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31 #ifndef __ARCH_X86_MEMHELPERS_HH__
32 #define __ARCH_X86_MEMHELPERS_HH__
34 #include "base/types.hh"
35 #include "sim/byteswap.hh"
36 #include "sim/fault_fwd.hh"
37 #include "sim/insttracer.hh"
44 readMemTiming(XC *xc, Trace::InstRecord *traceData, Addr addr,
45 uint64_t &mem, unsigned dataSize, unsigned flags)
47 return xc->readMem(addr, (uint8_t *)&mem, dataSize, flags);
50 static inline uint64_t
51 getMem(PacketPtr pkt, unsigned dataSize, Trace::InstRecord *traceData)
56 mem = pkt->get<uint8_t>();
59 mem = pkt->get<uint16_t>();
62 mem = pkt->get<uint32_t>();
65 mem = pkt->get<uint64_t>();
68 panic("Unhandled size in getMem.\n");
71 traceData->setData(mem);
77 readMemAtomic(XC *xc, Trace::InstRecord *traceData, Addr addr, uint64_t &mem,
78 unsigned dataSize, unsigned flags)
80 memset(&mem, 0, sizeof(mem));
81 Fault fault = readMemTiming(xc, traceData, addr, mem, dataSize, flags);
82 if (fault == NoFault) {
83 // If LE to LE, this is a nop, if LE to BE, the actual data ends up
84 // in the right place because the LSBs where at the low addresses on
85 // access. This doesn't work for BE guests.
88 traceData->setData(mem);
95 writeMemTiming(XC *xc, Trace::InstRecord *traceData, uint64_t mem,
96 unsigned dataSize, Addr addr, unsigned flags, uint64_t *res)
99 traceData->setData(mem);
101 mem = TheISA::htog(mem);
102 return xc->writeMem((uint8_t *)&mem, dataSize, addr, flags, res);
107 writeMemAtomic(XC *xc, Trace::InstRecord *traceData, uint64_t mem,
108 unsigned dataSize, Addr addr, unsigned flags, uint64_t *res)
110 Fault fault = writeMemTiming(xc, traceData, mem, dataSize, addr, flags,
112 if (fault == NoFault && res != NULL) {