Commit 5c636d58 authored by Raghavendra Rao Ananta's avatar Raghavendra Rao Ananta Committed by Marc Zyngier
Browse files

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: default avatarRaghavendra Rao Ananta <rananta@google.com>
Reviewed-by: default avatarOliver Upton <oupton@google.com>
Reviewed-by: default avatarAndrew Jones <drjones@redhat.com>
Signed-off-by: default avatarMarc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20211007233439.1826892-9-rananta@google.com
parent 80166904

tools/testing/selftests/kvm/include/aarch64/processor.h

+10 −0
Original line number Diff line number Diff line
@@ -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 */