chore: put all codes into different src and inc dirs

rtl/mini/software.mk

@@ -2,37 +2,48 @@
 FIRMWARE_NAME := retrosoc_fw
 
 CROSS=riscv32-unknown-elf-
+
+CP   = $(CROSS)cpp
+CC   = $(CROSS)gcc
+OBJC = $(CROSS)objcopy
+DUMP = $(CROSS)objdump
+
 CFLAGS := -mabi=ilp32 \
           -march=rv32im \
           -Wl,-Bstatic,-T,retrosoc_sections.lds,--strip-debug \
           -ffreestanding \
           -nostdlib
 
-SRC_PATH := ../../../crt/start.s \
-            ../../../crt/tinyuart.c \
-            ../../../crt/tinystring.c \
-            ../../../crt/tinyprintf.c \
-            ../../../crt/tinygpio.c \
-            ../../../crt/tinytim.c \
-            ../../../crt/tinyarchinfo.c \
-            ../../../crt/tinyrng.c \
-            ../../../crt/tinyhpuart.c \
-            ../../../crt/tinypwm.c \
-            ../../../crt/tinyps2.c \
-            ../../../crt/tinyi2c.c \
-            ../../../crt/tinylcd.c \
-            ../../../crt/tinypsram.c \
-            ../../../crt/tinybench.c \
-            ../../../crt/tinysh.c \
-            ../../../crt/firmware.c
+PRJ_ROOT_PATH = ../../..
 
-LDS_PATH := ../../../crt/sections.lds
+SRC_PATH := $(PRJ_ROOT_PATH)/crt/start.s \
+            $(PRJ_ROOT_PATH)/crt/src/tinyuart.c \
+            $(PRJ_ROOT_PATH)/crt/src/tinystring.c \
+            $(PRJ_ROOT_PATH)/crt/src/tinyprintf.c \
+            $(PRJ_ROOT_PATH)/crt/src/tinygpio.c \
+            $(PRJ_ROOT_PATH)/crt/src/tinytim.c \
+            $(PRJ_ROOT_PATH)/crt/src/tinyarchinfo.c \
+            $(PRJ_ROOT_PATH)/crt/src/tinyrng.c \
+            $(PRJ_ROOT_PATH)/crt/src/tinyhpuart.c \
+            $(PRJ_ROOT_PATH)/crt/src/tinypwm.c \
+            $(PRJ_ROOT_PATH)/crt/src/tinyps2.c \
+            $(PRJ_ROOT_PATH)/crt/src/tinyi2c.c \
+            $(PRJ_ROOT_PATH)/crt/src/tinylcd.c \
+            $(PRJ_ROOT_PATH)/crt/src/tinypsram.c \
+            $(PRJ_ROOT_PATH)/crt/src/tinybench.c \
+            $(PRJ_ROOT_PATH)/crt/src/tinysh.c \
+            $(PRJ_ROOT_PATH)/crt/src/firmware.c
+
+LDS_PATH := $(PRJ_ROOT_PATH)/crt/sections.lds
+
+# %.o: %.c %.h $(DEPS)
+# 	$(CROSS)
 
 $(FIRMWARE_NAME).elf:
 	@mkdir -p .sw_build
-	cd .sw_build && ($(CROSS)cpp -P -o retrosoc_sections.lds $(LDS_PATH))
-	cd .sw_build && ($(CROSS)gcc $(CFLAGS) -I../../../crt -o $@ $(SRC_PATH))
-	cd .sw_build && ($(CROSS)objcopy -O verilog $@ $(FIRMWARE_NAME).hex)
-	cd .sw_build && (sed -i 's/@30000000/@00000000/g' retrosoc_fw.hex)
-	cd .sw_build && ($(CROSS)objcopy -O binary  $@ $(FIRMWARE_NAME).bin)
-	cd .sw_build && ($(CROSS)objdump -d $@ > $(FIRMWARE_NAME).txt)
+	cd .sw_build && ($(CP) -P -o retrosoc_sections.lds $(LDS_PATH))
+	cd .sw_build && ($(CC) $(CFLAGS) -I$(PRJ_ROOT_PATH)/crt/inc -o $@ $(SRC_PATH))
+	cd .sw_build && ($(OBJC) -O verilog $@ $(FIRMWARE_NAME).hex)
+	cd .sw_build && (sed -i 's/@30000000/@00000000/g' $(FIRMWARE_NAME).hex)
+	cd .sw_build && ($(OBJC) -O binary $@ $(FIRMWARE_NAME).bin)
+	cd .sw_build && ($(DUMP) -d $@ > $(FIRMWARE_NAME).txt)