1# Setup compiler for the core module 2ifeq ($(CFG_RV64_core),y) 3arch-bits-core := 64 4else 5arch-bits-core := 32 6endif 7CROSS_COMPILE_core := $(CROSS_COMPILE$(arch-bits-core)) 8COMPILER_core := $(COMPILER) 9 10include mk/$(COMPILER_core).mk 11 12# Defines the cc-option macro using the compiler set for the core module 13include mk/cc-option.mk 14 15CFG_MMAP_REGIONS ?= 13 16CFG_RESERVED_VASPACE_SIZE ?= (1024 * 1024 * 10) 17CFG_NEX_DYN_VASPACE_SIZE ?= (1024 * 1024) 18CFG_TEE_DYN_VASPACE_SIZE ?= (1024 * 1024) 19 20ifeq ($(CFG_RV64_core),y) 21CFG_KERN_LINKER_FORMAT ?= elf64-littleriscv 22CFG_KERN_LINKER_ARCH ?= riscv 23else 24ifeq ($(CFG_RV32_core),y) 25CFG_KERN_LINKER_FORMAT ?= elf32-littleriscv 26CFG_KERN_LINKER_ARCH ?= riscv 27else 28$(error Error: CFG_RV64_core or CFG_RV32_core should be defined) 29endif 30endif 31 32CFG_CORE_RWDATA_NOEXEC ?= y 33CFG_CORE_RODATA_NOEXEC ?= n 34ifeq ($(CFG_CORE_RODATA_NOEXEC),y) 35$(call force,CFG_CORE_RWDATA_NOEXEC,y) 36endif 37 38CFG_MAX_CACHE_LINE_SHIFT ?= 6 39 40# CFG_WITH_LPAE is ARM-related flag, however, it is used by core code. 41# In order to maintain the code logic, we set it when CFG_CORE_LARGE_PHYS_ADDR is set. 42# Platform configuration should accordingly set CFG_CORE_LARGE_PHYS_ADDR or not. 43ifeq ($(CFG_CORE_LARGE_PHYS_ADDR),y) 44$(call force,CFG_WITH_LPAE,y) 45endif 46 47# Paged virtual-memory schemes (SvXX) 48# For RV32, the acceptable value is 32. 49# For RV64, the acceptable values are 39, 48, 57. 50CFG_RISCV_MMU_MODE ?= 39 51ifeq ($(CFG_RV64_core),y) 52$(call cfg-check-value,RISCV_MMU_MODE,39 48 57) 53else 54ifeq ($(CFG_RV32_core),y) 55$(call cfg-check-value,RISCV_MMU_MODE,32) 56endif 57endif 58 59CFG_RISCV_SBI ?= n 60CFG_RISCV_M_MODE ?= y 61ifeq ($(CFG_RISCV_M_MODE),y) 62ifeq ($(CFG_RISCV_S_MODE),y) 63$(error CFG_RISCV_M_MODE and CFG_RISCV_S_MODE cannot be both 'y') 64else 65$(call force,CFG_RISCV_S_MODE,n) 66$(call force,CFG_RISCV_SBI,n) 67endif 68endif 69ifeq ($(CFG_RISCV_S_MODE),y) 70$(call force,CFG_RISCV_M_MODE,n) 71endif 72ifneq (y,$(call cfg-one-enabled,CFG_RISCV_M_MODE M CFG_RISCV_S_MODE)) 73$(error Either CFG_RISCV_M_MODE or CFG_RISCV_S_MODE must be 'y') 74endif 75 76ifeq ($(CFG_RISCV_SBI_CONSOLE),y) 77$(call force,CFG_RISCV_SBI,y) 78endif 79 80ifeq ($(CFG_RISCV_SBI_MPXY),y) 81$(call force,CFG_RISCV_SBI,y) 82endif 83 84# 'y' to let M-mode secure monitor handle the communication between OP-TEE OS 85# and untrusted domain. 86CFG_RISCV_WITH_M_MODE_SM ?= n 87ifeq ($(CFG_RISCV_WITH_M_MODE_SM),y) 88$(call force,CFG_RISCV_SBI,y) 89endif 90 91# Disable unsupported and other arch-specific flags 92$(call force,CFG_CORE_FFA,n) 93$(call force,CFG_SECURE_PARTITION,n) 94$(call force,CFG_PAGED_USER_TA,n) 95$(call force,CFG_WITH_PAGER,n) 96$(call force,CFG_GIC,n) 97$(call force,CFG_ARM_GICV3,n) 98$(call force,CFG_WITH_VFP,n) 99$(call force,CFG_WITH_STMM_SP,n) 100$(call force,CFG_TA_BTI,n) 101 102# Enable generic timer 103$(call force,CFG_CORE_HAS_GENERIC_TIMER,y) 104 105core-platform-cppflags += -I$(arch-dir)/include 106core-platform-subdirs += \ 107 $(addprefix $(arch-dir)/, kernel mm tee) $(platform-dir) 108 109# Default values for "-mcmodel" compiler flag 110riscv-platform-mcmodel ?= medany 111 112ifeq ($(CFG_RV64_core),y) 113ISA_BASE = rv64ima 114ABI_BASE = lp64 115else 116ISA_BASE = rv32ima 117ABI_BASE = ilp32 118endif 119ifeq ($(CFG_RISCV_FPU),y) 120ISA_D = fd 121ABI_D = d 122endif 123ifeq ($(CFG_RISCV_ISA_C),y) 124ISA_C = c 125endif 126ifeq ($(CFG_RISCV_ISA_ZBB),y) 127ISA_ZBB = _zbb 128endif 129 130riscv-isa = $(ISA_BASE)$(ISA_D)$(ISA_C)$(ISA_ZBB)_zicsr_zifencei 131riscv-abi = $(ABI_BASE)$(ABI_D) 132 133rv64-platform-cflags += -mcmodel=$(riscv-platform-mcmodel) 134rv64-platform-cflags += -march=$(riscv-isa) -mabi=$(riscv-abi) 135rv64-platform-cflags += -Wno-missing-include-dirs 136rv32-platform-cflags += -mcmodel=$(riscv-platform-mcmodel) 137rv32-platform-cflags += -march=$(riscv-isa) -mabi=$(riscv-abi) 138 139rv64-platform-cppflags += -DRV64=1 -D__LP64__=1 140rv32-platform-cppflags += -DRV32=1 -D__ILP32__=1 141 142platform-cflags-generic ?= -ffunction-sections -fdata-sections -pipe 143platform-aflags-generic ?= -pipe -march=$(riscv-isa) -mabi=$(riscv-abi) 144 145rv64-platform-cflags-generic := -mstrict-align $(call cc-option,) 146 147# Optimize for size by default, usually gives good performance too 148CFG_CC_OPT_LEVEL ?= 0 149platform-cflags-optimization ?= -O$(CFG_CC_OPT_LEVEL) 150 151CFG_DEBUG_INFO ?= y 152ifeq ($(CFG_DEBUG_INFO),y) 153platform-cflags-debug-info ?= -g3 154platform-aflags-debug-info ?= -g 155endif 156 157core-platform-cflags += $(platform-cflags-optimization) 158core-platform-cflags += $(platform-cflags-generic) 159core-platform-cflags += $(platform-cflags-debug-info) 160 161core-platform-aflags += $(platform-aflags-generic) 162core-platform-aflags += $(platform-aflags-debug-info) 163 164ifeq ($(CFG_CORE_ASLR),y) 165core-platform-cflags += -fpie 166endif 167 168ifeq ($(CFG_UNWIND),y) 169core-platform-cppflags += -fno-omit-frame-pointer 170core-platform-cflags += -fno-omit-frame-pointer 171endif 172 173ifeq ($(CFG_RV64_core),y) 174core-platform-cppflags += $(rv64-platform-cppflags) 175core-platform-cflags += $(rv64-platform-cflags) 176core-platform-cflags += $(rv64-platform-cflags-generic) 177core-platform-cflags += $(rv64-platform-cflags-no-hard-float) 178core-platform-aflags += $(rv64-platform-aflags) 179else 180core-platform-cppflags += $(rv32-platform-cppflags) 181core-platform-cflags += $(rv32-platform-cflags) 182core-platform-cflags += $(rv32-platform-cflags-no-hard-float) 183ifeq ($(CFG_UNWIND),y) 184core-platform-cflags += -funwind-tables 185endif 186core-platform-aflags += $(core_rv32-platform-aflags) 187core-platform-aflags += $(rv32-platform-aflags) 188endif 189 190# Provide default supported-ta-targets if not set by the platform config 191ifeq (,$(supported-ta-targets)) 192supported-ta-targets = ta_rv32 193ifeq ($(CFG_RV64_core),y) 194supported-ta-targets += ta_rv64 195endif 196endif 197 198ta-targets := $(if $(CFG_USER_TA_TARGETS),$(filter $(supported-ta-targets),$(CFG_USER_TA_TARGETS)),$(supported-ta-targets)) 199unsup-targets := $(filter-out $(ta-targets),$(CFG_USER_TA_TARGETS)) 200ifneq (,$(unsup-targets)) 201$(error CFG_USER_TA_TARGETS contains unsupported value(s): $(unsup-targets). Valid values: $(supported-ta-targets)) 202endif 203 204ifneq ($(filter ta_rv32,$(ta-targets)),) 205# Variables for ta-target/sm "ta_rv32" 206CFG_RV32_ta_rv32 := y 207arch-bits-ta_rv32 := 32 208ta_rv32-platform-cppflags += $(rv32-platform-cppflags) 209ta_rv32-platform-cflags += $(rv32-platform-cflags) 210ta_rv32-platform-cflags += $(platform-cflags-optimization) 211ta_rv32-platform-cflags += $(platform-cflags-debug-info) 212ta_rv32-platform-cflags += -fpic 213 214ifeq ($(CFG_UNWIND),y) 215ta_rv32-platform-cflags += -fno-omit-frame-pointer 216ta_rv32-platform-cflags += -funwind-tables 217endif 218ta_rv32-platform-aflags += $(platform-aflags-generic) 219ta_rv32-platform-aflags += $(platform-aflags-debug-info) 220ta_rv32-platform-aflags += $(rv32-platform-aflags) 221 222ta_rv32-platform-cxxflags += -fpic 223ta_rv32-platform-cxxflags += $(rv32-platform-cxxflags) 224ta_rv32-platform-cxxflags += $(platform-cflags-optimization) 225ta_rv32-platform-cxxflags += $(platform-cflags-debug-info) 226 227ta-mk-file-export-vars-ta_rv32 += CFG_RV32_ta_rv32 228ta-mk-file-export-vars-ta_rv32 += ta_rv32-platform-cppflags 229ta-mk-file-export-vars-ta_rv32 += ta_rv32-platform-cflags 230ta-mk-file-export-vars-ta_rv32 += ta_rv32-platform-aflags 231ta-mk-file-export-vars-ta_rv32 += ta_rv32-platform-cxxflags 232 233ta-mk-file-export-add-ta_rv32 += CROSS_COMPILE ?= riscv32-unknown-linux-gnu-_nl_ 234ta-mk-file-export-add-ta_rv32 += CROSS_COMPILE32 ?= $$(CROSS_COMPILE)_nl_ 235ta-mk-file-export-add-ta_rv32 += CROSS_COMPILE_ta_rv32 ?= $$(CROSS_COMPILE32)_nl_ 236ta-mk-file-export-add-ta_rv32 += COMPILER ?= gcc_nl_ 237ta-mk-file-export-add-ta_rv32 += COMPILER_ta_rv32 ?= $$(COMPILER)_nl_ 238ta-mk-file-export-add-ta_rv32 += PYTHON3 ?= python3_nl_ 239endif 240 241ifneq ($(filter ta_rv64,$(ta-targets)),) 242# Variables for ta-target/sm "ta_rv64" 243CFG_RV64_ta_rv64 := y 244arch-bits-ta_rv64 := 64 245ta_rv64-platform-cppflags += $(rv64-platform-cppflags) 246ta_rv64-platform-cflags += $(rv64-platform-cflags) 247ta_rv64-platform-cflags += $(platform-cflags-optimization) 248ta_rv64-platform-cflags += $(platform-cflags-debug-info) 249ta_rv64-platform-cflags += -fpic 250ta_rv64-platform-cflags += $(rv64-platform-cflags-generic) 251ifeq ($(CFG_UNWIND),y) 252ta_rv64-platform-cflags += -fno-omit-frame-pointer 253endif 254ifeq ($(rv64-platform-hard-float-enabled),y) 255ta_rv64-platform-cflags += $(rv64-platform-cflags-hard-float) 256else 257ta_rv64-platform-cflags += $(rv64-platform-cflags-no-hard-float) 258endif 259ta_rv64-platform-aflags += $(platform-aflags-generic) 260ta_rv64-platform-aflags += $(platform-aflags-debug-info) 261ta_rv64-platform-aflags += $(rv64-platform-aflags) 262 263ta_rv64-platform-cxxflags += -fpic 264ta_rv64-platform-cxxflags += $(platform-cflags-optimization) 265ta_rv64-platform-cxxflags += $(platform-cflags-debug-info) 266 267ta-mk-file-export-vars-ta_rv64 += CFG_RV64_ta_rv64 268ta-mk-file-export-vars-ta_rv64 += ta_rv64-platform-cppflags 269ta-mk-file-export-vars-ta_rv64 += ta_rv64-platform-cflags 270ta-mk-file-export-vars-ta_rv64 += ta_rv64-platform-aflags 271ta-mk-file-export-vars-ta_rv64 += ta_rv64-platform-cxxflags 272 273ta-mk-file-export-add-ta_rv64 += CROSS_COMPILE64 ?= $$(CROSS_COMPILE)_nl_ 274ta-mk-file-export-add-ta_rv64 += CROSS_COMPILE_ta_rv64 ?= $$(CROSS_COMPILE64)_nl_ 275ta-mk-file-export-add-ta_rv64 += COMPILER ?= gcc_nl_ 276ta-mk-file-export-add-ta_rv64 += COMPILER_ta_rv64 ?= $$(COMPILER)_nl_ 277ta-mk-file-export-add-ta_rv64 += PYTHON3 ?= python3_nl_ 278endif 279 280# Set cross compiler prefix for each TA target 281$(foreach sm, $(ta-targets), $(eval CROSS_COMPILE_$(sm) ?= $(CROSS_COMPILE$(arch-bits-$(sm))))) 282