Re: [Xen-devel] [PATCH] arm: handy macro to force a break point in the Fast Model.

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Mon, 2012-07-23 at 16:04 +0100, Ian Campbell wrote:
> Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

Just sending this for the benefit of the archives, not really worth
applying, I don't think.

> ---
>  xen/include/asm-arm/debugger.h |    7 +++++++
>  1 files changed, 7 insertions(+), 0 deletions(-)
> 
> diff --git a/xen/include/asm-arm/debugger.h b/xen/include/asm-arm/debugger.h
> index 452613a..8c6f527 100644
> --- a/xen/include/asm-arm/debugger.h
> +++ b/xen/include/asm-arm/debugger.h
> @@ -4,6 +4,13 @@
>  #define debugger_trap_fatal(v, r) ((void) 0)
>  #define debugger_trap_immediate() ((void) 0)
>  
> +/* Trigger a break point in the fast model... */
> +#define MODEL_BKPT() asm volatile(\
> +       "mov r0, #0x18;\n /* angel_SWIreason_ReportException */\n"\
> +       "mov r1, #0x20000;/* 0x20020= ADP_Stopped_BreakPoint */\n"\
> +       "orr r1, r1, #0x20;\n"\
> +       "swi 0x123456;\n" ::: "r0", "r1")
> +
>  #endif /* __ARM_DEBUGGER_H__ */
>  /*
>   * Local variables:



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