summaryrefslogtreecommitdiff
path: root/src/cpu/o3/fetch.hh
diff options
context:
space:
mode:
Diffstat (limited to 'src/cpu/o3/fetch.hh')
-rw-r--r--src/cpu/o3/fetch.hh22
1 files changed, 5 insertions, 17 deletions
diff --git a/src/cpu/o3/fetch.hh b/src/cpu/o3/fetch.hh
index e880e14e4..8347ed775 100644
--- a/src/cpu/o3/fetch.hh
+++ b/src/cpu/o3/fetch.hh
@@ -239,13 +239,13 @@ class DefaultFetch
bool fetchCacheLine(Addr fetch_PC, Fault &ret_fault, unsigned tid);
/** Squashes a specific thread and resets the PC. */
- inline void doSquash(const Addr &new_PC, unsigned tid);
+ inline void doSquash(const Addr &new_PC, const Addr &new_NPC, unsigned tid);
/** Squashes a specific thread and resets the PC. Also tells the CPU to
* remove any instructions between fetch and decode that should be sqaushed.
*/
- void squashFromDecode(const Addr &new_PC, const InstSeqNum &seq_num,
- unsigned tid);
+ void squashFromDecode(const Addr &new_PC, const Addr &new_NPC,
+ const InstSeqNum &seq_num, unsigned tid);
/** Checks if a thread is stalled. */
bool checkStall(unsigned tid) const;
@@ -259,7 +259,8 @@ class DefaultFetch
* remove any instructions that are not in the ROB. The source of this
* squash should be the commit stage.
*/
- void squash(const Addr &new_PC, const InstSeqNum &seq_num,
+ void squash(const Addr &new_PC, const Addr &new_NPC,
+ const InstSeqNum &seq_num,
bool squash_delay_slot, unsigned tid);
/** Ticks the fetch stage, processing all inputs signals and fetching
@@ -361,19 +362,6 @@ class DefaultFetch
/** Tracks how many instructions has been fetched this cycle. */
int numInst;
- /** Tracks delay slot information for threads in ISAs which use
- * delay slots;
- */
- struct DelaySlotInfo {
- InstSeqNum delaySlotSeqNum;
- InstSeqNum branchSeqNum;
- int numInsts;
- Addr targetAddr;
- bool targetReady;
- };
-
- DelaySlotInfo delaySlotInfo[Impl::MaxThreads];
-
/** Source of possible stalls. */
struct Stalls {
bool decode;