diff options
| author | Mulin Chao <mlchao@nuvoton.com> | 2015-12-28 18:04:21 +0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2015-12-30 20:40:48 -0800 |
| commit | 8d99bd934541cafc2a151bf4765877b10b4df0e9 (patch) | |
| tree | 49a50aaff98636062e670dd6e120d0df43491b3e | |
| parent | eebef1b8fd5f2caadc463b53445fe3c14c56b3c5 (diff) | |
| download | chrome-ec-stabilize-7797.B.tar.gz | |
wheatley: Add CONFIG_LTO definition to reduce FW size.stabilize-7797.B
Add CONFIG_LTO definition to reduce the size of FW image.
Modified drivers:
1. board.h: Add CONFIG_LTO definition.
2. header.c: Add __keep keyword to prevent linker ignore header during
optimization.
BUG=chrome-os-partner:34346
TEST=make buildall -j; test nuvoton IC specific drivers
BRANCH=none
Change-Id: I6205af37572a68f35f90dbd9b28d86230533ca8b
Signed-off-by: Mulin Chao <mlchao@nuvoton.com>
Reviewed-on: https://chromium-review.googlesource.com/319799
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
Reviewed-by: Shawn N <shawnn@chromium.org>
| -rw-r--r-- | board/wheatley/board.h | 1 | ||||
| -rw-r--r-- | chip/npcx/header.c | 2 |
2 files changed, 2 insertions, 1 deletions
diff --git a/board/wheatley/board.h b/board/wheatley/board.h index 72d87cdd21..643a5c91f4 100644 --- a/board/wheatley/board.h +++ b/board/wheatley/board.h @@ -51,6 +51,7 @@ #define CONFIG_LID_ANGLE_SENSOR_LID 2 #define CONFIG_LID_SWITCH #define CONFIG_LOW_POWER_IDLE +#define CONFIG_LTO #define CONFIG_POWER_BUTTON #define CONFIG_POWER_BUTTON_X86 #define CONFIG_POWER_COMMON diff --git a/chip/npcx/header.c b/chip/npcx/header.c index 49b7488b4f..0ba3ee59d6 100644 --- a/chip/npcx/header.c +++ b/chip/npcx/header.c @@ -57,7 +57,7 @@ struct __packed fw_header_t { uint32_t sig_fw_image; /* The CRC or Checksum of the firmware image */ } __aligned(1); -__attribute__ ((section(".header"))) +__keep __attribute__ ((section(".header"))) const struct fw_header_t fw_header = { /* 00 */ SIG_FW_EC, /* 04 */ 0x54E1, /* Header CRC check Enable/Disable -> AB1Eh/54E1h */ |