1*e7cbe64fSgw25295 /* 2*e7cbe64fSgw25295 * CDDL HEADER START 3*e7cbe64fSgw25295 * 4*e7cbe64fSgw25295 * The contents of this file are subject to the terms of the 5*e7cbe64fSgw25295 * Common Development and Distribution License (the "License"). 6*e7cbe64fSgw25295 * You may not use this file except in compliance with the License. 7*e7cbe64fSgw25295 * 8*e7cbe64fSgw25295 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9*e7cbe64fSgw25295 * or http://www.opensolaris.org/os/licensing. 10*e7cbe64fSgw25295 * See the License for the specific language governing permissions 11*e7cbe64fSgw25295 * and limitations under the License. 12*e7cbe64fSgw25295 * 13*e7cbe64fSgw25295 * When distributing Covered Code, include this CDDL HEADER in each 14*e7cbe64fSgw25295 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15*e7cbe64fSgw25295 * If applicable, add the following below this CDDL HEADER, with the 16*e7cbe64fSgw25295 * fields enclosed by brackets "[]" replaced with your own identifying 17*e7cbe64fSgw25295 * information: Portions Copyright [yyyy] [name of copyright owner] 18*e7cbe64fSgw25295 * 19*e7cbe64fSgw25295 * CDDL HEADER END 20*e7cbe64fSgw25295 */ 21*e7cbe64fSgw25295 /* 22*e7cbe64fSgw25295 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23*e7cbe64fSgw25295 * Use is subject to license terms. 24*e7cbe64fSgw25295 */ 25*e7cbe64fSgw25295 #pragma ident "%Z%%M% %I% %E% SMI" 26*e7cbe64fSgw25295 27*e7cbe64fSgw25295 #include <sys/sysmacros.h> 28*e7cbe64fSgw25295 #include <sys/salib.h> 29*e7cbe64fSgw25295 #include <sys/promif.h> 30*e7cbe64fSgw25295 31*e7cbe64fSgw25295 #define MINALLOC 8 32*e7cbe64fSgw25295 #define TOPMEM ((caddr_t)0x1000000) 33*e7cbe64fSgw25295 34*e7cbe64fSgw25295 extern caddr_t _end; 35*e7cbe64fSgw25295 extern struct boot_fs_ops promfs_ops; 36*e7cbe64fSgw25295 37*e7cbe64fSgw25295 struct boot_fs_ops *boot_fsw[] = { 38*e7cbe64fSgw25295 &promfs_ops, 39*e7cbe64fSgw25295 }; 40*e7cbe64fSgw25295 int boot_nfsw = sizeof (boot_fsw) / sizeof (boot_fsw[0]); 41*e7cbe64fSgw25295 42*e7cbe64fSgw25295 void * 43*e7cbe64fSgw25295 bkmem_alloc(size_t s) 44*e7cbe64fSgw25295 { 45*e7cbe64fSgw25295 static caddr_t next; 46*e7cbe64fSgw25295 caddr_t ret; 47*e7cbe64fSgw25295 48*e7cbe64fSgw25295 if (next == NULL) 49*e7cbe64fSgw25295 next = (caddr_t)roundup((uintptr_t)&_end, MINALLOC); 50*e7cbe64fSgw25295 ret = next; 51*e7cbe64fSgw25295 next += roundup(s, MINALLOC); 52*e7cbe64fSgw25295 if (next >= TOPMEM) 53*e7cbe64fSgw25295 prom_panic("out of memory"); 54*e7cbe64fSgw25295 return (ret); 55*e7cbe64fSgw25295 } 56*e7cbe64fSgw25295 57*e7cbe64fSgw25295 /*ARGSUSED*/ 58*e7cbe64fSgw25295 void 59*e7cbe64fSgw25295 bkmem_free(void *p, size_t s) 60*e7cbe64fSgw25295 { 61*e7cbe64fSgw25295 } 62*e7cbe64fSgw25295 63*e7cbe64fSgw25295 int 64*e7cbe64fSgw25295 cons_getchar(void) 65*e7cbe64fSgw25295 { 66*e7cbe64fSgw25295 register int c; 67*e7cbe64fSgw25295 68*e7cbe64fSgw25295 while ((c = prom_mayget()) == -1) 69*e7cbe64fSgw25295 ; 70*e7cbe64fSgw25295 if (c == '\r') { 71*e7cbe64fSgw25295 prom_putchar(c); 72*e7cbe64fSgw25295 c = '\n'; 73*e7cbe64fSgw25295 } 74*e7cbe64fSgw25295 if (c == 0177 || c == '\b') { 75*e7cbe64fSgw25295 prom_putchar('\b'); 76*e7cbe64fSgw25295 prom_putchar(' '); 77*e7cbe64fSgw25295 c = '\b'; 78*e7cbe64fSgw25295 } 79*e7cbe64fSgw25295 prom_putchar(c); 80*e7cbe64fSgw25295 return (c); 81*e7cbe64fSgw25295 } 82*e7cbe64fSgw25295 83*e7cbe64fSgw25295 char * 84*e7cbe64fSgw25295 cons_gets(char *buf, int n) 85*e7cbe64fSgw25295 { 86*e7cbe64fSgw25295 char *lp; 87*e7cbe64fSgw25295 char *limit; 88*e7cbe64fSgw25295 int c; 89*e7cbe64fSgw25295 90*e7cbe64fSgw25295 lp = buf; 91*e7cbe64fSgw25295 limit = &buf[n - 1]; 92*e7cbe64fSgw25295 for (;;) { 93*e7cbe64fSgw25295 c = cons_getchar() & 0177; 94*e7cbe64fSgw25295 switch (c) { 95*e7cbe64fSgw25295 case '\n': 96*e7cbe64fSgw25295 case '\r': 97*e7cbe64fSgw25295 *lp = '\0'; 98*e7cbe64fSgw25295 return (buf); 99*e7cbe64fSgw25295 case '\b': 100*e7cbe64fSgw25295 if (lp > buf) 101*e7cbe64fSgw25295 lp--; 102*e7cbe64fSgw25295 continue; 103*e7cbe64fSgw25295 case 'u'&037: /* ^U */ 104*e7cbe64fSgw25295 lp = buf; 105*e7cbe64fSgw25295 prom_putchar('\r'); 106*e7cbe64fSgw25295 prom_putchar('\n'); 107*e7cbe64fSgw25295 continue; 108*e7cbe64fSgw25295 case 0: 109*e7cbe64fSgw25295 continue; 110*e7cbe64fSgw25295 default: 111*e7cbe64fSgw25295 if (lp < limit) 112*e7cbe64fSgw25295 *lp++ = (char)c; 113*e7cbe64fSgw25295 else 114*e7cbe64fSgw25295 prom_putchar('\a'); /* bell */ 115*e7cbe64fSgw25295 } 116*e7cbe64fSgw25295 } 117*e7cbe64fSgw25295 } 118