systemc: sync the response error between gem5 packet and tlm payload

For now we don't return the correct error status to the upstream of the
protocol conversion bridge. This prevents from the requestor to
distinguish if the response is good or not. This change fixes the issue.

Change-Id: Iec2a388b50fb1bd4fd97ece19e9061138b0b0a1f
Reviewed-by: Jason Lowe-Power <>
Maintainer: Jason Lowe-Power <>
Reviewed-by: Earl Ou <>
Tested-by: kokoro <>
3 files changed