svn commit: r276332 - user/nwhitehorn/kboot/powerpc/kboot

[Nathan Whitehorn]

Author: nwhitehorn
Date: Sun Dec 28 17:16:41 2014
New Revision: 276332
URL: https://svnweb.freebsd.org/changeset/base/276332

Log:
  Make getdev do something. This gets me to a loader prompt without crashing.
  No disk IO yet.

Modified:
  user/nwhitehorn/kboot/powerpc/kboot/main.c

Modified: user/nwhitehorn/kboot/powerpc/kboot/main.c
==============================================================================
--- user/nwhitehorn/kboot/powerpc/kboot/main.c	Sun Dec 28 16:56:52 2014	(r276331)
+++ user/nwhitehorn/kboot/powerpc/kboot/main.c	Sun Dec 28 17:16:41 2014	(r276332)
@@ -52,8 +52,32 @@ int kboot_setcurrdev(struct env_var *ev,
 int
 kboot_getdev(void **vdev, const char *devspec, const char **path)
 {
-	printf("Devspec: %s\n", devspec);
-	return (0);
+	int i;
+	const char *devpath, *filepath;
+	struct devsw *dv;
+
+	if (devspec[0] == '/') {
+		devpath = getenv("currdev");
+		filepath = devspec;
+	} else {
+		devpath = devspec;
+		if (strchr(devspec, ':') == NULL)
+			filepath = NULL;
+		else
+			filepath = strchr(devspec, ':') + 1;
+	}
+	for (i = 0; (dv = devsw[i]) != NULL; i++) {
+		if (strncmp(dv->dv_name, devpath, strlen(dv->dv_name)) == 0)
+			goto found;
+	}
+	return (ENOENT);
+
+found:
+	if (path != NULL)
+		*path = filepath;
+	else if (path != NULL)
+		*path = strchr(devspec, ':') + 1;
+	*vdev = strdup(devpath);
 }
 
 int