OpenWrt – Blame information for rev 1
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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1 | office | 1 | # |
| 2 | # Makefile for the kernel relocation stub for MIPS devices |
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| 3 | # |
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| 4 | # Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org> |
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| 5 | # Copyright (C) 2015 Felix Fietkau <nbd@nbd.name> |
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| 6 | # |
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| 7 | # Some parts of this file was based on the OpenWrt specific lzma-loader |
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| 8 | # for the BCM47xx and ADM5120 based boards: |
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| 9 | # Copyright (C) 2004 Manuel Novoa III (mjn3@codepoet.org) |
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| 10 | # Copyright (C) 2005 Mineharu Takahara <mtakahar@yahoo.com> |
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| 11 | # Copyright (C) 2005 by Oleg I. Vdovikin <oleg@cs.msu.su> |
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| 12 | # |
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| 13 | # This program is free software; you can redistribute it and/or modify it |
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| 14 | # under the terms of the GNU General Public License version 2 as published |
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| 15 | # by the Free Software Foundation. |
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| 16 | # |
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| 17 | |||
| 18 | LOADADDR := |
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| 19 | LZMA_TEXT_START := 0x81000000 |
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| 20 | LOADER_DATA := |
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| 21 | BOARD := |
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| 22 | FLASH_OFFS := |
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| 23 | FLASH_MAX := |
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| 24 | PLATFORM := |
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| 25 | CACHELINE_SIZE := 32 |
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| 26 | |||
| 27 | CC := $(CROSS_COMPILE)gcc |
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| 28 | LD := $(CROSS_COMPILE)ld |
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| 29 | OBJCOPY := $(CROSS_COMPILE)objcopy |
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| 30 | OBJDUMP := $(CROSS_COMPILE)objdump |
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| 31 | |||
| 32 | BIN_FLAGS := -O binary -R .reginfo -R .note -R .comment -R .mdebug \ |
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| 33 | -R .MIPS.abiflags -S |
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| 34 | |||
| 35 | CFLAGS = -D__KERNEL__ -Wall -Wstrict-prototypes -Wno-trigraphs -Os \ |
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| 36 | -fno-strict-aliasing -fno-common -fomit-frame-pointer -G 0 \ |
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| 37 | -mno-abicalls -fno-pic -ffunction-sections -pipe -mlong-calls \ |
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| 38 | -fno-common -ffreestanding -fhonour-copts \ |
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| 39 | -mabi=32 -march=mips32r2 \ |
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| 40 | -Wa,-32 -Wa,-march=mips32r2 -Wa,-mips32r2 -Wa,--trap \ |
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| 41 | -DCONFIG_CACHELINE_SIZE=$(CACHELINE_SIZE) \ |
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| 42 | -DKERNEL_ADDR=$(KERNEL_ADDR) |
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| 43 | |||
| 44 | ASFLAGS = $(CFLAGS) -D__ASSEMBLY__ |
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| 45 | |||
| 46 | LDFLAGS = -static --gc-sections -no-warn-mismatch |
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| 47 | LDFLAGS += -e startup -T loader.lds -Ttext $(LZMA_TEXT_START) |
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| 48 | |||
| 49 | O_FORMAT = $(shell $(OBJDUMP) -i | head -2 | grep elf32) |
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| 50 | |||
| 51 | OBJECTS := head.o |
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| 52 | |||
| 53 | all: head.o loader.bin |
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| 54 | |||
| 55 | # Don't build dependencies, this may die if $(CC) isn't gcc |
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| 56 | dep: |
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| 57 | |||
| 58 | install: |
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| 59 | |||
| 60 | %.o : %.c |
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| 61 | $(CC) $(CFLAGS) -c -o $@ $< |
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| 62 | |||
| 63 | %.o : %.S |
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| 64 | $(CC) $(ASFLAGS) -c -o $@ $< |
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| 65 | |||
| 66 | loader: $(OBJECTS) |
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| 67 | $(LD) $(LDFLAGS) -o $@ $(OBJECTS) |
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| 68 | |||
| 69 | loader.bin: loader |
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| 70 | $(OBJCOPY) $(BIN_FLAGS) $< $@ |
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| 71 | |||
| 72 | mrproper: clean |
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| 73 | |||
| 74 | clean: |
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| 75 | rm -f loader *.elf *.bin *.o |