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Kirill Smelkov
linux
Commits
56177d2a
Commit
56177d2a
authored
Jun 17, 2004
by
Alexander Viro
Committed by
Linus Torvalds
Jun 17, 2004
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
[PATCH] sparse: i387 math-emu annotation
arch/i386/math-emu/* annotated.
parent
0fd81bef
Changes
11
Expand all
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Side-by-side
Showing
11 changed files
with
195 additions
and
194 deletions
+195
-194
arch/i386/math-emu/errors.c
arch/i386/math-emu/errors.c
+5
-5
arch/i386/math-emu/fpu_arith.c
arch/i386/math-emu/fpu_arith.c
+18
-18
arch/i386/math-emu/fpu_aux.c
arch/i386/math-emu/fpu_aux.c
+10
-10
arch/i386/math-emu/fpu_entry.c
arch/i386/math-emu/fpu_entry.c
+17
-16
arch/i386/math-emu/fpu_etc.c
arch/i386/math-emu/fpu_etc.c
+1
-1
arch/i386/math-emu/fpu_proto.h
arch/i386/math-emu/fpu_proto.h
+21
-21
arch/i386/math-emu/fpu_system.h
arch/i386/math-emu/fpu_system.h
+1
-1
arch/i386/math-emu/get_address.c
arch/i386/math-emu/get_address.c
+15
-15
arch/i386/math-emu/load_store.c
arch/i386/math-emu/load_store.c
+26
-26
arch/i386/math-emu/reg_compare.c
arch/i386/math-emu/reg_compare.c
+6
-6
arch/i386/math-emu/reg_ld_str.c
arch/i386/math-emu/reg_ld_str.c
+75
-75
No files found.
arch/i386/math-emu/errors.c
View file @
56177d2a
...
...
@@ -41,18 +41,18 @@ void Un_impl(void)
RE_ENTRANT_CHECK_OFF
;
/* No need to verify_area(), we have previously fetched these bytes. */
printk
(
"Unimplemented FPU Opcode at eip=%p : "
,
(
void
*
)
address
);
printk
(
"Unimplemented FPU Opcode at eip=%p : "
,
(
void
__user
*
)
address
);
if
(
FPU_CS
==
__USER_CS
)
{
while
(
1
)
{
FPU_get_user
(
byte1
,
(
u_char
*
)
address
);
FPU_get_user
(
byte1
,
(
u_char
__user
*
)
address
);
if
(
(
byte1
&
0xf8
)
==
0xd8
)
break
;
printk
(
"[%02x]"
,
byte1
);
address
++
;
}
printk
(
"%02x "
,
byte1
);
FPU_get_user
(
FPU_modrm
,
1
+
(
u_char
*
)
address
);
FPU_get_user
(
FPU_modrm
,
1
+
(
u_char
__user
*
)
address
);
if
(
FPU_modrm
>=
0300
)
printk
(
"%02x (%02x+%d)
\n
"
,
FPU_modrm
,
FPU_modrm
&
0xf8
,
FPU_modrm
&
7
);
...
...
@@ -98,7 +98,7 @@ void FPU_printall(void)
#define MAX_PRINTED_BYTES 20
for
(
i
=
0
;
i
<
MAX_PRINTED_BYTES
;
i
++
)
{
FPU_get_user
(
byte1
,
(
u_char
*
)
address
);
FPU_get_user
(
byte1
,
(
u_char
__user
*
)
address
);
if
(
(
byte1
&
0xf8
)
==
0xd8
)
{
printk
(
" %02x"
,
byte1
);
...
...
@@ -111,7 +111,7 @@ void FPU_printall(void)
printk
(
" [more..]
\n
"
);
else
{
FPU_get_user
(
FPU_modrm
,
1
+
(
u_char
*
)
address
);
FPU_get_user
(
FPU_modrm
,
1
+
(
u_char
__user
*
)
address
);
if
(
FPU_modrm
>=
0300
)
printk
(
" %02x (%02x+%d)
\n
"
,
FPU_modrm
,
FPU_modrm
&
0xf8
,
FPU_modrm
&
7
);
...
...
arch/i386/math-emu/fpu_arith.c
View file @
56177d2a
...
...
@@ -16,7 +16,7 @@
#include "status_w.h"
void
fadd__
()
void
fadd__
(
void
)
{
/* fadd st,st(i) */
int
i
=
FPU_rm
;
...
...
@@ -25,7 +25,7 @@ void fadd__()
}
void
fmul__
()
void
fmul__
(
void
)
{
/* fmul st,st(i) */
int
i
=
FPU_rm
;
...
...
@@ -35,7 +35,7 @@ void fmul__()
void
fsub__
()
void
fsub__
(
void
)
{
/* fsub st,st(i) */
clear_C1
();
...
...
@@ -43,7 +43,7 @@ void fsub__()
}
void
fsubr_
()
void
fsubr_
(
void
)
{
/* fsubr st,st(i) */
clear_C1
();
...
...
@@ -51,7 +51,7 @@ void fsubr_()
}
void
fdiv__
()
void
fdiv__
(
void
)
{
/* fdiv st,st(i) */
clear_C1
();
...
...
@@ -59,7 +59,7 @@ void fdiv__()
}
void
fdivr_
()
void
fdivr_
(
void
)
{
/* fdivr st,st(i) */
clear_C1
();
...
...
@@ -68,7 +68,7 @@ void fdivr_()
void
fadd_i
()
void
fadd_i
(
void
)
{
/* fadd st(i),st */
int
i
=
FPU_rm
;
...
...
@@ -77,7 +77,7 @@ void fadd_i()
}
void
fmul_i
()
void
fmul_i
(
void
)
{
/* fmul st(i),st */
clear_C1
();
...
...
@@ -85,7 +85,7 @@ void fmul_i()
}
void
fsubri
()
void
fsubri
(
void
)
{
/* fsubr st(i),st */
clear_C1
();
...
...
@@ -93,7 +93,7 @@ void fsubri()
}
void
fsub_i
()
void
fsub_i
(
void
)
{
/* fsub st(i),st */
clear_C1
();
...
...
@@ -101,7 +101,7 @@ void fsub_i()
}
void
fdivri
()
void
fdivri
(
void
)
{
/* fdivr st(i),st */
clear_C1
();
...
...
@@ -109,7 +109,7 @@ void fdivri()
}
void
fdiv_i
()
void
fdiv_i
(
void
)
{
/* fdiv st(i),st */
clear_C1
();
...
...
@@ -118,7 +118,7 @@ void fdiv_i()
void
faddp_
()
void
faddp_
(
void
)
{
/* faddp st(i),st */
int
i
=
FPU_rm
;
...
...
@@ -128,7 +128,7 @@ void faddp_()
}
void
fmulp_
()
void
fmulp_
(
void
)
{
/* fmulp st(i),st */
clear_C1
();
...
...
@@ -138,7 +138,7 @@ void fmulp_()
void
fsubrp
()
void
fsubrp
(
void
)
{
/* fsubrp st(i),st */
clear_C1
();
...
...
@@ -147,7 +147,7 @@ void fsubrp()
}
void
fsubp_
()
void
fsubp_
(
void
)
{
/* fsubp st(i),st */
clear_C1
();
...
...
@@ -156,7 +156,7 @@ void fsubp_()
}
void
fdivrp
()
void
fdivrp
(
void
)
{
/* fdivrp st(i),st */
clear_C1
();
...
...
@@ -165,7 +165,7 @@ void fdivrp()
}
void
fdivp_
()
void
fdivp_
(
void
)
{
/* fdivp st(i),st */
clear_C1
();
...
...
arch/i386/math-emu/fpu_aux.c
View file @
56177d2a
...
...
@@ -30,7 +30,7 @@ void fclex(void)
}
/* Needs to be externally visible */
void
finit
()
void
finit
(
void
)
{
control_word
=
0x037f
;
partial_status
=
0
;
...
...
@@ -58,7 +58,7 @@ static FUNC const finit_table[] = {
fsetpm
,
FPU_illegal
,
FPU_illegal
,
FPU_illegal
};
void
finit_
()
void
finit_
(
void
)
{
(
finit_table
[
FPU_rm
])();
}
...
...
@@ -75,7 +75,7 @@ static FUNC const fstsw_table[] = {
FPU_illegal
,
FPU_illegal
,
FPU_illegal
,
FPU_illegal
};
void
fstsw_
()
void
fstsw_
(
void
)
{
(
fstsw_table
[
FPU_rm
])();
}
...
...
@@ -86,13 +86,13 @@ static FUNC const fp_nop_table[] = {
FPU_illegal
,
FPU_illegal
,
FPU_illegal
,
FPU_illegal
};
void
fp_nop
()
void
fp_nop
(
void
)
{
(
fp_nop_table
[
FPU_rm
])();
}
void
fld_i_
()
void
fld_i_
(
void
)
{
FPU_REG
*
st_new_ptr
;
int
i
;
...
...
@@ -124,7 +124,7 @@ void fld_i_()
}
void
fxch_i
()
void
fxch_i
(
void
)
{
/* fxch st(i) */
FPU_REG
t
;
...
...
@@ -173,14 +173,14 @@ void fxch_i()
}
void
ffree_
()
void
ffree_
(
void
)
{
/* ffree st(i) */
FPU_settagi
(
FPU_rm
,
TAG_Empty
);
}
void
ffreep
()
void
ffreep
(
void
)
{
/* ffree st(i) + pop - unofficial code */
FPU_settagi
(
FPU_rm
,
TAG_Empty
);
...
...
@@ -188,14 +188,14 @@ void ffreep()
}
void
fst_i_
()
void
fst_i_
(
void
)
{
/* fst st(i) */
FPU_copy_to_regi
(
&
st
(
0
),
FPU_gettag0
(),
FPU_rm
);
}
void
fstp_i
()
void
fstp_i
(
void
)
{
/* fstp st(i) */
FPU_copy_to_regi
(
&
st
(
0
),
FPU_gettag0
(),
FPU_rm
);
...
...
arch/i386/math-emu/fpu_entry.c
View file @
56177d2a
...
...
@@ -128,7 +128,7 @@ static u_char const type_table[64] = {
u_char
emulating
=
0
;
#endif
/* RE_ENTRANT_CHECKING */
static
int
valid_prefix
(
u_char
*
Byte
,
u_char
**
fpu_eip
,
static
int
valid_prefix
(
u_char
*
Byte
,
u_char
__user
**
fpu_eip
,
overrides
*
override
);
asmlinkage
void
math_emulate
(
long
arg
)
...
...
@@ -140,7 +140,7 @@ asmlinkage void math_emulate(long arg)
FPU_REG
loaded_data
;
FPU_REG
*
st0_ptr
;
u_char
loaded_tag
,
st0_tag
;
void
*
data_address
;
void
__user
*
data_address
;
struct
address
data_sel_off
;
struct
address
entry_sel_off
;
unsigned
long
code_base
=
0
;
...
...
@@ -192,7 +192,8 @@ asmlinkage void math_emulate(long arg)
math_abort
(
FPU_info
,
SIGILL
);
}
if
(
SEG_D_SIZE
(
code_descriptor
=
LDT_DESCRIPTOR
(
FPU_CS
))
)
code_descriptor
=
LDT_DESCRIPTOR
(
FPU_CS
);
if
(
SEG_D_SIZE
(
code_descriptor
)
)
{
/* The above test may be wrong, the book is not clear */
/* Segmented 32 bit protected mode */
...
...
@@ -214,7 +215,7 @@ asmlinkage void math_emulate(long arg)
if
(
current
->
ptrace
&
PT_PTRACED
)
FPU_lookahead
=
0
;
if
(
!
valid_prefix
(
&
byte1
,
(
u_char
**
)
&
FPU_EIP
,
if
(
!
valid_prefix
(
&
byte1
,
(
u_char
__user
**
)
&
FPU_EIP
,
&
addr_modes
.
override
)
)
{
RE_ENTRANT_CHECK_OFF
;
...
...
@@ -257,7 +258,7 @@ asmlinkage void math_emulate(long arg)
RE_ENTRANT_CHECK_OFF
;
FPU_code_verify_area
(
1
);
FPU_get_user
(
FPU_modrm
,
(
u_char
*
)
FPU_EIP
);
FPU_get_user
(
FPU_modrm
,
(
u_char
__user
*
)
FPU_EIP
);
RE_ENTRANT_CHECK_ON
;
FPU_EIP
++
;
...
...
@@ -336,23 +337,23 @@ asmlinkage void math_emulate(long arg)
switch
(
(
byte1
>>
1
)
&
3
)
{
case
0
:
unmasked
=
FPU_load_single
((
float
*
)
data_address
,
unmasked
=
FPU_load_single
((
float
__user
*
)
data_address
,
&
loaded_data
);
loaded_tag
=
unmasked
&
0xff
;
unmasked
&=
~
0xff
;
break
;
case
1
:
loaded_tag
=
FPU_load_int32
((
long
*
)
data_address
,
&
loaded_data
);
loaded_tag
=
FPU_load_int32
((
long
__user
*
)
data_address
,
&
loaded_data
);
break
;
case
2
:
unmasked
=
FPU_load_double
((
double
*
)
data_address
,
unmasked
=
FPU_load_double
((
double
__user
*
)
data_address
,
&
loaded_data
);
loaded_tag
=
unmasked
&
0xff
;
unmasked
&=
~
0xff
;
break
;
case
3
:
default:
/* Used here to suppress gcc warnings. */
loaded_tag
=
FPU_load_int16
((
short
*
)
data_address
,
&
loaded_data
);
loaded_tag
=
FPU_load_int16
((
short
__user
*
)
data_address
,
&
loaded_data
);
break
;
}
...
...
@@ -563,7 +564,7 @@ asmlinkage void math_emulate(long arg)
if
(
FPU_lookahead
&&
!
need_resched
())
{
FPU_ORIG_EIP
=
FPU_EIP
-
code_base
;
if
(
valid_prefix
(
&
byte1
,
(
u_char
**
)
&
FPU_EIP
,
if
(
valid_prefix
(
&
byte1
,
(
u_char
__user
**
)
&
FPU_EIP
,
&
addr_modes
.
override
)
)
goto
do_another_FPU_instruction
;
}
...
...
@@ -579,11 +580,11 @@ asmlinkage void math_emulate(long arg)
all prefix bytes, further changes are needed in the emulator code
which accesses user address space. Access to separate segments is
important for msdos emulation. */
static
int
valid_prefix
(
u_char
*
Byte
,
u_char
**
fpu_eip
,
static
int
valid_prefix
(
u_char
*
Byte
,
u_char
__user
**
fpu_eip
,
overrides
*
override
)
{
u_char
byte
;
u_char
*
ip
=
*
fpu_eip
;
u_char
__user
*
ip
=
*
fpu_eip
;
*
override
=
(
overrides
)
{
0
,
0
,
PREFIX_DEFAULT
};
/* defaults */
...
...
@@ -679,9 +680,9 @@ void math_abort(struct info * info, unsigned int signal)
#define sstatus_word() \
((S387->swd & ~SW_Top & 0xffff) | ((S387->ftop << SW_Top_Shift) & SW_Top))
int
restore_i387_soft
(
void
*
s387
,
struct
_fpstate
*
buf
)
int
restore_i387_soft
(
void
*
s387
,
struct
_fpstate
__user
*
buf
)
{
u_char
*
d
=
(
u_cha
r
*
)
buf
;
u_char
__user
*
d
=
(
u_char
__use
r
*
)
buf
;
int
offset
,
other
,
i
,
tags
,
regnr
,
tag
,
newtop
;
RE_ENTRANT_CHECK_OFF
;
...
...
@@ -725,9 +726,9 @@ int restore_i387_soft(void *s387, struct _fpstate *buf)
}
int
save_i387_soft
(
void
*
s387
,
struct
_fpstate
*
buf
)
int
save_i387_soft
(
void
*
s387
,
struct
_fpstate
__user
*
buf
)
{
u_char
*
d
=
(
u_cha
r
*
)
buf
;
u_char
__user
*
d
=
(
u_char
__use
r
*
)
buf
;
int
offset
=
(
S387
->
ftop
&
7
)
*
10
,
other
=
80
-
offset
;
RE_ENTRANT_CHECK_OFF
;
...
...
arch/i386/math-emu/fpu_etc.c
View file @
56177d2a
...
...
@@ -137,7 +137,7 @@ static FUNC_ST0 const fp_etc_table[] = {
ftst_
,
fxam
,
(
FUNC_ST0
)
FPU_illegal
,
(
FUNC_ST0
)
FPU_illegal
};
void
FPU_etc
()
void
FPU_etc
(
void
)
{
(
fp_etc_table
[
FPU_rm
])(
&
st
(
0
),
FPU_gettag0
());
}
arch/i386/math-emu/fpu_proto.h
View file @
56177d2a
...
...
@@ -77,13 +77,13 @@ extern void FPU_copy_to_reg0(FPU_REG const *r, u_char tag);
extern
void
FPU_triga
(
void
);
extern
void
FPU_trigb
(
void
);
/* get_address.c */
extern
void
*
FPU_get_address
(
u_char
FPU_modrm
,
unsigned
long
*
fpu_eip
,
extern
void
__user
*
FPU_get_address
(
u_char
FPU_modrm
,
unsigned
long
*
fpu_eip
,
struct
address
*
addr
,
fpu_addr_modes
addr_modes
);
extern
void
*
FPU_get_address_16
(
u_char
FPU_modrm
,
unsigned
long
*
fpu_eip
,
extern
void
__user
*
FPU_get_address_16
(
u_char
FPU_modrm
,
unsigned
long
*
fpu_eip
,
struct
address
*
addr
,
fpu_addr_modes
addr_modes
);
/* load_store.c */
extern
int
FPU_load_store
(
u_char
type
,
fpu_addr_modes
addr_modes
,
void
*
data_address
);
void
__user
*
data_address
);
/* poly_2xm1.c */
extern
int
poly_2xm1
(
u_char
sign
,
FPU_REG
*
arg
,
FPU_REG
*
result
);
/* poly_atan.c */
...
...
@@ -112,26 +112,26 @@ extern void fucompp(void);
/* reg_constant.c */
extern
void
fconst
(
void
);
/* reg_ld_str.c */
extern
int
FPU_load_extended
(
long
double
*
s
,
int
stnr
);
extern
int
FPU_load_double
(
double
*
dfloat
,
FPU_REG
*
loaded_data
);
extern
int
FPU_load_single
(
float
*
single
,
FPU_REG
*
loaded_data
);
extern
int
FPU_load_int64
(
long
long
*
_s
);
extern
int
FPU_load_int32
(
long
*
_s
,
FPU_REG
*
loaded_data
);
extern
int
FPU_load_int16
(
short
*
_s
,
FPU_REG
*
loaded_data
);
extern
int
FPU_load_bcd
(
u_char
*
s
);
extern
int
FPU_load_extended
(
long
double
__user
*
s
,
int
stnr
);
extern
int
FPU_load_double
(
double
__user
*
dfloat
,
FPU_REG
*
loaded_data
);
extern
int
FPU_load_single
(
float
__user
*
single
,
FPU_REG
*
loaded_data
);
extern
int
FPU_load_int64
(
long
long
__user
*
_s
);
extern
int
FPU_load_int32
(
long
__user
*
_s
,
FPU_REG
*
loaded_data
);
extern
int
FPU_load_int16
(
short
__user
*
_s
,
FPU_REG
*
loaded_data
);
extern
int
FPU_load_bcd
(
u_char
__user
*
s
);
extern
int
FPU_store_extended
(
FPU_REG
*
st0_ptr
,
u_char
st0_tag
,
long
double
*
d
);
extern
int
FPU_store_double
(
FPU_REG
*
st0_ptr
,
u_char
st0_tag
,
double
*
dfloat
);
extern
int
FPU_store_single
(
FPU_REG
*
st0_ptr
,
u_char
st0_tag
,
float
*
single
);
extern
int
FPU_store_int64
(
FPU_REG
*
st0_ptr
,
u_char
st0_tag
,
long
long
*
d
);
extern
int
FPU_store_int32
(
FPU_REG
*
st0_ptr
,
u_char
st0_tag
,
long
*
d
);
extern
int
FPU_store_int16
(
FPU_REG
*
st0_ptr
,
u_char
st0_tag
,
short
*
d
);
extern
int
FPU_store_bcd
(
FPU_REG
*
st0_ptr
,
u_char
st0_tag
,
u_char
*
d
);
long
double
__user
*
d
);
extern
int
FPU_store_double
(
FPU_REG
*
st0_ptr
,
u_char
st0_tag
,
double
__user
*
dfloat
);
extern
int
FPU_store_single
(
FPU_REG
*
st0_ptr
,
u_char
st0_tag
,
float
__user
*
single
);
extern
int
FPU_store_int64
(
FPU_REG
*
st0_ptr
,
u_char
st0_tag
,
long
long
__user
*
d
);
extern
int
FPU_store_int32
(
FPU_REG
*
st0_ptr
,
u_char
st0_tag
,
long
__user
*
d
);
extern
int
FPU_store_int16
(
FPU_REG
*
st0_ptr
,
u_char
st0_tag
,
short
__user
*
d
);
extern
int
FPU_store_bcd
(
FPU_REG
*
st0_ptr
,
u_char
st0_tag
,
u_char
__user
*
d
);
extern
int
FPU_round_to_int
(
FPU_REG
*
r
,
u_char
tag
);
extern
u_char
*
fldenv
(
fpu_addr_modes
addr_modes
,
u_cha
r
*
s
);
extern
void
frstor
(
fpu_addr_modes
addr_modes
,
u_char
*
data_address
);
extern
u_char
*
fstenv
(
fpu_addr_modes
addr_modes
,
u_cha
r
*
d
);
extern
void
fsave
(
fpu_addr_modes
addr_modes
,
u_char
*
data_address
);
extern
u_char
__user
*
fldenv
(
fpu_addr_modes
addr_modes
,
u_char
__use
r
*
s
);
extern
void
frstor
(
fpu_addr_modes
addr_modes
,
u_char
__user
*
data_address
);
extern
u_char
__user
*
fstenv
(
fpu_addr_modes
addr_modes
,
u_char
__use
r
*
d
);
extern
void
fsave
(
fpu_addr_modes
addr_modes
,
u_char
__user
*
data_address
);
extern
int
FPU_tagof
(
FPU_REG
*
ptr
);
/* reg_mul.c */
extern
int
FPU_mul
(
FPU_REG
const
*
b
,
u_char
tagb
,
int
deststnr
,
int
control_w
);
...
...
arch/i386/math-emu/fpu_system.h
View file @
56177d2a
...
...
@@ -80,7 +80,7 @@
/* A simpler test than verify_area() can probably be done for
FPU_code_verify_area() because the only possible error is to step
past the upper boundary of a legal code area. */
#define FPU_code_verify_area(z) FPU_verify_area(VERIFY_READ,(void *)FPU_EIP,z)
#define FPU_code_verify_area(z) FPU_verify_area(VERIFY_READ,(void
__user
*)FPU_EIP,z)
#endif
#define FPU_get_user(x,y) get_user((x),(y))
...
...
arch/i386/math-emu/get_address.c
View file @
56177d2a
...
...
@@ -82,7 +82,7 @@ static int sib(int mod, unsigned long *fpu_eip)
RE_ENTRANT_CHECK_OFF
;
FPU_code_verify_area
(
1
);
FPU_get_user
(
base
,
(
u_char
*
)
(
*
fpu_eip
));
/* The SIB byte */
FPU_get_user
(
base
,
(
u_char
__user
*
)
(
*
fpu_eip
));
/* The SIB byte */
RE_ENTRANT_CHECK_ON
;
(
*
fpu_eip
)
++
;
ss
=
base
>>
6
;
...
...
@@ -112,7 +112,7 @@ static int sib(int mod, unsigned long *fpu_eip)
long
displacement
;
RE_ENTRANT_CHECK_OFF
;
FPU_code_verify_area
(
1
);
FPU_get_user
(
displacement
,
(
signed
char
*
)
(
*
fpu_eip
));
FPU_get_user
(
displacement
,
(
signed
char
__user
*
)
(
*
fpu_eip
));
offset
+=
displacement
;
RE_ENTRANT_CHECK_ON
;
(
*
fpu_eip
)
++
;
...
...
@@ -123,7 +123,7 @@ static int sib(int mod, unsigned long *fpu_eip)
long
displacement
;
RE_ENTRANT_CHECK_OFF
;
FPU_code_verify_area
(
4
);
FPU_get_user
(
displacement
,
(
long
*
)
(
*
fpu_eip
));
FPU_get_user
(
displacement
,
(
long
__user
*
)
(
*
fpu_eip
));
offset
+=
displacement
;
RE_ENTRANT_CHECK_ON
;
(
*
fpu_eip
)
+=
4
;
...
...
@@ -241,7 +241,7 @@ static long pm_address(u_char FPU_modrm, u_char segment,
*/
void
*
FPU_get_address
(
u_char
FPU_modrm
,
unsigned
long
*
fpu_eip
,
void
__user
*
FPU_get_address
(
u_char
FPU_modrm
,
unsigned
long
*
fpu_eip
,
struct
address
*
addr
,
fpu_addr_modes
addr_modes
)
{
...
...
@@ -277,24 +277,24 @@ void *FPU_get_address(u_char FPU_modrm, unsigned long *fpu_eip,
/* Special case: disp32 */
RE_ENTRANT_CHECK_OFF
;
FPU_code_verify_area
(
4
);
FPU_get_user
(
address
,
(
unsigned
long
*
)
(
*
fpu_eip
));
FPU_get_user
(
address
,
(
unsigned
long
__user
*
)
(
*
fpu_eip
));
(
*
fpu_eip
)
+=
4
;
RE_ENTRANT_CHECK_ON
;
addr
->
offset
=
address
;
return
(
void
*
)
address
;
return
(
void
__user
*
)
address
;
}
else
{
address
=
*
cpu_reg_ptr
;
/* Just return the contents
of the cpu register */
addr
->
offset
=
address
;
return
(
void
*
)
address
;
return
(
void
__user
*
)
address
;
}
case
1
:
/* 8 bit signed displacement */
RE_ENTRANT_CHECK_OFF
;
FPU_code_verify_area
(
1
);
FPU_get_user
(
address
,
(
signed
char
*
)
(
*
fpu_eip
));
FPU_get_user
(
address
,
(
signed
char
__user
*
)
(
*
fpu_eip
));
RE_ENTRANT_CHECK_ON
;
(
*
fpu_eip
)
++
;
break
;
...
...
@@ -302,7 +302,7 @@ void *FPU_get_address(u_char FPU_modrm, unsigned long *fpu_eip,
/* 32 bit displacement */
RE_ENTRANT_CHECK_OFF
;
FPU_code_verify_area
(
4
);
FPU_get_user
(
address
,
(
long
*
)
(
*
fpu_eip
));
FPU_get_user
(
address
,
(
long
__user
*
)
(
*
fpu_eip
));
(
*
fpu_eip
)
+=
4
;
RE_ENTRANT_CHECK_ON
;
break
;
...
...
@@ -331,11 +331,11 @@ void *FPU_get_address(u_char FPU_modrm, unsigned long *fpu_eip,
EXCEPTION
(
EX_INTERNAL
|
0x133
);
}
return
(
void
*
)
address
;
return
(
void
__user
*
)
address
;
}
void
*
FPU_get_address_16
(
u_char
FPU_modrm
,
unsigned
long
*
fpu_eip
,
void
__user
*
FPU_get_address_16
(
u_char
FPU_modrm
,
unsigned
long
*
fpu_eip
,
struct
address
*
addr
,
fpu_addr_modes
addr_modes
)
{
...
...
@@ -363,7 +363,7 @@ void *FPU_get_address_16(u_char FPU_modrm, unsigned long *fpu_eip,
/* Special case: disp16 */
RE_ENTRANT_CHECK_OFF
;
FPU_code_verify_area
(
2
);
FPU_get_user
(
address
,
(
unsigned
short
*
)
(
*
fpu_eip
));
FPU_get_user
(
address
,
(
unsigned
short
__user
*
)
(
*
fpu_eip
));
(
*
fpu_eip
)
+=
2
;
RE_ENTRANT_CHECK_ON
;
goto
add_segment
;
...
...
@@ -373,7 +373,7 @@ void *FPU_get_address_16(u_char FPU_modrm, unsigned long *fpu_eip,
/* 8 bit signed displacement */
RE_ENTRANT_CHECK_OFF
;
FPU_code_verify_area
(
1
);
FPU_get_user
(
address
,
(
signed
char
*
)
(
*
fpu_eip
));
FPU_get_user
(
address
,
(
signed
char
__user
*
)
(
*
fpu_eip
));
RE_ENTRANT_CHECK_ON
;
(
*
fpu_eip
)
++
;
break
;
...
...
@@ -381,7 +381,7 @@ void *FPU_get_address_16(u_char FPU_modrm, unsigned long *fpu_eip,
/* 16 bit displacement */
RE_ENTRANT_CHECK_OFF
;
FPU_code_verify_area
(
2
);
FPU_get_user
(
address
,
(
unsigned
short
*
)
(
*
fpu_eip
));
FPU_get_user
(
address
,
(
unsigned
short
__user
*
)
(
*
fpu_eip
));
(
*
fpu_eip
)
+=
2
;
RE_ENTRANT_CHECK_ON
;
break
;
...
...
@@ -445,5 +445,5 @@ void *FPU_get_address_16(u_char FPU_modrm, unsigned long *fpu_eip,
EXCEPTION
(
EX_INTERNAL
|
0x131
);
}
return
(
void
*
)
address
;
return
(
void
__user
*
)
address
;
}
arch/i386/math-emu/load_store.c
View file @
56177d2a
...
...
@@ -61,7 +61,7 @@ u_char const data_sizes_32[32] = {
};
int
FPU_load_store
(
u_char
type
,
fpu_addr_modes
addr_modes
,
void
*
data_address
)
void
__user
*
data_address
)
{
FPU_REG
loaded_data
;
FPU_REG
*
st0_ptr
;
...
...
@@ -119,7 +119,7 @@ int FPU_load_store(u_char type, fpu_addr_modes addr_modes,
{
case
000
:
/* fld m32real */
clear_C1
();
loaded_tag
=
FPU_load_single
((
float
*
)
data_address
,
&
loaded_data
);
loaded_tag
=
FPU_load_single
((
float
__user
*
)
data_address
,
&
loaded_data
);
if
(
(
loaded_tag
==
TAG_Special
)
&&
isNaN
(
&
loaded_data
)
&&
(
real_1op_NaN
(
&
loaded_data
)
<
0
)
)
...
...
@@ -131,12 +131,12 @@ int FPU_load_store(u_char type, fpu_addr_modes addr_modes,
break
;
case
001
:
/* fild m32int */
clear_C1
();
loaded_tag
=
FPU_load_int32
((
long
*
)
data_address
,
&
loaded_data
);
loaded_tag
=
FPU_load_int32
((
long
__user
*
)
data_address
,
&
loaded_data
);
FPU_copy_to_reg0
(
&
loaded_data
,
loaded_tag
);
break
;
case
002
:
/* fld m64real */
clear_C1
();
loaded_tag
=
FPU_load_double
((
double
*
)
data_address
,
&
loaded_data
);
loaded_tag
=
FPU_load_double
((
double
__user
*
)
data_address
,
&
loaded_data
);
if
(
(
loaded_tag
==
TAG_Special
)
&&
isNaN
(
&
loaded_data
)
&&
(
real_1op_NaN
(
&
loaded_data
)
<
0
)
)
...
...
@@ -148,68 +148,68 @@ int FPU_load_store(u_char type, fpu_addr_modes addr_modes,
break
;
case
003
:
/* fild m16int */
clear_C1
();
loaded_tag
=
FPU_load_int16
((
short
*
)
data_address
,
&
loaded_data
);
loaded_tag
=
FPU_load_int16
((
short
__user
*
)
data_address
,
&
loaded_data
);
FPU_copy_to_reg0
(
&
loaded_data
,
loaded_tag
);
break
;
case
010
:
/* fst m32real */
clear_C1
();
FPU_store_single
(
st0_ptr
,
st0_tag
,
(
float
*
)
data_address
);
FPU_store_single
(
st0_ptr
,
st0_tag
,
(
float
__user
*
)
data_address
);
break
;
case
011
:
/* fist m32int */
clear_C1
();
FPU_store_int32
(
st0_ptr
,
st0_tag
,
(
long
*
)
data_address
);
FPU_store_int32
(
st0_ptr
,
st0_tag
,
(
long
__user
*
)
data_address
);
break
;
case
012
:
/* fst m64real */
clear_C1
();
FPU_store_double
(
st0_ptr
,
st0_tag
,
(
double
*
)
data_address
);
FPU_store_double
(
st0_ptr
,
st0_tag
,
(
double
__user
*
)
data_address
);
break
;
case
013
:
/* fist m16int */
clear_C1
();
FPU_store_int16
(
st0_ptr
,
st0_tag
,
(
short
*
)
data_address
);
FPU_store_int16
(
st0_ptr
,
st0_tag
,
(
short
__user
*
)
data_address
);
break
;
case
014
:
/* fstp m32real */
clear_C1
();
if
(
FPU_store_single
(
st0_ptr
,
st0_tag
,
(
float
*
)
data_address
)
)
if
(
FPU_store_single
(
st0_ptr
,
st0_tag
,
(
float
__user
*
)
data_address
)
)
pop_0
();
/* pop only if the number was actually stored
(see the 80486 manual p16-28) */
break
;
case
015
:
/* fistp m32int */
clear_C1
();
if
(
FPU_store_int32
(
st0_ptr
,
st0_tag
,
(
long
*
)
data_address
)
)
if
(
FPU_store_int32
(
st0_ptr
,
st0_tag
,
(
long
__user
*
)
data_address
)
)
pop_0
();
/* pop only if the number was actually stored
(see the 80486 manual p16-28) */
break
;
case
016
:
/* fstp m64real */
clear_C1
();
if
(
FPU_store_double
(
st0_ptr
,
st0_tag
,
(
double
*
)
data_address
)
)
if
(
FPU_store_double
(
st0_ptr
,
st0_tag
,
(
double
__user
*
)
data_address
)
)
pop_0
();
/* pop only if the number was actually stored
(see the 80486 manual p16-28) */
break
;
case
017
:
/* fistp m16int */
clear_C1
();
if
(
FPU_store_int16
(
st0_ptr
,
st0_tag
,
(
short
*
)
data_address
)
)
if
(
FPU_store_int16
(
st0_ptr
,
st0_tag
,
(
short
__user
*
)
data_address
)
)
pop_0
();
/* pop only if the number was actually stored
(see the 80486 manual p16-28) */
break
;
case
020
:
/* fldenv m14/28byte */
fldenv
(
addr_modes
,
(
u_char
*
)
data_address
);
fldenv
(
addr_modes
,
(
u_char
__user
*
)
data_address
);
/* Ensure that the values just loaded are not changed by
fix-up operations. */
return
1
;
case
022
:
/* frstor m94/108byte */
frstor
(
addr_modes
,
(
u_char
*
)
data_address
);
frstor
(
addr_modes
,
(
u_char
__user
*
)
data_address
);
/* Ensure that the values just loaded are not changed by
fix-up operations. */
return
1
;
case
023
:
/* fbld m80dec */
clear_C1
();
loaded_tag
=
FPU_load_bcd
((
u_char
*
)
data_address
);
loaded_tag
=
FPU_load_bcd
((
u_char
__user
*
)
data_address
);
FPU_settag0
(
loaded_tag
);
break
;
case
024
:
/* fldcw */
RE_ENTRANT_CHECK_OFF
;
FPU_verify_area
(
VERIFY_READ
,
data_address
,
2
);
FPU_get_user
(
control_word
,
(
unsigned
short
*
)
data_address
);
FPU_get_user
(
control_word
,
(
unsigned
short
__user
*
)
data_address
);
RE_ENTRANT_CHECK_ON
;
if
(
partial_status
&
~
control_word
&
CW_Exceptions
)
partial_status
|=
(
SW_Summary
|
SW_Backward
);
...
...
@@ -221,47 +221,47 @@ int FPU_load_store(u_char type, fpu_addr_modes addr_modes,
return
1
;
case
025
:
/* fld m80real */
clear_C1
();
loaded_tag
=
FPU_load_extended
((
long
double
*
)
data_address
,
0
);
loaded_tag
=
FPU_load_extended
((
long
double
__user
*
)
data_address
,
0
);
FPU_settag0
(
loaded_tag
);
break
;
case
027
:
/* fild m64int */
clear_C1
();
loaded_tag
=
FPU_load_int64
((
long
long
*
)
data_address
);
loaded_tag
=
FPU_load_int64
((
long
long
__user
*
)
data_address
);
FPU_settag0
(
loaded_tag
);
break
;
case
030
:
/* fstenv m14/28byte */
fstenv
(
addr_modes
,
(
u_char
*
)
data_address
);
fstenv
(
addr_modes
,
(
u_char
__user
*
)
data_address
);
return
1
;
case
032
:
/* fsave */
fsave
(
addr_modes
,
(
u_char
*
)
data_address
);
fsave
(
addr_modes
,
(
u_char
__user
*
)
data_address
);
return
1
;
case
033
:
/* fbstp m80dec */
clear_C1
();
if
(
FPU_store_bcd
(
st0_ptr
,
st0_tag
,
(
u_char
*
)
data_address
)
)
if
(
FPU_store_bcd
(
st0_ptr
,
st0_tag
,
(
u_char
__user
*
)
data_address
)
)
pop_0
();
/* pop only if the number was actually stored
(see the 80486 manual p16-28) */
break
;
case
034
:
/* fstcw m16int */
RE_ENTRANT_CHECK_OFF
;
FPU_verify_area
(
VERIFY_WRITE
,
data_address
,
2
);
FPU_put_user
(
control_word
,
(
unsigned
short
*
)
data_address
);
FPU_put_user
(
control_word
,
(
unsigned
short
__user
*
)
data_address
);
RE_ENTRANT_CHECK_ON
;
return
1
;
case
035
:
/* fstp m80real */
clear_C1
();
if
(
FPU_store_extended
(
st0_ptr
,
st0_tag
,
(
long
double
*
)
data_address
)
)
if
(
FPU_store_extended
(
st0_ptr
,
st0_tag
,
(
long
double
__user
*
)
data_address
)
)
pop_0
();
/* pop only if the number was actually stored
(see the 80486 manual p16-28) */
break
;
case
036
:
/* fstsw m2byte */
RE_ENTRANT_CHECK_OFF
;
FPU_verify_area
(
VERIFY_WRITE
,
data_address
,
2
);
FPU_put_user
(
status_word
(),(
unsigned
short
*
)
data_address
);
FPU_put_user
(
status_word
(),(
unsigned
short
__user
*
)
data_address
);
RE_ENTRANT_CHECK_ON
;
return
1
;
case
037
:
/* fistp m64int */
clear_C1
();
if
(
FPU_store_int64
(
st0_ptr
,
st0_tag
,
(
long
long
*
)
data_address
)
)
if
(
FPU_store_int64
(
st0_ptr
,
st0_tag
,
(
long
long
__user
*
)
data_address
)
)
pop_0
();
/* pop only if the number was actually stored
(see the 80486 manual p16-28) */
break
;
...
...
arch/i386/math-emu/reg_compare.c
View file @
56177d2a
...
...
@@ -324,14 +324,14 @@ static int compare_u_st_st(int nr)
/*---------------------------------------------------------------------------*/
void
fcom_st
()
void
fcom_st
(
void
)
{
/* fcom st(i) */
compare_st_st
(
FPU_rm
);
}
void
fcompst
()
void
fcompst
(
void
)
{
/* fcomp st(i) */
if
(
!
compare_st_st
(
FPU_rm
)
)
...
...
@@ -339,7 +339,7 @@ void fcompst()
}
void
fcompp
()
void
fcompp
(
void
)
{
/* fcompp */
if
(
FPU_rm
!=
1
)
...
...
@@ -352,7 +352,7 @@ void fcompp()
}
void
fucom_
()
void
fucom_
(
void
)
{
/* fucom st(i) */
compare_u_st_st
(
FPU_rm
);
...
...
@@ -360,7 +360,7 @@ void fucom_()
}
void
fucomp
()
void
fucomp
(
void
)
{
/* fucomp st(i) */
if
(
!
compare_u_st_st
(
FPU_rm
)
)
...
...
@@ -368,7 +368,7 @@ void fucomp()
}
void
fucompp
()
void
fucompp
(
void
)
{
/* fucompp */
if
(
FPU_rm
==
1
)
...
...
arch/i386/math-emu/reg_ld_str.c
View file @
56177d2a
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