1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #include <sys/promif.h> 27 #include <sys/promimpl.h> 28 29 /* 30 * prom_itlb_load, prom_dtlb_load: 31 * 32 * Manage the Spitfire TLB. Returns 0 if successful, -1 otherwise. 33 * Flush the address in context zero mapped by tte_data and virt, 34 * and load the {i,d} tlb entry index with tte_data and virt. 35 */ 36 37 int 38 prom_itlb_load(int index, unsigned long long tte_data, caddr_t virt) 39 { 40 cell_t ci[9]; 41 int rv; 42 ihandle_t immu = prom_mmu_ihandle(); 43 44 if ((immu == (ihandle_t)-1)) 45 return (-1); 46 47 ci[0] = p1275_ptr2cell("call-method"); /* Service name */ 48 ci[1] = (cell_t)5; /* #argument cells */ 49 ci[2] = (cell_t)1; /* #result cells */ 50 ci[3] = p1275_ptr2cell("SUNW,itlb-load"); /* Arg1: method name */ 51 ci[4] = p1275_ihandle2cell(immu); /* Arg2: mmu ihandle */ 52 ci[5] = p1275_ptr2cell(virt); /* Arg3: SA1: virt */ 53 ci[6] = (cell_t)tte_data; /* Arg4: SA2: tte_data */ 54 ci[7] = p1275_int2cell(index); /* Arg5: SA3: index */ 55 56 promif_preprom(); 57 rv = p1275_cif_handler(&ci); 58 promif_postprom(); 59 60 if (rv != 0) 61 return (-1); 62 if (ci[8] != 0) /* Res1: Catch result */ 63 return (-1); 64 return (0); 65 } 66 67 int 68 prom_dtlb_load(int index, unsigned long long tte_data, caddr_t virt) 69 { 70 cell_t ci[9]; 71 int rv; 72 ihandle_t immu = prom_mmu_ihandle(); 73 74 if ((immu == (ihandle_t)-1)) 75 return (-1); 76 77 ci[0] = p1275_ptr2cell("call-method"); /* Service name */ 78 ci[1] = (cell_t)5; /* #argument cells */ 79 ci[2] = (cell_t)1; /* #result cells */ 80 ci[3] = p1275_ptr2cell("SUNW,dtlb-load"); /* Arg1: method name */ 81 ci[4] = p1275_ihandle2cell(immu); /* Arg2: mmu ihandle */ 82 ci[5] = p1275_ptr2cell(virt); /* Arg3: SA1: virt */ 83 ci[6] = (cell_t)tte_data; /* Arg4: SA2: tte_data */ 84 ci[7] = p1275_int2cell(index); /* Arg5: SA3: index */ 85 86 promif_preprom(); 87 rv = p1275_cif_handler(&ci); 88 promif_postprom(); 89 90 if (rv != 0) 91 return (-1); 92 if (ci[8] != 0) /* Res1: Catch result */ 93 return (-1); 94 return (0); 95 } 96