[PATCH 1/2] powerpc/booke64: Use common defines for AltiVec interrupts numbers

Alexander Graf agraf at suse.de
Tue Jul 2 10:18:21 EST 2013


On 01.07.2013, at 17:35, Mihai Caraman wrote:

> On Book3E some SPE/FP/AltiVec interrupts share the same number. Use
> common defines to indentify these numbers.

So why didn't this happen from the beginning? Why the change?


Alex

> 
> Signed-off-by: Mihai Caraman <mihai.caraman at freescale.com>
> ---
> arch/powerpc/kernel/exceptions-64e.S |    5 +++--
> 1 files changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S
> index 645170a..0c379e9 100644
> --- a/arch/powerpc/kernel/exceptions-64e.S
> +++ b/arch/powerpc/kernel/exceptions-64e.S
> @@ -399,7 +399,7 @@ interrupt_end_book3e:
> 
> /* Altivec Unavailable Interrupt */
> 	START_EXCEPTION(altivec_unavailable);
> -	NORMAL_EXCEPTION_PROLOG(0x200, BOOKE_INTERRUPT_ALTIVEC_UNAVAIL,
> +	NORMAL_EXCEPTION_PROLOG(0x200, BOOKE_INTERRUPT_SPE_ALTIVEC_UNAVAIL,
> 				PROLOG_ADDITION_NONE)
> 	/* we can probably do a shorter exception entry for that one... */
> 	EXCEPTION_COMMON(0x200, PACA_EXGEN, INTS_KEEP)
> @@ -421,7 +421,8 @@ END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
> 
> /* AltiVec Assist */
> 	START_EXCEPTION(altivec_assist);
> -	NORMAL_EXCEPTION_PROLOG(0x220, BOOKE_INTERRUPT_ALTIVEC_ASSIST,
> +	NORMAL_EXCEPTION_PROLOG(0x220,
> +				BOOKE_INTERRUPT_SPE_FP_DATA_ALTIVEC_ASSIST,
> 				PROLOG_ADDITION_NONE)
> 	EXCEPTION_COMMON(0x220, PACA_EXGEN, INTS_DISABLE)
> 	bl	.save_nvgprs
> -- 
> 1.7.3.4
> 
> 
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