| 1 | # |
| 2 | # Makefile for Broadcom BCM947XX boards |
| 3 | # |
| 4 | # Copyright 2001-2003, Broadcom Corporation |
| 5 | # All Rights Reserved. |
| 6 | # |
| 7 | # THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY |
| 8 | # KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM |
| 9 | # SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS |
| 10 | # FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. |
| 11 | # |
| 12 | # Copyright 2004 Manuel Novoa III <mjn3@codepoet.org> |
| 13 | # Modified to support bzip'd kernels. |
| 14 | # Of course, it would be better to integrate bunzip capability into CFE. |
| 15 | # |
| 16 | # Copyright 2005 Oleg I. Vdovikin <oleg@cs.msu.su> |
| 17 | # Cleaned up, modified for lzma support, removed from kernel |
| 18 | # |
| 19 | |
| 20 | TEXT_START := 0x80010000 |
| 21 | BZ_TEXT_START := 0x80300000 |
| 22 | |
| 23 | OBJCOPY := $(CROSS_COMPILE)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S |
| 24 | |
| 25 | CFLAGS = -D__KERNEL__ -Wall -Wstrict-prototypes -Wno-trigraphs -Os \ |
| 26 | -fno-strict-aliasing -fno-common -fomit-frame-pointer -G 0 -mno-abicalls -fno-pic \ |
| 27 | -ffunction-sections -pipe -mlong-calls -fno-common \ |
| 28 | -mabi=32 -march=mips32 -Wa,-32 -Wa,-march=mips32 -Wa,-mips32 -Wa,--trap |
| 29 | CFLAGS += -DLOADADDR=$(TEXT_START) -D_LZMA_IN_CB |
| 30 | |
| 31 | ASFLAGS = $(CFLAGS) -D__ASSEMBLY__ -DBZ_TEXT_START=$(BZ_TEXT_START) |
| 32 | |
| 33 | SEDFLAGS := s/BZ_TEXT_START/$(BZ_TEXT_START)/;s/TEXT_START/$(TEXT_START)/ |
| 34 | |
| 35 | OBJECTS := head.o data.o |
| 36 | |
| 37 | all: loader.gz loader.elf |
| 38 | |
| 39 | # Don't build dependencies, this may die if $(CC) isn't gcc |
| 40 | dep: |
| 41 | |
| 42 | install: |
| 43 | |
| 44 | loader.gz: loader |
| 45 | gzip -nc9 $< > $@ |
| 46 | |
| 47 | loader.elf: loader.o |
| 48 | cp $< $@ |
| 49 | |
| 50 | loader: loader.o |
| 51 | $(OBJCOPY) $< $@ |
| 52 | |
| 53 | loader.o: loader.lds $(OBJECTS) |
| 54 | $(LD) -static --gc-sections -no-warn-mismatch -T loader.lds -o $@ $(OBJECTS) |
| 55 | |
| 56 | loader.lds: loader.lds.in Makefile |
| 57 | @sed "$(SEDFLAGS)" < $< > $@ |
| 58 | |
| 59 | data.o: data.lds decompress.image |
| 60 | $(LD) -no-warn-mismatch -T data.lds -r -o $@ -b binary decompress.image -b elf32-tradlittlemips |
| 61 | |
| 62 | data.lds: |
| 63 | @echo "SECTIONS { .data : { code_start = .; *(.data) code_stop = .; }}" > $@ |
| 64 | |
| 65 | decompress.image: decompress |
| 66 | $(OBJCOPY) $< $@ |
| 67 | |
| 68 | decompress: decompress.lds decompress.o LzmaDecode.o |
| 69 | $(LD) -static --gc-sections -no-warn-mismatch -T decompress.lds -o $@ decompress.o LzmaDecode.o |
| 70 | |
| 71 | decompress.lds: decompress.lds.in Makefile |
| 72 | @sed "$(SEDFLAGS)" < $< > $@ |
| 73 | |
| 74 | mrproper: clean |
| 75 | |
| 76 | clean: |
| 77 | rm -f loader.gz loader decompress *.lds *.o *.image |
| 78 | |
