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Carl Shapiro
cmucl
Commits
6e17aece
"compiler/sparc/call.lisp" did not exist on "b9b7b8ac94801e906e39a4be6f20fe653338163a"
Commit
6e17aece
authored
32 years ago
by
wlott
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6e17aece
#include <machine/asm_linkage.h>
#include <machine/psl.h>
#include <machine/trap.h>
#define LANGUAGE_ASSEMBLY
#include "lispregs.h"
#include "internals.h"
#include "globals.h"
#define load(sym, reg) \
sethi
%
hi
(
sym
),
reg
; ld [reg+%lo(sym)], reg
#define store(reg, sym) \
sethi
%
hi
(
sym
),
reg_L0
; st reg, [reg_L0+%lo(sym)]
#define FRAMESIZE (SA(WINDOWSIZE+4))
.
seg
"text"
.
global
_call_into_lisp
_call_into_lisp
:
save
%
sp
,
-
FRAMESIZE
,
%
sp
/
*
Flush
all
of
C
's register windows to the stack. */
ta
ST_FLUSH_WINDOWS
/
*
Save
the
return
address
.
*/
st
%
i7
,
[%
fp
-
4
]
/
*
Clear
the
descriptor
regs
.
*/
mov
reg_ZERO
,
reg_A0
mov
reg_ZERO
,
reg_A1
mov
reg_ZERO
,
reg_A2
mov
reg_ZERO
,
reg_A3
mov
reg_ZERO
,
reg_A4
mov
reg_ZERO
,
reg_A5
mov
reg_ZERO
,
reg_OCFP
mov
reg_ZERO
,
reg_LRA
mov
reg_ZERO
,
reg_L2
mov
reg_ZERO
,
reg_CODE
/
*
Establish
NIL
*/
set
NIL
,
reg_NIL
/
*
Set
the
pseudo
-
atomic
flag
.
*/
set
4
,
reg_ALLOC
/
*
Turn
off
foreign
function
call
.
*/
sethi
%
hi
(
_foreign_function_call_active
),
reg_NL0
st
reg_ZERO
,
[
reg_NL0
+%
lo
(
_foreign_function_call_active
)]
/
*
Load
the
rest
of
lisp
state
.
*/
load
(
_current_dynamic_space_free_pointer
,
reg_NL0
)
add
reg_NL0
,
reg_ALLOC
,
reg_ALLOC
load
(
_current_binding_stack_pointer
,
reg_BSP
)
load
(
_current_control_stack_pointer
,
reg_CSP
)
load
(
_current_control_frame_pointer
,
reg_OCFP
)
/
*
No
longer
atomic
,
and
check
for
interrupt
.
*/
tsubcctv
reg_ALLOC
,
4
,
reg_ALLOC
/
*
Pass
in
the
args
.
*/
sll
%
i2
,
2
,
reg_NARGS
mov
%
i1
,
reg_CFP
mov
%
i0
,
reg_LEXENV
ld
[
reg_CFP
+
0
],
reg_A0
ld
[
reg_CFP
+
4
],
reg_A1
ld
[
reg_CFP
+
8
],
reg_A2
ld
[
reg_CFP
+
12
],
reg_A3
ld
[
reg_CFP
+
16
],
reg_A4
ld
[
reg_CFP
+
20
],
reg_A5
/
*
Calculate
LRA
*/
set
lra
+
type_OtherPointer
,
reg_LRA
/
*
Indirect
closure
*/
ld
[
reg_LEXENV
+
CLOSURE_FUNCTION_OFFSET
],
reg_CODE
jmp
reg_CODE
+
FUNCTION_HEADER_CODE_OFFSET
nop
.
align
8
lra
:
.
word
type_ReturnPcHeader
/
*
Blow
off
any
extra
values
.
*/
mov
reg_OCFP
,
reg_CSP
nop
/
*
Return
the
one
value
.
*/
mov
reg_A0
,
%
i0
/
*
Turn
on
pseudo_atomic
*/
add
reg_ALLOC
,
4
,
reg_ALLOC
/
*
Store
LISP
state
*/
andn
reg_ALLOC
,
7
,
reg_NL1
store
(
reg_NL1
,
_current_dynamic_space_free_pointer
)
store
(
reg_BSP
,
_current_binding_stack_pointer
)
store
(
reg_CSP
,
_current_control_stack_pointer
)
store
(
reg_CFP
,
_current_control_frame_pointer
)
/
*
No
longer
in
Lisp
.
*/
store
(
reg_NL1
,
_foreign_function_call_active
)
/
*
Were
we
interrupted
?
*/
tsubcctv
reg_ALLOC
,
4
,
reg_ALLOC
/
*
Back
to
C
we
go
.
*/
ld
[%
sp
+
FRAMESIZE
-
4
],
%
i7
ret
restore
%
sp
,
FRAMESIZE
,
%
sp
.
global
_call_into_c
_call_into_c
:
/
*
Build
a
lisp
stack
frame
*/
mov
reg_CFP
,
reg_OCFP
mov
reg_CSP
,
reg_CFP
add
reg_CSP
,
32
,
reg_CSP
st
reg_OCFP
,
[
reg_CFP
]
st
reg_CODE
,
[
reg_CFP
+
8
]
/
*
Turn
on
pseudo
-
atomic
.
*/
add
reg_ALLOC
,
4
,
reg_ALLOC
/
*
Convert
the
return
address
to
an
offset
and
save
it
on
the
stack
.
*/
sub
reg_LIP
,
reg_CODE
,
reg_L0
add
reg_L0
,
type_OtherPointer
,
reg_L0
st
reg_L0
,
[
reg_CFP
+
4
]
/
*
Store
LISP
state
*/
andn
reg_ALLOC
,
7
,
reg_L1
store
(
reg_L1
,
_current_dynamic_space_free_pointer
)
store
(
reg_BSP
,
_current_binding_stack_pointer
)
store
(
reg_CSP
,
_current_control_stack_pointer
)
store
(
reg_CFP
,
_current_control_frame_pointer
)
/
*
No
longer
in
Lisp
.
*/
store
(
reg_CSP
,
_foreign_function_call_active
)
/
*
Were
we
interrupted
?
*/
tsubcctv
reg_ALLOC
,
4
,
reg_ALLOC
/
*
Into
C
we
go
.
*/
call
reg_CFUNC
nop
/
*
Re
-
establish
NIL
*/
set
NIL
,
reg_NIL
/
*
Atomic
.
*/
set
4
,
reg_ALLOC
/
*
No
longer
in
foreign
function
call
.
*/
sethi
%
hi
(
_foreign_function_call_active
),
reg_NL1
st
reg_ZERO
,
[
reg_NL1
+%
lo
(
_foreign_function_call_active
)]
/
*
Load
the
rest
of
lisp
state
.
*/
load
(
_current_dynamic_space_free_pointer
,
reg_NL1
)
add
reg_NL1
,
reg_ALLOC
,
reg_ALLOC
load
(
_current_binding_stack_pointer
,
reg_BSP
)
load
(
_current_control_stack_pointer
,
reg_CSP
)
load
(
_current_control_frame_pointer
,
reg_CFP
)
/
*
Get
the
return
address
back
.
*/
ld
[
reg_CFP
+
4
],
reg_LIP
ld
[
reg_CFP
+
8
],
reg_CODE
add
reg_LIP
,
reg_CODE
,
reg_LIP
sub
reg_LIP
,
type_OtherPointer
,
reg_LIP
/
*
No
longer
atomic
.
*/
tsubcctv
reg_ALLOC
,
4
,
reg_ALLOC
/
*
Reset
the
lisp
stack
.
*/
/
*
Note
:
OCFP
is
in
one
of
the
locals
,
it
gets
preserved
across
C
.
*/
mov
reg_CFP
,
reg_CSP
mov
reg_OCFP
,
reg_CFP
/
*
And
back
into
lisp
.
*/
ret
nop
.
global
_undefined_tramp
.
align
8
.
byte
0
_undefined_tramp
:
.
byte
0
,
0
,
type_FunctionHeader
.
word
_undefined_tramp
.
word
NIL
.
word
NIL
.
word
NIL
.
word
NIL
b
1
f
unimp
trap_Cerror
.
byte
4
,
23
,
254
,
12
,
3
.
align
4
1
:
ld
[
reg_FDEFN
+
FDEFN_RAW_ADDR_OFFSET
],
reg_CODE
jmp
reg_CODE
+
FUNCTION_HEADER_CODE_OFFSET
nop
.
global
_closure_tramp
.
align
8
.
byte
0
_closure_tramp
:
.
byte
0
,
0
,
type_FunctionHeader
.
word
_closure_tramp
.
word
NIL
.
word
NIL
.
word
NIL
.
word
NIL
ld
[
reg_FDEFN
+
FDEFN_FUNCTION_OFFSET
],
reg_LEXENV
ld
[
reg_LEXENV
+
CLOSURE_FUNCTION_OFFSET
],
reg_CODE
jmp
reg_CODE
+
FUNCTION_HEADER_CODE_OFFSET
nop
/*
*
Function
-
end
breakpoint
magic
.
*/
.
text
.
align
8
.
global
_function_end_breakpoint_guts
_function_end_breakpoint_guts
:
.
word
type_ReturnPcHeader
b
1
f
nop
mov
reg_CSP
,
reg_OCFP
add
4
,
reg_CSP
,
reg_CSP
mov
4
,
reg_NARGS
mov
reg_NIL
,
reg_A1
mov
reg_NIL
,
reg_A2
mov
reg_NIL
,
reg_A3
mov
reg_NIL
,
reg_A4
mov
reg_NIL
,
reg_A5
1
:
.
global
_function_end_breakpoint_trap
_function_end_breakpoint_trap
:
unimp
trap_FunctionEndBreakpoint
b
1
b
nop
.
global
_function_end_breakpoint_end
_function_end_breakpoint_end
:
/****************************************************************\
*
State
saving
and
restoring
.
\****************************************************************/
.
global
_call_on_stack
_call_on_stack
:
call
%
o0
sub
%
o1
,
SA
(
MINFRAME
),
%
sp
unimp
0
.
global
_save_state
_save_state
:
save
%
sp
,
-(
SA
(
8
*
4
)+
SA
(
MINFRAME
)),
%
sp
ta
ST_FLUSH_WINDOWS
std
%
g0
,
[%
sp
+
SA
(
MINFRAME
)]
std
%
g2
,
[%
sp
+
SA
(
MINFRAME
)+
8
]
std
%
g4
,
[%
sp
+
SA
(
MINFRAME
)+
16
]
std
%
g6
,
[%
sp
+
SA
(
MINFRAME
)+
24
]
!
###
Should
also
save
the
FP
state
.
call
%
i0
mov
%
sp
,
%
o0
mov
%
o0
,
%
i0
restore_state
:
ld
[%
sp
+
SA
(
MINFRAME
)+
4
],
%
g1
ldd
[%
sp
+
SA
(
MINFRAME
)+
8
],
%
g2
ldd
[%
sp
+
SA
(
MINFRAME
)+
16
],
%
g4
ldd
[%
sp
+
SA
(
MINFRAME
)+
24
],
%
g6
ret
restore
.
global
_restore_state
_restore_state
:
mov
%
i0
,
%
sp
add
%
sp
,
(
SA
(
8
*
4
)+
SA
(
MINFRAME
)),
%
fp
ta
ST_CLEAN_WINDOWS
b
restore_state
mov
%
i1
,
%
i0
/****************************************************************\
We
need
our
own
version
of
sigtramp
.
\****************************************************************/
.
global
__sigtramp
,
__sigfunc
__sigtramp
:
!
!
On
entry
sp
points
to
:
!
0
-
63
:
window
save
area
!
64
:
signal
number
!
68
:
signal
code
!
72
:
pointer
to
sigcontext
!
76
:
addr
parameter
!
!
A
sigcontext
looks
like
:
#define SC_ONSTACK 0
#define SC_MASK 4
#define SC_SP 8
#define SC_PC 12
#define SC_NPC 16
#define SC_PSR 20
#define SC_G1 24
#define SC_O0 28
!
!
We
change
sc_g1
to
point
to
a
reg
save
area
:
#define IREGS_SAVE 0
#define FPREGS_SAVE (32*4)
#define Y_SAVE (64*4)
#define FSR_SAVE (65*4)
#define REGSAVESIZE (66*4)
!
!
After
we
allocate
space
for
the
reg
save
area
,
the
stack
looks
like
:
!
<
window
save
area
,
etc
>
#define REGSAVEOFF SA(MINFRAME)
#define IREGSOFF REGSAVEOFF+IREGS_SAVE
#define FPREGSOFF REGSAVEOFF+FPREGS_SAVE
#define YOFF REGSAVEOFF+Y_SAVE
#define FSROFF REGSAVEOFF+FSR_SAVE
#define ORIGSIGNUMOFF REGSAVEOFF+REGSAVESIZE
#define ORIGCODEOFF ORIGSIGNUMOFF+4
#define ORIGSCPOFF ORIGSIGNUMOFF+8
#define ORIGADDROFF ORIGSIGNUMOFF+12
!
Allocate
space
for
the
reg
save
area
.
sub
%
sp
,
REGSAVESIZE
+
SA
(
MINFRAME
)-
64
,
%
sp
!
Save
integer
registers
.
!
Note
:
the
globals
and
outs
are
good
,
but
the
locals
and
ins
have
!
been
trashed
.
But
luckly
,
they
have
been
saved
on
the
stack
.
!
So
we
need
to
extract
the
saved
stack
pointer
from
the
sigcontext
!
to
determine
where
they
are
.
std
%
g0
,
[%
sp
+
IREGSOFF
]
std
%
g2
,
[%
sp
+
IREGSOFF
+
8
]
std
%
g4
,
[%
sp
+
IREGSOFF
+
16
]
std
%
g6
,
[%
sp
+
IREGSOFF
+
24
]
std
%
o0
,
[%
sp
+
IREGSOFF
+
32
]
ld
[%
sp
+
ORIGSCPOFF
],
%
o0
std
%
o2
,
[%
sp
+
IREGSOFF
+
40
]
ld
[%
o0
+
SC_SP
],
%
o0
std
%
o4
,
[%
sp
+
IREGSOFF
+
48
]
st
%
o0
,
[%
sp
+
IREGSOFF
+
56
]
st
%
o7
,
[%
sp
+
IREGSOFF
+
60
]
ldd
[%
o0
],
%
l0
ldd
[%
o0
+
8
],
%
l2
ldd
[%
o0
+
16
],
%
l4
ldd
[%
o0
+
24
],
%
l6
ldd
[%
o0
+
32
],
%
i0
ldd
[%
o0
+
40
],
%
i2
ldd
[%
o0
+
48
],
%
i4
ldd
[%
o0
+
56
],
%
i6
std
%
l0
,
[%
sp
+
IREGSOFF
+
64
]
std
%
l2
,
[%
sp
+
IREGSOFF
+
72
]
std
%
l4
,
[%
sp
+
IREGSOFF
+
80
]
std
%
l6
,
[%
sp
+
IREGSOFF
+
88
]
std
%
i0
,
[%
sp
+
IREGSOFF
+
96
]
std
%
i2
,
[%
sp
+
IREGSOFF
+
104
]
std
%
i4
,
[%
sp
+
IREGSOFF
+
112
]
std
%
i6
,
[%
sp
+
IREGSOFF
+
120
]
!
Check
to
see
if
we
need
to
save
the
fp
regs
.
set
PSR_EF
,
%
l0
mov
%
y
,
%
l2
!
save
y
btst
%
l0
,
%
l5
!
is
FPU
enabled
?
bz
1
f
!
if
not
skip
FPU
save
st
%
l2
,
[%
sp
+
YOFF
]
!
save
all
fpu
registers
.
std
%f0
,
[%
sp
+
FPREGSOFF
+(
0
*
4
)]
std
%f2
,
[%
sp
+
FPREGSOFF
+(
2
*
4
)]
std
%f4
,
[%
sp
+
FPREGSOFF
+(
4
*
4
)]
std
%f6
,
[%
sp
+
FPREGSOFF
+(
6
*
4
)]
std
%f8
,
[%
sp
+
FPREGSOFF
+(
8
*
4
)]
std
%f10
,
[%
sp
+
FPREGSOFF
+(
10
*
4
)]
std
%f12
,
[%
sp
+
FPREGSOFF
+(
12
*
4
)]
std
%f14
,
[%
sp
+
FPREGSOFF
+(
14
*
4
)]
std
%f16
,
[%
sp
+
FPREGSOFF
+(
16
*
4
)]
std
%f18
,
[%
sp
+
FPREGSOFF
+(
18
*
4
)]
std
%f20
,
[%
sp
+
FPREGSOFF
+(
20
*
4
)]
std
%f22
,
[%
sp
+
FPREGSOFF
+(
22
*
4
)]
std
%f24
,
[%
sp
+
FPREGSOFF
+(
24
*
4
)]
std
%f26
,
[%
sp
+
FPREGSOFF
+(
26
*
4
)]
std
%f28
,
[%
sp
+
FPREGSOFF
+(
28
*
4
)]
std
%f30
,
[%
sp
+
FPREGSOFF
+(
30
*
4
)]
st
%
fsr
,
[%
sp
+
FSROFF
]
!
save
old
fsr
1
:
ld
[%
sp
+
ORIGSIGNUMOFF
],
%
o0
!
get
signal
number
set
__sigfunc
,
%
g1
!
get
array
of
function
ptrs
sll
%
o0
,
2
,
%
g2
!
scale
signal
number
for
index
ld
[%
g1
+%
g2
],
%
g1
!
get
func
ld
[%
sp
+
ORIGCODEOFF
],
%
o1
!
get
code
ld
[%
sp
+
ORIGSCPOFF
],
%
o2
!
get
scp
add
%
sp
,
REGSAVEOFF
,
%
o3
!
compute
pointer
to
reg
save
area
st
%
o3
,
[%
o2
+
SC_G1
]
!
save
in
sc_g1
.
call
%
g1
!
(*
_sigfunc
[
sig
])(
sig
,
code
,
scp
,
addr
)
ld
[%
sp
+
ORIGADDROFF
],
%
o3
!
get
addr
!
Recompute
scp
,
and
drop
into
_sigreturn
ld
[%
sp
+
ORIGSCPOFF
],
%
o0
!
get
scp
.
global
_sigreturn
_sigreturn
:
!
Load
g1
with
addr
of
reg
save
area
(
from
sc_g1
)
ld
[%
o0
+
SC_G1
],
%
g1
!
Move
values
we
cannot
restore
directory
into
real
sigcontext
.
ld
[%
g1
+
IREGS_SAVE
+(
4
*
1
)],
%
l0
!
g1
ld
[%
g1
+
IREGS_SAVE
+(
4
*
8
)],
%
l1
!
o0
ld
[%
g1
+
IREGS_SAVE
+(
4
*
14
)],
%
l2
!
sp
st
%
l0
,
[%
o0
+
SC_G1
]
st
%
l1
,
[%
o0
+
SC_O0
]
st
%
l2
,
[%
o0
+
SC_SP
]
ld
[%
o0
+
SC_PSR
],
%
l2
!
get
psr
set
PSR_EF
,
%
l0
ld
[%
g1
+
Y_SAVE
],
%
l1
!
restore
y
btst
%
l0
,
%
l2
!
is
FPU
enabled
?
bz
2
f
!
if
not
skip
FPU
restore
mov
%
l1
,
%
y
ldd
[%
g1
+
FPREGS_SAVE
+(
0
*
4
)],
%f0
!
restore
all
fpu
registers
.
ldd
[%
g1
+
FPREGS_SAVE
+(
2
*
4
)],
%f2
ldd
[%
g1
+
FPREGS_SAVE
+(
4
*
4
)],
%f4
ldd
[%
g1
+
FPREGS_SAVE
+(
6
*
4
)],
%f6
ldd
[%
g1
+
FPREGS_SAVE
+(
8
*
4
)],
%f8
ldd
[%
g1
+
FPREGS_SAVE
+(
10
*
4
)],
%f10
ldd
[%
g1
+
FPREGS_SAVE
+(
12
*
4
)],
%f12
ldd
[%
g1
+
FPREGS_SAVE
+(
14
*
4
)],
%f14
ldd
[%
g1
+
FPREGS_SAVE
+(
16
*
4
)],
%f16
ldd
[%
g1
+
FPREGS_SAVE
+(
18
*
4
)],
%f18
ldd
[%
g1
+
FPREGS_SAVE
+(
20
*
4
)],
%f20
ldd
[%
g1
+
FPREGS_SAVE
+(
22
*
4
)],
%f22
ldd
[%
g1
+
FPREGS_SAVE
+(
24
*
4
)],
%f24
ldd
[%
g1
+
FPREGS_SAVE
+(
26
*
4
)],
%f26
ldd
[%
g1
+
FPREGS_SAVE
+(
28
*
4
)],
%f28
ldd
[%
g1
+
FPREGS_SAVE
+(
30
*
4
)],
%f30
ld
[%
g1
+
FSR_SAVE
],
%
fsr
!
restore
old
fsr
2
:
!
The
locals
and
in
are
restored
from
the
stack
,
so
we
have
to
put
!
them
there
.
ld
[%
o0
+
SC_SP
],
%
o1
ldd
[%
g1
+
IREGS_SAVE
+(
16
*
4
)],
%
l0
ldd
[%
g1
+
IREGS_SAVE
+(
18
*
4
)],
%
l2
ldd
[%
g1
+
IREGS_SAVE
+(
20
*
4
)],
%
l4
ldd
[%
g1
+
IREGS_SAVE
+(
22
*
4
)],
%
l6
ldd
[%
g1
+
IREGS_SAVE
+(
24
*
4
)],
%
i0
ldd
[%
g1
+
IREGS_SAVE
+(
26
*
4
)],
%
i2
ldd
[%
g1
+
IREGS_SAVE
+(
28
*
4
)],
%
i4
ldd
[%
g1
+
IREGS_SAVE
+(
30
*
4
)],
%
i6
std
%
l0
,
[%
o1
+(
0
*
4
)]
std
%
l2
,
[%
o1
+(
2
*
4
)]
std
%
l4
,
[%
o1
+(
4
*
4
)]
std
%
l6
,
[%
o1
+(
6
*
4
)]
std
%
i0
,
[%
o1
+(
8
*
4
)]
std
%
i2
,
[%
o1
+(
10
*
4
)]
std
%
i4
,
[%
o1
+(
12
*
4
)]
std
%
i6
,
[%
o1
+(
14
*
4
)]
!
Restore
the
globals
and
outs
.
Do
not
restore
%
g1
,
%
o0
,
or
%
sp
!
because
they
get
restored
from
the
sigcontext
.
ldd
[%
g1
+
IREGS_SAVE
+(
2
*
4
)],
%
g2
ldd
[%
g1
+
IREGS_SAVE
+(
4
*
4
)],
%
g4
ldd
[%
g1
+
IREGS_SAVE
+(
6
*
4
)],
%
g6
ld
[%
g1
+
IREGS_SAVE
+(
9
*
4
)],
%
o1
ldd
[%
g1
+
IREGS_SAVE
+(
10
*
4
)],
%
o2
ldd
[%
g1
+
IREGS_SAVE
+(
12
*
4
)],
%
o4
ld
[%
g1
+
IREGS_SAVE
+(
15
*
4
)],
%
o7
set
139
,
%
g1
!
sigcleanup
system
call
t
0
unimp
0
!
just
in
case
it
returns
/*
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*/
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