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[U-Boot,RFC,12/20] sandbox: Force command sections to be 4-byte aligned

Message ID 1316278139-28635-13-git-send-email-sjg@chromium.org
State Accepted, archived
Commit 8edf844f1b652bc81604d9b5fab59e2fa80fe3af
Headers show

Commit Message

Simon Glass Sept. 17, 2011, 4:48 p.m. UTC
By default sections are 16-byte aligned on some architectures, but the
command name structure (struct cmd_tbl_s) does not have padding to
16 bytes. This reduces the alignment to 4-bytes so that the command
table can be accessed correctly on any architecture.

(Note: this needs doing properly)

Signed-off-by: Simon Glass <sjg@chromium.org>
---
 include/command.h |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
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Patch

diff --git a/include/command.h b/include/command.h
index f1accd0..c270110 100644
--- a/include/command.h
+++ b/include/command.h
@@ -117,7 +117,8 @@  extern int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
 #define CMD_FLAG_REPEAT		0x0001	/* repeat last command		*/
 #define CMD_FLAG_BOOTD		0x0002	/* command is from bootd	*/
 
-#define Struct_Section  __attribute__ ((unused,section (".u_boot_cmd")))
+#define Struct_Section  __attribute__((unused, section(".u_boot_cmd"), \
+		aligned(4)))
 
 #ifdef CONFIG_AUTO_COMPLETE
 # define _CMD_COMPLETE(x) x,