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Diffstat (limited to 'tools/lib/find_bit.c')
-rw-r--r--tools/lib/find_bit.c56
1 files changed, 23 insertions, 33 deletions
diff --git a/tools/lib/find_bit.c b/tools/lib/find_bit.c
index ac37022e9486..109aa7ffcf97 100644
--- a/tools/lib/find_bit.c
+++ b/tools/lib/find_bit.c
@@ -28,11 +28,12 @@
* searching it for one bits.
* - The optional "addr2", which is anded with "addr1" if present.
*/
-static inline unsigned long _find_next_bit(const unsigned long *addr1,
+unsigned long _find_next_bit(const unsigned long *addr1,
const unsigned long *addr2, unsigned long nbits,
- unsigned long start, unsigned long invert)
+ unsigned long start, unsigned long invert, unsigned long le)
{
- unsigned long tmp;
+ unsigned long tmp, mask;
+ (void) le;
if (unlikely(start >= nbits))
return nbits;
@@ -43,7 +44,19 @@ static inline unsigned long _find_next_bit(const unsigned long *addr1,
tmp ^= invert;
/* Handle 1st word. */
- tmp &= BITMAP_FIRST_WORD_MASK(start);
+ mask = BITMAP_FIRST_WORD_MASK(start);
+
+ /*
+ * Due to the lack of swab() in tools, and the fact that it doesn't
+ * need little-endian support, just comment it out
+ */
+#if (0)
+ if (le)
+ mask = swab(mask);
+#endif
+
+ tmp &= mask;
+
start = round_down(start, BITS_PER_LONG);
while (!tmp) {
@@ -57,18 +70,12 @@ static inline unsigned long _find_next_bit(const unsigned long *addr1,
tmp ^= invert;
}
- return min(start + __ffs(tmp), nbits);
-}
+#if (0)
+ if (le)
+ tmp = swab(tmp);
#endif
-#ifndef find_next_bit
-/*
- * Find the next set bit in a memory region.
- */
-unsigned long find_next_bit(const unsigned long *addr, unsigned long size,
- unsigned long offset)
-{
- return _find_next_bit(addr, NULL, size, offset, 0UL);
+ return min(start + __ffs(tmp), nbits);
}
#endif
@@ -76,7 +83,7 @@ unsigned long find_next_bit(const unsigned long *addr, unsigned long size,
/*
* Find the first set bit in a memory region.
*/
-unsigned long find_first_bit(const unsigned long *addr, unsigned long size)
+unsigned long _find_first_bit(const unsigned long *addr, unsigned long size)
{
unsigned long idx;
@@ -93,7 +100,7 @@ unsigned long find_first_bit(const unsigned long *addr, unsigned long size)
/*
* Find the first cleared bit in a memory region.
*/
-unsigned long find_first_zero_bit(const unsigned long *addr, unsigned long size)
+unsigned long _find_first_zero_bit(const unsigned long *addr, unsigned long size)
{
unsigned long idx;
@@ -105,20 +112,3 @@ unsigned long find_first_zero_bit(const unsigned long *addr, unsigned long size)
return size;
}
#endif
-
-#ifndef find_next_zero_bit
-unsigned long find_next_zero_bit(const unsigned long *addr, unsigned long size,
- unsigned long offset)
-{
- return _find_next_bit(addr, NULL, size, offset, ~0UL);
-}
-#endif
-
-#ifndef find_next_and_bit
-unsigned long find_next_and_bit(const unsigned long *addr1,
- const unsigned long *addr2, unsigned long size,
- unsigned long offset)
-{
- return _find_next_bit(addr1, addr2, size, offset, 0UL);
-}
-#endif