1CFG_LTC_OPTEE_THREAD ?= y 2 3ifeq ($(CFG_ARM64_core),y) 4CFG_KERN_LINKER_FORMAT ?= elf64-littleaarch64 5CFG_KERN_LINKER_ARCH ?= aarch64 6endif 7ifeq ($(CFG_ARM32_core),y) 8CFG_KERN_LINKER_FORMAT ?= elf32-littlearm 9CFG_KERN_LINKER_ARCH ?= arm 10endif 11 12ifeq ($(CFG_TA_FLOAT_SUPPORT),y) 13# Use hard-float for floating point support in user TAs instead of 14# soft-float 15CFG_WITH_VFP ?= y 16ifeq ($(CFG_ARM64_core),y) 17# AArch64 has no fallback to soft-float 18$(call force,CFG_WITH_VFP,y) 19endif 20ifeq ($(CFG_WITH_VFP),y) 21platform-hard-float-enabled := y 22endif 23endif 24 25 26core-platform-cppflags += -I$(arch-dir)/include 27core-platform-subdirs += \ 28 $(addprefix $(arch-dir)/, kernel mm tee sta) $(platform-dir) 29 30ifneq ($(CFG_WITH_ARM_TRUSTED_FW),y) 31core-platform-subdirs += $(arch-dir)/sm 32endif 33 34arm64-platform-cppflags += -DARM64=1 -D__LP64__=1 35arm32-platform-cppflags += -DARM32=1 -D__ILP32__=1 36 37platform-cflags-generic ?= -g -ffunction-sections -fdata-sections -pipe 38platform-aflags-generic ?= -g -pipe 39 40arm32-platform-cflags-no-hard-float ?= -mno-apcs-float -mfloat-abi=soft 41arm32-platform-cflags-hard-float ?= -mfloat-abi=hard -funsafe-math-optimizations 42arm32-platform-cflags-generic ?= -mthumb -mthumb-interwork -mlong-calls \ 43 -fno-short-enums -fno-common -mno-unaligned-access 44arm32-platform-aflags-no-hard-float ?= 45 46arm64-platform-cflags-no-hard-float ?= -mgeneral-regs-only 47arm64-platform-cflags-hard-float ?= 48arm64-platform-cflags-generic ?= -mstrict-align 49 50ifeq ($(DEBUG),1) 51platform-cflags-optimization ?= -O0 52else 53platform-cflags-optimization ?= -Os 54endif 55 56platform-cflags-debug-info ?= -g3 57platform-aflags-debug-info ?= 58 59core-platform-cflags += $(platform-cflags-optimization) 60core-platform-cflags += $(platform-cflags-generic) 61core-platform-cflags += $(platform-cflags-debug-info) 62 63core-platform-aflags += $(platform-aflags-generic) 64core-platform-aflags += $(platform-aflags-debug-info) 65 66ifeq ($(CFG_ARM64_core),y) 67CROSS_COMPILE_core ?= $(CROSS_COMPILE64) 68core-platform-cppflags += $(arm64-platform-cppflags) 69core-platform-cflags += $(arm64-platform-cflags) 70core-platform-cflags += $(arm64-platform-cflags-generic) 71core-platform-cflags += $(arm64-platform-cflags-no-hard-float) 72core-platform-aflags += $(arm64-platform-aflags) 73else 74CROSS_COMPILE_core ?= $(CROSS_COMPILE32) 75core-platform-cppflags += $(arm32-platform-cppflags) 76core-platform-cflags += $(arm32-platform-cflags) 77core-platform-cflags += $(arm32-platform-cflags-no-hard-float) 78core-platform-cflags += $(arm32-platform-cflags-generic) 79core-platform-aflags += $(core_arm32-platform-aflags) 80core-platform-aflags += $(arm32-platform-aflags) 81endif 82 83ifneq ($(filter ta_arm32,$(ta-targets)),) 84# Variables for ta-target/sm "ta_arm32" 85CFG_ARM32_ta_arm32 := y 86CROSS_COMPILE_ta_arm32 ?= $(CROSS_COMPILE32) 87ta_arm32-platform-cppflags += $(arm32-platform-cppflags) 88ta_arm32-platform-cflags += $(arm32-platform-cflags) 89ta_arm32-platform-cflags += $(platform-cflags-optimization) 90ta_arm32-platform-cflags += $(platform-cflags-debug-info) 91ta_arm32-platform-cflags += -fpie 92ta_arm32-platform-cflags += $(arm32-platform-cflags-generic) 93ifeq ($(platform-hard-float-enabled),y) 94ta_arm32-platform-cflags += $(arm32-platform-cflags-hard-float) 95else 96ta_arm32-platform-cflags += $(arm32-platform-cflags-no-hard-float) 97endif 98ta_arm32-platform-aflags += $(platform-aflags-debug-info) 99ta_arm32-platform-aflags += $(arm32-platform-aflags) 100 101ta-mk-file-export-vars-ta_arm32 += CFG_ARM32_ta_arm32 102ta-mk-file-export-vars-ta_arm32 += ta_arm32-platform-cppflags 103ta-mk-file-export-vars-ta_arm32 += ta_arm32-platform-cflags 104ta-mk-file-export-vars-ta_arm32 += ta_arm32-platform-aflags 105 106ta-mk-file-export-add-ta_arm32 += CROSS_COMPILE32 ?= $$(CROSS_COMPILE)_nl_ 107ta-mk-file-export-add-ta_arm32 += CROSS_COMPILE_ta_arm32 ?= $$(CROSS_COMPILE32)_nl_ 108endif 109 110ifneq ($(filter ta_arm64,$(ta-targets)),) 111# Variables for ta-target/sm "ta_arm64" 112CFG_ARM64_ta_arm64 := y 113CROSS_COMPILE_ta_arm64 ?= $(CROSS_COMPILE64) 114ta_arm64-platform-cppflags += $(arm64-platform-cppflags) 115ta_arm64-platform-cflags += $(arm64-platform-cflags) 116ta_arm64-platform-cflags += $(platform-cflags-optimization) 117ta_arm64-platform-cflags += $(platform-cflags-debug-info) 118ta_arm64-platform-cflags += -fpie 119ta_arm64-platform-cflags += $(arm64-platform-cflags-generic) 120ifeq ($(platform-hard-float-enabled),y) 121ta_arm64-platform-cflags += $(arm64-platform-cflags-hard-float) 122else 123ta_arm64-platform-cflags += $(arm64-platform-cflags-no-hard-float) 124endif 125ta_arm64-platform-aflags += $(platform-aflags-debug-info) 126ta_arm64-platform-aflags += $(arm64-platform-aflags) 127 128ta-mk-file-export-vars-ta_arm64 += CFG_ARM64_ta_arm64 129ta-mk-file-export-vars-ta_arm64 += ta_arm64-platform-cppflags 130ta-mk-file-export-vars-ta_arm64 += ta_arm64-platform-cflags 131ta-mk-file-export-vars-ta_arm64 += ta_arm64-platform-aflags 132 133ta-mk-file-export-add-ta_arm64 += CROSS_COMPILE64 ?= $$(CROSS_COMPILE)_nl_ 134ta-mk-file-export-add-ta_arm64 += CROSS_COMPILE_ta_arm64 ?= $$(CROSS_COMPILE64)_nl_ 135endif 136