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Add pico_set_modified_binary_type function #2137

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Add pico_set_modified_binary_type function #2137

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45 changes: 45 additions & 0 deletions src/rp2_common/pico_standard_link/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,51 @@ if (NOT TARGET pico_standard_link)
set_target_properties(${TARGET} PROPERTIES PICO_TARGET_BINARY_TYPE ${TYPE})
endfunction()

function(pico_set_modified_binary_type TARGET TYPE)
set(multiValueArgs RAM SCRATCH_X SCRATCH_Y)
cmake_parse_arguments(PARSE_ARGV 0 args
"" "" "${multiValueArgs}"
)

pico_set_binary_type(${TARGET} ${TYPE})

# Scripts that will be created by this function
set(LINKER_CMAKE_SCRIPT "${CMAKE_CURRENT_BINARY_DIR}/memmap_${TARGET}.cmake")
set(LINKER_LD_SCRIPT "${CMAKE_CURRENT_BINARY_DIR}/memmap_${TARGET}.ld")

# Configure memmap_${TARGET}.cmake script file to create memmap_${TARGET}.ld
if (args_RAM)
list(POP_FRONT args_RAM ORIGIN LENGTH)
set(RAM "string(REGEX REPLACE \"RAM\\\\(rwx\\\\) *: *ORIGIN *= *[0-9xX]*, *LENGTH *= *[0-9kKmM]*\\n\" \"RAM(rwx) : ORIGIN = ${ORIGIN}, LENGTH = ${LENGTH}\\n\" LINKER_SCRIPT \"\${LINKER_SCRIPT}\")\n")
endif()
if (args_SCRATCH_X)
list(POP_FRONT args_SCRATCH_X ORIGIN LENGTH)
set(SCRATCH_X "string(REGEX REPLACE \"SCRATCH_X\\\\(rwx\\\\) *: *ORIGIN *= *[0-9xX]*, *LENGTH *= *[0-9kKmM]*\\n\" \"SCRATCH_X(rwx) : ORIGIN = ${ORIGIN}, LENGTH = ${LENGTH}\\n\" LINKER_SCRIPT \"\${LINKER_SCRIPT}\")\n")
endif()
if (args_SCRATCH_Y)
list(POP_FRONT args_SCRATCH_Y ORIGIN LENGTH)
set(SCRATCH_Y "string(REGEX REPLACE \"SCRATCH_Y\\\\(rwx\\\\) *: *ORIGIN *= *[0-9xX]*, *LENGTH *= *[0-9kKmM]*\\n\" \"SCRATCH_Y(rwx) : ORIGIN = ${ORIGIN}, LENGTH = ${LENGTH}\\n\" LINKER_SCRIPT \"\${LINKER_SCRIPT}\")\n")
endif()
if (${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.17.0")
# CMAKE_CURRENT_FUNCTION_LIST_DIR added in 3.17.0
configure_file(${CMAKE_CURRENT_FUNCTION_LIST_DIR}/memmap_script.template.cmake ${LINKER_CMAKE_SCRIPT} @ONLY)
else()
configure_file(${PICO_SDK_PATH}src/rp2_common/pico_standard_link/memmap_script.template.cmake ${LINKER_CMAKE_SCRIPT} @ONLY)
endif()

# Add command to run this script whenever it or memmap_${TYPE}.ld changes
add_custom_command(OUTPUT ${LINKER_LD_SCRIPT}
COMMAND ${CMAKE_COMMAND}
-DPICO_LINKER_SCRIPT_PATH:PATH=${PICO_LINKER_SCRIPT_PATH}
-Doutput_file:FILEPATH=${LINKER_LD_SCRIPT}
-P "${LINKER_CMAKE_SCRIPT}"
DEPENDS ${PICO_LINKER_SCRIPT_PATH}/memmap_${TYPE}.ld ${LINKER_CMAKE_SCRIPT})
add_custom_target(memmap_${TARGET}_ld DEPENDS ${LINKER_LD_SCRIPT})
add_dependencies(${TARGET} memmap_${TARGET}_ld)

pico_set_linker_script(${TARGET} ${CMAKE_CURRENT_BINARY_DIR}/memmap_${TARGET}.ld)
endfunction()

if (NOT PICO_DEFAULT_BINARY_TYPE)
if (PICO_NO_FLASH)
set(PICO_DEFAULT_BINARY_TYPE no_flash)
Expand Down
5 changes: 5 additions & 0 deletions src/rp2_common/pico_standard_link/memmap_script.template.cmake
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
file(READ ${PICO_LINKER_SCRIPT_PATH}/memmap_@TYPE@.ld LINKER_SCRIPT)
@RAM@
@SCRATCH_X@
@SCRATCH_Y@
file(WRITE ${output_file} "${LINKER_SCRIPT}")
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