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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>
This commit is contained in:
Marek Szyprowski 2020-12-23 13:55:12 +01:00 committed by Tom Rini
parent 80bd05f27f
commit 97163dd1ac
1 changed files with 9 additions and 19 deletions
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28
disk/part_dos.c
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@ -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,