From: Sascha Hauer <s.hauer@pengutronix.de>
To: Lucas Stach <dev@lynxeye.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH] ARM: qemu-virt64: convert to assembly entry
Date: Thu, 16 Jan 2020 09:28:43 +0100 [thread overview]
Message-ID: <20200116082843.q2fh7yiw22pv64ru@pengutronix.de> (raw)
In-Reply-To: <20200114201744.267746-1-dev@lynxeye.de>
On Tue, Jan 14, 2020 at 09:17:44PM +0100, Lucas Stach wrote:
> The C entry function isn't naked, so tries to push to the stack
> in the function prologue. This doesn't work on QEMU where there
> is no valid SP on entry. Convert the lowlevel entry to the
> assembly facilities provided for this case.
>
> Signed-off-by: Lucas Stach <dev@lynxeye.de>
> ---
> arch/arm/boards/qemu-virt64/Makefile | 2 +-
> arch/arm/boards/qemu-virt64/lowlevel.c | 4 +++-
> arch/arm/boards/qemu-virt64/lowlevel_init.S | 12 ++++++++++++
> 3 files changed, 16 insertions(+), 2 deletions(-)
> create mode 100644 arch/arm/boards/qemu-virt64/lowlevel_init.S
Applied, thanks
Sascha
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prev parent reply other threads:[~2020-01-16 8:28 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-14 20:17 Lucas Stach
2020-01-16 8:28 ` Sascha Hauer [this message]
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