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) 67core-platform-cppflags += $(arm64-platform-cppflags) 68core-platform-cflags += $(arm64-platform-cflags) 69core-platform-cflags += $(arm64-platform-cflags-generic) 70core-platform-cflags += $(arm64-platform-cflags-no-hard-float) 71core-platform-aflags += $(arm64-platform-aflags) 72else 73core-platform-cppflags += $(arm32-platform-cppflags) 74core-platform-cflags += $(arm32-platform-cflags) 75core-platform-cflags += $(arm32-platform-cflags-no-hard-float) 76core-platform-cflags += $(arm32-platform-cflags-generic) 77core-platform-aflags += $(core_arm32-platform-aflags) 78core-platform-aflags += $(arm32-platform-aflags) 79endif 80 81ifneq ($(filter ta_arm32,$(ta-targets)),) 82# Variables for ta-target/sm "ta_arm32" 83CFG_ARM32_ta_arm32 := y 84ta_arm32-platform-cppflags += $(arm32-platform-cppflags) 85ta_arm32-platform-cflags += $(arm32-platform-cflags) 86ta_arm32-platform-cflags += $(platform-cflags-optimization) 87ta_arm32-platform-cflags += $(platform-cflags-debug-info) 88ta_arm32-platform-cflags += -fpie 89ta_arm32-platform-cflags += $(arm32-platform-cflags-generic) 90ifeq ($(platform-hard-float-enabled),y) 91ta_arm32-platform-cflags += $(arm32-platform-cflags-hard-float) 92else 93ta_arm32-platform-cflags += $(arm32-platform-cflags-no-hard-float) 94endif 95ta_arm32-platform-aflags += $(platform-aflags-debug-info) 96ta_arm32-platform-aflags += $(arm32-platform-aflags) 97 98ta-mk-file-export-vars-ta_arm32 += CFG_ARM32_ta_arm32 99ta-mk-file-export-vars-ta_arm32 += ta_arm32-platform-cppflags 100ta-mk-file-export-vars-ta_arm32 += ta_arm32-platform-cflags 101ta-mk-file-export-vars-ta_arm32 += ta_arm32-platform-aflags 102endif 103 104ifneq ($(filter ta_arm64,$(ta-targets)),) 105# Variables for ta-target/sm "ta_arm64" 106CFG_ARM64_ta_arm64 := y 107ta_arm64-platform-cppflags += $(arm64-platform-cppflags) 108ta_arm64-platform-cflags += $(arm64-platform-cflags) 109ta_arm64-platform-cflags += $(platform-cflags-optimization) 110ta_arm64-platform-cflags += $(platform-cflags-debug-info) 111ta_arm64-platform-cflags += -fpie 112ta_arm64-platform-cflags += $(arm64-platform-cflags-generic) 113ifeq ($(platform-hard-float-enabled),y) 114ta_arm64-platform-cflags += $(arm64-platform-cflags-hard-float) 115else 116ta_arm64-platform-cflags += $(arm64-platform-cflags-no-hard-float) 117endif 118ta_arm64-platform-aflags += $(platform-aflags-debug-info) 119ta_arm64-platform-aflags += $(arm64-platform-aflags) 120 121ta-mk-file-export-vars-ta_arm64 += CFG_ARM64_ta_arm64 122ta-mk-file-export-vars-ta_arm64 += ta_arm64-platform-cppflags 123ta-mk-file-export-vars-ta_arm64 += ta_arm64-platform-cflags 124ta-mk-file-export-vars-ta_arm64 += ta_arm64-platform-aflags 125endif 126