eefa6312dd
We don't support SMP on ARMv6. All ARMv7 multicore cpus already uses hardware broadcast for TLB and cache operations.
58 lines
1.3 KiB
C
58 lines
1.3 KiB
C
/* $FreeBSD$ */
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#ifndef _MACHINE_SMP_H_
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#define _MACHINE_SMP_H_
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#include <sys/_cpuset.h>
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#include <machine/pcb.h>
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#ifdef ARM_INTRNG
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enum {
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IPI_AST,
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IPI_PREEMPT,
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IPI_RENDEZVOUS,
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IPI_STOP,
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IPI_STOP_HARD = IPI_STOP, /* These are synonyms on arm. */
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IPI_HARDCLOCK,
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IPI_TLB, /* Not used now, but keep it reserved. */
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IPI_CACHE, /* Not used now, but keep it reserved. */
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INTR_IPI_COUNT
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};
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#else
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#define IPI_AST 0
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#define IPI_PREEMPT 2
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#define IPI_RENDEZVOUS 3
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#define IPI_STOP 4
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#define IPI_STOP_HARD 4
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#define IPI_HARDCLOCK 6
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#define IPI_TLB 7 /* Not used now, but keep it reserved. */
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#define IPI_CACHE 8 /* Not used now, but keep it reserved. */
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#endif /* INTRNG */
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void init_secondary(int cpu);
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void mpentry(void);
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void ipi_all_but_self(u_int ipi);
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void ipi_cpu(int cpu, u_int ipi);
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void ipi_selected(cpuset_t cpus, u_int ipi);
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/* PIC interface */
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void pic_ipi_send(cpuset_t cpus, u_int ipi);
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#ifndef ARM_INTRNG
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void pic_ipi_clear(int ipi);
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int pic_ipi_read(int arg);
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#endif
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/* Platform interface */
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void platform_mp_setmaxid(void);
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int platform_mp_probe(void);
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void platform_mp_start_ap(void);
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void platform_mp_init_secondary(void);
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void platform_ipi_send(cpuset_t cpus, u_int ipi);
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/* global data in mp_machdep.c */
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extern struct pcb stoppcbs[];
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#endif /* !_MACHINE_SMP_H_ */
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