Andreas Hansson f26a289295 mem: Split port retry for all different packet classes ... This patch fixes a long-standing isue with the port flow control. Before this patch the retry mechanism was shared between all different packet classes. As a result, a snoop response could get stuck behind a request waiting for a retry, even if the send/recv functions were split. This caused message-dependent deadlocks in stress-test scenarios. The patch splits the retry into one per packet (message) class. Thus, sendTimingReq has a corresponding recvReqRetry, sendTimingResp has recvRespRetry etc. Most of the changes to the code involve simply clarifying what type of request a specific object was accepting. The biggest change in functionality is in the cache downstream packet queue, facing the memory. This queue was shared by requests and snoop responses, and it is now split into two queues, each with their own flow control, but the same physical MasterPort. These changes fixes the previously seen deadlocks.		2015-03-02 04:00:35 -05:00
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arm_cpu.cc	kvm: Don't handle IO and execute in the same tick	2013-06-11 09:24:51 +02:00
arm_cpu.hh	kvm: Don't handle IO and execute in the same tick	2013-06-11 09:24:51 +02:00
ArmKvmCPU.py	kvm: Add basic support for ARM	2013-04-22 13:20:32 -04:00
base.cc	mem: Clean up Request initialisation	2015-01-22 05:00:53 -05:00
base.hh	mem: Split port retry for all different packet classes	2015-03-02 04:00:35 -05:00
BaseKvmCPU.py	kvm: Separate host frequency from simulated CPU frequency	2013-06-11 09:24:55 +02:00
KvmVM.py	kvm: Basic support for hardware virtualized CPUs	2013-04-22 13:20:32 -04:00
perfevent.cc	kvm: Basic support for hardware virtualized CPUs	2013-04-22 13:20:32 -04:00
perfevent.hh	kvm: Set the perf exclude_host attribute if available	2013-10-15 10:09:23 +02:00
SConscript	kvm: Initial x86 support	2013-09-25 12:24:26 +02:00
timer.cc	kvm: Add support for multi-system simulation	2014-02-20 15:43:53 +01:00
timer.hh	kvm: Add experimental support for a perf-based execution timer	2013-04-22 13:20:32 -04:00
vm.cc	Let other objects set up memory like regions in a KVM VM.	2014-12-09 21:53:44 -08:00
vm.hh	Let other objects set up memory like regions in a KVM VM.	2014-12-09 21:53:44 -08:00
x86_cpu.cc	mem: Clean up Request initialisation	2015-01-22 05:00:53 -05:00
x86_cpu.hh	mem: Clean up Request initialisation	2015-01-22 05:00:53 -05:00
X86KvmCPU.py	kvm: FPU synchronization support on x86	2013-09-30 09:43:43 +02:00