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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright (c) 2000 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* 30 * Embedded Fcode Interpreter "get-fcode" client interfaces. 31 */ 32 33 #include <sys/promif.h> 34 #include <sys/promimpl.h> 35 36 /* 37 * Get Fcode size, test if OBP supports this interface. 38 */ 39 int 40 prom_get_fcode_size(char *str) 41 { 42 cell_t ci[5]; 43 int rv; 44 45 if (prom_test("SUNW,get-fcode-size") != 0) { 46 return (0); 47 } 48 49 ci[0] = p1275_ptr2cell("SUNW,get-fcode-size"); 50 ci[1] = (cell_t)1; /* 1 input arg: str */ 51 ci[2] = (cell_t)1; /* 1 output result: len or zero */ 52 ci[3] = p1275_ptr2cell(str); 53 ci[4] = (cell_t)0; 54 55 promif_preprom(); 56 rv = p1275_cif_handler(&ci); 57 promif_postprom(); 58 59 if (rv == 0) 60 return (p1275_cell2int(ci[4])); 61 return (0); 62 } 63 64 /* 65 * Get Fcode into supplied buffer. 66 */ 67 int 68 prom_get_fcode(char *str, char *buf) 69 { 70 cell_t ci[6]; 71 int rv; 72 73 if (prom_test("SUNW,get-fcode") != 0) { 74 return (0); 75 } 76 77 ci[0] = p1275_ptr2cell("SUNW,get-fcode"); 78 ci[1] = (cell_t)2; /* 2 input args: str + buf */ 79 ci[2] = (cell_t)1; /* 1 output result: true or false */ 80 ci[3] = p1275_ptr2cell(buf); /* Arg#1: buffer to put fcode */ 81 ci[4] = p1275_ptr2cell(str); /* Arg#2: name of drop-in */ 82 ci[5] = (cell_t)0; 83 84 promif_preprom(); 85 rv = p1275_cif_handler(&ci); 86 promif_postprom(); 87 88 if (rv == 0) 89 return (p1275_cell2int(ci[5])); 90 return (0); 91 } 92