diff options
Diffstat (limited to 'mem')
-rw-r--r-- | mem/packet.cc | 56 | ||||
-rw-r--r-- | mem/packet.hh | 82 | ||||
-rw-r--r-- | mem/physical.cc | 1 |
3 files changed, 68 insertions, 71 deletions
diff --git a/mem/packet.cc b/mem/packet.cc index 85b76919b..ecd2a7be1 100644 --- a/mem/packet.cc +++ b/mem/packet.cc @@ -34,5 +34,61 @@ #include "base/misc.hh" #include "mem/packet.hh" + +/** delete the data pointed to in the data pointer. Ok to call to matter how + * data was allocted. */ +void +Packet::deleteData() { + assert(staticData || dynamicData); + if (staticData) + return; + + if (arrayData) + delete [] data; + else + delete data; +} + +/** If there isn't data in the packet, allocate some. */ +void +Packet::allocate() { + if (data) + return; + assert(!staticData); + dynamicData = true; + arrayData = true; + data = new uint8_t[size]; +} + +/** Do the packet modify the same addresses. */ +bool +Packet::intersect(Packet *p) { + Addr s1 = addr; + Addr e1 = addr + size; + Addr s2 = p->addr; + Addr e2 = p->addr + p->size; + + if (s1 >= s2 && s1 < e2) + return true; + if (e1 >= s2 && e1 < e2) + return true; + return false; +} + +/** Minimally reset a packet so something like simple cpu can reuse it. */ +void +Packet::reset() { + result = Unknown; + if (dynamicData) { + deleteData(); + dynamicData = false; + arrayData = false; + time = curTick; + } +} + + + + bool fixPacket(Packet &func, Packet &timing) { panic("Need to implement!"); } diff --git a/mem/packet.hh b/mem/packet.hh index a5bd6bc59..69d00675d 100644 --- a/mem/packet.hh +++ b/mem/packet.hh @@ -1,5 +1,5 @@ /* - * Copyright (c) 2003 The Regents of The University of Michigan + * Copyright (c) 2006 The Regents of The University of Michigan * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -150,102 +150,42 @@ struct Packet /** Minimally reset a packet so something like simple cpu can reuse it. */ - void reset() { - result = Unknown; - if (dynamicData) { - deleteData(); - dynamicData = false; - arrayData = false; - time = curTick; - } - } + void reset(); /** Set the data pointer to the following value that should not be freed. */ template <typename T> - void dataStatic(T *p) { - assert(!dynamicData); - data = (PacketDataPtr)p; - staticData = true; - } + void dataStatic(T *p); /** Set the data pointer to a value that should have delete [] called on it. */ template <typename T> - void dataDynamicArray(T *p) { - assert(!staticData && !dynamicData); - data = (PacketDataPtr)p; - dynamicData = true; - arrayData = true; - } + void dataDynamicArray(T *p); /** set the data pointer to a value that should have delete called on it. */ template <typename T> - void dataDynamic(T *p) { - assert(!staticData && !dynamicData); - data = (PacketDataPtr)p; - dynamicData = true; - arrayData = false; - } + void dataDynamic(T *p); /** return the value of what is pointed to in the packet. */ template <typename T> - T get() { - assert(staticData || dynamicData); - assert(sizeof(T) <= size); - return *(T*)data; - } + T get(); /** get a pointer to the data ptr. */ template <typename T> - T* getPtr() { - assert(staticData || dynamicData); - return (T*)data; - } - + T* getPtr(); /** set the value in the data pointer to v. */ template <typename T> - void set(T v) { - assert(sizeof(T) <= size); - *(T*)data = v; - } + void set(T v); /** delete the data pointed to in the data pointer. Ok to call to matter how * data was allocted. */ - void deleteData() { - assert(staticData || dynamicData); - if (staticData) - return; - - if (arrayData) - delete [] data; - else - delete data; - } + void deleteData(); /** If there isn't data in the packet, allocate some. */ - void allocate() { - if (data) - return; - assert(!staticData); - dynamicData = true; - arrayData = true; - data = new uint8_t[size]; - } + void allocate(); /** Do the packet modify the same addresses. */ - bool intersect(Packet *p) { - Addr s1 = addr; - Addr e1 = addr + size; - Addr s2 = p->addr; - Addr e2 = p->addr + p->size; - - if (s1 >= s2 && s1 < e2) - return true; - if (e1 >= s2 && e1 < e2) - return true; - return false; - } + bool intersect(Packet *p); }; bool fixPacket(Packet &func, Packet &timing); diff --git a/mem/physical.cc b/mem/physical.cc index fd304e63b..a9cefc70b 100644 --- a/mem/physical.cc +++ b/mem/physical.cc @@ -40,6 +40,7 @@ #include "base/misc.hh" #include "config/full_system.hh" +#include "mem/packet_impl.hh" #include "mem/physical.hh" #include "sim/host.hh" #include "sim/builder.hh" |