From 8401707ff645521e9f21cbb8fe3b138f60e85680 Mon Sep 17 00:00:00 2001 From: Konrad Eisele Date: Mon, 31 Aug 2009 22:08:13 +0000 Subject: sparc,leon: Sparc-Leon SMP support Support SMP for a Sparc-Leon multiprocessor system. Add Leon specific SMP code to arch/sparc/kernel/leon_smp.c. Signed-off-by: Konrad Eisele Signed-off-by: David S. Miller --- arch/sparc/include/asm/smp_32.h | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'arch/sparc/include/asm/smp_32.h') diff --git a/arch/sparc/include/asm/smp_32.h b/arch/sparc/include/asm/smp_32.h index 58101dc7049..841905c1021 100644 --- a/arch/sparc/include/asm/smp_32.h +++ b/arch/sparc/include/asm/smp_32.h @@ -106,6 +106,15 @@ static inline int hard_smp4d_processor_id(void) return cpuid; } +extern inline int hard_smpleon_processor_id(void) +{ + int cpuid; + __asm__ __volatile__("rd %%asr17,%0\n\t" + "srl %0,28,%0" : + "=&r" (cpuid) : ); + return cpuid; +} + #ifndef MODULE static inline int hard_smp_processor_id(void) { -- cgit v1.2.3-70-g09d2