#ifndef __MEM_REQUEST_HH__
#define __MEM_REQUEST_HH__
+#include "base/fast_alloc.hh"
#include "sim/host.hh"
-#include "sim/root.hh"
+#include "sim/core.hh"
#include <cassert>
/** This request is for a memory swap. */
const uint32_t MEM_SWAP = 0x100000;
const uint32_t MEM_SWAP_COND = 0x200000;
+/** The request should ignore unaligned access faults */
+const uint32_t NO_HALF_WORD_ALIGN_FAULT = 0x400000;
-class Request
+class Request : public FastAlloc
{
private:
/**
setVirt(_asid, _vaddr, _size, _flags, _pc);
}
+ ~Request() {} // for FastAlloc
+
/**
* Set up CPU and thread numbers. */
void setThreadContext(int _cpuNum, int _threadNum)
int getSize() { assert(validPaddr || validAsidVaddr); return size; }
/** Accessor for time. */
Tick getTime() { assert(validPaddr || validAsidVaddr); return time; }
+ void resetTime() { assert(validPaddr || validAsidVaddr); time = curTick; }
/** Accessor for flags. */
uint32_t getFlags() { assert(validPaddr || validAsidVaddr); return flags; }
bool isCondSwap() { return (getFlags() & MEM_SWAP_COND) != 0; }
+ bool inline isMisaligned() {return (!(getFlags() & NO_ALIGN_FAULT) &&
+ ((vaddr & 1) ||
+ (!(getFlags() & NO_HALF_WORD_ALIGN_FAULT)
+ && (vaddr & 0x2))));}
friend class Packet;
};