On Tue, Jul 12, 2022 at 09:22:12AM +, Christophe Leroy wrote:
> Le 11/07/2022 à 23:48, Segher Boessenkool a écrit :
> > I believe the eieio instruction is disabled on some e500 models, because
> > it does not work correctly, so EIEIO_EN=1 cannot work, something like
> > that?
>
> Don't know.
>
Le 11/07/2022 à 23:48, Segher Boessenkool a écrit :
> Hi!
>
> On Mon, Jul 11, 2022 at 05:32:09PM +, Christophe Leroy wrote:
>> Le 11/07/2022 à 18:14, Segher Boessenkool a écrit :
CC arch/powerpc/kernel/irq.o
{standard input}: Assembler messages:
{standard input}:3535
Hi!
On Mon, Jul 11, 2022 at 05:32:09PM +, Christophe Leroy wrote:
> Le 11/07/2022 à 18:14, Segher Boessenkool a écrit :
> >> CC arch/powerpc/kernel/irq.o
> >> {standard input}: Assembler messages:
> >> {standard input}:3535: Error: unrecognized opcode: `wrteei'
> >> {standard input}:5
Le 11/07/2022 à 18:14, Segher Boessenkool a écrit :
> On Sat, Jul 09, 2022 at 09:26:11AM +, Christophe Leroy wrote:
>> If I select the GENERIC_CPU or e5500 (with altivec) I get:
>>
>> CC arch/powerpc/kernel/irq.o
>> {standard input}: Assembler messages:
>> {standard input}:3535: Erro
On Sat, Jul 09, 2022 at 09:26:11AM +, Christophe Leroy wrote:
> If I select the GENERIC_CPU or e5500 (with altivec) I get:
>
>CC arch/powerpc/kernel/irq.o
> {standard input}: Assembler messages:
> {standard input}:3535: Error: unrecognized opcode: `wrteei'
> {standard input}:5608: Err
Le 10/07/2022 à 19:57, Pali Rohár a écrit :
> On Sunday 10 July 2022 17:38:33 Christophe Leroy wrote:
>> Le 09/07/2022 à 12:23, Pali Rohár a écrit :
>
> -ifdef CONFIG_PPC_BOOK3S_64
> ifdef CONFIG_CPU_LITTLE_ENDIAN
> -CFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=power8
> -CFL
On Sunday 10 July 2022 17:38:33 Christophe Leroy wrote:
> Le 09/07/2022 à 12:23, Pali Rohár a écrit :
> >>>
> >>> -ifdef CONFIG_PPC_BOOK3S_64
> >>>ifdef CONFIG_CPU_LITTLE_ENDIAN
> >>> -CFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=power8
> >>> -CFLAGS-$(CONFIG_GENERIC_CPU) += $(call
> >>> cc-optio
Le 09/07/2022 à 12:23, Pali Rohár a écrit :
>>>
>>> -ifdef CONFIG_PPC_BOOK3S_64
>>>ifdef CONFIG_CPU_LITTLE_ENDIAN
>>> -CFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=power8
>>> -CFLAGS-$(CONFIG_GENERIC_CPU) += $(call
>>> cc-option,-mtune=power9,-mtune=power8)
>>> +CFLAGS-$(CONFIG_PPC_BOOK3S_64) +
On Saturday 09 July 2022 09:16:13 Christophe Leroy wrote:
> Le 08/07/2022 à 19:14, Pali Rohár a écrit :
> > On Monday 04 July 2022 15:13:58 Pali Rohár wrote:
> >> On Monday 04 July 2022 14:07:10 Arnd Bergmann wrote:
> >>> On Mon, Jul 4, 2022 at 12:39 PM Pali Rohár wrote:
> On Monday 04 July 2
Le 08/07/2022 à 22:04, Arnd Bergmann a écrit :
> On Fri, Jul 8, 2022 at 7:12 PM Pali Rohár wrote:
>>
>> On Monday 04 July 2022 14:07:10 Arnd Bergmann wrote:
>>> Another problem I see is that a kernel that is built for both E500 and
>>> E500MC
>>> uses -mcpu=e500mc and may not actually work on t
Le 08/07/2022 à 19:14, Pali Rohár a écrit :
> On Monday 04 July 2022 15:13:58 Pali Rohár wrote:
>> On Monday 04 July 2022 14:07:10 Arnd Bergmann wrote:
>>> On Mon, Jul 4, 2022 at 12:39 PM Pali Rohár wrote:
On Monday 04 July 2022 20:23:29 Michael Ellerman wrote:
> On 2 July 2022 7:44:05
Le 08/07/2022 à 22:04, Arnd Bergmann a écrit :
> On Fri, Jul 8, 2022 at 7:12 PM Pali Rohár wrote:
>>
>> On Monday 04 July 2022 14:07:10 Arnd Bergmann wrote:
>>> Another problem I see is that a kernel that is built for both E500 and
>>> E500MC
>>> uses -mcpu=e500mc and may not actually work on t
On Fri, Jul 8, 2022 at 7:14 PM Pali Rohár wrote:
>
> -ifeq ($(HAS_BIARCH),y)
> -ifeq ($(CROSS32_COMPILE),)
> -ifdef CONFIG_PPC32
> -# These options will be overridden by any -mcpu option that the CPU
> -# or platform code sets later on the command line, but they are needed
> -# to set a sane 32-bi
On Fri, Jul 8, 2022 at 7:12 PM Pali Rohár wrote:
>
> On Monday 04 July 2022 14:07:10 Arnd Bergmann wrote:
> > Another problem I see is that a kernel that is built for both E500 and
> > E500MC
> > uses -mcpu=e500mc and may not actually work on the older ones either
> > (even with your patch).
>
>
On Monday 04 July 2022 15:13:58 Pali Rohár wrote:
> On Monday 04 July 2022 14:07:10 Arnd Bergmann wrote:
> > On Mon, Jul 4, 2022 at 12:39 PM Pali Rohár wrote:
> > > On Monday 04 July 2022 20:23:29 Michael Ellerman wrote:
> > > > On 2 July 2022 7:44:05 pm AEST, "Pali Rohár" wrote:
> > > > >On Tues
On Monday 04 July 2022 14:07:10 Arnd Bergmann wrote:
> Another problem I see is that a kernel that is built for both E500 and E500MC
> uses -mcpu=e500mc and may not actually work on the older ones either
> (even with your patch).
Such configuration is not supported, see arch/powerpc/platforms/Kcon
On Thursday 07 July 2022 09:56:04 Christophe Leroy wrote:
> Le 04/07/2022 à 15:43, Arnd Bergmann a écrit :
> > On Mon, Jul 4, 2022 at 3:29 PM Pali Rohár wrote:
> >>
> >> And still what to do with 4bf4f42a2feb ("powerpc/kbuild: Set default
> >> generic machine type for 32-bit compile")? I'm somehow
Le 04/07/2022 à 15:43, Arnd Bergmann a écrit :
> On Mon, Jul 4, 2022 at 3:29 PM Pali Rohár wrote:
>>
>> And still what to do with 4bf4f42a2feb ("powerpc/kbuild: Set default
>> generic machine type for 32-bit compile")? I'm somehow lost there...
>
> As far as I can tell, that is not needed, as l
On Mon, Jul 4, 2022 at 3:29 PM Pali Rohár wrote:
>
> And still what to do with 4bf4f42a2feb ("powerpc/kbuild: Set default
> generic machine type for 32-bit compile")? I'm somehow lost there...
As far as I can tell, that is not needed, as long as every configuration
sets a specific -mcpu= option,
On Monday 04 July 2022 15:22:03 Arnd Bergmann wrote:
> On Mon, Jul 4, 2022 at 3:13 PM Pali Rohár wrote:
> > On Monday 04 July 2022 14:07:10 Arnd Bergmann wrote:
>
> > > CFLAGS_CPU-$(CONFIG_PPC_BOOK3S_32) := -mcpu=powerpc
> > > CFLAGS_CPU-$(CONFIG_PPC_85xx) := -mcpu=8540
> > > CFLAGS_CPU-$(CONFIG_
On Mon, Jul 4, 2022 at 3:13 PM Pali Rohár wrote:
> On Monday 04 July 2022 14:07:10 Arnd Bergmann wrote:
> > CFLAGS_CPU-$(CONFIG_PPC_BOOK3S_32) := -mcpu=powerpc
> > CFLAGS_CPU-$(CONFIG_PPC_85xx) := -mcpu=8540
> > CFLAGS_CPU-$(CONFIG_PPC8xx) := -mcpu=860
> > CFLAGS_CPU-$(CONFIG_PPC44x) := -mcpu=440
On Monday 04 July 2022 14:07:10 Arnd Bergmann wrote:
> On Mon, Jul 4, 2022 at 12:39 PM Pali Rohár wrote:
> > On Monday 04 July 2022 20:23:29 Michael Ellerman wrote:
> > > On 2 July 2022 7:44:05 pm AEST, "Pali Rohár" wrote:
> > > >On Tuesday 24 May 2022 11:39:39 Pali Rohár wrote:
> > > >> gcc e500
On Mon, Jul 4, 2022 at 12:39 PM Pali Rohár wrote:
> On Monday 04 July 2022 20:23:29 Michael Ellerman wrote:
> > On 2 July 2022 7:44:05 pm AEST, "Pali Rohár" wrote:
> > >On Tuesday 24 May 2022 11:39:39 Pali Rohár wrote:
> > >> gcc e500 compiler does not support -mcpu=powerpc option. When it is
> >
On Monday 04 July 2022 20:23:29 Michael Ellerman wrote:
> On 2 July 2022 7:44:05 pm AEST, "Pali Rohár" wrote:
> >On Tuesday 24 May 2022 11:39:39 Pali Rohár wrote:
> >> gcc e500 compiler does not support -mcpu=powerpc option. When it is
> >> specified then gcc throws compile error:
> >>
> >> gcc
On 2 July 2022 7:44:05 pm AEST, "Pali Rohár" wrote:
>On Tuesday 24 May 2022 11:39:39 Pali Rohár wrote:
>> gcc e500 compiler does not support -mcpu=powerpc option. When it is
>> specified then gcc throws compile error:
>>
>> gcc: error: unrecognized argument in option ‘-mcpu=powerpc’
>> gcc
On Tuesday 24 May 2022 11:39:39 Pali Rohár wrote:
> gcc e500 compiler does not support -mcpu=powerpc option. When it is
> specified then gcc throws compile error:
>
> gcc: error: unrecognized argument in option ‘-mcpu=powerpc’
> gcc: note: valid arguments to ‘-mcpu=’ are: 8540 8548 native
>
>
On Tuesday 24 May 2022 14:52:16 Segher Boessenkool wrote:
> On Tue, May 24, 2022 at 09:16:10PM +0200, Pali Rohár wrote:
> > On Tuesday 24 May 2022 13:52:47 Segher Boessenkool wrote:
> > > Aha. Right, because this config forces -mspe it requires one of these
> > > CPUs.
> > >
> > > You can use a p
On Tue, May 24, 2022 at 09:16:10PM +0200, Pali Rohár wrote:
> On Tuesday 24 May 2022 13:52:47 Segher Boessenkool wrote:
> > Aha. Right, because this config forces -mspe it requires one of these
> > CPUs.
> >
> > You can use a powerpc-linux compiler instead, and everything will just
> > work. The
On Tuesday 24 May 2022 13:52:47 Segher Boessenkool wrote:
> On Tue, May 24, 2022 at 08:12:55PM +0200, Pali Rohár wrote:
> > On Tuesday 24 May 2022 12:59:55 Segher Boessenkool wrote:
> > > On Tue, May 24, 2022 at 11:39:39AM +0200, Pali Rohár wrote:
> > > > gcc e500 compiler does not support -mcpu=po
On Tue, May 24, 2022 at 08:12:55PM +0200, Pali Rohár wrote:
> On Tuesday 24 May 2022 12:59:55 Segher Boessenkool wrote:
> > On Tue, May 24, 2022 at 11:39:39AM +0200, Pali Rohár wrote:
> > > gcc e500 compiler does not support -mcpu=powerpc option. When it is
> > > specified then gcc throws compile e
On Tuesday 24 May 2022 12:59:55 Segher Boessenkool wrote:
> Hi!
>
> On Tue, May 24, 2022 at 11:39:39AM +0200, Pali Rohár wrote:
> > gcc e500 compiler does not support -mcpu=powerpc option. When it is
> > specified then gcc throws compile error:
> >
> > gcc: error: unrecognized argument in optio
Hi!
On Tue, May 24, 2022 at 11:39:39AM +0200, Pali Rohár wrote:
> gcc e500 compiler does not support -mcpu=powerpc option. When it is
> specified then gcc throws compile error:
>
> gcc: error: unrecognized argument in option ‘-mcpu=powerpc’
> gcc: note: valid arguments to ‘-mcpu=’ are: 8540 8
gcc e500 compiler does not support -mcpu=powerpc option. When it is
specified then gcc throws compile error:
gcc: error: unrecognized argument in option ‘-mcpu=powerpc’
gcc: note: valid arguments to ‘-mcpu=’ are: 8540 8548 native
So do not set -mcpu=powerpc option when CONFIG_E500 is set. Cor
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