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From: Peter Korsgaard <peter@korsgaard.com>
To: buildroot@busybox.net
Subject: [Buildroot] [PATCH 3/3] arch/Config.in.arm: support thumb2 instructions for ARMv8 in 32bit mode
Date: Wed,  7 Dec 2016 10:25:22 +0100	[thread overview]
Message-ID: <20161207092522.16222-3-peter@korsgaard.com> (raw)
In-Reply-To: <20161207092522.16222-1-peter@korsgaard.com>

The ARMv8 cores all support thumb2 instructions when running in aarch32 mode.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
---
 arch/Config.in.arm | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/Config.in.arm b/arch/Config.in.arm
index 6ec6029..2617976 100644
--- a/arch/Config.in.arm
+++ b/arch/Config.in.arm
@@ -195,6 +195,7 @@ config BR2_cortex_a53
 	bool "cortex-A53"
 	select BR2_ARM_CPU_HAS_ARM if !BR2_ARCH_IS_64
 	select BR2_ARM_CPU_HAS_NEON if !BR2_ARCH_IS_64
+	select BR2_ARM_CPU_HAS_THUMB2 if !BR2_ARCH_IS_64
 	select BR2_ARM_CPU_HAS_FP_ARMV8
 	select BR2_ARM_CPU_ARMV8
 	select BR2_ARCH_HAS_MMU_OPTIONAL
@@ -202,6 +203,7 @@ config BR2_cortex_a57
 	bool "cortex-A57"
 	select BR2_ARM_CPU_HAS_ARM if !BR2_ARCH_IS_64
 	select BR2_ARM_CPU_HAS_NEON if !BR2_ARCH_IS_64
+	select BR2_ARM_CPU_HAS_THUMB2 if !BR2_ARCH_IS_64
 	select BR2_ARM_CPU_HAS_FP_ARMV8
 	select BR2_ARM_CPU_ARMV8
 	select BR2_ARCH_HAS_MMU_OPTIONAL
@@ -209,6 +211,7 @@ config BR2_cortex_a72
 	bool "cortex-A72"
 	select BR2_ARM_CPU_HAS_ARM if !BR2_ARCH_IS_64
 	select BR2_ARM_CPU_HAS_NEON if !BR2_ARCH_IS_64
+	select BR2_ARM_CPU_HAS_THUMB2 if !BR2_ARCH_IS_64
 	select BR2_ARM_CPU_HAS_FP_ARMV8
 	select BR2_ARM_CPU_ARMV8
 	select BR2_ARCH_HAS_MMU_OPTIONAL
-- 
2.10.2

  parent reply	other threads:[~2016-12-07  9:25 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-07  9:25 [Buildroot] [PATCH 1/3] arch/Config.in.arm: only enable BR2_ARM_CPU_HAS_ARM for ARMv8 in 32bit mode Peter Korsgaard
2016-12-07  9:25 ` [Buildroot] [PATCH 2/3] arch/Config.in.arm: only enable BR2_ARM_CPU_HAS_NEON " Peter Korsgaard
2016-12-07  9:25 ` Peter Korsgaard [this message]
2016-12-08 21:33 ` [Buildroot] [PATCH 1/3] arch/Config.in.arm: only enable BR2_ARM_CPU_HAS_ARM " Thomas Petazzoni

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