From 716ca530e1c4515d8683c9d5be3d56b301758b66 Mon Sep 17 00:00:00 2001
From: James <>
Date: Wed, 4 Nov 2015 11:49:21 +0000
Subject: trunk-47381

---
 .../linux/generic/image/lzma-loader/src/Makefile   | 68 ++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 target/linux/generic/image/lzma-loader/src/Makefile

(limited to 'target/linux/generic/image/lzma-loader/src/Makefile')

diff --git a/target/linux/generic/image/lzma-loader/src/Makefile b/target/linux/generic/image/lzma-loader/src/Makefile
new file mode 100644
index 0000000..910172c
--- /dev/null
+++ b/target/linux/generic/image/lzma-loader/src/Makefile
@@ -0,0 +1,68 @@
+# 
+# Copyright (C) 2006 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+RAMSTART = 0x80000000
+RAMSIZE = 0x00100000		# 1MB
+LOADADDR = 0x80400000		# RAM start + 4M
+KERNEL_ENTRY = 0x80001000
+IMAGE_COPY:=0
+
+CROSS_COMPILE = mips-linux-
+
+OBJCOPY:= $(CROSS_COMPILE)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S
+CFLAGS := -fno-builtin -Os -G 0 -ffunction-sections -mno-abicalls -fno-pic -mabi=32 -march=mips32 -Wa,-32 -Wa,-march=mips32 -Wa,-mips32 -Wa,--trap -Wall -DRAMSTART=${RAMSTART} -DRAMSIZE=${RAMSIZE} -DKERNEL_ENTRY=${KERNEL_ENTRY} -D_LZMA_IN_CB
+ifeq ($(IMAGE_COPY),1)
+CFLAGS += -DLOADADDR=${LOADADDR} -DIMAGE_COPY=1
+endif
+
+.S.s:
+	$(CPP) $(CFLAGS) $< -o $*.s
+.S.o:
+	$(CC) $(CFLAGS) -c $< -o $*.o
+.c.o:
+	$(CC) $(CFLAGS) -c $< -o $*.o
+
+CC =       $(CROSS_COMPILE)gcc
+LD =       $(CROSS_COMPILE)ld
+OBJDUMP =  $(CROSS_COMPILE)objdump
+
+O_FORMAT = $(shell $(OBJDUMP) -i | head -2 | grep elf32)
+
+# Drop some uninteresting sections in the kernel.
+# This is only relevant for ELF kernels but doesn't hurt a.out
+drop-sections   = .reginfo .mdebug .comment
+strip-flags     = $(addprefix --remove-section=,$(drop-sections))
+
+all : lzma.elf lzma.bin
+
+lzma.lds: lzma.lds.in
+	sed -e 's,@LOADADDR@,$(LOADADDR),g' -e 's,@ENTRY@,_start,g' $< >$@
+
+kernel.o: vmlinux.lzma lzma.lds
+	$(LD) -r -b binary --oformat $(O_FORMAT) -o $@ $<
+
+lzma.bin: lzma.elf
+	$(OBJCOPY) $< $@
+
+ifeq ($(IMAGE_COPY),1)
+LOADER_ENTRY ?= $(KERNEL_ENTRY)
+lzma.o: decompress.o LzmaDecode.o kernel.o
+	sed -e 's,@LOADADDR@,$(LOADADDR),g' -e 's,@ENTRY@,entry,g' lzma.lds.in >lzma-stage2.lds
+	$(LD) -static --no-warn-mismatch -e entry -Tlzma-stage2.lds -o temp-$@ $^
+	$(OBJCOPY) temp-$@ lzma.tmp
+	@echo "SECTIONS { .data : { code_start = .; *(.data) code_stop = .; }}" > lzma-data.lds
+	$(LD) -no-warn-mismatch -T lzma-data.lds -r -o $@ -b binary lzma.tmp --oformat $(O_FORMAT)
+	
+lzma.elf: start.o lzma.o
+	sed -e 's,@LOADADDR@,$(LOADER_ENTRY),g' lzma-copy.lds.in >lzma-copy.lds
+	$(LD) -s -Tlzma-copy.lds -o $@ $^
+else
+lzma.elf: start.o decompress.o LzmaDecode.o kernel.o
+	$(LD) -s -Tlzma.lds -o $@ $^
+endif
+
+clean:
+	rm -f *.o lzma.elf lzma.bin *.tmp *.lds
-- 
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