diff options
| author | Raghavendra Rao Ananta <rananta@google.com> | 2021-10-07 23:34:32 +0000 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2021-10-17 11:17:20 +0100 |
| commit | 5c636d585cfd0d01a89b18fced77a07ab2ef386a (patch) | |
| tree | da0f84a9a7a85c11ffc966be46b9b2b031a857be /tools/testing/selftests/kvm/include | |
| parent | 80166904655976bb9babc48fd283c2bba5799920 (diff) | |
KVM: arm64: selftests: Add support to disable and enable local IRQs
Add functions local_irq_enable() and local_irq_disable() to
enable and disable the IRQs from the guest, respectively.
Signed-off-by: Raghavendra Rao Ananta <rananta@google.com>
Reviewed-by: Oliver Upton <oupton@google.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20211007233439.1826892-9-rananta@google.com
Diffstat (limited to 'tools/testing/selftests/kvm/include')
| -rw-r--r-- | tools/testing/selftests/kvm/include/aarch64/processor.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/testing/selftests/kvm/include/aarch64/processor.h b/tools/testing/selftests/kvm/include/aarch64/processor.h index 265054c24481..515d04a3c27d 100644 --- a/tools/testing/selftests/kvm/include/aarch64/processor.h +++ b/tools/testing/selftests/kvm/include/aarch64/processor.h @@ -172,4 +172,14 @@ static __always_inline u32 __raw_readl(const volatile void *addr) #define writel(v,c) ({ __iowmb(); writel_relaxed((v),(c));}) #define readl(c) ({ u32 __v = readl_relaxed(c); __iormb(__v); __v; }) +static inline void local_irq_enable(void) +{ + asm volatile("msr daifclr, #3" : : : "memory"); +} + +static inline void local_irq_disable(void) +{ + asm volatile("msr daifset, #3" : : : "memory"); +} + #endif /* SELFTEST_KVM_PROCESSOR_H */ |