Matthew Poremba has uploaded this change for review. (
https://gem5-review.googlesource.com/c/public/gem5/+/57669 )
Change subject: dev-hsa: Properly mask HSA packet header bits
......................................................................
dev-hsa: Properly mask HSA packet header bits
The HSA packet macros were not actually masking the header bits
properly. Add a mask call around the width (number of bits) of the field
being masked.
Change-Id: Ia5e5fb0451296e99a85fb12a5f73b27aea72fc2e
---
M src/dev/hsa/hsa_packet_processor.cc
1 file changed, 16 insertions(+), 2 deletions(-)
diff --git a/src/dev/hsa/hsa_packet_processor.cc
b/src/dev/hsa/hsa_packet_processor.cc
index 89fc3c1..1236256 100644
--- a/src/dev/hsa/hsa_packet_processor.cc
+++ b/src/dev/hsa/hsa_packet_processor.cc
@@ -60,12 +60,13 @@
}
#define PKT_TYPE(PKT) ((hsa_packet_type_t)(((PKT->header) >> \
- HSA_PACKET_HEADER_TYPE) & (HSA_PACKET_HEADER_WIDTH_TYPE - 1)))
+ HSA_PACKET_HEADER_TYPE) & mask(HSA_PACKET_HEADER_WIDTH_TYPE)))
// checks if the barrier bit is set in the header -- shift the barrier bit
// to LSB, then bitwise "and" to mask off all other bits
#define IS_BARRIER(PKT) ((hsa_packet_header_t)(((PKT->header) >> \
- HSA_PACKET_HEADER_BARRIER) & HSA_PACKET_HEADER_WIDTH_BARRIER))
+ HSA_PACKET_HEADER_BARRIER) & \
+ mask(HSA_PACKET_HEADER_WIDTH_BARRIER)))
namespace gem5
{
--
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Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: Ia5e5fb0451296e99a85fb12a5f73b27aea72fc2e
Gerrit-Change-Number: 57669
Gerrit-PatchSet: 1
Gerrit-Owner: Matthew Poremba <matthew.pore...@amd.com>
Gerrit-MessageType: newchange
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