1CFG_LTC_OPTEE_THREAD ?= y 2# Size of emulated TrustZone protected SRAM, 360 kB. 3# Only applicable when paging is enabled. 4CFG_CORE_TZSRAM_EMUL_SIZE ?= 368640 5CFG_LPAE_ADDR_SPACE_SIZE ?= (1ull << 32) 6 7ifeq ($(CFG_ARM64_core),y) 8CFG_KERN_LINKER_FORMAT ?= elf64-littleaarch64 9CFG_KERN_LINKER_ARCH ?= aarch64 10endif 11ifeq ($(CFG_ARM32_core),y) 12CFG_KERN_LINKER_FORMAT ?= elf32-littlearm 13CFG_KERN_LINKER_ARCH ?= arm 14endif 15 16ifeq ($(CFG_TA_FLOAT_SUPPORT),y) 17# Use hard-float for floating point support in user TAs instead of 18# soft-float 19CFG_WITH_VFP ?= y 20ifeq ($(CFG_ARM64_core),y) 21# AArch64 has no fallback to soft-float 22$(call force,CFG_WITH_VFP,y) 23endif 24ifeq ($(CFG_WITH_VFP),y) 25platform-hard-float-enabled := y 26endif 27endif 28 29CFG_CORE_RWDATA_NOEXEC ?= y 30 31ifeq ($(CFG_WITH_PAGER),y) 32ifeq ($(CFG_CORE_SANITIZE_KADDRESS),y) 33$(error Error: CFG_CORE_SANITIZE_KADDRESS not compatible with CFG_WITH_PAGER) 34endif 35endif 36 37ifeq ($(CFG_ARM32_core),y) 38# Configration directive related to ARMv7 optee boot arguments. 39# CFG_PAGEABLE_ADDR: if defined, forces pageable data physical address. 40# CFG_NS_ENTRY_ADDR: if defined, forces NS World physical entry address. 41# CFG_DT_ADDR: if defined, forces Device Tree data physical address. 42endif 43 44core-platform-cppflags += -I$(arch-dir)/include 45core-platform-subdirs += \ 46 $(addprefix $(arch-dir)/, kernel mm tee pta) $(platform-dir) 47 48ifneq ($(CFG_WITH_ARM_TRUSTED_FW),y) 49core-platform-subdirs += $(arch-dir)/sm 50endif 51 52arm64-platform-cppflags += -DARM64=1 -D__LP64__=1 53arm32-platform-cppflags += -DARM32=1 -D__ILP32__=1 54 55platform-cflags-generic ?= -g -ffunction-sections -fdata-sections -pipe 56platform-aflags-generic ?= -g -pipe 57 58arm32-platform-cflags-no-hard-float ?= -mno-apcs-float -mfloat-abi=soft 59arm32-platform-cflags-hard-float ?= -mfloat-abi=hard -funsafe-math-optimizations 60arm32-platform-cflags-generic ?= -mthumb -mthumb-interwork \ 61 -fno-short-enums -fno-common -mno-unaligned-access 62arm32-platform-aflags-no-hard-float ?= 63 64arm64-platform-cflags-no-hard-float ?= -mgeneral-regs-only 65arm64-platform-cflags-hard-float ?= 66arm64-platform-cflags-generic ?= -mstrict-align 67 68ifeq ($(DEBUG),1) 69platform-cflags-optimization ?= -O0 70else 71platform-cflags-optimization ?= -Os 72endif 73 74platform-cflags-debug-info ?= -g3 75platform-aflags-debug-info ?= 76 77core-platform-cflags += $(platform-cflags-optimization) 78core-platform-cflags += $(platform-cflags-generic) 79core-platform-cflags += $(platform-cflags-debug-info) 80 81core-platform-aflags += $(platform-aflags-generic) 82core-platform-aflags += $(platform-aflags-debug-info) 83 84ifeq ($(CFG_ARM64_core),y) 85arch-bits-core := 64 86core-platform-cppflags += $(arm64-platform-cppflags) 87core-platform-cflags += $(arm64-platform-cflags) 88core-platform-cflags += $(arm64-platform-cflags-generic) 89core-platform-cflags += $(arm64-platform-cflags-no-hard-float) 90core-platform-aflags += $(arm64-platform-aflags) 91else 92arch-bits-core := 32 93core-platform-cppflags += $(arm32-platform-cppflags) 94core-platform-cflags += $(arm32-platform-cflags) 95core-platform-cflags += $(arm32-platform-cflags-no-hard-float) 96ifeq ($(CFG_CORE_UNWIND),y) 97core-platform-cflags += -funwind-tables 98endif 99core-platform-cflags += $(arm32-platform-cflags-generic) 100core-platform-aflags += $(core_arm32-platform-aflags) 101core-platform-aflags += $(arm32-platform-aflags) 102endif 103 104ifneq ($(filter ta_arm32,$(ta-targets)),) 105# Variables for ta-target/sm "ta_arm32" 106CFG_ARM32_ta_arm32 := y 107arch-bits-ta_arm32 := 32 108ta_arm32-platform-cppflags += $(arm32-platform-cppflags) 109ta_arm32-platform-cflags += $(arm32-platform-cflags) 110ta_arm32-platform-cflags += $(platform-cflags-optimization) 111ta_arm32-platform-cflags += $(platform-cflags-debug-info) 112ta_arm32-platform-cflags += -fpie 113ta_arm32-platform-cflags += $(arm32-platform-cflags-generic) 114ifeq ($(platform-hard-float-enabled),y) 115ta_arm32-platform-cflags += $(arm32-platform-cflags-hard-float) 116else 117ta_arm32-platform-cflags += $(arm32-platform-cflags-no-hard-float) 118endif 119ta_arm32-platform-aflags += $(platform-aflags-debug-info) 120ta_arm32-platform-aflags += $(arm32-platform-aflags) 121 122ta-mk-file-export-vars-ta_arm32 += CFG_ARM32_ta_arm32 123ta-mk-file-export-vars-ta_arm32 += ta_arm32-platform-cppflags 124ta-mk-file-export-vars-ta_arm32 += ta_arm32-platform-cflags 125ta-mk-file-export-vars-ta_arm32 += ta_arm32-platform-aflags 126 127ta-mk-file-export-add-ta_arm32 += CROSS_COMPILE32 ?= $$(CROSS_COMPILE)_nl_ 128ta-mk-file-export-add-ta_arm32 += CROSS_COMPILE_ta_arm32 ?= $$(CROSS_COMPILE32)_nl_ 129endif 130 131ifneq ($(filter ta_arm64,$(ta-targets)),) 132# Variables for ta-target/sm "ta_arm64" 133CFG_ARM64_ta_arm64 := y 134arch-bits-ta_arm64 := 64 135ta_arm64-platform-cppflags += $(arm64-platform-cppflags) 136ta_arm64-platform-cflags += $(arm64-platform-cflags) 137ta_arm64-platform-cflags += $(platform-cflags-optimization) 138ta_arm64-platform-cflags += $(platform-cflags-debug-info) 139ta_arm64-platform-cflags += -fpie 140ta_arm64-platform-cflags += $(arm64-platform-cflags-generic) 141ifeq ($(platform-hard-float-enabled),y) 142ta_arm64-platform-cflags += $(arm64-platform-cflags-hard-float) 143else 144ta_arm64-platform-cflags += $(arm64-platform-cflags-no-hard-float) 145endif 146ta_arm64-platform-aflags += $(platform-aflags-debug-info) 147ta_arm64-platform-aflags += $(arm64-platform-aflags) 148 149ta-mk-file-export-vars-ta_arm64 += CFG_ARM64_ta_arm64 150ta-mk-file-export-vars-ta_arm64 += ta_arm64-platform-cppflags 151ta-mk-file-export-vars-ta_arm64 += ta_arm64-platform-cflags 152ta-mk-file-export-vars-ta_arm64 += ta_arm64-platform-aflags 153 154ta-mk-file-export-add-ta_arm64 += CROSS_COMPILE64 ?= $$(CROSS_COMPILE)_nl_ 155ta-mk-file-export-add-ta_arm64 += CROSS_COMPILE_ta_arm64 ?= $$(CROSS_COMPILE64)_nl_ 156endif 157 158# Set cross compiler prefix for each submodule 159$(foreach sm, core $(ta-targets), $(eval CROSS_COMPILE_$(sm) ?= $(CROSS_COMPILE$(arch-bits-$(sm))))) 160