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Break out the MP-dependent calls. Add definitions for the IPI functions.

This commit is contained in:
ragge 2001-06-03 15:12:57 +00:00
parent d0a8785b5e
commit e2f864bf95
1 changed files with 40 additions and 7 deletions
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47
sys/arch/vax/include/cpu.h
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@ -1,4 +1,4 @@
/* $NetBSD: cpu.h,v 1.57 2001/05/30 12:28:52 mrg Exp $ */
/* $NetBSD: cpu.h,v 1.58 2001/06/03 15:12:57 ragge Exp $ */
/*
* Copyright (c) 1994 Ludd, University of Lule}, Sweden
@ -75,12 +75,30 @@ struct cpu_dep {
void (*cpu_clrf)(void); /* Clear cold/warm start flags */
void (*cpu_subconf)(struct device *);/*config cpu dep. devs */
int cpu_flags;
#if defined(MULTIPROCESSOR)
/* Kick off slave cpu */
void (*cpu_startslave)(struct device *, struct cpu_info *);
#endif
void (*cpu_badaddr)(void); /* cpu-specific badaddr() */
};
#if defined(MULTIPROCESSOR)
/*
* All cpu-dependent calls for multicpu systems goes here.
*/
struct cpu_mp_dep {
void (*cpu_startslave)(struct device *, struct cpu_info *);
void (*cpu_send_ipi)(struct device *dest);
void (*cpu_cnintr)(void);
};
/*
* NOTE: This is not bit mask, this is bit _number_.
*/
#define IPI_START_CNTX 1 /* Start console transmitter, proc out */
#define IPI_SEND_CNCHAR 2 /* Write char to console, kernel printf */
#define IPI_RUNNING 3 /* This CPU just started to run */
#define IPI_DEST_MASTER -1 /* Destination is mastercpu */
#define IPI_DEST_ALL -2 /* Broadcast */
extern struct cpu_mp_dep *mp_dep_call;
#endif /* defined(MULTIPROCESSOR) */
#define CPU_RAISEIPL 1 /* Must raise IPL until intr is handled */
@ -113,21 +131,34 @@ struct cpu_info {
struct pcb *ci_pcb; /* Idle PCB for this CPU */
vaddr_t ci_istack; /* Interrupt stack location */
int ci_flags; /* See below */
long ci_ipimsgs; /* Sent IPI bits */
#endif
};
#define CI_MASTERCPU 1 /* Set if master CPU */
#define CI_RUNNING 2 /* Set when a slave CPU is running */
#if defined(MULTIPROCESSOR)
/*
* "helper" struct. All multicpu systems must have the first two field
* of its cpu softc like this. (used in multicpu.c).
*/
struct cpu_mp_softc {
struct device sc_dev;
struct cpu_info sc_ci;
};
#endif /* defined(MULTIPROCESSOR) */
#define curcpu() ((struct cpu_info *)mfpr(PR_SSP))
#define curproc (curcpu()->ci_curproc)
#define cpu_number() (curcpu()->ci_dev->dv_unit)
#define ci_cpuid ci_dev->dv_unit
#define need_resched(ci) {(ci)->ci_want_resched++; mtpr(AST_OK,PR_ASTLVL); }
#if defined(MULTIPROCESSOR)
#define CPU_IS_PRIMARY(ci) (ci->ci_flags & CI_MASTERCPU)
#define CPU_IS_PRIMARY(ci) ((ci)->ci_flags & CI_MASTERCPU)
extern char tramp;
#endif
#define NO_KPRINTF_SPINLOCK /* Separate consoles */
/*
* Notify the current process (p) that it has a signal pending,
@ -153,8 +184,10 @@ struct device;
/* Some low-level prototypes */
#if defined(MULTIPROCESSOR)
struct cpu_info *cpu_slavesetup(struct device *);
void cpu_slavesetup(struct device *);
void cpu_boot_secondary_processors(void);
void cpu_send_ipi(int, int);
void cpu_handle_ipi(void);
#endif
int badaddr(caddr_t, int);
void cpu_swapin(struct proc *);