commit 6b836d6e6de07f974b7e8786b3f1063e7e2a3d82
author Walter Xie <41377148@qq.com> Tue Jul 10 11:39:52 2018 +0800
committer Anas Nashif <anas.nashif@intel.com> Wed Jul 11 23:04:32 2018 -0400
tree 2a0be90df73ca589d326551d006a5e4e29d0d1c9
parent 60a9e1a7c769cbd2fc86d4d1d420160bdccd6372

cmake: Add "gap-fill 0xFF" option for CMAKE_OBJCOPY command.

Add "gap-fill 0xFF" option for the CMAKE_OBJCOPY command,
in order to reduce the flash programming time for some boards,
such as cc2650.

Signed-off-by: Walter Xie <41377148@qq.com>

CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 77819f4..7c69c6a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1140,19 +1140,19 @@
 list_append_ifdef(
   CONFIG_BUILD_OUTPUT_HEX
   post_build_commands
-  COMMAND ${CMAKE_OBJCOPY} -S -Oihex   -R .comment -R COMMON -R .eh_frame  ${KERNEL_ELF_NAME}    ${KERNEL_HEX_NAME}
+  COMMAND ${CMAKE_OBJCOPY} -S -Oihex --gap-fill 0xFF  -R .comment -R COMMON -R .eh_frame  ${KERNEL_ELF_NAME}    ${KERNEL_HEX_NAME}
   )
 
 list_append_ifdef(
   CONFIG_BUILD_OUTPUT_BIN
   post_build_commands
-  COMMAND ${CMAKE_OBJCOPY} -S -Obinary -R .comment -R COMMON -R .eh_frame  ${KERNEL_ELF_NAME}    ${KERNEL_BIN_NAME}
+  COMMAND ${CMAKE_OBJCOPY} -S -Obinary --gap-fill 0xFF -R .comment -R COMMON -R .eh_frame  ${KERNEL_ELF_NAME}    ${KERNEL_BIN_NAME}
   )
 
 list_append_ifdef(
   CONFIG_BUILD_OUTPUT_S19
   post_build_commands
-  COMMAND ${CMAKE_OBJCOPY} --srec-len 1 --output-target=srec ${KERNEL_ELF_NAME} ${KERNEL_S19_NAME}
+  COMMAND ${CMAKE_OBJCOPY} --gap-fill 0xFF --srec-len 1 --output-target=srec ${KERNEL_ELF_NAME} ${KERNEL_S19_NAME}
   )
 
 list_append_ifdef(