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 # SPI boot address 0x1000_0000, main SRAM boot would be 0x0000_0000
  16 # but remember to recompile external_core_top.v with a matching
  17 # --pc_reset=0xNNNNNNNN
  18 BOOT_INIT_BASE ?= 0x10000000
  19 # BOOT_INIT_BASE ?= 0x0
  20
  21 LIBGRAMDIR = ../libgram
  22 LIBGRAMINC = ../libgram/include
  23
  24 GRAMOBJS := $(LIBGRAMDIR)/src/init.o \
  25             $(LIBGRAMDIR)/src/dfii.o \
  26             $(LIBGRAMDIR)/src/calibration.o
  27
  28 CC = $(CROSS_COMPILE)gcc
  29 LD = $(CROSS_COMPILE)ld
  30 OBJCOPY = $(CROSS_COMPILE)objcopy
  31
  32 CFLAGS = -Os -g -Wall -std=c99 -msoft-float -mno-string \
  33             -mno-multiple -mno-vsx -mno-altivec -mlittle-endian \
  34             -fno-stack-protector -mstrict-align -ffreestanding \
  35             -fdata-sections -ffunction-sections -I../include \
  36             -I $(LIBGRAMINC) \
  37             -DLONG_TIMER_MULT=$(LONG_TIMER_MULT) \
  38             -DBOOT_INIT_BASE=$(BOOT_INIT_BASE) \
  39             -DSHORT_TIMER_MULT=$(SHORT_TIMER_MULT)
  40 ASFLAGS = $(CFLAGS)
  41 LDFLAGS = -T powerpc.lds
  42
  43 all: coldboot.hex coldboot.S
  44
  45 console.o: ../lib/console.c
  46         $(CC) $(CPPFLAGS) $(CFLAGS) -c $< -o $@
  47
  48 init.o: ../libgram/src/init.c
  49         $(CC) $(CPPFLAGS) $(CFLAGS) -c $< -o $@
  50
  51 dfii.o: ../libgram/src/dfii.c
  52         $(CC) $(CPPFLAGS) $(CFLAGS) -c $< -o $@
  53
  54 calibration.o: ../libgram/src/calibration.c
  55         $(CC) $(CPPFLAGS) $(CFLAGS) -c $< -o $@
  56
  57 powerpc.lds: powerpc.lds.S
  58         $(CC) $(CFLAGS) -P -E powerpc.lds.S -o powerpc.lds
  59
  60 coldboot.elf: coldboot.o head.o ../lib/console.o $(GRAMOBJS) powerpc.lds
  61         $(LD) $(LDFLAGS) -o $@ coldboot.o head.o ../lib/console.o $(GRAMOBJS)
  62
  63 coldboot.bin: coldboot.elf
  64         $(OBJCOPY) -O binary $^ $@
  65
  66 coldboot.hex: coldboot.bin
  67         ../scripts/bin2hex.py $^ > $@
  68         powerpc64le-linux-gnu-objdump -D coldboot.elf > coldboot.as
  69
  70 coldboot.S: coldboot.elf
  71         objdump -S coldboot.elf > coldboot.S
  72
  73
  74 clean:
  75         @rm -f ../lib/*.o ../libgram/src/*.o *.o coldboot.elf coldboot.bin coldboot.hex coldboot.as coldboot.S powerpc.lds
  76 distclean: clean
  77         rm -f *~
  78