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From: Tom Rini <trini@konsulko.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 1/4] arm: make sure board_init_r() is being called using the right mode (ARM / THUMB)
Date: Tue, 9 Feb 2016 12:03:54 -0500	[thread overview]
Message-ID: <20160209170354.GO11375@bill-the-cat> (raw)
In-Reply-To: <1455032911-29001-2-git-send-email-d.mueller@elsoft.ch>

On Tue, Feb 09, 2016 at 04:48:28PM +0100, David M?ller wrote:

> Signed-off-by: David M?ller <d.mueller@elsoft.ch>
> ---
>  arch/arm/lib/crt0.S | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/lib/crt0.S b/arch/arm/lib/crt0.S
> index 2f4c14e..8415f77 100644
> --- a/arch/arm/lib/crt0.S
> +++ b/arch/arm/lib/crt0.S
> @@ -167,8 +167,12 @@ clbss_l:cmp	r0, r1			/* while not at end of BSS */
>  	mov     r0, r9                  /* gd_t */
>  	ldr	r1, [r9, #GD_RELOCADDR]	/* dest_addr */
>  	/* call board_init_r */
> +#if defined(CONFIG_SYS_THUMB_BUILD)
> +	ldr	lr, =board_init_r	/* this is auto-relocated! */
> +	bx	lr
> +#else
>  	ldr	pc, =board_init_r	/* this is auto-relocated! */
> -
> +#endif
>  	/* we should not return here. */
>  #endif

In general, my preference is always to use the thumb compatible way, can
you rework like that and explain in the commit message?  Thanks!

-- 
Tom
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  reply	other threads:[~2016-02-09 17:03 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-09 15:48 [U-Boot] [PATCH 0/4] Use THUMB mode for VCMA9 U-Boot builts David Müller
2016-02-09 15:48 ` [U-Boot] [PATCH 1/4] arm: make sure board_init_r() is being called using the right mode (ARM / THUMB) David Müller
2016-02-09 17:03   ` Tom Rini [this message]
2016-02-10  7:57     ` David Müller (ELSOFT AG)
2016-02-10 22:12       ` Tom Rini
2016-02-15 22:35   ` [U-Boot] [U-Boot, " Tom Rini
2016-02-09 15:48 ` [U-Boot] [PATCH 2/4] arm: the ARM920T is THUMB capable, so select the appropriate ISA David Müller
2016-02-15 22:35   ` [U-Boot] [U-Boot, " Tom Rini
2016-02-09 15:48 ` [U-Boot] [PATCH 3/4] arm: build some file(s) as ARM mode only David Müller
2016-02-15 22:35   ` [U-Boot] [U-Boot,3/4] " Tom Rini
2016-02-09 15:48 ` [U-Boot] [PATCH 4/4] arm: VCMA9: because of NOR flash space constrains, activate THUMB build mode David Müller
2016-02-15 22:35   ` [U-Boot] [U-Boot, " Tom Rini

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