This proxy attempts to translate virtual addresses using the TLBs. More...
#include <translating_port_proxy.hh>
Public Member Functions | |
| TranslatingPortProxy (ThreadContext *tc, Request::Flags _flags=0) | |
| bool | tryReadBlob (Addr addr, void *p, int size) const override |
| Version of tryReadblob that translates virt->phys and deals with page boundries. More... | |
| bool | tryWriteBlob (Addr addr, const void *p, int size) const override |
| Version of tryWriteBlob that translates virt->phys and deals with page boundries. More... | |
| bool | tryMemsetBlob (Addr address, uint8_t v, int size) const override |
| Fill size bytes starting at addr with byte value val. More... | |
 Public Member Functions inherited from gem5::PortProxy | |
| PortProxy (SendFunctionalFunc func, unsigned int cache_line_size) | |
| PortProxy (ThreadContext *tc, unsigned int cache_line_size) | |
| PortProxy (const RequestPort &port, unsigned int cache_line_size) | |
| virtual | ~PortProxy () |
| void | readBlobPhys (Addr addr, Request::Flags flags, void *p, int size) const |
| Fixed functionality for use in base classes. More... | |
| void | writeBlobPhys (Addr addr, Request::Flags flags, const void *p, int size) const |
| Write size bytes from p to physical address. More... | |
| void | memsetBlobPhys (Addr addr, Request::Flags flags, uint8_t v, int size) const |
| Fill size bytes starting at physical addr with byte value val. More... | |
| void | readBlob (Addr addr, void *p, int size) const |
| Higher level interfaces based on the above. More... | |
| void | writeBlob (Addr addr, const void *p, int size) const |
| Same as tryWriteBlob, but insists on success. More... | |
| void | memsetBlob (Addr addr, uint8_t v, int size) const |
| Same as tryMemsetBlob, but insists on success. More... | |
| template<typename T > | |
| T | read (Addr address) const |
| Read sizeof(T) bytes from address and return as object T. More... | |
| template<typename T > | |
| void | write (Addr address, const T &data) const |
| Write object T to address. More... | |
| template<typename T > | |
| T | read (Addr address, ByteOrder guest_byte_order) const |
| Read sizeof(T) bytes from address and return as object T. More... | |
| template<typename T > | |
| void | write (Addr address, T data, ByteOrder guest_byte_order) const |
| Write object T to address. More... | |
| bool | tryWriteString (Addr addr, const char *str) const |
| Write the string str into guest memory at address addr. More... | |
| void | writeString (Addr addr, const char *str) const |
| Same as tryWriteString, but insists on success. More... | |
| bool | tryReadString (std::string &str, Addr addr) const |
| Reads the string at guest address addr into the std::string str. More... | |
| void | readString (std::string &str, Addr addr) const |
| Same as tryReadString, but insists on success. More... | |
| bool | tryReadString (char *str, Addr addr, size_t maxlen) const |
| Reads the string at guest address addr into the char * str, reading up to maxlen characters. More... | |
| void | readString (char *str, Addr addr, size_t maxlen) const |
| Same as tryReadString, but insists on success. More... | |
Protected Member Functions | |
| virtual bool | fixupRange (const TranslationGen::Range &range, BaseMMU::Mode mode) const |
| bool | tryOnBlob (BaseMMU::Mode mode, TranslationGenPtr gen, std::function< void(const TranslationGen::Range &)> func) const |
Protected Attributes | |
| ThreadContext * | _tc |
| Request::Flags | flags |
Additional Inherited Members | |
| Public Types inherited from gem5::PortProxy | |
| typedef std::function< void(PacketPtr pkt)> | SendFunctionalFunc |
Detailed Description
This proxy attempts to translate virtual addresses using the TLBs.
If it fails, subclasses can override the fixupAddr virtual method to try to recover, and then attempt the translation again. If it still fails then the access as a whole fails.
Definition at line 60 of file translating_port_proxy.hh.
Constructor & Destructor Documentation
◆ TranslatingPortProxy()
| gem5::TranslatingPortProxy::TranslatingPortProxy | ( | ThreadContext * | tc, |
| Request::Flags | _flags = 0 |
||
| ) |
Definition at line 57 of file translating_port_proxy.cc.
Member Function Documentation
◆ fixupRange()
|
inlineprotectedvirtual |
Reimplemented in gem5::SETranslatingPortProxy.
Definition at line 67 of file translating_port_proxy.hh.
Referenced by tryOnBlob().
◆ tryMemsetBlob()
|
overridevirtual |
Fill size bytes starting at addr with byte value val.
Reimplemented from gem5::PortProxy.
Definition at line 114 of file translating_port_proxy.cc.
References _tc, gem5::X86ISA::addr, flags, gem5::ThreadContext::getMMUPtr(), gem5::ArmISA::mode, gem5::BaseMMU::translateFunctional(), tryOnBlob(), gem5::VegaISA::v, and gem5::BaseMMU::Write.
◆ tryOnBlob()
|
protected |
Definition at line 63 of file translating_port_proxy.cc.
References fixupRange(), and gem5::ArmISA::mode.
Referenced by tryMemsetBlob(), tryReadBlob(), and tryWriteBlob().
◆ tryReadBlob()
|
overridevirtual |
Version of tryReadblob that translates virt->phys and deals with page boundries.
Reimplemented from gem5::PortProxy.
Definition at line 89 of file translating_port_proxy.cc.
References _tc, gem5::X86ISA::addr, flags, gem5::ThreadContext::getMMUPtr(), gem5::ArmISA::mode, gem5::VegaISA::p, gem5::BaseMMU::Read, gem5::BaseMMU::translateFunctional(), and tryOnBlob().
◆ tryWriteBlob()
|
overridevirtual |
Version of tryWriteBlob that translates virt->phys and deals with page boundries.
Reimplemented from gem5::PortProxy.
Definition at line 101 of file translating_port_proxy.cc.
References _tc, gem5::X86ISA::addr, flags, gem5::ThreadContext::getMMUPtr(), gem5::ArmISA::mode, gem5::VegaISA::p, gem5::BaseMMU::translateFunctional(), tryOnBlob(), and gem5::BaseMMU::Write.
Referenced by gem5::SparcISA::SEWorkload::flushWindows().
Member Data Documentation
◆ _tc
|
protected |
Definition at line 63 of file translating_port_proxy.hh.
Referenced by gem5::SETranslatingPortProxy::fixupRange(), tryMemsetBlob(), tryReadBlob(), and tryWriteBlob().
◆ flags
|
protected |
Definition at line 64 of file translating_port_proxy.hh.
Referenced by tryMemsetBlob(), tryReadBlob(), and tryWriteBlob().
The documentation for this class was generated from the following files: