diff options
Diffstat (limited to 'src/cpu/o3/fetch.hh')
-rw-r--r-- | src/cpu/o3/fetch.hh | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/src/cpu/o3/fetch.hh b/src/cpu/o3/fetch.hh index 7fcd21b7d..9611f0455 100644 --- a/src/cpu/o3/fetch.hh +++ b/src/cpu/o3/fetch.hh @@ -40,8 +40,6 @@ #include "mem/port.hh" #include "sim/eventq.hh" -class Sampler; - /** * DefaultFetch class handles both single threaded and SMT fetch. Its * width is specified by the parameters; each cycle it tries to fetch @@ -182,11 +180,14 @@ class DefaultFetch /** Processes cache completion event. */ void processCacheCompletion(PacketPtr pkt); - /** Begins the switch out of the fetch stage. */ - void switchOut(); + /** Begins the drain of the fetch stage. */ + void drain(); - /** Completes the switch out of the fetch stage. */ - void doSwitchOut(); + /** Resumes execution after a drain. */ + void resume(); + + /** Tells fetch stage to prepare to be switched out. */ + void switchOut(); /** Takes over from another CPU's thread. */ void takeOverFrom(); @@ -423,6 +424,9 @@ class DefaultFetch */ bool interruptPending; + /** Is there a drain pending. */ + bool drainPending; + /** Records if fetch is switched out. */ bool switchedOut; |