gem5  v21.1.0.2
pma_checker.cc
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37 
39 
40 #include "base/addr_range.hh"
41 #include "base/types.hh"
42 #include "mem/packet.hh"
43 #include "mem/request.hh"
44 #include "params/PMAChecker.hh"
45 #include "sim/sim_object.hh"
46 
47 namespace gem5
48 {
49 
51 SimObject(params),
52 uncacheable(params.uncacheable.begin(), params.uncacheable.end())
53 {
54 }
55 
56 void
58 {
59  if (isUncacheable(req->getPaddr(), req->getSize())) {
61  }
62 }
63 
64 bool
66 {
67  for (auto const &uncacheable_range: uncacheable) {
68  if (range.isSubset(uncacheable_range)) {
69  return true;
70  }
71  }
72  return false;
73 }
74 
75 bool
76 PMAChecker::isUncacheable(const Addr &addr, const unsigned size)
77 {
78  AddrRange range(addr, addr + size);
79  return isUncacheable(range);
80 }
81 
82 bool
84 {
85  return isUncacheable(pkt->getAddrRange());
86 }
87 
88 void
90 {
91  uncacheable = old->uncacheable;
92 }
93 
94 } // namespace gem5
gem5::Request::STRICT_ORDER
@ STRICT_ORDER
The request is required to be strictly ordered by CPU models and is non-speculative.
Definition: request.hh:135
gem5::Request::UNCACHEABLE
@ UNCACHEABLE
The request is to an uncacheable address.
Definition: request.hh:125
pma_checker.hh
gem5::PMAChecker
Based on the RISC-V ISA privileged specifications V1.11, there is no implementation guidelines on the...
Definition: pma_checker.hh:60
gem5::AddrRange::isSubset
bool isSubset(const AddrRange &r) const
Determine if this range is a subset of another range, i.e.
Definition: addr_range.hh:413
gem5::PMAChecker::Params
PMACheckerParams Params
Definition: pma_checker.hh:64
request.hh
packet.hh
gem5::PMAChecker::check
void check(const RequestPtr &req)
Definition: pma_checker.cc:57
gem5::PMAChecker::isUncacheable
bool isUncacheable(const AddrRange &range)
Definition: pma_checker.cc:65
gem5::PMAChecker::PMAChecker
PMAChecker(const Params &params)
Definition: pma_checker.cc:50
sim_object.hh
gem5::Packet
A Packet is used to encapsulate a transfer between two objects in the memory system (e....
Definition: packet.hh:283
gem5::RequestPtr
std::shared_ptr< Request > RequestPtr
Definition: request.hh:92
gem5::SimObject
Abstract superclass for simulation objects.
Definition: sim_object.hh:146
gem5::Addr
uint64_t Addr
Address type This will probably be moved somewhere else in the near future.
Definition: types.hh:147
addr_range.hh
types.hh
gem5::PMAChecker::uncacheable
AddrRangeList uncacheable
Definition: pma_checker.hh:73
gem5::AddrRange
The AddrRange class encapsulates an address range, and supports a number of tests to check if two ran...
Definition: addr_range.hh:71
gem5::PMAChecker::takeOverFrom
void takeOverFrom(PMAChecker *old)
Definition: pma_checker.cc:89
gem5
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
Definition: decoder.cc:40
gem5::Packet::getAddrRange
AddrRange getAddrRange() const
Get address range to which this packet belongs.
Definition: packet.cc:225
gem5::X86ISA::addr
Bitfield< 3 > addr
Definition: types.hh:84

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