summaryrefslogtreecommitdiffstats
path: root/grub-core/osdep/apple/hostdisk.c
diff options
context:
space:
mode:
Diffstat (limited to 'grub-core/osdep/apple/hostdisk.c')
-rw-r--r--grub-core/osdep/apple/hostdisk.c95
1 files changed, 95 insertions, 0 deletions
diff --git a/grub-core/osdep/apple/hostdisk.c b/grub-core/osdep/apple/hostdisk.c
new file mode 100644
index 0000000..8d9b4b4
--- /dev/null
+++ b/grub-core/osdep/apple/hostdisk.c
@@ -0,0 +1,95 @@
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 1999,2000,2001,2002,2003,2004,2006,2007,2008,2009,2010,2011,2012,2013 Free Software Foundation, Inc.
+ *
+ * GRUB is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GRUB is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config-util.h>
+
+#include <grub/disk.h>
+#include <grub/partition.h>
+#include <grub/msdos_partition.h>
+#include <grub/types.h>
+#include <grub/err.h>
+#include <grub/emu/misc.h>
+#include <grub/emu/hostdisk.h>
+#include <grub/emu/getroot.h>
+#include <grub/misc.h>
+#include <grub/i18n.h>
+#include <grub/list.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <assert.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <limits.h>
+
+# include <sys/disk.h>
+
+grub_int64_t
+grub_util_get_fd_size_os (grub_util_fd_t fd, const char *name, unsigned *log_secsize)
+{
+ unsigned long long nr;
+ unsigned sector_size, log_sector_size;
+
+ if (ioctl (fd, DKIOCGETBLOCKCOUNT, &nr))
+ return -1;
+
+ if (ioctl (fd, DKIOCGETBLOCKSIZE, &sector_size))
+ return -1;
+
+ if (sector_size & (sector_size - 1) || !sector_size)
+ return -1;
+ for (log_sector_size = 0;
+ (1 << log_sector_size) < sector_size;
+ log_sector_size++);
+
+ if (log_secsize)
+ *log_secsize = log_sector_size;
+
+ return nr << log_sector_size;
+}
+
+grub_util_fd_t
+grub_util_fd_open (const char *os_dev, int flags)
+{
+ grub_util_fd_t ret;
+
+#ifdef O_LARGEFILE
+ flags |= O_LARGEFILE;
+#endif
+#ifdef O_BINARY
+ flags |= O_BINARY;
+#endif
+
+ ret = open (os_dev, flags, S_IROTH | S_IRGRP | S_IRUSR | S_IWUSR);
+
+ /* If we can't have exclusive access, try shared access */
+ if (ret < 0)
+ ret = open (os_dev, flags | O_SHLOCK, S_IROTH | S_IRGRP | S_IRUSR | S_IWUSR);
+
+ return ret;
+}
+
+void
+grub_hostdisk_flush_initial_buffer (const char *os_dev __attribute__ ((unused)))
+{
+}