Messages in this thread | | | Date | Fri, 20 Feb 2015 20:47:56 +0100 | From | Uwe Kleine-König <> | Subject | Re: [PATCH v2 02/18] ARM: ARMv7M: Enlarge vector table to 256 entries |
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On Fri, Feb 20, 2015 at 07:01:01PM +0100, Maxime Coquelin wrote: > From Cortex-M reference manuals, the nvic supports up to 240 interrupts. > So the number of entries in vectors table is up to 256. > > This patch adds a new config flag to specify the number of external interrupts. > Some ifdeferies are added in order to respect the natural alignment without > wasting too much space on smaller systems. > > Signed-off-by: Maxime Coquelin <mcoquelin.stm32@gmail.com> > --- > arch/arm/kernel/entry-v7m.S | 13 +++++++++---- > arch/arm/mm/Kconfig | 15 +++++++++++++++ > 2 files changed, 24 insertions(+), 4 deletions(-) > > diff --git a/arch/arm/kernel/entry-v7m.S b/arch/arm/kernel/entry-v7m.S > index 8944f49..68cde36 100644 > --- a/arch/arm/kernel/entry-v7m.S > +++ b/arch/arm/kernel/entry-v7m.S > @@ -117,9 +117,14 @@ ENTRY(__switch_to) > ENDPROC(__switch_to) > > .data > - .align 8 > +#if CONFIG_CPUV7M_NUM_IRQ <= 112 I would have called this CONFIG_CPU_V7M_NUM_IRQ to match the already existing CPU_V7M symbol.
> + .align 9 > +#else > + .align 10 > +#endif > +
Other than that: Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Who do you target to apply this series?
Best regards Uwe
-- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | http://www.pengutronix.de/ |
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