grub2 64bit system compatible

["bibo,mao" <bibo.mao@intel.com>]

Hi,
   The following is grub2 64-bit system compatible patch, in 64-bit
system unsigned long is defined as 64-bit, but not 32-bit. This
patch modify this point.

Thanks
bibo,mao

--- grub2/fs/fat.c	2006-06-04 23:56:54.000000000 +0800
+++ grub2.new/fs/fat.c	2006-09-07 16:49:50.000000000 +0800
@@ -243,7 +243,7 @@ grub_fat_mount (grub_disk_t disk)
   else
     {
       /* FAT12 or FAT16.  */
-      data->root_cluster = ~0UL;
+      data->root_cluster = 0xFFFFFFFF;
 
       if (data->num_clusters <= 4085 + 2)
 	{
@@ -297,7 +297,7 @@ grub_fat_mount (grub_disk_t disk)
 
   /* Start from the root directory.  */
   data->file_cluster = data->root_cluster;
-  data->cur_cluster_num = ~0UL;
+  data->cur_cluster_num = 0xFFFFFFFF;
   data->attr = GRUB_FAT_ATTR_DIRECTORY;
   return data;
 
@@ -322,7 +322,7 @@ grub_fat_read_data (grub_disk_t disk, st
   
   /* This is a special case. FAT12 and FAT16 doesn't have the root directory
      in clusters.  */
-  if (data->file_cluster == ~0UL)
+  if (data->file_cluster == 0xFFFFFFFF)
     {
       size = (data->num_root_sectors << GRUB_DISK_SECTOR_BITS) - offset;
       if (size > len)
@@ -618,7 +618,7 @@ grub_fat_find_dir (grub_disk_t disk, str
   data->file_size = grub_le_to_cpu32 (dir.file_size);
   data->file_cluster = ((grub_le_to_cpu16 (dir.first_cluster_high) << 16)
 			| grub_le_to_cpu16 (dir.first_cluster_low));
-  data->cur_cluster_num = ~0UL;
+  data->cur_cluster_num = 0xFFFFFFFF;
   
   return dirp;
 }
--- grub2/disk/loopback.c	2006-06-04 23:56:54.000000000 +0800
+++ grub2.new/disk/loopback.c	2006-09-07 16:32:06.000000000 +0800
@@ -179,7 +179,7 @@ grub_loopback_open (const char *name, gr
   /* Use the filesize for the disk size, round up to a complete sector.  */
   disk->total_sectors = ((file->size + GRUB_DISK_SECTOR_SIZE - 1)
 			 / GRUB_DISK_SECTOR_SIZE);
-  disk->id = (int) dev;
+  disk->id = (unsigned long) dev;
   
   disk->has_partitions = dev->has_partitions;
   disk->data = file;
--- grub2/include/grub/efi/api.h	2006-05-28 05:09:25.000000000 +0800
+++ grub2.new/include/grub/efi/api.h	2006-09-07 16:32:06.000000000 +0800
@@ -167,7 +168,7 @@ typedef grub_uint16_t grub_efi_char16_t;
 typedef grub_efi_intn_t grub_efi_status_t;
 
 #define GRUB_EFI_ERROR_CODE(value)	\
-  ((1 << (sizeof (grub_efi_status_t) * 8 - 1)) | (value))
+  ((0x1L << (sizeof (grub_efi_status_t) * 8 - 1)) | (value))
 
 #define GRUB_EFI_WARNING_CODE(value)	(value)