* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Ali Saidi
*/
/**
* @file
- * Virtual Port Object Decleration. These ports incorporate some translation
+ * Virtual Port Object Declaration. These ports incorporate some translation
* into their access methods. Thus you can use one to read and write data
* to/from virtual addresses.
*/
#ifndef __MEM_VPORT_HH__
#define __MEM_VPORT_HH__
-#include "mem/port.hh"
+#include "mem/port_impl.hh"
#include "config/full_system.hh"
#include "arch/vtophys.hh"
/** A class that translates a virtual address to a physical address and then
- * calls the above read/write functions. If an execution context is provided the
+ * calls the above read/write functions. If a thread context is provided the
* address can alway be translated, If not it can only be translated if it is a
* simple address masking operation (such as alpha super page accesses).
*/
+
class VirtualPort : public FunctionalPort
{
private:
- ExecContext *xc;
+ ThreadContext *tc;
public:
- VirtualPort(const std::string &_name, ExecContext *_xc = NULL)
- : FunctionalPort(_name), xc(_xc)
+ VirtualPort(const std::string &_name, ThreadContext *_tc = NULL)
+ : FunctionalPort(_name), tc(_tc)
{}
- /** Return true if we have an exec context. This is used to prevent someone
- * from accidently deleting the cpus statically allocated vport.
- * @return true if an execution context isn't valid
+ /** Return true if we have an thread context. This is used to
+ * prevent someone from accidently deleting the cpus statically
+ * allocated vport.
+ * @return true if a thread context isn't valid
*/
- bool nullExecContext() { return xc != NULL; }
+ bool nullThreadContext() { return tc != NULL; }
/** Version of readblob that translates virt->phys and deals
* with page boundries. */
virtual void writeBlob(Addr addr, uint8_t *p, int size);
};
+
+void CopyOut(ThreadContext *tc, void *dest, Addr src, size_t cplen);
+void CopyIn(ThreadContext *tc, Addr dest, void *source, size_t cplen);
+void CopyStringOut(ThreadContext *tc, char *dst, Addr vaddr, size_t maxlen);
+void CopyStringIn(ThreadContext *tc, char *src, Addr vaddr);
+
#endif //__MEM_VPORT_HH__