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Re: [Qemu-arm] [kvm-unit-tests PATCH v2 05/10] arm/arm64: irq enable/dis


From: Alex Bennée
Subject: Re: [Qemu-arm] [kvm-unit-tests PATCH v2 05/10] arm/arm64: irq enable/disable
Date: Tue, 07 Jun 2016 17:22:20 +0100
User-agent: mu4e 0.9.17; emacs 25.0.94.5

Andrew Jones <address@hidden> writes:

> Signed-off-by: Andrew Jones <address@hidden>

Reviewed-by: Alex Bennée <address@hidden>

> ---
>  lib/arm/asm/processor.h   | 10 ++++++++++
>  lib/arm64/asm/processor.h | 10 ++++++++++
>  2 files changed, 20 insertions(+)
>
> diff --git a/lib/arm/asm/processor.h b/lib/arm/asm/processor.h
> index afc903ca7d4ab..75a8d08b89330 100644
> --- a/lib/arm/asm/processor.h
> +++ b/lib/arm/asm/processor.h
> @@ -35,6 +35,16 @@ static inline unsigned long current_cpsr(void)
>
>  #define current_mode() (current_cpsr() & MODE_MASK)
>
> +static inline void local_irq_enable(void)
> +{
> +     asm volatile("cpsie i" : : : "memory", "cc");
> +}
> +
> +static inline void local_irq_disable(void)
> +{
> +     asm volatile("cpsid i" : : : "memory", "cc");
> +}
> +
>  static inline unsigned int get_mpidr(void)
>  {
>       unsigned int mpidr;
> diff --git a/lib/arm64/asm/processor.h b/lib/arm64/asm/processor.h
> index 94f7ce35b65c1..d54a4ed1c1876 100644
> --- a/lib/arm64/asm/processor.h
> +++ b/lib/arm64/asm/processor.h
> @@ -68,6 +68,16 @@ static inline unsigned long current_level(void)
>       return el & 0xc;
>  }
>
> +static inline void local_irq_enable(void)
> +{
> +     asm volatile("msr daifclr, #2" : : : "memory");
> +}
> +
> +static inline void local_irq_disable(void)
> +{
> +     asm volatile("msr daifset, #2" : : : "memory");
> +}
> +
>  #define DEFINE_GET_SYSREG(reg, type)                         \
>  static inline type get_##reg(void)                           \
>  {                                                            \


--
Alex Bennée



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