1*e7cbe64fSgw /*
2*e7cbe64fSgw * CDDL HEADER START
3*e7cbe64fSgw *
4*e7cbe64fSgw * The contents of this file are subject to the terms of the
5*e7cbe64fSgw * Common Development and Distribution License (the "License").
6*e7cbe64fSgw * You may not use this file except in compliance with the License.
7*e7cbe64fSgw *
8*e7cbe64fSgw * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*e7cbe64fSgw * or http://www.opensolaris.org/os/licensing.
10*e7cbe64fSgw * See the License for the specific language governing permissions
11*e7cbe64fSgw * and limitations under the License.
12*e7cbe64fSgw *
13*e7cbe64fSgw * When distributing Covered Code, include this CDDL HEADER in each
14*e7cbe64fSgw * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*e7cbe64fSgw * If applicable, add the following below this CDDL HEADER, with the
16*e7cbe64fSgw * fields enclosed by brackets "[]" replaced with your own identifying
17*e7cbe64fSgw * information: Portions Copyright [yyyy] [name of copyright owner]
18*e7cbe64fSgw *
19*e7cbe64fSgw * CDDL HEADER END
20*e7cbe64fSgw */
21*e7cbe64fSgw /*
22*e7cbe64fSgw * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
23*e7cbe64fSgw * Use is subject to license terms.
24*e7cbe64fSgw */
25*e7cbe64fSgw #pragma ident "%Z%%M% %I% %E% SMI"
26*e7cbe64fSgw
27*e7cbe64fSgw #include <sys/sysmacros.h>
28*e7cbe64fSgw #include <sys/salib.h>
29*e7cbe64fSgw #include <sys/promif.h>
30*e7cbe64fSgw
31*e7cbe64fSgw #define MINALLOC 8
32*e7cbe64fSgw #define TOPMEM ((caddr_t)0x1000000)
33*e7cbe64fSgw
34*e7cbe64fSgw extern caddr_t _end;
35*e7cbe64fSgw extern struct boot_fs_ops promfs_ops;
36*e7cbe64fSgw
37*e7cbe64fSgw struct boot_fs_ops *boot_fsw[] = {
38*e7cbe64fSgw &promfs_ops,
39*e7cbe64fSgw };
40*e7cbe64fSgw int boot_nfsw = sizeof (boot_fsw) / sizeof (boot_fsw[0]);
41*e7cbe64fSgw
42*e7cbe64fSgw void *
bkmem_alloc(size_t s)43*e7cbe64fSgw bkmem_alloc(size_t s)
44*e7cbe64fSgw {
45*e7cbe64fSgw static caddr_t next;
46*e7cbe64fSgw caddr_t ret;
47*e7cbe64fSgw
48*e7cbe64fSgw if (next == NULL)
49*e7cbe64fSgw next = (caddr_t)roundup((uintptr_t)&_end, MINALLOC);
50*e7cbe64fSgw ret = next;
51*e7cbe64fSgw next += roundup(s, MINALLOC);
52*e7cbe64fSgw if (next >= TOPMEM)
53*e7cbe64fSgw prom_panic("out of memory");
54*e7cbe64fSgw return (ret);
55*e7cbe64fSgw }
56*e7cbe64fSgw
57*e7cbe64fSgw /*ARGSUSED*/
58*e7cbe64fSgw void
bkmem_free(void * p,size_t s)59*e7cbe64fSgw bkmem_free(void *p, size_t s)
60*e7cbe64fSgw {
61*e7cbe64fSgw }
62*e7cbe64fSgw
63*e7cbe64fSgw int
cons_getchar(void)64*e7cbe64fSgw cons_getchar(void)
65*e7cbe64fSgw {
66*e7cbe64fSgw register int c;
67*e7cbe64fSgw
68*e7cbe64fSgw while ((c = prom_mayget()) == -1)
69*e7cbe64fSgw ;
70*e7cbe64fSgw if (c == '\r') {
71*e7cbe64fSgw prom_putchar(c);
72*e7cbe64fSgw c = '\n';
73*e7cbe64fSgw }
74*e7cbe64fSgw if (c == 0177 || c == '\b') {
75*e7cbe64fSgw prom_putchar('\b');
76*e7cbe64fSgw prom_putchar(' ');
77*e7cbe64fSgw c = '\b';
78*e7cbe64fSgw }
79*e7cbe64fSgw prom_putchar(c);
80*e7cbe64fSgw return (c);
81*e7cbe64fSgw }
82*e7cbe64fSgw
83*e7cbe64fSgw char *
cons_gets(char * buf,int n)84*e7cbe64fSgw cons_gets(char *buf, int n)
85*e7cbe64fSgw {
86*e7cbe64fSgw char *lp;
87*e7cbe64fSgw char *limit;
88*e7cbe64fSgw int c;
89*e7cbe64fSgw
90*e7cbe64fSgw lp = buf;
91*e7cbe64fSgw limit = &buf[n - 1];
92*e7cbe64fSgw for (;;) {
93*e7cbe64fSgw c = cons_getchar() & 0177;
94*e7cbe64fSgw switch (c) {
95*e7cbe64fSgw case '\n':
96*e7cbe64fSgw case '\r':
97*e7cbe64fSgw *lp = '\0';
98*e7cbe64fSgw return (buf);
99*e7cbe64fSgw case '\b':
100*e7cbe64fSgw if (lp > buf)
101*e7cbe64fSgw lp--;
102*e7cbe64fSgw continue;
103*e7cbe64fSgw case 'u'&037: /* ^U */
104*e7cbe64fSgw lp = buf;
105*e7cbe64fSgw prom_putchar('\r');
106*e7cbe64fSgw prom_putchar('\n');
107*e7cbe64fSgw continue;
108*e7cbe64fSgw case 0:
109*e7cbe64fSgw continue;
110*e7cbe64fSgw default:
111*e7cbe64fSgw if (lp < limit)
112*e7cbe64fSgw *lp++ = (char)c;
113*e7cbe64fSgw else
114*e7cbe64fSgw prom_putchar('\a'); /* bell */
115*e7cbe64fSgw }
116*e7cbe64fSgw }
117*e7cbe64fSgw }
118