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_CORE_LARGE_PHYS_ADDR),y) 43$(call force,CFG_WITH_LPAE,y) 44endif 45 46ifeq ($(CFG_ARM32_core),y) 47# Configration directive related to ARMv7 optee boot arguments. 48# CFG_PAGEABLE_ADDR: if defined, forces pageable data physical address. 49# CFG_NS_ENTRY_ADDR: if defined, forces NS World physical entry address. 50# CFG_DT_ADDR: if defined, forces Device Tree data physical address. 51endif 52 53core-platform-cppflags += -I$(arch-dir)/include 54core-platform-subdirs += \ 55 $(addprefix $(arch-dir)/, kernel mm tee pta) $(platform-dir) 56 57ifneq ($(CFG_WITH_ARM_TRUSTED_FW),y) 58core-platform-subdirs += $(arch-dir)/sm 59endif 60 61arm64-platform-cppflags += -DARM64=1 -D__LP64__=1 62arm32-platform-cppflags += -DARM32=1 -D__ILP32__=1 63 64platform-cflags-generic ?= -g -ffunction-sections -fdata-sections -pipe 65platform-aflags-generic ?= -g -pipe 66 67arm32-platform-cflags-no-hard-float ?= -mfloat-abi=soft 68arm32-platform-cflags-hard-float ?= -mfloat-abi=hard -funsafe-math-optimizations 69arm32-platform-cflags-generic ?= -mthumb -mthumb-interwork \ 70 -fno-short-enums -fno-common -mno-unaligned-access 71arm32-platform-aflags-no-hard-float ?= 72 73arm64-platform-cflags-no-hard-float ?= -mgeneral-regs-only 74arm64-platform-cflags-hard-float ?= 75arm64-platform-cflags-generic ?= -mstrict-align 76 77ifeq ($(DEBUG),1) 78platform-cflags-optimization ?= -O0 79else 80platform-cflags-optimization ?= -Os 81endif 82 83platform-cflags-debug-info ?= -g3 84platform-aflags-debug-info ?= 85 86core-platform-cflags += $(platform-cflags-optimization) 87core-platform-cflags += $(platform-cflags-generic) 88core-platform-cflags += $(platform-cflags-debug-info) 89 90core-platform-aflags += $(platform-aflags-generic) 91core-platform-aflags += $(platform-aflags-debug-info) 92 93ifeq ($(CFG_ARM64_core),y) 94arch-bits-core := 64 95core-platform-cppflags += $(arm64-platform-cppflags) 96core-platform-cflags += $(arm64-platform-cflags) 97core-platform-cflags += $(arm64-platform-cflags-generic) 98core-platform-cflags += $(arm64-platform-cflags-no-hard-float) 99core-platform-aflags += $(arm64-platform-aflags) 100else 101arch-bits-core := 32 102core-platform-cppflags += $(arm32-platform-cppflags) 103core-platform-cflags += $(arm32-platform-cflags) 104core-platform-cflags += $(arm32-platform-cflags-no-hard-float) 105ifeq ($(CFG_UNWIND),y) 106core-platform-cflags += -funwind-tables 107endif 108core-platform-cflags += $(arm32-platform-cflags-generic) 109core-platform-aflags += $(core_arm32-platform-aflags) 110core-platform-aflags += $(arm32-platform-aflags) 111endif 112 113ifneq ($(filter ta_arm32,$(ta-targets)),) 114# Variables for ta-target/sm "ta_arm32" 115CFG_ARM32_ta_arm32 := y 116arch-bits-ta_arm32 := 32 117ta_arm32-platform-cppflags += $(arm32-platform-cppflags) 118ta_arm32-platform-cflags += $(arm32-platform-cflags) 119ta_arm32-platform-cflags += $(platform-cflags-optimization) 120ta_arm32-platform-cflags += $(platform-cflags-debug-info) 121ta_arm32-platform-cflags += -fpie 122ta_arm32-platform-cflags += $(arm32-platform-cflags-generic) 123ifeq ($(platform-hard-float-enabled),y) 124ta_arm32-platform-cflags += $(arm32-platform-cflags-hard-float) 125else 126ta_arm32-platform-cflags += $(arm32-platform-cflags-no-hard-float) 127endif 128ifeq ($(CFG_UNWIND),y) 129ta_arm32-platform-cflags += -funwind-tables 130endif 131ta_arm32-platform-aflags += $(platform-aflags-generic) 132ta_arm32-platform-aflags += $(platform-aflags-debug-info) 133ta_arm32-platform-aflags += $(arm32-platform-aflags) 134 135ta-mk-file-export-vars-ta_arm32 += CFG_ARM32_ta_arm32 136ta-mk-file-export-vars-ta_arm32 += ta_arm32-platform-cppflags 137ta-mk-file-export-vars-ta_arm32 += ta_arm32-platform-cflags 138ta-mk-file-export-vars-ta_arm32 += ta_arm32-platform-aflags 139 140ta-mk-file-export-add-ta_arm32 += CROSS_COMPILE ?= arm-linux-gnueabihf-_nl_ 141ta-mk-file-export-add-ta_arm32 += CROSS_COMPILE32 ?= $$(CROSS_COMPILE)_nl_ 142ta-mk-file-export-add-ta_arm32 += CROSS_COMPILE_ta_arm32 ?= $$(CROSS_COMPILE32)_nl_ 143endif 144 145ifneq ($(filter ta_arm64,$(ta-targets)),) 146# Variables for ta-target/sm "ta_arm64" 147CFG_ARM64_ta_arm64 := y 148arch-bits-ta_arm64 := 64 149ta_arm64-platform-cppflags += $(arm64-platform-cppflags) 150ta_arm64-platform-cflags += $(arm64-platform-cflags) 151ta_arm64-platform-cflags += $(platform-cflags-optimization) 152ta_arm64-platform-cflags += $(platform-cflags-debug-info) 153ta_arm64-platform-cflags += -fpie 154ta_arm64-platform-cflags += $(arm64-platform-cflags-generic) 155ifeq ($(platform-hard-float-enabled),y) 156ta_arm64-platform-cflags += $(arm64-platform-cflags-hard-float) 157else 158ta_arm64-platform-cflags += $(arm64-platform-cflags-no-hard-float) 159endif 160ta_arm64-platform-aflags += $(platform-aflags-generic) 161ta_arm64-platform-aflags += $(platform-aflags-debug-info) 162ta_arm64-platform-aflags += $(arm64-platform-aflags) 163 164ta-mk-file-export-vars-ta_arm64 += CFG_ARM64_ta_arm64 165ta-mk-file-export-vars-ta_arm64 += ta_arm64-platform-cppflags 166ta-mk-file-export-vars-ta_arm64 += ta_arm64-platform-cflags 167ta-mk-file-export-vars-ta_arm64 += ta_arm64-platform-aflags 168 169ta-mk-file-export-add-ta_arm64 += CROSS_COMPILE64 ?= $$(CROSS_COMPILE)_nl_ 170ta-mk-file-export-add-ta_arm64 += CROSS_COMPILE_ta_arm64 ?= $$(CROSS_COMPILE64)_nl_ 171endif 172 173# Set cross compiler prefix for each submodule 174$(foreach sm, core $(ta-targets), $(eval CROSS_COMPILE_$(sm) ?= $(CROSS_COMPILE$(arch-bits-$(sm))))) 175