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ARM: virt: Add CONFIG_ARM_VIRT_EXT option

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It is now possible to enable the virtualization extention support.

Signed-off-by: Dave Martin <dave.martin@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
This commit is contained in:
Dave Martin 2012-02-17 16:54:28 +00:00 • committed by Marc Zyngier
parent 4588c34daa
commit 5b6728d418
1 changed files with 17 additions and 0 deletions
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17
arch/arm/mm/Kconfig
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@ -624,6 +624,23 @@ config ARM_THUMBEE
Say Y here if you have a CPU with the ThumbEE extension and code to Say Y here if you have a CPU with the ThumbEE extension and code to
make use of it. Say N for code that can run on CPUs without ThumbEE. make use of it. Say N for code that can run on CPUs without ThumbEE.
config ARM_VIRT_EXT
bool "Native support for the ARM Virtualization Extensions"
depends on MMU && CPU_V7
help
Enable the kernel to make use of the ARM Virtualization
Extensions to install hypervisors without run-time firmware
assistance.
A compliant bootloader is required in order to make maximum
use of this feature. Refer to Documentation/arm/Booting for
details.
It is safe to enable this option even if the kernel may not be
booted in HYP mode, may not have support for the
virtualization extensions, or may be booted with a
non-compliant bootloader.
config SWP_EMULATE config SWP_EMULATE
bool "Emulate SWP/SWPB instructions" bool "Emulate SWP/SWPB instructions"
depends on !CPU_USE_DOMAINS && CPU_V7 depends on !CPU_USE_DOMAINS && CPU_V7