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-rw-r--r--arch/mips/boot/compressed/Makefile108
1 files changed, 108 insertions, 0 deletions
diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile
new file mode 100644
index 00000000000..5042d51b051
--- /dev/null
+++ b/arch/mips/boot/compressed/Makefile
@@ -0,0 +1,108 @@
+#
+# This file is subject to the terms and conditions of the GNU General Public
+# License.
+#
+# Adapted for MIPS Pete Popov, Dan Malek
+#
+# Copyright (C) 1994 by Linus Torvalds
+# Adapted for PowerPC by Gary Thomas
+# modified by Cort (cort@cs.nmt.edu)
+#
+# Copyright (C) 2009 Lemote Inc. & DSLab, Lanzhou University
+# Author: Wu Zhangjin <wuzhangjin@gmail.com>
+#
+
+# set the default size of the mallocing area for decompressing
+BOOT_HEAP_SIZE := 0x400000
+
+# Disable Function Tracer
+KBUILD_CFLAGS := $(shell echo $(KBUILD_CFLAGS) | sed -e "s/-pg//")
+
+KBUILD_CFLAGS := $(LINUXINCLUDE) $(KBUILD_CFLAGS) -D__KERNEL__ \
+ -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) -D"VMLINUX_LOAD_ADDRESS_ULL=$(VMLINUX_LOAD_ADDRESS)ull"
+
+KBUILD_AFLAGS := $(LINUXINCLUDE) $(KBUILD_AFLAGS) -D__ASSEMBLY__ \
+ -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) \
+ -DKERNEL_ENTRY=0x$(shell $(NM) $(objtree)/$(KBUILD_IMAGE) 2>/dev/null | grep " kernel_entry" | cut -f1 -d \ )
+
+targets := head.o decompress.o dbg.o uart-16550.o uart-alchemy.o
+
+# decompressor objects (linked with vmlinuz)
+vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/dbg.o
+
+ifdef CONFIG_DEBUG_ZBOOT
+vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART16550) += $(obj)/uart-16550.o
+vmlinuzobjs-$(CONFIG_MIPS_ALCHEMY) += $(obj)/uart-alchemy.o
+endif
+
+targets += vmlinux.bin
+OBJCOPYFLAGS_vmlinux.bin := $(OBJCOPYFLAGS) -O binary -R .comment -S
+$(obj)/vmlinux.bin: $(KBUILD_IMAGE) FORCE
+ $(call if_changed,objcopy)
+
+tool_$(CONFIG_KERNEL_GZIP) = gzip
+tool_$(CONFIG_KERNEL_BZIP2) = bzip2
+tool_$(CONFIG_KERNEL_LZMA) = lzma
+tool_$(CONFIG_KERNEL_LZO) = lzo
+
+targets += vmlinux.bin.z
+$(obj)/vmlinux.bin.z: $(obj)/vmlinux.bin FORCE
+ $(call if_changed,$(tool_y))
+
+targets += piggy.o
+OBJCOPYFLAGS_piggy.o := --add-section=.image=$(obj)/vmlinux.bin.z \
+ --set-section-flags=.image=contents,alloc,load,readonly,data
+$(obj)/piggy.o: $(obj)/dummy.o $(obj)/vmlinux.bin.z FORCE
+ $(call if_changed,objcopy)
+
+# Calculate the load address of the compressed kernel image
+hostprogs-y := calc_vmlinuz_load_addr
+
+VMLINUZ_LOAD_ADDRESS = $(shell $(obj)/calc_vmlinuz_load_addr \
+ $(obj)/vmlinux.bin $(VMLINUX_LOAD_ADDRESS))
+
+vmlinuzobjs-y += $(obj)/piggy.o
+
+quiet_cmd_zld = LD $@
+ cmd_zld = $(LD) $(LDFLAGS) -Ttext $(VMLINUZ_LOAD_ADDRESS) -T $< $(vmlinuzobjs-y) -o $@
+quiet_cmd_strip = STRIP $@
+ cmd_strip = $(STRIP) -s $@
+vmlinuz: $(src)/ld.script $(vmlinuzobjs-y) $(obj)/calc_vmlinuz_load_addr
+ $(call cmd,zld)
+ $(call cmd,strip)
+
+#
+# Some DECstations need all possible sections of an ECOFF executable
+#
+ifdef CONFIG_MACH_DECSTATION
+ e2eflag := -a
+endif
+
+# elf2ecoff can only handle 32bit image
+hostprogs-y += ../elf2ecoff
+
+ifdef CONFIG_32BIT
+ VMLINUZ = vmlinuz
+else
+ VMLINUZ = vmlinuz.32
+endif
+
+quiet_cmd_32 = OBJCOPY $@
+ cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@
+vmlinuz.32: vmlinuz
+ $(call cmd,32)
+
+quiet_cmd_ecoff = ECOFF $@
+ cmd_ecoff = $< $(VMLINUZ) $@ $(e2eflag)
+vmlinuz.ecoff: $(obj)/../elf2ecoff $(VMLINUZ)
+ $(call cmd,ecoff)
+
+OBJCOPYFLAGS_vmlinuz.bin := $(OBJCOPYFLAGS) -O binary
+vmlinuz.bin: vmlinuz
+ $(call cmd,objcopy)
+
+OBJCOPYFLAGS_vmlinuz.srec := $(OBJCOPYFLAGS) -S -O srec
+vmlinuz.srec: vmlinuz
+ $(call cmd,objcopy)
+
+clean-files := $(objtree)/vmlinuz $(objtree)/vmlinuz.{32,ecoff,bin,srec}