From: will.deacon@arm•com (Will Deacon)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH 2/4] arm: add implementation for arm-smccc
Date: Fri, 6 Nov 2015 12:25:10 +0000 [thread overview]
Message-ID: <20151106122510.GJ6087@arm.com> (raw)
In-Reply-To: <20151104102327.GJ8644@n2100.arm.linux.org.uk>
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
next prev parent reply other threads:[~2015-11-06 12:25 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-04 9:46 [PATCH 0/4] ARM SMC Calling Convention interface Jens Wiklander
2015-11-04 9:46 ` [PATCH 1/4] arm/arm64: add arm-smccc Jens Wiklander
2015-11-04 9:46 ` [PATCH 2/4] arm: add implementation for arm-smccc Jens Wiklander
2015-11-04 10:23 ` Russell King - ARM Linux
2015-11-06 12:25 ` Will Deacon [this message]
2015-11-10 15:25 ` Jens Wiklander
2015-11-04 9:46 ` [PATCH 3/4] arm64: " Jens Wiklander
2015-11-04 9:46 ` [PATCH 4/4] drivers: psci: replace psci firmware calls Jens Wiklander
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