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# more convenient to move it to platform instead 75rv64-platform-cppflags += -mcmodel=medany -march=rv64imafd -mabi=lp64d 76rv64-platform-cppflags += -Wno-missing-include-dirs 77 78rv64-platform-cppflags += -DRV64=1 -D__LP64__=1 79rv32-platform-cppflags += -DRV32=1 -D__ILP32__=1 80 81platform-cflags-generic ?= -ffunction-sections -fdata-sections -pipe 82platform-aflags-generic ?= -pipe 83 84rv64-platform-cflags-generic := -mstrict-align $(call cc-option,) 85 86# Optimize for size by default, usually gives good performance too 87CFG_CC_OPT_LEVEL ?= 0 88platform-cflags-optimization ?= -O$(CFG_CC_OPT_LEVEL) 89 90CFG_DEBUG_INFO ?= y 91ifeq ($(CFG_DEBUG_INFO),y) 92platform-cflags-debug-info ?= -g3 93platform-aflags-debug-info ?= -g 94endif 95 96core-platform-cflags += $(platform-cflags-optimization) 97core-platform-cflags += $(platform-cflags-generic) 98core-platform-cflags += $(platform-cflags-debug-info) 99 100core-platform-aflags += $(platform-aflags-generic) 101core-platform-aflags += $(platform-aflags-debug-info) 102 103ifeq ($(CFG_CORE_ASLR),y) 104core-platform-cflags += -fpie 105endif 106 107ifeq ($(CFG_RV64_core),y) 108core-platform-cppflags += $(rv64-platform-cppflags) 109core-platform-cflags += $(rv64-platform-cflags) 110core-platform-cflags += $(rv64-platform-cflags-generic) 111core-platform-cflags += $(rv64-platform-cflags-no-hard-float) 112core-platform-aflags += $(rv64-platform-aflags) 113else 114core-platform-cppflags += $(rv32-platform-cppflags) 115core-platform-cflags += $(rv32-platform-cflags) 116core-platform-cflags += $(rv32-platform-cflags-no-hard-float) 117ifeq ($(CFG_UNWIND),y) 118core-platform-cflags += -funwind-tables 119endif 120core-platform-aflags += $(core_rv32-platform-aflags) 121core-platform-aflags += $(rv32-platform-aflags) 122endif 123 124# Provide default supported-ta-targets if not set by the platform config 125ifeq (,$(supported-ta-targets)) 126supported-ta-targets = ta_rv32 127ifeq ($(CFG_RV64_core),y) 128supported-ta-targets += ta_rv64 129endif 130endif 131 132ta-targets := $(if $(CFG_USER_TA_TARGETS),$(filter $(supported-ta-targets),$(CFG_USER_TA_TARGETS)),$(supported-ta-targets)) 133unsup-targets := $(filter-out $(ta-targets),$(CFG_USER_TA_TARGETS)) 134ifneq (,$(unsup-targets)) 135$(error CFG_USER_TA_TARGETS contains unsupported value(s): $(unsup-targets). Valid values: $(supported-ta-targets)) 136endif 137 138ifneq ($(filter ta_rv32,$(ta-targets)),) 139# Variables for ta-target/sm "ta_rv32" 140CFG_RV32_ta_rv32 := y 141arch-bits-ta_rv32 := 32 142ta_rv32-platform-cppflags += $(rv32-platform-cppflags) 143ta_rv32-platform-cflags += $(rv32-platform-cflags) 144ta_rv32-platform-cflags += $(platform-cflags-optimization) 145ta_rv32-platform-cflags += $(platform-cflags-debug-info) 146ta_rv32-platform-cflags += -fpic 147 148ifeq ($(CFG_UNWIND),y) 149ta_rv32-platform-cflags += -funwind-tables 150endif 151ta_rv32-platform-aflags += $(platform-aflags-generic) 152ta_rv32-platform-aflags += $(platform-aflags-debug-info) 153ta_rv32-platform-aflags += $(rv32-platform-aflags) 154 155ta_rv32-platform-cxxflags += -fpic 156ta_rv32-platform-cxxflags += $(rv32-platform-cxxflags) 157ta_rv32-platform-cxxflags += $(platform-cflags-optimization) 158ta_rv32-platform-cxxflags += $(platform-cflags-debug-info) 159 160ta-mk-file-export-vars-ta_rv32 += CFG_RV32_ta_rv32 161ta-mk-file-export-vars-ta_rv32 += ta_rv32-platform-cppflags 162ta-mk-file-export-vars-ta_rv32 += ta_rv32-platform-cflags 163ta-mk-file-export-vars-ta_rv32 += ta_rv32-platform-aflags 164ta-mk-file-export-vars-ta_rv32 += ta_rv32-platform-cxxflags 165 166ta-mk-file-export-add-ta_rv32 += CROSS_COMPILE ?= riscv32-unknown-linux-gnu-_nl_ 167ta-mk-file-export-add-ta_rv32 += CROSS_COMPILE32 ?= $$(CROSS_COMPILE)_nl_ 168ta-mk-file-export-add-ta_rv32 += CROSS_COMPILE_ta_rv32 ?= $$(CROSS_COMPILE32)_nl_ 169ta-mk-file-export-add-ta_rv32 += COMPILER ?= gcc_nl_ 170ta-mk-file-export-add-ta_rv32 += COMPILER_ta_rv32 ?= $$(COMPILER)_nl_ 171ta-mk-file-export-add-ta_rv32 += PYTHON3 ?= python3_nl_ 172endif 173 174ifneq ($(filter ta_rv64,$(ta-targets)),) 175# Variables for ta-target/sm "ta_rv64" 176CFG_RV64_ta_rv64 := y 177arch-bits-ta_rv64 := 64 178ta_rv64-platform-cppflags += $(rv64-platform-cppflags) 179ta_rv64-platform-cflags += $(rv64-platform-cflags) 180ta_rv64-platform-cflags += $(platform-cflags-optimization) 181ta_rv64-platform-cflags += $(platform-cflags-debug-info) 182ta_rv64-platform-cflags += -fpic 183ta_rv64-platform-cflags += $(rv64-platform-cflags-generic) 184ifeq ($(rv64-platform-hard-float-enabled),y) 185ta_rv64-platform-cflags += $(rv64-platform-cflags-hard-float) 186else 187ta_rv64-platform-cflags += $(rv64-platform-cflags-no-hard-float) 188endif 189ta_rv64-platform-aflags += $(platform-aflags-generic) 190ta_rv64-platform-aflags += $(platform-aflags-debug-info) 191ta_rv64-platform-aflags += $(rv64-platform-aflags) 192 193ta_rv64-platform-cxxflags += -fpic 194ta_rv64-platform-cxxflags += $(platform-cflags-optimization) 195ta_rv64-platform-cxxflags += $(platform-cflags-debug-info) 196 197ta-mk-file-export-vars-ta_rv64 += CFG_RV64_ta_rv64 198ta-mk-file-export-vars-ta_rv64 += ta_rv64-platform-cppflags 199ta-mk-file-export-vars-ta_rv64 += ta_rv64-platform-cflags 200ta-mk-file-export-vars-ta_rv64 += ta_rv64-platform-aflags 201ta-mk-file-export-vars-ta_rv64 += ta_rv64-platform-cxxflags 202 203ta-mk-file-export-add-ta_rv64 += CROSS_COMPILE64 ?= $$(CROSS_COMPILE)_nl_ 204ta-mk-file-export-add-ta_rv64 += CROSS_COMPILE_ta_rv64 ?= $$(CROSS_COMPILE64)_nl_ 205ta-mk-file-export-add-ta_rv64 += COMPILER ?= gcc_nl_ 206ta-mk-file-export-add-ta_rv64 += COMPILER_ta_rv64 ?= $$(COMPILER)_nl_ 207ta-mk-file-export-add-ta_rv64 += PYTHON3 ?= python3_nl_ 208endif 209 210# Set cross compiler prefix for each TA target 211$(foreach sm, $(ta-targets), $(eval CROSS_COMPILE_$(sm) ?= $(CROSS_COMPILE$(arch-bits-$(sm))))) 212