## SPDX-License-Identifier: GPL-2.0-only ################################################################################ ## RISC-V specific options ################################################################################ ifeq ($(CONFIG_ARCH_RISCV),y) ifeq ($(CONFIG_ARCH_RAMSTAGE_RISCV),y) check-ramstage-overlap-regions += stack endif riscv_flags = -I$(src)/arch/riscv/ ifeq ($(CONFIG_ARCH_RISCV_RV64),y) _rv_flags += -D__riscv -D__riscv_xlen=64 -D__riscv_flen=64 else ifeq ($(CONFIG_ARCH_RISCV_RV32),y) _rv_flags += -D__riscv -D__riscv_xlen=32 -D__riscv_flen=32 else $(error "You need to select ARCH_RISCV_RV64 or ARCH_RISCV_RV32") endif endif # Needed for -print-libgcc-file-name which gets confused about all those arch # suffixes in ARCH_SUFFIX_riscv. simple_riscv_flags = $(riscv_flags) ifeq ($(CONFIG_COMPILER_GCC),y) MARCH_SUFFIX=$(ARCH_SUFFIX_riscv) else MARCH_SUFFIX= endif ifeq ($(CCC_ANALYZER_OUTPUT_FORMAT),) riscv_flags += -march=$(CONFIG_RISCV_ARCH)$(MARCH_SUFFIX) -mabi=$(CONFIG_RISCV_ABI) -mcmodel=$(CONFIG_RISCV_CODEMODEL) simple_riscv_flags += -march=$(CONFIG_RISCV_ARCH) -mabi=$(CONFIG_RISCV_ABI) -mcmodel=$(CONFIG_RISCV_CODEMODEL) else riscv_flags += $(_rv_flags) simple_riscv_flags += $(_rv_flags) endif riscv_asm_flags = -march=$(CONFIG_RISCV_ARCH)$(MARCH_SUFFIX) -mabi=$(CONFIG_RISCV_ABI) COMPILER_RT_bootblock = $(shell $(GCC_bootblock) $(simple_riscv_flags) -print-libgcc-file-name) COMPILER_RT_romstage = $(shell $(GCC_romstage) $(simple_riscv_flags) -print-libgcc-file-name) COMPILER_RT_ramstage = $(shell $(GCC_ramstage) $(simple_riscv_flags) -print-libgcc-file-name) ## All stages all-y += trap_util.S all-y += trap_handler.c all-y += fp_asm.S all-y += misaligned.c all-y += sbi.c all-y += mcall.c all-y += virtual_memory.c all-y += boot.c all-y += smp.c all-y += misc.c all-$(ARCH_RISCV_PMP) += pmp.c all-y += \ $(top)/src/lib/memchr.c \ $(top)/src/lib/memcmp.c \ $(top)/src/lib/memcpy.c \ $(top)/src/lib/memmove.c \ $(top)/src/lib/memset.c all-$(CONFIG_RISCV_USE_ARCH_TIMER) += arch_timer.c ################################################################################ ## bootblock ################################################################################ ifeq ($(CONFIG_ARCH_BOOTBLOCK_RISCV),y) bootblock-y = bootblock.S $(objcbfs)/bootblock.debug: $$(bootblock-objs) @printf " LINK $(subst $(obj)/,,$(@))\n" $(LD_bootblock) $(LDFLAGS_bootblock) -o $@ -L$(obj) \ -T $(call src-to-obj,bootblock,$(CONFIG_MEMLAYOUT_LD_FILE)) --whole-archive --start-group $(filter-out %.ld,$(bootblock-objs)) \ $(LIBGCC_FILE_NAME_bootblock) --end-group $(COMPILER_RT_bootblock) bootblock-c-ccopts += $(riscv_flags) bootblock-S-ccopts += $(riscv_asm_flags) ifeq ($(CONFIG_ARCH_RISCV_RV32),y) LDFLAGS_bootblock += -m elf32lriscv endif #CONFIG_ARCH_RISCV_RV32 endif #CONFIG_ARCH_BOOTBLOCK_RISCV ################################################################################ ## romstage ################################################################################ ifeq ($(CONFIG_ARCH_ROMSTAGE_RISCV),y) romstage-y += romstage.c # Build the romstage $(objcbfs)/romstage.debug: $$(romstage-objs) @printf " LINK $(subst $(obj)/,,$(@))\n" $(LD_romstage) $(LDFLAGS_romstage) -o $@ -L$(obj) -T $(call src-to-obj,romstage,$(CONFIG_MEMLAYOUT_LD_FILE)) --whole-archive --start-group $(filter-out %.ld,$(romstage-objs)) --end-group $(COMPILER_RT_romstage) romstage-c-ccopts += $(riscv_flags) romstage-S-ccopts += $(riscv_asm_flags) ifeq ($(CONFIG_ARCH_RISCV_RV32),y) LDFLAGS_romstage += -m elf32lriscv endif #CONFIG_ARCH_RISCV_RV32 endif #CONFIG_ARCH_ROMSTAGE_RISCV ################################################################################ ## ramstage ################################################################################ ifeq ($(CONFIG_ARCH_RAMSTAGE_RISCV),y) ramstage-y = ramstage-y += ramstage.S ramstage-y += tables.c ramstage-y += payload.c ramstage-y += fit_payload.c $(eval $(call create_class_compiler,rmodules,riscv)) ramstage-srcs += src/mainboard/$(MAINBOARDDIR)/mainboard.c # Build the ramstage $(objcbfs)/ramstage.debug: $$(ramstage-objs) @printf " CC $(subst $(obj)/,,$(@))\n" $(LD_ramstage) $(LDFLAGS_ramstage) -o $@ -L$(obj) -T $(call src-to-obj,ramstage,$(CONFIG_MEMLAYOUT_LD_FILE)) --whole-archive --start-group $(filter-out %.ld,$(ramstage-objs)) --end-group $(COMPILER_RT_ramstage) ramstage-c-ccopts += $(riscv_flags) ramstage-S-ccopts += $(riscv_asm_flags) ifeq ($(CONFIG_ARCH_RISCV_RV32),y) LDFLAGS_ramstage += -m elf32lriscv endif #CONFIG_ARCH_RISCV_RV32 endif #CONFIG_ARCH_RAMSTAGE_RISCV ifeq ($(CONFIG_RISCV_OPENSBI),y) OPENSBI_SOURCE := $(top)/3rdparty/opensbi OPENSBI_BUILD := $(abspath $(obj)/3rdparty/opensbi) OPENSBI_TARGET := $(OPENSBI_BUILD)/platform/$(CONFIG_OPENSBI_PLATFORM)/firmware/fw_dynamic.elf OPENSBI := $(obj)/opensbi.elf # TODO: Building with clang has troubles finding the proper linker. # Always use GCC for now. $(OPENSBI_TARGET): $(obj)/config.h | $(OPENSBI_SOURCE) printf " MAKE $(subst $(obj)/,,$(@))\n" mkdir -p $(OPENSBI_BUILD) $(MAKE) \ -C "$(OPENSBI_SOURCE)" \ CC="$(GCC_ramstage) -fno-builtin" \ LD="$(LD_ramstage)" \ OBJCOPY="$(OBJCOPY_ramstage)" \ AR="$(AR_ramstage)" \ PLATFORM=$(CONFIG_OPENSBI_PLATFORM) \ O="$(OPENSBI_BUILD)" \ FW_JUMP=y \ FW_DYNAMIC=y \ FW_PAYLOAD=n \ FW_PAYLOAD_OFFSET=0 \ FW_TEXT_START=$(CONFIG_OPENSBI_TEXT_START) $(OPENSBI): $(OPENSBI_TARGET) cp $< $@ OPENSBI_CBFS := $(CONFIG_CBFS_PREFIX)/opensbi $(OPENSBI_CBFS)-file := $(OPENSBI) $(OPENSBI_CBFS)-type := payload $(OPENSBI_CBFS)-compression := $(CBFS_COMPRESS_FLAG) cbfs-files-y += $(OPENSBI_CBFS) check-ramstage-overlap-files += $(OPENSBI_CBFS) CPPFLAGS_common += -I$(OPENSBI_SOURCE)/include ramstage-y += opensbi.c endif #CONFIG_RISCV_OPENSBI endif #CONFIG_ARCH_RISCV