Re: [PATCH 3/3] PowerPC4xx/E500 WatchDogTimerDriver(exception handler part)
From: Kumar Gala <hidden>
Date: 2005-03-03 09:21:49
I've sent the part of this that was a bug fix to head_booke.h up stream=20= to andrew. - kumar On Feb 28, 2005, at 7:27 AM, Takeharu KATO wrote:
Dear Matt and all: This is PowerPC405 exception handling part. This patch consist of two parts. I create this just in case, if you think that this is not needed, please ignore them. 1) WatchDogException vector routine for ppc4xx. =A0=A0=A0 It cause Oops with MachineCheckException as other PPC4xx =
do.
quoted hunk ↗ jump to hunk
2) Trivial bug fix in head_booke.h =A0=A0=A0 Trivial bug fix of CRITICAL_EXCEPTION macro. Signed-off-by: Takeharu KATO <redacted> diff -uprN linux-2.6.11-rc5.orig/arch/ppc/kernel/head_4xx.S linux-2.6.11-rc5-ppc4xx/arch/ppc/kernel/head_4xx.S--- linux-2.6.11-rc5.orig/arch/ppc/kernel/head_4xx.S=A0=A0=A0 =
2005-02-27=20
15:30:39.000000000 +0900 +++ linux-2.6.11-rc5-ppc4xx/arch/ppc/kernel/head_4xx.S=A0 2005-02-28=20=
21:47:42.531317912 +0900 @@ -484,11 +484,11 @@ label: =A0 */ =A0 =A0=A0=A0=A0=A0 STND_EXCEPTION(0x1010,=A0 FITException,=A0=A0 =
=A0=A0=A0=A0=A0=A0=A0=20
UnknownException) +#endif =A0 /* 0x1020 - Watchdog Timer (WDT) Exception =A0 */ =A0 =A0=A0=A0=A0=A0 CRITICAL_EXCEPTION(0x1020, WDTException, =
UnknownException)
-#endif =A0 /* 0x1100 - Data TLB Miss Exception =A0=A0 * As the name implies, translation is not in the MMU, so =
search the
quoted hunk ↗ jump to hunk
diff -uprN linux-2.6.11-rc5.orig/arch/ppc/kernel/head_booke.h linux-2.6.11-rc5-ppc4xx/arch/ppc/kernel/head_booke.h--- linux-2.6.11-rc5.orig/arch/ppc/kernel/head_booke.h=A0 2005-02-27=20=
15:27:12.000000000 +0900 +++ linux-2.6.11-rc5-ppc4xx/arch/ppc/kernel/head_booke.h=A0=A0=A0=A0=A0=
=A0=A0=20
2005-02-28 21:50:05.060650160 +0900 @@ -194,8 +194,8 @@ label: =A0 =A0=A0=A0=A0=A0 CRITICAL_EXCEPTION_PROLOG;=A0=A0=A0=A0=A0 =A0=A0=A0=
=A0=A0=A0=A0 =A0=A0=A0=A0=A0=A0=A0 =A0=A0=A0=A0=A0=A0=A0 \
=A0 =A0=A0=A0=A0=A0 addi=A0=A0=A0 r3,r1,STACK_FRAME_OVERHEAD;=A0=A0=A0=A0=
=A0=A0=A0=A0=A0=A0=A0 =A0=A0=A0=A0=A0=A0=A0 \
=A0 =A0=A0=A0=A0=A0 EXC_XFER_TEMPLATE(hdlr, n+2, (MSR_KERNEL &=20 ~(MSR_ME|MSR_DE|MSR_CE)), \ -=A0=A0=A0=A0=A0=A0 =A0=A0=A0=A0=A0=A0=A0 =A0=A0=A0=A0=A0=A0=A0 =A0 =
NOCOPY, transfer_to_handler_full, \
-=A0=A0=A0=A0=A0=A0 =A0=A0=A0=A0=A0=A0=A0 =A0=A0=A0=A0=A0=A0=A0 =A0 =
ret_from_except_full)
+=A0=A0=A0=A0=A0=A0 =A0=A0=A0=A0=A0=A0=A0 =A0=A0=A0=A0=A0=A0=A0 =A0 =
NOCOPY, crit_transfer_to_handler, \
+=A0=A0=A0=A0=A0=A0 =A0=A0=A0=A0=A0=A0=A0 =A0=A0=A0=A0=A0=A0=A0 =A0 =
ret_from_crit_exc)
=A0 #define MCHECK_EXCEPTION(n, label, hdlr)=A0=A0=A0=A0=A0 =A0=A0=A0=A0=
=A0=A0=A0 =A0=A0=A0=A0=A0=A0=A0 \
=A0 =A0=A0=A0=A0=A0 START_EXCEPTION(label); =A0=A0=A0=A0=A0=A0=A0 =
=A0=A0=A0=A0=A0=A0=A0 =A0=A0=A0=A0=A0=A0=A0 =A0=A0=A0=A0=A0=A0=A0 \
_______________________________________________ Linuxppc-embedded mailing list Linuxppc-embedded@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-embedded