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 84ifeq ($(CFG_RISCV_SBI_MPXY_RPMI),y) 85$(call force,CFG_RISCV_SBI_MPXY,y) 86endif 87 88# 'y' to let M-mode secure monitor handle the communication between OP-TEE OS 89# and untrusted domain. 90CFG_RISCV_WITH_M_MODE_SM ?= n 91ifeq ($(CFG_RISCV_WITH_M_MODE_SM),y) 92$(call force,CFG_RISCV_SBI,y) 93endif 94 95# Disable unsupported and other arch-specific flags 96$(call force,CFG_CORE_FFA,n) 97$(call force,CFG_SECURE_PARTITION,n) 98$(call force,CFG_PAGED_USER_TA,n) 99$(call force,CFG_WITH_PAGER,n) 100$(call force,CFG_GIC,n) 101$(call force,CFG_ARM_GICV3,n) 102$(call force,CFG_WITH_VFP,n) 103$(call force,CFG_WITH_STMM_SP,n) 104$(call force,CFG_TA_BTI,n) 105 106# Enable generic timer 107$(call force,CFG_CORE_HAS_GENERIC_TIMER,y) 108 109core-platform-cppflags += -I$(arch-dir)/include 110core-platform-subdirs += \ 111 $(addprefix $(arch-dir)/, kernel mm tee) $(platform-dir) 112 113# Default values for "-mcmodel" compiler flag 114riscv-platform-mcmodel ?= medany 115 116ifeq ($(CFG_RV64_core),y) 117ISA_BASE = rv64ima 118ABI_BASE = lp64 119else 120ISA_BASE = rv32ima 121ABI_BASE = ilp32 122endif 123ifeq ($(CFG_RISCV_FPU),y) 124ISA_D = fd 125ABI_D = d 126endif 127ifeq ($(CFG_RISCV_ISA_C),y) 128ISA_C = c 129endif 130ifeq ($(CFG_RISCV_ISA_ZBB),y) 131ISA_ZBB = _zbb 132endif 133 134riscv-isa = $(ISA_BASE)$(ISA_D)$(ISA_C)$(ISA_ZBB)_zicsr_zifencei 135riscv-abi = $(ABI_BASE)$(ABI_D) 136 137rv64-platform-cflags += -mcmodel=$(riscv-platform-mcmodel) 138rv64-platform-cflags += -march=$(riscv-isa) -mabi=$(riscv-abi) 139rv64-platform-cflags += -Wno-missing-include-dirs 140rv32-platform-cflags += -mcmodel=$(riscv-platform-mcmodel) 141rv32-platform-cflags += -march=$(riscv-isa) -mabi=$(riscv-abi) 142 143rv64-platform-cppflags += -DRV64=1 -D__LP64__=1 144rv32-platform-cppflags += -DRV32=1 -D__ILP32__=1 145 146platform-cflags-generic ?= -ffunction-sections -fdata-sections -pipe 147platform-aflags-generic ?= -pipe -march=$(riscv-isa) -mabi=$(riscv-abi) 148 149rv64-platform-cflags-generic := -mstrict-align $(call cc-option,) 150 151# Optimize for size by default, usually gives good performance too 152CFG_CC_OPT_LEVEL ?= 0 153platform-cflags-optimization ?= -O$(CFG_CC_OPT_LEVEL) 154 155CFG_DEBUG_INFO ?= y 156ifeq ($(CFG_DEBUG_INFO),y) 157platform-cflags-debug-info ?= -g3 158platform-aflags-debug-info ?= -g 159endif 160 161core-platform-cflags += $(platform-cflags-optimization) 162core-platform-cflags += $(platform-cflags-generic) 163core-platform-cflags += $(platform-cflags-debug-info) 164 165core-platform-aflags += $(platform-aflags-generic) 166core-platform-aflags += $(platform-aflags-debug-info) 167 168ifeq ($(CFG_CORE_ASLR),y) 169core-platform-cflags += -fpie 170endif 171 172ifeq ($(CFG_UNWIND),y) 173core-platform-cppflags += -fno-omit-frame-pointer 174core-platform-cflags += -fno-omit-frame-pointer 175endif 176 177ifeq ($(CFG_RV64_core),y) 178core-platform-cppflags += $(rv64-platform-cppflags) 179core-platform-cflags += $(rv64-platform-cflags) 180core-platform-cflags += $(rv64-platform-cflags-generic) 181core-platform-cflags += $(rv64-platform-cflags-no-hard-float) 182core-platform-aflags += $(rv64-platform-aflags) 183else 184core-platform-cppflags += $(rv32-platform-cppflags) 185core-platform-cflags += $(rv32-platform-cflags) 186core-platform-cflags += $(rv32-platform-cflags-no-hard-float) 187ifeq ($(CFG_UNWIND),y) 188core-platform-cflags += -funwind-tables 189endif 190core-platform-aflags += $(core_rv32-platform-aflags) 191core-platform-aflags += $(rv32-platform-aflags) 192endif 193 194# Provide default supported-ta-targets if not set by the platform config 195ifeq (,$(supported-ta-targets)) 196supported-ta-targets = ta_rv32 197ifeq ($(CFG_RV64_core),y) 198supported-ta-targets += ta_rv64 199endif 200endif 201 202ta-targets := $(if $(CFG_USER_TA_TARGETS),$(filter $(supported-ta-targets),$(CFG_USER_TA_TARGETS)),$(supported-ta-targets)) 203unsup-targets := $(filter-out $(ta-targets),$(CFG_USER_TA_TARGETS)) 204ifneq (,$(unsup-targets)) 205$(error CFG_USER_TA_TARGETS contains unsupported value(s): $(unsup-targets). Valid values: $(supported-ta-targets)) 206endif 207 208ifneq ($(filter ta_rv32,$(ta-targets)),) 209# Variables for ta-target/sm "ta_rv32" 210CFG_RV32_ta_rv32 := y 211arch-bits-ta_rv32 := 32 212ta_rv32-platform-cppflags += $(rv32-platform-cppflags) 213ta_rv32-platform-cflags += $(rv32-platform-cflags) 214ta_rv32-platform-cflags += $(platform-cflags-optimization) 215ta_rv32-platform-cflags += $(platform-cflags-debug-info) 216ta_rv32-platform-cflags += -fpic 217 218ifeq ($(CFG_UNWIND),y) 219ta_rv32-platform-cflags += -fno-omit-frame-pointer 220ta_rv32-platform-cflags += -funwind-tables 221endif 222ta_rv32-platform-aflags += $(platform-aflags-generic) 223ta_rv32-platform-aflags += $(platform-aflags-debug-info) 224ta_rv32-platform-aflags += $(rv32-platform-aflags) 225 226ta_rv32-platform-cxxflags += -fpic 227ta_rv32-platform-cxxflags += $(rv32-platform-cxxflags) 228ta_rv32-platform-cxxflags += $(platform-cflags-optimization) 229ta_rv32-platform-cxxflags += $(platform-cflags-debug-info) 230 231ta-mk-file-export-vars-ta_rv32 += CFG_RV32_ta_rv32 232ta-mk-file-export-vars-ta_rv32 += ta_rv32-platform-cppflags 233ta-mk-file-export-vars-ta_rv32 += ta_rv32-platform-cflags 234ta-mk-file-export-vars-ta_rv32 += ta_rv32-platform-aflags 235ta-mk-file-export-vars-ta_rv32 += ta_rv32-platform-cxxflags 236 237ta-mk-file-export-add-ta_rv32 += CROSS_COMPILE ?= riscv32-unknown-linux-gnu-_nl_ 238ta-mk-file-export-add-ta_rv32 += CROSS_COMPILE32 ?= $$(CROSS_COMPILE)_nl_ 239ta-mk-file-export-add-ta_rv32 += CROSS_COMPILE_ta_rv32 ?= $$(CROSS_COMPILE32)_nl_ 240ta-mk-file-export-add-ta_rv32 += COMPILER ?= gcc_nl_ 241ta-mk-file-export-add-ta_rv32 += COMPILER_ta_rv32 ?= $$(COMPILER)_nl_ 242ta-mk-file-export-add-ta_rv32 += PYTHON3 ?= python3_nl_ 243endif 244 245ifneq ($(filter ta_rv64,$(ta-targets)),) 246# Variables for ta-target/sm "ta_rv64" 247CFG_RV64_ta_rv64 := y 248arch-bits-ta_rv64 := 64 249ta_rv64-platform-cppflags += $(rv64-platform-cppflags) 250ta_rv64-platform-cflags += $(rv64-platform-cflags) 251ta_rv64-platform-cflags += $(platform-cflags-optimization) 252ta_rv64-platform-cflags += $(platform-cflags-debug-info) 253ta_rv64-platform-cflags += -fpic 254ta_rv64-platform-cflags += $(rv64-platform-cflags-generic) 255ifeq ($(CFG_UNWIND),y) 256ta_rv64-platform-cflags += -fno-omit-frame-pointer 257endif 258ifeq ($(rv64-platform-hard-float-enabled),y) 259ta_rv64-platform-cflags += $(rv64-platform-cflags-hard-float) 260else 261ta_rv64-platform-cflags += $(rv64-platform-cflags-no-hard-float) 262endif 263ta_rv64-platform-aflags += $(platform-aflags-generic) 264ta_rv64-platform-aflags += $(platform-aflags-debug-info) 265ta_rv64-platform-aflags += $(rv64-platform-aflags) 266 267ta_rv64-platform-cxxflags += -fpic 268ta_rv64-platform-cxxflags += $(platform-cflags-optimization) 269ta_rv64-platform-cxxflags += $(platform-cflags-debug-info) 270 271ta-mk-file-export-vars-ta_rv64 += CFG_RV64_ta_rv64 272ta-mk-file-export-vars-ta_rv64 += ta_rv64-platform-cppflags 273ta-mk-file-export-vars-ta_rv64 += ta_rv64-platform-cflags 274ta-mk-file-export-vars-ta_rv64 += ta_rv64-platform-aflags 275ta-mk-file-export-vars-ta_rv64 += ta_rv64-platform-cxxflags 276 277ta-mk-file-export-add-ta_rv64 += CROSS_COMPILE64 ?= $$(CROSS_COMPILE)_nl_ 278ta-mk-file-export-add-ta_rv64 += CROSS_COMPILE_ta_rv64 ?= $$(CROSS_COMPILE64)_nl_ 279ta-mk-file-export-add-ta_rv64 += COMPILER ?= gcc_nl_ 280ta-mk-file-export-add-ta_rv64 += COMPILER_ta_rv64 ?= $$(COMPILER)_nl_ 281ta-mk-file-export-add-ta_rv64 += PYTHON3 ?= python3_nl_ 282endif 283 284# Set cross compiler prefix for each TA target 285$(foreach sm, $(ta-targets), $(eval CROSS_COMPILE_$(sm) ?= $(CROSS_COMPILE$(arch-bits-$(sm))))) 286