2009-10-14 17:12:16 +07:00
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#
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# This file is subject to the terms and conditions of the GNU General Public
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# License.
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#
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# Adapted for MIPS Pete Popov, Dan Malek
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#
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# Copyright (C) 1994 by Linus Torvalds
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# Adapted for PowerPC by Gary Thomas
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# modified by Cort (cort@cs.nmt.edu)
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#
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# Copyright (C) 2009 Lemote Inc. & DSLab, Lanzhou University
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2010-01-04 16:16:51 +07:00
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# Author: Wu Zhangjin <wuzhangjin@gmail.com>
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2009-10-14 17:12:16 +07:00
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#
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2015-03-17 04:43:08 +07:00
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include $(srctree)/arch/mips/Kbuild.platforms
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2009-10-14 17:12:16 +07:00
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# set the default size of the mallocing area for decompressing
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BOOT_HEAP_SIZE := 0x400000
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# Disable Function Tracer
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2016-12-27 01:57:52 +07:00
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KBUILD_CFLAGS := $(filter-out -pg, $(KBUILD_CFLAGS))
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2009-10-14 17:12:16 +07:00
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2013-07-01 16:38:30 +07:00
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KBUILD_CFLAGS := $(filter-out -fstack-protector, $(KBUILD_CFLAGS))
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2016-11-25 19:36:18 +07:00
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KBUILD_CFLAGS := $(KBUILD_CFLAGS) -D__KERNEL__ \
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2010-01-26 16:04:02 +07:00
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-DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) -D"VMLINUX_LOAD_ADDRESS_ULL=$(VMLINUX_LOAD_ADDRESS)ull"
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2009-10-14 17:12:16 +07:00
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2016-11-25 19:36:18 +07:00
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KBUILD_AFLAGS := $(KBUILD_AFLAGS) -D__ASSEMBLY__ \
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2010-01-26 16:04:02 +07:00
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-DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) \
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2013-08-30 22:42:41 +07:00
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-DKERNEL_ENTRY=$(VMLINUX_ENTRY_ADDRESS)
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2009-10-14 17:12:16 +07:00
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2010-05-30 21:28:03 +07:00
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# decompressor objects (linked with vmlinuz)
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2010-12-25 22:11:49 +07:00
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vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/string.o
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2009-10-14 17:12:16 +07:00
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2010-01-31 19:39:40 +07:00
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ifdef CONFIG_DEBUG_ZBOOT
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2010-12-25 22:11:49 +07:00
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vmlinuzobjs-$(CONFIG_DEBUG_ZBOOT) += $(obj)/dbg.o
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2010-05-30 21:28:03 +07:00
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vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART16550) += $(obj)/uart-16550.o
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2015-12-10 16:57:21 +07:00
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vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART_PROM) += $(obj)/uart-prom.o
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2010-07-16 02:45:04 +07:00
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vmlinuzobjs-$(CONFIG_MIPS_ALCHEMY) += $(obj)/uart-alchemy.o
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2016-01-26 15:38:29 +07:00
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vmlinuzobjs-$(CONFIG_ATH79) += $(obj)/uart-ath79.o
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2010-01-31 19:39:40 +07:00
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endif
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2009-10-14 17:12:16 +07:00
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2016-01-26 15:38:29 +07:00
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extra-y += uart-ath79.c
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$(obj)/uart-ath79.c: $(srctree)/arch/mips/ath79/early_printk.c
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$(call cmd,shipped)
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2016-01-26 15:38:27 +07:00
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vmlinuzobjs-$(CONFIG_KERNEL_XZ) += $(obj)/ashldi3.o $(obj)/bswapsi.o
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2015-12-10 16:57:20 +07:00
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2016-01-26 15:38:28 +07:00
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extra-y += ashldi3.c bswapsi.c
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2016-01-26 15:38:27 +07:00
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$(obj)/ashldi3.o $(obj)/bswapsi.o: KBUILD_CFLAGS += -I$(srctree)/arch/mips/lib
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$(obj)/ashldi3.c $(obj)/bswapsi.c: $(obj)/%.c: $(srctree)/arch/mips/lib/%.c
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2015-12-10 16:57:20 +07:00
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$(call cmd,shipped)
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targets := $(notdir $(vmlinuzobjs-y))
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2013-09-11 17:51:41 +07:00
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2010-05-30 21:28:03 +07:00
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targets += vmlinux.bin
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2009-10-14 17:12:16 +07:00
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OBJCOPYFLAGS_vmlinux.bin := $(OBJCOPYFLAGS) -O binary -R .comment -S
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2010-05-30 21:28:03 +07:00
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$(obj)/vmlinux.bin: $(KBUILD_IMAGE) FORCE
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2009-10-14 17:12:16 +07:00
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$(call if_changed,objcopy)
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tool_$(CONFIG_KERNEL_GZIP) = gzip
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tool_$(CONFIG_KERNEL_BZIP2) = bzip2
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2013-09-16 22:55:20 +07:00
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tool_$(CONFIG_KERNEL_LZ4) = lz4
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2009-10-14 17:12:16 +07:00
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tool_$(CONFIG_KERNEL_LZMA) = lzma
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2010-01-15 19:34:46 +07:00
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tool_$(CONFIG_KERNEL_LZO) = lzo
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2013-09-11 17:51:41 +07:00
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tool_$(CONFIG_KERNEL_XZ) = xzkern
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2010-05-30 21:28:03 +07:00
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2010-06-02 15:35:24 +07:00
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targets += vmlinux.bin.z
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$(obj)/vmlinux.bin.z: $(obj)/vmlinux.bin FORCE
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2009-10-14 17:12:16 +07:00
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$(call if_changed,$(tool_y))
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2015-12-10 16:57:20 +07:00
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targets += piggy.o dummy.o
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2010-06-02 15:35:24 +07:00
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OBJCOPYFLAGS_piggy.o := --add-section=.image=$(obj)/vmlinux.bin.z \
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2013-01-22 18:59:30 +07:00
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--set-section-flags=.image=contents,alloc,load,readonly,data
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2010-06-02 15:35:24 +07:00
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$(obj)/piggy.o: $(obj)/dummy.o $(obj)/vmlinux.bin.z FORCE
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2010-05-30 21:28:03 +07:00
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$(call if_changed,objcopy)
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2009-10-14 17:12:16 +07:00
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2010-06-02 15:35:25 +07:00
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# Calculate the load address of the compressed kernel image
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hostprogs-y := calc_vmlinuz_load_addr
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2015-03-17 04:43:08 +07:00
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ifneq ($(zload-y),)
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VMLINUZ_LOAD_ADDRESS := $(zload-y)
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2012-03-30 21:48:05 +07:00
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else
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2010-06-02 15:35:25 +07:00
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VMLINUZ_LOAD_ADDRESS = $(shell $(obj)/calc_vmlinuz_load_addr \
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2010-08-31 17:24:19 +07:00
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$(obj)/vmlinux.bin $(VMLINUX_LOAD_ADDRESS))
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2012-03-30 21:48:05 +07:00
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endif
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2016-10-31 21:19:55 +07:00
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UIMAGE_LOADADDR = $(VMLINUZ_LOAD_ADDRESS)
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2010-06-02 15:35:25 +07:00
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vmlinuzobjs-y += $(obj)/piggy.o
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2015-08-18 21:03:10 +07:00
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quiet_cmd_zld = LD $@
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2010-06-02 15:35:25 +07:00
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cmd_zld = $(LD) $(LDFLAGS) -Ttext $(VMLINUZ_LOAD_ADDRESS) -T $< $(vmlinuzobjs-y) -o $@
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2013-01-22 18:59:30 +07:00
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quiet_cmd_strip = STRIP $@
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2010-06-16 14:52:21 +07:00
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cmd_strip = $(STRIP) -s $@
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2010-06-02 15:35:25 +07:00
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vmlinuz: $(src)/ld.script $(vmlinuzobjs-y) $(obj)/calc_vmlinuz_load_addr
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$(call cmd,zld)
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2010-06-16 14:52:21 +07:00
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$(call cmd,strip)
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2009-10-14 17:12:16 +07:00
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#
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# Some DECstations need all possible sections of an ECOFF executable
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#
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ifdef CONFIG_MACH_DECSTATION
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2010-05-30 21:28:03 +07:00
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e2eflag := -a
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2009-10-14 17:12:16 +07:00
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endif
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# elf2ecoff can only handle 32bit image
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2010-06-02 15:35:25 +07:00
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hostprogs-y += ../elf2ecoff
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2009-10-14 17:12:16 +07:00
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ifdef CONFIG_32BIT
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VMLINUZ = vmlinuz
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else
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VMLINUZ = vmlinuz.32
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endif
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2010-05-30 21:28:03 +07:00
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quiet_cmd_32 = OBJCOPY $@
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cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@
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2009-10-14 17:12:16 +07:00
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vmlinuz.32: vmlinuz
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2010-05-30 21:28:03 +07:00
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$(call cmd,32)
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2009-10-14 17:12:16 +07:00
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2013-01-22 18:59:30 +07:00
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quiet_cmd_ecoff = ECOFF $@
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2010-05-30 21:28:03 +07:00
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cmd_ecoff = $< $(VMLINUZ) $@ $(e2eflag)
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2009-10-14 17:12:16 +07:00
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vmlinuz.ecoff: $(obj)/../elf2ecoff $(VMLINUZ)
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2010-05-30 21:28:03 +07:00
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$(call cmd,ecoff)
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2009-10-14 17:12:16 +07:00
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2009-12-10 21:55:13 +07:00
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OBJCOPYFLAGS_vmlinuz.bin := $(OBJCOPYFLAGS) -O binary
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2009-10-14 17:12:16 +07:00
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vmlinuz.bin: vmlinuz
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2010-05-30 21:28:03 +07:00
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$(call cmd,objcopy)
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2009-10-14 17:12:16 +07:00
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2009-12-10 21:55:13 +07:00
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OBJCOPYFLAGS_vmlinuz.srec := $(OBJCOPYFLAGS) -S -O srec
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2009-10-14 17:12:16 +07:00
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vmlinuz.srec: vmlinuz
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2010-05-30 21:28:03 +07:00
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$(call cmd,objcopy)
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2009-10-14 17:12:16 +07:00
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2016-10-31 21:19:55 +07:00
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uzImage.bin: vmlinuz.bin FORCE
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$(call if_changed,uimage,none)
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2010-09-22 13:03:57 +07:00
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clean-files := $(objtree)/vmlinuz $(objtree)/vmlinuz.{32,ecoff,bin,srec}
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