Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752000AbbBLRqX (ORCPT ); Thu, 12 Feb 2015 12:46:23 -0500 Received: from mail-wg0-f66.google.com ([74.125.82.66]:47239 "EHLO mail-wg0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751868AbbBLRqT (ORCPT ); Thu, 12 Feb 2015 12:46:19 -0500 From: Maxime Coquelin To: Jonathan Corbet , Maxime Coquelin , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Philipp Zabel , Russell King , Daniel Lezcano , Thomas Gleixner , Linus Walleij , Greg Kroah-Hartman , Jiri Slaby , Arnd Bergmann , Andrew Morton , "David S. Miller" , Mauro Carvalho Chehab , Joe Perches , Antti Palosaari , Tejun Heo , Will Deacon , Nikolay Borisov , Rusty Russell , Kees Cook , Michal Marek , linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-gpio@vger.kernel.org, linux-serial@vger.kernel.org, linux-arch@vger.kernel.org, linux-api@vger.kernel.org Subject: [PATCH 02/14] ARM: ARMv7M: Enlarge vector table to 256 entries Date: Thu, 12 Feb 2015 18:45:52 +0100 Message-Id: <1423763164-5606-3-git-send-email-mcoquelin.stm32@gmail.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1423763164-5606-1-git-send-email-mcoquelin.stm32@gmail.com> References: <1423763164-5606-1-git-send-email-mcoquelin.stm32@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1405 Lines: 44 >From Cortex-M4 and M7 reference manuals, the nvic supports up to 240 interrupts. So the number of entries in vectors table is 256. This patch adds the missing entries, and change the alignement, so that vector_table remains naturally aligned. Signed-off-by: Maxime Coquelin --- arch/arm/kernel/entry-v7m.S | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm/kernel/entry-v7m.S b/arch/arm/kernel/entry-v7m.S index 8944f49..29a461b 100644 --- a/arch/arm/kernel/entry-v7m.S +++ b/arch/arm/kernel/entry-v7m.S @@ -117,9 +117,9 @@ ENTRY(__switch_to) ENDPROC(__switch_to) .data - .align 8 + .align 10 /* - * Vector table (64 words => 256 bytes natural alignment) + * Vector table (256 words => 1024 bytes alignment) */ ENTRY(vector_table) .long 0 @ 0 - Reset stack pointer @@ -138,6 +138,6 @@ ENTRY(vector_table) .long __invalid_entry @ 13 - Reserved .long __pendsv_entry @ 14 - PendSV .long __invalid_entry @ 15 - SysTick - .rept 64 - 16 - .long __irq_entry @ 16..64 - External Interrupts + .rept 256 - 16 + .long __irq_entry @ 16..256 - External Interrupts .endr -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/