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| author | Gabe Black <gabeblack@google.com> | 2020-01-12 22:58:48 -0800 |
|---|---|---|
| committer | Gabe Black <gabeblack@google.com> | 2020-01-23 23:38:25 +0000 |
| commit | 46fbd76595faea874773a2ecbbdb36c3b56e697e (patch) | |
| tree | 2ba267daa02c23ded8168cbeb68c0a76febca3c0 /src/sim/system.cc | |
| parent | e3c3d2a1a8aed9f67338ee08d678263525ffaddc (diff) | |
| download | gem5-46fbd76595faea874773a2ecbbdb36c3b56e697e.tar.xz | |
sim: Move findFreeContext to System.
This method searches through the ThreadContexts stored in the system,
and has no concrete connection to Process other than it happened to be
used by a Process in the clone system call.
By moving it, we can use its functionality in classes other than
Process.
Change-Id: Ic6899c335dc13841c6fe948ea3a4f8ad67e562bb
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/24285
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Reviewed-by: Brandon Potter <Brandon.Potter@amd.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>
Tested-by: kokoro <noreply+kokoro@google.com>
Diffstat (limited to 'src/sim/system.cc')
| -rw-r--r-- | src/sim/system.cc | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/sim/system.cc b/src/sim/system.cc index 0cc328c22..739b42278 100644 --- a/src/sim/system.cc +++ b/src/sim/system.cc @@ -302,6 +302,16 @@ System::registerThreadContext(ThreadContext *tc, ContextID assigned) return id; } +ThreadContext * +System::findFreeContext() +{ + for (auto &it : threadContexts) { + if (ThreadContext::Halted == it->status()) + return it; + } + return nullptr; +} + bool System::schedule(PCEvent *event) { |