X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=disk%2Fpart_dos.c;h=84e672b47b92e23680686833770e87b7a2d86031;hb=95336738f1cf2d4fabfc9bfc4981fa14714efc30;hp=628066041bb4a05930be989539c95f4a77728a64;hpb=774da4b9aadeea4d6973a16debc02a6801ff9344;p=u-boot

diff --git a/disk/part_dos.c b/disk/part_dos.c
index 628066041b..84e672b47b 100644
--- a/disk/part_dos.c
+++ b/disk/part_dos.c
@@ -20,7 +20,7 @@
 #include <memalign.h>
 #include "part_dos.h"
 
-#ifdef HAVE_BLOCK_DEVICE
+#ifdef CONFIG_HAVE_BLOCK_DEVICE
 
 #define DOS_PART_DEFAULT_SECTOR 512
 
@@ -44,7 +44,7 @@ static inline int is_extended(int part_type)
 
 static inline int is_bootable(dos_partition_t *p)
 {
-	return p->boot_ind == 0x80;
+	return (p->sys_ind == 0xef) || (p->boot_ind == 0x80);
 }
 
 static void print_one_part(dos_partition_t *p, lbaint_t ext_part_sector,
@@ -87,22 +87,38 @@ static int test_block_type(unsigned char *buffer)
 }
 
 
-int test_part_dos (block_dev_desc_t *dev_desc)
+static int part_test_dos(struct blk_desc *dev_desc)
 {
+#ifndef CONFIG_SPL_BUILD
+	ALLOC_CACHE_ALIGN_BUFFER(legacy_mbr, mbr, 1);
+
+	if (blk_dread(dev_desc, 0, 1, (ulong *)mbr) != 1)
+		return -1;
+
+	if (test_block_type((unsigned char *)mbr) != DOS_MBR)
+		return -1;
+
+	if (dev_desc->sig_type == SIG_TYPE_NONE &&
+	    mbr->unique_mbr_signature != 0) {
+		dev_desc->sig_type = SIG_TYPE_MBR;
+		dev_desc->mbr_sig = mbr->unique_mbr_signature;
+	}
+#else
 	ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buffer, dev_desc->blksz);
 
-	if (dev_desc->block_read(dev_desc->dev, 0, 1, (ulong *) buffer) != 1)
+	if (blk_dread(dev_desc, 0, 1, (ulong *)buffer) != 1)
 		return -1;
 
 	if (test_block_type(buffer) != DOS_MBR)
 		return -1;
+#endif
 
 	return 0;
 }
 
 /*  Print a partition that is relative to its Extended partition table
  */
-static void print_partition_extended(block_dev_desc_t *dev_desc,
+static void print_partition_extended(struct blk_desc *dev_desc,
 				     lbaint_t ext_part_sector,
 				     lbaint_t relative,
 				     int part_num, unsigned int disksig)
@@ -111,9 +127,9 @@ static void print_partition_extended(block_dev_desc_t *dev_desc,
 	dos_partition_t *pt;
 	int i;
 
-	if (dev_desc->block_read(dev_desc->dev, ext_part_sector, 1, (ulong *) buffer) != 1) {
+	if (blk_dread(dev_desc, ext_part_sector, 1, (ulong *)buffer) != 1) {
 		printf ("** Can't read partition table on %d:" LBAFU " **\n",
-			dev_desc->dev, ext_part_sector);
+			dev_desc->devnum, ext_part_sector);
 		return;
 	}
 	i=test_block_type(buffer);
@@ -166,20 +182,19 @@ static void print_partition_extended(block_dev_desc_t *dev_desc,
 
 /*  Print a partition that is relative to its Extended partition table
  */
-static int get_partition_info_extended (block_dev_desc_t *dev_desc,
-				 lbaint_t ext_part_sector,
-				 lbaint_t relative, int part_num,
-				 int which_part, disk_partition_t *info,
-				 unsigned int disksig)
+static int part_get_info_extended(struct blk_desc *dev_desc,
+				  lbaint_t ext_part_sector, lbaint_t relative,
+				  int part_num, int which_part,
+				  disk_partition_t *info, unsigned int disksig)
 {
 	ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buffer, dev_desc->blksz);
 	dos_partition_t *pt;
 	int i;
 	int dos_type;
 
-	if (dev_desc->block_read (dev_desc->dev, ext_part_sector, 1, (ulong *) buffer) != 1) {
+	if (blk_dread(dev_desc, ext_part_sector, 1, (ulong *)buffer) != 1) {
 		printf ("** Can't read partition table on %d:" LBAFU " **\n",
-			dev_desc->dev, ext_part_sector);
+			dev_desc->devnum, ext_part_sector);
 		return -1;
 	}
 	if (buffer[DOS_PART_MAGIC_OFFSET] != 0x55 ||
@@ -190,7 +205,7 @@ static int get_partition_info_extended (block_dev_desc_t *dev_desc,
 		return -1;
 	}
 
-#ifdef CONFIG_PARTITION_UUIDS
+#if CONFIG_IS_ENABLED(PARTITION_UUIDS)
 	if (!ext_part_sector)
 		disksig = le32_to_int(&buffer[DOS_PART_DISKSIG_OFFSET]);
 #endif
@@ -205,41 +220,20 @@ static int get_partition_info_extended (block_dev_desc_t *dev_desc,
 		if (((pt->boot_ind & ~0x80) == 0) &&
 		    (pt->sys_ind != 0) &&
 		    (part_num == which_part) &&
-		    (is_extended(pt->sys_ind) == 0)) {
+		    (ext_part_sector == 0 || is_extended(pt->sys_ind) == 0)) {
 			info->blksz = DOS_PART_DEFAULT_SECTOR;
 			info->start = (lbaint_t)(ext_part_sector +
 					le32_to_int(pt->start4));
 			info->size  = (lbaint_t)le32_to_int(pt->size4);
-			switch(dev_desc->if_type) {
-				case IF_TYPE_IDE:
-				case IF_TYPE_SATA:
-				case IF_TYPE_ATAPI:
-					sprintf ((char *)info->name, "hd%c%d",
-						'a' + dev_desc->dev, part_num);
-					break;
-				case IF_TYPE_SCSI:
-					sprintf ((char *)info->name, "sd%c%d",
-						'a' + dev_desc->dev, part_num);
-					break;
-				case IF_TYPE_USB:
-					sprintf ((char *)info->name, "usbd%c%d",
-						'a' + dev_desc->dev, part_num);
-					break;
-				case IF_TYPE_DOC:
-					sprintf ((char *)info->name, "docd%c%d",
-						'a' + dev_desc->dev, part_num);
-					break;
-				default:
-					sprintf ((char *)info->name, "xx%c%d",
-						'a' + dev_desc->dev, part_num);
-					break;
-			}
+			part_set_generic_name(dev_desc, part_num,
+					      (char *)info->name);
 			/* sprintf(info->type, "%d, pt->sys_ind); */
-			sprintf ((char *)info->type, "U-Boot");
+			strcpy((char *)info->type, "U-Boot");
 			info->bootable = is_bootable(pt);
-#ifdef CONFIG_PARTITION_UUIDS
+#if CONFIG_IS_ENABLED(PARTITION_UUIDS)
 			sprintf(info->uuid, "%08x-%02x", disksig, part_num);
 #endif
+			info->sys_ind = pt->sys_ind;
 			return 0;
 		}
 
@@ -257,7 +251,7 @@ static int get_partition_info_extended (block_dev_desc_t *dev_desc,
 			lbaint_t lba_start
 				= le32_to_int (pt->start4) + relative;
 
-			return get_partition_info_extended (dev_desc, lba_start,
+			return part_get_info_extended(dev_desc, lba_start,
 				 ext_part_sector == 0 ? lba_start : relative,
 				 part_num, which_part, info, disksig);
 		}
@@ -271,8 +265,8 @@ static int get_partition_info_extended (block_dev_desc_t *dev_desc,
 		info->size = dev_desc->lba;
 		info->blksz = DOS_PART_DEFAULT_SECTOR;
 		info->bootable = 0;
-		sprintf ((char *)info->type, "U-Boot");
-#ifdef CONFIG_PARTITION_UUIDS
+		strcpy((char *)info->type, "U-Boot");
+#if CONFIG_IS_ENABLED(PARTITION_UUIDS)
 		info->uuid[0] = 0;
 #endif
 		return 0;
@@ -281,16 +275,45 @@ static int get_partition_info_extended (block_dev_desc_t *dev_desc,
 	return -1;
 }
 
-void print_part_dos (block_dev_desc_t *dev_desc)
+void part_print_dos(struct blk_desc *dev_desc)
 {
 	printf("Part\tStart Sector\tNum Sectors\tUUID\t\tType\n");
 	print_partition_extended(dev_desc, 0, 0, 1, 0);
 }
 
-int get_partition_info_dos (block_dev_desc_t *dev_desc, int part, disk_partition_t * info)
+int part_get_info_dos(struct blk_desc *dev_desc, int part,
+		      disk_partition_t *info)
 {
-	return get_partition_info_extended(dev_desc, 0, 0, 1, part, info, 0);
+	return part_get_info_extended(dev_desc, 0, 0, 1, part, info, 0);
+}
+
+int is_valid_dos_buf(void *buf)
+{
+	return test_block_type(buf) == DOS_MBR ? 0 : -1;
+}
+
+int write_mbr_partition(struct blk_desc *dev_desc, void *buf)
+{
+	if (is_valid_dos_buf(buf))
+		return -1;
+
+	/* write MBR */
+	if (blk_dwrite(dev_desc, 0, 1, buf) != 1) {
+		printf("%s: failed writing '%s' (1 blks at 0x0)\n",
+		       __func__, "MBR");
+		return 1;
+	}
+
+	return 0;
 }
 
+U_BOOT_PART_TYPE(dos) = {
+	.name		= "DOS",
+	.part_type	= PART_TYPE_DOS,
+	.max_entries	= DOS_ENTRY_NUMBERS,
+	.get_info	= part_get_info_ptr(part_get_info_dos),
+	.print		= part_print_ptr(part_print_dos),
+	.test		= part_test_dos,
+};
 
 #endif