summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorSebastian Huber <sebastian.huber@embedded-brains.de>2017-05-19 09:31:15 +0200
committerSebastian Huber <sebastian.huber@embedded-brains.de>2017-10-23 09:24:06 +0200
commite2d48f53354d613f0e67298a65a9bda2f1a0ab24 (patch)
tree143cc07e1e86cb921f7e927cc689553caf67757e
parentqman_api.c: Prevent false clearing of IRQ status (diff)
downloadrtems-libbsd-e2d48f53354d613f0e67298a65a9bda2f1a0ab24.tar.bz2
dpaa: Implement GENMASK() similar to Linux
-rw-r--r--rtemsbsd/powerpc/include/linux/bitops.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/rtemsbsd/powerpc/include/linux/bitops.h b/rtemsbsd/powerpc/include/linux/bitops.h
index 6bed2dfc..1348697c 100644
--- a/rtemsbsd/powerpc/include/linux/bitops.h
+++ b/rtemsbsd/powerpc/include/linux/bitops.h
@@ -45,7 +45,7 @@
#define BITS_TO_LONGS(n) howmany((n), BITS_PER_LONG)
#define BIT_MASK(nr) (1UL << ((nr) & (BITS_PER_LONG - 1)))
#define BIT_WORD(nr) ((nr) / BITS_PER_LONG)
-#define GENMASK(hi, lo) (((2UL << ((hi) - (lo))) - 1UL) << (lo))
+#define GENMASK(hi, lo) (((~0UL) << (lo)) & (~0UL >> (BITS_PER_LONG - 1 - (hi))))
#define BITS_PER_BYTE 8
static inline int