boot/uboot/uboot.mk

   1 ################################################################################
   2 #
   3 # uboot
   4 #
   5 ################################################################################
   6
   7 UBOOT_VERSION = $(call qstrip,$(BR2_TARGET_UBOOT_VERSION))
   8 UBOOT_BOARD_NAME = $(call qstrip,$(BR2_TARGET_UBOOT_BOARDNAME))
   9
  10 UBOOT_LICENSE = GPL-2.0+
  11 UBOOT_LICENSE_FILES = Licenses/gpl-2.0.txt
  12
  13 UBOOT_INSTALL_IMAGES = YES
  14
  15 ifeq ($(UBOOT_VERSION),custom)
  16 # Handle custom U-Boot tarballs as specified by the configuration
  17 UBOOT_TARBALL = $(call qstrip,$(BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION))
  18 UBOOT_SITE = $(patsubst %/,%,$(dir $(UBOOT_TARBALL)))
  19 UBOOT_SOURCE = $(notdir $(UBOOT_TARBALL))
  20 else ifeq ($(BR2_TARGET_UBOOT_CUSTOM_GIT),y)
  21 UBOOT_SITE = $(call qstrip,$(BR2_TARGET_UBOOT_CUSTOM_REPO_URL))
  22 UBOOT_SITE_METHOD = git
  23 else ifeq ($(BR2_TARGET_UBOOT_CUSTOM_HG),y)
  24 UBOOT_SITE = $(call qstrip,$(BR2_TARGET_UBOOT_CUSTOM_REPO_URL))
  25 UBOOT_SITE_METHOD = hg
  26 else ifeq ($(BR2_TARGET_UBOOT_CUSTOM_SVN),y)
  27 UBOOT_SITE = $(call qstrip,$(BR2_TARGET_UBOOT_CUSTOM_REPO_URL))
  28 UBOOT_SITE_METHOD = svn
  29 else
  30 # Handle stable official U-Boot versions
  31 UBOOT_SITE = ftp://ftp.denx.de/pub/u-boot
  32 UBOOT_SOURCE = u-boot-$(UBOOT_VERSION).tar.bz2
  33 endif
  34
  35 ifeq ($(BR2_TARGET_UBOOT)$(BR2_TARGET_UBOOT_LATEST_VERSION),y)
  36 BR_NO_CHECK_HASH_FOR += $(UBOOT_SOURCE)
  37 endif
  38
  39 ifeq ($(BR2_TARGET_UBOOT_FORMAT_BIN),y)
  40 UBOOT_BINS += u-boot.bin
  41 endif
  42
  43 ifeq ($(BR2_TARGET_UBOOT_FORMAT_ELF),y)
  44 UBOOT_BINS += u-boot
  45 # To make elf usable for debuging on ARC use special target
  46 ifeq ($(BR2_arc),y)
  47 UBOOT_MAKE_TARGET += mdbtrick
  48 endif
  49 endif
  50
  51 # Call 'make all' unconditionally
  52 UBOOT_MAKE_TARGET += all
  53
  54 ifeq ($(BR2_TARGET_UBOOT_FORMAT_KWB),y)
  55 UBOOT_BINS += u-boot.kwb
  56 UBOOT_MAKE_TARGET += u-boot.kwb
  57 endif
  58
  59 ifeq ($(BR2_TARGET_UBOOT_FORMAT_AIS),y)
  60 UBOOT_BINS += u-boot.ais
  61 UBOOT_MAKE_TARGET += u-boot.ais
  62 endif
  63
  64 ifeq ($(BR2_TARGET_UBOOT_FORMAT_LDR),y)
  65 UBOOT_BINS += u-boot.ldr
  66 endif
  67
  68 ifeq ($(BR2_TARGET_UBOOT_FORMAT_NAND_BIN),y)
  69 UBOOT_BINS += u-boot-nand.bin
  70 endif
  71
  72 ifeq ($(BR2_TARGET_UBOOT_FORMAT_DTB_IMG),y)
  73 UBOOT_BINS += u-boot-dtb.img
  74 UBOOT_MAKE_TARGET += u-boot-dtb.img
  75 endif
  76
  77 ifeq ($(BR2_TARGET_UBOOT_FORMAT_DTB_BIN),y)
  78 UBOOT_BINS += u-boot-dtb.bin
  79 UBOOT_MAKE_TARGET += u-boot-dtb.bin
  80 endif
  81
  82 ifeq ($(BR2_TARGET_UBOOT_FORMAT_IMG),y)
  83 UBOOT_BINS += u-boot.img
  84 UBOOT_MAKE_TARGET += u-boot.img
  85 endif
  86
  87 ifeq ($(BR2_TARGET_UBOOT_FORMAT_IMX),y)
  88 UBOOT_BINS += u-boot.imx
  89 UBOOT_MAKE_TARGET += u-boot.imx
  90 endif
  91
  92 ifeq ($(BR2_TARGET_UBOOT_FORMAT_SB),y)
  93 UBOOT_BINS += u-boot.sb
  94 UBOOT_MAKE_TARGET += u-boot.sb
  95 # mxsimage needs OpenSSL
  96 UBOOT_DEPENDENCIES += host-elftosb host-openssl
  97 endif
  98
  99 ifeq ($(BR2_TARGET_UBOOT_FORMAT_SD),y)
 100 # BootStream (.sb) is generated by U-Boot, we convert it to SD format
 101 UBOOT_BINS += u-boot.sd
 102 UBOOT_MAKE_TARGET += u-boot.sb
 103 UBOOT_DEPENDENCIES += host-elftosb host-openssl
 104 endif
 105
 106 ifeq ($(BR2_TARGET_UBOOT_FORMAT_NAND),y)
 107 UBOOT_BINS += u-boot.nand
 108 UBOOT_MAKE_TARGET += u-boot.sb
 109 UBOOT_DEPENDENCIES += host-elftosb host-openssl
 110 endif
 111
 112 ifeq ($(BR2_TARGET_UBOOT_FORMAT_CUSTOM),y)
 113 UBOOT_BINS += $(call qstrip,$(BR2_TARGET_UBOOT_FORMAT_CUSTOM_NAME))
 114 endif
 115
 116 ifeq ($(BR2_TARGET_UBOOT_OMAP_IFT),y)
 117 UBOOT_BINS += u-boot.bin
 118 UBOOT_BIN_IFT = u-boot.bin.ift
 119 endif
 120
 121 # The kernel calls AArch64 'arm64', but U-Boot calls it just 'arm', so
 122 # we have to special case it. Similar for i386/x86_64 -> x86
 123 ifeq ($(KERNEL_ARCH),arm64)
 124 UBOOT_ARCH = arm
 125 else ifneq ($(filter $(KERNEL_ARCH),i386 x86_64),)
 126 UBOOT_ARCH = x86
 127 else
 128 UBOOT_ARCH = $(KERNEL_ARCH)
 129 endif
 130
 131 UBOOT_MAKE_OPTS += \
 132         CROSS_COMPILE="$(TARGET_CROSS)" \
 133         ARCH=$(UBOOT_ARCH) \
 134         HOSTCC="$(HOSTCC) $(HOST_CFLAGS)" \
 135         HOSTLDFLAGS="$(HOST_LDFLAGS)"
 136
 137 ifeq ($(BR2_TARGET_UBOOT_NEEDS_DTC),y)
 138 UBOOT_DEPENDENCIES += host-dtc
 139 endif
 140
 141 ifeq ($(BR2_TARGET_UBOOT_NEEDS_PYLIBFDT),y)
 142 UBOOT_DEPENDENCIES += host-python host-swig
 143 endif
 144
 145 ifeq ($(BR2_TARGET_UBOOT_NEEDS_OPENSSL),y)
 146 UBOOT_DEPENDENCIES += host-openssl
 147 endif
 148
 149 # prior to u-boot 2013.10 the license info was in COPYING. Copy it so
 150 # legal-info finds it
 151 define UBOOT_COPY_OLD_LICENSE_FILE
 152         if [ -f $(@D)/COPYING ]; then \
 153                 $(INSTALL) -m 0644 -D $(@D)/COPYING $(@D)/Licenses/gpl-2.0.txt; \
 154         fi
 155 endef
 156
 157 UBOOT_POST_EXTRACT_HOOKS += UBOOT_COPY_OLD_LICENSE_FILE
 158 UBOOT_POST_RSYNC_HOOKS += UBOOT_COPY_OLD_LICENSE_FILE
 159
 160 ifneq ($(ARCH_XTENSA_OVERLAY_FILE),)
 161 define UBOOT_XTENSA_OVERLAY_EXTRACT
 162         $(call arch-xtensa-overlay-extract,$(@D),u-boot)
 163 endef
 164 UBOOT_POST_EXTRACT_HOOKS += UBOOT_XTENSA_OVERLAY_EXTRACT
 165 UBOOT_EXTRA_DOWNLOADS += $(ARCH_XTENSA_OVERLAY_URL)
 166 endif
 167
 168 # Analogous code exists in linux/linux.mk. Basically, the generic
 169 # package infrastructure handles downloading and applying remote
 170 # patches. Local patches are handled depending on whether they are
 171 # directories or files.
 172 UBOOT_PATCHES = $(call qstrip,$(BR2_TARGET_UBOOT_PATCH))
 173 UBOOT_PATCH = $(filter ftp://% http://% https://%,$(UBOOT_PATCHES))
 174
 175 define UBOOT_APPLY_LOCAL_PATCHES
 176         for p in $(filter-out ftp://% http://% https://%,$(UBOOT_PATCHES)) ; do \
 177                 if test -d $$p ; then \
 178                         $(APPLY_PATCHES) $(@D) $$p \*.patch || exit 1 ; \
 179                 else \
 180                         $(APPLY_PATCHES) $(@D) `dirname $$p` `basename $$p` || exit 1; \
 181                 fi \
 182         done
 183 endef
 184 UBOOT_POST_PATCH_HOOKS += UBOOT_APPLY_LOCAL_PATCHES
 185
 186 ifeq ($(BR2_TARGET_UBOOT_BUILD_SYSTEM_LEGACY),y)
 187 define UBOOT_CONFIGURE_CMDS
 188         $(TARGET_CONFIGURE_OPTS)        \
 189                 $(MAKE) -C $(@D) $(UBOOT_MAKE_OPTS)             \
 190                 $(UBOOT_BOARD_NAME)_config
 191 endef
 192 else ifeq ($(BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG),y)
 193 ifeq ($(BR2_TARGET_UBOOT_USE_DEFCONFIG),y)
 194 UBOOT_KCONFIG_DEFCONFIG = $(call qstrip,$(BR2_TARGET_UBOOT_BOARD_DEFCONFIG))_defconfig
 195 else ifeq ($(BR2_TARGET_UBOOT_USE_CUSTOM_CONFIG),y)
 196 UBOOT_KCONFIG_FILE = $(call qstrip,$(BR2_TARGET_UBOOT_CUSTOM_CONFIG_FILE))
 197 endif # BR2_TARGET_UBOOT_USE_DEFCONFIG
 198
 199 UBOOT_KCONFIG_FRAGMENT_FILES = $(call qstrip,$(BR2_TARGET_UBOOT_CONFIG_FRAGMENT_FILES))
 200 UBOOT_KCONFIG_EDITORS = menuconfig xconfig gconfig nconfig
 201 UBOOT_KCONFIG_OPTS = $(UBOOT_MAKE_OPTS)
 202 define UBOOT_HELP_CMDS
 203         @echo '  uboot-menuconfig       - Run U-Boot menuconfig'
 204         @echo '  uboot-savedefconfig    - Run U-Boot savedefconfig'
 205         @echo '  uboot-update-defconfig - Save the U-Boot configuration to the path specified'
 206         @echo '                             by BR2_TARGET_UBOOT_CUSTOM_CONFIG_FILE'
 207 endef
 208 endif # BR2_TARGET_UBOOT_BUILD_SYSTEM_LEGACY
 209
 210 UBOOT_CUSTOM_DTS_PATH = $(call qstrip,$(BR2_TARGET_UBOOT_CUSTOM_DTS_PATH))
 211
 212 define UBOOT_BUILD_CMDS
 213         $(if $(UBOOT_CUSTOM_DTS_PATH),
 214                 cp -f $(UBOOT_CUSTOM_DTS_PATH) $(@D)/arch/$(UBOOT_ARCH)/dts/
 215         )
 216         $(TARGET_CONFIGURE_OPTS)        \
 217                 $(MAKE) -C $(@D) $(UBOOT_MAKE_OPTS)             \
 218                 $(UBOOT_MAKE_TARGET)
 219         $(if $(BR2_TARGET_UBOOT_FORMAT_SD),
 220                 $(@D)/tools/mxsboot sd $(@D)/u-boot.sb $(@D)/u-boot.sd)
 221         $(if $(BR2_TARGET_UBOOT_FORMAT_NAND),
 222                 $(@D)/tools/mxsboot \
 223                         -w $(BR2_TARGET_UBOOT_FORMAT_NAND_PAGE_SIZE)    \
 224                         -o $(BR2_TARGET_UBOOT_FORMAT_NAND_OOB_SIZE)     \
 225                         -e $(BR2_TARGET_UBOOT_FORMAT_NAND_ERASE_SIZE)   \
 226                         nand $(@D)/u-boot.sb $(@D)/u-boot.nand)
 227 endef
 228
 229 define UBOOT_BUILD_OMAP_IFT
 230         $(HOST_DIR)/bin/gpsign -f $(@D)/u-boot.bin \
 231                 -c $(call qstrip,$(BR2_TARGET_UBOOT_OMAP_IFT_CONFIG))
 232 endef
 233
 234 define UBOOT_INSTALL_IMAGES_CMDS
 235         $(foreach f,$(UBOOT_BINS), \
 236                         cp -dpf $(@D)/$(f) $(BINARIES_DIR)/
 237         )
 238         $(if $(BR2_TARGET_UBOOT_FORMAT_NAND),
 239                 cp -dpf $(@D)/u-boot.sb $(BINARIES_DIR))
 240         $(if $(BR2_TARGET_UBOOT_SPL),
 241                 $(foreach f,$(call qstrip,$(BR2_TARGET_UBOOT_SPL_NAME)), \
 242                         cp -dpf $(@D)/$(f) $(BINARIES_DIR)/
 243                 )
 244         )
 245         $(if $(BR2_TARGET_UBOOT_ENVIMAGE),
 246                 cat $(call qstrip,$(BR2_TARGET_UBOOT_ENVIMAGE_SOURCE)) | \
 247                         $(HOST_DIR)/bin/mkenvimage -s $(BR2_TARGET_UBOOT_ENVIMAGE_SIZE) \
 248                         $(if $(BR2_TARGET_UBOOT_ENVIMAGE_REDUNDANT),-r) \
 249                         $(if $(filter BIG,$(BR2_ENDIAN)),-b) \
 250                         -o $(BINARIES_DIR)/uboot-env.bin -)
 251         $(if $(BR2_TARGET_UBOOT_BOOT_SCRIPT),
 252                 $(HOST_DIR)/bin/mkimage -C none -A $(MKIMAGE_ARCH) -T script \
 253                         -d $(call qstrip,$(BR2_TARGET_UBOOT_BOOT_SCRIPT_SOURCE)) \
 254                         $(BINARIES_DIR)/boot.scr)
 255 endef
 256
 257 define UBOOT_INSTALL_OMAP_IFT_IMAGE
 258         cp -dpf $(@D)/$(UBOOT_BIN_IFT) $(BINARIES_DIR)/
 259 endef
 260
 261 ifeq ($(BR2_TARGET_UBOOT_OMAP_IFT),y)
 262 ifeq ($(BR_BUILDING),y)
 263 ifeq ($(call qstrip,$(BR2_TARGET_UBOOT_OMAP_IFT_CONFIG)),)
 264 $(error No gpsign config file. Check your BR2_TARGET_UBOOT_OMAP_IFT_CONFIG setting)
 265 endif
 266 ifeq ($(wildcard $(call qstrip,$(BR2_TARGET_UBOOT_OMAP_IFT_CONFIG))),)
 267 $(error gpsign config file $(BR2_TARGET_UBOOT_OMAP_IFT_CONFIG) not found. Check your BR2_TARGET_UBOOT_OMAP_IFT_CONFIG setting)
 268 endif
 269 endif
 270 UBOOT_DEPENDENCIES += host-omap-u-boot-utils
 271 UBOOT_POST_BUILD_HOOKS += UBOOT_BUILD_OMAP_IFT
 272 UBOOT_POST_INSTALL_IMAGES_HOOKS += UBOOT_INSTALL_OMAP_IFT_IMAGE
 273 endif
 274
 275 ifeq ($(BR2_TARGET_UBOOT_ZYNQ_IMAGE),y)
 276 define UBOOT_GENERATE_ZYNQ_IMAGE
 277         $(HOST_DIR)/bin/python2 \
 278                 $(HOST_DIR)/bin/zynq-boot-bin.py \
 279                 -u $(@D)/$(firstword $(call qstrip,$(BR2_TARGET_UBOOT_SPL_NAME))) \
 280                 -o $(BINARIES_DIR)/BOOT.BIN
 281 endef
 282 UBOOT_DEPENDENCIES += host-zynq-boot-bin
 283 UBOOT_POST_INSTALL_IMAGES_HOOKS += UBOOT_GENERATE_ZYNQ_IMAGE
 284 endif
 285
 286 ifeq ($(BR2_TARGET_UBOOT_ALTERA_SOCFPGA_IMAGE_CRC),y)
 287 ifeq ($(BR2_TARGET_UBOOT_SPL),y)
 288 UBOOT_CRC_ALTERA_SOCFPGA_INPUT_IMAGES = $(call qstrip,$(BR2_TARGET_UBOOT_SPL_NAME))
 289 UBOOT_CRC_ALTERA_SOCFPGA_HEADER_VERSION = 0
 290 else
 291 UBOOT_CRC_ALTERA_SOCFPGA_INPUT_IMAGES = u-boot-dtb.bin
 292 UBOOT_CRC_ALTERA_SOCFPGA_HEADER_VERSION = 1
 293 endif
 294 define UBOOT_CRC_ALTERA_SOCFPGA_IMAGE
 295         $(foreach f,$(UBOOT_CRC_ALTERA_SOCFPGA_INPUT_IMAGES), \
 296                 $(HOST_DIR)/bin/mkpimage \
 297                         -v $(UBOOT_CRC_ALTERA_SOCFPGA_HEADER_VERSION) \
 298                         -o $(BINARIES_DIR)/$(notdir $(call qstrip,$(f))).crc \
 299                         $(@D)/$(call qstrip,$(f))
 300         )
 301 endef
 302 UBOOT_DEPENDENCIES += host-mkpimage
 303 UBOOT_POST_INSTALL_IMAGES_HOOKS += UBOOT_CRC_ALTERA_SOCFPGA_IMAGE
 304 endif
 305
 306 ifeq ($(BR2_TARGET_UBOOT_ENVIMAGE),y)
 307 ifeq ($(BR_BUILDING),y)
 308 ifeq ($(call qstrip,$(BR2_TARGET_UBOOT_ENVIMAGE_SOURCE)),)
 309 $(error Please define a source file for Uboot environment (BR2_TARGET_UBOOT_ENVIMAGE_SOURCE setting))
 310 endif
 311 ifeq ($(call qstrip,$(BR2_TARGET_UBOOT_ENVIMAGE_SIZE)),)
 312 $(error Please provide Uboot environment size (BR2_TARGET_UBOOT_ENVIMAGE_SIZE setting))
 313 endif
 314 endif
 315 UBOOT_DEPENDENCIES += host-uboot-tools
 316 endif
 317
 318 ifeq ($(BR2_TARGET_UBOOT_BOOT_SCRIPT),y)
 319 ifeq ($(BR_BUILDING),y)
 320 ifeq ($(call qstrip,$(BR2_TARGET_UBOOT_BOOT_SCRIPT_SOURCE)),)
 321 $(error Please define a source file for Uboot boot script (BR2_TARGET_UBOOT_BOOT_SCRIPT_SOURCE setting))
 322 endif
 323 endif
 324 UBOOT_DEPENDENCIES += host-uboot-tools
 325 endif
 326
 327 ifeq ($(BR2_TARGET_UBOOT)$(BR_BUILDING),yy)
 328
 329 #
 330 # Check U-Boot board name (for legacy) or the defconfig/custom config
 331 # file options (for kconfig)
 332 #
 333 ifeq ($(BR2_TARGET_UBOOT_BUILD_SYSTEM_LEGACY),y)
 334 ifeq ($(UBOOT_BOARD_NAME),)
 335 $(error No U-Boot board name set. Check your BR2_TARGET_UBOOT_BOARDNAME setting)
 336 endif # UBOOT_BOARD_NAME
 337 else ifeq ($(BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG),y)
 338 ifeq ($(BR2_TARGET_UBOOT_USE_DEFCONFIG),y)
 339 ifeq ($(call qstrip,$(BR2_TARGET_UBOOT_BOARD_DEFCONFIG)),)
 340 $(error No board defconfig name specified, check your BR2_TARGET_UBOOT_BOARD_DEFCONFIG setting)
 341 endif # qstrip BR2_TARGET_UBOOT_BOARD_DEFCONFIG
 342 endif # BR2_TARGET_UBOOT_USE_DEFCONFIG
 343 ifeq ($(BR2_TARGET_UBOOT_USE_CUSTOM_CONFIG),y)
 344 ifeq ($(call qstrip,$(BR2_TARGET_UBOOT_CUSTOM_CONFIG_FILE)),)
 345 $(error No board configuration file specified, check your BR2_TARGET_UBOOT_CUSTOM_CONFIG_FILE setting)
 346 endif # qstrip BR2_TARGET_UBOOT_CUSTOM_CONFIG_FILE
 347 endif # BR2_TARGET_UBOOT_USE_CUSTOM_CONFIG
 348 endif # BR2_TARGET_UBOOT_BUILD_SYSTEM_LEGACY
 349
 350 #
 351 # Check custom version option
 352 #
 353 ifeq ($(BR2_TARGET_UBOOT_CUSTOM_VERSION),y)
 354 ifeq ($(call qstrip,$(BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE)),)
 355 $(error No custom U-Boot version specified. Check your BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE setting)
 356 endif # qstrip BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE
 357 endif # BR2_TARGET_UBOOT_CUSTOM_VERSION
 358
 359 #
 360 # Check custom tarball option
 361 #
 362 ifeq ($(BR2_TARGET_UBOOT_CUSTOM_TARBALL),y)
 363 ifeq ($(call qstrip,$(BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION)),)
 364 $(error No custom U-Boot tarball specified. Check your BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION setting)
 365 endif # qstrip BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION
 366 endif # BR2_TARGET_UBOOT_CUSTOM_TARBALL
 367
 368 #
 369 # Check Git/Mercurial repo options
 370 #
 371 ifeq ($(BR2_TARGET_UBOOT_CUSTOM_GIT)$(BR2_TARGET_UBOOT_CUSTOM_HG),y)
 372 ifeq ($(call qstrip,$(BR2_TARGET_UBOOT_CUSTOM_REPO_URL)),)
 373 $(error No custom U-Boot repository URL specified. Check your BR2_TARGET_UBOOT_CUSTOM_REPO_URL setting)
 374 endif # qstrip BR2_TARGET_UBOOT_CUSTOM_CUSTOM_REPO_URL
 375 ifeq ($(call qstrip,$(BR2_TARGET_UBOOT_CUSTOM_REPO_VERSION)),)
 376 $(error No custom U-Boot repository URL specified. Check your BR2_TARGET_UBOOT_CUSTOM_REPO_VERSION setting)
 377 endif # qstrip BR2_TARGET_UBOOT_CUSTOM_CUSTOM_REPO_VERSION
 378 endif # BR2_TARGET_UBOOT_CUSTOM_GIT || BR2_TARGET_UBOOT_CUSTOM_HG
 379
 380 endif # BR2_TARGET_UBOOT && BR_BUILDING
 381
 382 ifeq ($(BR2_TARGET_UBOOT_BUILD_SYSTEM_LEGACY),y)
 383 $(eval $(generic-package))
 384 else ifeq ($(BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG),y)
 385 $(eval $(kconfig-package))
 386 endif # BR2_TARGET_UBOOT_BUILD_SYSTEM_LEGACY