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Kirill Smelkov
linux
Commits
d6c91d1a
Commit
d6c91d1a
authored
Sep 29, 2002
by
Russell King
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[ARM] NWFPE updates for new entry conditions.
parent
e8641889
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1
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3 deletions
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arch/arm/nwfpe/entry.S
arch/arm/nwfpe/entry.S
+2
-3
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arch/arm/nwfpe/entry.S
View file @
d6c91d1a
...
@@ -23,6 +23,8 @@
...
@@ -23,6 +23,8 @@
/*
This
is
the
kernel
's entry point into the floating point emulator.
/*
This
is
the
kernel
's entry point into the floating point emulator.
It
is
called
from
the
kernel
with
code
similar
to
this
:
It
is
called
from
the
kernel
with
code
similar
to
this
:
sub
r4
,
r5
,
#
4
ldrt
r0
,
[
r4
]
@
r0
=
instruction
adrsvc
al
,
r9
,
ret_from_exception
@
r9
=
normal
FP
return
adrsvc
al
,
r9
,
ret_from_exception
@
r9
=
normal
FP
return
adrsvc
al
,
lr
,
fpundefinstr
@
lr
=
undefined
instr
return
adrsvc
al
,
lr
,
fpundefinstr
@
lr
=
undefined
instr
return
...
@@ -74,8 +76,6 @@ nwfpe_enter:
...
@@ -74,8 +76,6 @@ nwfpe_enter:
mov
sl
,
sp
mov
sl
,
sp
ldr
r5
,
[
sp
,
#
60
]
@
get
contents
of
PC
;
ldr
r5
,
[
sp
,
#
60
]
@
get
contents
of
PC
;
sub
r8
,
r5
,
#
4
.
Lx2
:
ldrt
r0
,
[
r8
]
@
get
actual
instruction
into
r0
emulate
:
emulate
:
bl
EmulateAll
@
emulate
the
instruction
bl
EmulateAll
@
emulate
the
instruction
cmp
r0
,
#
0
@
was
emulation
successful
cmp
r0
,
#
0
@
was
emulation
successful
...
@@ -116,5 +116,4 @@ next:
...
@@ -116,5 +116,4 @@ next:
.
section
__ex_table
,
"a"
.
section
__ex_table
,
"a"
.
align
3
.
align
3
.
long
.
Lx1
,
.
Lfix
.
long
.
Lx1
,
.
Lfix
.
long
.
Lx2
,
.
Lfix
.
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