862184fe01
Add SMP support for the MPcore tile fitted to the Realview ARM platform. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
32 lines
502 B
C
32 lines
502 B
C
#ifndef ASMARM_ARCH_SMP_H
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#define ASMARM_ARCH_SMP_H
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#include <linux/config.h>
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#include <asm/hardware/gic.h>
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#define hard_smp_processor_id() \
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({ \
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unsigned int cpunum; \
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__asm__("mrc p15, 0, %0, c0, c0, 5" \
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: "=r" (cpunum)); \
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cpunum &= 0x0F; \
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})
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/*
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* We use IRQ1 as the IPI
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*/
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static inline void smp_cross_call(cpumask_t callmap)
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{
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gic_raise_softirq(callmap, 1);
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}
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/*
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* Do nothing on MPcore.
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*/
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static inline void smp_cross_call_done(cpumask_t callmap)
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{
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}
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#endif
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