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Kirill Smelkov
linux
Commits
d67f2d09
Commit
d67f2d09
authored
Dec 29, 2002
by
Jeff Dike
Browse files
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Plain Diff
Pulled in a number of other fixes which were needed to bring the
build up to date.
parent
4781ebda
Changes
17
Hide whitespace changes
Inline
Side-by-side
Showing
17 changed files
with
315 additions
and
62 deletions
+315
-62
arch/um/Kconfig
arch/um/Kconfig
+18
-13
arch/um/Makefile-skas
arch/um/Makefile-skas
+1
-1
arch/um/drivers/line.c
arch/um/drivers/line.c
+10
-2
arch/um/dyn.lds.S
arch/um/dyn.lds.S
+241
-0
arch/um/include/sysdep-i386/ptrace.h
arch/um/include/sysdep-i386/ptrace.h
+7
-0
arch/um/include/user_util.h
arch/um/include/user_util.h
+0
-1
arch/um/kernel/Makefile
arch/um/kernel/Makefile
+0
-11
arch/um/kernel/ptrace.c
arch/um/kernel/ptrace.c
+2
-0
arch/um/kernel/skas/include/mode_kern.h
arch/um/kernel/skas/include/mode_kern.h
+2
-0
arch/um/kernel/skas/tlb.c
arch/um/kernel/skas/tlb.c
+4
-4
arch/um/kernel/tlb.c
arch/um/kernel/tlb.c
+6
-0
arch/um/kernel/tt/Makefile
arch/um/kernel/tt/Makefile
+15
-2
arch/um/kernel/tt/include/mode_kern.h
arch/um/kernel/tt/include/mode_kern.h
+1
-0
arch/um/kernel/tt/tlb.c
arch/um/kernel/tt/tlb.c
+1
-1
arch/um/kernel/user_util.c
arch/um/kernel/user_util.c
+0
-25
arch/um/sys-i386/util/mk_thread_kern.c
arch/um/sys-i386/util/mk_thread_kern.c
+3
-0
arch/um/uml.lds.S
arch/um/uml.lds.S
+4
-2
No files found.
arch/um/Kconfig
View file @
d67f2d09
...
...
@@ -30,8 +30,18 @@ config RWSEM_GENERIC_SPINLOCK
bool
default y
menu "Code maturity level options"
config EXPERIMENTAL
bool "Prompt for development and/or incomplete code/drivers"
endmenu
menu "General Setup"
config MODE_TT
bool
bool
"Tracing thread support"
default y
help
This option controls whether tracing thread support is compiled
...
...
@@ -40,7 +50,7 @@ config MODE_TT
then it is OK to say N here.
config STATIC_LINK
bool
bool
"Force a static link"
default n
depends on !MODE_TT
help
...
...
@@ -52,24 +62,15 @@ config STATIC_LINK
here.
config MODE_SKAS
bool
bool
"Separate Kernel Address Space support"
default y
help
This option controls whether skas (separate kernel address space)
support is compiled in. If you have applied the skas patch to the
host, then you certainly want to say Y here (and consider saying N
to CONFIG_MODE_TT). Otherwise, it is safe to say Y. Disabling this
option will shrink the UML binary slightly.
menu "Code maturity level options"
config EXPERIMENTAL
bool "Prompt for development and/or incomplete code/drivers"
endmenu
menu "General Setup"
config NET
bool "Networking support"
...
...
@@ -254,6 +255,10 @@ config DEBUGSYM
If you're truly short on disk space or don't expect to report any
bugs back to the UML developers, say N, otherwise say Y.
config FRAME_POINTER
bool
default y if DEBUGSYM
config PT_PROXY
bool "Enable ptrace proxy"
depends on XTERM_CHAN && DEBUGSYM
...
...
arch/um/Makefile-skas
View file @
d67f2d09
...
...
@@ -12,7 +12,7 @@ LINK-$(CONFIG_GPROF) += $(PROFILE)
MODE_INCLUDE += -I$(TOPDIR)/$(ARCH_DIR)/kernel/skas/include
LINK_SKAS = -Wl,-rpath,/lib
LD_SCRIPT_SKAS = dyn
_link.ld
LD_SCRIPT_SKAS = dyn
.lds.s
GEN_HEADERS += $(ARCH_DIR)/kernel/skas/include/skas_ptregs.h
...
...
arch/um/drivers/line.c
View file @
d67f2d09
...
...
@@ -452,11 +452,19 @@ void line_register_devfs(struct lines *set, struct line_driver *line_driver,
void
lines_init
(
struct
line
*
lines
,
int
nlines
)
{
struct
line
*
line
;
int
i
;
for
(
i
=
0
;
i
<
nlines
;
i
++
){
INIT_LIST_HEAD
(
&
lines
[
i
].
chan_list
);
sema_init
(
&
lines
[
i
].
sem
,
1
);
line
=
&
lines
[
i
];
INIT_LIST_HEAD
(
&
line
->
chan_list
);
sema_init
(
&
line
->
sem
,
1
);
if
(
line
->
init_str
!=
NULL
){
line
->
init_str
=
uml_strdup
(
line
->
init_str
);
if
(
line
->
init_str
==
NULL
)
printk
(
"lines_init - uml_strdup returned "
"NULL
\n
"
);
}
}
}
...
...
arch/um/dyn.lds.S
0 → 100644
View file @
d67f2d09
OUTPUT_FORMAT
(
ELF_FORMAT
)
OUTPUT_ARCH
(
ELF_ARCH
)
ENTRY
(
_start
)
jiffies
=
jiffies_64
;
SEARCH_DIR
("/
usr
/
local
/
i686
-
pc
-
linux
-
gnu
/
lib
")
; SEARCH_DIR("/usr/local/lib"); SEARCH_DIR("/lib"); SEARCH_DIR("/usr/lib");
/*
Do
we
need
any
of
these
for
elf
?
__DYNAMIC
=
0
; */
SECTIONS
{
.
=
START
+
SIZEOF_HEADERS
;
.
interp
:
{
*(
.
interp
)
}
.
=
ALIGN
(
4096
)
;
__binary_start
=
.
;
.
=
ALIGN
(
4096
)
; /* Init code and data */
_stext
=
.
;
__init_begin
=
.
;
.
text.init
:
{
*(
.
text
.
init
)
}
.
=
ALIGN
(
4096
)
;
/
*
Read
-
only
sections
,
merged
into
text
segment
:
*/
.
hash
:
{
*(
.
hash
)
}
.
dynsym
:
{
*(
.
dynsym
)
}
.
dynstr
:
{
*(
.
dynstr
)
}
.
gnu.version
:
{
*(
.
gnu
.
version
)
}
.
gnu.
version_d
:
{
*(
.
gnu
.
version_d
)
}
.
gnu.
version_r
:
{
*(
.
gnu
.
version_r
)
}
.
rel.init
:
{
*(
.
rel
.
init
)
}
.
rela.init
:
{
*(
.
rela
.
init
)
}
.
rel.text
:
{
*(
.
rel
.
text
.
rel
.
text
.
*
.
rel
.
gnu
.
linkonce
.
t
.
*)
}
.
rela.text
:
{
*(
.
rela
.
text
.
rela
.
text
.
*
.
rela
.
gnu
.
linkonce
.
t
.
*)
}
.
rel.fini
:
{
*(
.
rel
.
fini
)
}
.
rela.fini
:
{
*(
.
rela
.
fini
)
}
.
rel.rodata
:
{
*(
.
rel
.
rodata
.
rel
.
rodata
.
*
.
rel
.
gnu
.
linkonce
.
r
.
*)
}
.
rela.rodata
:
{
*(
.
rela
.
rodata
.
rela
.
rodata
.
*
.
rela
.
gnu
.
linkonce
.
r
.
*)
}
.
rel.data
:
{
*(
.
rel
.
data
.
rel
.
data
.
*
.
rel
.
gnu
.
linkonce
.
d
.
*)
}
.
rela.data
:
{
*(
.
rela
.
data
.
rela
.
data
.
*
.
rela
.
gnu
.
linkonce
.
d
.
*)
}
.
rel.tdata
:
{
*(
.
rel
.
tdata
.
rel
.
tdata
.
*
.
rel
.
gnu
.
linkonce
.
td
.
*)
}
.
rela.tdata
:
{
*(
.
rela
.
tdata
.
rela
.
tdata
.
*
.
rela
.
gnu
.
linkonce
.
td
.
*)
}
.
rel.tbss
:
{
*(
.
rel
.
tbss
.
rel
.
tbss
.
*
.
rel
.
gnu
.
linkonce
.
tb
.
*)
}
.
rela.tbss
:
{
*(
.
rela
.
tbss
.
rela
.
tbss
.
*
.
rela
.
gnu
.
linkonce
.
tb
.
*)
}
.
rel.ctors
:
{
*(
.
rel
.
ctors
)
}
.
rela.ctors
:
{
*(
.
rela
.
ctors
)
}
.
rel.dtors
:
{
*(
.
rel
.
dtors
)
}
.
rela.dtors
:
{
*(
.
rela
.
dtors
)
}
.
rel.got
:
{
*(
.
rel
.
got
)
}
.
rela.got
:
{
*(
.
rela
.
got
)
}
.
rel.bss
:
{
*(
.
rel
.
bss
.
rel
.
bss
.
*
.
rel
.
gnu
.
linkonce
.
b
.
*)
}
.
rela.bss
:
{
*(
.
rela
.
bss
.
rela
.
bss
.
*
.
rela
.
gnu
.
linkonce
.
b
.
*)
}
.
rel.plt
:
{
*(
.
rel
.
plt
)
}
.
rela.plt
:
{
*(
.
rela
.
plt
)
}
.
init
:
{
KEEP
(*(
.
init
))
}
=
0x90909090
.
plt
:
{
*(
.
plt
)
}
.
text
:
{
*(.
text
.
stub
.
text
.
*
.
gnu
.
linkonce
.
t
.
*)
/
*
.
gnu
.
warning
sections
are
handled
specially
by
elf32
.
em
.
*/
*(.
gnu.warning
)
}
=
0x90909090
.
fini
:
{
KEEP
(*(
.
fini
))
}
=
0x90909090
.
kstrtab
:
{
*(
.
kstrtab
)
}
.
=
ALIGN
(
16
)
; /* Exception table */
__start___ex_table
=
.
;
__ex_table
:
{
*(
__ex_table
)
}
__stop___ex_table
=
.
;
__start___ksymtab
=
.
; /* Kernel symbol table */
__ksymtab
:
{
*(
__ksymtab
)
}
__stop___ksymtab
=
.
;
PROVIDE
(
__etext
=
.
)
;
PROVIDE
(
_etext
=
.
)
;
PROVIDE
(
etext
=
.
)
;
.
rodata
:
{
*(
.
rodata
.
rodata
.
*
.
gnu
.
linkonce
.
r
.
*)
}
.
rodata1
:
{
*(
.
rodata1
)
}
.
eh_frame_hdr
:
{
*(
.
eh_frame_hdr
)
}
.
=
ALIGN
(
4096
)
;
PROVIDE
(
_sdata
=
.
)
;
.
unprotected
:
{
*(
.
unprotected
)
}
.
=
ALIGN
(
4096
)
;
PROVIDE
(
_unprotected_end
=
.
)
;
.
=
ALIGN
(
4096
)
;
__uml_setup_start
=
.
;
.
uml.setup.init
:
{
*(
.
uml
.
setup
.
init
)
}
__uml_setup_end
=
.
;
__uml_help_start
=
.
;
.
uml.help.init
:
{
*(
.
uml
.
help
.
init
)
}
__uml_help_end
=
.
;
__uml_postsetup_start
=
.
;
.
uml.postsetup.init
:
{
*(
.
uml
.
postsetup
.
init
)
}
__uml_postsetup_end
=
.
;
__setup_start
=
.
;
.
setup.init
:
{
*(
.
init
.
setup
)
}
__setup_end
=
.
;
__start___param
=
.
;
__param
:
{
*(
__param
)
}
__stop___param
=
.
;
__per_cpu_start
=
.
;
.
data.percpu
:
{
*(
.
data
.
percpu
)
}
__per_cpu_end
=
.
;
__initcall_start
=
.
;
.
initcall.init
:
{
*(.
initcall1.init
)
*(.
initcall2.init
)
*(.
initcall3.init
)
*(.
initcall4.init
)
*(.
initcall5.init
)
*(.
initcall6.init
)
*(.
initcall7.init
)
}
__initcall_end
=
.
;
__uml_initcall_start
=
.
;
.
uml.initcall.init
:
{
*(
.
uml
.
initcall
.
init
)
}
__uml_initcall_end
=
.
;
__init_end
=
.
;
__exitcall_begin
=
.
;
.
exitcall
:
{
*(
.
exitcall
.
exit
)
}
__exitcall_end
=
.
;
__uml_exitcall_begin
=
.
;
.
uml.exitcall
:
{
*(
.
uml
.
exitcall
.
exit
)
}
__uml_exitcall_end
=
.
;
.
=
ALIGN
(
4096
)
;
__initramfs_start
=
.
;
.
init.ramfs
:
{
*(
.
init
.
ramfs
)
}
__initramfs_end
=
.
;
.
data.init
:
{
*(
.
data
.
init
)
}
/
*
Ensure
the
__preinit_array_start
label
is
properly
aligned
.
We
could
instead
move
the
label
definition
inside
the
section
,
but
the
linker
would
then
create
the
section
even
if
it
turns
out
to
be
empty
,
which
isn
't pretty. */
.
=
ALIGN
(
32
/
8
)
;
.
preinit_array
:
{
*(
.
preinit_array
)
}
.
init_array
:
{
*(
.
init_array
)
}
.
fini_array
:
{
*(
.
fini_array
)
}
.
data
:
{
.
=
ALIGN
(
KERNEL_STACK_SIZE
)
; /* init_task */
*(.
data.
init_task
)
*(.
data
.
data
.
*
.
gnu
.
linkonce
.
d
.
*)
SORT
(
CONSTRUCTORS
)
}
.
data1
:
{
*(
.
data1
)
}
.
tdata
:
{
*(
.
tdata
.
tdata
.
*
.
gnu
.
linkonce
.
td
.
*)
}
.
tbss
:
{
*(
.
tbss
.
tbss
.
*
.
gnu
.
linkonce
.
tb
.
*)
*(
.
tcommon
)
}
.
eh_frame
:
{
KEEP
(*(
.
eh_frame
))
}
.
gcc_except_table
:
{
*(
.
gcc_except_table
)
}
.
dynamic
:
{
*(
.
dynamic
)
}
.
ctors
:
{
/
*
gcc
uses
crtbegin
.
o
to
find
the
start
of
the
constructors
,
so
we
make
sure
it
is
first
.
Because
this
is
a
wildcard
,
it
doesn
'
t
matter
if
the
user
does
not
actually
link
against
crtbegin
.
o
; the
linker
won
't look for a file to match a
wildcard
.
The
wildcard
also
means
that
it
doesn
'
t
matter
which
directory
crtbegin
.
o
is
in
.
*/
KEEP
(*
crtbegin
.
o
(
.
ctors
))
/
*
We
don
't want to include the .ctor section from
from
the
crtend
.
o
file
until
after
the
sorted
ctors
.
The
.
ctor
section
from
the
crtend
file
contains
the
end
of
ctors
marker
and
it
must
be
last
*/
KEEP
(*(
EXCLUDE_FILE
(*
crtend
.
o
)
.
ctors
))
KEEP
(*(
SORT
(
.
ctors
.
*)))
KEEP
(*(
.
ctors
))
}
.
dtors
:
{
KEEP
(*
crtbegin
.
o
(
.
dtors
))
KEEP
(*(
EXCLUDE_FILE
(*
crtend
.
o
)
.
dtors
))
KEEP
(*(
SORT
(
.
dtors
.
*)))
KEEP
(*(
.
dtors
))
}
.
jcr
:
{
KEEP
(*(
.
jcr
))
}
.
got
:
{
*(
.
got
.
plt
)
*(
.
got
)
}
_edata
=
.
;
PROVIDE
(
edata
=
.
)
;
__bss_start
=
.
;
.
bss
:
{
*(.
dynbss
)
*(.
bss
.
bss
.
*
.
gnu
.
linkonce
.
b
.
*)
*(
COMMON
)
/
*
Align
here
to
ensure
that
the
.
bss
section
occupies
space
up
to
_end
.
Align
after
.
bss
to
ensure
correct
alignment
even
if
the
.
bss
section
disappears
because
there
are
no
input
sections
.
*/
.
=
ALIGN
(
32
/
8
)
;
.
=
ALIGN
(
32
/
8
)
;
}
_end
=
.
;
PROVIDE
(
end
=
.
)
;
/
*
Stabs
debugging
sections
.
*/
.
stab
0
:
{
*(
.
stab
)
}
.
stabstr
0
:
{
*(
.
stabstr
)
}
.
stab.excl
0
:
{
*(
.
stab
.
excl
)
}
.
stab.exclstr
0
:
{
*(
.
stab
.
exclstr
)
}
.
stab.index
0
:
{
*(
.
stab
.
index
)
}
.
stab.indexstr
0
:
{
*(
.
stab
.
indexstr
)
}
.
comment
0
:
{
*(
.
comment
)
}
/
*
DWARF
debug
sections
.
Symbols
in
the
DWARF
debugging
sections
are
relative
to
the
beginning
of
the
section
so
we
begin
them
at
0
.
*/
/
*
DWARF
1
*/
.
debug
0
:
{
*(
.
debug
)
}
.
line
0
:
{
*(
.
line
)
}
/
*
GNU
DWARF
1
extensions
*/
.
debug_srcinfo
0
:
{
*(
.
debug_srcinfo
)
}
.
debug_sfnames
0
:
{
*(
.
debug_sfnames
)
}
/
*
DWARF
1
.1
and
DWARF
2
*/
.
debug_aranges
0
:
{
*(
.
debug_aranges
)
}
.
debug_pubnames
0
:
{
*(
.
debug_pubnames
)
}
/
*
DWARF
2
*/
.
debug_info
0
:
{
*(
.
debug_info
.
gnu
.
linkonce
.
wi
.
*)
}
.
debug_abbrev
0
:
{
*(
.
debug_abbrev
)
}
.
debug_line
0
:
{
*(
.
debug_line
)
}
.
debug_frame
0
:
{
*(
.
debug_frame
)
}
.
debug_str
0
:
{
*(
.
debug_str
)
}
.
debug_loc
0
:
{
*(
.
debug_loc
)
}
.
debug_macinfo
0
:
{
*(
.
debug_macinfo
)
}
/
*
SGI
/
MIPS
DWARF
2
extensions
*/
.
debug_weaknames
0
:
{
*(
.
debug_weaknames
)
}
.
debug_funcnames
0
:
{
*(
.
debug_funcnames
)
}
.
debug_typenames
0
:
{
*(
.
debug_typenames
)
}
.
debug_varnames
0
:
{
*(
.
debug_varnames
)
}
}
arch/um/include/sysdep-i386/ptrace.h
View file @
d67f2d09
...
...
@@ -7,8 +7,15 @@
#define __SYSDEP_I386_PTRACE_H
#include "uml-config.h"
#ifdef CONFIG_MODE_TT
#include "ptrace-tt.h"
#endif
#ifdef CONFIG_MODE_SKAS
#include "ptrace-skas.h"
#endif
#include "choose-mode.h"
struct
uml_pt_regs
{
...
...
arch/um/include/user_util.h
View file @
d67f2d09
...
...
@@ -61,7 +61,6 @@ extern int start_fork_tramp(void *arg, unsigned long temp_stack,
int
clone_flags
,
int
(
*
tramp
)(
void
*
));
extern
int
clone_and_wait
(
int
(
*
fn
)(
void
*
),
void
*
arg
,
void
*
sp
,
int
flags
);
extern
int
linux_main
(
int
argc
,
char
**
argv
);
extern
void
remap_data
(
void
*
segment_start
,
void
*
segment_end
,
int
w
);
extern
void
set_cmdline
(
char
*
cmd
);
extern
void
input_cb
(
void
(
*
proc
)(
void
*
),
void
*
arg
,
int
arg_len
);
extern
int
get_pty
(
void
);
...
...
arch/um/kernel/Makefile
View file @
d67f2d09
...
...
@@ -3,8 +3,6 @@
# Licensed under the GPL
#
EXTRA_TARGETS
:=
unmap_fin.o
obj-y
=
checksum.o config.o exec_kern.o exitcode.o frame_kern.o frame.o
\
helper.o init_task.o irq.o irq_user.o ksyms.o mem.o mem_user.o
\
process.o process_kern.o ptrace.o reboot.o resource.o sigio_user.o
\
...
...
@@ -30,9 +28,6 @@ USER_OBJS := $(filter %_user.o,$(obj-y)) $(user-objs-y) config.o helper.o \
process.o tempfile.o time.o tty_log.o umid.o user_util.o user_syms.o
USER_OBJS
:=
$(
foreach
file,
$(USER_OBJS)
,
$(obj)
/
$(file)
)
UNMAP_CFLAGS
:=
$(
patsubst
-pg
-DPROFILING
,,
$(USER_CFLAGS)
)
UNMAP_CFLAGS
:=
$(
patsubst
-fprofile-arcs
-ftest-coverage
,,
$(UNMAP_CFLAGS)
)
DMODULES-$(CONFIG_MODULES)
=
-D__CONFIG_MODULES__
DMODVERSIONS-$(CONFIG_MODVERSIONS)
=
-D__CONFIG_MODVERSIONS__
...
...
@@ -49,12 +44,6 @@ CFLAGS_frame.o := $(patsubst -fomit-frame-pointer,,$(USER_CFLAGS))
$(USER_OBJS)
:
%.o: %.c
$(CC)
$
(
CFLAGS_
$@
)
$(USER_CFLAGS)
-c
-o
$@
$<
$(obj)/unmap.o
:
$(src)/unmap.c
$(CC)
$(UNMAP_CFLAGS)
-c
-o
$@
$<
$(obj)/unmap_fin.o
:
$(src)/unmap.o
ld
-r
-o
$@
$<
-lc
-L
/usr/lib
# This has to be separate because it needs be compiled with frame pointers
# regardless of how the rest of the kernel is built.
...
...
arch/um/kernel/ptrace.c
View file @
d67f2d09
...
...
@@ -9,7 +9,9 @@
#include "linux/smp_lock.h"
#include "linux/security.h"
#include "linux/ptrace.h"
#ifdef CONFIG_PROC_MM
#include "linux/proc_mm.h"
#endif
#include "asm/ptrace.h"
#include "asm/uaccess.h"
#include "kern_util.h"
...
...
arch/um/kernel/skas/include/mode_kern.h
View file @
d67f2d09
...
...
@@ -21,6 +21,8 @@ extern void release_thread_skas(struct task_struct *task);
extern
void
exit_thread_skas
(
void
);
extern
void
initial_thread_cb_skas
(
void
(
*
proc
)(
void
*
),
void
*
arg
);
extern
void
init_idle_skas
(
void
);
extern
void
flush_tlb_kernel_range_skas
(
unsigned
long
start
,
unsigned
long
end
);
extern
void
flush_tlb_kernel_vm_skas
(
void
);
extern
void
__flush_tlb_one_skas
(
unsigned
long
addr
);
extern
void
flush_tlb_range_skas
(
struct
vm_area_struct
*
vma
,
...
...
arch/um/kernel/skas/tlb.c
View file @
d67f2d09
...
...
@@ -67,7 +67,7 @@ static void fix_range(struct mm_struct *mm, unsigned long start_addr,
}
}
static
void
flush_kernel_vm_range
(
unsigned
long
start
,
unsigned
long
end
)
void
flush_tlb_kernel_range_skas
(
unsigned
long
start
,
unsigned
long
end
)
{
struct
mm_struct
*
mm
;
pgd_t
*
pgd
;
...
...
@@ -116,19 +116,19 @@ static void flush_kernel_vm_range(unsigned long start, unsigned long end)
void
flush_tlb_kernel_vm_skas
(
void
)
{
flush_
kernel_vm_range
(
start_vm
,
end_vm
);
flush_
tlb_kernel_range_skas
(
start_vm
,
end_vm
);
}
void
__flush_tlb_one_skas
(
unsigned
long
addr
)
{
flush_
kernel_vm_range
(
addr
,
addr
+
PAGE_SIZE
);
flush_
tlb_kernel_range_skas
(
addr
,
addr
+
PAGE_SIZE
);
}
void
flush_tlb_range_skas
(
struct
vm_area_struct
*
vma
,
unsigned
long
start
,
unsigned
long
end
)
{
if
(
vma
->
vm_mm
==
NULL
)
flush_
kernel_vm_range
(
start
,
end
);
flush_
tlb_kernel_range_skas
(
start
,
end
);
else
fix_range
(
vma
->
vm_mm
,
start
,
end
,
0
);
}
...
...
arch/um/kernel/tlb.c
View file @
d67f2d09
...
...
@@ -21,6 +21,12 @@ void flush_tlb_all(void)
flush_tlb_mm
(
current
->
mm
);
}
void
flush_tlb_kernel_range
(
unsigned
long
start
,
unsigned
long
end
)
{
CHOOSE_MODE_PROC
(
flush_tlb_kernel_range_tt
,
flush_tlb_kernel_range_skas
,
start
,
end
);
}
void
flush_tlb_kernel_vm
(
void
)
{
CHOOSE_MODE
(
flush_tlb_kernel_vm_tt
(),
flush_tlb_kernel_vm_skas
());
...
...
arch/um/kernel/tt/Makefile
View file @
d67f2d09
...
...
@@ -3,18 +3,31 @@
# Licensed under the GPL
#
obj-y
=
exec_kern.o exec_user.o gdb.o gdb_kern.o ksyms.o mem.o process_kern.o
\
EXTRA_TARGETS
:=
unmap_fin.o
obj-y
=
exec_kern.o exec_user.o gdb.o ksyms.o mem.o mem_user.o process_kern.o
\
syscall_kern.o syscall_user.o time.o tlb.o tracer.o trap_user.o
\
uaccess_user.o sys-
$(SUBARCH)
/
obj-$(CONFIG_PT_PROXY)
+=
ptproxy/
obj-$(CONFIG_PT_PROXY)
+=
gdb_kern.o
ptproxy/
export-objs
=
ksyms.o
USER_OBJS
:=
$(
filter
%_user.o,
$
(
obj-y
))
gdb.o time.o tracer.o
USER_OBJS
:=
$(
foreach
file,
$(USER_OBJS)
,
$(obj)
/
$(file)
)
UNMAP_CFLAGS
:=
$(
patsubst
-pg
-DPROFILING
,,
$(USER_CFLAGS)
)
UNMAP_CFLAGS
:=
$(
patsubst
-fprofile-arcs
-ftest-coverage
,,
$(UNMAP_CFLAGS)
)
$(USER_OBJS)
:
%.o: %.c
$(CC)
$
(
CFLAGS_
$(
notdir
$@
)
)
$(USER_CFLAGS)
-c
-o
$@
$<
$(O_TARGET)
:
$(obj)/unmap_fin.o
$(obj)/unmap.o
:
$(src)/unmap.c
$(CC)
$(UNMAP_CFLAGS)
-c
-o
$@
$<
$(obj)/unmap_fin.o
:
$(src)/unmap.o
ld
-r
-o
$@
$<
-lc
-L
/usr/lib
clean
:
arch/um/kernel/tt/include/mode_kern.h
View file @
d67f2d09
...
...
@@ -22,6 +22,7 @@ extern void release_thread_tt(struct task_struct *task);
extern
void
exit_thread_tt
(
void
);
extern
void
initial_thread_cb_tt
(
void
(
*
proc
)(
void
*
),
void
*
arg
);
extern
void
init_idle_tt
(
void
);
extern
void
flush_tlb_kernel_range_tt
(
unsigned
long
start
,
unsigned
long
end
);
extern
void
flush_tlb_kernel_vm_tt
(
void
);
extern
void
__flush_tlb_one_tt
(
unsigned
long
addr
);
extern
void
flush_tlb_range_tt
(
struct
vm_area_struct
*
vma
,
...
...
arch/um/kernel/tt/tlb.c
View file @
d67f2d09
...
...
@@ -132,7 +132,7 @@ static void flush_kernel_vm_range(unsigned long start, unsigned long end,
if
(
updated
&&
update_seq
)
atomic_inc
(
&
vmchange_seq
);
}
void
flush_tlb_kernel_range
(
unsigned
long
start
,
unsigned
long
end
)
void
flush_tlb_kernel_range
_tt
(
unsigned
long
start
,
unsigned
long
end
)
{
flush_kernel_vm_range
(
start
,
end
,
1
);
}
...
...
arch/um/kernel/user_util.c
View file @
d67f2d09
...
...
@@ -46,31 +46,6 @@ void add_arg(char *cmd_line, char *arg)
strcat
(
cmd_line
,
arg
);
}
void
remap_data
(
void
*
segment_start
,
void
*
segment_end
,
int
w
)
{
void
*
addr
;
unsigned
long
size
;
int
data
,
prot
;
if
(
w
)
prot
=
PROT_WRITE
;
else
prot
=
0
;
prot
|=
PROT_READ
|
PROT_EXEC
;
size
=
(
unsigned
long
)
segment_end
-
(
unsigned
long
)
segment_start
;
data
=
create_mem_file
(
size
);
if
((
addr
=
mmap
(
NULL
,
size
,
PROT_WRITE
|
PROT_READ
,
MAP_SHARED
,
data
,
0
))
<
0
){
perror
(
"mapping new data segment"
);
exit
(
1
);
}
memcpy
(
addr
,
segment_start
,
size
);
if
(
switcheroo
(
data
,
prot
,
addr
,
segment_start
,
size
)
<
0
){
printf
(
"switcheroo failed
\n
"
);
exit
(
1
);
}
}
void
stop
(
void
)
{
while
(
1
)
sleep
(
1000000
);
...
...
arch/um/sys-i386/util/mk_thread_kern.c
View file @
d67f2d09
#include "linux/config.h"
#include "linux/stddef.h"
#include "linux/sched.h"
...
...
@@ -12,7 +13,9 @@ int main(int argc, char **argv)
{
print_head
();
print_constant_ptr
(
"TASK_DEBUGREGS"
,
THREAD_OFFSET
(
arch
.
debugregs
));
#ifdef CONFIG_MODE_TT
print_constant
(
"TASK_EXTERN_PID"
,
"int"
,
THREAD_OFFSET
(
mode
.
tt
.
extern_pid
));
#endif
print_tail
();
return
(
0
);
}
...
...
arch/um/uml.lds.S
View file @
d67f2d09
...
...
@@ -9,15 +9,17 @@ SECTIONS
.
=
ALIGN
(
4096
)
;
__binary_start
=
.
;
#ifdef MODE_TT
.
thread_private
:
{
__start_thread_private
=
.
;
errno
=
.
;
.
+=
4
;
arch
/
um
/
kernel
/
unmap_fin
.
o
(
.
data
)
arch
/
um
/
kernel
/
tt
/
unmap_fin
.
o
(
.
data
)
__end_thread_private
=
.
;
}
.
=
ALIGN
(
4096
)
;
.
remap
:
{
arch
/
um
/
kernel
/
unmap_fin
.
o
(
.
text
)
}
.
remap
:
{
arch
/
um
/
kernel
/
tt
/
unmap_fin
.
o
(
.
text
)
}
#endif
.
=
ALIGN
(
4096
)
; /* Init code and data */
_stext
=
.
;
...
...
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