From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001
From: root <root@artemis.panaceas.org>
Date: Fri, 25 Dec 2015 04:40:36 +0000
Subject: initial_commit

---
 arch/arm/boot/compressed/Makefile | 152 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 152 insertions(+)
 create mode 100644 arch/arm/boot/compressed/Makefile

(limited to 'arch/arm/boot/compressed/Makefile')

diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
new file mode 100644
index 00000000..23aad072
--- /dev/null
+++ b/arch/arm/boot/compressed/Makefile
@@ -0,0 +1,152 @@
+#
+# linux/arch/arm/boot/compressed/Makefile
+#
+# create a compressed vmlinuz image from the original vmlinux
+#
+
+OBJS		=
+
+# Ensure that mmcif loader code appears early in the image
+# to minimise that number of bocks that have to be read in
+# order to load it.
+ifeq ($(CONFIG_ZBOOT_ROM_MMCIF),y)
+ifeq ($(CONFIG_ARCH_SH7372),y)
+OBJS		+= mmcif-sh7372.o
+endif
+endif
+
+AFLAGS_head.o += -DTEXT_OFFSET=$(TEXT_OFFSET)
+HEAD	= head.o
+OBJS	+= misc.o decompress.o
+FONTC	= $(srctree)/drivers/video/console/font_acorn_8x8.c
+
+#
+# Architecture dependencies
+#
+ifeq ($(CONFIG_ARCH_ACORN),y)
+OBJS		+= ll_char_wr.o font.o
+endif
+
+ifeq ($(CONFIG_ARCH_SHARK),y)
+OBJS		+= head-shark.o ofw-shark.o
+endif
+
+ifeq ($(CONFIG_ARCH_P720T),y)
+# Borrow this code from SA1100
+OBJS		+= head-sa1100.o
+endif
+
+ifeq ($(CONFIG_ARCH_SA1100),y)
+OBJS		+= head-sa1100.o
+endif
+
+ifeq ($(CONFIG_ARCH_VT8500),y)
+OBJS		+= head-vt8500.o
+endif
+
+ifeq ($(CONFIG_CPU_XSCALE),y)
+OBJS		+= head-xscale.o
+endif
+
+ifeq ($(CONFIG_PXA_SHARPSL_DETECT_MACH_ID),y)
+OBJS		+= head-sharpsl.o
+endif
+
+ifeq ($(CONFIG_CPU_ENDIAN_BE32),y)
+ifeq ($(CONFIG_CPU_CP15),y)
+OBJS		+= big-endian.o
+else
+# The endian should be set by h/w design.
+endif
+endif
+
+ifeq ($(CONFIG_ARCH_SHMOBILE),y)
+OBJS		+= head-shmobile.o
+endif
+
+#
+# We now have a PIC decompressor implementation.  Decompressors running
+# from RAM should not define ZTEXTADDR.  Decompressors running directly
+# from ROM or Flash must define ZTEXTADDR (preferably via the config)
+# FIXME: Previous assignment to ztextaddr-y is lost here. See SHARK
+ifeq ($(CONFIG_ZBOOT_ROM),y)
+ZTEXTADDR	:= $(CONFIG_ZBOOT_ROM_TEXT)
+ZBSSADDR	:= $(CONFIG_ZBOOT_ROM_BSS)
+else
+ZTEXTADDR	:= 0
+ZBSSADDR	:= ALIGN(8)
+endif
+
+SEDFLAGS	= s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/
+
+suffix_$(CONFIG_KERNEL_GZIP) = gzip
+suffix_$(CONFIG_KERNEL_LZO)  = lzo
+suffix_$(CONFIG_KERNEL_LZMA) = lzma
+
+targets       := vmlinux vmlinux.lds \
+		 piggy.$(suffix_y) piggy.$(suffix_y).o \
+		 font.o font.c head.o misc.o $(OBJS)
+
+# Make sure files are removed during clean
+extra-y       += piggy.gzip piggy.lzo piggy.lzma lib1funcs.S
+
+ifeq ($(CONFIG_FUNCTION_TRACER),y)
+ORIG_CFLAGS := $(KBUILD_CFLAGS)
+KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
+endif
+
+ccflags-y := -fpic -fno-builtin
+asflags-y := -Wa,-march=all
+
+# Supply ZRELADDR to the decompressor via a linker symbol.
+ifneq ($(CONFIG_AUTO_ZRELADDR),y)
+LDFLAGS_vmlinux += --defsym zreladdr=$(ZRELADDR)
+endif
+ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
+LDFLAGS_vmlinux += --be8
+endif
+# ?
+LDFLAGS_vmlinux += -p
+# Report unresolved symbol references
+LDFLAGS_vmlinux += --no-undefined
+# Delete all temporary local symbols
+LDFLAGS_vmlinux += -X
+# Next argument is a linker script
+LDFLAGS_vmlinux += -T
+
+# For __aeabi_uidivmod
+lib1funcs = $(obj)/lib1funcs.o
+
+$(obj)/lib1funcs.S: $(srctree)/arch/$(SRCARCH)/lib/lib1funcs.S FORCE
+	$(call cmd,shipped)
+
+# We need to prevent any GOTOFF relocs being used with references
+# to symbols in the .bss section since we cannot relocate them
+# independently from the rest at run time.  This can be achieved by
+# ensuring that no private .bss symbols exist, as global symbols
+# always have a GOT entry which is what we need.
+# The .data section is already discarded by the linker script so no need
+# to bother about it here.
+check_for_bad_syms = \
+bad_syms=$$($(CROSS_COMPILE)nm $@ | sed -n 's/^.\{8\} [bc] \(.*\)/\1/p') && \
+[ -z "$$bad_syms" ] || \
+  ( echo "following symbols must have non local/private scope:" >&2; \
+    echo "$$bad_syms" >&2; rm -f $@; false )
+
+$(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.$(suffix_y).o \
+	 	$(addprefix $(obj)/, $(OBJS)) $(lib1funcs) FORCE
+	$(call if_changed,ld)
+	@$(check_for_bad_syms)
+
+$(obj)/piggy.$(suffix_y): $(obj)/../Image FORCE
+	$(call if_changed,$(suffix_y))
+
+$(obj)/piggy.$(suffix_y).o:  $(obj)/piggy.$(suffix_y) FORCE
+
+CFLAGS_font.o := -Dstatic=
+
+$(obj)/font.c: $(FONTC)
+	$(call cmd,shipped)
+
+$(obj)/vmlinux.lds: $(obj)/vmlinux.lds.in arch/arm/boot/Makefile $(KCONFIG_CONFIG)
+	@sed "$(SEDFLAGS)" < $< > $@
-- 
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