1*fcf3ce44SJohn Forte/* 2*fcf3ce44SJohn Forte * CDDL HEADER START 3*fcf3ce44SJohn Forte * 4*fcf3ce44SJohn Forte * The contents of this file are subject to the terms of the 5*fcf3ce44SJohn Forte * Common Development and Distribution License (the "License"). 6*fcf3ce44SJohn Forte * You may not use this file except in compliance with the License. 7*fcf3ce44SJohn Forte * 8*fcf3ce44SJohn Forte * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9*fcf3ce44SJohn Forte * or http://www.opensolaris.org/os/licensing. 10*fcf3ce44SJohn Forte * See the License for the specific language governing permissions 11*fcf3ce44SJohn Forte * and limitations under the License. 12*fcf3ce44SJohn Forte * 13*fcf3ce44SJohn Forte * When distributing Covered Code, include this CDDL HEADER in each 14*fcf3ce44SJohn Forte * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15*fcf3ce44SJohn Forte * If applicable, add the following below this CDDL HEADER, with the 16*fcf3ce44SJohn Forte * fields enclosed by brackets "[]" replaced with your own identifying 17*fcf3ce44SJohn Forte * information: Portions Copyright [yyyy] [name of copyright owner] 18*fcf3ce44SJohn Forte * 19*fcf3ce44SJohn Forte * CDDL HEADER END 20*fcf3ce44SJohn Forte */ 21*fcf3ce44SJohn Forte/* 22*fcf3ce44SJohn Forte * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23*fcf3ce44SJohn Forte * Use is subject to license terms. 24*fcf3ce44SJohn Forte */ 25*fcf3ce44SJohn Forte 26*fcf3ce44SJohn Forte#if defined(lint) || defined(DS_DDICT) 27*fcf3ce44SJohn Forte#include <sys/types.h> 28*fcf3ce44SJohn Forte#include <sys/param.h> 29*fcf3ce44SJohn Forte#else 30*fcf3ce44SJohn Forte#include <sys/asm_linkage.h> 31*fcf3ce44SJohn Forte#endif 32*fcf3ce44SJohn Forte 33*fcf3ce44SJohn Forte#ifdef DS_DDICT 34*fcf3ce44SJohn Forte#define uint8_t uchar_t 35*fcf3ce44SJohn Forte#endif 36*fcf3ce44SJohn Forte 37*fcf3ce44SJohn Forte 38*fcf3ce44SJohn Forte/* 39*fcf3ce44SJohn Forte * Special support routines that can't be done with C 40*fcf3ce44SJohn Forte */ 41*fcf3ce44SJohn Forte 42*fcf3ce44SJohn Forte 43*fcf3ce44SJohn Forte/* 44*fcf3ce44SJohn Forte * uint8_t nsc_ldstub(uint8_t *cp) 45*fcf3ce44SJohn Forte * 46*fcf3ce44SJohn Forte * Store 0xFF at the specified location, and return its previous content. 47*fcf3ce44SJohn Forte */ 48*fcf3ce44SJohn Forte 49*fcf3ce44SJohn Forte#if defined(lint) || defined(DS_DDICT) 50*fcf3ce44SJohn Forteuint8_t 51*fcf3ce44SJohn Fortensc_ldstub(uint8_t *cp) 52*fcf3ce44SJohn Forte{ 53*fcf3ce44SJohn Forte uint8_t rv; 54*fcf3ce44SJohn Forte rv = *cp; 55*fcf3ce44SJohn Forte *cp = 0xFF; 56*fcf3ce44SJohn Forte return (rv); 57*fcf3ce44SJohn Forte} 58*fcf3ce44SJohn Forte#else 59*fcf3ce44SJohn Forte 60*fcf3ce44SJohn Forte ENTRY(nsc_ldstub) 61*fcf3ce44SJohn Forte retl 62*fcf3ce44SJohn Forte ldstub [%o0], %o0 63*fcf3ce44SJohn Forte SET_SIZE(nsc_ldstub) 64*fcf3ce44SJohn Forte 65*fcf3ce44SJohn Forte#endif /* lint || DS_DDICT */ 66*fcf3ce44SJohn Forte 67*fcf3ce44SJohn Forte 68*fcf3ce44SJohn Forte/* 69*fcf3ce44SJohn Forte * nsc_membar_stld(void) 70*fcf3ce44SJohn Forte * 71*fcf3ce44SJohn Forte * C callable interface to SPARC asm membar instruction. 72*fcf3ce44SJohn Forte */ 73*fcf3ce44SJohn Forte 74*fcf3ce44SJohn Forte#if defined(lint) || defined(DS_DDICT) 75*fcf3ce44SJohn Fortevoid 76*fcf3ce44SJohn Fortensc_membar_stld(void) 77*fcf3ce44SJohn Forte{} 78*fcf3ce44SJohn Forte#else 79*fcf3ce44SJohn Forte 80*fcf3ce44SJohn Forte ENTRY(nsc_membar_stld) 81*fcf3ce44SJohn Forte retl 82*fcf3ce44SJohn Forte membar #StoreLoad 83*fcf3ce44SJohn Forte SET_SIZE(nsc_membar_stld) 84*fcf3ce44SJohn Forte 85*fcf3ce44SJohn Forte#endif /* lint || DS_DDICT */ 86*fcf3ce44SJohn Forte 87*fcf3ce44SJohn Forte 88*fcf3ce44SJohn Forte/* 89*fcf3ce44SJohn Forte * if a() calls b() calls nsc_caller(), 90*fcf3ce44SJohn Forte * nsc_caller() returns return address in a(). 91*fcf3ce44SJohn Forte */ 92*fcf3ce44SJohn Forte 93*fcf3ce44SJohn Forte#if defined(lint) || defined(DS_DDICT) 94*fcf3ce44SJohn Fortecaddr_t 95*fcf3ce44SJohn Fortensc_caller(void) 96*fcf3ce44SJohn Forte{ 97*fcf3ce44SJohn Forte return (0); 98*fcf3ce44SJohn Forte} 99*fcf3ce44SJohn Forte#else 100*fcf3ce44SJohn Forte 101*fcf3ce44SJohn Forte ENTRY(nsc_caller) 102*fcf3ce44SJohn Forte retl 103*fcf3ce44SJohn Forte mov %i7, %o0 104*fcf3ce44SJohn Forte SET_SIZE(nsc_caller) 105*fcf3ce44SJohn Forte 106*fcf3ce44SJohn Forte#endif /* lint || DS_DDICT */ 107*fcf3ce44SJohn Forte 108*fcf3ce44SJohn Forte 109*fcf3ce44SJohn Forte/* 110*fcf3ce44SJohn Forte * if a() calls nsc_callee(), nsc_callee() returns the 111*fcf3ce44SJohn Forte * return address in a(); 112*fcf3ce44SJohn Forte */ 113*fcf3ce44SJohn Forte 114*fcf3ce44SJohn Forte#if defined(lint) || defined(DS_DDICT) 115*fcf3ce44SJohn Fortecaddr_t 116*fcf3ce44SJohn Fortensc_callee(void) 117*fcf3ce44SJohn Forte{ 118*fcf3ce44SJohn Forte return (0); 119*fcf3ce44SJohn Forte} 120*fcf3ce44SJohn Forte#else 121*fcf3ce44SJohn Forte 122*fcf3ce44SJohn Forte ENTRY(nsc_callee) 123*fcf3ce44SJohn Forte .register %g7, #scratch 124*fcf3ce44SJohn Forte retl 125*fcf3ce44SJohn Forte mov %o7, %o0 126*fcf3ce44SJohn Forte SET_SIZE(nsc_callee) 127*fcf3ce44SJohn Forte 128*fcf3ce44SJohn Forte#endif /* lint || DS_DDICT */ 129*fcf3ce44SJohn Forte 130*fcf3ce44SJohn Forte 131*fcf3ce44SJohn Forte/* 132*fcf3ce44SJohn Forte * nsc_threadp(void) 133*fcf3ce44SJohn Forte * 134*fcf3ce44SJohn Forte * C callable interface to get the current thread pointer. 135*fcf3ce44SJohn Forte */ 136*fcf3ce44SJohn Forte 137*fcf3ce44SJohn Forte#if defined(lint) || defined(DS_DDICT) 138*fcf3ce44SJohn Fortevoid * 139*fcf3ce44SJohn Fortensc_threadp(void) 140*fcf3ce44SJohn Forte{ 141*fcf3ce44SJohn Forte return (NULL); 142*fcf3ce44SJohn Forte} 143*fcf3ce44SJohn Forte#else 144*fcf3ce44SJohn Forte 145*fcf3ce44SJohn Forte ENTRY(nsc_threadp) 146*fcf3ce44SJohn Forte retl 147*fcf3ce44SJohn Forte mov %g7, %o0 148*fcf3ce44SJohn Forte SET_SIZE(nsc_threadp) 149*fcf3ce44SJohn Forte 150*fcf3ce44SJohn Forte#endif /* lint || DS_DDICT */ 151