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9 Commits

Author SHA1 Message Date
Michal Simek
cb5edfe3e5 microblaze: Use delay slot in __strnlen_user, __strncpy_user 
Use delay slot to speedup if maxlen is zero.

Signed-off-by: Michal Simek <monstr@monstr.eu>
 2011-10-14 12:24:34 +02:00
Michal Simek
ebe211254b microblaze: Add loop unrolling for PAGE in copy_tofrom_user 
Increase performance by loop unrolling.

Signed-off-by: Michal Simek <monstr@monstr.eu>
 2011-10-14 12:24:26 +02:00
Michal Simek
782d491fc2 microblaze: Simplify logic for unaligned byte copying 
Save jump instruction for unaligned byte copying.

Signed-off-by: Michal Simek <monstr@monstr.eu>
 2011-10-14 12:24:25 +02:00
Michal Simek
c83858b3e6 microblaze: Change label names - copy_tofrom_user 
Change label name to be prepared for loop unrolling.

Signed-off-by: Michal Simek <monstr@monstr.eu>
 2011-10-14 12:24:22 +02:00
Michal Simek
eedac7914d microblaze: Separate fixup section definition 
Move fixups below appropriate code.

Signed-off-by: Michal Simek <monstr@monstr.eu>
 2011-10-14 12:24:22 +02:00
Michal Simek
9b133f8d87 microblaze: Change label name in copy_tofrom_user 
Use label 0: for zero length copying and fixups.

Signed-off-by: Michal Simek <monstr@monstr.eu>
 2011-10-14 12:24:21 +02:00
Michal Simek
ca3865bae5 microblaze: Support word copying in copy_tofrom_user 
Word copying is used only for aligned addresses.
Here is space for improving to use any better copying technique.
Look at memcpy implementation.

Signed-off-by: Michal Simek <monstr@monstr.eu>
 2010-04-01 08:38:25 +02:00
Michal Simek
13851966da microblaze: Add .type and .size to ASM functions 
Cachegrind analysis need this fix to be able to log asm functions.

Signed-off-by: Michal Simek <monstr@monstr.eu>
 2010-04-01 08:38:24 +02:00
Michal Simek
0d6de95326 microblaze_mmu_v2: uaccess MMU update 
Signed-off-by: Michal Simek <monstr@monstr.eu>
 2009-05-26 16:45:20 +02:00