From d29892ba854f40980b84f86566cd0c2308c66afe Mon Sep 17 00:00:00 2001 From: Stefan Monnier Date: Tue, 25 Aug 2015 15:24:13 -0400 Subject: part_dos.c: Don't wrap to negative after 2G sectors In order to support large IDE disks we need to make certain types be lbaint_t now. Reviewed-by: Tom Rini Signed-off-by: Stefan Monnier --- disk/part_dos.c | 29 +++++++++++++++++------------ 1 file changed, 17 insertions(+), 12 deletions(-) (limited to 'disk') diff --git a/disk/part_dos.c b/disk/part_dos.c index 89263d3..6280660 100644 --- a/disk/part_dos.c +++ b/disk/part_dos.c @@ -26,7 +26,7 @@ /* Convert char[4] in little endian format to the host format integer */ -static inline int le32_to_int(unsigned char *le32) +static inline unsigned int le32_to_int(unsigned char *le32) { return ((le32[3] << 24) + (le32[2] << 16) + @@ -47,13 +47,14 @@ static inline int is_bootable(dos_partition_t *p) return p->boot_ind == 0x80; } -static void print_one_part(dos_partition_t *p, int ext_part_sector, +static void print_one_part(dos_partition_t *p, lbaint_t ext_part_sector, int part_num, unsigned int disksig) { - int lba_start = ext_part_sector + le32_to_int (p->start4); - int lba_size = le32_to_int (p->size4); + lbaint_t lba_start = ext_part_sector + le32_to_int (p->start4); + lbaint_t lba_size = le32_to_int (p->size4); - printf("%3d\t%-10d\t%-10d\t%08x-%02x\t%02x%s%s\n", + printf("%3d\t%-10" LBAFlength "u\t%-10" LBAFlength + "u\t%08x-%02x\t%02x%s%s\n", part_num, lba_start, lba_size, disksig, part_num, p->sys_ind, (is_extended(p->sys_ind) ? " Extd" : ""), (is_bootable(p) ? " Boot" : "")); @@ -102,7 +103,8 @@ int test_part_dos (block_dev_desc_t *dev_desc) /* Print a partition that is relative to its Extended partition table */ static void print_partition_extended(block_dev_desc_t *dev_desc, - int ext_part_sector, int relative, + lbaint_t ext_part_sector, + lbaint_t relative, int part_num, unsigned int disksig) { ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buffer, dev_desc->blksz); @@ -110,7 +112,7 @@ static void print_partition_extended(block_dev_desc_t *dev_desc, int i; if (dev_desc->block_read(dev_desc->dev, ext_part_sector, 1, (ulong *) buffer) != 1) { - printf ("** Can't read partition table on %d:%d **\n", + printf ("** Can't read partition table on %d:" LBAFU " **\n", dev_desc->dev, ext_part_sector); return; } @@ -149,7 +151,8 @@ static void print_partition_extended(block_dev_desc_t *dev_desc, pt = (dos_partition_t *) (buffer + DOS_PART_TBL_OFFSET); for (i = 0; i < 4; i++, pt++) { if (is_extended (pt->sys_ind)) { - int lba_start = le32_to_int (pt->start4) + relative; + lbaint_t lba_start + = le32_to_int (pt->start4) + relative; print_partition_extended(dev_desc, lba_start, ext_part_sector == 0 ? lba_start : relative, @@ -163,8 +166,9 @@ 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, int ext_part_sector, - int relative, int part_num, +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) { @@ -174,7 +178,7 @@ static int get_partition_info_extended (block_dev_desc_t *dev_desc, int ext_part int dos_type; if (dev_desc->block_read (dev_desc->dev, ext_part_sector, 1, (ulong *) buffer) != 1) { - printf ("** Can't read partition table on %d:%d **\n", + printf ("** Can't read partition table on %d:" LBAFU " **\n", dev_desc->dev, ext_part_sector); return -1; } @@ -250,7 +254,8 @@ static int get_partition_info_extended (block_dev_desc_t *dev_desc, int ext_part pt = (dos_partition_t *) (buffer + DOS_PART_TBL_OFFSET); for (i = 0; i < 4; i++, pt++) { if (is_extended (pt->sys_ind)) { - int lba_start = le32_to_int (pt->start4) + relative; + lbaint_t lba_start + = le32_to_int (pt->start4) + relative; return get_partition_info_extended (dev_desc, lba_start, ext_part_sector == 0 ? lba_start : relative, -- cgit v1.1