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nexedi
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
Show whitespace changes
Inline
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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