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| author | Marek Szyprowski <m.szyprowski@samsung.com> | 2020-12-23 13:55:12 +0100 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2021-01-15 14:38:00 -0500 |
| commit | 97163dd1ac5bff3823106ee33c3f34177e3c82d7 (patch) | |
| tree | ec2e3b0201025fc6b841b6b050f656f36182f7b9 /disk | |
| parent | 80bd05f27fb4e26e765cfb5bde43166a48c218e1 (diff) | |
| download | u-boot-97163dd1ac5bff3823106ee33c3f34177e3c82d7.tar.gz u-boot-97163dd1ac5bff3823106ee33c3f34177e3c82d7.tar.bz2 u-boot-97163dd1ac5bff3823106ee33c3f34177e3c82d7.zip | |
disk: dos: use generic macro for unaligned le32 access
Use a generic helper for reading LE32 integers.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Diffstat (limited to 'disk')
| -rw-r--r-- | disk/part_dos.c | 28 |
1 files changed, 9 insertions, 19 deletions
diff --git a/disk/part_dos.c b/disk/part_dos.c index 20d35dc9cd..3b79b9b1b8 100644 --- a/disk/part_dos.c +++ b/disk/part_dos.c @@ -18,6 +18,7 @@ #include <command.h> #include <ide.h> #include <memalign.h> +#include <asm/unaligned.h> #include "part_dos.h" #include <part.h> @@ -29,17 +30,6 @@ * to use large numbers of partitions */ #define MAX_EXT_PARTS 256 -/* Convert char[4] in little endian format to the host format integer - */ -static inline unsigned int le32_to_int(unsigned char *le32) -{ - return ((le32[3] << 24) + - (le32[2] << 16) + - (le32[1] << 8) + - le32[0] - ); -} - static inline int is_extended(int part_type) { return (part_type == DOS_PART_TYPE_EXTENDED || @@ -61,8 +51,8 @@ static int get_bootable(dos_partition_t *p) static void print_one_part(dos_partition_t *p, lbaint_t ext_part_sector, int part_num, unsigned int disksig) { - lbaint_t lba_start = ext_part_sector + le32_to_int (p->start4); - lbaint_t lba_size = le32_to_int (p->size4); + lbaint_t lba_start = ext_part_sector + get_unaligned_le32(p->start4); + lbaint_t lba_size = get_unaligned_le32(p->size4); printf("%3d\t%-10" LBAFlength "u\t%-10" LBAFlength "u\t%08x-%02x\t%02x%s%s\n", @@ -171,7 +161,7 @@ static void print_partition_extended(struct blk_desc *dev_desc, } if (!ext_part_sector) - disksig = le32_to_int(&buffer[DOS_PART_DISKSIG_OFFSET]); + disksig = get_unaligned_le32(&buffer[DOS_PART_DISKSIG_OFFSET]); /* Print all primary/logical partitions */ pt = (dos_partition_t *) (buffer + DOS_PART_TBL_OFFSET); @@ -198,7 +188,7 @@ static void print_partition_extended(struct blk_desc *dev_desc, for (i = 0; i < 4; i++, pt++) { if (is_extended (pt->sys_ind)) { lbaint_t lba_start - = le32_to_int (pt->start4) + relative; + = get_unaligned_le32 (pt->start4) + relative; print_partition_extended(dev_desc, lba_start, ext_part_sector == 0 ? lba_start : relative, @@ -244,7 +234,7 @@ static int part_get_info_extended(struct blk_desc *dev_desc, #if CONFIG_IS_ENABLED(PARTITION_UUIDS) if (!ext_part_sector) - disksig = le32_to_int(&buffer[DOS_PART_DISKSIG_OFFSET]); + disksig = get_unaligned_le32(&buffer[DOS_PART_DISKSIG_OFFSET]); #endif /* Print all primary/logical partitions */ @@ -260,8 +250,8 @@ static int part_get_info_extended(struct blk_desc *dev_desc, (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); + get_unaligned_le32(pt->start4)); + info->size = (lbaint_t)get_unaligned_le32(pt->size4); part_set_generic_name(dev_desc, part_num, (char *)info->name); /* sprintf(info->type, "%d, pt->sys_ind); */ @@ -286,7 +276,7 @@ static int part_get_info_extended(struct blk_desc *dev_desc, for (i = 0; i < 4; i++, pt++) { if (is_extended (pt->sys_ind)) { lbaint_t lba_start - = le32_to_int (pt->start4) + relative; + = get_unaligned_le32 (pt->start4) + relative; return part_get_info_extended(dev_desc, lba_start, ext_part_sector == 0 ? lba_start : relative, |