coldboot/Makefile

   1 ARCH = $(shell uname -m)
   2 ifneq ("$(ARCH)", "ppc64")
   3 ifneq ("$(ARCH)", "ppc64le")
   4         CROSS_COMPILE ?= powerpc64le-linux-gnu-
   5 endif
   6 endif
   7
   8 # a multiplier factor on sleep loops. this allows simulations to run
   9 # at much shorter intervals
  10 LONG_TIMER_MULT = 10000
  11 SHORT_TIMER_MULT = 100
  12 #LONG_TIMER_MULT = 1
  13 #SHORT_TIMER_MULT = 1
  14
  15 LIBGRAMDIR = ../libgram
  16 LIBGRAMINC = ../libgram/include
  17
  18 GRAMOBJS := $(LIBGRAMDIR)/src/init.o \
  19             $(LIBGRAMDIR)/src/dfii.o \
  20             $(LIBGRAMDIR)/src/calibration.o
  21
  22 CC = $(CROSS_COMPILE)gcc
  23 LD = $(CROSS_COMPILE)ld
  24 OBJCOPY = $(CROSS_COMPILE)objcopy
  25
  26 CFLAGS = -Os -g -Wall -std=c99 -msoft-float -mno-string \
  27             -mno-multiple -mno-vsx -mno-altivec -mlittle-endian \
  28             -fno-stack-protector -mstrict-align -ffreestanding \
  29             -fdata-sections -ffunction-sections -I../include \
  30             -I $(LIBGRAMINC) \
  31             -DLONG_TIMER_MULT=$(LONG_TIMER_MULT) \
  32             -DSHORT_TIMER_MULT=$(SHORT_TIMER_MULT)
  33 ASFLAGS = $(CFLAGS)
  34 LDFLAGS = -T powerpc.lds
  35
  36 all: coldboot.hex
  37
  38 console.o: ../lib/console.c
  39         $(CC) $(CPPFLAGS) $(CFLAGS) -c $< -o $@
  40
  41 init.o: ../libgram/src/init.c
  42         $(CC) $(CPPFLAGS) $(CFLAGS) -c $< -o $@
  43
  44 dfii.o: ../libgram/src/dfii.c
  45         $(CC) $(CPPFLAGS) $(CFLAGS) -c $< -o $@
  46
  47 calibration.o: ../libgram/src/calibration.c
  48         $(CC) $(CPPFLAGS) $(CFLAGS) -c $< -o $@
  49
  50 coldboot.elf: coldboot.o head.o ../lib/console.o $(GRAMOBJS)
  51         $(LD) $(LDFLAGS) -o $@ $^
  52
  53 coldboot.bin: coldboot.elf
  54         $(OBJCOPY) -O binary $^ $@
  55
  56 coldboot.hex: coldboot.bin
  57         ../scripts/bin2hex.py $^ > $@
  58         powerpc64le-linux-gnu-objdump -D coldboot.elf > coldboot.as
  59
  60
  61 clean:
  62         @rm -f *.o coldboot.elf coldboot.bin coldboot.hex coldboot.as
  63 distclean: clean
  64         rm -f *~
  65