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$(call force,CFG_CORE_RWDATA_NOEXEC,y) 34endif 35 36core-platform-cppflags += -I$(arch-dir)/include 37core-platform-subdirs += \ 38 $(addprefix $(arch-dir)/, kernel) $(platform-dir) 39 40# more convenient to move it to platform instead 41rv64-platform-cppflags += -mcmodel=medany -march=rv64imafd -mabi=lp64d 42rv64-platform-cppflags += -Wno-missing-include-dirs 43 44rv64-platform-cppflags += -DRV64=1 -D__LP64__=1 45rv32-platform-cppflags += -DRV32=1 -D__ILP32__=1 46 47platform-cflags-generic ?= -ffunction-sections -fdata-sections -pipe 48platform-aflags-generic ?= -pipe 49 50rv64-platform-cflags-generic := -mstrict-align $(call cc-option,) 51 52# Optimize for size by default, usually gives good performance too 53CFG_CC_OPT_LEVEL ?= 0 54platform-cflags-optimization ?= -O$(CFG_CC_OPT_LEVEL) 55 56CFG_DEBUG_INFO ?= y 57ifeq ($(CFG_DEBUG_INFO),y) 58platform-cflags-debug-info ?= -g3 59platform-aflags-debug-info ?= -g 60endif 61 62core-platform-cflags += $(platform-cflags-optimization) 63core-platform-cflags += $(platform-cflags-generic) 64core-platform-cflags += $(platform-cflags-debug-info) 65 66core-platform-aflags += $(platform-aflags-generic) 67core-platform-aflags += $(platform-aflags-debug-info) 68 69ifeq ($(CFG_CORE_ASLR),y) 70core-platform-cflags += -fpie 71endif 72 73ifeq ($(CFG_RV64_core),y) 74core-platform-cppflags += $(rv64-platform-cppflags) 75core-platform-cflags += $(rv64-platform-cflags) 76core-platform-cflags += $(rv64-platform-cflags-generic) 77core-platform-cflags += $(rv64-platform-cflags-no-hard-float) 78core-platform-aflags += $(rv64-platform-aflags) 79else 80core-platform-cppflags += $(rv32-platform-cppflags) 81core-platform-cflags += $(rv32-platform-cflags) 82core-platform-cflags += $(rv32-platform-cflags-no-hard-float) 83ifeq ($(CFG_UNWIND),y) 84core-platform-cflags += -funwind-tables 85endif 86core-platform-aflags += $(core_rv32-platform-aflags) 87core-platform-aflags += $(rv32-platform-aflags) 88endif 89 90# Provide default supported-ta-targets if not set by the platform config 91ifeq (,$(supported-ta-targets)) 92supported-ta-targets = ta_rv32 93ifeq ($(CFG_RV64_core),y) 94supported-ta-targets += ta_rv64 95endif 96endif 97 98ta-targets := $(if $(CFG_USER_TA_TARGETS),$(filter $(supported-ta-targets),$(CFG_USER_TA_TARGETS)),$(supported-ta-targets)) 99unsup-targets := $(filter-out $(ta-targets),$(CFG_USER_TA_TARGETS)) 100ifneq (,$(unsup-targets)) 101$(error CFG_USER_TA_TARGETS contains unsupported value(s): $(unsup-targets). Valid values: $(supported-ta-targets)) 102endif 103 104ifneq ($(filter ta_rv32,$(ta-targets)),) 105# Variables for ta-target/sm "ta_rv32" 106CFG_RV32_ta_rv32 := y 107arch-bits-ta_rv32 := 32 108ta_rv32-platform-cppflags += $(rv32-platform-cppflags) 109ta_rv32-platform-cflags += $(rv32-platform-cflags) 110ta_rv32-platform-cflags += $(platform-cflags-optimization) 111ta_rv32-platform-cflags += $(platform-cflags-debug-info) 112ta_rv32-platform-cflags += -fpic 113 114ifeq ($(CFG_UNWIND),y) 115ta_rv32-platform-cflags += -funwind-tables 116endif 117ta_rv32-platform-aflags += $(platform-aflags-generic) 118ta_rv32-platform-aflags += $(platform-aflags-debug-info) 119ta_rv32-platform-aflags += $(rv32-platform-aflags) 120 121ta_rv32-platform-cxxflags += -fpic 122ta_rv32-platform-cxxflags += $(rv32-platform-cxxflags) 123ta_rv32-platform-cxxflags += $(platform-cflags-optimization) 124ta_rv32-platform-cxxflags += $(platform-cflags-debug-info) 125 126ta-mk-file-export-vars-ta_rv32 += CFG_RV32_ta_rv32 127ta-mk-file-export-vars-ta_rv32 += ta_rv32-platform-cppflags 128ta-mk-file-export-vars-ta_rv32 += ta_rv32-platform-cflags 129ta-mk-file-export-vars-ta_rv32 += ta_rv32-platform-aflags 130ta-mk-file-export-vars-ta_rv32 += ta_rv32-platform-cxxflags 131 132ta-mk-file-export-add-ta_rv32 += CROSS_COMPILE ?= riscv32-unknown-linux-gnu-_nl_ 133ta-mk-file-export-add-ta_rv32 += CROSS_COMPILE32 ?= $$(CROSS_COMPILE)_nl_ 134ta-mk-file-export-add-ta_rv32 += CROSS_COMPILE_ta_rv32 ?= $$(CROSS_COMPILE32)_nl_ 135ta-mk-file-export-add-ta_rv32 += COMPILER ?= gcc_nl_ 136ta-mk-file-export-add-ta_rv32 += COMPILER_ta_rv32 ?= $$(COMPILER)_nl_ 137ta-mk-file-export-add-ta_rv32 += PYTHON3 ?= python3_nl_ 138endif 139 140ifneq ($(filter ta_rv64,$(ta-targets)),) 141# Variables for ta-target/sm "ta_rv64" 142CFG_RV64_ta_rv64 := y 143arch-bits-ta_rv64 := 64 144ta_rv64-platform-cppflags += $(rv64-platform-cppflags) 145ta_rv64-platform-cflags += $(rv64-platform-cflags) 146ta_rv64-platform-cflags += $(platform-cflags-optimization) 147ta_rv64-platform-cflags += $(platform-cflags-debug-info) 148ta_rv64-platform-cflags += -fpic 149ta_rv64-platform-cflags += $(rv64-platform-cflags-generic) 150ifeq ($(rv64-platform-hard-float-enabled),y) 151ta_rv64-platform-cflags += $(rv64-platform-cflags-hard-float) 152else 153ta_rv64-platform-cflags += $(rv64-platform-cflags-no-hard-float) 154endif 155ta_rv64-platform-aflags += $(platform-aflags-generic) 156ta_rv64-platform-aflags += $(platform-aflags-debug-info) 157ta_rv64-platform-aflags += $(rv64-platform-aflags) 158 159ta_rv64-platform-cxxflags += -fpic 160ta_rv64-platform-cxxflags += $(platform-cflags-optimization) 161ta_rv64-platform-cxxflags += $(platform-cflags-debug-info) 162 163ta-mk-file-export-vars-ta_rv64 += CFG_RV64_ta_rv64 164ta-mk-file-export-vars-ta_rv64 += ta_rv64-platform-cppflags 165ta-mk-file-export-vars-ta_rv64 += ta_rv64-platform-cflags 166ta-mk-file-export-vars-ta_rv64 += ta_rv64-platform-aflags 167ta-mk-file-export-vars-ta_rv64 += ta_rv64-platform-cxxflags 168 169ta-mk-file-export-add-ta_rv64 += CROSS_COMPILE64 ?= $$(CROSS_COMPILE)_nl_ 170ta-mk-file-export-add-ta_rv64 += CROSS_COMPILE_ta_rv64 ?= $$(CROSS_COMPILE64)_nl_ 171ta-mk-file-export-add-ta_rv64 += COMPILER ?= gcc_nl_ 172ta-mk-file-export-add-ta_rv64 += COMPILER_ta_rv64 ?= $$(COMPILER)_nl_ 173ta-mk-file-export-add-ta_rv64 += PYTHON3 ?= python3_nl_ 174endif 175 176# Set cross compiler prefix for each TA target 177$(foreach sm, $(ta-targets), $(eval CROSS_COMPILE_$(sm) ?= $(CROSS_COMPILE$(arch-bits-$(sm))))) 178