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author | Giacomo Gabrielli <Giacomo.Gabrielli@arm.com> | 2014-01-24 15:29:30 -0600 |
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committer | Giacomo Gabrielli <Giacomo.Gabrielli@arm.com> | 2014-01-24 15:29:30 -0600 |
commit | aefe9cc624902fe26535028f86ba3a45f555bcf0 (patch) | |
tree | 4d775f34b34eeafc0c596b95aa071cc52fb94283 /src/mem/cache/blk.cc | |
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/blk.cc')
-rw-r--r-- | src/mem/cache/blk.cc | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/src/mem/cache/blk.cc b/src/mem/cache/blk.cc index 4952ed758..210304dbf 100644 --- a/src/mem/cache/blk.cc +++ b/src/mem/cache/blk.cc @@ -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) 2007 The Regents of The University of Michigan * All rights reserved. * @@ -33,9 +45,10 @@ void CacheBlkPrintWrapper::print(std::ostream &os, int verbosity, const std::string &prefix) const { - ccprintf(os, "%sblk %c%c%c\n", prefix, + ccprintf(os, "%sblk %c%c%c%c\n", prefix, blk->isValid() ? 'V' : '-', blk->isWritable() ? 'E' : '-', - blk->isDirty() ? 'M' : '-'); + blk->isDirty() ? 'M' : '-', + blk->isSecure() ? 'S' : '-'); } |