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authorKevin Lim <ktlim@umich.edu>2006-06-04 16:07:54 -0400
committerKevin Lim <ktlim@umich.edu>2006-06-04 16:07:54 -0400
commit984c2a4ff677803ff7687a178f1dceb1f0204c30 (patch)
tree10dc244225a4e29a65a94cc83305a2d18d150526 /src/cpu/o3/lsq_unit.hh
parent3156f601db2728d329d9eff272bfa324ebdb2a0c (diff)
parent8671d927d862cdbdf851e74cd07d131679faa7ed (diff)
downloadgem5-984c2a4ff677803ff7687a178f1dceb1f0204c30.tar.xz
Merge ktlim@zamp:/z/ktlim2/clean/m5-o3
into zamp.eecs.umich.edu:/z/ktlim2/clean/newmem-merge src/cpu/checker/o3_cpu_builder.cc: src/cpu/o3/alpha_cpu.hh: src/cpu/o3/alpha_cpu_impl.hh: src/cpu/o3/alpha_dyn_inst_impl.hh: src/cpu/o3/bpred_unit.cc: src/cpu/o3/commit.hh: src/cpu/o3/fetch_impl.hh: src/cpu/o3/lsq_unit.hh: src/cpu/o3/lsq_unit_impl.hh: src/cpu/o3/thread_state.hh: Hand merge. --HG-- rename : cpu/activity.cc => src/cpu/activity.cc rename : cpu/activity.hh => src/cpu/activity.hh rename : cpu/base_dyn_inst.cc => src/cpu/base_dyn_inst.cc rename : cpu/checker/cpu.hh => src/cpu/checker/cpu.hh rename : cpu/checker/cpu_builder.cc => src/cpu/checker/cpu_builder.cc rename : cpu/checker/exec_context.hh => src/cpu/checker/exec_context.hh rename : cpu/checker/o3_cpu_builder.cc => src/cpu/checker/o3_cpu_builder.cc rename : cpu/o3/2bit_local_pred.cc => src/cpu/o3/2bit_local_pred.cc rename : cpu/o3/2bit_local_pred.hh => src/cpu/o3/2bit_local_pred.hh rename : cpu/o3/alpha_cpu.hh => src/cpu/o3/alpha_cpu.hh rename : cpu/o3/alpha_cpu_builder.cc => src/cpu/o3/alpha_cpu_builder.cc rename : cpu/o3/alpha_cpu_impl.hh => src/cpu/o3/alpha_cpu_impl.hh rename : cpu/o3/alpha_dyn_inst.hh => src/cpu/o3/alpha_dyn_inst.hh rename : cpu/o3/alpha_dyn_inst_impl.hh => src/cpu/o3/alpha_dyn_inst_impl.hh rename : cpu/o3/alpha_params.hh => src/cpu/o3/alpha_params.hh rename : cpu/o3/bpred_unit.cc => src/cpu/o3/bpred_unit.cc rename : cpu/o3/bpred_unit.hh => src/cpu/o3/bpred_unit.hh rename : cpu/o3/bpred_unit_impl.hh => src/cpu/o3/bpred_unit_impl.hh rename : cpu/o3/comm.hh => src/cpu/o3/comm.hh rename : cpu/o3/commit.hh => src/cpu/o3/commit.hh rename : cpu/o3/commit_impl.hh => src/cpu/o3/commit_impl.hh rename : cpu/o3/cpu.hh => src/cpu/o3/cpu.hh rename : cpu/o3/cpu_policy.hh => src/cpu/o3/cpu_policy.hh rename : cpu/o3/decode.hh => src/cpu/o3/decode.hh rename : cpu/o3/decode_impl.hh => src/cpu/o3/decode_impl.hh rename : cpu/o3/dep_graph.hh => src/cpu/o3/dep_graph.hh rename : cpu/o3/fetch.hh => src/cpu/o3/fetch.hh rename : cpu/o3/fetch_impl.hh => src/cpu/o3/fetch_impl.hh rename : cpu/o3/fu_pool.cc => src/cpu/o3/fu_pool.cc rename : cpu/o3/fu_pool.hh => src/cpu/o3/fu_pool.hh rename : cpu/o3/iew.hh => src/cpu/o3/iew.hh rename : cpu/o3/iew_impl.hh => src/cpu/o3/iew_impl.hh rename : cpu/o3/inst_queue.hh => src/cpu/o3/inst_queue.hh rename : cpu/o3/inst_queue_impl.hh => src/cpu/o3/inst_queue_impl.hh rename : cpu/o3/lsq.hh => src/cpu/o3/lsq.hh rename : cpu/o3/lsq_unit.hh => src/cpu/o3/lsq_unit.hh rename : cpu/o3/lsq_unit_impl.hh => src/cpu/o3/lsq_unit_impl.hh rename : cpu/o3/mem_dep_unit.hh => src/cpu/o3/mem_dep_unit.hh rename : cpu/o3/mem_dep_unit_impl.hh => src/cpu/o3/mem_dep_unit_impl.hh rename : cpu/o3/rename.hh => src/cpu/o3/rename.hh rename : cpu/o3/rename_impl.hh => src/cpu/o3/rename_impl.hh rename : cpu/o3/rename_map.hh => src/cpu/o3/rename_map.hh rename : cpu/o3/rob.hh => src/cpu/o3/rob.hh rename : cpu/o3/store_set.cc => src/cpu/o3/store_set.cc rename : cpu/o3/store_set.hh => src/cpu/o3/store_set.hh rename : cpu/o3/thread_state.hh => src/cpu/o3/thread_state.hh rename : cpu/o3/tournament_pred.cc => src/cpu/o3/tournament_pred.cc rename : cpu/o3/tournament_pred.hh => src/cpu/o3/tournament_pred.hh rename : cpu/ozone/cpu_builder.cc => src/cpu/ozone/cpu_builder.cc rename : cpu/ozone/ozone_impl.hh => src/cpu/ozone/ozone_impl.hh rename : cpu/ozone/simple_impl.hh => src/cpu/ozone/simple_impl.hh rename : cpu/ozone/simple_params.hh => src/cpu/ozone/simple_params.hh rename : python/m5/objects/AlphaFullCPU.py => src/python/m5/objects/AlphaFullCPU.py rename : python/m5/objects/OzoneCPU.py => src/python/m5/objects/OzoneCPU.py extra : convert_revision : b7be30474dd03dd3970e737a9d0489aeb2ead84f
Diffstat (limited to 'src/cpu/o3/lsq_unit.hh')
-rw-r--r--src/cpu/o3/lsq_unit.hh9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/cpu/o3/lsq_unit.hh b/src/cpu/o3/lsq_unit.hh
index b339cea2c..393d8947d 100644
--- a/src/cpu/o3/lsq_unit.hh
+++ b/src/cpu/o3/lsq_unit.hh
@@ -87,10 +87,13 @@ class LSQUnit {
/** Sets the page table pointer. */
// void setPageTable(PageTable *pt_ptr);
+ /** Switches out LSQ unit. */
void switchOut();
+ /** Takes over from another CPU's thread. */
void takeOverFrom();
+ /** Returns if the LSQ is switched out. */
bool isSwitchedOut() { return switchedOut; }
/** Ticks the LSQ unit, which in this case only resets the number of
@@ -159,12 +162,15 @@ class LSQUnit {
bool loadBlocked()
{ return isLoadBlocked; }
+ /** Clears the signal that a load became blocked. */
void clearLoadBlocked()
{ isLoadBlocked = false; }
+ /** Returns if the blocked load was handled. */
bool isLoadBlockedHandled()
{ return loadBlockedHandled; }
+ /** Records the blocked load as being handled. */
void setLoadBlockedHandled()
{ loadBlockedHandled = true; }
@@ -339,6 +345,7 @@ class LSQUnit {
/** The number of used cache ports in this cycle. */
int usedPorts;
+ /** Is the LSQ switched out. */
bool switchedOut;
//list<InstSeqNum> mshrSeqNums;
@@ -358,8 +365,10 @@ class LSQUnit {
/** Whether or not a load is blocked due to the memory system. */
bool isLoadBlocked;
+ /** Has the blocked load been handled. */
bool loadBlockedHandled;
+ /** The sequence number of the blocked load. */
InstSeqNum blockedLoadSeqNum;
/** The oldest load that caused a memory ordering violation. */