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