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kernel: make uImage.FIT partition parser work on MBR partitions

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Introduce new partition type 0x2e representing uImage.FIT and trigger
FIT partition parser on partitions having that type.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
This commit is contained in:
Daniel Golle 2021-07-12 16:54:45 +01:00
parent 932366fdd9
commit 8d633bf9f7
2 changed files with 38 additions and 2 deletions
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4
target/linux/generic/files/block/partitions/fit.c
View File

@ -189,8 +189,8 @@ int parse_fit_partitions(struct parsed_partitions *state, u64 fit_start_sector,
image_description = fdt_getprop(fit, node, FIT_DESC_PROP, &image_description_len);
printk(KERN_DEBUG "FIT: %16s sub-image 0x%08x - 0x%08x \"%s\" %s%s%s\n",
image_type, image_pos, image_pos + image_len, image_name,
printk(KERN_DEBUG "FIT: %16s sub-image 0x%08x..0x%08x \"%s\" %s%s%s\n",
image_type, image_pos, image_pos + image_len - 1, image_name,
image_description?"(":"", image_description?:"", image_description?") ":"");
if (strcmp(image_type, FIT_FILESYSTEM_PROP))

36
target/linux/generic/hack-5.10/410-block-fit-partition-parser.patch
View File

@ -217,3 +217,39 @@
set_capacity(gd, ((u64)new->size * tr->blksize) >> 9);
--- a/block/partitions/msdos.c
+++ b/block/partitions/msdos.c
@@ -565,6 +565,15 @@ static void parse_minix(struct parsed_pa
#endif /* CONFIG_MINIX_SUBPARTITION */
}
+static void parse_fit_mbr(struct parsed_partitions *state,
+ sector_t offset, sector_t size, int origin)
+{
+#ifdef CONFIG_FIT_PARTITION
+ u32 extra_slot = 64;
+ (void) parse_fit_partitions(state, offset, size, &extra_slot, 1);
+#endif /* CONFIG_FIT_PARTITION */
+}
+
static struct {
unsigned char id;
void (*parse)(struct parsed_partitions *, sector_t, sector_t, int);
@@ -576,6 +585,7 @@ static struct {
{UNIXWARE_PARTITION, parse_unixware},
{SOLARIS_X86_PARTITION, parse_solaris_x86},
{NEW_SOLARIS_X86_PARTITION, parse_solaris_x86},
+ {FIT_PARTITION, parse_fit_mbr},
{0, NULL},
};
--- a/include/linux/msdos_partition.h
+++ b/include/linux/msdos_partition.h
@@ -31,6 +31,7 @@ enum msdos_sys_ind {
LINUX_LVM_PARTITION = 0x8e,
LINUX_RAID_PARTITION = 0xfd, /* autodetect RAID partition */
+ FIT_PARTITION = 0x2e, /* U-Boot uImage.FIT */
SOLARIS_X86_PARTITION = 0x82, /* also Linux swap partitions */
NEW_SOLARIS_X86_PARTITION = 0xbf,