[PATCH 2/4] arm: add implementation for arm-smccc

[Russell King - ARM Linux]

On Wed, Nov 04, 2015 at 10:46:10AM +0100, Jens Wiklander wrote:
> +	.macro SMCCC instr
> +	mov	r12, sp
> +	push	{r4-r7}
> +	ldm	r12, {r4-r7}
> +	\instr
> +	pop	{r4-r7}
> +	ldr	r12, [sp, #(4 * 4)]
> +	stm	r12, {r0-r3}
> +	bx	lr
> +	.endm

Please add unwinding support to this.

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