From: mcoquelin.stm32@gmail.com (Maxime Coquelin)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 02/18] ARM: ARMv7M: Enlarge vector table to 256 entries
Date: Mon, 23 Feb 2015 11:33:31 +0100 [thread overview]
Message-ID: <CALszF6CB9YU7ashQ-y_zx58Mkf=sbrBfa2dAOdQm7FkmcuE7PA@mail.gmail.com> (raw)
In-Reply-To: <20150220194756.GS19388@pengutronix.de>
2015-02-20 20:47 GMT+01:00 Uwe Kleine-K?nig <u.kleine-koenig@pengutronix.de>:
> 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.
That's better indeed.
It will be changed in v3.
>
>> + .align 9
>> +#else
>> + .align 10
>> +#endif
>> +
>
> Other than that:
> Acked-by: Uwe Kleine-K?nig <u.kleine-koenig@pengutronix.de>
>
> Who do you target to apply this series?
I guess it should go through Russell's Patch Tracking System?
Thanks,
Maxime
>
> Best regards
> Uwe
>
> --
> Pengutronix e.K. | Uwe Kleine-K?nig |
> Industrial Linux Solutions | http://www.pengutronix.de/ |
next prev parent reply other threads:[~2015-02-23 10:33 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-20 18:00 [PATCH v2 00/18] Add support to STMicroelectronics STM32 family Maxime Coquelin
2015-02-20 18:01 ` [PATCH v2 01/18] scripts: link-vmlinux: Don't pass page offset to kallsyms if XIP Kernel Maxime Coquelin
2015-02-20 18:01 ` [PATCH v2 02/18] ARM: ARMv7M: Enlarge vector table to 256 entries Maxime Coquelin
2015-02-20 19:47 ` Uwe Kleine-König
2015-02-23 10:33 ` Maxime Coquelin [this message]
2015-02-26 10:29 ` Maxime Coquelin
2015-02-26 10:43 ` Uwe Kleine-König
2015-03-09 0:29 ` Stefan Agner
2015-03-09 17:12 ` Maxime Coquelin
2015-02-20 18:01 ` [PATCH v2 03/18] dt-bindings: Document the ARM System timer bindings Maxime Coquelin
2015-02-20 18:01 ` [PATCH v2 04/18] clocksource: Add ARM System timer driver Maxime Coquelin
2015-02-20 19:54 ` Uwe Kleine-König
2015-02-20 21:48 ` Paul Bolle
2015-03-02 16:53 ` Maxime Coquelin
2015-03-03 19:43 ` Paul Bolle
2015-03-04 12:08 ` Maxime Coquelin
2015-03-09 21:12 ` Paul Bolle
2015-03-09 22:17 ` Uwe Kleine-König
2015-03-09 15:50 ` Linus Walleij
2015-03-09 17:00 ` Maxime Coquelin
2015-02-20 18:01 ` [PATCH v2 05/18] reset: Add reset_controller_of_init() function Maxime Coquelin
2015-03-10 15:00 ` Arnd Bergmann
2015-03-10 15:28 ` Maxime Coquelin
2015-03-10 20:19 ` Arnd Bergmann
2015-03-10 21:30 ` Rob Herring
2015-03-12 21:08 ` Maxime Coquelin
2015-02-20 18:01 ` [PATCH v2 06/18] dt-bindings: Document the STM32 reset bindings Maxime Coquelin
2015-02-20 18:01 ` [PATCH v2 07/18] drivers: reset: Add STM32 reset driver Maxime Coquelin
2015-03-10 15:02 ` Arnd Bergmann
2015-03-10 15:41 ` Maxime Coquelin
2015-03-10 15:44 ` Maxime Coquelin
2015-03-10 20:21 ` Arnd Bergmann
2015-03-10 21:20 ` Maxime Coquelin
2015-03-11 13:08 ` Philipp Zabel
2015-03-12 21:05 ` Maxime Coquelin
2015-02-20 18:01 ` [PATCH v2 08/18] dt-bindings: Document the STM32 timer bindings Maxime Coquelin
2015-02-20 18:01 ` [PATCH v2 09/18] clockevent: Add STM32 Timer driver Maxime Coquelin
2015-02-20 18:01 ` [PATCH v2 10/18] dt-bindings: Document the STM32 pin controller Maxime Coquelin
2015-03-06 9:12 ` Linus Walleij
2015-03-06 9:35 ` Linus Walleij
2015-02-20 18:01 ` [PATCH v2 11/18] pinctrl: Add pinctrl driver for STM32 MCUs Maxime Coquelin
2015-03-06 9:24 ` Linus Walleij
2015-03-06 9:57 ` Maxime Coquelin
2015-03-10 15:08 ` Arnd Bergmann
2015-03-18 1:08 ` Linus Walleij
2015-02-20 18:01 ` [PATCH v2 12/18] dt-bindings: Document the STM32 USART bindings Maxime Coquelin
2015-03-10 15:08 ` Arnd Bergmann
2015-03-10 15:45 ` Maxime Coquelin
2015-02-20 18:01 ` [PATCH v2 13/18] serial: stm32-usart: Add STM32 USART Driver Maxime Coquelin
2015-02-20 18:01 ` [PATCH v2 14/18] ARM: Add STM32 family machine Maxime Coquelin
2015-02-20 18:33 ` Peter Meerwald
2015-02-25 11:52 ` Maxime Coquelin
2015-02-20 20:00 ` Uwe Kleine-König
2015-02-20 21:37 ` Paul Bolle
2015-02-25 12:04 ` Maxime Coquelin
2015-02-25 12:03 ` Maxime Coquelin
2015-03-10 15:10 ` Arnd Bergmann
2015-02-20 18:01 ` [PATCH v2 15/18] ARM: dts: Add ARM System timer as clockevent in armv7m Maxime Coquelin
2015-02-20 18:01 ` [PATCH v2 16/18] ARM: dts: Introduce STM32F429 MCU Maxime Coquelin
2015-03-02 17:42 ` Andreas Färber
2015-03-03 17:59 ` Maxime Coquelin
2015-03-09 14:39 ` Linus Walleij
2015-03-09 16:51 ` Maxime Coquelin
2015-02-20 18:01 ` [PATCH v2 17/18] ARM: configs: Add STM32 defconfig Maxime Coquelin
2015-02-20 18:01 ` [PATCH v2 18/18] MAINTAINERS: Add entry for STM32 MCUs Maxime Coquelin
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