stage2/Makefile

   1 #  Stage2 Makefile
   2 #
   3 # Copyright (C) 2010-2011  Hector Martin "marcan" <hector@marcansoft.com>
   4 #
   5 # This code is licensed to you under the terms of the GNU GPL, version 2;
   6 # see file COPYING or http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
   7
   8 include ../common/ppu.mak
   9
  10 DTC=dtc
  11 LZMA=lzma
  12
  13 STUB_LDFLAGS := $(LDFLAGS) -Wl,--gc-sections -Wl,-T,uncompress/stub.ld
  14 LDFLAGS += -Wl,--gc-sections
  15 STUB_CFLAGS := $(CFLAGS) -Os -Wall -ffunction-sections -I. -Iuncompress/
  16 CFLAGS += -Os -Wall -I. -ffunction-sections -fdata-sections \
  17         -Ilwip/src/include -Ilwip/src/include/ipv4 -Ilwip/arch/include -Ilibfdt
  18 ASFLAGS = -D__ASSEMBLY__ -I.
  19
  20 DEPDIR = .deps
  21
  22 LWIP_OBJS = \
  23         $(addprefix lwip/src/core/,\
  24                 dhcp.o init.o mem.o memp.o netif.o pbuf.o raw.o stats.o sys.o \
  25                 tcp.o tcp_in.o tcp_out.o udp.o) \
  26         $(addprefix lwip/src/core/ipv4/,\
  27                 autoip.o icmp.o ip.o ip_addr.o ip_frag.o inet_chksum.o) \
  28         $(addprefix lwip/src/api/,\
  29                 tcpip.o err.o netifapi.o api_lib.o api_msg.o sockets.o) \
  30         lwip/src/netif/etharp.o
  31
  32 FDT_OBJS = $(addprefix libfdt/,\
  33         fdt.o fdt_ro.o fdt_rw.o fdt_strerror.o fdt_sw.o fdt_wip.o)
  34
  35 CORE_OBJS = main.o debug.o hvcall.o string.o printf.o device.o malloc.o \
  36         time.o tftp.o gelic_netif.o exceptions.o exc_vector.o mm.o netrpc.o \
  37         cleanup.o devtree.o kernel.o kbootconf.o network.o diskio.o ff.o \
  38         inflate.o crc32.o adler32.o inftrees.o zutil.o inffast.o zpipe.o \
  39         $(LWIP_OBJS) $(FDT_OBJS)
  40
  41 OBJS = start.o $(CORE_OBJS) vmlinux.o
  42 OBJS_NATIVE = start_native.o $(CORE_OBJS) vmlinux.o
  43
  44 STUB_OBJS = uncompress/stub_start.o uncompress/unlzma.o
  45
  46 all: stage2.bin stage2_native.bin lv2_kernel.self
  47
  48 .PRECIOUS: stage2_raw.bin
  49
  50 vmlinux.o: vmlinux.dat vmlinux.S
  51
  52 vmlinux.bin:
  53
  54 stage2.bin : uncompress/stub.bin stage2_raw.lzma
  55         cat uncompress/stub.bin stage2_raw.lzma > $@
  56
  57 elf.o: elf.S stage2_native.bin
  58         $(PREFIX)gcc elf.S -o elf.o -nostdlib -T elf.ld
  59         $(PREFIX)strip -R .symtab -R .strtab elf.o
  60
  61 lv2_kernel.self: elf.o
  62         makeself lv2 355 3.55.0 05000002 1050000003000001 retail elf.o lv2_kernel.self
  63
  64 %.lzma: %.bin
  65         @echo "  LZMA      $@"
  66         @$(LZMA) -c $< > $@.tmp
  67         @dd if=$@.tmp bs=1 count=1 > $@ 2>/dev/null
  68         @dd if=$@.tmp bs=13 skip=1 >> $@ 2>/dev/null
  69         @rm $@.tmp
  70
  71 %.bin: %.elf
  72         @echo "  OBJCOPY   $@"
  73         @$(PREFIX)objcopy -O binary $< $@
  74
  75 uncompress/stub.elf: $(STUB_OBJS) uncompress/stub.ld
  76         @echo "  LINK      $@"
  77         @$(PREFIX)gcc $(STUB_LDFLAGS) -o $@ $(STUB_OBJS)
  78
  79 stage2_native.elf: $(OBJS_NATIVE) stage2_native.ld
  80         @echo "  LINK      $@"
  81         @$(PREFIX)gcc $(LDFLAGS) -Wl,-T,stage2_native.ld -o tmp_$@ $(OBJS_NATIVE)
  82         @# move everything down to zero, it will relocate itself on startup
  83         @# this could be done in the linker script for lma, but Sony fails and needs it for vma.
  84         @$(PREFIX)objcopy --adjust-vma -0xc00000 tmp_$@ $@
  85         @rm -f tmp_$@
  86
  87 stage2_raw.elf: $(OBJS) stage2.ld
  88         @echo "  LINK      $@"
  89         $(PREFIX)gcc $(LDFLAGS) -Wl,-T,stage2.ld -o $@ $(OBJS)
  90
  91 %.S: %.dts
  92         @echo "  DTC       $<"
  93         @$(DTC) -o $@ -O asm $<
  94
  95 %.o: %.S
  96         @echo "  ASSEMBLE  $<"
  97         @mkdir -p $(DEPDIR)
  98         @$(PREFIX)gcc $(ASFLAGS) -Wp,-MMD,$(DEPDIR)/$(*F).d,-MQ,"$@",-MP -c -o $@ $<
  99
 100 %.o: %.c
 101         @echo "  COMPILE   $<"
 102         @mkdir -p $(DEPDIR)
 103         @$(PREFIX)gcc $(CFLAGS) -Wp,-MMD,$(DEPDIR)/$(*F).d,-MQ,"$@",-MP -c -o $@ $<
 104
 105 clean:
 106         rm -rf $(DEPDIR)
 107         rm -f $(OBJS) *.elf *.bin *.lzma
 108         rm -f $(STUB_OBJS)
 109
 110 -include $(DEPDIR)/*
 111
 112 .PHONY: clean