ramips: move relocating loader to common location

[openwrt/openwrt.git] / target / linux / generic / image / relocate / Makefile

diff --git a/target/linux/generic/image/relocate/Makefile b/target/linux/generic/image/relocate/Makefile
new file mode 100644 (file)
index 0000000..500423b
--- /dev/null
+++ b/target/linux/generic/image/relocate/Makefile
@@ -0,0 +1,72 @@
+#
+# Makefile for the kernel relocation stub for MIPS devices
+#
+# Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
+# Copyright (C) 2015 Felix Fietkau <nbd@openwrt.org>
+#
+# Some parts of this file was based on the OpenWrt specific lzma-loader
+# for the BCM47xx and ADM5120 based boards:
+#      Copyright (C) 2004 Manuel Novoa III (mjn3@codepoet.org)
+#      Copyright (C) 2005 Mineharu Takahara <mtakahar@yahoo.com>
+#      Copyright (C) 2005 by Oleg I. Vdovikin <oleg@cs.msu.su>
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License version 2 as published
+# by the Free Software Foundation.
+#
+
+LOADADDR       :=
+LZMA_TEXT_START        := 0x81000000
+LOADER_DATA    :=
+BOARD          :=
+FLASH_OFFS     :=
+FLASH_MAX      :=
+PLATFORM       :=
+
+CC             := $(CROSS_COMPILE)gcc
+LD             := $(CROSS_COMPILE)ld
+OBJCOPY                := $(CROSS_COMPILE)objcopy
+OBJDUMP                := $(CROSS_COMPILE)objdump
+
+BIN_FLAGS      := -O binary -R .reginfo -R .note -R .comment -R .mdebug -S
+
+CFLAGS         = -D__KERNEL__ -Wall -Wstrict-prototypes -Wno-trigraphs -Os \
+                 -fno-strict-aliasing -fno-common -fomit-frame-pointer -G 0 \
+                 -mno-abicalls -fno-pic -ffunction-sections -pipe -mlong-calls \
+                 -fno-common -ffreestanding -fhonour-copts \
+                 -mabi=32 -march=mips32r2 \
+                 -Wa,-32 -Wa,-march=mips32r2 -Wa,-mips32r2 -Wa,--trap \
+                 -DCONFIG_CACHELINE_SIZE=32 -DKERNEL_ADDR=$(KERNEL_ADDR)
+
+ASFLAGS                = $(CFLAGS) -D__ASSEMBLY__
+
+LDFLAGS                = -static --gc-sections -no-warn-mismatch
+LDFLAGS                += -e startup -T loader.lds -Ttext $(LZMA_TEXT_START)
+
+O_FORMAT       = $(shell $(OBJDUMP) -i | head -2 | grep elf32)
+
+OBJECTS                := head.o
+
+all: head.o loader.bin
+
+# Don't build dependencies, this may die if $(CC) isn't gcc
+dep:
+
+install:
+
+%.o : %.c
+       $(CC) $(CFLAGS) -c -o $@ $<
+
+%.o : %.S
+       $(CC) $(ASFLAGS) -c -o $@ $<
+
+loader: $(OBJECTS)
+       $(LD) $(LDFLAGS) -o $@ $(OBJECTS)
+
+loader.bin: loader
+       $(OBJCOPY) $(BIN_FLAGS) $< $@
+
+mrproper: clean
+
+clean:
+       rm -f loader *.elf *.bin *.o