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Diffstat (limited to 'usr/src/psm/stand/bootlst/common/sasubr.c')
-rw-r--r--usr/src/psm/stand/bootlst/common/sasubr.c117
1 files changed, 117 insertions, 0 deletions
diff --git a/usr/src/psm/stand/bootlst/common/sasubr.c b/usr/src/psm/stand/bootlst/common/sasubr.c
new file mode 100644
index 0000000000..bcad2de9ac
--- /dev/null
+++ b/usr/src/psm/stand/bootlst/common/sasubr.c
@@ -0,0 +1,117 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
+ * Use is subject to license terms.
+ */
+#pragma ident "%Z%%M% %I% %E% SMI"
+
+#include <sys/sysmacros.h>
+#include <sys/salib.h>
+#include <sys/promif.h>
+
+#define MINALLOC 8
+#define TOPMEM ((caddr_t)0x1000000)
+
+extern caddr_t _end;
+extern struct boot_fs_ops promfs_ops;
+
+struct boot_fs_ops *boot_fsw[] = {
+ &promfs_ops,
+};
+int boot_nfsw = sizeof (boot_fsw) / sizeof (boot_fsw[0]);
+
+void *
+bkmem_alloc(size_t s)
+{
+ static caddr_t next;
+ caddr_t ret;
+
+ if (next == NULL)
+ next = (caddr_t)roundup((uintptr_t)&_end, MINALLOC);
+ ret = next;
+ next += roundup(s, MINALLOC);
+ if (next >= TOPMEM)
+ prom_panic("out of memory");
+ return (ret);
+}
+
+/*ARGSUSED*/
+void
+bkmem_free(void *p, size_t s)
+{
+}
+
+int
+cons_getchar(void)
+{
+ register int c;
+
+ while ((c = prom_mayget()) == -1)
+ ;
+ if (c == '\r') {
+ prom_putchar(c);
+ c = '\n';
+ }
+ if (c == 0177 || c == '\b') {
+ prom_putchar('\b');
+ prom_putchar(' ');
+ c = '\b';
+ }
+ prom_putchar(c);
+ return (c);
+}
+
+char *
+cons_gets(char *buf, int n)
+{
+ char *lp;
+ char *limit;
+ int c;
+
+ lp = buf;
+ limit = &buf[n - 1];
+ for (;;) {
+ c = cons_getchar() & 0177;
+ switch (c) {
+ case '\n':
+ case '\r':
+ *lp = '\0';
+ return (buf);
+ case '\b':
+ if (lp > buf)
+ lp--;
+ continue;
+ case 'u'&037: /* ^U */
+ lp = buf;
+ prom_putchar('\r');
+ prom_putchar('\n');
+ continue;
+ case 0:
+ continue;
+ default:
+ if (lp < limit)
+ *lp++ = (char)c;
+ else
+ prom_putchar('\a'); /* bell */
+ }
+ }
+}