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