[U-Boot] [PATCH v9 07/15] ARM: Fix arm720t SPL build

[Zhong Hongbo]

On 08/17/2012 05:04 AM, Allen Martin wrote:
> Take a few SPL fixes from armv7 and apply them to arm720t:
> -Use dummy exception handlers for SPL build
> -Initialize relocation register r9 to 0 for the case of no relocation
> -ifdef out interrupt handler code
> 
> Signed-off-by: Allen Martin <amartin at nvidia.com>
> Acked-by: Stephen Warren <swarren at wwwdotorg.org>
> Tested-by: Thierry Reding <thierry.reding at avionic-design.de>
> Signed-off-by: Tom Warren <twarren at nvidia.com>
> ---
>  arch/arm/cpu/arm720t/start.S |   13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/arch/arm/cpu/arm720t/start.S b/arch/arm/cpu/arm720t/start.S
> index 3b97e80..dc047b8 100644
> --- a/arch/arm/cpu/arm720t/start.S
> +++ b/arch/arm/cpu/arm720t/start.S
> @@ -51,6 +51,15 @@ _start: b	reset
>  	ldr	pc, _irq
>  	ldr	pc, _fiq
>  
> +#ifdef CONFIG_SPL_BUILD
> +_undefined_instruction: .word _undefined_instruction
> +_software_interrupt:	.word _software_interrupt
> +_prefetch_abort:	.word _prefetch_abort
> +_data_abort:		.word _data_abort
> +_not_used:		.word _not_used
> +_irq:			.word _irq
> +_fiq:			.word _fiq
> +#else
>  _undefined_instruction: .word undefined_instruction
>  _software_interrupt:	.word software_interrupt
>  _prefetch_abort:	.word prefetch_abort
> @@ -58,6 +67,7 @@ _data_abort:		.word data_abort
>  _not_used:		.word not_used
>  _irq:			.word irq
>  _fiq:			.word fiq
> +#endif	/* CONFIG_SPL_BUILD */
>  
>  	.balignl 16,0xdeadbeef
>  
> @@ -167,6 +177,7 @@ stack_setup:
>  
>  	adr	r0, _start
>  	cmp	r0, r6
> +	moveq	r9, #0		/* no relocation. relocation offset(r9) = 0 */
Hi Allen,

I have already do a patch to fix all the arm common issue:

http://patchwork.ozlabs.org/patch/174471/
[V2] arm: Fixed the offset for the no relocation.

Thanks,
hongbo
>  	beq	clear_bss		/* skip relocation */
>  	mov	r1, r6			/* r1 <- scratch for copy_loop */
>  	ldr	r3, _bss_start_ofs
> @@ -427,6 +438,7 @@ lock_loop:
>  	mov	pc, lr
>  
>  
> +#ifndef CONFIG_SPL_BUILD
>  /*
>   *************************************************************************
>   *
> @@ -589,6 +601,7 @@ fiq:
>  	bl	do_fiq
>  
>  #endif
> +#endif /* CONFIG_SPL_BUILD */
>  
>  #if defined(CONFIG_NETARM)
>  	.align	5
> 
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