]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - disk/part.c
disk: make get_partition_info() always available to disk.c
[karo-tx-uboot.git] / disk / part.c
index 3c71208a12bb0e05cbb9e3e112bc83e114ceaa69..f659cc39cd0c84a5b191fbf4cc13f7f7bff44eb2 100644 (file)
@@ -74,10 +74,23 @@ block_dev_desc_t *get_dev(char* ifname, int dev)
 {
        const struct block_drvr *drvr = block_drvr;
        block_dev_desc_t* (*reloc_get_dev)(int dev);
+       char *name;
+
+       if (!ifname)
+               return NULL;
 
+       name = drvr->name;
+#ifdef CONFIG_NEEDS_MANUAL_RELOC
+       name += gd->reloc_off;
+#endif
        while (drvr->name) {
-               reloc_get_dev = drvr->get_dev + gd->reloc_off;
-               if (strncmp(ifname, drvr->name, strlen(drvr->name)) == 0)
+               name = drvr->name;
+               reloc_get_dev = drvr->get_dev;
+#ifdef CONFIG_NEEDS_MANUAL_RELOC
+               name += gd->reloc_off;
+               reloc_get_dev += gd->reloc_off;
+#endif
+               if (strncmp(ifname, name, strlen(name)) == 0)
                        return reloc_get_dev(dev);
                drvr++;
        }
@@ -101,52 +114,89 @@ block_dev_desc_t *get_dev(char* ifname, int dev)
 /*
  * reports device info to the user
  */
-void dev_print (block_dev_desc_t *dev_desc)
-{
+
 #ifdef CONFIG_LBA48
-       uint64_t lba512; /* number of blocks if 512bytes block size */
+typedef uint64_t lba512_t;
 #else
-       lbaint_t lba512;
+typedef lbaint_t lba512_t;
 #endif
 
-       if (dev_desc->type==DEV_TYPE_UNKNOWN) {
+/*
+ * Overflowless variant of (block_count * mul_by / div_by)
+ * when div_by > mul_by
+ */
+static lba512_t lba512_muldiv (lba512_t block_count, lba512_t mul_by, lba512_t div_by)
+{
+       lba512_t bc_quot, bc_rem;
+
+       /* x * m / d == x / d * m + (x % d) * m / d */
+       bc_quot = block_count / div_by;
+       bc_rem  = block_count - div_by * bc_quot;
+       return bc_quot * mul_by + (bc_rem * mul_by) / div_by;
+}
+
+void dev_print (block_dev_desc_t *dev_desc)
+{
+       lba512_t lba512; /* number of blocks if 512bytes block size */
+
+       if (dev_desc->type == DEV_TYPE_UNKNOWN) {
                puts ("not available\n");
                return;
        }
-       if (dev_desc->if_type==IF_TYPE_SCSI)  {
-               printf ("(%d:%d) ", dev_desc->target,dev_desc->lun);
-       }
-       if (dev_desc->if_type==IF_TYPE_IDE) {
+
+       switch (dev_desc->if_type) {
+       case IF_TYPE_SCSI:
+               printf ("(%d:%d) Vendor: %s Prod.: %s Rev: %s\n",
+                       dev_desc->target,dev_desc->lun,
+                       dev_desc->vendor,
+                       dev_desc->product,
+                       dev_desc->revision);
+               break;
+       case IF_TYPE_ATAPI:
+       case IF_TYPE_IDE:
+       case IF_TYPE_SATA:
                printf ("Model: %s Firm: %s Ser#: %s\n",
                        dev_desc->vendor,
                        dev_desc->revision,
                        dev_desc->product);
-       }
-       if (dev_desc->if_type==IF_TYPE_SATA) {
-               printf ("Model: %s Firm: %s Ser#: %s\n",
+               break;
+       case IF_TYPE_SD:
+       case IF_TYPE_MMC:
+       case IF_TYPE_USB:
+               printf ("Vendor: %s Rev: %s Prod: %s\n",
                        dev_desc->vendor,
                        dev_desc->revision,
                        dev_desc->product);
-       } else {
-               printf ("Vendor: %s Prod.: %s Rev: %s\n",
-                       dev_desc->vendor,
-                       dev_desc->product,
-                       dev_desc->revision);
+               break;
+       case IF_TYPE_DOC:
+               puts("device type DOC\n");
+               return;
+       case IF_TYPE_UNKNOWN:
+               puts("device type unknown\n");
+               return;
+       default:
+               printf("Unhandled device type: %i\n", dev_desc->if_type);
+               return;
        }
        puts ("            Type: ");
        if (dev_desc->removable)
                puts ("Removable ");
        switch (dev_desc->type & 0x1F) {
-               case DEV_TYPE_HARDDISK: puts ("Hard Disk");
-                                       break;
-               case DEV_TYPE_CDROM:    puts ("CD ROM");
-                                       break;
-               case DEV_TYPE_OPDISK:   puts ("Optical Device");
-                                       break;
-               case DEV_TYPE_TAPE:     puts ("Tape");
-                                       break;
-               default:                printf ("# %02X #", dev_desc->type & 0x1F);
-                                       break;
+       case DEV_TYPE_HARDDISK:
+               puts ("Hard Disk");
+               break;
+       case DEV_TYPE_CDROM:
+               puts ("CD ROM");
+               break;
+       case DEV_TYPE_OPDISK:
+               puts ("Optical Device");
+               break;
+       case DEV_TYPE_TAPE:
+               puts ("Tape");
+               break;
+       default:
+               printf ("# %02X #", dev_desc->type & 0x1F);
+               break;
        }
        puts ("\n");
        if ((dev_desc->lba * dev_desc->blksz)>0L) {
@@ -156,8 +206,9 @@ void dev_print (block_dev_desc_t *dev_desc)
                lba = dev_desc->lba;
 
                lba512 = (lba * (dev_desc->blksz/512));
-               mb = (10 * lba512) / 2048;      /* 2048 = (1024 * 1024) / 512 MB */
                /* round to 1 digit */
+               mb = lba512_muldiv(lba512, 10, 2048);   /* 2048 = (1024 * 1024) / 512 MB */
+
                mb_quot = mb / 10;
                mb_rem  = mb - (10 * mb_quot);
 
@@ -168,8 +219,8 @@ void dev_print (block_dev_desc_t *dev_desc)
                if (dev_desc->lba48)
                        printf ("            Supports 48-bit addressing\n");
 #endif
-#if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
-               printf ("            Capacity: %ld.%ld MB = %ld.%ld GB (%qd x %ld)\n",
+#if defined(CONFIG_SYS_64BIT_LBA)
+               printf ("            Capacity: %ld.%ld MB = %ld.%ld GB (%Ld x %ld)\n",
                        mb_quot, mb_rem,
                        gb_quot, gb_rem,
                        lba,
@@ -192,12 +243,13 @@ void dev_print (block_dev_desc_t *dev_desc)
      defined(CONFIG_CMD_SCSI) || \
      defined(CONFIG_CMD_USB) || \
      defined(CONFIG_MMC)               || \
-     defined(CONFIG_SYSTEMACE)          )
+     defined(CONFIG_SYSTEMACE) )
 
 #if defined(CONFIG_MAC_PARTITION) || \
     defined(CONFIG_DOS_PARTITION) || \
     defined(CONFIG_ISO_PARTITION) || \
-    defined(CONFIG_AMIGA_PARTITION)
+    defined(CONFIG_AMIGA_PARTITION) || \
+    defined(CONFIG_EFI_PARTITION)
 
 void init_part (block_dev_desc_t * dev_desc)
 {
@@ -215,6 +267,14 @@ void init_part (block_dev_desc_t * dev_desc)
        }
 #endif
 
+/* must be placed before DOS partition detection */
+#ifdef CONFIG_EFI_PARTITION
+       if (test_part_efi(dev_desc) == 0) {
+               dev_desc->part_type = PART_TYPE_EFI;
+               return;
+       }
+#endif
+
 #ifdef CONFIG_DOS_PARTITION
        if (test_part_dos(dev_desc) == 0) {
                dev_desc->part_type = PART_TYPE_DOS;
@@ -231,71 +291,35 @@ void init_part (block_dev_desc_t * dev_desc)
 }
 
 
-int get_partition_info (block_dev_desc_t *dev_desc, int part
-                                       , disk_partition_t *info)
+static void print_part_header (const char *type, block_dev_desc_t * dev_desc)
 {
-       switch (dev_desc->part_type) {
-#ifdef CONFIG_MAC_PARTITION
-       case PART_TYPE_MAC:
-               if (get_partition_info_mac(dev_desc,part,info) == 0) {
-                       PRINTF ("## Valid MAC partition found ##\n");
-                       return (0);
-               }
+       puts ("\nPartition Map for ");
+       switch (dev_desc->if_type) {
+       case IF_TYPE_IDE:
+               puts ("IDE");
                break;
-#endif
-
-#ifdef CONFIG_DOS_PARTITION
-       case PART_TYPE_DOS:
-               if (get_partition_info_dos(dev_desc,part,info) == 0) {
-                       PRINTF ("## Valid DOS partition found ##\n");
-                       return (0);
-               }
+       case IF_TYPE_SATA:
+               puts ("SATA");
                break;
-#endif
-
-#ifdef CONFIG_ISO_PARTITION
-       case PART_TYPE_ISO:
-               if (get_partition_info_iso(dev_desc,part,info) == 0) {
-                       PRINTF ("## Valid ISO boot partition found ##\n");
-                       return (0);
-               }
+       case IF_TYPE_SCSI:
+               puts ("SCSI");
+               break;
+       case IF_TYPE_ATAPI:
+               puts ("ATAPI");
+               break;
+       case IF_TYPE_USB:
+               puts ("USB");
+               break;
+       case IF_TYPE_DOC:
+               puts ("DOC");
+               break;
+       case IF_TYPE_MMC:
+               puts ("MMC");
                break;
-#endif
-
-#ifdef CONFIG_AMIGA_PARTITION
-       case PART_TYPE_AMIGA:
-           if (get_partition_info_amiga(dev_desc, part, info) == 0)
-           {
-               PRINTF ("## Valid Amiga partition found ##\n");
-               return (0);
-           }
-           break;
-#endif
        default:
+               puts ("UNKNOWN");
                break;
        }
-       return (-1);
-}
-
-static void print_part_header (const char *type, block_dev_desc_t * dev_desc)
-{
-       puts ("\nPartition Map for ");
-       switch (dev_desc->if_type) {
-               case IF_TYPE_IDE:       puts ("IDE");
-                                       break;
-               case IF_TYPE_SATA:      puts ("SATA");
-                                       break;
-               case IF_TYPE_SCSI:      puts ("SCSI");
-                                       break;
-               case IF_TYPE_ATAPI:     puts ("ATAPI");
-                                       break;
-               case IF_TYPE_USB:       puts ("USB");
-                                       break;
-               case IF_TYPE_DOC:       puts ("DOC");
-                                       break;
-               default:                puts ("UNKNOWN");
-                                       break;
-       }
        printf (" device %d  --   Partition Type: %s\n\n",
                        dev_desc->dev, type);
 }
@@ -334,14 +358,86 @@ void print_part (block_dev_desc_t * dev_desc)
            print_part_amiga (dev_desc);
            return;
 #endif
+
+#ifdef CONFIG_EFI_PARTITION
+       case PART_TYPE_EFI:
+               PRINTF ("## Testing for valid EFI partition ##\n");
+               print_part_header ("EFI", dev_desc);
+               print_part_efi (dev_desc);
+               return;
+#endif
        }
        puts ("## Unknown partition table\n");
 }
 
 
-#else  /* neither MAC nor DOS nor ISO partition configured */
+#else  /* neither MAC nor DOS nor ISO nor AMIGA nor EFI partition configured */
 # error neither CONFIG_MAC_PARTITION nor CONFIG_DOS_PARTITION
-# error nor CONFIG_ISO_PARTITION configured!
+# error nor CONFIG_ISO_PARTITION nor CONFIG_AMIGA_PARTITION
+# error nor CONFIG_EFI_PARTITION configured!
 #endif
 
 #endif
+
+int get_partition_info(block_dev_desc_t *dev_desc, int part
+                                       , disk_partition_t *info)
+{
+#if defined(CONFIG_CMD_IDE) || \
+       defined(CONFIG_CMD_SATA) || \
+       defined(CONFIG_CMD_SCSI) || \
+       defined(CONFIG_CMD_USB) || \
+       defined(CONFIG_MMC) || \
+       defined(CONFIG_SYSTEMACE)
+
+       switch (dev_desc->part_type) {
+#ifdef CONFIG_MAC_PARTITION
+       case PART_TYPE_MAC:
+               if (get_partition_info_mac(dev_desc, part, info) == 0) {
+                       PRINTF("## Valid MAC partition found ##\n");
+                       return 0;
+               }
+               break;
+#endif
+
+#ifdef CONFIG_DOS_PARTITION
+       case PART_TYPE_DOS:
+               if (get_partition_info_dos(dev_desc, part, info) == 0) {
+                       PRINTF("## Valid DOS partition found ##\n");
+                       return 0;
+               }
+               break;
+#endif
+
+#ifdef CONFIG_ISO_PARTITION
+       case PART_TYPE_ISO:
+               if (get_partition_info_iso(dev_desc, part, info) == 0) {
+                       PRINTF("## Valid ISO boot partition found ##\n");
+                       return 0;
+               }
+               break;
+#endif
+
+#ifdef CONFIG_AMIGA_PARTITION
+       case PART_TYPE_AMIGA:
+               if (get_partition_info_amiga(dev_desc, part, info) == 0) {
+                       PRINTF("## Valid Amiga partition found ##\n");
+                       return 0;
+               }
+               break;
+#endif
+
+#ifdef CONFIG_EFI_PARTITION
+       case PART_TYPE_EFI:
+               if (get_partition_info_efi(dev_desc, part, info) == 0) {
+                       PRINTF("## Valid EFI partition found ##\n");
+                       return 0;
+               }
+               break;
+#endif
+       default:
+               break;
+       }
+#endif
+
+       return -1;
+}