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authorRichard Lowe <richlowe@richlowe.net>2021-06-04 15:15:12 -0500
committerRichard Lowe <richlowe@richlowe.net>2021-08-16 12:46:39 -0500
commitf0089e391b2bc4be2755f1a1b51fb4cd9b8f3988 (patch)
treec4ac2f5e703ed459d50bcee7ddb38a993d961520 /usr/src/uts/intel/os/bootdev.c
parentd083fed0c91296a88878f7a468910ad5b5c888ea (diff)
downloadillumos-gate-f0089e391b2bc4be2755f1a1b51fb4cd9b8f3988.tar.gz
13941 intel code and headers should not look ia32 specific
Reviewed by: Hans Rosenfeld <rosenfeld@grumpf.hope-2000.org> Reviewed by: Toomas Soome <tsoome@me.com> Reviewed by: Patrick Mooney <pmooney@pfmooney.com> Approved by: Garret D'Amore <garrett@damore.org>
Diffstat (limited to 'usr/src/uts/intel/os/bootdev.c')
-rw-r--r--usr/src/uts/intel/os/bootdev.c100
1 files changed, 100 insertions, 0 deletions
diff --git a/usr/src/uts/intel/os/bootdev.c b/usr/src/uts/intel/os/bootdev.c
new file mode 100644
index 0000000000..02f31efd56
--- /dev/null
+++ b/usr/src/uts/intel/os/bootdev.c
@@ -0,0 +1,100 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (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.
+ */
+
+#include <sys/modctl.h>
+#include <sys/sunddi.h>
+
+/* internal global data */
+static struct modlmisc modlmisc = {
+ &mod_miscops, "bootdev misc module"
+};
+
+static struct modlinkage modlinkage = {
+ MODREV_1, (void *)&modlmisc, NULL
+};
+
+int
+_init()
+{
+ return (mod_install(&modlinkage));
+}
+
+int
+_fini()
+{
+ return (mod_remove(&modlinkage));
+}
+
+int
+_info(struct modinfo *modinfop)
+{
+ return (mod_info(&modlinkage, modinfop));
+}
+
+/*
+ * convert a prom device path to an equivalent path in /devices
+ * Does not deal with aliases. Does deal with pathnames which
+ * are not fully qualified. This routine is generalized
+ * to work across several flavors of OBP
+ */
+int
+i_promname_to_devname(char *prom_name, char *ret_buf)
+{
+ if (prom_name == NULL || ret_buf == NULL ||
+ (strlen(prom_name) >= MAXPATHLEN)) {
+ return (EINVAL);
+ }
+ if (i_ddi_prompath_to_devfspath(prom_name, ret_buf) != DDI_SUCCESS)
+ return (EINVAL);
+
+ return (0);
+}
+
+/*
+ * If bootstring contains a device path, we need to convert to a format
+ * the prom will understand. To do so, we convert the existing path to
+ * a prom-compatible path and return the value of new_path. If the
+ * caller specifies new_path as NULL, we allocate an appropriately
+ * sized new_path on behalf of the caller. If the caller invokes this
+ * function with new_path = NULL, they must do so from a context in
+ * which it is safe to perform a sleeping memory allocation.
+ *
+ * NOTE: Intel does not have a real PROM, so the implementation
+ * simply returns a copy of the string passed in.
+ */
+char *
+i_convert_boot_device_name(char *cur_path, char *new_path, size_t *len)
+{
+ if (new_path != NULL) {
+ (void) snprintf(new_path, *len, "%s", cur_path);
+ return (new_path);
+ } else {
+ *len = strlen(cur_path) + 1;
+ new_path = kmem_alloc(*len, KM_SLEEP);
+ (void) snprintf(new_path, *len, "%s", cur_path);
+ return (new_path);
+ }
+}