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author | Patrick Williams <patrick@stwcx.xyz> | 2015-09-15 22:41:29 +0300 |
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committer | Patrick Williams <patrick@stwcx.xyz> | 2015-09-15 22:41:29 +0300 |
commit | 21f9b84b4b729fbd7acbd465e7a3f726e4d20f91 (patch) | |
tree | eb2d091d427ca0813b445509d59cc8e27e8ad25f /yocto-poky/meta/recipes-devtools/mtd/mtd-utils/fix-armv7-neon-alignment.patch | |
parent | 101cef31e2bf54c678501155cd2106251acbd076 (diff) | |
parent | c124f4f2e04dca16a428a76c89677328bc7bf908 (diff) | |
download | openbmc-21f9b84b4b729fbd7acbd465e7a3f726e4d20f91.tar.xz |
Merge commit 'c124f4f2e04dca16a428a76c89677328bc7bf908' as 'yocto-poky'
Diffstat (limited to 'yocto-poky/meta/recipes-devtools/mtd/mtd-utils/fix-armv7-neon-alignment.patch')
-rw-r--r-- | yocto-poky/meta/recipes-devtools/mtd/mtd-utils/fix-armv7-neon-alignment.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/yocto-poky/meta/recipes-devtools/mtd/mtd-utils/fix-armv7-neon-alignment.patch b/yocto-poky/meta/recipes-devtools/mtd/mtd-utils/fix-armv7-neon-alignment.patch new file mode 100644 index 000000000..05f1629d5 --- /dev/null +++ b/yocto-poky/meta/recipes-devtools/mtd/mtd-utils/fix-armv7-neon-alignment.patch @@ -0,0 +1,44 @@ +Upstream-Status: Pending + +NEON instruction VLD1.64 was used to copy 64 bits data after type +casting, and they will trigger alignment trap. +This patch uses memcpy to avoid alignment problem. + +Signed-off-by: Yuanjie Huang <Yuanjie.Huang@windriver.com> + +diff --git a/mkfs.ubifs/key.h b/mkfs.ubifs/key.h +index d3a02d4..e7e9218 100644 +--- a/mkfs.ubifs/key.h ++++ b/mkfs.ubifs/key.h +@@ -141,10 +141,12 @@ static inline void data_key_init(union ubifs_key *key, ino_t inum, + */ + static inline void key_write(const union ubifs_key *from, void *to) + { +- union ubifs_key *t = to; ++ __le32 x[2]; + +- t->j32[0] = cpu_to_le32(from->u32[0]); +- t->j32[1] = cpu_to_le32(from->u32[1]); ++ x[0] = cpu_to_le32(from->u32[0]); ++ x[1] = cpu_to_le32(from->u32[1]); ++ ++ memcpy(to, &x, 8); + memset(to + 8, 0, UBIFS_MAX_KEY_LEN - 8); + } + +@@ -156,10 +158,12 @@ static inline void key_write(const union ubifs_key *from, void *to) + */ + static inline void key_write_idx(const union ubifs_key *from, void *to) + { +- union ubifs_key *t = to; ++ __le32 x[2]; ++ ++ x[0] = cpu_to_le32(from->u32[0]); ++ x[1] = cpu_to_le32(from->u32[1]); + +- t->j32[0] = cpu_to_le32(from->u32[0]); +- t->j32[1] = cpu_to_le32(from->u32[1]); ++ memcpy(to, &x, 8); + } + + /** |