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sim: Make the page shift a member of the MemPool class.

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Pass it in through the constructor, rather than have the MemPool call
into the System object every time it needs the page shift. This is
simpler, more efficient, and removes a dependency between the MemPool
class and the System class.

Change-Id: I059bcb0db249251b32bff1beba3eadfe306d9081
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/50339
Reviewed-by: Matthew Poremba <matthew.poremba@amd.com>
Maintainer: Gabe Black <gabe.black@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
This commit is contained in:
Gabe Black
2021-09-11 05:25:56 -07:00
parent 6d9cbb9d6e
commit 4d398302c4
3 changed files with 14 additions and 13 deletions
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7
src/sim/system.cc
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@@ -236,9 +236,10 @@ System::System(const Params &p)
if (_m5opRange.valid()) {
// Make sure the m5op range is not included.
for (const auto &range: mem.exclude({_m5opRange}))
memPools.emplace_back(this, range.start(), range.end());
memPools.emplace_back(getPageShift(),
range.start(), range.end());
} else {
memPools.emplace_back(this, mem.start(), mem.end());
memPools.emplace_back(getPageShift(), mem.start(), mem.end());
}
}
@@ -468,7 +469,7 @@ System::unserialize(CheckpointIn &cp)
assert(ptrs.size() == limits.size());
for (size_t i = 0; i < ptrs.size(); i++)
memPools.emplace_back(this, ptrs[i], limits[i]);
memPools.emplace_back(getPageShift(), ptrs[i], limits[i]);
// also unserialize the memories in the system
physmem.unserializeSection(cp, "physmem");