From mboxrd@z Thu Jan  1 00:00:00 1970
From: will.deacon@arm.com (Will Deacon)
Date: Fri, 6 Nov 2015 12:25:10 +0000
Subject: [PATCH 2/4] arm: add implementation for arm-smccc
In-Reply-To: <20151104102327.GJ8644@n2100.arm.linux.org.uk>
References: <1446630372-1598-1-git-send-email-jens.wiklander@linaro.org>
 <1446630372-1598-3-git-send-email-jens.wiklander@linaro.org>
 <20151104102327.GJ8644@n2100.arm.linux.org.uk>
Message-ID: <20151106122510.GJ6087@arm.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Wed, Nov 04, 2015 at 10:23:27AM +0000, Russell King - ARM Linux wrote:
> 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.

Likewise for the arm64 part (which should be easy with
.cfi_startproc/.cfi_endproc).

Will