physical.cc (7733:08d6a773d1b6) physical.cc (7770:6286bb50127e)
1/*
2 * Copyright (c) 2010 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

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63#include "mem/packet_access.hh"
64#include "mem/physical.hh"
65#include "sim/eventq.hh"
66
67using namespace std;
68using namespace TheISA;
69
70PhysicalMemory::PhysicalMemory(const Params *p)
1/*
2 * Copyright (c) 2010 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

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63#include "mem/packet_access.hh"
64#include "mem/physical.hh"
65#include "sim/eventq.hh"
66
67using namespace std;
68using namespace TheISA;
69
70PhysicalMemory::PhysicalMemory(const Params *p)
71 : MemObject(p), pmemAddr(NULL), pagePtr(0),
72 lat(p->latency), lat_var(p->latency_var),
71 : MemObject(p), pmemAddr(NULL), lat(p->latency), lat_var(p->latency_var),
73 _size(params()->range.size()), _start(params()->range.start)
74{
75 if (size() % TheISA::PageBytes != 0)
76 panic("Memory Size not divisible by page size\n");
77
78 if (params()->null)
79 return;
80

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119}
120
121PhysicalMemory::~PhysicalMemory()
122{
123 if (pmemAddr)
124 munmap((char*)pmemAddr, size());
125}
126
72 _size(params()->range.size()), _start(params()->range.start)
73{
74 if (size() % TheISA::PageBytes != 0)
75 panic("Memory Size not divisible by page size\n");
76
77 if (params()->null)
78 return;
79

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118}
119
120PhysicalMemory::~PhysicalMemory()
121{
122 if (pmemAddr)
123 munmap((char*)pmemAddr, size());
124}
125
127Addr
128PhysicalMemory::new_page()
129{
130 Addr return_addr = pagePtr << LogVMPageSize;
131 return_addr += start();
132
133 ++pagePtr;
134 return return_addr;
135}
136
137unsigned
138PhysicalMemory::deviceBlockSize() const
139{
140 //Can accept anysize request
141 return 0;
142}
143
144Tick

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127PhysicalMemory::deviceBlockSize() const
128{
129 //Can accept anysize request
130 return 0;
131}
132
133Tick

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