diff options
Diffstat (limited to 'bsp/env/common.mk')
| -rw-r--r-- | bsp/env/common.mk | 33 |
1 files changed, 22 insertions, 11 deletions
diff --git a/bsp/env/common.mk b/bsp/env/common.mk index 8d91805..0f5e9a1 100644 --- a/bsp/env/common.mk +++ b/bsp/env/common.mk @@ -1,5 +1,13 @@ # See LICENSE for license details. +ifndef _SIFIVE_MK_COMMON +_SIFIVE_MK_COMMON := # defined + +.PHONY: all +all: $(TARGET) + +include $(BSP_BASE)/libwrap/libwrap.mk + BOARD ?= freedom-e300-hifive1 ENV_DIR = $(BSP_BASE)/env PLATFORM_DIR = $(ENV_DIR)/$(BOARD) @@ -7,28 +15,32 @@ PLATFORM_DIR = $(ENV_DIR)/$(BOARD) ASM_SRCS += $(PLATFORM_DIR)/start.S ASM_SRCS += $(PLATFORM_DIR)/entry.S C_SRCS += $(PLATFORM_DIR)/init.c -C_SRCS += $(ENV_DIR)/syscall.c LINKER_SCRIPT := $(PLATFORM_DIR)/link.lds -INCLUDES += -I. INCLUDES += -I$(BSP_BASE)/include INCLUDES += -I$(ENV_DIR) INCLUDES += -I$(PLATFORM_DIR) -CC := $(BSP_BASE)/../toolchain/bin/riscv32-unknown-elf-gcc +TOOL_DIR = $(BSP_BASE)/../toolchain/bin -LDFLAGS += -T $(LINKER_SCRIPT) -nostdlib -nostartfiles -lc -lgcc +CC := $(TOOL_DIR)/riscv32-unknown-elf-gcc +AR := $(TOOL_DIR)/riscv32-unknown-elf-ar + +LDFLAGS += -T $(LINKER_SCRIPT) -nostartfiles LDFLAGS += -L$(ENV_DIR) -ASM_OBJS := $(patsubst %.S,%.o,$(ASM_SRCS)) -C_OBJS := $(patsubst %.c,%.o,$(C_SRCS)) +ASM_OBJS := $(ASM_SRCS:.S=.o) +C_OBJS := $(C_SRCS:.c=.o) LINK_OBJS += $(ASM_OBJS) $(C_OBJS) +LINK_DEPS += $(LINKER_SCRIPT) + +CLEAN_OBJS += $(TARGET) $(LINK_OBJS) CFLAGS += -g -$(TARGET): $(LINK_OBJS) $(LINKER_SCRIPT) +$(TARGET): $(LINK_OBJS) $(LINK_DEPS) $(CC) $(CFLAGS) $(INCLUDES) $(LINK_OBJS) -o $@ $(LDFLAGS) $(ASM_OBJS): %.o: %.S $(HEADERS) @@ -37,9 +49,8 @@ $(ASM_OBJS): %.o: %.S $(HEADERS) $(C_OBJS): %.o: %.c $(HEADERS) $(CC) $(CFLAGS) $(INCLUDES) -c -o $@ $< -all: $(TARGET) - +.PHONY: clean clean: - rm -f $(TARGET) $(LINK_OBJS) + rm -f $(CLEAN_OBJS) -.PHONY: all clean +endif # _SIFIVE_MK_COMMON |