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Kirill Smelkov
linux
Commits
db53cc7e
Commit
db53cc7e
authored
Apr 07, 2003
by
Alan Cox
Committed by
Linus Torvalds
Apr 07, 2003
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[PATCH] make APM machine independant using mach headers
parent
91594f8a
Changes
1
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1 changed file
with
9 additions
and
52 deletions
+9
-52
arch/i386/kernel/apm.c
arch/i386/kernel/apm.c
+9
-52
No files found.
arch/i386/kernel/apm.c
View file @
db53cc7e
...
...
@@ -227,6 +227,8 @@
#include <asm/uaccess.h>
#include <asm/desc.h>
#include "io_ports.h"
extern
spinlock_t
i8253_lock
;
extern
unsigned
long
get_cmos_time
(
void
);
extern
void
machine_real_restart
(
unsigned
char
*
,
int
);
...
...
@@ -295,6 +297,8 @@ extern int (*console_blank_hook)(int);
*/
#define APM_ZERO_SEGS
#include "apm.h"
/*
* Define to make all _set_limit calls use 64k limits. The APM 1.1 BIOS is
* supposed to provide limit information that it recognizes. Many machines
...
...
@@ -556,24 +560,11 @@ static inline void apm_restore_cpus(unsigned long mask)
unsigned int saved_fs; unsigned int saved_gs;
# define APM_DO_SAVE_SEGS \
savesegment(fs, saved_fs); savesegment(gs, saved_gs)
# define APM_DO_ZERO_SEGS \
"pushl %%ds\n\t" \
"pushl %%es\n\t" \
"xorl %%edx, %%edx\n\t" \
"mov %%dx, %%ds\n\t" \
"mov %%dx, %%es\n\t" \
"mov %%dx, %%fs\n\t" \
"mov %%dx, %%gs\n\t"
# define APM_DO_POP_SEGS \
"popl %%es\n\t" \
"popl %%ds\n\t"
# define APM_DO_RESTORE_SEGS \
loadsegment(fs, saved_fs); loadsegment(gs, saved_gs)
#else
# define APM_DECL_SEGS
# define APM_DO_SAVE_SEGS
# define APM_DO_ZERO_SEGS
# define APM_DO_POP_SEGS
# define APM_DO_RESTORE_SEGS
#endif
...
...
@@ -615,22 +606,7 @@ static u8 apm_bios_call(u32 func, u32 ebx_in, u32 ecx_in,
local_save_flags
(
flags
);
APM_DO_CLI
;
APM_DO_SAVE_SEGS
;
/*
* N.B. We do NOT need a cld after the BIOS call
* because we always save and restore the flags.
*/
__asm__
__volatile__
(
APM_DO_ZERO_SEGS
"pushl %%edi
\n\t
"
"pushl %%ebp
\n\t
"
"lcall *%%cs:apm_bios_entry
\n\t
"
"setc %%al
\n\t
"
"popl %%ebp
\n\t
"
"popl %%edi
\n\t
"
APM_DO_POP_SEGS
:
"=a"
(
*
eax
),
"=b"
(
*
ebx
),
"=c"
(
*
ecx
),
"=d"
(
*
edx
),
"=S"
(
*
esi
)
:
"a"
(
func
),
"b"
(
ebx_in
),
"c"
(
ecx_in
)
:
"memory"
,
"cc"
);
apm_bios_call_asm
(
func
,
ebx_in
,
ecx_in
,
eax
,
ebx
,
ecx
,
edx
,
esi
);
APM_DO_RESTORE_SEGS
;
local_irq_restore
(
flags
);
cpu_gdt_table
[
cpu
][
0x40
/
8
]
=
save_desc_40
;
...
...
@@ -673,26 +649,7 @@ static u8 apm_bios_call_simple(u32 func, u32 ebx_in, u32 ecx_in, u32 *eax)
local_save_flags
(
flags
);
APM_DO_CLI
;
APM_DO_SAVE_SEGS
;
{
int
cx
,
dx
,
si
;
/*
* N.B. We do NOT need a cld after the BIOS call
* because we always save and restore the flags.
*/
__asm__
__volatile__
(
APM_DO_ZERO_SEGS
"pushl %%edi
\n\t
"
"pushl %%ebp
\n\t
"
"lcall *%%cs:apm_bios_entry
\n\t
"
"setc %%bl
\n\t
"
"popl %%ebp
\n\t
"
"popl %%edi
\n\t
"
APM_DO_POP_SEGS
:
"=a"
(
*
eax
),
"=b"
(
error
),
"=c"
(
cx
),
"=d"
(
dx
),
"=S"
(
si
)
:
"a"
(
func
),
"b"
(
ebx_in
),
"c"
(
ecx_in
)
:
"memory"
,
"cc"
);
}
error
=
apm_bios_call_simple_asm
(
func
,
ebx_in
,
ecx_in
,
eax
);
APM_DO_RESTORE_SEGS
;
local_irq_restore
(
flags
);
cpu_gdt_table
[
smp_processor_id
()][
0x40
/
8
]
=
save_desc_40
;
...
...
@@ -1212,11 +1169,11 @@ static inline void reinit_timer(void)
{
#ifdef INIT_TIMER_AFTER_SUSPEND
/* set the clock to 100 Hz */
outb_p
(
0x34
,
0x43
);
/* binary, mode 2, LSB/MSB, ch 0 */
outb_p
(
0x34
,
PIT_MODE
);
/* binary, mode 2, LSB/MSB, ch 0 */
udelay
(
10
);
outb_p
(
LATCH
&
0xff
,
0x4
0
);
/* LSB */
outb_p
(
LATCH
&
0xff
,
PIT_CH
0
);
/* LSB */
udelay
(
10
);
outb
(
LATCH
>>
8
,
0x4
0
);
/* MSB */
outb
(
LATCH
>>
8
,
PIT_CH
0
);
/* MSB */
udelay
(
10
);
#endif
}
...
...
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