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cmake: Support multiple overlay files

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Allow multiple overlay files to be specified. This supports custom
tooling support to add additional memory reserve regions to a platform.

Signed-off-by: Kent McLeod <kent@kry10.com>
This commit is contained in:
Kent McLeod
2024-02-02 10:56:28 +11:00
committed by Kent McLeod
parent 245c07fa2e
commit 76eee24323
1 changed files with 10 additions and 6 deletions
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16
config.cmake
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@@ -124,15 +124,19 @@ if(DEFINED KernelDTSList AND (NOT "${KernelDTSList}" STREQUAL ""))
set(config_schema "${CMAKE_CURRENT_SOURCE_DIR}/tools/hardware_schema.yml")
set(
KernelCustomDTSOverlay ""
CACHE FILEPATH "Provide an additional overlay to append to the selected KernelPlatform's \
CACHE
STRING
"Provide an additional list of overlays to append to the selected KernelPlatform's \
device tree during build time"
)
if(NOT "${KernelCustomDTSOverlay}" STREQUAL "")
if(NOT EXISTS ${KernelCustomDTSOverlay})
message(FATAL_ERROR "Can't open external overlay file '${KernelCustomDTSOverlay}'!")
endif()
list(APPEND KernelDTSList "${KernelCustomDTSOverlay}")
message(STATUS "Using ${KernelCustomDTSOverlay} overlay")
foreach(dts_entry IN ITEMS ${KernelCustomDTSOverlay})
if(NOT EXISTS ${dts_entry})
message(FATAL_ERROR "Can't open external overlay file '${dts_entry}'!")
endif()
list(APPEND KernelDTSList "${dts_entry}")
message(STATUS "Appending ${dts_entry} overlay")
endforeach()
endif()
find_program(DTC_TOOL dtc)