1 /*- 2 * Copyright (c) 1996 Berkeley Software Design, Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 3. Berkeley Software Design Inc's name may not be used to endorse or 13 * promote products derived from this software without specific prior 14 * written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY BERKELEY SOFTWARE DESIGN INC ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL BERKELEY SOFTWARE DESIGN INC BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * from BSDI $Id: ktr.h,v 1.10.2.7 2000/03/16 21:44:42 cp Exp $ 29 * $FreeBSD$ 30 */ 31 32 #ifndef _MACHINE_KTR_H_ 33 #define _MACHINE_KTR_H_ 34 35 #include <sys/ktr.h> 36 37 #ifdef LOCORE 38 39 /* 40 * XXX could really use another register ... 41 */ 42 #define ATR(desc, r1, r2, r3, l1, l2) \ 43 .sect .rodata ; \ 44 l1: .asciz desc ; \ 45 .previous ; \ 46 SET(ktr_idx, r2, r1) ; \ 47 lduw [r1], r2 ; \ 48 l2: add r2, 1, r3 ; \ 49 set KTR_ENTRIES - 1, r1 ; \ 50 and r3, r1, r3 ; \ 51 set ktr_idx, r1 ; \ 52 casa [r1] ASI_N, r2, r3 ; \ 53 cmp r2, r3 ; \ 54 bne %icc, l2 ## b ; \ 55 mov r3, r2 ; \ 56 SET(ktr_buf, r3, r1) ; \ 57 ldx [r1], r1 ; \ 58 mulx r2, KTR_SIZEOF, r2 ; \ 59 add r1, r2, r1 ; \ 60 rd %tick, r2 ; \ 61 stx r2, [r1 + KTR_TIMESTAMP] ; \ 62 lduw [PCPU(CPUID)], r2 ; \ 63 stw r2, [r1 + KTR_CPU] ; \ 64 stw %g0, [r1 + KTR_LINE] ; \ 65 stx %g0, [r1 + KTR_FILE] ; \ 66 SET(l1 ## b, r3, r2) ; \ 67 stx r2, [r1 + KTR_DESC] 68 69 #define CATR(mask, desc, r1, r2, r3, l1, l2, l3) \ 70 setx mask, r3, r1 ; \ 71 setx ktr_mask, r3, r2 ; \ 72 ldx [r2], r2 ; \ 73 and r2, r1, r1 ; \ 74 brz r1, l3 ## f ; \ 75 nop ; \ 76 lduw [PCPU(CPUID)], r2 ; \ 77 mov _NCPUBITS, r3 ; \ 78 udivx r2, r3, r2 ; \ 79 srl r2, 0, r2 ; \ 80 sllx r2, PTR_SHIFT, r2 ; \ 81 SET(ktr_cpumask, r3, r1) ; \ 82 ldx [r1 + r2], r1 ; \ 83 lduw [PCPU(CPUID)], r2 ; \ 84 mov _NCPUBITS, r3 ; \ 85 udivx r2, r3, r2 ; \ 86 srl r2, 0, r2 ; \ 87 smul r2, r3, r3 ; \ 88 lduw [PCPU(CPUID)], r2 ; \ 89 sub r2, r3, r3 ; \ 90 mov 1, r2 ; \ 91 sllx r2, r3, r2 ; \ 92 andn r1, r2, r1 ; \ 93 brz r1, l3 ## f ; \ 94 nop ; \ 95 ATR(desc, r1, r2, r3, l1, l2) 96 97 #endif /* LOCORE */ 98 99 #endif /* !_MACHINE_KTR_H_ */ 100