[gem5-dev] Change in gem5/gem5[develop]: sim: Make loading workloads to memory optional
Hoa Nguyen has uploaded this change for review. (
https://gem5-review.googlesource.com/c/public/gem5/+/49283 )
Change subject: sim: Make loading workloads to memory optional
..
sim: Make loading workloads to memory optional
There are use cases of gem5 that memory being an external
component and does not exist until after gem5 being instantiated.
Change-Id: I2fefad67072d7bab37ff6f732a76a5ba507cd602
Signed-off-by: Hoa Nguyen
---
M src/sim/Workload.py
M src/sim/kernel_workload.cc
2 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/src/sim/Workload.py b/src/sim/Workload.py
index 62aa047..03238c0 100644
--- a/src/sim/Workload.py
+++ b/src/sim/Workload.py
@@ -54,6 +54,9 @@
"auto-calculated to be the most restrictive.")
load_addr_offset = Param.UInt64(0, "Address to offset the kernel with")
+load_workload_to_memory = Param.Bool(True,
+"whether to load the workload to memory")
+
command_line = Param.String("a", "boot flags to pass to the kernel")
class SEWorkloadMeta(type(Workload)):
diff --git a/src/sim/kernel_workload.cc b/src/sim/kernel_workload.cc
index c338b23..cdc081d 100644
--- a/src/sim/kernel_workload.cc
+++ b/src/sim/kernel_workload.cc
@@ -112,12 +112,14 @@
_start, _end, mapper(_start), mapper(_end));
}
// Load program sections into memory
-image.write(phys_mem);
+if (params().load_workload_to_memory)
+image.write(phys_mem);
DPRINTF(Loader, "Kernel start = %#x\n", _start);
DPRINTF(Loader, "Kernel end = %#x\n", _end);
DPRINTF(Loader, "Kernel entry = %#x\n", kernelObj->entryPoint());
-DPRINTF(Loader, "Kernel loaded...\n");
+if (params().load_workload_to_memory)
+DPRINTF(Loader, "Kernel loaded...\n");
}
std::vector extras_addrs = params().extras_addrs;
--
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Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: I2fefad67072d7bab37ff6f732a76a5ba507cd602
Gerrit-Change-Number: 49283
Gerrit-PatchSet: 1
Gerrit-Owner: Hoa Nguyen
Gerrit-MessageType: newchange
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[gem5-dev] Change in gem5/gem5[develop]: mem-ruby: Add (RUSC, LocalHN_Eviction) transition
Daecheol You has uploaded this change for review. (
https://gem5-review.googlesource.com/c/public/gem5/+/49263 )
Change subject: mem-ruby: Add (RUSC, LocalHN_Eviction) transition
..
mem-ruby: Add (RUSC, LocalHN_Eviction) transition
During full system simulation on CHI, LocalHN_Eviction event on the RUSC
state occured occasionally. Thus, the change adds RUSC state to the
transition.
Change-Id: Ibff382c38a092895bc03a4a64cf072ae752decf3
---
M src/mem/ruby/protocol/chi/CHI-cache-transitions.sm
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/mem/ruby/protocol/chi/CHI-cache-transitions.sm
b/src/mem/ruby/protocol/chi/CHI-cache-transitions.sm
index 0d303fc..da944d5 100644
--- a/src/mem/ruby/protocol/chi/CHI-cache-transitions.sm
+++ b/src/mem/ruby/protocol/chi/CHI-cache-transitions.sm
@@ -587,7 +587,7 @@
// This could happen if enqueued the eviction when the line was busy
// or couldn't handle it immediately due to no TBE available
-transition({RU,RSC,RSD,RUSD,I}, {Local_Eviction, LocalHN_Eviction}) {
+transition({RU,RSC,RSD,RUSC,RUSD,I}, {Local_Eviction, LocalHN_Eviction}) {
Pop_ReplTriggerQueue;
}
transition(I, Global_Eviction) {
--
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Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: Ibff382c38a092895bc03a4a64cf072ae752decf3
Gerrit-Change-Number: 49263
Gerrit-PatchSet: 1
Gerrit-Owner: Daecheol You
Gerrit-MessageType: newchange
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