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