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| author |   Konrad Eisele <konrad@gaisler.com> | 2009-08-31 22:08:13 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2009-11-02 04:19:42 -0800 |
| commit | 8401707ff645521e9f21cbb8fe3b138f60e85680 (patch) | |
| tree | 114287cf273b57f96d0e132cd2274c7afe60b120 /arch/sparc/include/asm/smp_32.h | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6 (diff) | |
| download | linux-dev-8401707ff645521e9f21cbb8fe3b138f60e85680.tar.xz linux-dev-8401707ff645521e9f21cbb8fe3b138f60e85680.zip | |
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 <konrad@gaisler.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/include/asm/smp_32.h')
| -rw-r--r-- | arch/sparc/include/asm/smp_32.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/smp_32.h b/arch/sparc/include/asm/smp_32.h index 58101dc70493..841905c10215 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) { |