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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/tags/fa_lru.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/tags/fa_lru.cc')
| -rw-r--r-- | src/mem/cache/tags/fa_lru.cc | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/mem/cache/tags/fa_lru.cc b/src/mem/cache/tags/fa_lru.cc index ddaa093d8..c3e2b66e4 100644 --- a/src/mem/cache/tags/fa_lru.cc +++ b/src/mem/cache/tags/fa_lru.cc @@ -171,7 +171,8 @@ FALRU::invalidate(FALRU::BlkType *blk) } FALRUBlk* -FALRU::accessBlock(Addr addr, Cycles &lat, int context_src, int *inCache) +FALRU::accessBlock(Addr addr, bool is_secure, Cycles &lat, int context_src, + int *inCache) { accesses++; int tmp_in_cache = 0; @@ -209,7 +210,7 @@ FALRU::accessBlock(Addr addr, Cycles &lat, int context_src, int *inCache) FALRUBlk* -FALRU::findBlock(Addr addr) const +FALRU::findBlock(Addr addr, bool is_secure) const { Addr blkAddr = blkAlign(addr); FALRUBlk* blk = hashLookup(blkAddr); |