CMSIS/DSP/config.cmake

include(CMakePrintHelpers)

SET(CORTEXM ON)
option(FASTMATH "Fast Math enabled" ON)
option(NEON "Neon acceleration" OFF)
option(NEONEXPERIMENTAL "Neon experimental acceleration" OFF)
option(LOOPUNROLL "Loop unrolling" ON)
option(ROUNDING "Rounding" OFF)
option(MATRIXCHECK "Matrix Checks" OFF)

###################
#
# ALL CORTEX
#

target_compile_options(CMSISDSP PUBLIC "-mfloat-abi=hard;-mlittle-endian")

if (FASTMATH)
  target_compile_options(CMSISDSP PUBLIC "-ffast-math")
endif()

if (LOOPUNROLL)
  target_compile_definitions(CMSISDSP PRIVATE ARM_MATH_LOOPUNROLL)
endif()

if (ROUNDING)
  target_compile_definitions(CMSISDSP PRIVATE ARM_MATH_ROUNDING)
endif()

if (MATRIXCHECK)
  target_compile_definitions(CMSISDSP PRIVATE ARM_MATH_MATRIX_CHECK)
endif()


###################
#
# CORTEX-A
#

# CORTEX-A9
if (ARM_CPU STREQUAL "cortex-a9" )
  target_include_directories(CMSISDSP PUBLIC "${DSP}/../../Core_A/Include")
  SET(CORTEXM OFF)

  if (NOT (NEON OR NEONEXPERIMENTAL))
    target_compile_options(CMSISDSP PUBLIC "-mfpu=vfpv3-d16-fp16")
  endif()

endif()

# CORTEX-A7
if (ARM_CPU STREQUAL "cortex-a7" )
  target_include_directories(CMSISDSP PUBLIC "${DSP}/../../Core_A/Include")
  SET(CORTEXM OFF)

  if (NOT (NEON OR NEONEXPERIMENTAL))
    target_compile_options(CMSISDSP PUBLIC "-mfpu=vfpv4-d16")
  endif()

endif()

# CORTEX-A5
if (ARM_CPU STREQUAL "cortex-a5" )
  target_include_directories(CMSISDSP PUBLIC "${DSP}/../../Core_A/Include")
  SET(CORTEXM OFF)
  
  if ((NEON OR NEONEXPERIMENTAL))
    target_compile_options(CMSISDSP PUBLIC "-mfpu=neon-vfpv4")
  else()
    target_compile_options(CMSISDSP PUBLIC "-mfpu=vfpv4-d16")
  endif()
endif()


###################
#
# CORTEX-M
#

# CORTEX-M35
if (ARM_CPU STREQUAL "cortex-m35")
  target_include_directories(CMSISDSP PUBLIC "${DSP}/../../Core/Include")
endif()

# CORTEX-M33
if (ARM_CPU STREQUAL "cortex-m33")
  target_include_directories(CMSISDSP PUBLIC "${DSP}/../../Core/Include")
endif()

# CORTEX-M23
if (ARM_CPU STREQUAL "cortex-m23")
  target_include_directories(CMSISDSP PUBLIC "${DSP}/../../Core/Include")
endif()

# CORTEX-M7
if (ARM_CPU STREQUAL "cortex-m7")
  target_include_directories(CMSISDSP PUBLIC "${DSP}/../../Core/Include")  
endif()

# CORTEX-M4
if (ARM_CPU STREQUAL "cortex-m4")
  target_include_directories(CMSISDSP PUBLIC "${DSP}/../../Core/Include")

endif()

# CORTEX-M3
if (ARM_CPU STREQUAL "cortex-m3")
  target_include_directories(CMSISDSP PUBLIC "${DSP}/../../Core/Include")
endif()

# CORTEX-M0plus
if (ARM_CPU STREQUAL "cortex-m0p")
  target_include_directories(CMSISDSP PUBLIC "${DSP}/../../Core/Include")
endif()

# CORTEX-M0
if (ARM_CPU STREQUAL "cortex-m0")
  target_include_directories(CMSISDSP PUBLIC "${DSP}/../../Core/Include")
endif()

###################
#
# FEATURES
#



if (NEON AND NOT CORTEXM)
  target_compile_definitions(CMSISDSP PRIVATE ARM_MATH_NEON __FPU_PRESENT)
endif()

if (NEONEXPERIMENTAL AND NOT CORTEXM)
  target_compile_definitions(CMSISDSP PRIVATE ARM_MATH_NEON_EXPERIMENTAL __FPU_PRESENT)
endif()