[U-Boot] [PATCH] ARM: omapl138_lcdk: Shrink code size by building with Thumb
SPL has limited available resources, and the performance between ARM and Thumb isn't that significant.
This patch builds using Thumb instruction set to reduce the code size by nearly 6K.
Original: text data bss dec hex filename 26526 4004 1376 31906 7ca2 spl/u-boot-spl
Thumb:
text data bss dec hex filename 20232 4004 1376 25612 640c spl/u-boot-spl
Signed-off-by: Adam Ford aford173@gmail.com
diff --git a/configs/omapl138_lcdk_defconfig b/configs/omapl138_lcdk_defconfig index 9821df9884..16287a4ac2 100644 --- a/configs/omapl138_lcdk_defconfig +++ b/configs/omapl138_lcdk_defconfig @@ -1,4 +1,5 @@ CONFIG_ARM=y +CONFIG_SYS_THUMB_BUILD=y CONFIG_ARCH_DAVINCI=y CONFIG_SYS_TEXT_BASE=0xc1080000 CONFIG_TARGET_OMAPL138_LCDK=y
niedz., 10 lis 2019 o 13:33 Adam Ford aford173@gmail.com napisał(a):
SPL has limited available resources, and the performance between ARM and Thumb isn't that significant.
This patch builds using Thumb instruction set to reduce the code size by nearly 6K.
Original: text data bss dec hex filename 26526 4004 1376 31906 7ca2 spl/u-boot-spl
Thumb:
text data bss dec hex filename 20232 4004 1376 25612 640c spl/u-boot-spl
Signed-off-by: Adam Ford aford173@gmail.com
diff --git a/configs/omapl138_lcdk_defconfig b/configs/omapl138_lcdk_defconfig index 9821df9884..16287a4ac2 100644 --- a/configs/omapl138_lcdk_defconfig +++ b/configs/omapl138_lcdk_defconfig @@ -1,4 +1,5 @@ CONFIG_ARM=y +CONFIG_SYS_THUMB_BUILD=y CONFIG_ARCH_DAVINCI=y CONFIG_SYS_TEXT_BASE=0xc1080000 CONFIG_TARGET_OMAPL138_LCDK=y -- 2.20.1
Tested-by: Bartosz Golaszewski bgolaszewski@baylibre.com Reviewed-by: Bartosz Golaszewski bgolaszewski@baylibre.com
On Sun, Nov 10, 2019 at 06:33:40AM -0600, Adam Ford wrote:
SPL has limited available resources, and the performance between ARM and Thumb isn't that significant.
This patch builds using Thumb instruction set to reduce the code size by nearly 6K.
Original: text data bss dec hex filename 26526 4004 1376 31906 7ca2 spl/u-boot-spl
Thumb:
text data bss dec hex filename 20232 4004 1376 25612 640c spl/u-boot-spl
Signed-off-by: Adam Ford aford173@gmail.com Tested-by: Bartosz Golaszewski bgolaszewski@baylibre.com Reviewed-by: Bartosz Golaszewski bgolaszewski@baylibre.com
diff --git a/configs/omapl138_lcdk_defconfig b/configs/omapl138_lcdk_defconfig index 9821df9884..16287a4ac2 100644
Applied to u-boot/master, thanks!
participants (3)
-
Adam Ford -
Bartosz Golaszewski -
Tom Rini