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 1991-1995, 2001-2003 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 #include <sys/types.h> 30*0Sstevel@tonic-gate #include <sys/saio.h> 31*0Sstevel@tonic-gate #include <sys/sysmacros.h> 32*0Sstevel@tonic-gate #include <sys/promif.h> 33*0Sstevel@tonic-gate #include <sys/bootconf.h> 34*0Sstevel@tonic-gate #include <sys/salib.h> 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate #ifdef DEBUG 37*0Sstevel@tonic-gate static int resalloc_debug = 1; 38*0Sstevel@tonic-gate #else /* DEBUG */ 39*0Sstevel@tonic-gate static int resalloc_debug = 0; 40*0Sstevel@tonic-gate #endif /* DEBUG */ 41*0Sstevel@tonic-gate #define dprintf if (resalloc_debug) printf 42*0Sstevel@tonic-gate 43*0Sstevel@tonic-gate extern caddr_t resalloc(enum RESOURCES type, 44*0Sstevel@tonic-gate size_t bytes, caddr_t virthint, int align); 45*0Sstevel@tonic-gate extern void resfree(enum RESOURCES type, 46*0Sstevel@tonic-gate caddr_t virtaddr, size_t bytes); 47*0Sstevel@tonic-gate 48*0Sstevel@tonic-gate caddr_t memlistpage; 49*0Sstevel@tonic-gate extern int pagesize; 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate /* 52*0Sstevel@tonic-gate * This routine should be called get_a_page(). 53*0Sstevel@tonic-gate * It allocates from the appropriate entity one or 54*0Sstevel@tonic-gate * more pages and maps them in. 55*0Sstevel@tonic-gate */ 56*0Sstevel@tonic-gate 57*0Sstevel@tonic-gate caddr_t 58*0Sstevel@tonic-gate kern_resalloc(caddr_t virthint, size_t size, int align) 59*0Sstevel@tonic-gate { 60*0Sstevel@tonic-gate if (virthint != 0) 61*0Sstevel@tonic-gate return (resalloc(RES_CHILDVIRT, size, virthint, align)); 62*0Sstevel@tonic-gate else { 63*0Sstevel@tonic-gate return (resalloc(RES_BOOTSCRATCH, size, NULL, NULL)); 64*0Sstevel@tonic-gate } 65*0Sstevel@tonic-gate } 66*0Sstevel@tonic-gate 67*0Sstevel@tonic-gate /* 68*0Sstevel@tonic-gate * This is called only on sparcv9 for freeing scratch memory. 69*0Sstevel@tonic-gate * The standalone allocator cannot free other types of memory. 70*0Sstevel@tonic-gate */ 71*0Sstevel@tonic-gate void 72*0Sstevel@tonic-gate kern_resfree(caddr_t virtaddr, size_t size) 73*0Sstevel@tonic-gate { 74*0Sstevel@tonic-gate resfree(RES_BOOTSCRATCH, virtaddr, size); 75*0Sstevel@tonic-gate } 76*0Sstevel@tonic-gate 77*0Sstevel@tonic-gate int 78*0Sstevel@tonic-gate get_progmemory(caddr_t vaddr, size_t size, int align) 79*0Sstevel@tonic-gate { 80*0Sstevel@tonic-gate uint_t n; 81*0Sstevel@tonic-gate 82*0Sstevel@tonic-gate /* 83*0Sstevel@tonic-gate * if the vaddr given is not a mult of PAGESIZE, 84*0Sstevel@tonic-gate * then we rounddown to a page, but keep the same 85*0Sstevel@tonic-gate * ending addr. 86*0Sstevel@tonic-gate */ 87*0Sstevel@tonic-gate n = (uint_t)vaddr & (pagesize - 1); 88*0Sstevel@tonic-gate if (n) { 89*0Sstevel@tonic-gate vaddr -= n; 90*0Sstevel@tonic-gate size += n; 91*0Sstevel@tonic-gate } 92*0Sstevel@tonic-gate 93*0Sstevel@tonic-gate dprintf("get_progmemory: requesting %lx bytes at %p\n", size, 94*0Sstevel@tonic-gate (void *)vaddr); 95*0Sstevel@tonic-gate if (resalloc(RES_CHILDVIRT, size, vaddr, align) != vaddr) 96*0Sstevel@tonic-gate return (-1); 97*0Sstevel@tonic-gate return (0); 98*0Sstevel@tonic-gate } 99