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arch/arm: add an armv8.3a core

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@free.fr>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Yann E. MORIN 5 年之前
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共有 1 個文件被更改,包括 12 次插入0 次删除
  1. 12 0
      arch/Config.in.arm

+ 12 - 0
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