2005-04-16 16:20:36 -06:00
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#
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# linux/arch/arm/boot/compressed/Makefile
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#
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# create a compressed vmlinuz image from the original vmlinux
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#
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2011-01-10 20:01:08 -07:00
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OBJS =
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2010-07-05 07:56:50 -06:00
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AFLAGS_head.o += -DTEXT_OFFSET=$(TEXT_OFFSET)
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2005-04-16 16:20:36 -06:00
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HEAD = head.o
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2011-01-10 20:01:08 -07:00
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OBJS += misc.o decompress.o
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2013-03-14 01:48:06 -06:00
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ifeq ($(CONFIG_DEBUG_UNCOMPRESS),y)
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OBJS += debug.o
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endif
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2013-06-09 03:46:43 -06:00
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FONTC = $(srctree)/lib/fonts/font_acorn_8x8.c
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2005-04-16 16:20:36 -06:00
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2011-09-13 19:42:55 -06:00
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# string library code (-Os is enforced to keep it much smaller)
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OBJS += string.o
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CFLAGS_string.o := -Os
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2012-02-10 19:07:07 -07:00
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ifeq ($(CONFIG_ARM_VIRT_EXT),y)
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OBJS += hyp-stub.o
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endif
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2014-09-18 13:39:15 -06:00
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GCOV_PROFILE := n
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2005-04-16 16:20:36 -06:00
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#
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# Architecture dependencies
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#
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ifeq ($(CONFIG_ARCH_ACORN),y)
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2007-06-03 11:54:42 -06:00
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OBJS += ll_char_wr.o font.o
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2005-04-16 16:20:36 -06:00
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endif
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ifeq ($(CONFIG_ARCH_SA1100),y)
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OBJS += head-sa1100.o
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endif
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ifeq ($(CONFIG_CPU_XSCALE),y)
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OBJS += head-xscale.o
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endif
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2010-06-22 19:27:32 -06:00
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ifeq ($(CONFIG_PXA_SHARPSL_DETECT_MACH_ID),y)
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2005-04-16 16:20:36 -06:00
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OBJS += head-sharpsl.o
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endif
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2009-05-30 07:00:18 -06:00
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ifeq ($(CONFIG_CPU_ENDIAN_BE32),y)
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2006-09-26 02:36:37 -06:00
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ifeq ($(CONFIG_CPU_CP15),y)
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2005-04-16 16:20:36 -06:00
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OBJS += big-endian.o
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2006-09-26 02:36:37 -06:00
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else
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# The endian should be set by h/w design.
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endif
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2005-04-16 16:20:36 -06:00
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endif
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#
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# We now have a PIC decompressor implementation. Decompressors running
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# from RAM should not define ZTEXTADDR. Decompressors running directly
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# from ROM or Flash must define ZTEXTADDR (preferably via the config)
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# FIXME: Previous assignment to ztextaddr-y is lost here. See SHARK
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ifeq ($(CONFIG_ZBOOT_ROM),y)
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ZTEXTADDR := $(CONFIG_ZBOOT_ROM_TEXT)
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ZBSSADDR := $(CONFIG_ZBOOT_ROM_BSS)
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else
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ZTEXTADDR := 0
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2011-04-21 19:45:08 -06:00
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ZBSSADDR := ALIGN(8)
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2005-04-16 16:20:36 -06:00
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endif
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2014-06-17 08:00:54 -06:00
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CPPFLAGS_vmlinux.lds := -DTEXT_START="$(ZTEXTADDR)" -DBSS_START="$(ZBSSADDR)"
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2005-04-16 16:20:36 -06:00
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2010-01-08 15:42:43 -07:00
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suffix_$(CONFIG_KERNEL_GZIP) = gzip
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suffix_$(CONFIG_KERNEL_LZO) = lzo
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2010-04-03 04:40:28 -06:00
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suffix_$(CONFIG_KERNEL_LZMA) = lzma
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2012-01-26 05:08:57 -07:00
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suffix_$(CONFIG_KERNEL_XZ) = xzkern
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2013-07-08 17:01:48 -06:00
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suffix_$(CONFIG_KERNEL_LZ4) = lz4
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2010-01-08 15:42:43 -07:00
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2011-09-13 20:37:07 -06:00
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# Borrowed libfdt files for the ATAG compatibility mode
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libfdt := fdt_rw.c fdt_ro.c fdt_wip.c fdt.c
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libfdt_hdrs := fdt.h libfdt.h libfdt_internal.h
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libfdt_objs := $(addsuffix .o, $(basename $(libfdt)))
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$(addprefix $(obj)/,$(libfdt) $(libfdt_hdrs)): $(obj)/%: $(srctree)/scripts/dtc/libfdt/%
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$(call cmd,shipped)
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$(addprefix $(obj)/,$(libfdt_objs) atags_to_fdt.o): \
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$(addprefix $(obj)/,$(libfdt_hdrs))
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ifeq ($(CONFIG_ARM_ATAG_DTB_COMPAT),y)
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OBJS += $(libfdt_objs) atags_to_fdt.o
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endif
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2010-01-08 15:42:43 -07:00
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targets := vmlinux vmlinux.lds \
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piggy.$(suffix_y) piggy.$(suffix_y).o \
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2013-11-05 21:15:24 -07:00
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lib1funcs.o lib1funcs.S ashldi3.o ashldi3.S bswapsdi2.o \
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bswapsdi2.S font.o font.c head.o misc.o $(OBJS)
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2008-05-31 02:53:50 -06:00
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2010-07-27 22:46:21 -06:00
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# Make sure files are removed during clean
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2013-07-08 17:01:48 -06:00
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extra-y += piggy.gzip piggy.lzo piggy.lzma piggy.xzkern piggy.lz4 \
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2013-11-05 21:15:24 -07:00
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lib1funcs.S ashldi3.S bswapsdi2.S $(libfdt) $(libfdt_hdrs) \
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2014-06-17 08:00:54 -06:00
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hyp-stub.S
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2010-07-27 22:46:21 -06:00
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2015-05-26 08:39:36 -06:00
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KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
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2008-10-06 17:06:12 -06:00
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ifeq ($(CONFIG_FUNCTION_TRACER),y)
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2008-05-31 02:53:50 -06:00
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ORIG_CFLAGS := $(KBUILD_CFLAGS)
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KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
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endif
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2013-03-04 07:17:36 -07:00
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ccflags-y := -fpic -mno-single-pic-base -fno-builtin -I$(obj)
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2013-05-31 15:50:47 -06:00
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asflags-y := -DZIMAGE
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2005-04-16 16:20:36 -06:00
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2011-06-11 23:07:33 -06:00
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# Supply kernel BSS size to the decompressor via a linker symbol.
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2011-12-01 14:45:47 -07:00
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KBSS_SZ = $(shell $(CROSS_COMPILE)size $(obj)/../../../../vmlinux | \
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awk 'END{print $$3}')
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2011-06-11 23:07:33 -06:00
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LDFLAGS_vmlinux = --defsym _kernel_bss_size=$(KBSS_SZ)
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2010-09-09 15:39:41 -06:00
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# Supply ZRELADDR to the decompressor via a linker symbol.
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ifneq ($(CONFIG_AUTO_ZRELADDR),y)
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2011-02-20 20:57:38 -07:00
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LDFLAGS_vmlinux += --defsym zreladdr=$(ZRELADDR)
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2010-09-09 15:39:41 -06:00
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endif
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2009-05-30 07:00:18 -06:00
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ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
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LDFLAGS_vmlinux += --be8
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endif
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2010-01-08 15:42:43 -07:00
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# ?
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LDFLAGS_vmlinux += -p
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# Report unresolved symbol references
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LDFLAGS_vmlinux += --no-undefined
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# Delete all temporary local symbols
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LDFLAGS_vmlinux += -X
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# Next argument is a linker script
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LDFLAGS_vmlinux += -T
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# For __aeabi_uidivmod
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lib1funcs = $(obj)/lib1funcs.o
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2011-09-13 22:16:21 -06:00
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$(obj)/lib1funcs.S: $(srctree)/arch/$(SRCARCH)/lib/lib1funcs.S
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2010-01-08 15:42:43 -07:00
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$(call cmd,shipped)
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2005-04-16 16:20:36 -06:00
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2012-01-26 05:08:57 -07:00
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# For __aeabi_llsl
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ashldi3 = $(obj)/ashldi3.o
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$(obj)/ashldi3.S: $(srctree)/arch/$(SRCARCH)/lib/ashldi3.S
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$(call cmd,shipped)
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2013-11-05 21:15:24 -07:00
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# For __bswapsi2, __bswapdi2
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bswapsdi2 = $(obj)/bswapsdi2.o
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$(obj)/bswapsdi2.S: $(srctree)/arch/$(SRCARCH)/lib/bswapsdi2.S
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$(call cmd,shipped)
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2011-04-27 12:54:39 -06:00
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# We need to prevent any GOTOFF relocs being used with references
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# to symbols in the .bss section since we cannot relocate them
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# independently from the rest at run time. This can be achieved by
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# ensuring that no private .bss symbols exist, as global symbols
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# always have a GOT entry which is what we need.
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# The .data section is already discarded by the linker script so no need
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# to bother about it here.
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check_for_bad_syms = \
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bad_syms=$$($(CROSS_COMPILE)nm $@ | sed -n 's/^.\{8\} [bc] \(.*\)/\1/p') && \
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[ -z "$$bad_syms" ] || \
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( echo "following symbols must have non local/private scope:" >&2; \
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echo "$$bad_syms" >&2; rm -f $@; false )
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2011-08-17 07:22:11 -06:00
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check_for_multiple_zreladdr = \
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2011-10-04 07:33:34 -06:00
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if [ $(words $(ZRELADDR)) -gt 1 -a "$(CONFIG_AUTO_ZRELADDR)" = "" ]; then \
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2011-08-17 07:22:11 -06:00
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echo 'multiple zreladdrs: $(ZRELADDR)'; \
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echo 'This needs CONFIG_AUTO_ZRELADDR to be set'; \
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false; \
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fi
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2015-09-23 21:17:54 -06:00
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efi-obj-$(CONFIG_EFI_STUB) := $(objtree)/drivers/firmware/efi/libstub/lib.a
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2010-01-08 15:42:43 -07:00
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$(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.$(suffix_y).o \
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2013-11-05 21:15:24 -07:00
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$(addprefix $(obj)/, $(OBJS)) $(lib1funcs) $(ashldi3) \
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2015-09-23 21:17:54 -06:00
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$(bswapsdi2) $(efi-obj-y) FORCE
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2011-08-17 07:22:11 -06:00
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@$(check_for_multiple_zreladdr)
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2005-04-16 16:20:36 -06:00
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$(call if_changed,ld)
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2011-04-27 12:54:39 -06:00
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@$(check_for_bad_syms)
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2005-04-16 16:20:36 -06:00
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2010-01-08 15:42:43 -07:00
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$(obj)/piggy.$(suffix_y): $(obj)/../Image FORCE
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$(call if_changed,$(suffix_y))
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2005-04-16 16:20:36 -06:00
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2010-01-08 15:42:43 -07:00
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$(obj)/piggy.$(suffix_y).o: $(obj)/piggy.$(suffix_y) FORCE
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2005-04-16 16:20:36 -06:00
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2007-06-03 11:54:42 -06:00
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CFLAGS_font.o := -Dstatic=
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$(obj)/font.c: $(FONTC)
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$(call cmd,shipped)
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2005-04-16 16:20:36 -06:00
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2012-02-10 19:07:07 -07:00
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$(obj)/hyp-stub.S: $(srctree)/arch/$(SRCARCH)/kernel/hyp-stub.S
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$(call cmd,shipped)
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