release/src-rt-6.x.4708/cfe/build/broadcom/bcm947xx/compressed/Makefile

   1 #
   2 # Makefile for compressed self-booting CFE on Broadcom BCM947XX boards
   3 #
   4 # Copyright (C) 2012, Broadcom Corporation
   5 # All Rights Reserved.
   6 #
   7 # This is UNPUBLISHED PROPRIETARY SOURCE CODE of Broadcom Corporation;
   8 # the contents of this file may not be disclosed to third parties, copied
   9 # or duplicated in any form, in whole or in part, without the prior
  10 # written permission of Broadcom Corporation.
  11 #
  12 # $Id: Makefile 367718 2012-11-09 03:57:10Z $
  13 #
  14
  15 CROSS_COMPILE   := $(TOOLPREFIX)
  16 CC              := $(GCC)
  17 LD              := $(GLD)
  18 LOADADDR        := $(CFG_TEXT_START)
  19
  20 # The self-decompresor uses the minimal OSL, get rid of _CFE_ and vxworks
  21 CFLAGS          := $(subst -D_CFE_,,$(CFLAGS)) -fdata-sections
  22 CFLAGS          += -D_CFEZ_ -D_MINOSL_ -DBCMBUSTYPE=SI_BUS -Uvxworks -U__vxworks
  23
  24 # Default mips
  25 ifeq ($(ARCH),)
  26 ARCH := mips
  27 endif
  28
  29 OBJCOPY         := $(CROSS_COMPILE)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S
  30 OBJCOPYSREC     := $(CROSS_COMPILE)objcopy -O srec -R .reginfo -R .note -R .comment -R .mdebug -S
  31
  32 SYSTEM          := ../cfe
  33
  34 vpath %.c $(SRCBASE)/shared $(SRCBASE)/cfe/cfe/arch/arm/board/bcm947xx/src
  35 vpath %.S $(SRCBASE)/shared
  36 vpath %.lds.in $(SRCBASE)/shared $(SRCBASE)/tools/misc/lzma_src/C
  37
  38 CFLAGS          += -DLOADADDR=$(LOADADDR)
  39 CFLAGS          += -ffunction-sections $(call check_gcc, -fvtable-gc, )
  40
  41 # Note: siutils.o appeared seperately on purpose to solve post reference problem of GCC
  42 OBJS-mips = boot.o sisdram.o siutils.o hndmips.o hndpmu.o
  43 OBJS-arm = bootarm.o  aisdram_ca9.o siutils.o hndarm_ca9.o \
  44            pcieinit_ca9.o aiutils.o
  45
  46 ifeq ($(strip $(CFG_SHMOO)), 1)
  47 OBJS-arm += aisdram-ca9.o hndsoc.o \
  48             ddr40_phy_init.o platform.o shmoo_DDR3.o tinymt32.o
  49 endif
  50
  51 OBJECTS := $(OBJS-$(ARCH))
  52 OBJECTS += load.o hndchipc.o min_osl.o bcmutils.o \
  53            bcmstdlib.o sromstubs.o nvramstubs.o
  54
  55 ifeq ($(ARCH), arm)
  56   ELF32_LITTLE := elf32-littlearm
  57   ELF32_BIG    := elf32-bigarm
  58   CFLAGS       += -DBCMCHIPTYPE=3
  59   ifeq ($(strip $(CFG_SHMOO)), 1)
  60     TEXT_START   := 0xc0000000
  61     CFLAGS       += -DCFG_SHMOO=1
  62     CFEZ_LDS_IN  := cfez_arm_shmoo.lds.in
  63   else
  64     TEXT_START   := 0x00001000
  65     CFEZ_LDS_IN  := cfez_arm.lds.in
  66   endif
  67 else
  68   CFEZ_LDS_IN  := hndrte.lds.in
  69   ELF32_LITTLE := elf32-tradlittlemips
  70   ELF32_BIG    := elf32-bigmips
  71
  72   ifeq ($(strip $(CFG_MINIMAL_SIZE)), 1)
  73     ifeq ($(strip $(CFG_GMAC)), 0)
  74       CFLAGS   += -DBCMCHIPTYPE=0
  75       OBJECTS  += sbsdram.o sbutils.o
  76     else
  77       CFLAGS   += -DBCMCHIPTYPE=1
  78       OBJECTS  += aisdram.o aiutils.o
  79     endif
  80   else
  81     OBJECTS    += aisdram.o aiutils.o sbsdram.o sbutils.o
  82   endif
  83
  84   # Link at 3 MB offset in RAM
  85   TEXT_START    := 0x80001000
  86 endif
  87
  88 ifeq ($(strip $(CFG_NFLASH)), 1)
  89 OBJECTS         += nflash.o
  90 endif
  91
  92 # Default to lzma_4k
  93 COMPRESS        := lzma_4k e
  94
  95 ifneq ($(findstring lzma_4k,$(COMPRESS)),)
  96 CFLAGS          += -DUSE_LZMA -DBCMLZMA
  97 else
  98 COMPRESS        := cat
  99 endif
 100
 101 all: cfez.bin
 102
 103 # Don't build dependencies, this may die if $(CC) isn't gcc
 104 dep:
 105
 106 cfez.bin: cfez
 107         $(OBJCOPY) $< $@
 108         $(OBJCOPYSREC) $< cfez.srec
 109 ifeq ($(RTAC68U), 1)
 110         ../../../../../ctools/nvserial -i cfez.bin -o cfe_rt-ac68u.bin -s 00 rt-ac68u_nvram.txt
 111         cp cfe_rt-ac68u.bin ../../../..
 112 else
 113 ifeq ($(RTN18UHP), 1)
 114                 ../../../../../ctools/nvserial -i cfez.bin -o cfe_rt-n18uhp.bin -s 00 rt-n18uhp_nvram.txt
 115                 cp cfe_rt-n18uhp.bin ../../../..
 116 else
 117                 ../../../../../ctools/nvserial -i cfez.bin -o cfe_rt-ac56u.bin -s 00 rt-ac56u_nvram.txt
 118                 cp cfe_rt-ac56u.bin ../../../..
 119 endif
 120 endif
 121 ifeq ($(RTAC68U), 1)
 122         @if [ "$(CFEZ_MAXSIZE)" != "" ]; then \
 123                 if [ "`wc -c < cfe_rt-ac68u.bin`" -gt "$(CFEZ_MAXSIZE)" ]; then \
 124                         echo "*** ERROR *** : cfe_rt-ac68u.bin bootrom image size: `wc -c < cfe_rt-ac68u.bin` exceeds limit: $(CFEZ_MAXSIZE)"; \
 125                 fi ; \
 126         fi
 127 else
 128 ifeq ($(RTN18UHP), 1)
 129         @if [ "$(CFEZ_MAXSIZE)" != "" ]; then \
 130                 if [ "`wc -c < cfe_rt-n18uhp.bin`" -gt "$(CFEZ_MAXSIZE)" ]; then \
 131                         echo "*** ERROR *** : cfe_rt-n18uhp.bin bootrom image size: `wc -c < cfe_rt-n18uhp.bin` exceeds limit: $(CFEZ_MAXSIZE)"; \
 132                 fi ; \
 133         fi
 134 else
 135         @if [ "$(CFEZ_MAXSIZE)" != "" ]; then \
 136                 if [ "`wc -c < cfe_rt-ac56u.bin`" -gt "$(CFEZ_MAXSIZE)" ]; then \
 137                         echo "*** ERROR *** : cfe_rt-ac56u.bin bootrom image size: `wc -c < cfe_rt-ac56u.bin` exceeds limit: $(CFEZ_MAXSIZE)"; \
 138                 fi ; \
 139         fi
 140 endif
 141 endif
 142
 143 # Link the loader and the kernel binary together
 144 cfez: cfez.lds $(OBJECTS) piggy.o
 145         $(LD) -static -Map cfez.map --gc-sections -no-warn-mismatch -T cfez.lds -o $@ $(OBJECTS) $(LDLIBS) piggy.o
 146
 147 cfez.lds: $(CFEZ_LDS_IN) Makefile
 148         sed -e s/TEXT_START/$(TEXT_START)/ \
 149             -e s/TARGET_ARCH/$(ARCH)/ < $< > $@
 150
 151 # Create a linkable version of the (possibly compressed) kernel binary
 152 piggy.o: piggz piggy.lds
 153
 154 ifeq ($(CFG_LITTLE), 1)
 155         $(LD) -no-warn-mismatch -T piggy.lds -r -o $@ -b binary piggz -b $(ELF32_LITTLE)
 156 else
 157         $(LD) -no-warn-mismatch -T piggy.lds -r -o $@ -b binary piggz -b $(ELF32_BIG)
 158 endif
 159
 160 piggy.lds:
 161         @echo "SECTIONS { .data : { input_len = .; LONG(input_data_end - input_data) input_data = .; *(.data) input_data_end = .; }}" > $@
 162
 163 piggz: piggy
 164 ifneq ($(findstring lzma_4k,$(COMPRESS)),)
 165         $(COMPRESS) $< $@
 166 else
 167         $(COMPRESS) $< > $@
 168 endif
 169
 170 piggy: $(SYSTEM)
 171         $(OBJCOPY) $< $@
 172
 173 mrproper: clean
 174
 175 clean:
 176         rm -f cfez cfez.bin cfez.srec piggz piggy *.lds *.o *.map
 177
 178 %.o : %.S
 179         $(GCC) $(ASFLAGS) $(CFLAGS) -o $@ $<