1*0Sstevel@tonic-gate/* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate/* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate#pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate#if defined(__lint) 30*0Sstevel@tonic-gate#include <kmdb/kmdb_asmutil.h> 31*0Sstevel@tonic-gate#endif 32*0Sstevel@tonic-gate 33*0Sstevel@tonic-gate#include <sys/asm_linkage.h> 34*0Sstevel@tonic-gate 35*0Sstevel@tonic-gate#if defined(__lint) 36*0Sstevel@tonic-gate/*ARGSUSED*/ 37*0Sstevel@tonic-gateuintptr_t 38*0Sstevel@tonic-gatecas(uintptr_t *rs1, uintptr_t rs2, uintptr_t rd) 39*0Sstevel@tonic-gate{ 40*0Sstevel@tonic-gate return (0); 41*0Sstevel@tonic-gate} 42*0Sstevel@tonic-gate#else 43*0Sstevel@tonic-gate 44*0Sstevel@tonic-gate ENTRY_NP(cas) 45*0Sstevel@tonic-gate movl 4(%esp), %edx /* rs1 */ 46*0Sstevel@tonic-gate movl 8(%esp), %eax /* rs2 */ 47*0Sstevel@tonic-gate movl 12(%esp), %ecx /* rd */ 48*0Sstevel@tonic-gate lock 49*0Sstevel@tonic-gate cmpxchgl %ecx, (%edx) 50*0Sstevel@tonic-gate ret 51*0Sstevel@tonic-gate SET_SIZE(cas) 52*0Sstevel@tonic-gate 53*0Sstevel@tonic-gate#endif 54*0Sstevel@tonic-gate 55*0Sstevel@tonic-gate#if defined(__lint) 56*0Sstevel@tonic-gatevoid 57*0Sstevel@tonic-gatemembar_producer(void) 58*0Sstevel@tonic-gate{ 59*0Sstevel@tonic-gate} 60*0Sstevel@tonic-gate#else 61*0Sstevel@tonic-gate 62*0Sstevel@tonic-gate ENTRY(membar_producer) 63*0Sstevel@tonic-gate lock 64*0Sstevel@tonic-gate xorl $0, (%esp) / flush the write buffer 65*0Sstevel@tonic-gate ret 66*0Sstevel@tonic-gate SET_SIZE(membar_producer) 67*0Sstevel@tonic-gate 68*0Sstevel@tonic-gate#endif 69*0Sstevel@tonic-gate 70*0Sstevel@tonic-gate#if defined(__lint) 71*0Sstevel@tonic-gate/*ARGSUSED*/ 72*0Sstevel@tonic-gatevoid 73*0Sstevel@tonic-gaterdmsr(uint32_t addr, uint64_t *retp) 74*0Sstevel@tonic-gate{ 75*0Sstevel@tonic-gate} 76*0Sstevel@tonic-gate#else 77*0Sstevel@tonic-gate 78*0Sstevel@tonic-gate ENTRY(rdmsr) 79*0Sstevel@tonic-gate movl 4(%esp), %ecx 80*0Sstevel@tonic-gate rdmsr 81*0Sstevel@tonic-gate movl 8(%esp), %ecx 82*0Sstevel@tonic-gate movl %eax, (%ecx) 83*0Sstevel@tonic-gate movl %edx, 4(%ecx) 84*0Sstevel@tonic-gate ret 85*0Sstevel@tonic-gate SET_SIZE(rdmsr) 86*0Sstevel@tonic-gate 87*0Sstevel@tonic-gate#endif 88*0Sstevel@tonic-gate 89*0Sstevel@tonic-gate#if defined(__lint) 90*0Sstevel@tonic-gate/*ARGSUSED*/ 91*0Sstevel@tonic-gatevoid 92*0Sstevel@tonic-gatewrmsr(uint32_t addr, uint64_t *valp) 93*0Sstevel@tonic-gate{ 94*0Sstevel@tonic-gate} 95*0Sstevel@tonic-gate#else 96*0Sstevel@tonic-gate 97*0Sstevel@tonic-gate ENTRY(wrmsr) 98*0Sstevel@tonic-gate movl 8(%esp), %ecx 99*0Sstevel@tonic-gate movl (%ecx), %eax 100*0Sstevel@tonic-gate movl 4(%ecx), %edx 101*0Sstevel@tonic-gate movl 4(%esp), %ecx 102*0Sstevel@tonic-gate wrmsr 103*0Sstevel@tonic-gate ret 104*0Sstevel@tonic-gate SET_SIZE(wrmsr) 105*0Sstevel@tonic-gate 106*0Sstevel@tonic-gate#endif 107*0Sstevel@tonic-gate 108*0Sstevel@tonic-gate#if defined(__lint) 109*0Sstevel@tonic-gateuintptr_t 110*0Sstevel@tonic-gateget_fp(void) 111*0Sstevel@tonic-gate{ 112*0Sstevel@tonic-gate return (0); 113*0Sstevel@tonic-gate} 114*0Sstevel@tonic-gate#else 115*0Sstevel@tonic-gate 116*0Sstevel@tonic-gate ENTRY(get_fp) 117*0Sstevel@tonic-gate movl %ebp, %eax 118*0Sstevel@tonic-gate ret 119*0Sstevel@tonic-gate SET_SIZE(get_fp) 120*0Sstevel@tonic-gate 121*0Sstevel@tonic-gate#endif 122*0Sstevel@tonic-gate 123*0Sstevel@tonic-gate#if defined(__lint) 124*0Sstevel@tonic-gate/*ARGSUSED*/ 125*0Sstevel@tonic-gatevoid 126*0Sstevel@tonic-gatekmt_in(void *buf, size_t nbytes, uintptr_t addr) 127*0Sstevel@tonic-gate{ 128*0Sstevel@tonic-gate} 129*0Sstevel@tonic-gate 130*0Sstevel@tonic-gate/*ARGSUSED*/ 131*0Sstevel@tonic-gatevoid 132*0Sstevel@tonic-gatekmt_out(void *buf, size_t nbytes, uintptr_t addr) 133*0Sstevel@tonic-gate{ 134*0Sstevel@tonic-gate} 135*0Sstevel@tonic-gate#else 136*0Sstevel@tonic-gate 137*0Sstevel@tonic-gate ENTRY_NP(kmt_in) 138*0Sstevel@tonic-gate movl 4(%esp), %ecx /* buf */ 139*0Sstevel@tonic-gate movl 8(%esp), %eax /* nbytes */ 140*0Sstevel@tonic-gate movl 12(%esp), %edx /* addr */ 141*0Sstevel@tonic-gate 142*0Sstevel@tonic-gate cmp $4, %eax 143*0Sstevel@tonic-gate je 4f 144*0Sstevel@tonic-gate cmp $2, %eax 145*0Sstevel@tonic-gate je 2f 146*0Sstevel@tonic-gate 147*0Sstevel@tonic-gate1: inb (%dx) 148*0Sstevel@tonic-gate movb %al, 0(%ecx) 149*0Sstevel@tonic-gate ret 150*0Sstevel@tonic-gate 151*0Sstevel@tonic-gate2: inw (%dx) 152*0Sstevel@tonic-gate movw %ax, 0(%ecx) 153*0Sstevel@tonic-gate ret 154*0Sstevel@tonic-gate 155*0Sstevel@tonic-gate4: inl (%dx) 156*0Sstevel@tonic-gate movl %eax, 0(%ecx) 157*0Sstevel@tonic-gate ret 158*0Sstevel@tonic-gate SET_SIZE(kmt_in) 159*0Sstevel@tonic-gate 160*0Sstevel@tonic-gate ENTRY_NP(kmt_out) 161*0Sstevel@tonic-gate movl 4(%esp), %ecx /* buf */ 162*0Sstevel@tonic-gate movl 8(%esp), %eax /* nbytes */ 163*0Sstevel@tonic-gate movl 12(%esp), %edx /* addr */ 164*0Sstevel@tonic-gate 165*0Sstevel@tonic-gate cmp $4, %eax 166*0Sstevel@tonic-gate je 4f 167*0Sstevel@tonic-gate cmp $2, %eax 168*0Sstevel@tonic-gate je 2f 169*0Sstevel@tonic-gate 170*0Sstevel@tonic-gate1: movb 0(%ecx), %al 171*0Sstevel@tonic-gate outb (%dx) 172*0Sstevel@tonic-gate ret 173*0Sstevel@tonic-gate 174*0Sstevel@tonic-gate2: movw 0(%ecx), %ax 175*0Sstevel@tonic-gate outw (%dx) 176*0Sstevel@tonic-gate ret 177*0Sstevel@tonic-gate 178*0Sstevel@tonic-gate4: movl 0(%ecx), %eax 179*0Sstevel@tonic-gate outl (%dx) 180*0Sstevel@tonic-gate ret 181*0Sstevel@tonic-gate SET_SIZE(kmt_out) 182*0Sstevel@tonic-gate 183*0Sstevel@tonic-gate#endif 184