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| author |   Daniel Hellstrom <daniel@gaisler.com> | 2011-04-25 21:43:48 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2011-05-16 13:03:28 -0700 |
| commit | 5149bed8912f4030f52feb33326cfe794831b184 (patch) | |
| tree | 72bf22715bcad48b3cdc42f9c734bc9dd42d23fe /arch/sparc/include/asm/smp_32.h | |
| parent | sparc32,leon: don't rely on bootloader to mask IRQs (diff) | |
| download | linux-dev-5149bed8912f4030f52feb33326cfe794831b184.tar.xz linux-dev-5149bed8912f4030f52feb33326cfe794831b184.zip | |
sparc32,leon: added some SMP comments
Signed-off-by: Daniel Hellstrom <daniel@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 | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/smp_32.h b/arch/sparc/include/asm/smp_32.h index d82d7f4c0a79..d7837dcb2525 100644 --- a/arch/sparc/include/asm/smp_32.h +++ b/arch/sparc/include/asm/smp_32.h @@ -135,6 +135,11 @@ static inline int hard_smp_processor_id(void) __asm__ __volatile__("lda [%g0] ASI_M_VIKING_TMP1, %0\n\t" "nop; nop" : "=&r" (cpuid)); + - leon + __asm__ __volatile__( "rd %asr17, %0\n\t" + "srl %0, 0x1c, %0\n\t" + "nop\n\t" : + "=&r" (cpuid)); See btfixup.h and btfixupprep.c to understand how a blackbox works. */ __asm__ __volatile__("sethi %%hi(___b_hard_smp_processor_id), %0\n\t" |