software/common.mak

   1 include $(MSCDIR)/software/include/generated/cpu.mak
   2 TARGET_PREFIX=$(TRIPLE)-
   3
   4 RM ?= rm -f
   5 PYTHON ?= python3
   6
   7 ifeq ($(CLANG),1)
   8 CC_normal      := clang -target $(TRIPLE) -integrated-as
   9 CX_normal      := clang++ -target $(TRIPLE) -integrated-as
  10 else
  11 CC_normal      := $(TARGET_PREFIX)gcc
  12 CX_normal      := $(TARGET_PREFIX)g++
  13 endif
  14 AR_normal      := $(TARGET_PREFIX)ar
  15 LD_normal      := $(TARGET_PREFIX)ld
  16 OBJCOPY_normal := $(TARGET_PREFIX)objcopy
  17
  18 CC_quiet      = @echo " CC      " $@ && $(CC_normal)
  19 CX_quiet      = @echo " CX      " $@ && $(CX_normal)
  20 AR_quiet      = @echo " AR      " $@ && $(AR_normal)
  21 LD_quiet      = @echo " LD      " $@ && $(LD_normal)
  22 OBJCOPY_quiet = @echo " OBJCOPY " $@ && $(OBJCOPY_normal)
  23
  24 MSC_GIT_ID := $(shell cd $(MSCDIR) && $(PYTHON) -c "from misoclib.cpu.identifier import get_id; print(hex(get_id()), end='')")
  25
  26 ifeq ($(V),1)
  27         CC = $(CC_normal)
  28         CX = $(CX_normal)
  29         AR = $(AR_normal)
  30         LD = $(LD_normal)
  31         OBJCOPY = $(OBJCOPY_normal)
  32 else
  33         CC = $(CC_quiet)
  34         CX = $(CX_quiet)
  35         AR = $(AR_quiet)
  36         LD = $(LD_quiet)
  37         OBJCOPY = $(OBJCOPY_quiet)
  38 endif
  39
  40 # Toolchain options
  41 #
  42 INCLUDES = -I$(MSCDIR)/software/include/base -I$(MSCDIR)/software/include -I$(MSCDIR)/common
  43 COMMONFLAGS = -Os $(CPUFLAGS) -fomit-frame-pointer -Wall -fno-builtin -nostdinc -DMSC_GIT_ID=$(MSC_GIT_ID) $(INCLUDES)
  44 CFLAGS = $(COMMONFLAGS) -fexceptions -Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes
  45 CXXFLAGS = $(COMMONFLAGS) -std=c++11 -I$(MSCDIR)/software/include/basec++ -fexceptions -fno-rtti -ffreestanding
  46 LDFLAGS = -nostdlib -nodefaultlibs -L$(MSCDIR)/software/include
  47
  48 # compile and generate dependencies, based on
  49 # http://scottmcpeak.com/autodepend/autodepend.html
  50
  51 define compilexx-dep
  52 $(CX) -c $(CXXFLAGS) $(1) $< -o $*.o
  53 @$(CX_normal) -MM $(CXXFLAGS) $(1) $< > $*.d
  54 @mv -f $*.d $*.d.tmp
  55 @sed -e 's|.*:|$*.o:|' < $*.d.tmp > $*.d
  56 @sed -e 's/.*://' -e 's/\\$$//' < $*.d.tmp | fmt -1 | \
  57         sed -e 's/^ *//' -e 's/$$/:/' >> $*.d
  58 @rm -f $*.d.tmp
  59 endef
  60
  61 define compile-dep
  62 $(CC) -c $(CFLAGS) $(1) $< -o $*.o
  63 @$(CC_normal) -MM $(CFLAGS) $(1) $< > $*.d
  64 @mv -f $*.d $*.d.tmp
  65 @sed -e 's|.*:|$*.o:|' < $*.d.tmp > $*.d
  66 @sed -e 's/.*://' -e 's/\\$$//' < $*.d.tmp | fmt -1 | \
  67         sed -e 's/^ *//' -e 's/$$/:/' >> $*.d
  68 @rm -f $*.d.tmp
  69 endef
  70
  71 define assemble
  72 $(CC) -c $(CFLAGS) -o $*.o $<
  73 endef