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authorBrad Beckmann <Brad.Beckmann@amd.com>2010-01-29 20:29:21 -0800
committerBrad Beckmann <Brad.Beckmann@amd.com>2010-01-29 20:29:21 -0800
commitce2d13195ba14766e7ac7f093b369865b6c92cac (patch)
treec7525d386d03560399a1499e8704734066843685 /src/mem/ruby/system
parentdc758641c938bb3941bfc1751dc8c3781d99b441 (diff)
downloadgem5-ce2d13195ba14766e7ac7f093b369865b6c92cac.tar.xz
ruby: FS support using the new configuration system
Diffstat (limited to 'src/mem/ruby/system')
-rw-r--r--src/mem/ruby/system/RubyPort.cc55
-rw-r--r--src/mem/ruby/system/RubyPort.hh6
-rw-r--r--src/mem/ruby/system/Sequencer.cc2
-rw-r--r--src/mem/ruby/system/Sequencer.py3
4 files changed, 31 insertions, 35 deletions
diff --git a/src/mem/ruby/system/RubyPort.cc b/src/mem/ruby/system/RubyPort.cc
index d8fb6b470..692c9ea81 100644
--- a/src/mem/ruby/system/RubyPort.cc
+++ b/src/mem/ruby/system/RubyPort.cc
@@ -36,12 +36,13 @@ uint16_t RubyPort::m_num_ports = 0;
RubyPort::RequestMap RubyPort::pending_cpu_requests;
RubyPort::RubyPort(const Params *p)
- : MemObject(p),
- funcMemPort(csprintf("%s-funcmem_port", name()), this)
+ : MemObject(p)
{
m_version = p->version;
assert(m_version != -1);
+ physmem = p->physmem;
+
m_controller = NULL;
m_mandatory_q_ptr = NULL;
@@ -49,6 +50,7 @@ RubyPort::RubyPort(const Params *p)
m_request_cnt = 0;
m_hit_callback = ruby_hit_callback;
pio_port = NULL;
+ physMemPort = NULL;
assert(m_num_ports <= 2048); // see below for reason
}
@@ -73,8 +75,23 @@ RubyPort::getPort(const std::string &if_name, int idx)
this);
return pio_port;
- } else if (if_name == "funcmem_port") {
- return &funcMemPort;
+ } else if (if_name == "physMemPort") {
+ //
+ // RubyPort should only have one port to physical memory
+ //
+ assert (physMemPort == NULL);
+
+ physMemPort = new M5Port(csprintf("%s-physMemPort", name()),
+ this);
+
+ return physMemPort;
+ } else if (if_name == "functional") {
+ //
+ // Calls for the functional port only want to access functional memory.
+ // Therefore, directly pass these calls ports to physmem.
+ //
+ assert(physmem != NULL);
+ return physmem->getPort(if_name, idx);
}
return NULL;
}
@@ -248,11 +265,11 @@ RubyPort::M5Port::hitCallback(PacketPtr pkt)
DPRINTF(MemoryAccess, "Hit callback needs response %d\n",
needsResponse);
- ruby_port->funcMemPort.sendFunctional(pkt);
+ ruby_port->physMemPort->sendAtomic(pkt);
// turn packet around to go back to requester if response expected
if (needsResponse) {
- // recvAtomic() should already have turned packet into
+ // sendAtomic() should already have turned packet into
// atomic response
assert(pkt->isResponse());
DPRINTF(MemoryAccess, "Sending packet back over port\n");
@@ -282,7 +299,7 @@ RubyPort::M5Port::isPhysMemAddress(Addr addr)
{
AddrRangeList physMemAddrList;
bool snoop = false;
- ruby_port->funcMemPort.getPeerAddressRanges(physMemAddrList, snoop);
+ ruby_port->physMemPort->getPeerAddressRanges(physMemAddrList, snoop);
for(AddrRangeIter iter = physMemAddrList.begin();
iter != physMemAddrList.end();
iter++) {
@@ -292,29 +309,5 @@ RubyPort::M5Port::isPhysMemAddress(Addr addr)
return true;
}
}
- assert(isPioAddress(addr));
return false;
}
-
-bool
-RubyPort::M5Port::isPioAddress(Addr addr)
-{
- AddrRangeList pioAddrList;
- bool snoop = false;
- if (ruby_port->pio_port == NULL) {
- return false;
- }
-
- ruby_port->pio_port->getPeerAddressRanges(pioAddrList, snoop);
- for(AddrRangeIter iter = pioAddrList.begin();
- iter != pioAddrList.end();
- iter++) {
- if (addr >= iter->start && addr <= iter->end) {
- DPRINTF(MemoryAccess, "Pio request found in %#llx - %#llx range\n",
- iter->start, iter->end);
- return true;
- }
- }
- return false;
-}
-
diff --git a/src/mem/ruby/system/RubyPort.hh b/src/mem/ruby/system/RubyPort.hh
index a03c4dce2..e57f663c9 100644
--- a/src/mem/ruby/system/RubyPort.hh
+++ b/src/mem/ruby/system/RubyPort.hh
@@ -36,6 +36,7 @@
#include "mem/mem_object.hh"
#include "mem/tport.hh"
+#include "mem/physical.hh"
#include "params/RubyPort.hh"
@@ -63,7 +64,6 @@ public:
virtual Tick recvAtomic(PacketPtr pkt);
private:
- bool isPioAddress(Addr addr);
bool isPhysMemAddress(Addr addr);
};
@@ -169,7 +169,9 @@ private:
static RequestMap pending_cpu_requests;
static void ruby_hit_callback(int64_t req_id);
- FunctionalPort funcMemPort;
+ M5Port* physMemPort;
+
+ PhysicalMemory* physmem;
};
#endif
diff --git a/src/mem/ruby/system/Sequencer.cc b/src/mem/ruby/system/Sequencer.cc
index 23a6b44e2..00ae5364c 100644
--- a/src/mem/ruby/system/Sequencer.cc
+++ b/src/mem/ruby/system/Sequencer.cc
@@ -197,7 +197,7 @@ bool Sequencer::insertRequest(SequencerRequest* request) {
// See if we should schedule a deadlock check
if (deadlockCheckEvent.scheduled() == false) {
- schedule(deadlockCheckEvent, m_deadlock_threshold);
+ schedule(deadlockCheckEvent, m_deadlock_threshold + curTick);
}
Address line_addr(request->ruby_request.paddr);
diff --git a/src/mem/ruby/system/Sequencer.py b/src/mem/ruby/system/Sequencer.py
index 1333204a2..30cb9add0 100644
--- a/src/mem/ruby/system/Sequencer.py
+++ b/src/mem/ruby/system/Sequencer.py
@@ -8,6 +8,8 @@ class RubyPort(MemObject):
port = VectorPort("M5 port")
version = Param.Int(0, "")
pio_port = Port("Ruby_pio_port")
+ physmem = Param.PhysicalMemory("")
+ physMemPort = Port("port to physical memory")
class RubySequencer(RubyPort):
type = 'RubySequencer'
@@ -18,7 +20,6 @@ class RubySequencer(RubyPort):
"max requests (incl. prefetches) outstanding")
deadlock_threshold = Param.Int(500000,
"max outstanding cycles for a request before deadlock/livelock declared")
- funcmem_port = Port("port to functional memory")
class DMASequencer(RubyPort):
type = 'DMASequencer'