2 * Copyright (c) 2011 ARM Limited
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
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8 * to a hardware implementation of the functionality of the software
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12 * modified or unmodified, in source code or in binary form.
14 * Copyright (c) 2006 The Regents of The University of Michigan
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18 * modification, are permitted provided that the following conditions are
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26 * this software without specific prior written permission.
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46 * Port object definitions.
49 #include "base/chunk_generator.hh"
50 #include "cpu/base.hh"
51 #include "cpu/thread_context.hh"
52 #include "mem/fs_translating_port_proxy.hh"
54 using namespace TheISA
;
56 FSTranslatingPortProxy::FSTranslatingPortProxy(ThreadContext
*tc
)
57 : PortProxy(tc
->getCpuPtr()->getDataPort()), _tc(tc
)
61 FSTranslatingPortProxy::FSTranslatingPortProxy(MasterPort
&port
)
62 : PortProxy(port
), _tc(NULL
)
66 FSTranslatingPortProxy::~FSTranslatingPortProxy()
71 FSTranslatingPortProxy::readBlob(Addr addr
, uint8_t *p
, int size
) const
74 for (ChunkGenerator
gen(addr
, size
, TheISA::PageBytes
); !gen
.done();
78 paddr
= TheISA::vtophys(_tc
,gen
.addr());
80 paddr
= TheISA::vtophys(gen
.addr());
82 PortProxy::readBlob(paddr
, p
, gen
.size());
88 FSTranslatingPortProxy::writeBlob(Addr addr
, uint8_t *p
, int size
) const
91 for (ChunkGenerator
gen(addr
, size
, TheISA::PageBytes
); !gen
.done();
95 paddr
= TheISA::vtophys(_tc
,gen
.addr());
97 paddr
= TheISA::vtophys(gen
.addr());
99 PortProxy::writeBlob(paddr
, p
, gen
.size());
105 FSTranslatingPortProxy::memsetBlob(Addr address
, uint8_t v
, int size
) const
108 for (ChunkGenerator
gen(address
, size
, TheISA::PageBytes
); !gen
.done();
112 paddr
= TheISA::vtophys(_tc
,gen
.addr());
114 paddr
= TheISA::vtophys(gen
.addr());
116 PortProxy::memsetBlob(paddr
, v
, gen
.size());
121 CopyOut(ThreadContext
*tc
, void *dest
, Addr src
, size_t cplen
)
123 uint8_t *dst
= (uint8_t *)dest
;
124 tc
->getVirtProxy().readBlob(src
, dst
, cplen
);
128 CopyIn(ThreadContext
*tc
, Addr dest
, void *source
, size_t cplen
)
130 uint8_t *src
= (uint8_t *)source
;
131 tc
->getVirtProxy().writeBlob(dest
, src
, cplen
);
135 CopyStringOut(ThreadContext
*tc
, char *dst
, Addr vaddr
, size_t maxlen
)
138 FSTranslatingPortProxy
&vp
= tc
->getVirtProxy();
140 bool foundNull
= false;
141 while ((dst
- start
+ 1) < maxlen
&& !foundNull
) {
142 vp
.readBlob(vaddr
++, (uint8_t*)dst
, 1);
153 CopyStringIn(ThreadContext
*tc
, char *src
, Addr vaddr
)
155 FSTranslatingPortProxy
&vp
= tc
->getVirtProxy();
156 for (ChunkGenerator
gen(vaddr
, strlen(src
), TheISA::PageBytes
); !gen
.done();
159 vp
.writeBlob(gen
.addr(), (uint8_t*)src
, gen
.size());