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Kirill Smelkov
linux
Commits
3765d695
Commit
3765d695
authored
Mar 22, 2010
by
Michal Simek
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microblaze: Use instruction with delay slot
Sync labels. Signed-off-by:
Michal Simek
<
monstr@monstr.eu
>
parent
bd1637d6
Changes
1
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1 changed file
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5 additions
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8 deletions
+5
-8
arch/microblaze/kernel/hw_exception_handler.S
arch/microblaze/kernel/hw_exception_handler.S
+5
-8
No files found.
arch/microblaze/kernel/hw_exception_handler.S
View file @
3765d695
...
...
@@ -721,9 +721,8 @@ ex_handler_done:
*
Many
of
these
bits
are
software
only
.
Bits
we
don
't set
*
here
we
(
properly
should
)
assume
have
the
appropriate
value
.
*/
brid
finish_tlb_load
andni
r4
,
r4
,
0x0ce2
/*
Make
sure
20
,
21
are
zero
*/
bri
finish_tlb_load
ex7
:
/
*
The
bailout
.
Restore
registers
to
pre
-
exception
conditions
*
and
call
the
heavyweights
to
help
us
out
.
...
...
@@ -779,7 +778,7 @@ ex_handler_done:
lwi
r4
,
r5
,
0
/*
Get
Linux
PTE
*/
andi
r6
,
r4
,
_PAGE_PRESENT
beqi
r6
,
ex
7
beqi
r6
,
ex
10
ori
r4
,
r4
,
_PAGE_ACCESSED
swi
r4
,
r5
,
0
...
...
@@ -792,9 +791,8 @@ ex_handler_done:
*
Many
of
these
bits
are
software
only
.
Bits
we
don
't set
*
here
we
(
properly
should
)
assume
have
the
appropriate
value
.
*/
brid
finish_tlb_load
andni
r4
,
r4
,
0x0ce2
/*
Make
sure
20
,
21
are
zero
*/
bri
finish_tlb_load
ex10
:
/
*
The
bailout
.
Restore
registers
to
pre
-
exception
conditions
*
and
call
the
heavyweights
to
help
us
out
.
...
...
@@ -824,9 +822,9 @@ ex_handler_done:
andi
r5
,
r5
,
(
MICROBLAZE_TLB_SIZE
-
1
)
ori
r6
,
r0
,
1
cmp
r31
,
r5
,
r6
blti
r31
,
sem
blti
r31
,
ex12
addik
r5
,
r6
,
1
sem
:
ex12
:
/
*
MS
:
save
back
current
TLB
index
*/
swi
r5
,
r0
,
TOPHYS
(
tlb_index
)
...
...
@@ -846,7 +844,6 @@ ex_handler_done:
nop
/
*
Done
...
restore
registers
and
get
out
of
here
.
*/
ex12
:
mts
rpid
,
r11
nop
bri
4
...
...
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