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author | Ali Saidi <saidi@eecs.umich.edu> | 2007-02-18 19:57:58 -0500 |
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committer | Ali Saidi <saidi@eecs.umich.edu> | 2007-02-18 19:57:58 -0500 |
commit | 9062525c239ba94083d6517ebff0aa88ab82be92 (patch) | |
tree | 903ab0819ef4ee8689043edc457a722f0c1316d4 /src/base | |
parent | 4e7f8c088522dbf512ae02780f53cdccadb2474a (diff) | |
parent | bd367d4825e26ab3f8e01f3b4bdb914bb0ef756a (diff) | |
download | gem5-9062525c239ba94083d6517ebff0aa88ab82be92.tar.xz |
Merge zizzer:/bk/newmem
into zeep.pool:/z/saidi/work/m5.newmem
--HG--
extra : convert_revision : 10d4dc08411c7a433a7194e94f69ca1d639a1ce7
Diffstat (limited to 'src/base')
-rw-r--r-- | src/base/bitfield.hh | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/base/bitfield.hh b/src/base/bitfield.hh index 1fc0bad5d..0f1233677 100644 --- a/src/base/bitfield.hh +++ b/src/base/bitfield.hh @@ -44,6 +44,7 @@ mask(int nbits) } + /** * Extract the bitfield from position 'first' to 'last' (inclusive) * from 'val' and right justify it. MSB is numbered 63, LSB is 0. @@ -69,6 +70,12 @@ mbits(T val, int first, int last) return val & (mask(first+1) & ~mask(last)); } +inline uint64_t +mask(int first, int last) +{ + return mbits((uint64_t)-1LL, first, last); +} + /** * Sign-extend an N-bit value to 64 bits. */ |