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URL https://opencores.org/ocsvn/neorv32/neorv32/trunk

Subversion Repositories neorv32

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  • This comparison shows the changes necessary to convert path 
    /neorv32/trunk/sw/example/demo_trng
    from Rev 14 to Rev 19
    ↔ Reverse comparison
  •

Rev 14 → Rev 19

/makefile
36,29 → 36,25
 
 
# *****************************************************************************
# USER CONFIGURATION
# USER CONFIGURATION (use default if not set by user)
# *****************************************************************************
# Compiler effort
EFFORT = -Os
EFFORT ?= -Os
 
# User's application sources (add additional files here)
APP_SRC = $(wildcard *.c)
APP_SRC ?= $(wildcard *.c)
 
# User's application include folders (don't forget the '-I' before each entry)
APP_INC = -I .
APP_INC ?= -I .
 
# Compiler toolchain (use default if not set by user)
# Compiler toolchain
RISCV_TOOLCHAIN ?= riscv32-unknown-elf
 
# CPU architecture and ABI
MARCH = -march=rv32i
MABI = -mabi=ilp32
MARCH ?= -march=rv32i
MABI ?= -mabi=ilp32
 
# Path to runtime c library (use default if not set by user)
LIBC_PATH ?= $(dir $(shell which $(CC)))../$(RISCV_TOOLCHAIN)/lib/libc.a
LIBGCC_PATH ?= $(dir $(shell which $(CC)))../lib/gcc/$(RISCV_TOOLCHAIN)/*/libgcc.a
 
# Relative or absolute path to the NEORV32 home folder (use default if not set by user)
# Relative or absolute path to the NEORV32 home folder
NEORV32_HOME ?= ../../..
# *****************************************************************************
 
113,7 → 109,6
# -----------------------------------------------------------------------------
# compiler tools
CC = $(RISCV_TOOLCHAIN)-gcc
LD = $(RISCV_TOOLCHAIN)-ld
OBJDUMP = $(RISCV_TOOLCHAIN)-objdump
OBJCOPY = $(RISCV_TOOLCHAIN)-objcopy
SIZE = $(RISCV_TOOLCHAIN)-size
121,23 → 116,14
# NEORV32 executable image generator
IMAGE_GEN = $(NEORV32_EXG_PATH)/image_gen
 
# Compiler flags
CC_OPTS = $(MARCH) $(MABI) $(EFFORT) -Wall -ffunction-sections -fdata-sections -lm
# Compiler & linker flags
CC_OPTS = $(MARCH) $(MABI) $(EFFORT) -Wall -ffunction-sections -fdata-sections -nostartfiles
CC_OPTS += -Wl,--gc-sections -lm -lc -lgcc -lc
 
# Linker flags
LD_OPTS = $(EFFORT) --gc-sections
 
# User flags for additional config
# User flags for additional configuration
USER_FLAGS =
CC_OPTS += $(USER_FLAGS)
 
# Use embedded RISC-V CPU extension?
ifeq (,$(findstring rv32e,$(MARCH)))
CC_OPTS +=
else
CC_OPTS += -D__RISCV_EMBEDDED_CPU__
endif
 
# -----------------------------------------------------------------------------
# Host native compiler
# -----------------------------------------------------------------------------
166,7 → 152,7
 
# Link object files and show memory utilization
main.elf: $(OBJ)
@$(LD) $(LD_OPTS) -I $(NEORV32_INC_PATH) $(APP_INC) -T $(NEORV32_COM_PATH)/neorv32.ld $(OBJ) $(LIBC_PATH) $(LIBGCC_PATH) -o $@
@$(CC) $(CC_OPTS) -I $(NEORV32_INC_PATH) $(APP_INC) -T $(NEORV32_COM_PATH)/neorv32.ld $(OBJ) -o $@
@echo "Memory utilization:"
@$(SIZE) main.elf
 
212,7 → 198,7
# Compile and install bootloader
bootloader: bootloader_crt0.elf $(OBJ) $(IMAGE_GEN)
@set -e
@$(LD) $(LD_OPTS) -I $(NEORV32_INC_PATH) $(APP_INC) -T $(NEORV32_COM_PATH)/bootloader_neorv32.ld $(OBJ) $(LIBC_PATH) $(LIBGCC_PATH) -o bootloader.elf
@$(CC) $(CC_OPTS) -I $(NEORV32_INC_PATH) $(APP_INC) -T $(NEORV32_COM_PATH)/bootloader_neorv32.ld $(OBJ) -o bootloader.elf
@echo "Memory utilization:"
@$(SIZE) bootloader.elf
@$(OBJDUMP) -D -S -z bootloader.elf > bootloader.s
237,8 → 223,6
@echo "NEORV32_HOME: $(NEORV32_HOME)"
@echo "---------------- Check: $(CC) ----------------"
@$(CC) -v
@echo "---------------- Check: $(LD) ----------------"
@$(LD) -V
@echo "---------------- Check: $(OBJDUMP) ----------------"
@$(OBJDUMP) -V
@echo "---------------- Check: $(OBJCOPY) ----------------"
247,7 → 231,7
@$(SIZE) -V
@echo "---------------- Check: NEORV32 image_gen ----------------"
@$(IMAGE_GEN) -help
@echo "---------------- Check: native gcc ----------------"
@echo "---------------- Check: Native GCC ----------------"
@$(CC_X86) -v
@echo
@echo "Toolchain check OK"
276,17 → 260,17
@echo "---------------- Info: RISC-V Toolchain ----------------"
@echo "Toolchain: $(RISCV_TOLLCHAIN)"
@echo "CC: $(CC)"
@echo "LD: $(LD)"
@echo "OBJDUMP: $(OBJDUMP)"
@echo "OBJCOPY: $(OBJCOPY)"
@echo "SIZE: $(SIZE)"
@echo "---------------- Info: C Lib ----------------"
@echo "CLIB: $(LIBC_PATH)"
@echo "GCCLIB: $(LIBGCC_PATH)"
@echo "---------------- Info: Libraries ----------------"
@echo "LIBGCC:"
@$(CC) -print-libgcc-file-name
@echo "SEARCH-DIRS:"
@$(CC) -print-search-dirs
@echo "---------------- Info: Flags ----------------"
@echo "CC_OPTS: $(CC_OPTS)"
@echo "LD_OPTS: $(LD_OPTS)"
@echo "---------------- Info: Host Native GCC ----------------"
@echo "---------------- Info: Host Native GCC Flags ----------------"
@echo "CC_X86: $(CC_X86)"
 
 

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