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authorbd <bdunahu@operationnull.com>2025-04-17 15:30:26 -0400
committerbd <bdunahu@operationnull.com>2025-04-17 15:30:26 -0400
commit2c94ea91b1c5a0d7c0ebb0ab229950f7c849909a (patch)
treec1fe016db8127633f9d14aac696ef9040967228d /src/sim/mm.cc
parent430986b4b1ee1013db070991ce289176f48fa8e8 (diff)
The pipeline says some things and there are numbers
Diffstat (limited to 'src/sim/mm.cc')
-rw-r--r--src/sim/mm.cc11
1 files changed, 10 insertions, 1 deletions
diff --git a/src/sim/mm.cc b/src/sim/mm.cc
index a9a60c2..a02ca83 100644
--- a/src/sim/mm.cc
+++ b/src/sim/mm.cc
@@ -21,8 +21,8 @@ void MM::advance_helper()
this->status = STALLED;
break;
+ case PUSH:
case STORE:
- // TODO signed issues, we aren't wrapping addresses
i = this->storage->write_word(
this, this->curr_instr->get_s2(), this->curr_instr->get_s1());
this->status = i ? OK : STALLED;
@@ -31,6 +31,15 @@ void MM::advance_helper()
}
break;
+ case POP:
+ i = this->storage->read_word(this, this->curr_instr->get_s3(), data);
+ this->status = i ? OK : STALLED;
+ if (this->status == OK) {
+ this->curr_instr->set_s3(data);
+ } else
+ this->status = STALLED;
+ break;
+
default:
this->status = OK;
}