[Buildroot] [PATCH 4/4] arch/arm: add an armv8.3a core
Yann E. MORIN
yann.morin.1998 at free.fr
Sun Dec 30 14:16:13 UTC 2018
The armv8.3a generation is a cumulative extension to armv8.2a.
Since gcc correctly enables the appropriate extensions based on the core
name, we don't really need to introduce a separate config for armv8.3a,
and we can piggyback on armv8a.
This new core is AArch64 only.
Signed-off-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
Cc: Thomas Petazzoni <thomas.petazzoni at bootlin.com>
---
arch/Config.in.arm | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/Config.in.arm b/arch/Config.in.arm
index e3c64d12ab..a9972978d4 100644
--- a/arch/Config.in.arm
+++ b/arch/Config.in.arm
@@ -473,6 +473,16 @@ config BR2_cortex_a75_a55
select BR2_ARCH_HAS_MMU_OPTIONAL
select BR2_ARCH_NEEDS_GCC_AT_LEAST_8
endif # BR2_ARCH_IS_64
+
+if BR2_ARCH_IS_64
+comment "armv8.3a cores"
+config BR2_saphira
+ bool "saphira"
+ select BR2_ARM_CPU_HAS_FP_ARMV8
+ select BR2_ARM_CPU_ARMV8A
+ select BR2_ARCH_HAS_MMU_OPTIONAL
+ select BR2_ARCH_NEEDS_GCC_AT_LEAST_8
+endif # BR2_ARCH_IS_64
endchoice
config BR2_ARM_ENABLE_NEON
@@ -822,6 +832,8 @@ config BR2_GCC_TARGET_CPU
default "cortex-a55" if BR2_cortex_a55
default "cortex-a75" if BR2_cortex_a75
default "cortex-a75.cortex-a55" if BR2_cortex_a75_a55
+ # armv8.3a
+ default "saphira" if BR2_saphira
config BR2_GCC_TARGET_ABI
default "aapcs-linux" if BR2_arm || BR2_armeb
--
2.14.1
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