mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-21 07:27:43 +00:00
108 lines
3.2 KiB
CMake
108 lines
3.2 KiB
CMake
# ARM Cortex-Mx common makefile scripts and rules.
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##############################################################################
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# Processing options coming from the upper Makefile.
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#
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# Compiler options
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set(OPT ${USE_OPT})
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set(COPT ${USE_COPT})
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set(CPPOPT ${USE_CPPOPT})
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# Garbage collection
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if(USE_LINK_GC STREQUAL "yes")
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set(OPT "${OPT} -ffunction-sections -fdata-sections -fno-common")
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set(LDOPT ",--gc-sections")
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else()
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set(LDOPT)
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endif()
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# Linker extra options
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if(DEFINED USE_LDOPT)
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set(LDOPT "${LDOPT},${USE_LDOPT}")
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endif()
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# Link time optimizations
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if(USE_LTO STREQUAL "yes")
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set(OPT "${OPT} -flto")
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endif()
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# FPU-related options
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if(NOT DEFINED USE_FPU)
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set(USE_FPU no)
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endif()
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if(NOT USE_FPU STREQUAL "no")
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set(OPT "${OPT} -mfloat-abi=${USE_FPU} -mfpu=fpv4-sp-d16 -fsingle-precision-constant")
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set(DDEFS ${DDEFS} -DCORTEX_USE_FPU=TRUE)
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set(DADEFS ${DADEFS} -DCORTEX_USE_FPU=TRUE)
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else()
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set(DDEFS ${DDEFS} -DCORTEX_USE_FPU=FALSE)
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set(DADEFS ${DADEFS} -DCORTEX_USE_FPU=FALSE)
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endif()
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# Source files groups and paths
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if(USE_THUMB STREQUAL "yes")
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set(TCSRC ${TCSRC} ${CSRC})
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set(TCPPSRC ${TCPPSRC} ${CPPSRC})
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else()
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set(ACSRC ${ACSRC} ${CSRC})
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set(ACPPSRC ${ACPPSRC} ${CPPSRC})
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endif()
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set(ASRC ${ACSRC} ${ACPPSRC})
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set(TSRC ${TCSRC} ${TCPPSRC})
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# Paths
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set(IINCDIR ${INCDIR} ${DINCDIR} ${UINCDIR})
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set(LLIBDIR ${DLIBDIR} ${ULIBDIR})
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# Macros
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set(DEFS ${DDEFS} ${UDEFS})
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set(ADEFS ${DADEFS} ${UADEFS})
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# Libs
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set(LIBS ${DLIBS} ${ULIBS})
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# Various settings
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set(MCFLAGS -mcpu=${MCU})
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set(ODFLAGS "-x --syms")
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set(ASFLAGS "${MCFLAGS} ${ADEFS}")
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set(ASXFLAGS "${MCFLAGS} ${ADEFS}")
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set(CFLAGS "${MCFLAGS} ${OPT} ${COPT} ${CWARN}")
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set(CPPFLAGS "${MCFLAGS} ${OPT} ${CPPOPT} ${CPPWARN}")
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set(LDFLAGS "-nostartfiles -Wl,--library-path=${RULESPATH},--script=${LDSCRIPT}${LDOPT}")
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# Thumb interwork enabled only if needed because it kills performance.
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if(DEFINED TSRC)
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set(CFLAGS "${CFLAGS}")
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set(CPPFLAGS "${CPPFLAGS}")
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set(ASFLAGS "${ASFLAGS}")
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set(DEFS ${DEFS} -DTHUMB_PRESENT)
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set(ADEFS ${ADEFS} -DTHUMB_PRESENT)
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if(DEFINED ASRC)
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# Mixed ARM and THUMB mode.
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set(CFLAGS "${CFLAGS} -mthumb-interwork")
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set(CPPFLAGS "${CPPFLAGS} -mthumb-interwork")
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set(ASFLAGS "${ASFLAGS} -mthumb-interwork")
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set(LDFLAGS "${LDFLAGS} -mthumb-interwork")
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else()
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# Pure THUMB mode, THUMB C code cannot be called by ARM asm code directly.
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set(CFLAGS "${CFLAGS} -mno-thumb-interwork")
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set(CPPFLAGS "${CPPFLAGS} -mno-thumb-interwork")
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set(ASFLAGS "${ASFLAGS} -mno-thumb-interwork -mthumb")
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set(LDFLAGS "${LDFLAGS} -mno-thumb-interwork -mthumb")
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set(DEFS ${DEFS} -DTHUMB_NO_INTERWORKING)
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set(ADEFS ${ADEFS} -DTHUMB_NO_INTERWORKING)
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endif()
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else()
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# Pure ARM mode
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set(CFLAGS "${CFLAGS} -mno-thumb-interwork")
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set(CPPFLAGS "${CPPFLAGS} -mno-thumb-interwork")
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set(ASFLAGS "${ASFLAGS} -mno-thumb-interwork")
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set(LDFLAGS "${LDFLAGS} -mno-thumb-interwork")
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endif()
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set(CMAKE_C_FLAGS "${CFLAGS} ${TOPT}")
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set(CMAKE_CXX_FLAGS "${CPPFLAGS} ${TOPT}")
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set(CMAKE_AS_FLAGS "${ASFLAGS} ${TOPT}")
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set(CMAKE_EXE_LINKER_FLAGS "${LDFLAGS}")
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