[RFC PATCH 1/5] Compile for ARMv7-A with virtualization extensions

[Jim Posen]

In order to assemble instructions that read the ELR_hyp register,
which is part of the ARMv7-A virtualization extensions, the assembler
target architecture needs to be changed.

Signed-off-by: Jim Posen <jim.posen at gmail.com>
---

 arch/arm/Makefile             | 4 ++++
 arch/arm/mach-bcm283x/Kconfig | 3 +++
 arch/arm/mach-exynos/Kconfig  | 1 +
 3 files changed, 8 insertions(+)

diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 6c9a00c5a4..68c6b06a0e 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -14,8 +14,12 @@ arch-$(CONFIG_CPU_SA1100)	=-march=armv4
 arch-$(CONFIG_CPU_PXA)		=
 arch-$(CONFIG_CPU_ARM1136)	=-march=armv5t
 arch-$(CONFIG_CPU_ARM1176)	=-march=armv5t
+ifeq ($(CONFIG_CPU_V7_HAS_VIRT),y)
+arch-$(CONFIG_CPU_V7A)		=-march=armv7ve
+else
 arch-$(CONFIG_CPU_V7A)		=$(call cc-option, -march=armv7-a, \
 				 $(call cc-option, -march=armv7))
+endif
 arch-$(CONFIG_CPU_V7M)		=-march=armv7-m
 arch-$(CONFIG_CPU_V7R)		=-march=armv7-r
 ifeq ($(CONFIG_ARM64_CRC32),y)
diff --git a/arch/arm/mach-bcm283x/Kconfig b/arch/arm/mach-bcm283x/Kconfig
index b3287ce8bc..500a504c35 100644
--- a/arch/arm/mach-bcm283x/Kconfig
+++ b/arch/arm/mach-bcm283x/Kconfig
@@ -8,6 +8,7 @@ config BCM2836
 	depends on ARCH_BCM283X
 	select ARMV7_LPAE
 	select CPU_V7A
+	select CPU_V7_HAS_VIRT
 
 config BCM2837
 	bool "Broadcom BCM2837 SoC support"
@@ -19,6 +20,7 @@ config BCM2837_32B
 	select BCM2837
 	select ARMV7_LPAE
 	select CPU_V7A
+	select CPU_V7_HAS_VIRT
 
 config BCM2837_64B
 	bool "Broadcom BCM2837 SoC 64-bit support"
@@ -36,6 +38,7 @@ config BCM2711_32B
 	select BCM2711
 	select ARMV7_LPAE
 	select CPU_V7A
+	select CPU_V7_HAS_VIRT
 	select PHYS_64BIT
 
 config BCM2711_64B
diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
index 7df0e17617..6d0e95ba44 100644
--- a/arch/arm/mach-exynos/Kconfig
+++ b/arch/arm/mach-exynos/Kconfig
@@ -19,6 +19,7 @@ config ARCH_EXYNOS5
 	bool "Exynos5 SoC family"
 	select BOARD_EARLY_INIT_F
 	select CPU_V7A
+	select CPU_V7_HAS_VIRT
 	select SHA_HW_ACCEL
 	imply CMD_HASH
 	imply CRC32_VERIFY
-- 
2.25.1