Re: [PATCH] arm: fix u-boot port syscall interface va_arg handling (was Re: [PATCH] [ARM] Enable boot module for arm)

[Vladimir 'φ-coder/phcoder' Serbinenko]

On 16.11.2013 15:28, Leif Lindholm wrote:
> Argh...
> 
> I pushed the above, and almost immediately I realised that in this
> situation we also need to store u-boot's version of r9 on return:
> 
> diff --git a/grub-core/kern/arm/uboot/startup.S 
> b/grub-core/kern/arm/uboot/start
> index df1e329..26313ba 100644
> --- a/grub-core/kern/arm/uboot/startup.S
> +++ b/grub-core/kern/arm/uboot/startup.S
> @@ -138,6 +138,7 @@ FUNCTION(grub_uboot_syscall)
>         mov     lr, pc
>         ldr     pc, grub_uboot_syscall_ptr
>         str     r8, gd_backup
> +       str     r9, gd_backup + 4
>  
>         ldr     r8, transition_space
>         ldr     lr, transition_space + 4
> 
> Can I push this fix too?
> 
But why does global pointer change at all?
What about exit function?
> /
>     Leif

signature.asc
Description: OpenPGP digital signature