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| author | Giacomo Gabrielli <Giacomo.Gabrielli@arm.com> | 2014-01-24 15:29:30 -0600 |
|---|---|---|
| committer | Giacomo Gabrielli <Giacomo.Gabrielli@arm.com> | 2014-01-24 15:29:30 -0600 |
| commit | aefe9cc624902fe26535028f86ba3a45f555bcf0 (patch) | |
| tree | 4d775f34b34eeafc0c596b95aa071cc52fb94283 /src/mem/cache/prefetch/ghb.hh | |
| parent | 7f835a59f1c342eb1c170973ad53c493cc38e978 (diff) | |
| download | gem5-aefe9cc624902fe26535028f86ba3a45f555bcf0.tar.xz | |
mem: Add support for a security bit in the memory system
This patch adds the basic building blocks required to support e.g. ARM
TrustZone by discerning secure and non-secure memory accesses.
Diffstat (limited to 'src/mem/cache/prefetch/ghb.hh')
| -rw-r--r-- | src/mem/cache/prefetch/ghb.hh | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/mem/cache/prefetch/ghb.hh b/src/mem/cache/prefetch/ghb.hh index 3e4123de0..9ddff1160 100644 --- a/src/mem/cache/prefetch/ghb.hh +++ b/src/mem/cache/prefetch/ghb.hh @@ -1,4 +1,16 @@ /* + * Copyright (c) 2012-2013 ARM Limited + * All rights reserved + * + * The license below extends only to copyright in the software and shall + * not be construed as granting a license to any other intellectual + * property including but not limited to intellectual property relating + * to a hardware implementation of the functionality of the software + * licensed hereunder. You may use the software subject to the license + * terms below provided that you ensure that this notice is replicated + * unmodified and in its entirety in all distributions of the software, + * modified or unmodified, in source code or in binary form. + * * Copyright (c) 2005 The Regents of The University of Michigan * All rights reserved. * @@ -46,7 +58,9 @@ class GHBPrefetcher : public BasePrefetcher static const int Max_Masters = 64; Addr secondLastMissAddr[Max_Masters]; + bool secondLastMissIsSecure[Max_Masters]; Addr lastMissAddr[Max_Masters]; + bool lastMissIsSecure[Max_Masters]; public: GHBPrefetcher(const Params *p) |