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 59core-platform-cppflags += -I$(arch-dir)/include 60core-platform-subdirs += \ 61 $(addprefix $(arch-dir)/, kernel) $(platform-dir) 62 63# more convenient to move it to platform instead 64rv64-platform-cppflags += -mcmodel=medany -march=rv64imafd -mabi=lp64d 65rv64-platform-cppflags += -Wno-missing-include-dirs 66 67rv64-platform-cppflags += -DRV64=1 -D__LP64__=1 68rv32-platform-cppflags += -DRV32=1 -D__ILP32__=1 69 70platform-cflags-generic ?= -ffunction-sections -fdata-sections -pipe 71platform-aflags-generic ?= -pipe 72 73rv64-platform-cflags-generic := -mstrict-align $(call cc-option,) 74 75# Optimize for size by default, usually gives good performance too 76CFG_CC_OPT_LEVEL ?= 0 77platform-cflags-optimization ?= -O$(CFG_CC_OPT_LEVEL) 78 79CFG_DEBUG_INFO ?= y 80ifeq ($(CFG_DEBUG_INFO),y) 81platform-cflags-debug-info ?= -g3 82platform-aflags-debug-info ?= -g 83endif 84 85core-platform-cflags += $(platform-cflags-optimization) 86core-platform-cflags += $(platform-cflags-generic) 87core-platform-cflags += $(platform-cflags-debug-info) 88 89core-platform-aflags += $(platform-aflags-generic) 90core-platform-aflags += $(platform-aflags-debug-info) 91 92ifeq ($(CFG_CORE_ASLR),y) 93core-platform-cflags += -fpie 94endif 95 96ifeq ($(CFG_RV64_core),y) 97core-platform-cppflags += $(rv64-platform-cppflags) 98core-platform-cflags += $(rv64-platform-cflags) 99core-platform-cflags += $(rv64-platform-cflags-generic) 100core-platform-cflags += $(rv64-platform-cflags-no-hard-float) 101core-platform-aflags += $(rv64-platform-aflags) 102else 103core-platform-cppflags += $(rv32-platform-cppflags) 104core-platform-cflags += $(rv32-platform-cflags) 105core-platform-cflags += $(rv32-platform-cflags-no-hard-float) 106ifeq ($(CFG_UNWIND),y) 107core-platform-cflags += -funwind-tables 108endif 109core-platform-aflags += $(core_rv32-platform-aflags) 110core-platform-aflags += $(rv32-platform-aflags) 111endif 112 113# Provide default supported-ta-targets if not set by the platform config 114ifeq (,$(supported-ta-targets)) 115supported-ta-targets = ta_rv32 116ifeq ($(CFG_RV64_core),y) 117supported-ta-targets += ta_rv64 118endif 119endif 120 121ta-targets := $(if $(CFG_USER_TA_TARGETS),$(filter $(supported-ta-targets),$(CFG_USER_TA_TARGETS)),$(supported-ta-targets)) 122unsup-targets := $(filter-out $(ta-targets),$(CFG_USER_TA_TARGETS)) 123ifneq (,$(unsup-targets)) 124$(error CFG_USER_TA_TARGETS contains unsupported value(s): $(unsup-targets). Valid values: $(supported-ta-targets)) 125endif 126 127ifneq ($(filter ta_rv32,$(ta-targets)),) 128# Variables for ta-target/sm "ta_rv32" 129CFG_RV32_ta_rv32 := y 130arch-bits-ta_rv32 := 32 131ta_rv32-platform-cppflags += $(rv32-platform-cppflags) 132ta_rv32-platform-cflags += $(rv32-platform-cflags) 133ta_rv32-platform-cflags += $(platform-cflags-optimization) 134ta_rv32-platform-cflags += $(platform-cflags-debug-info) 135ta_rv32-platform-cflags += -fpic 136 137ifeq ($(CFG_UNWIND),y) 138ta_rv32-platform-cflags += -funwind-tables 139endif 140ta_rv32-platform-aflags += $(platform-aflags-generic) 141ta_rv32-platform-aflags += $(platform-aflags-debug-info) 142ta_rv32-platform-aflags += $(rv32-platform-aflags) 143 144ta_rv32-platform-cxxflags += -fpic 145ta_rv32-platform-cxxflags += $(rv32-platform-cxxflags) 146ta_rv32-platform-cxxflags += $(platform-cflags-optimization) 147ta_rv32-platform-cxxflags += $(platform-cflags-debug-info) 148 149ta-mk-file-export-vars-ta_rv32 += CFG_RV32_ta_rv32 150ta-mk-file-export-vars-ta_rv32 += ta_rv32-platform-cppflags 151ta-mk-file-export-vars-ta_rv32 += ta_rv32-platform-cflags 152ta-mk-file-export-vars-ta_rv32 += ta_rv32-platform-aflags 153ta-mk-file-export-vars-ta_rv32 += ta_rv32-platform-cxxflags 154 155ta-mk-file-export-add-ta_rv32 += CROSS_COMPILE ?= riscv32-unknown-linux-gnu-_nl_ 156ta-mk-file-export-add-ta_rv32 += CROSS_COMPILE32 ?= $$(CROSS_COMPILE)_nl_ 157ta-mk-file-export-add-ta_rv32 += CROSS_COMPILE_ta_rv32 ?= $$(CROSS_COMPILE32)_nl_ 158ta-mk-file-export-add-ta_rv32 += COMPILER ?= gcc_nl_ 159ta-mk-file-export-add-ta_rv32 += COMPILER_ta_rv32 ?= $$(COMPILER)_nl_ 160ta-mk-file-export-add-ta_rv32 += PYTHON3 ?= python3_nl_ 161endif 162 163ifneq ($(filter ta_rv64,$(ta-targets)),) 164# Variables for ta-target/sm "ta_rv64" 165CFG_RV64_ta_rv64 := y 166arch-bits-ta_rv64 := 64 167ta_rv64-platform-cppflags += $(rv64-platform-cppflags) 168ta_rv64-platform-cflags += $(rv64-platform-cflags) 169ta_rv64-platform-cflags += $(platform-cflags-optimization) 170ta_rv64-platform-cflags += $(platform-cflags-debug-info) 171ta_rv64-platform-cflags += -fpic 172ta_rv64-platform-cflags += $(rv64-platform-cflags-generic) 173ifeq ($(rv64-platform-hard-float-enabled),y) 174ta_rv64-platform-cflags += $(rv64-platform-cflags-hard-float) 175else 176ta_rv64-platform-cflags += $(rv64-platform-cflags-no-hard-float) 177endif 178ta_rv64-platform-aflags += $(platform-aflags-generic) 179ta_rv64-platform-aflags += $(platform-aflags-debug-info) 180ta_rv64-platform-aflags += $(rv64-platform-aflags) 181 182ta_rv64-platform-cxxflags += -fpic 183ta_rv64-platform-cxxflags += $(platform-cflags-optimization) 184ta_rv64-platform-cxxflags += $(platform-cflags-debug-info) 185 186ta-mk-file-export-vars-ta_rv64 += CFG_RV64_ta_rv64 187ta-mk-file-export-vars-ta_rv64 += ta_rv64-platform-cppflags 188ta-mk-file-export-vars-ta_rv64 += ta_rv64-platform-cflags 189ta-mk-file-export-vars-ta_rv64 += ta_rv64-platform-aflags 190ta-mk-file-export-vars-ta_rv64 += ta_rv64-platform-cxxflags 191 192ta-mk-file-export-add-ta_rv64 += CROSS_COMPILE64 ?= $$(CROSS_COMPILE)_nl_ 193ta-mk-file-export-add-ta_rv64 += CROSS_COMPILE_ta_rv64 ?= $$(CROSS_COMPILE64)_nl_ 194ta-mk-file-export-add-ta_rv64 += COMPILER ?= gcc_nl_ 195ta-mk-file-export-add-ta_rv64 += COMPILER_ta_rv64 ?= $$(COMPILER)_nl_ 196ta-mk-file-export-add-ta_rv64 += PYTHON3 ?= python3_nl_ 197endif 198 199# Set cross compiler prefix for each TA target 200$(foreach sm, $(ta-targets), $(eval CROSS_COMPILE_$(sm) ?= $(CROSS_COMPILE$(arch-bits-$(sm))))) 201