Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | # |
| 2 | # linux/arch/arm/boot/compressed/Makefile |
| 3 | # |
| 4 | # create a compressed vmlinuz image from the original vmlinux |
| 5 | # |
| 6 | |
Simon Horman | f45b114 | 2011-01-11 04:01:08 +0100 | [diff] [blame] | 7 | OBJS = |
| 8 | |
Simon Horman | 090ab3f | 2011-04-26 06:29:53 +0100 | [diff] [blame] | 9 | # Ensure that MMCIF loader code appears early in the image |
Simon Horman | f45b114 | 2011-01-11 04:01:08 +0100 | [diff] [blame] | 10 | # to minimise that number of bocks that have to be read in |
| 11 | # order to load it. |
| 12 | ifeq ($(CONFIG_ZBOOT_ROM_MMCIF),y) |
Simon Horman | f45b114 | 2011-01-11 04:01:08 +0100 | [diff] [blame] | 13 | OBJS += mmcif-sh7372.o |
| 14 | endif |
Simon Horman | 090ab3f | 2011-04-26 06:29:53 +0100 | [diff] [blame] | 15 | |
| 16 | # Ensure that SDHI loader code appears early in the image |
| 17 | # to minimise that number of bocks that have to be read in |
| 18 | # order to load it. |
| 19 | ifeq ($(CONFIG_ZBOOT_ROM_SH_MOBILE_SDHI),y) |
| 20 | OBJS += sdhi-shmobile.o |
| 21 | OBJS += sdhi-sh7372.o |
Simon Horman | f45b114 | 2011-01-11 04:01:08 +0100 | [diff] [blame] | 22 | endif |
| 23 | |
Eric Miao | e69edc79 | 2010-07-05 15:56:50 +0200 | [diff] [blame] | 24 | AFLAGS_head.o += -DTEXT_OFFSET=$(TEXT_OFFSET) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | HEAD = head.o |
Simon Horman | f45b114 | 2011-01-11 04:01:08 +0100 | [diff] [blame] | 26 | OBJS += misc.o decompress.o |
Shawn Guo | 3b4af9b | 2013-03-14 08:48:06 +0100 | [diff] [blame] | 27 | ifeq ($(CONFIG_DEBUG_UNCOMPRESS),y) |
| 28 | OBJS += debug.o |
| 29 | endif |
Geert Uytterhoeven | ee89bd6 | 2013-06-09 11:46:43 +0200 | [diff] [blame^] | 30 | FONTC = $(srctree)/lib/fonts/font_acorn_8x8.c |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | |
Nicolas Pitre | df4879f | 2011-09-13 21:42:55 -0400 | [diff] [blame] | 32 | # string library code (-Os is enforced to keep it much smaller) |
| 33 | OBJS += string.o |
| 34 | CFLAGS_string.o := -Os |
| 35 | |
Dave Martin | 424e599 | 2012-02-10 18:07:07 -0800 | [diff] [blame] | 36 | ifeq ($(CONFIG_ARM_VIRT_EXT),y) |
| 37 | OBJS += hyp-stub.o |
| 38 | endif |
| 39 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | # |
| 41 | # Architecture dependencies |
| 42 | # |
| 43 | ifeq ($(CONFIG_ARCH_ACORN),y) |
Russell King | 4486b86 | 2007-06-03 18:54:42 +0100 | [diff] [blame] | 44 | OBJS += ll_char_wr.o font.o |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | endif |
| 46 | |
| 47 | ifeq ($(CONFIG_ARCH_SHARK),y) |
| 48 | OBJS += head-shark.o ofw-shark.o |
| 49 | endif |
| 50 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 51 | ifeq ($(CONFIG_ARCH_SA1100),y) |
| 52 | OBJS += head-sa1100.o |
| 53 | endif |
| 54 | |
| 55 | ifeq ($(CONFIG_CPU_XSCALE),y) |
| 56 | OBJS += head-xscale.o |
| 57 | endif |
| 58 | |
Eric Miao | 9c3fca2 | 2010-06-23 09:27:32 +0800 | [diff] [blame] | 59 | ifeq ($(CONFIG_PXA_SHARPSL_DETECT_MACH_ID),y) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 60 | OBJS += head-sharpsl.o |
| 61 | endif |
| 62 | |
Catalin Marinas | 2658485 | 2009-05-30 14:00:18 +0100 | [diff] [blame] | 63 | ifeq ($(CONFIG_CPU_ENDIAN_BE32),y) |
Hyok S. Choi | f12d0d7 | 2006-09-26 17:36:37 +0900 | [diff] [blame] | 64 | ifeq ($(CONFIG_CPU_CP15),y) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | OBJS += big-endian.o |
Hyok S. Choi | f12d0d7 | 2006-09-26 17:36:37 +0900 | [diff] [blame] | 66 | else |
| 67 | # The endian should be set by h/w design. |
| 68 | endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | endif |
| 70 | |
Kuninori Morimoto | 9a4af11 | 2010-12-01 07:45:00 +0100 | [diff] [blame] | 71 | ifeq ($(CONFIG_ARCH_SHMOBILE),y) |
| 72 | OBJS += head-shmobile.o |
| 73 | endif |
| 74 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | # |
| 76 | # We now have a PIC decompressor implementation. Decompressors running |
| 77 | # from RAM should not define ZTEXTADDR. Decompressors running directly |
| 78 | # from ROM or Flash must define ZTEXTADDR (preferably via the config) |
| 79 | # FIXME: Previous assignment to ztextaddr-y is lost here. See SHARK |
| 80 | ifeq ($(CONFIG_ZBOOT_ROM),y) |
| 81 | ZTEXTADDR := $(CONFIG_ZBOOT_ROM_TEXT) |
| 82 | ZBSSADDR := $(CONFIG_ZBOOT_ROM_BSS) |
| 83 | else |
| 84 | ZTEXTADDR := 0 |
Nicolas Pitre | 3bd2cbb | 2011-04-21 21:45:08 -0400 | [diff] [blame] | 85 | ZBSSADDR := ALIGN(8) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 86 | endif |
| 87 | |
| 88 | SEDFLAGS = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/ |
| 89 | |
Albin Tonnerre | e7db7b4 | 2010-01-08 14:42:43 -0800 | [diff] [blame] | 90 | suffix_$(CONFIG_KERNEL_GZIP) = gzip |
| 91 | suffix_$(CONFIG_KERNEL_LZO) = lzo |
Albin Tonnerre | 6e8699f | 2010-04-03 11:40:28 +0100 | [diff] [blame] | 92 | suffix_$(CONFIG_KERNEL_LZMA) = lzma |
Imre Kaloz | a7f464f | 2012-01-26 13:08:57 +0100 | [diff] [blame] | 93 | suffix_$(CONFIG_KERNEL_XZ) = xzkern |
Albin Tonnerre | e7db7b4 | 2010-01-08 14:42:43 -0800 | [diff] [blame] | 94 | |
Nicolas Pitre | b90b9a3 | 2011-09-13 22:37:07 -0400 | [diff] [blame] | 95 | # Borrowed libfdt files for the ATAG compatibility mode |
| 96 | |
| 97 | libfdt := fdt_rw.c fdt_ro.c fdt_wip.c fdt.c |
| 98 | libfdt_hdrs := fdt.h libfdt.h libfdt_internal.h |
| 99 | |
| 100 | libfdt_objs := $(addsuffix .o, $(basename $(libfdt))) |
| 101 | |
| 102 | $(addprefix $(obj)/,$(libfdt) $(libfdt_hdrs)): $(obj)/%: $(srctree)/scripts/dtc/libfdt/% |
| 103 | $(call cmd,shipped) |
| 104 | |
| 105 | $(addprefix $(obj)/,$(libfdt_objs) atags_to_fdt.o): \ |
| 106 | $(addprefix $(obj)/,$(libfdt_hdrs)) |
| 107 | |
| 108 | ifeq ($(CONFIG_ARM_ATAG_DTB_COMPAT),y) |
| 109 | OBJS += $(libfdt_objs) atags_to_fdt.o |
| 110 | endif |
| 111 | |
Albin Tonnerre | e7db7b4 | 2010-01-08 14:42:43 -0800 | [diff] [blame] | 112 | targets := vmlinux vmlinux.lds \ |
| 113 | piggy.$(suffix_y) piggy.$(suffix_y).o \ |
Imre Kaloz | a7f464f | 2012-01-26 13:08:57 +0100 | [diff] [blame] | 114 | lib1funcs.o lib1funcs.S ashldi3.o ashldi3.S \ |
| 115 | font.o font.c head.o misc.o $(OBJS) |
Abhishek Sagar | 014c257 | 2008-05-31 14:23:50 +0530 | [diff] [blame] | 116 | |
Magnus Damm | f1b957d | 2010-07-28 05:46:21 +0100 | [diff] [blame] | 117 | # Make sure files are removed during clean |
Imre Kaloz | a7f464f | 2012-01-26 13:08:57 +0100 | [diff] [blame] | 118 | extra-y += piggy.gzip piggy.lzo piggy.lzma piggy.xzkern \ |
| 119 | lib1funcs.S ashldi3.S $(libfdt) $(libfdt_hdrs) |
Magnus Damm | f1b957d | 2010-07-28 05:46:21 +0100 | [diff] [blame] | 120 | |
Steven Rostedt | 606576c | 2008-10-06 19:06:12 -0400 | [diff] [blame] | 121 | ifeq ($(CONFIG_FUNCTION_TRACER),y) |
Abhishek Sagar | 014c257 | 2008-05-31 14:23:50 +0530 | [diff] [blame] | 122 | ORIG_CFLAGS := $(KBUILD_CFLAGS) |
| 123 | KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS)) |
| 124 | endif |
| 125 | |
Jonathan Austin | b8083f8 | 2013-03-04 15:17:36 +0100 | [diff] [blame] | 126 | ccflags-y := -fpic -mno-single-pic-base -fno-builtin -I$(obj) |
Dave Martin | 424e599 | 2012-02-10 18:07:07 -0800 | [diff] [blame] | 127 | asflags-y := -Wa,-march=all -DZIMAGE |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 128 | |
Nicolas Pitre | 5ffb04f | 2011-06-12 01:07:33 -0400 | [diff] [blame] | 129 | # Supply kernel BSS size to the decompressor via a linker symbol. |
Janusz Krzysztofik | 1ec332a | 2011-12-01 22:45:47 +0100 | [diff] [blame] | 130 | KBSS_SZ = $(shell $(CROSS_COMPILE)size $(obj)/../../../../vmlinux | \ |
| 131 | awk 'END{print $$3}') |
Nicolas Pitre | 5ffb04f | 2011-06-12 01:07:33 -0400 | [diff] [blame] | 132 | LDFLAGS_vmlinux = --defsym _kernel_bss_size=$(KBSS_SZ) |
Russell King | 9e84ed6 | 2010-09-09 22:39:41 +0100 | [diff] [blame] | 133 | # Supply ZRELADDR to the decompressor via a linker symbol. |
| 134 | ifneq ($(CONFIG_AUTO_ZRELADDR),y) |
Nicolas Pitre | d239b1d | 2011-02-21 04:57:38 +0100 | [diff] [blame] | 135 | LDFLAGS_vmlinux += --defsym zreladdr=$(ZRELADDR) |
Russell King | 9e84ed6 | 2010-09-09 22:39:41 +0100 | [diff] [blame] | 136 | endif |
Catalin Marinas | 2658485 | 2009-05-30 14:00:18 +0100 | [diff] [blame] | 137 | ifeq ($(CONFIG_CPU_ENDIAN_BE8),y) |
| 138 | LDFLAGS_vmlinux += --be8 |
| 139 | endif |
Albin Tonnerre | e7db7b4 | 2010-01-08 14:42:43 -0800 | [diff] [blame] | 140 | # ? |
| 141 | LDFLAGS_vmlinux += -p |
| 142 | # Report unresolved symbol references |
| 143 | LDFLAGS_vmlinux += --no-undefined |
| 144 | # Delete all temporary local symbols |
| 145 | LDFLAGS_vmlinux += -X |
| 146 | # Next argument is a linker script |
| 147 | LDFLAGS_vmlinux += -T |
| 148 | |
| 149 | # For __aeabi_uidivmod |
| 150 | lib1funcs = $(obj)/lib1funcs.o |
| 151 | |
Nicolas Pitre | 63d1514 | 2011-09-14 00:16:21 -0400 | [diff] [blame] | 152 | $(obj)/lib1funcs.S: $(srctree)/arch/$(SRCARCH)/lib/lib1funcs.S |
Albin Tonnerre | e7db7b4 | 2010-01-08 14:42:43 -0800 | [diff] [blame] | 153 | $(call cmd,shipped) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 154 | |
Imre Kaloz | a7f464f | 2012-01-26 13:08:57 +0100 | [diff] [blame] | 155 | # For __aeabi_llsl |
| 156 | ashldi3 = $(obj)/ashldi3.o |
| 157 | |
| 158 | $(obj)/ashldi3.S: $(srctree)/arch/$(SRCARCH)/lib/ashldi3.S |
| 159 | $(call cmd,shipped) |
| 160 | |
Nicolas Pitre | 8d7e4cc | 2011-04-27 14:54:39 -0400 | [diff] [blame] | 161 | # We need to prevent any GOTOFF relocs being used with references |
| 162 | # to symbols in the .bss section since we cannot relocate them |
| 163 | # independently from the rest at run time. This can be achieved by |
| 164 | # ensuring that no private .bss symbols exist, as global symbols |
| 165 | # always have a GOT entry which is what we need. |
| 166 | # The .data section is already discarded by the linker script so no need |
| 167 | # to bother about it here. |
| 168 | check_for_bad_syms = \ |
| 169 | bad_syms=$$($(CROSS_COMPILE)nm $@ | sed -n 's/^.\{8\} [bc] \(.*\)/\1/p') && \ |
| 170 | [ -z "$$bad_syms" ] || \ |
| 171 | ( echo "following symbols must have non local/private scope:" >&2; \ |
| 172 | echo "$$bad_syms" >&2; rm -f $@; false ) |
| 173 | |
Sascha Hauer | 60aac93 | 2011-08-17 14:22:11 +0100 | [diff] [blame] | 174 | check_for_multiple_zreladdr = \ |
Rabin Vincent | 4bdad98 | 2011-10-04 14:33:34 +0100 | [diff] [blame] | 175 | if [ $(words $(ZRELADDR)) -gt 1 -a "$(CONFIG_AUTO_ZRELADDR)" = "" ]; then \ |
Sascha Hauer | 60aac93 | 2011-08-17 14:22:11 +0100 | [diff] [blame] | 176 | echo 'multiple zreladdrs: $(ZRELADDR)'; \ |
| 177 | echo 'This needs CONFIG_AUTO_ZRELADDR to be set'; \ |
| 178 | false; \ |
| 179 | fi |
| 180 | |
Albin Tonnerre | e7db7b4 | 2010-01-08 14:42:43 -0800 | [diff] [blame] | 181 | $(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.$(suffix_y).o \ |
Imre Kaloz | a7f464f | 2012-01-26 13:08:57 +0100 | [diff] [blame] | 182 | $(addprefix $(obj)/, $(OBJS)) $(lib1funcs) $(ashldi3) FORCE |
Sascha Hauer | 60aac93 | 2011-08-17 14:22:11 +0100 | [diff] [blame] | 183 | @$(check_for_multiple_zreladdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 184 | $(call if_changed,ld) |
Nicolas Pitre | 8d7e4cc | 2011-04-27 14:54:39 -0400 | [diff] [blame] | 185 | @$(check_for_bad_syms) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 186 | |
Albin Tonnerre | e7db7b4 | 2010-01-08 14:42:43 -0800 | [diff] [blame] | 187 | $(obj)/piggy.$(suffix_y): $(obj)/../Image FORCE |
| 188 | $(call if_changed,$(suffix_y)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 189 | |
Albin Tonnerre | e7db7b4 | 2010-01-08 14:42:43 -0800 | [diff] [blame] | 190 | $(obj)/piggy.$(suffix_y).o: $(obj)/piggy.$(suffix_y) FORCE |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 191 | |
Russell King | 4486b86 | 2007-06-03 18:54:42 +0100 | [diff] [blame] | 192 | CFLAGS_font.o := -Dstatic= |
| 193 | |
| 194 | $(obj)/font.c: $(FONTC) |
| 195 | $(call cmd,shipped) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 196 | |
Russell King | d93c333 | 2010-09-19 16:16:58 +0100 | [diff] [blame] | 197 | $(obj)/vmlinux.lds: $(obj)/vmlinux.lds.in arch/arm/boot/Makefile $(KCONFIG_CONFIG) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 198 | @sed "$(SEDFLAGS)" < $< > $@ |
Dave Martin | 424e599 | 2012-02-10 18:07:07 -0800 | [diff] [blame] | 199 | |
| 200 | $(obj)/hyp-stub.S: $(srctree)/arch/$(SRCARCH)/kernel/hyp-stub.S |
| 201 | $(call cmd,shipped) |