Commit d614e6e3 authored by Huifeng Zhang's avatar Huifeng Zhang Committed by Fabio Baltieri
Browse files

arch: aarch32: cortex_a_r: introduce sys_read64 



sys_read64 is useful when operating gicv3 register.

Signed-off-by: default avatarHuifeng Zhang <Huifeng.Zhang@arm.com>
parent d1614851

include/zephyr/arch/arm/aarch32/cortex_a_r/sys_io.h

+8 −0
Original line number Diff line number Diff line
@@ -66,6 +66,14 @@ static ALWAYS_INLINE void sys_write32(uint32_t data, mem_addr_t addr) 
	*(volatile uint32_t *)addr = data;

}



static ALWAYS_INLINE uint64_t sys_read64(mem_addr_t addr)

{

	uint64_t val = *(volatile uint64_t *)addr;



	__DMB();

	return val;

}



#ifdef __cplusplus

}

#endif

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