Matthew Poremba has uploaded this change for review. (
https://gem5-review.googlesource.com/c/public/gem5/+/57989 )
Change subject: gpu-compute: Handle GPUFS system store responses
......................................................................
gpu-compute: Handle GPUFS system store responses
Requests in GPUFS which go to system memory will not generate the
WriteCompleteResp packets that the VIPER protocol would normally created
for device requests which go through the caches. Therefore, we need to
callback the GM pipe handleResponse to complete the access and make
forward progress.
Change-Id: Ic00c430ce420a591fe5743f758b780d93afd2a38
---
M src/gpu-compute/compute_unit.cc
1 file changed, 19 insertions(+), 2 deletions(-)
diff --git a/src/gpu-compute/compute_unit.cc
b/src/gpu-compute/compute_unit.cc
index eefb4d128..1b20530 100644
--- a/src/gpu-compute/compute_unit.cc
+++ b/src/gpu-compute/compute_unit.cc
@@ -1362,8 +1362,10 @@
// The status vector and global memory response for WriteResp packets
get
// handled by the WriteCompleteResp packets.
if (pkt->cmd == MemCmd::WriteResp) {
- delete pkt;
- return;
+ if (!FullSystem || !pkt->req->systemReq()) {
+ delete pkt;
+ return;
+ }
}
// this is for read, write and atomic
--
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Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: Ic00c430ce420a591fe5743f758b780d93afd2a38
Gerrit-Change-Number: 57989
Gerrit-PatchSet: 1
Gerrit-Owner: Matthew Poremba <matthew.pore...@amd.com>
Gerrit-MessageType: newchange
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