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nexedi
linux
Commits
05822c83
Commit
05822c83
authored
Sep 20, 2011
by
Sascha Hauer
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Plain Diff
ARM i.MX entry-macro.S: remove now unused code
Signed-off-by:
Sascha Hauer
<
s.hauer@pengutronix.de
>
parent
ffa2ea3f
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arch/arm/plat-mxc/include/mach/entry-macro.S
arch/arm/plat-mxc/include/mach/entry-macro.S
+1
-57
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arch/arm/plat-mxc/include/mach/entry-macro.S
View file @
05822c83
...
@@ -9,72 +9,16 @@
...
@@ -9,72 +9,16 @@
*
published
by
the
Free
Software
Foundation
.
*
published
by
the
Free
Software
Foundation
.
*/
*/
#include <mach/hardware.h>
/*
Unused
,
we
use
CONFIG_MULTI_IRQ_HANDLER
*/
#define AVIC_NIMASK 0x04
@
this
macro
disables
fast
irq
(
not
implemented
)
.
macro
disable_fiq
.
macro
disable_fiq
.
endm
.
endm
.
macro
get_irqnr_preamble
,
base
,
tmp
.
macro
get_irqnr_preamble
,
base
,
tmp
#ifndef CONFIG_MXC_TZIC
ldr
\
base
,
=
avic_base
ldr
\
base
,
[
\
base
]
#ifdef CONFIG_MXC_IRQ_PRIOR
ldr
r4
,
[
\
base
,
#
AVIC_NIMASK
]
#endif
#elif defined CONFIG_MXC_TZIC
ldr
\
base
,
=
tzic_base
ldr
\
base
,
[
\
base
]
#endif /* CONFIG_MXC_TZIC */
.
endm
.
endm
.
macro
arch_ret_to_user
,
tmp1
,
tmp2
.
macro
arch_ret_to_user
,
tmp1
,
tmp2
.
endm
.
endm
@
this
macro
checks
which
interrupt
occurred
@
and
returns
its
number
in
irqnr
@
and
returns
if
an
interrupt
occurred
in
irqstat
.
macro
get_irqnr_and_base
,
irqnr
,
irqstat
,
base
,
tmp
.
macro
get_irqnr_and_base
,
irqnr
,
irqstat
,
base
,
tmp
#ifndef CONFIG_MXC_TZIC
@
Load
offset
&
priority
of
the
highest
priority
@
interrupt
pending
from
AVIC_NIVECSR
ldr
\
irqstat
,
[
\
base
,
#
0x40
]
@
Shift
to
get
the
decoded
IRQ
number
,
using
ASR
so
@
'no interrupt pending'
becomes
0xffffffff
mov
\
irqnr
,
\
irqstat
,
asr
#
16
@
set
zero
flag
if
IRQ
+
1
==
0
adds
\
tmp
,
\
irqnr
,
#
1
#ifdef CONFIG_MXC_IRQ_PRIOR
bicne
\
tmp
,
\
irqstat
,
#
0xFFFFFFE0
strne
\
tmp
,
[
\
base
,
#
AVIC_NIMASK
]
streq
r4
,
[
\
base
,
#
AVIC_NIMASK
]
#endif
#elif defined CONFIG_MXC_TZIC
@
Load
offset
&
priority
of
the
highest
priority
@
interrupt
pending
.
@
0x080
is
INTSEC0
register
@
0xD80
is
HIPND0
register
mov
\
irqnr
,
#
0
1000
:
add
\
irqstat
,
\
base
,
\
irqnr
,
lsr
#
3
ldr
\
tmp
,
[
\
irqstat
,
#
0xd80
]
ldr
\
irqstat
,
[
\
irqstat
,
#
0x080
]
ands
\
tmp
,
\
tmp
,
\
irqstat
bne
1001
f
add
\
irqnr
,
\
irqnr
,
#
32
cmp
\
irqnr
,
#
128
blo
1000
b
b
2001
f
1001
:
mov
\
irqstat
,
#
1
1002
:
tst
\
tmp
,
\
irqstat
bne
2002
f
movs
\
tmp
,
\
tmp
,
lsr
#
1
addne
\
irqnr
,
\
irqnr
,
#
1
bne
1002
b
2001
:
mov
\
irqnr
,
#
0
2002
:
movs
\
irqnr
,
\
irqnr
#endif
.
endm
.
endm
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