2 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
3 * Copyright (c) 2009 Advanced Micro Devices, Inc.
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15 * this software without specific prior written permission.
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30 #include "base/intmath.hh"
31 #include "cpu/testers/rubytest/Check.hh"
32 #include "cpu/testers/rubytest/CheckTable.hh"
33 #include "cpu/testers/rubytest/CheckTable.hh"
35 CheckTable::CheckTable(int _num_cpu_sequencers
, RubyTester
* _tester
)
36 : m_num_cpu_sequencers(_num_cpu_sequencers
), m_tester_ptr(_tester
)
38 physical_address_t physical
= 0;
42 const int size2
= 100;
44 // The first set is to get some false sharing
46 for (int i
= 0; i
< size1
; i
++) {
47 // Setup linear addresses
48 address
.setAddress(physical
);
50 physical
+= CHECK_SIZE
;
53 // The next two sets are to get some limited false sharing and
56 for (int i
= 0; i
< size2
; i
++) {
57 // Setup linear addresses
58 address
.setAddress(physical
);
63 physical
= 1000 + CHECK_SIZE
;
64 for (int i
= 0; i
< size2
; i
++) {
65 // Setup linear addresses
66 address
.setAddress(physical
);
72 CheckTable::~CheckTable()
74 int size
= m_check_vector
.size();
75 for (int i
= 0; i
< size
; i
++)
76 delete m_check_vector
[i
];
80 CheckTable::addCheck(const Address
& address
)
82 if (floorLog2(CHECK_SIZE
) != 0) {
83 if (address
.bitSelect(0, CHECK_SIZE_BITS
- 1) != 0) {
84 ERROR_MSG("Check not aligned");
88 for (int i
= 0; i
< CHECK_SIZE
; i
++) {
89 if (m_lookup_map
.count(Address(address
.getAddress()+i
))) {
90 // A mapping for this byte already existed, discard the
96 Check
* check_ptr
= new Check(address
, Address(100 + m_check_vector
.size()),
97 m_num_cpu_sequencers
, m_tester_ptr
);
98 for (int i
= 0; i
< CHECK_SIZE
; i
++) {
99 // Insert it once per byte
100 m_lookup_map
[Address(address
.getAddress() + i
)] = check_ptr
;
102 m_check_vector
.push_back(check_ptr
);
106 CheckTable::getRandomCheck()
108 return m_check_vector
[random() % m_check_vector
.size()];
112 CheckTable::getCheck(const Address
& address
)
114 DPRINTF(RubyTest
, "Looking for check by address: %s", address
);
116 m5::hash_map
<Address
, Check
*>::iterator i
= m_lookup_map
.find(address
);
118 if (i
== m_lookup_map
.end())
121 Check
* check
= i
->second
;
122 assert(check
!= NULL
);
127 CheckTable::print(std::ostream
& out
) const