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# Disable unsupported and other arch-specific flags 67$(call force,CFG_CORE_FFA,n) 68$(call force,CFG_SECURE_PARTITION,n) 69$(call force,CFG_PAGED_USER_TA,n) 70$(call force,CFG_WITH_PAGER,n) 71$(call force,CFG_GIC,n) 72$(call force,CFG_ARM_GICV3,n) 73$(call force,CFG_WITH_VFP,n) 74$(call force,CFG_WITH_STMM_SP,n) 75$(call force,CFG_TA_BTI,n) 76 77# Enable generic timer 78$(call force,CFG_CORE_HAS_GENERIC_TIMER,y) 79 80core-platform-cppflags += -I$(arch-dir)/include 81core-platform-subdirs += \ 82 $(addprefix $(arch-dir)/, kernel mm tee) $(platform-dir) 83 84# Default values for "-mcmodel", "-march", and "-abi" compiler flags. 85# Platform-specific overrides are in core/arch/riscv/plat-*/conf.mk. 86riscv-platform-mcmodel ?= medany 87rv64-platform-isa ?= rv64imafd 88rv64-platform-abi ?= lp64d 89rv32-platform-isa ?= rv32imafd 90rv32-platform-abi ?= ilp32d 91 92rv64-platform-cflags += -mcmodel=$(riscv-platform-mcmodel) 93rv64-platform-cflags += -march=$(rv64-platform-isa) -mabi=$(rv64-platform-abi) 94rv64-platform-cflags += -Wno-missing-include-dirs 95rv32-platform-cflags += -mcmodel=$(riscv-platform-mcmodel) 96rv32-platform-cflags += -march=$(rv32-platform-isa) -mabi=$(rv32-platform-abi) 97 98rv64-platform-cppflags += -DRV64=1 -D__LP64__=1 99rv32-platform-cppflags += -DRV32=1 -D__ILP32__=1 100 101platform-cflags-generic ?= -ffunction-sections -fdata-sections -pipe 102platform-aflags-generic ?= -pipe 103 104rv64-platform-cflags-generic := -mstrict-align $(call cc-option,) 105 106# Optimize for size by default, usually gives good performance too 107CFG_CC_OPT_LEVEL ?= 0 108platform-cflags-optimization ?= -O$(CFG_CC_OPT_LEVEL) 109 110CFG_DEBUG_INFO ?= y 111ifeq ($(CFG_DEBUG_INFO),y) 112platform-cflags-debug-info ?= -g3 113platform-aflags-debug-info ?= -g 114endif 115 116core-platform-cflags += $(platform-cflags-optimization) 117core-platform-cflags += $(platform-cflags-generic) 118core-platform-cflags += $(platform-cflags-debug-info) 119 120core-platform-aflags += $(platform-aflags-generic) 121core-platform-aflags += $(platform-aflags-debug-info) 122 123ifeq ($(CFG_CORE_ASLR),y) 124core-platform-cflags += -fpie 125endif 126 127ifeq ($(CFG_UNWIND),y) 128core-platform-cppflags += -fno-omit-frame-pointer 129core-platform-cflags += -fno-omit-frame-pointer 130endif 131 132ifeq ($(CFG_RV64_core),y) 133core-platform-cppflags += $(rv64-platform-cppflags) 134core-platform-cflags += $(rv64-platform-cflags) 135core-platform-cflags += $(rv64-platform-cflags-generic) 136core-platform-cflags += $(rv64-platform-cflags-no-hard-float) 137core-platform-aflags += $(rv64-platform-aflags) 138else 139core-platform-cppflags += $(rv32-platform-cppflags) 140core-platform-cflags += $(rv32-platform-cflags) 141core-platform-cflags += $(rv32-platform-cflags-no-hard-float) 142ifeq ($(CFG_UNWIND),y) 143core-platform-cflags += -funwind-tables 144endif 145core-platform-aflags += $(core_rv32-platform-aflags) 146core-platform-aflags += $(rv32-platform-aflags) 147endif 148 149# Provide default supported-ta-targets if not set by the platform config 150ifeq (,$(supported-ta-targets)) 151supported-ta-targets = ta_rv32 152ifeq ($(CFG_RV64_core),y) 153supported-ta-targets += ta_rv64 154endif 155endif 156 157ta-targets := $(if $(CFG_USER_TA_TARGETS),$(filter $(supported-ta-targets),$(CFG_USER_TA_TARGETS)),$(supported-ta-targets)) 158unsup-targets := $(filter-out $(ta-targets),$(CFG_USER_TA_TARGETS)) 159ifneq (,$(unsup-targets)) 160$(error CFG_USER_TA_TARGETS contains unsupported value(s): $(unsup-targets). Valid values: $(supported-ta-targets)) 161endif 162 163ifneq ($(filter ta_rv32,$(ta-targets)),) 164# Variables for ta-target/sm "ta_rv32" 165CFG_RV32_ta_rv32 := y 166arch-bits-ta_rv32 := 32 167ta_rv32-platform-cppflags += $(rv32-platform-cppflags) 168ta_rv32-platform-cflags += $(rv32-platform-cflags) 169ta_rv32-platform-cflags += $(platform-cflags-optimization) 170ta_rv32-platform-cflags += $(platform-cflags-debug-info) 171ta_rv32-platform-cflags += -fpic 172 173ifeq ($(CFG_UNWIND),y) 174ta_rv32-platform-cflags += -fno-omit-frame-pointer 175ta_rv32-platform-cflags += -funwind-tables 176endif 177ta_rv32-platform-aflags += $(platform-aflags-generic) 178ta_rv32-platform-aflags += $(platform-aflags-debug-info) 179ta_rv32-platform-aflags += $(rv32-platform-aflags) 180 181ta_rv32-platform-cxxflags += -fpic 182ta_rv32-platform-cxxflags += $(rv32-platform-cxxflags) 183ta_rv32-platform-cxxflags += $(platform-cflags-optimization) 184ta_rv32-platform-cxxflags += $(platform-cflags-debug-info) 185 186ta-mk-file-export-vars-ta_rv32 += CFG_RV32_ta_rv32 187ta-mk-file-export-vars-ta_rv32 += ta_rv32-platform-cppflags 188ta-mk-file-export-vars-ta_rv32 += ta_rv32-platform-cflags 189ta-mk-file-export-vars-ta_rv32 += ta_rv32-platform-aflags 190ta-mk-file-export-vars-ta_rv32 += ta_rv32-platform-cxxflags 191 192ta-mk-file-export-add-ta_rv32 += CROSS_COMPILE ?= riscv32-unknown-linux-gnu-_nl_ 193ta-mk-file-export-add-ta_rv32 += CROSS_COMPILE32 ?= $$(CROSS_COMPILE)_nl_ 194ta-mk-file-export-add-ta_rv32 += CROSS_COMPILE_ta_rv32 ?= $$(CROSS_COMPILE32)_nl_ 195ta-mk-file-export-add-ta_rv32 += COMPILER ?= gcc_nl_ 196ta-mk-file-export-add-ta_rv32 += COMPILER_ta_rv32 ?= $$(COMPILER)_nl_ 197ta-mk-file-export-add-ta_rv32 += PYTHON3 ?= python3_nl_ 198endif 199 200ifneq ($(filter ta_rv64,$(ta-targets)),) 201# Variables for ta-target/sm "ta_rv64" 202CFG_RV64_ta_rv64 := y 203arch-bits-ta_rv64 := 64 204ta_rv64-platform-cppflags += $(rv64-platform-cppflags) 205ta_rv64-platform-cflags += $(rv64-platform-cflags) 206ta_rv64-platform-cflags += $(platform-cflags-optimization) 207ta_rv64-platform-cflags += $(platform-cflags-debug-info) 208ta_rv64-platform-cflags += -fpic 209ta_rv64-platform-cflags += $(rv64-platform-cflags-generic) 210ifeq ($(CFG_UNWIND),y) 211ta_rv64-platform-cflags += -fno-omit-frame-pointer 212endif 213ifeq ($(rv64-platform-hard-float-enabled),y) 214ta_rv64-platform-cflags += $(rv64-platform-cflags-hard-float) 215else 216ta_rv64-platform-cflags += $(rv64-platform-cflags-no-hard-float) 217endif 218ta_rv64-platform-aflags += $(platform-aflags-generic) 219ta_rv64-platform-aflags += $(platform-aflags-debug-info) 220ta_rv64-platform-aflags += $(rv64-platform-aflags) 221 222ta_rv64-platform-cxxflags += -fpic 223ta_rv64-platform-cxxflags += $(platform-cflags-optimization) 224ta_rv64-platform-cxxflags += $(platform-cflags-debug-info) 225 226ta-mk-file-export-vars-ta_rv64 += CFG_RV64_ta_rv64 227ta-mk-file-export-vars-ta_rv64 += ta_rv64-platform-cppflags 228ta-mk-file-export-vars-ta_rv64 += ta_rv64-platform-cflags 229ta-mk-file-export-vars-ta_rv64 += ta_rv64-platform-aflags 230ta-mk-file-export-vars-ta_rv64 += ta_rv64-platform-cxxflags 231 232ta-mk-file-export-add-ta_rv64 += CROSS_COMPILE64 ?= $$(CROSS_COMPILE)_nl_ 233ta-mk-file-export-add-ta_rv64 += CROSS_COMPILE_ta_rv64 ?= $$(CROSS_COMPILE64)_nl_ 234ta-mk-file-export-add-ta_rv64 += COMPILER ?= gcc_nl_ 235ta-mk-file-export-add-ta_rv64 += COMPILER_ta_rv64 ?= $$(COMPILER)_nl_ 236ta-mk-file-export-add-ta_rv64 += PYTHON3 ?= python3_nl_ 237endif 238 239# Set cross compiler prefix for each TA target 240$(foreach sm, $(ta-targets), $(eval CROSS_COMPILE_$(sm) ?= $(CROSS_COMPILE$(arch-bits-$(sm))))) 241