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-rw-r--r--src/mem/abstract_mem.cc23
1 files changed, 14 insertions, 9 deletions
diff --git a/src/mem/abstract_mem.cc b/src/mem/abstract_mem.cc
index 98f03b9af..c819ce2fc 100644
--- a/src/mem/abstract_mem.cc
+++ b/src/mem/abstract_mem.cc
@@ -42,8 +42,8 @@
* Andreas Hansson
*/
-#include "arch/registers.hh"
-#include "config/the_isa.hh"
+#include <vector>
+
#include "cpu/base.hh"
#include "cpu/thread_context.hh"
#include "debug/LLSC.hh"
@@ -59,7 +59,14 @@ AbstractMemory::AbstractMemory(const Params *p) :
confTableReported(p->conf_table_reported), inAddrMap(p->in_addr_map),
_system(NULL)
{
- if (size() % TheISA::PageBytes != 0)
+}
+
+void
+AbstractMemory::init()
+{
+ assert(system());
+
+ if (size() % _system->getPageBytes() != 0)
panic("Memory Size not divisible by page size\n");
}
@@ -327,19 +334,17 @@ AbstractMemory::access(PacketPtr pkt)
uint8_t *hostAddr = pmemAddr + pkt->getAddr() - range.start();
if (pkt->cmd == MemCmd::SwapReq) {
- TheISA::IntReg overwrite_val;
- bool overwrite_mem;
+ std::vector<uint8_t> overwrite_val(pkt->getSize());
uint64_t condition_val64;
uint32_t condition_val32;
if (!pmemAddr)
panic("Swap only works if there is real memory (i.e. null=False)");
- assert(sizeof(TheISA::IntReg) >= pkt->getSize());
- overwrite_mem = true;
+ bool overwrite_mem = true;
// keep a copy of our possible write value, and copy what is at the
// memory address into the packet
- std::memcpy(&overwrite_val, pkt->getPtr<uint8_t>(), pkt->getSize());
+ std::memcpy(&overwrite_val[0], pkt->getPtr<uint8_t>(), pkt->getSize());
std::memcpy(pkt->getPtr<uint8_t>(), hostAddr, pkt->getSize());
if (pkt->req->isCondSwap()) {
@@ -356,7 +361,7 @@ AbstractMemory::access(PacketPtr pkt)
}
if (overwrite_mem)
- std::memcpy(hostAddr, &overwrite_val, pkt->getSize());
+ std::memcpy(hostAddr, &overwrite_val[0], pkt->getSize());
assert(!pkt->req->isInstFetch());
TRACE_PACKET("Read/Write");