bool run_test; 

   int ADDR_CHIP_S;
   unsigned char addrdec_mklow[N_ADDRDEC];
   unsigned char addrdec_mkhigh[N_ADDRDEC];
   new_addr_type addrdec_mask[N_ADDRDEC];
   new_addr_type sub_partition_id_mask; 

   unsigned int gap;
   int m_n_channel;
   int m_n_sub_partition_in_channel; 

};

#endif