1*34407Skarels /* 2*34407Skarels * Copyright (c) 1988 Regents of the University of California. 3*34407Skarels * All rights reserved. The Berkeley software License Agreement 4*34407Skarels * specifies the terms and conditions for redistribution. 5*34407Skarels * 6*34407Skarels * @(#)kdbparam.h 7.7 (Berkeley) 05/21/88 7*34407Skarels */ 830114Ssam 930114Ssam #define DBNAME "kdb\n" 1030114Ssam #define LPRMODE "%R" 1130114Ssam #define OFFMODE "+%R" 1230114Ssam 1330114Ssam #define MAXINT 0x7fffffff 1430114Ssam #define MAXSTOR (KERNBASE - ctob(UPAGES)) 1530114Ssam 1630134Ssam #define ENTRYMASK 1 /* check for entry masks */ 1730135Ssam #define ishiddenreg(p) ((p) <= ®list[8]) 1830134Ssam 1930114Ssam #define BPT 0x30 2030114Ssam #define KCALL 0xcf 2130114Ssam #define CASEL 0xfc 2230114Ssam #define TBIT 0x10 2330114Ssam 2430628Skarels #define KDB_IPL 0xf /* highest priority software interrupt */ 2530628Skarels #define setsoftkdb() mtpr(SIRR, KDB_IPL) 2630628Skarels 2730134Ssam #define clrsstep() (pcb.pcb_psl &= ~TBIT) 2830134Ssam #define setsstep() (pcb.pcb_psl |= TBIT) 2930134Ssam 3030114Ssam #define SETBP(ins) ((BPT<<24) | ((ins) & 0xffffff)) 3130114Ssam 3230297Ssam #define getprevpc(fp) get((off_t)(fp)-8, DSP) /* pc of caller */ 3330297Ssam #define getprevframe(fp) (get((off_t)(fp), DSP)&~3) /* fp of caller */ 3430297Ssam #define getnargs(fp) (((get((off_t)(fp)-4, DSP)&0xffff)-4)/4) 3530134Ssam #define nextarg(ap) ((ap) + 4) /* next argument in list */ 3630134Ssam #define NOFRAME 0 /* fp at top of call stack */ 3730114Ssam 3830297Ssam #define issignalpc(pc) ((unsigned)MAXSTOR < (pc) && (pc) < (unsigned)KERNBASE) 3930297Ssam #define getsignalpc(fp) get((off_t)(fp)+44, DSP)/* pc of caller before signal */ 4030134Ssam 4130114Ssam #define leng(a) ((long)((unsigned)(a))) 4230114Ssam #define shorten(a) (((a) >> 16) & 0xffff) 4330297Ssam #define itol(a,b) ((long)(((a) << 16) | ((b) & 0xffff))) 4430114Ssam #define byte(a) (((a) >> 24) & 0xff) 4530297Ssam #define btol(a) ((long)((a) << 24)) 4630114Ssam 4730134Ssam /* check for address wrap around */ 4830134Ssam #define addrwrap(oaddr,newaddr) \ 4930134Ssam (((oaddr)^(newaddr)) >> 24) 5030114Ssam /* 5130114Ssam * INSTACK tells whether its argument is a stack address. 5230114Ssam * INUDOT tells whether its argument is in the (extended) u. area. 5330114Ssam * These are used for consistency checking and dont have to be exact. 5430114Ssam * 5530114Ssam * INKERNEL tells whether its argument is a kernel space address. 5630114Ssam * KVTOPH trims a kernel virtal address back to its offset 5730114Ssam * in the kernel address space. 5830114Ssam */ 5930114Ssam #define INSTACK(x) (((int)(x)&0xf0000000) == 0xb0000000) 6030114Ssam #define INUDOT(x) (((int)(x)&0xf0000000) == 0xb0000000) 6130114Ssam #define INKERNEL(x) (((int)(x)&0xf0000000) == 0xc0000000) 6230114Ssam 6330114Ssam #define KERNOFF (KERNBASE + 0x800) /* start of kernel's text */ 6430628Skarels /* #define KVTOPH(x) ((x)&~ 0xc0000000) sometimes */ 65