2005-04-16 15:20:36 -07:00
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2005-09-11 00:00:14 +10:00
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2005-04-16 15:20:36 -07:00
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2005-10-28 17:46:09 -07:00
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2005-04-16 15:20:36 -07:00
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2005-08-29 13:15:50 +10:00
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2005-09-11 00:00:14 +10:00
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2005-04-16 15:20:36 -07:00
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2005-06-25 14:54:37 -07:00
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2005-04-16 15:20:36 -07:00
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2005-06-25 14:54:37 -07:00
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2005-04-16 15:20:36 -07:00
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2005-10-11 22:08:12 +10:00
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2005-04-16 15:20:36 -07:00
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2005-10-11 22:08:12 +10:00
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2005-10-26 16:36:55 +10:00
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[PATCH] powerpc: Merge bitops.h
Here's a revised version. This re-introduces the set_bits() function
from ppc64, which I removed because I thought it was unused (it exists
on no other arch). In fact it is used in the powermac interrupt code
(but not on pSeries).
- We use LARXL/STCXL macros to generate the right (32 or 64 bit)
instructions, similar to LDL/STL from ppc_asm.h, used in fpu.S
- ppc32 previously used a full "sync" barrier at the end of
test_and_*_bit(), whereas ppc64 used an "isync". The merged version
uses "isync", since I believe that's sufficient.
- The ppc64 versions of then minix_*() bitmap functions have changed
semantics. Previously on ppc64, these functions were big-endian
(that is bit 0 was the LSB in the first 64-bit, big-endian word).
On ppc32 (and x86, for that matter, they were little-endian. As far
as I can tell, the big-endian usage was simply wrong - I guess
no-one ever tried to use minixfs on ppc64.
- On ppc32 find_next_bit() and find_next_zero_bit() are no longer
inline (they were already out-of-line on ppc64).
- For ppc64, sched_find_first_bit() has moved from mmu_context.h to
the merged bitops. What it was doing in mmu_context.h in the first
place, I have no idea.
- The fls() function is now implemented using the cntlzw instruction
on ppc64, instead of generic_fls(), as it already was on ppc32.
- For ARCH=ppc, this patch requires adding arch/powerpc/lib to the
arch/ppc/Makefile. This in turn requires some changes to
arch/powerpc/lib/Makefile which didn't correctly handle ARCH=ppc.
Built and running on G5.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2005-11-01 17:28:10 +11:00
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2005-04-16 15:20:36 -07:00
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2006-03-27 23:43:27 -06:00
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2005-04-16 15:20:36 -07:00
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2005-09-19 23:24:08 +10:00
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2005-04-16 15:20:36 -07:00
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2006-03-05 17:14:10 -05:00
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2005-04-16 15:20:36 -07:00
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2005-09-11 00:00:14 +10:00
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2005-04-16 15:20:36 -07:00
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2005-09-11 22:30:22 +02:00
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2005-04-16 15:20:36 -07:00
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2005-08-29 13:15:50 +10:00
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2005-09-11 00:00:14 +10:00
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2005-08-29 13:15:50 +10:00
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2005-04-16 15:20:36 -07:00
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2006-01-08 19:58:51 +01:00
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2005-04-16 15:20:36 -07:00
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2005-09-09 20:57:26 +02:00
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2005-04-16 15:20:36 -07:00
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