1# Deferring this config until we decide how to include other CMSIS libraries... it is likely that we always want to use the stub version of the core
2# at least if the vendor/device is RaspberryPi/RP2040...
3
4## PICO_CMAKE_CONFIG: PICO_CMSIS_PATH, directory to locate CMSIS installation, default="included stub CORE only impl", group=build
5#if (DEFINED PICO_CMSIS_PATH)
6#    set(PICO_CMSIS_PATH "${PICO_CMSIS_PATH}" CACHE PATH "Path to the CMSIS tree to use with Raspberry Pi Pico SDK")
7#    message("Using specified PICO_CMSIS_PATH for CMSIS ('${PICO_CMSIS_PATH}')")
8#elseif (DEFINED ENV{PICO_CMSIS_PATH})
9#    set(PICO_CMSIS_PATH $ENV{PICO_CMSIS_PATH})
10#    message("Using PICO_CMSIS_PATH from environment for CMSIS ('${PICO_CMSIS_PATH}')")
11#endif()
12#
13## PICO_CMAKE_CONFIG: PICO_CMSIS_VENDOR, vendor name for CMSIS, default="RaspberryPi", group=build
14#if (DEFINED PICO_CMSIS_VENDOR)
15#    set(PICO_CMSIS_VENDOR "${PICO_CMSIS_VENDOR}" CACHE STRING "CMSIS vendor name to use")
16#    message("Using specified PICO_CMSIS_VENDOR for CMSIS ('${PICO_CMSIS_VENDOR}')")
17#elseif (DEFINED ENV{PICO_CMSIS_VENDOR})
18#    set(PICO_CMSIS_VENDOR $ENV{PICO_CMSIS_VENDOR})
19#    message("Using PICO_CMSIS_VENDOR from environment for CMSIS ('${PICO_CMSIS_VENDOR}')")
20#else()
21#    set(PICO_CMSIS_VENDOR RaspberryPi)
22#endif()
23#
24## PICO_CMAKE_CONFIG: PICO_CMSIS_DEVICE, device name for CMSIS, default="RP2040", group=build
25#if (DEFINED PICO_CMSIS_DEVICE)
26#    set(PICO_CMSIS_DEVICE "${PICO_CMSIS_DEVICE}" CACHE STRING "CMSIS device name to use")
27#    message("Using specified PICO_CMSIS_DEVICE for CMSIS ('${PICO_CMSIS_DEVICE}')")
28#elseif (DEFINED ENV{PICO_CMSIS_DEVICE})
29#    set(PICO_CMSIS_DEVICE $ENV{PICO_CMSIS_DEVICE})
30#    message("Using PICO_CMSIS_DEVICE from environment for CMSIS ('${PICO_CMSIS_DEVICE}')")
31#else()
32#    set(PICO_CMSIS_DEVICE RP2040)
33#endif()
34#
35#if (PICO_CMSIS_PATH AND EXISTS ${PICO_CMSIS_PATH}/CMSIS/Core/${PICO_CMSIS_VENDOR}/${PICO_CMSIS_DEVICE})
36#    message("CMSIS Core found for path ${PICO_CMSIS_PATH}, vendor ${PICO_CMSIS_VENDOR}, device ${PICO_CMSIS_DEVICE}")
37#    set(PICO_CMSIS_CORE_PATH ${PICO_CMSIS_PATH}/CMSIS/Core)
38#elseif (PICO_CMSIS_VENDOR STREQUAL "RaspberryPi" AND PICO_CMSIS_DEVICE STREQUAL "RP2040")
39#    set(PICO_CMSIS_CORE_PATH ${CMAKE_CURRENT_LIST_DIR}/stub)
40#elseif (PICO_CMSIS_PATH)
41#    message(WARNING "CMSIS core not found in ${PICO_CMSIS_PATH} for vendor ${PICO_CMSIS_VENDOR}, device ${PICO_CMSIS_DEVICE}")
42#    set(PICO_CMSIS_CORE_PATH)
43#else()
44#    message(WARNING "Non-standard vendor ${PICO_CMSIS_VENDOR} amd device ${PICO_CMSIS_DEVICE} specified, but PICO_CMSIS_PATH was not set")
45#endif()
46
47# ... using these 3 lines instead
48set(PICO_CMSIS_CORE_PATH ${CMAKE_CURRENT_LIST_DIR}/stub)
49set(PICO_CMSIS_VENDOR RaspberryPi)
50set(PICO_CMSIS_DEVICE RP2040)
51
52if (PICO_CMSIS_CORE_PATH)
53    pico_add_library(cmsis_core)
54    target_sources(cmsis_core INTERFACE
55            ${PICO_CMSIS_CORE_PATH}/CMSIS/Device/${PICO_CMSIS_VENDOR}/${PICO_CMSIS_DEVICE}/Source/system_${PICO_CMSIS_DEVICE}.c
56    )
57    target_include_directories(cmsis_core_headers INTERFACE
58            ${PICO_CMSIS_CORE_PATH}/CMSIS/Core/Include
59            ${PICO_CMSIS_CORE_PATH}/CMSIS/Device/${PICO_CMSIS_VENDOR}/${PICO_CMSIS_DEVICE}/Include
60    )
61    pico_mirrored_target_link_libraries(cmsis_core INTERFACE hardware_clocks pico_platform)
62
63    list(APPEND PICO_RP2040_CONFIG_HEADER_FILES ${CMAKE_CURRENT_LIST_DIR}/include/cmsis/rename_exceptions.h)
64    pico_promote_common_scope_vars()
65endif()
66
67