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| author | Soby Mathew <soby.mathew@arm.com> | 2016-01-12 10:30:59 +0000 |
|---|---|---|
| committer | Soby Mathew <soby.mathew@arm.com> | 2016-01-13 09:39:40 +0000 |
| commit | b313d755a7fe92ab5e576376a10051db1ba1c92f (patch) | |
| tree | 0694e0ca3cd8f435f50e1c7a30d0b444ab3c7b79 /include/common | |
| parent | 7b3aabc0cfed0615b03887edfda12ce46a3a8335 (diff) | |
Rearrange fields in TF data structures to reduce padding
This patch rearranges fields of the `image_desc_t` & `auth_img_desc_t`
data structures to reduce padding between the fields and thereby
save memory.
NOTE: Platform ports which anonymously initialize these structures
should be aware of the rearrangement and do the required
modification.
Change-Id: I428b5429632797b31d5bd306174599c07e24c060
Diffstat (limited to 'include/common')
| -rw-r--r-- | include/common/bl_common.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/include/common/bl_common.h b/include/common/bl_common.h index 0ec7a8d8..e5e6717b 100644 --- a/include/common/bl_common.h +++ b/include/common/bl_common.h @@ -202,8 +202,9 @@ typedef struct param_header { * switching exception levels. The only two mechanisms to do so are * ERET & SMC. Security state is indicated using bit zero of header * attribute - * NOTE: BL1 expects entrypoint followed by spsr while processing - * SMC to jump to BL31 from the start of entry_point_info + * NOTE: BL1 expects entrypoint followed by spsr at an offset from the start + * of this structure defined by the macro `ENTRY_POINT_INFO_PC_OFFSET` while + * processing SMC to jump to BL31. *****************************************************************************/ typedef struct entry_point_info { param_header_t h; @@ -232,13 +233,13 @@ typedef struct image_info { typedef struct image_desc { /* Contains unique image id for the image. */ unsigned int image_id; - image_info_t image_info; - entry_point_info_t ep_info; /* * This member contains Image state information. * Refer IMAGE_STATE_XXX defined above. */ unsigned int state; + image_info_t image_info; + entry_point_info_t ep_info; } image_desc_t; /******************************************************************************* |