Annotation of sys/arch/vax/include/cpu.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: cpu.h,v 1.25 2007/05/16 05:19:13 miod Exp $ */
! 2: /* $NetBSD: cpu.h,v 1.41 1999/10/21 20:01:36 ragge Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1994 Ludd, University of Lule}, Sweden
! 6: * All rights reserved.
! 7: *
! 8: * Redistribution and use in source and binary forms, with or without
! 9: * modification, are permitted provided that the following conditions
! 10: * are met:
! 11: * 1. Redistributions of source code must retain the above copyright
! 12: * notice, this list of conditions and the following disclaimer.
! 13: * 2. Redistributions in binary form must reproduce the above copyright
! 14: * notice, this list of conditions and the following disclaimer in the
! 15: * documentation and/or other materials provided with the distribution.
! 16: * 3. All advertising materials mentioning features or use of this software
! 17: * must display the following acknowledgement:
! 18: * This product includes software developed at Ludd, University of Lule}
! 19: * 4. The name of the author may not be used to endorse or promote products
! 20: * derived from this software without specific prior written permission
! 21: *
! 22: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 23: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 24: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 25: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
! 26: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
! 27: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
! 28: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
! 29: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
! 30: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
! 31: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 32: */
! 33:
! 34: #ifndef _VAX_CPU_H_
! 35: #define _VAX_CPU_H_
! 36: #ifdef _KERNEL
! 37:
! 38: #include <sys/cdefs.h>
! 39: #include <sys/device.h>
! 40: #include <sys/evcount.h>
! 41:
! 42: #include <machine/mtpr.h>
! 43: #include <machine/pte.h>
! 44: #include <machine/pcb.h>
! 45: #include <machine/uvax.h>
! 46: #include <machine/psl.h>
! 47: #include <machine/trap.h>
! 48: #include <machine/intr.h>
! 49:
! 50: #define cpu_wait(p)
! 51:
! 52: #include <sys/sched.h>
! 53: struct cpu_info {
! 54: struct proc *ci_curproc;
! 55:
! 56: struct schedstate_percpu ci_schedstate; /* scheduler state */
! 57: };
! 58:
! 59: extern struct cpu_info cpu_info_store;
! 60: #define curcpu() (&cpu_info_store)
! 61: #define cpu_number() 0
! 62: #define CPU_IS_PRIMARY(ci) 1
! 63: #define CPU_INFO_ITERATOR int
! 64: #define CPU_INFO_FOREACH(cii, ci) \
! 65: for (cii = 0, ci = curcpu(); ci != NULL; ci = NULL)
! 66:
! 67: /*
! 68: * All cpu-dependent info is kept in this struct. Pointer to the
! 69: * struct for the current cpu is set up in locore.c.
! 70: */
! 71: struct cpu_dep {
! 72: void (*cpu_steal_pages)(void); /* pmap init before mm is on */
! 73: int (*cpu_mchk)(caddr_t); /* Machine check handling */
! 74: void (*cpu_memerr)(void); /* Memory subsystem errors */
! 75: /* Autoconfiguration */
! 76: void (*cpu_conf)(void);
! 77: int (*cpu_clkread)(time_t); /* Read cpu clock time */
! 78: void (*cpu_clkwrite)(void); /* Write system time to cpu */
! 79: short cpu_vups; /* speed of cpu */
! 80: short cpu_scbsz; /* (estimated) size of system control block */
! 81: void (*cpu_halt)(void); /* Cpu dependent halt call */
! 82: void (*cpu_reboot)(int); /* Cpu dependent reboot call */
! 83: void (*cpu_clrf)(void); /* Clear cold/warm start flags */
! 84: void (*cpu_subconf)(struct device *);/*config cpu dep. devs */
! 85: };
! 86:
! 87: extern struct cpu_dep *dep_call; /* Holds pointer to current CPU struct. */
! 88:
! 89: struct clockframe {
! 90: int pc;
! 91: int ps;
! 92: };
! 93:
! 94: extern struct device *booted_from;
! 95: extern int mastercpu;
! 96: extern int bootdev;
! 97:
! 98: #define setsoftnet() mtpr(IPL_SOFTNET,PR_SIRR)
! 99: #define setsoftclock() mtpr(IPL_SOFTCLOCK,PR_SIRR)
! 100: #define todr() mfpr(PR_TODR)
! 101: /*
! 102: * Preempt the current process if in interrupt from user mode,
! 103: * or after the current trap/syscall if in system mode.
! 104: */
! 105:
! 106: #define need_resched(ci){ \
! 107: want_resched++; \
! 108: mtpr(AST_OK,PR_ASTLVL); \
! 109: }
! 110:
! 111: /*
! 112: * Notify the current process (p) that it has a signal pending,
! 113: * process as soon as possible.
! 114: */
! 115:
! 116: #define signotify(p) mtpr(AST_OK,PR_ASTLVL);
! 117:
! 118: extern int want_resched; /* resched() was called */
! 119:
! 120: /*
! 121: * This is used during profiling to integrate system time.
! 122: */
! 123: #define PROC_PC(p) (((struct trapframe *)((p)->p_addr->u_pcb.framep))->pc)
! 124:
! 125: /*
! 126: * Give a profiling tick to the current process when the user profiling
! 127: * buffer pages are invalid. On the vax, request an ast to send us
! 128: * through trap, marking the proc as needing a profiling tick.
! 129: */
! 130: #define need_proftick(p) mtpr(AST_OK,PR_ASTLVL)
! 131:
! 132: /*
! 133: * This defines the I/O device register space size in pages.
! 134: */
! 135: #define IOSPSZ ((64*1024) / VAX_NBPG) /* 64k == 128 pages */
! 136:
! 137: struct device;
! 138:
! 139: extern char cpu_model[100];
! 140:
! 141: /* Some low-level prototypes */
! 142: int badaddr(caddr_t, int);
! 143: void dumpconf(void);
! 144: void dumpsys(void);
! 145: void swapconf(void);
! 146: void disk_printtype(int, int);
! 147: void disk_reallymapin(struct buf *, pt_entry_t *, int, int);
! 148: vaddr_t vax_map_physmem(paddr_t, int);
! 149: void vax_unmap_physmem(vaddr_t, int);
! 150: void ioaccess(vaddr_t, paddr_t, int);
! 151: void iounaccess(vaddr_t, int);
! 152: void findcpu(void);
! 153: #ifdef DDB
! 154: int kdbrint(int);
! 155: #endif
! 156: #endif /* _KERNEL */
! 157:
! 158: /*
! 159: * CTL_MACHDEP definitions.
! 160: */
! 161: #define CPU_CONSDEV 1 /* dev_t: console terminal device */
! 162: #define CPU_LED_BLINK 2 /* int: display led patterns */
! 163: #define CPU_MAXID 3 /* number of valid machdep ids */
! 164:
! 165: #define CTL_MACHDEP_NAMES { \
! 166: { 0, 0 }, \
! 167: { "console_device", CTLTYPE_STRUCT }, \
! 168: { "led_blink", CTLTYPE_INT } \
! 169: }
! 170:
! 171: #endif /* _VAX_CPU_H_ */
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