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Kirill Smelkov
linux
Commits
cac4bcbc
Commit
cac4bcbc
authored
May 24, 2006
by
Ralf Baechle
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[MIPS] Print more information if we're struck by a machine check exception.
Signed-off-by:
Ralf Baechle
<
ralf@linux-mips.org
>
parent
722ace9d
Changes
1
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17 additions
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2 deletions
+17
-2
arch/mips/kernel/traps.c
arch/mips/kernel/traps.c
+17
-2
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arch/mips/kernel/traps.c
View file @
cac4bcbc
...
@@ -819,15 +819,30 @@ asmlinkage void do_watch(struct pt_regs *regs)
...
@@ -819,15 +819,30 @@ asmlinkage void do_watch(struct pt_regs *regs)
asmlinkage
void
do_mcheck
(
struct
pt_regs
*
regs
)
asmlinkage
void
do_mcheck
(
struct
pt_regs
*
regs
)
{
{
const
int
field
=
2
*
sizeof
(
unsigned
long
);
int
multi_match
=
regs
->
cp0_status
&
ST0_TS
;
show_regs
(
regs
);
show_regs
(
regs
);
dump_tlb_all
();
if
(
multi_match
)
{
printk
(
"Index : %0x
\n
"
,
read_c0_index
());
printk
(
"Pagemask: %0x
\n
"
,
read_c0_pagemask
());
printk
(
"EntryHi : %0*lx
\n
"
,
field
,
read_c0_entryhi
());
printk
(
"EntryLo0: %0*lx
\n
"
,
field
,
read_c0_entrylo0
());
printk
(
"EntryLo1: %0*lx
\n
"
,
field
,
read_c0_entrylo1
());
printk
(
"
\n
"
);
dump_tlb_all
();
}
show_code
((
unsigned
int
*
)
regs
->
cp0_epc
);
/*
/*
* Some chips may have other causes of machine check (e.g. SB1
* Some chips may have other causes of machine check (e.g. SB1
* graduation timer)
* graduation timer)
*/
*/
panic
(
"Caught Machine Check exception - %scaused by multiple "
panic
(
"Caught Machine Check exception - %scaused by multiple "
"matching entries in the TLB."
,
"matching entries in the TLB."
,
(
regs
->
cp0_status
&
ST0_TS
)
?
""
:
"not "
);
(
multi_match
)
?
""
:
"not "
);
}
}
asmlinkage
void
do_mt
(
struct
pt_regs
*
regs
)
asmlinkage
void
do_mt
(
struct
pt_regs
*
regs
)
...
...
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