Add haiku-specific functions.

grub-core/osdep/haiku/getroot.c

@@ -0,0 +1,105 @@
+#include <config.h>
+#include <config-util.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <string.h>
+#include <errno.h>
+#include <stdint.h>
+#include <grub/util/misc.h>
+#include <grub/emu/hostdisk.h>
+#include <grub/emu/getroot.h>
+#include <fs_info.h>
+#include <Drivers.h>
+#include <StorageDefs.h>
+
+enum grub_dev_abstraction_types
+grub_util_get_dev_abstraction_os (const char *os_dev __attribute__((unused)))
+{
+  return GRUB_DEV_ABSTRACTION_NONE;
+}
+
+int
+grub_util_pull_device_os (const char *os_dev __attribute__ ((unused)),
+			  enum grub_dev_abstraction_types ab __attribute__ ((unused)))
+{
+  return 0;
+}
+
+char *
+grub_util_get_grub_dev_os (const char *os_dev __attribute__ ((unused)))
+{
+  return NULL;
+}
+
+char **
+grub_guess_root_devices (const char *dir_in)
+{
+  dev_t dv = dev_for_path (dir_in);
+  fs_info inf;
+  char **ret;
+  if (fs_stat_dev (dv, &inf) != B_OK)
+    return NULL;
+  ret = xmalloc (2 * sizeof (ret[0]));
+  ret[0] = xstrdup (inf.device_name);
+  ret[1] = NULL;
+  return ret;
+}
+
+grub_disk_addr_t
+grub_util_find_partition_start_os (const char *dev)
+{
+  partition_info part;
+  grub_disk_addr_t ret;
+  int fd = open (dev, O_RDONLY);
+  if (fd < 0)
+    return 0;
+  if (ioctl (fd, B_GET_PARTITION_INFO, &part, sizeof (part)) < 0)
+    {
+      close (fd);
+      return 0;
+    }
+  ret = part.offset;
+  close (fd);
+  fd = open (part.device, O_RDONLY);
+
+  device_geometry geo;
+  if (ioctl (fd, B_GET_GEOMETRY, &geo, sizeof (geo)) < 0)
+    return 0;
+  ret /= geo.bytes_per_sector;
+  close (fd);  
+  return ret;
+}
+
+char *
+grub_util_part_to_disk (const char *os_dev,
+			struct stat *st __attribute__ ((unused)),
+			int *is_part)
+{
+  char *ret;
+  partition_info part;
+  int fd = open (os_dev, O_RDONLY);
+  *is_part = 0;
+
+  if (fd < 0)
+    return xstrdup (os_dev);
+  if (ioctl (fd, B_GET_PARTITION_INFO, &part, sizeof (part)) < 0)
+    {
+      close (fd);
+      return xstrdup (os_dev);
+    }
+  ret = xstrdup (part.device);
+  close (fd);
+  *is_part=1;
+  return ret;
+}
+
+int
+grub_util_biosdisk_is_floppy (grub_disk_t disk)
+{
+  const char *dname;
+
+  dname = grub_util_biosdisk_get_osdev (disk);
+
+  return (strncmp (dname, "/dev/disk/floppy/", sizeof ("/dev/disk/floppy/") - 1)
+	  == 0);
+}