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nuttx/arch/irq: add up_irq_disable method implementation

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Signed-off-by: guoshichao <guoshichao@xiaomi.com>
This commit is contained in:
guoshichao 2024-02-22 11:14:06 +08:00 committed by Xiang Xiao
parent 96abb51562
commit 0aa7e39eef
2 changed files with 36 additions and 0 deletions
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18
arch/arm/include/armv7-r/irq.h
View File

@ -389,6 +389,24 @@ static inline irqstate_t up_irq_enable(void)
return cpsr; return cpsr;
} }
/* Disable IRQs and return the previous IRQ state */
static inline irqstate_t up_irq_disable(void)
{
unsigned int cpsr;
__asm__ __volatile__
(
"\tmrs %0, cpsr\n"
"\tcpsid i\n"
: "=r" (cpsr)
:
: "memory"
);
return cpsr;
}
/* Restore saved IRQ & FIQ state */ /* Restore saved IRQ & FIQ state */
static inline void up_irq_restore(irqstate_t flags) static inline void up_irq_restore(irqstate_t flags)

18
arch/arm/include/armv8-r/irq.h
View File

@ -389,6 +389,24 @@ static inline irqstate_t up_irq_enable(void)
return cpsr; return cpsr;
} }
/* Disable IRQs and return the previous IRQ state */
static inline irqstate_t up_irq_disable(void)
{
unsigned int cpsr;
__asm__ __volatile__
(
"\tmrs %0, cpsr\n"
"\tcpsid i\n"
: "=r" (cpsr)
:
: "memory"
);
return cpsr;
}
/* Restore saved IRQ & FIQ state */ /* Restore saved IRQ & FIQ state */
static inline void up_irq_restore(irqstate_t flags) static inline void up_irq_restore(irqstate_t flags)