diff options
Diffstat (limited to 'src/mem/packet_access.hh')
-rw-r--r-- | src/mem/packet_access.hh | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/mem/packet_access.hh b/src/mem/packet_access.hh new file mode 100644 index 000000000..aac0c3ae5 --- /dev/null +++ b/src/mem/packet_access.hh @@ -0,0 +1,62 @@ +/* + * Copyright (c) 2006 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * 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 + * Nathan Binkert + */ + +#include "arch/isa_traits.hh" +#include "mem/packet.hh" +#include "sim/byteswap.hh" + +#ifndef __MEM_PACKET_ACCESS_HH__ +#define __MEM_PACKET_ACCESS_HH__ +// The memory system needs to have an endianness. This is the easiest +// way to deal with it for now. At some point, we will have to remove +// these functions and make the users do their own byte swapping since +// the memory system does not in fact have an endianness. + +/** return the value of what is pointed to in the packet. */ +template <typename T> +inline T +Packet::get() +{ + assert(staticData || dynamicData); + assert(sizeof(T) <= size); + return TheISA::gtoh(*(T*)data); +} + +/** set the value in the data pointer to v. */ +template <typename T> +inline void +Packet::set(T v) +{ + assert(sizeof(T) <= size); + *(T*)data = TheISA::htog(v); +} + +#endif //__MEM_PACKET_ACCESS_HH__ |