From 6b3087c64a92a36ae20d33479b4df6d7afc910d4 Mon Sep 17 00:00:00 2001 From: Graf Yang Date: Wed, 7 Jan 2009 23:14:39 +0800 Subject: Blackfin arch: SMP supporting patchset: Blackfin header files and machine common code Blackfin dual core BF561 processor can support SMP like features. https://docs.blackfin.uclinux.org/doku.php?id=linux-kernel:smp-like In this patch, we provide SMP extend to Blackfin header files and machine common code Signed-off-by: Graf Yang Signed-off-by: Bryan Wu --- arch/blackfin/include/asm/context.S | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'arch/blackfin/include/asm/context.S') diff --git a/arch/blackfin/include/asm/context.S b/arch/blackfin/include/asm/context.S index c0e630edfb9a..40d20b4a9b1f 100644 --- a/arch/blackfin/include/asm/context.S +++ b/arch/blackfin/include/asm/context.S @@ -303,9 +303,14 @@ RETI = [sp++]; RETS = [sp++]; +#ifdef CONFIG_SMP + GET_PDA(p0, r0); + r0 = [p0 + PDA_IRQFLAGS]; +#else p0.h = _irq_flags; p0.l = _irq_flags; r0 = [p0]; +#endif sti r0; sp += 4; /* Skip Reserved */ @@ -352,4 +357,3 @@ SYSCFG = [sp++]; csync; .endm - -- cgit v1.2.1