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) 17 18ifeq ($(CFG_RV64_core),y) 19CFG_KERN_LINKER_FORMAT ?= elf64-littleriscv 20CFG_KERN_LINKER_ARCH ?= riscv 21else 22ifeq ($(CFG_RV32_core),y) 23CFG_KERN_LINKER_FORMAT ?= elf32-littleriscv 24CFG_KERN_LINKER_ARCH ?= riscv 25else 26$(error Error: CFG_RV64_core or CFG_RV32_core should be defined) 27endif 28endif 29 30CFG_CORE_RWDATA_NOEXEC ?= y 31CFG_CORE_RODATA_NOEXEC ?= n 32ifeq ($(CFG_CORE_RODATA_NOEXEC),y) 33$(call force,CFG_CORE_RWDATA_NOEXEC,y) 34endif 35 36CFG_MAX_CACHE_LINE_SHIFT ?= 6 37 38# CFG_WITH_LPAE is ARM-related flag, however, it is used by core code. 39# In order to maintain the code logic, we set it when CFG_CORE_LARGE_PHYS_ADDR is set. 40# Platform configuration should accordingly set CFG_CORE_LARGE_PHYS_ADDR or not. 41ifeq ($(CFG_CORE_LARGE_PHYS_ADDR),y) 42$(call force,CFG_WITH_LPAE,y) 43endif 44 45CFG_RISCV_SBI ?= n 46CFG_RISCV_M_MODE ?= y 47ifeq ($(CFG_RISCV_M_MODE),y) 48ifeq ($(CFG_RISCV_S_MODE),y) 49$(error CFG_RISCV_M_MODE and CFG_RISCV_S_MODE cannot be both 'y') 50else 51$(call force,CFG_RISCV_S_MODE,n) 52$(call force,CFG_RISCV_SBI,n) 53endif 54endif 55ifeq ($(CFG_RISCV_S_MODE),y) 56$(call force,CFG_RISCV_M_MODE,n) 57endif 58ifneq (y,$(call cfg-one-enabled,CFG_RISCV_M_MODE M CFG_RISCV_S_MODE)) 59$(error Either CFG_RISCV_M_MODE or CFG_RISCV_S_MODE must be 'y') 60endif 61 62ifeq ($(CFG_RISCV_SBI_CONSOLE),y) 63$(call force,CFG_RISCV_SBI,y) 64endif 65 66# 'y' to let M-mode secure monitor handle the communication between OP-TEE OS 67# and untrusted domain. 68CFG_RISCV_WITH_M_MODE_SM ?= n 69ifeq ($(CFG_RISCV_WITH_M_MODE_SM),y) 70$(call force,CFG_RISCV_SBI,y) 71endif 72 73# Disable unsupported and other arch-specific flags 74$(call force,CFG_CORE_FFA,n) 75$(call force,CFG_SECURE_PARTITION,n) 76$(call force,CFG_PAGED_USER_TA,n) 77$(call force,CFG_WITH_PAGER,n) 78$(call force,CFG_GIC,n) 79$(call force,CFG_ARM_GICV3,n) 80$(call force,CFG_WITH_VFP,n) 81$(call force,CFG_WITH_STMM_SP,n) 82$(call force,CFG_TA_BTI,n) 83 84# Enable generic timer 85$(call force,CFG_CORE_HAS_GENERIC_TIMER,y) 86 87core-platform-cppflags += -I$(arch-dir)/include 88core-platform-subdirs += \ 89 $(addprefix $(arch-dir)/, kernel mm tee) $(platform-dir) 90 91# Default values for "-mcmodel", "-march", and "-abi" compiler flags. 92# Platform-specific overrides are in core/arch/riscv/plat-*/conf.mk. 93riscv-platform-mcmodel ?= medany 94rv64-platform-isa ?= rv64imafd 95rv64-platform-abi ?= lp64d 96rv32-platform-isa ?= rv32imafd 97rv32-platform-abi ?= ilp32d 98 99rv64-platform-cflags += -mcmodel=$(riscv-platform-mcmodel) 100rv64-platform-cflags += -march=$(rv64-platform-isa) -mabi=$(rv64-platform-abi) 101rv64-platform-cflags += -Wno-missing-include-dirs 102rv32-platform-cflags += -mcmodel=$(riscv-platform-mcmodel) 103rv32-platform-cflags += -march=$(rv32-platform-isa) -mabi=$(rv32-platform-abi) 104 105rv64-platform-cppflags += -DRV64=1 -D__LP64__=1 106rv32-platform-cppflags += -DRV32=1 -D__ILP32__=1 107 108platform-cflags-generic ?= -ffunction-sections -fdata-sections -pipe 109platform-aflags-generic ?= -pipe 110 111rv64-platform-cflags-generic := -mstrict-align $(call cc-option,) 112 113# Optimize for size by default, usually gives good performance too 114CFG_CC_OPT_LEVEL ?= 0 115platform-cflags-optimization ?= -O$(CFG_CC_OPT_LEVEL) 116 117CFG_DEBUG_INFO ?= y 118ifeq ($(CFG_DEBUG_INFO),y) 119platform-cflags-debug-info ?= -g3 120platform-aflags-debug-info ?= -g 121endif 122 123core-platform-cflags += $(platform-cflags-optimization) 124core-platform-cflags += $(platform-cflags-generic) 125core-platform-cflags += $(platform-cflags-debug-info) 126 127core-platform-aflags += $(platform-aflags-generic) 128core-platform-aflags += $(platform-aflags-debug-info) 129 130ifeq ($(CFG_CORE_ASLR),y) 131core-platform-cflags += -fpie 132endif 133 134ifeq ($(CFG_UNWIND),y) 135core-platform-cppflags += -fno-omit-frame-pointer 136core-platform-cflags += -fno-omit-frame-pointer 137endif 138 139ifeq ($(CFG_RV64_core),y) 140core-platform-cppflags += $(rv64-platform-cppflags) 141core-platform-cflags += $(rv64-platform-cflags) 142core-platform-cflags += $(rv64-platform-cflags-generic) 143core-platform-cflags += $(rv64-platform-cflags-no-hard-float) 144core-platform-aflags += $(rv64-platform-aflags) 145else 146core-platform-cppflags += $(rv32-platform-cppflags) 147core-platform-cflags += $(rv32-platform-cflags) 148core-platform-cflags += $(rv32-platform-cflags-no-hard-float) 149ifeq ($(CFG_UNWIND),y) 150core-platform-cflags += -funwind-tables 151endif 152core-platform-aflags += $(core_rv32-platform-aflags) 153core-platform-aflags += $(rv32-platform-aflags) 154endif 155 156# Provide default supported-ta-targets if not set by the platform config 157ifeq (,$(supported-ta-targets)) 158supported-ta-targets = ta_rv32 159ifeq ($(CFG_RV64_core),y) 160supported-ta-targets += ta_rv64 161endif 162endif 163 164ta-targets := $(if $(CFG_USER_TA_TARGETS),$(filter $(supported-ta-targets),$(CFG_USER_TA_TARGETS)),$(supported-ta-targets)) 165unsup-targets := $(filter-out $(ta-targets),$(CFG_USER_TA_TARGETS)) 166ifneq (,$(unsup-targets)) 167$(error CFG_USER_TA_TARGETS contains unsupported value(s): $(unsup-targets). Valid values: $(supported-ta-targets)) 168endif 169 170ifneq ($(filter ta_rv32,$(ta-targets)),) 171# Variables for ta-target/sm "ta_rv32" 172CFG_RV32_ta_rv32 := y 173arch-bits-ta_rv32 := 32 174ta_rv32-platform-cppflags += $(rv32-platform-cppflags) 175ta_rv32-platform-cflags += $(rv32-platform-cflags) 176ta_rv32-platform-cflags += $(platform-cflags-optimization) 177ta_rv32-platform-cflags += $(platform-cflags-debug-info) 178ta_rv32-platform-cflags += -fpic 179 180ifeq ($(CFG_UNWIND),y) 181ta_rv32-platform-cflags += -fno-omit-frame-pointer 182ta_rv32-platform-cflags += -funwind-tables 183endif 184ta_rv32-platform-aflags += $(platform-aflags-generic) 185ta_rv32-platform-aflags += $(platform-aflags-debug-info) 186ta_rv32-platform-aflags += $(rv32-platform-aflags) 187 188ta_rv32-platform-cxxflags += -fpic 189ta_rv32-platform-cxxflags += $(rv32-platform-cxxflags) 190ta_rv32-platform-cxxflags += $(platform-cflags-optimization) 191ta_rv32-platform-cxxflags += $(platform-cflags-debug-info) 192 193ta-mk-file-export-vars-ta_rv32 += CFG_RV32_ta_rv32 194ta-mk-file-export-vars-ta_rv32 += ta_rv32-platform-cppflags 195ta-mk-file-export-vars-ta_rv32 += ta_rv32-platform-cflags 196ta-mk-file-export-vars-ta_rv32 += ta_rv32-platform-aflags 197ta-mk-file-export-vars-ta_rv32 += ta_rv32-platform-cxxflags 198 199ta-mk-file-export-add-ta_rv32 += CROSS_COMPILE ?= riscv32-unknown-linux-gnu-_nl_ 200ta-mk-file-export-add-ta_rv32 += CROSS_COMPILE32 ?= $$(CROSS_COMPILE)_nl_ 201ta-mk-file-export-add-ta_rv32 += CROSS_COMPILE_ta_rv32 ?= $$(CROSS_COMPILE32)_nl_ 202ta-mk-file-export-add-ta_rv32 += COMPILER ?= gcc_nl_ 203ta-mk-file-export-add-ta_rv32 += COMPILER_ta_rv32 ?= $$(COMPILER)_nl_ 204ta-mk-file-export-add-ta_rv32 += PYTHON3 ?= python3_nl_ 205endif 206 207ifneq ($(filter ta_rv64,$(ta-targets)),) 208# Variables for ta-target/sm "ta_rv64" 209CFG_RV64_ta_rv64 := y 210arch-bits-ta_rv64 := 64 211ta_rv64-platform-cppflags += $(rv64-platform-cppflags) 212ta_rv64-platform-cflags += $(rv64-platform-cflags) 213ta_rv64-platform-cflags += $(platform-cflags-optimization) 214ta_rv64-platform-cflags += $(platform-cflags-debug-info) 215ta_rv64-platform-cflags += -fpic 216ta_rv64-platform-cflags += $(rv64-platform-cflags-generic) 217ifeq ($(CFG_UNWIND),y) 218ta_rv64-platform-cflags += -fno-omit-frame-pointer 219endif 220ifeq ($(rv64-platform-hard-float-enabled),y) 221ta_rv64-platform-cflags += $(rv64-platform-cflags-hard-float) 222else 223ta_rv64-platform-cflags += $(rv64-platform-cflags-no-hard-float) 224endif 225ta_rv64-platform-aflags += $(platform-aflags-generic) 226ta_rv64-platform-aflags += $(platform-aflags-debug-info) 227ta_rv64-platform-aflags += $(rv64-platform-aflags) 228 229ta_rv64-platform-cxxflags += -fpic 230ta_rv64-platform-cxxflags += $(platform-cflags-optimization) 231ta_rv64-platform-cxxflags += $(platform-cflags-debug-info) 232 233ta-mk-file-export-vars-ta_rv64 += CFG_RV64_ta_rv64 234ta-mk-file-export-vars-ta_rv64 += ta_rv64-platform-cppflags 235ta-mk-file-export-vars-ta_rv64 += ta_rv64-platform-cflags 236ta-mk-file-export-vars-ta_rv64 += ta_rv64-platform-aflags 237ta-mk-file-export-vars-ta_rv64 += ta_rv64-platform-cxxflags 238 239ta-mk-file-export-add-ta_rv64 += CROSS_COMPILE64 ?= $$(CROSS_COMPILE)_nl_ 240ta-mk-file-export-add-ta_rv64 += CROSS_COMPILE_ta_rv64 ?= $$(CROSS_COMPILE64)_nl_ 241ta-mk-file-export-add-ta_rv64 += COMPILER ?= gcc_nl_ 242ta-mk-file-export-add-ta_rv64 += COMPILER_ta_rv64 ?= $$(COMPILER)_nl_ 243ta-mk-file-export-add-ta_rv64 += PYTHON3 ?= python3_nl_ 244endif 245 246# Set cross compiler prefix for each TA target 247$(foreach sm, $(ta-targets), $(eval CROSS_COMPILE_$(sm) ?= $(CROSS_COMPILE$(arch-bits-$(sm))))) 248