OpenWrt – Blame information for rev 1
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| Rev | Author | Line No. | Line |
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| 1 | office | 1 | # |
| 2 | # Makefile for Broadcom BCM947XX boards |
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| 3 | # |
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| 4 | # Copyright 2001-2003, Broadcom Corporation |
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| 5 | # All Rights Reserved. |
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| 6 | # |
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| 7 | # THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY |
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| 8 | # KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM |
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| 9 | # SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS |
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| 10 | # FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. |
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| 11 | # |
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| 12 | # Copyright 2004 Manuel Novoa III <mjn3@codepoet.org> |
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| 13 | # Modified to support bzip'd kernels. |
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| 14 | # Of course, it would be better to integrate bunzip capability into CFE. |
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| 15 | # |
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| 16 | # Copyright 2005 Oleg I. Vdovikin <oleg@cs.msu.su> |
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| 17 | # Cleaned up, modified for lzma support, removed from kernel |
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| 18 | # |
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| 19 | # Copyright 2007 Gabor Juhos <juhosg at openwrt.org> |
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| 20 | # Modified to support user defined entry point address. |
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| 21 | # Added support for make targets with different names |
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| 22 | # |
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| 23 | |||
| 24 | LOADADDR := 0x80001000 |
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| 25 | LZMA_TEXT_START := 0x80500000 |
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| 26 | LZMA_STARTUP_ORG:= 0 |
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| 27 | LOADER_DATA := |
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| 28 | CONFIG_PASS_KARGS := |
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| 29 | CONFIG_BOARD := |
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| 30 | |||
| 31 | CC := $(CROSS_COMPILE)gcc |
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| 32 | LD := $(CROSS_COMPILE)ld |
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| 33 | OBJCOPY := $(CROSS_COMPILE)objcopy |
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| 34 | OBJDUMP := $(CROSS_COMPILE)objdump |
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| 35 | |||
| 36 | BIN_FLAGS := -O binary -R .reginfo -R .note -R .comment -R .mdebug -S |
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| 37 | |||
| 38 | CFLAGS = -D__KERNEL__ -Wall -Wstrict-prototypes -Wno-trigraphs -Os \ |
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| 39 | -fno-strict-aliasing -fno-common -fomit-frame-pointer -G 0 -mno-abicalls -fno-pic \ |
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| 40 | -ffunction-sections -pipe -mlong-calls -fno-common -ffreestanding \ |
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| 41 | -fhonour-copts \ |
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| 42 | -mabi=32 -march=mips32 -Wa,-32 -Wa,-march=mips32 -Wa,-mips32 -Wa,--trap |
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| 43 | CFLAGS += -DLOADADDR=$(LOADADDR) -D_LZMA_PROB32 |
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| 44 | |||
| 45 | ASFLAGS = $(CFLAGS) -D__ASSEMBLY__ -DLZMA_STARTUP_ORG=$(LZMA_STARTUP_ORG) |
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| 46 | |||
| 47 | LDFLAGS = -static --gc-sections -no-warn-mismatch |
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| 48 | LDFLAGS += -e startup -T loader.lds -Ttext $(LZMA_TEXT_START) |
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| 49 | |||
| 50 | O_FORMAT = $(shell $(OBJDUMP) -i | head -2 | grep elf32) |
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| 51 | |||
| 52 | OBJECTS := head.o decompress.o board.o printf.o LzmaDecode.o |
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| 53 | |||
| 54 | ifneq ($(strip $(LOADER_DATA)),) |
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| 55 | OBJECTS += data.o |
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| 56 | CFLAGS += -DLZMA_WRAPPER=1 |
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| 57 | else |
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| 58 | CFLAGS += -D_LZMA_IN_CB |
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| 59 | endif |
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| 60 | |||
| 61 | ifneq ($(strip $(CONFIG_PASS_KARGS)),) |
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| 62 | CFLAGS += -DCONFIG_PASS_KARGS |
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| 63 | endif |
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| 64 | |||
| 65 | BOARD_DEF := $(strip $(CONFIG_BOARD)) |
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| 66 | BOARD_DEF := $(shell echo $(BOARD_DEF) | tr a-z A-Z | tr -d -) |
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| 67 | ifneq ($(BOARD_DEF),) |
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| 68 | CFLAGS += -DCONFIG_BOARD_$(BOARD_DEF) |
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| 69 | endif |
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| 70 | |||
| 71 | all: loader.bin |
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| 72 | |||
| 73 | # Don't build dependencies, this may die if $(CC) isn't gcc |
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| 74 | dep: |
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| 75 | |||
| 76 | install: |
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| 77 | |||
| 78 | %.o : %.c |
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| 79 | $(CC) $(CFLAGS) -c -o $@ $< |
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| 80 | |||
| 81 | %.o : %.S |
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| 82 | $(CC) $(ASFLAGS) -c -o $@ $< |
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| 83 | |||
| 84 | data.o: $(LOADER_DATA) |
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| 85 | $(LD) -r -b binary --oformat $(O_FORMAT) -T lzma-data.lds -o $@ $< |
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| 86 | |||
| 87 | loader.bin: loader.elf |
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| 88 | $(OBJCOPY) $(BIN_FLAGS) $< $@ |
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| 89 | |||
| 90 | loader.elf: $(OBJECTS) |
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| 91 | $(LD) $(LDFLAGS) -o $@ $(OBJECTS) |
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| 92 | |||
| 93 | mrproper: clean |
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| 94 | |||
| 95 | clean: |
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| 96 | rm -f *.elf *.bin *.o |
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| 97 | |||
| 98 | |||
| 99 |