1*30263Skarels /* 2*30263Skarels * Copyright (c) 1986 Regents of the University of California. 3*30263Skarels * All rights reserved. The Berkeley software License Agreement 4*30263Skarels * specifies the terms and conditions for redistribution. 5*30263Skarels * 6*30263Skarels * @(#)cpu.h 1.1 (Berkeley) 12/08/86 7*30263Skarels */ 8*30263Skarels 9*30263Skarels /* 10*30263Skarels * Assorted definitions unique to TAHOE CPU support. 11*30263Skarels */ 12*30263Skarels 13*30263Skarels #define uncache(v) mtpr(PDCS, (caddr_t)(v)) 14*30263Skarels #define movow(a,w) _movow((u_short *)(a), (u_short)(w)) 15*30263Skarels #define movob(a,b) _movob((u_char *)(a), (u_char)(b)) 16*30263Skarels 17*30263Skarels #define resettodr() /* no todr to set */ 18*30263Skarels 19*30263Skarels #ifndef LOCORE 20*30263Skarels #ifdef KERNEL 21*30263Skarels char ckey_cache[NCKEY]; /* 1 =>'s key i may be in code cache */ 22*30263Skarels short ckey_cnt[NCKEY]; /* code key reference count */ 23*30263Skarels char dkey_cache[NDKEY]; /* 1 =>'s key i may be in data cache */ 24*30263Skarels short dkey_cnt[NDKEY]; /* data key reference count */ 25*30263Skarels #endif 26*30263Skarels 27*30263Skarels /* 28*30263Skarels * Statistics maintained for code and 29*30263Skarels * data cache key allocations algorithms. 30*30263Skarels */ 31*30263Skarels struct keystats { 32*30263Skarels long ks_allocs; /* number of keys allocated */ 33*30263Skarels long ks_free; /* key allocated from free slot */ 34*30263Skarels long ks_norefs; /* key marked in use, but refcnt 0 */ 35*30263Skarels long ks_taken; /* key taken from single process */ 36*30263Skarels long ks_shared; /* key taken from multiple processes */ 37*30263Skarels }; 38*30263Skarels #endif 39*30263Skarels 40*30263Skarels long *user_psl; /* user mode psl for ast's */ 41*30263Skarels int intenable; /* interrupts enable startup flag */ 42*30263Skarels int clk_enable; /* clock enable startup flag */ 43*30263Skarels 44*30263Skarels /* 45*30263Skarels * Enable realtime clock. 46*30263Skarels */ 47*30263Skarels #define enablertclock() (clk_enable = 1) 48