a13029996f
We use the host compiler for x86-64 builds, so ensure it is only available on x86-64 hosts. Signed-off-by: Peter Korsgaard <peter@korsgaard.com> Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
45 lines
1.9 KiB
Plaintext
45 lines
1.9 KiB
Plaintext
config BR2_PACKAGE_KVM_UNIT_TESTS_ARCH_SUPPORTS
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bool
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# On ARM, it uses virtualization extensions
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default y if BR2_cortex_a7 || BR2_cortex_a12 || \
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BR2_cortex_a15 || BR2_cortex_a15_a7 || \
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BR2_cortex_a17 || BR2_cortex_a17_a7
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default y if BR2_i386 || BR2_x86_64
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default y if BR2_powerpc64 || BR2_powerpc64le
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config BR2_PACKAGE_KVM_UNIT_TESTS
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bool "kvm-unit-tests"
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depends on BR2_PACKAGE_KVM_UNIT_TESTS_ARCH_SUPPORTS
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# on i386 and x86-64, __builtin_reachable is used, so we need
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# gcc 4.5 at least. on i386, we use the target gcc, while on
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# x86-64 we use the host gcc (see .mk file for details)
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depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_5 || !BR2_i386
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depends on BR2_HOST_GCC_AT_LEAST_4_5 || !BR2_x86_64
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depends on BR2_HOSTARCH = "x86_64" || !BR2_x86_64
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select BR2_HOSTARCH_NEEDS_IA32_COMPILER if BR2_x86_64=y
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help
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kvm-unit-tests is a project as old as KVM. As its name
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suggests, it's purpose is to provide unit tests for KVM. The
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unit tests are tiny guest operating systems that generally
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execute only tens of lines of C and assembler test code in
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order to obtain its PASS/FAIL result. Unit tests provide KVM
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and virt hardware functional testing by targeting the
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features through minimal implementations of their use per
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the hardware specification. The simplicity of unit tests
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make them easy to verify they are correct, easy to maintain,
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and easy to use in timing measurements. Unit tests are also
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often used for quick and dirty bug reproducers. The
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reproducers may then be kept as regression tests. It's
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strongly encouraged that patches implementing new KVM
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features are submitted with accompanying unit tests.
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http://www.linux-kvm.org/page/KVM-unit-tests
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comment "kvm-unit-tests needs a toolchain w/ gcc >= 4.5"
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depends on BR2_i386
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depends on !BR2_TOOLCHAIN_GCC_AT_LEAST_4_5
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comment "kvm-unit-tests needs a host gcc >= 4.5"
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depends on BR2_x86_64
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depends on !BR2_HOST_GCC_AT_LEAST_4_5
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