1CFG_LTC_OPTEE_THREAD ?= y 2# Size of emulated TrustZone protected SRAM, 448 kB. 3# Only applicable when paging is enabled. 4CFG_CORE_TZSRAM_EMUL_SIZE ?= 458752 5CFG_LPAE_ADDR_SPACE_SIZE ?= (1ull << 32) 6 7CFG_MMAP_REGIONS ?= 13 8 9ifeq ($(CFG_ARM64_core),y) 10CFG_KERN_LINKER_FORMAT ?= elf64-littleaarch64 11CFG_KERN_LINKER_ARCH ?= aarch64 12else 13ifeq ($(CFG_ARM32_core),y) 14CFG_KERN_LINKER_FORMAT ?= elf32-littlearm 15CFG_KERN_LINKER_ARCH ?= arm 16else 17$(error Error: CFG_ARM64_core or CFG_ARM32_core should be defined) 18endif 19endif 20 21ifeq ($(CFG_TA_FLOAT_SUPPORT),y) 22# Use hard-float for floating point support in user TAs instead of 23# soft-float 24CFG_WITH_VFP ?= y 25ifeq ($(CFG_ARM64_core),y) 26# AArch64 has no fallback to soft-float 27$(call force,CFG_WITH_VFP,y) 28endif 29ifeq ($(CFG_WITH_VFP),y) 30platform-hard-float-enabled := y 31endif 32endif 33 34CFG_CORE_RWDATA_NOEXEC ?= y 35CFG_CORE_RODATA_NOEXEC ?= n 36ifeq ($(CFG_CORE_RODATA_NOEXEC),y) 37$(call force,CFG_CORE_RWDATA_NOEXEC,y) 38endif 39# 'y' to set the Alignment Check Enable bit in SCTLR/SCTLR_EL1, 'n' to clear it 40CFG_SCTLR_ALIGNMENT_CHECK ?= y 41 42ifeq ($(CFG_WITH_PAGER),y) 43ifeq ($(CFG_CORE_SANITIZE_KADDRESS),y) 44$(error Error: CFG_CORE_SANITIZE_KADDRESS not compatible with CFG_WITH_PAGER) 45endif 46endif 47 48ifeq ($(CFG_ARM32_core),y) 49# Configration directive related to ARMv7 optee boot arguments. 50# CFG_PAGEABLE_ADDR: if defined, forces pageable data physical address. 51# CFG_NS_ENTRY_ADDR: if defined, forces NS World physical entry address. 52# CFG_DT_ADDR: if defined, forces Device Tree data physical address. 53endif 54 55core-platform-cppflags += -I$(arch-dir)/include 56core-platform-subdirs += \ 57 $(addprefix $(arch-dir)/, kernel mm tee pta) $(platform-dir) 58 59ifneq ($(CFG_WITH_ARM_TRUSTED_FW),y) 60core-platform-subdirs += $(arch-dir)/sm 61endif 62 63arm64-platform-cppflags += -DARM64=1 -D__LP64__=1 64arm32-platform-cppflags += -DARM32=1 -D__ILP32__=1 65 66platform-cflags-generic ?= -g -ffunction-sections -fdata-sections -pipe 67platform-aflags-generic ?= -g -pipe 68 69arm32-platform-cflags-no-hard-float ?= -mfloat-abi=soft 70arm32-platform-cflags-hard-float ?= -mfloat-abi=hard -funsafe-math-optimizations 71arm32-platform-cflags-generic ?= -mthumb -mthumb-interwork \ 72 -fno-short-enums -fno-common -mno-unaligned-access 73arm32-platform-aflags-no-hard-float ?= 74 75arm64-platform-cflags-no-hard-float ?= -mgeneral-regs-only 76arm64-platform-cflags-hard-float ?= 77arm64-platform-cflags-generic ?= -mstrict-align 78 79ifeq ($(DEBUG),1) 80platform-cflags-optimization ?= -O0 81else 82platform-cflags-optimization ?= -Os 83endif 84 85platform-cflags-debug-info ?= -g3 86platform-aflags-debug-info ?= 87 88core-platform-cflags += $(platform-cflags-optimization) 89core-platform-cflags += $(platform-cflags-generic) 90core-platform-cflags += $(platform-cflags-debug-info) 91 92core-platform-aflags += $(platform-aflags-generic) 93core-platform-aflags += $(platform-aflags-debug-info) 94 95ifeq ($(CFG_ARM64_core),y) 96arch-bits-core := 64 97core-platform-cppflags += $(arm64-platform-cppflags) 98core-platform-cflags += $(arm64-platform-cflags) 99core-platform-cflags += $(arm64-platform-cflags-generic) 100core-platform-cflags += $(arm64-platform-cflags-no-hard-float) 101core-platform-aflags += $(arm64-platform-aflags) 102else 103arch-bits-core := 32 104core-platform-cppflags += $(arm32-platform-cppflags) 105core-platform-cflags += $(arm32-platform-cflags) 106core-platform-cflags += $(arm32-platform-cflags-no-hard-float) 107ifeq ($(CFG_UNWIND),y) 108core-platform-cflags += -funwind-tables 109endif 110core-platform-cflags += $(arm32-platform-cflags-generic) 111core-platform-aflags += $(core_arm32-platform-aflags) 112core-platform-aflags += $(arm32-platform-aflags) 113endif 114 115ifneq ($(filter ta_arm32,$(ta-targets)),) 116# Variables for ta-target/sm "ta_arm32" 117CFG_ARM32_ta_arm32 := y 118arch-bits-ta_arm32 := 32 119ta_arm32-platform-cppflags += $(arm32-platform-cppflags) 120ta_arm32-platform-cflags += $(arm32-platform-cflags) 121ta_arm32-platform-cflags += $(platform-cflags-optimization) 122ta_arm32-platform-cflags += $(platform-cflags-debug-info) 123ta_arm32-platform-cflags += -fpie 124ta_arm32-platform-cflags += $(arm32-platform-cflags-generic) 125ifeq ($(platform-hard-float-enabled),y) 126ta_arm32-platform-cflags += $(arm32-platform-cflags-hard-float) 127else 128ta_arm32-platform-cflags += $(arm32-platform-cflags-no-hard-float) 129endif 130ifeq ($(CFG_UNWIND),y) 131ta_arm32-platform-cflags += -funwind-tables 132endif 133ta_arm32-platform-aflags += $(platform-aflags-generic) 134ta_arm32-platform-aflags += $(platform-aflags-debug-info) 135ta_arm32-platform-aflags += $(arm32-platform-aflags) 136 137ta-mk-file-export-vars-ta_arm32 += CFG_ARM32_ta_arm32 138ta-mk-file-export-vars-ta_arm32 += ta_arm32-platform-cppflags 139ta-mk-file-export-vars-ta_arm32 += ta_arm32-platform-cflags 140ta-mk-file-export-vars-ta_arm32 += ta_arm32-platform-aflags 141 142ta-mk-file-export-add-ta_arm32 += CROSS_COMPILE ?= arm-linux-gnueabihf-_nl_ 143ta-mk-file-export-add-ta_arm32 += CROSS_COMPILE32 ?= $$(CROSS_COMPILE)_nl_ 144ta-mk-file-export-add-ta_arm32 += CROSS_COMPILE_ta_arm32 ?= $$(CROSS_COMPILE32)_nl_ 145endif 146 147ifneq ($(filter ta_arm64,$(ta-targets)),) 148# Variables for ta-target/sm "ta_arm64" 149CFG_ARM64_ta_arm64 := y 150arch-bits-ta_arm64 := 64 151ta_arm64-platform-cppflags += $(arm64-platform-cppflags) 152ta_arm64-platform-cflags += $(arm64-platform-cflags) 153ta_arm64-platform-cflags += $(platform-cflags-optimization) 154ta_arm64-platform-cflags += $(platform-cflags-debug-info) 155ta_arm64-platform-cflags += -fpie 156ta_arm64-platform-cflags += $(arm64-platform-cflags-generic) 157ifeq ($(platform-hard-float-enabled),y) 158ta_arm64-platform-cflags += $(arm64-platform-cflags-hard-float) 159else 160ta_arm64-platform-cflags += $(arm64-platform-cflags-no-hard-float) 161endif 162ta_arm64-platform-aflags += $(platform-aflags-generic) 163ta_arm64-platform-aflags += $(platform-aflags-debug-info) 164ta_arm64-platform-aflags += $(arm64-platform-aflags) 165 166ta-mk-file-export-vars-ta_arm64 += CFG_ARM64_ta_arm64 167ta-mk-file-export-vars-ta_arm64 += ta_arm64-platform-cppflags 168ta-mk-file-export-vars-ta_arm64 += ta_arm64-platform-cflags 169ta-mk-file-export-vars-ta_arm64 += ta_arm64-platform-aflags 170 171ta-mk-file-export-add-ta_arm64 += CROSS_COMPILE64 ?= $$(CROSS_COMPILE)_nl_ 172ta-mk-file-export-add-ta_arm64 += CROSS_COMPILE_ta_arm64 ?= $$(CROSS_COMPILE64)_nl_ 173endif 174 175# Set cross compiler prefix for each submodule 176$(foreach sm, core $(ta-targets), $(eval CROSS_COMPILE_$(sm) ?= $(CROSS_COMPILE$(arch-bits-$(sm))))) 177