REFACTOR: unpack workspace folders in top level

Makefile

@@ -0,0 +1,219 @@
+#################################
+# Project Settings
+#################################
+
+# generated by baremetal-ide version 0.0.1
+
+TARGET ?= firmware
+
+CHIP ?= examplechip
+
+#################################
+# RISCV Toolchain
+#################################
+
+PREFIX = riscv64-unknown-elf-
+
+CC = $(PREFIX)gcc
+CXX = $(PREFIX)g++
+CP = $(PREFIX)objcopy
+OD = $(PREFIX)objdump
+DG = $(PREFIX)gdb
+SIZE = $(PREFIX)size
+
+
+#################################
+# Working directories
+#################################
+
+BSP_DIR = bsp/
+LIB_DIR = lib/
+USR_DIR = core/
+
+SRC_DIR = $(USR_DIR)src/
+INC_DIR = $(USR_DIR)inc/
+
+BUILD_DIR = build/
+
+
+#################################
+# Source Files
+#################################
+
+
+ifeq ($(USE_HTIF), 1)
+LIBRARIES += htif
+endif
+
+# USR sources
+INCLUDES   = -I$(INC_DIR)
+INCLUDES  += -I$(INC_DIR)hal/
+A_SOURCES  = $(wildcard $(SRC_DIR)*.S) $(wildcard $(SRC_DIR)*/*.S)
+C_SOURCES  = $(wildcard $(SRC_DIR)*.c) $(wildcard $(SRC_DIR)*/*.c)
+
+# BSP sources
+INCLUDES  += -I$(BSP_DIR)$(CHIP)/inc
+# A_SOURCES += $(BSP_DIR)$(CHIP)/startup/$(CHIP)_bootrom.S
+A_SOURCES += $(BSP_DIR)$(CHIP)/startup/$(CHIP)_startup.S
+
+C_SOURCES += $(BSP_DIR)$(CHIP)/src/$(CHIP)_hal.c
+C_SOURCES += $(BSP_DIR)$(CHIP)/src/$(CHIP)_hal_system.c
+C_SOURCES += $(BSP_DIR)$(CHIP)/src/$(CHIP)_hal_core.c
+C_SOURCES += $(BSP_DIR)$(CHIP)/src/$(CHIP)_hal_clint.c
+C_SOURCES += $(BSP_DIR)$(CHIP)/src/$(CHIP)_hal_plic.c
+C_SOURCES += $(BSP_DIR)$(CHIP)/src/$(CHIP)_hal_gpio.c
+C_SOURCES += $(BSP_DIR)$(CHIP)/src/$(CHIP)_hal_i2c.c
+C_SOURCES += $(BSP_DIR)$(CHIP)/src/$(CHIP)_hal_rcc.c
+C_SOURCES += $(BSP_DIR)$(CHIP)/src/$(CHIP)_hal_spi.c
+C_SOURCES += $(BSP_DIR)$(CHIP)/src/$(CHIP)_hal_uart.c
+
+# LIB sources
+INCLUDES  += $(foreach LIBRARY_NAME,$(LIBRARIES),-I$(LIB_DIR)$(LIBRARY_NAME)/inc)
+A_SOURCES += $(foreach LIBRARY_NAME,$(LIBRARIES),$(wildcard $(LIB_DIR)$(LIBRARY_NAME)/src/*.S))
+C_SOURCES += $(foreach LIBRARY_NAME,$(LIBRARIES),$(wildcard $(LIB_DIR)$(LIBRARY_NAME)/src/*.c))
+
+
+#################################
+# Object List
+#################################
+
+A_OBJECTS = $(addsuffix .o,$(addprefix $(BUILD_DIR),$(basename $(A_SOURCES))))
+C_OBJECTS = $(addsuffix .o,$(addprefix $(BUILD_DIR),$(basename $(C_SOURCES))))
+
+OBJECTS = $(A_OBJECTS) $(C_OBJECTS)
+
+
+#################################
+# Target Output Files
+#################################
+
+TARGET_ELF = $(BUILD_DIR)$(TARGET).elf
+TARGET_BIN = $(BUILD_DIR)$(TARGET).bin
+TARGET_HEX = $(BUILD_DIR)$(TARGET).hex
+TARGET_VERILOG = $(BUILD_DIR)$(TARGET).out
+
+
+#################################
+# Flags
+#################################
+
+# MCU Settings
+ARCH = rv64imafdc
+ABI = lp64d
+CODEMODEL = medany
+
+ifeq ($(USE_HTIF), 1)
+LD_SCRIPT = $(BSP_DIR)$(CHIP)/$(CHIP)_htif.ld
+else
+LD_SCRIPT = $(BSP_DIR)$(CHIP)/$(CHIP).ld
+endif
+
+# -mcmodel=medany -Wl,--start-group -lc_nano -lgloss_htif -Wl,--end-group -lgcc -static -nostartfiles -dT htif.ld
+SPECFLAGS = --specs="nano.specs"
+# SPECFLAGS = --specs="htif_nano.specs"
+
+ARCHFLAGS = -march=$(ARCH) -mabi=$(ABI) -mcmodel=$(CODEMODEL) -fno-pie
+
+# compiler Flags
+CFLAGS  = -g -std=gnu11 -O0
+CFLAGS += -fno-common -fno-builtin-printf
+CFLAGS += -Wall -Wextra -Warray-bounds -Wno-unused-parameter
+# CFLAGS += -Wl,--start-group -lc_nano -lgloss_htif -Wl,--end-group -lgcc
+CFLAGS += $(SPECFLAGS)
+CFLAGS += $(ARCHFLAGS)
+CFLAGS += $(INCLUDES)
+
+# linker Flags
+LFLAGS  = -static
+LFLAGS += -nostartfiles
+# LFLAGS += -nostdlib
+# LFLAGS += -u _printf_float
+ifdef STACK_SIZE
+LFLAGS += -Xlinker --defsym=__stack_size=$(STACK_SIZE)
+endif
+LFLAGS += -T $(LD_SCRIPT)
+
+
+#################################
+# Build
+#################################
+
+.DEFAULT_GOAL := build
+
+# default target
+build: $(TARGET_ELF)
+	@echo "[Build] $(TARGET_ELF) built for target \"$(CHIP)\""
+
+$(TARGET_BIN): $(TARGET_ELF)
+	$(CP) -O binary $< $@
+
+$(TARGET_HEX): $(TARGET_ELF)
+	$(CP) -O ihex $< $@
+
+$(TARGET_VERILOG): $(TARGET_ELF)
+	$(CP) -O verilog $< $@
+
+$(TARGET_ELF): $(OBJECTS)
+	@echo "[LD] linking $@"
+	@$(CC) $(CFLAGS) $(LFLAGS) $^ -o $@
+	$(SIZE) $(TARGET_ELF)
+
+$(A_OBJECTS): $(BUILD_DIR)%.o: %.S
+	@echo "[CC] compiling $@"
+	@mkdir -p $(@D)
+	@$(CC) $(CFLAGS) -c $< -o $@
+
+$(C_OBJECTS): $(BUILD_DIR)%.o: %.c
+	@echo "[CC] compiling $@"
+	@mkdir -p $(@D)
+	@$(CC) $(CFLAGS) -c $< -o $@
+
+
+#################################
+# OpenOCD Upload Commands
+#################################
+
+UPLOAD_COMMANDS_SRAM  = -c "init"
+UPLOAD_COMMANDS_SRAM += -c "load_image $(TARGET_ELF) 0x0"
+UPLOAD_COMMANDS_SRAM += -c "reset"
+# UPLOAD_COMMANDS_SRAM += -c "sleep 100"
+# UPLOAD_COMMANDS_SRAM += -c "reg pc 0x08000000"
+UPLOAD_COMMANDS_SRAM += -c "exit"
+
+UPLOAD_COMMANDS_FLASH  = -c "exit"
+UPLOAD_COMMANDS_FLASH += -c "program $(TARGET_BIN) 0x20000000"
+UPLOAD_COMMANDS_FLASH += -c "reset"
+UPLOAD_COMMANDS_FLASH += -c "exit"
+
+
+#################################
+# Recipes
+#################################
+
+.PHONY: clean
+clean:
+	@rm -rf $(BUILD_DIR)
+
+bin: $(TARGET_BIN)
+
+hex: $(TARGET_HEX)
+
+verilog: $(TARGET_VERILOG)
+
+.PHONY: dump
+dump:
+	$(OD) -d $(TARGET_ELF) > $(BUILD_DIR)disassemble.S
+	$(OD) -h $(TARGET_ELF) > $(BUILD_DIR)sections.out
+	$(OD) -t $(TARGET_ELF) > $(BUILD_DIR)symbol_table.out
+
+# openocd currently only supports 32 bit target, thus we need to use binary loader
+.PHONY: upload
+upload: $(TARGET_BIN)
+	@openocd -f ./debug/$(CHIP).cfg $(UPLOAD_COMMANDS_SRAM)
+# @openocd -f ./debug/$(CHIP).cfg -c "init" -c "load_image ./build/firmware.elf 0x0" -c "reset" -c "sleep 100" -c "reg pc 0x08000000" -c "exit"
+# @openocd -f ./debug/$(CHIP).cfg -c "program $(TARGET_BIN) 0x20000000 reset exit"
+
+.PHONY: debug
+debug: $(TARGET_BIN)	
+	@openocd -f ./debug/$(CHIP).cfg & $(DG) --eval-command="target extended-remote localhost:3333"
+

core/inc/main.h

@@ -0,0 +1,64 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file           : main.h
+  * @brief          : Header for main.c file.
+  *                   This file contains the common defines of the application.
+  ******************************************************************************
+  * @attention
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __MAIN_H
+#define __MAIN_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+
+/* Private includes ----------------------------------------------------------*/
+/* USER CODE BEGIN Includes */
+#include <stdio.h>
+// #include "bearlyml_hal.h"
+#include "examplechip_hal.h"
+/* USER CODE END Includes */
+
+/* Exported types ------------------------------------------------------------*/
+/* USER CODE BEGIN ET */
+
+/* USER CODE END ET */
+
+/* Exported constants --------------------------------------------------------*/
+/* USER CODE BEGIN EC */
+
+/* USER CODE END EC */
+
+/* Exported macro ------------------------------------------------------------*/
+/* USER CODE BEGIN EM */
+
+/* USER CODE END EM */
+
+/* Exported functions prototypes ---------------------------------------------*/
+/* USER CODE BEGIN EFP */
+
+/* USER CODE END EFP */
+
+/* Private defines -----------------------------------------------------------*/
+/* USER CODE BEGIN Private defines */
+
+/* USER CODE END Private defines */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __MAIN_H */

core/inc/syscalls.h

@@ -0,0 +1,14 @@
+#include <sys/stat.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <errno.h>
+#include <time.h>
+#include <sys/time.h>
+#include <sys/times.h>
+
+// #include "bearlyml_hal.h"
+#include "examplechip_hal.h"
+
+#define likely(x)   __builtin_expect(!!(x), 1)
+#define unlikely(x) __builtin_expect(!!(x), 0)