freebsd-dev/sys/alpha/include/smp.h
John Baldwin 091e8307d0 Add stoppcbs[] arrays on Alpha and sparc64 and have each CPU save its
current context in the IPI_STOP handler so that we can get accurate stack
traces of threads on other CPUs on these two archs like we do now on i386
and amd64.

Tested on:	alpha, sparc64
2005-11-03 21:08:20 +00:00

42 lines
1.1 KiB
C

/*-
* ----------------------------------------------------------------------------
* "THE BEER-WARE LICENSE" (Revision 42):
* <phk@FreeBSD.org> wrote this file. As long as you retain this notice you
* can do whatever you want with this stuff. If we meet some day, and you think
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
* ----------------------------------------------------------------------------
*
* $FreeBSD$
*
*/
#ifndef _MACHINE_SMP_H_
#define _MACHINE_SMP_H_
#ifdef _KERNEL
/*
* Interprocessor interrupts for SMP.
*/
#define IPI_INVLTLB 0x0001
#define IPI_RENDEZVOUS 0x0002
#define IPI_AST 0x0004
#define IPI_CHECKSTATE 0x0008
#define IPI_STOP 0x0010
#ifndef LOCORE
extern u_int64_t boot_cpu_id;
extern struct pcb stoppcbs[];
void ipi_selected(u_int cpus, u_int64_t ipi);
void ipi_all(u_int64_t ipi);
void ipi_all_but_self(u_int64_t ipi);
void ipi_self(u_int64_t ipi);
void smp_handle_ipi(struct trapframe *frame);
void smp_init_secondary(void);
#endif /* !LOCORE */
#endif /* _KERNEL */
#endif /* _MACHINE_SMP_H_ */