2022-03-21 00:31:11 +01:00
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# https://www.embecosm.com/resources/tool-chain-downloads/#riscv-stable
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#CROSS_COMPILE ?= riscv32-unknown-elf-
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# Toolchain from https://github.com/xpack-dev-tools/riscv-none-embed-gcc-xpack
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CROSS_COMPILE ?= riscv-none-embed-
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# Submodules
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CH32V307_SDK = hw/mcu/wch/ch32v307
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DEPS_SUBMODULES += $(CH32V307_SDK)
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# WCH-SDK paths
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CH32V307_SDK_SRC = $(CH32V307_SDK)/EVT/EXAM/SRC
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CH32V307_SDK_SRC_TOP = $(TOP)/$(CH32V307_SDK_SRC)
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CH32V307_STARTUP_ASM = $(CH32V307_SDK_SRC)/Startup
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include $(TOP)/$(BOARD_PATH)/board.mk
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SKIP_NANOLIB = 1
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CFLAGS += \
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-flto \
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-march=rv32imac \
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-mabi=ilp32 \
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-msmall-data-limit=8 \
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-mno-save-restore -Os \
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-fmessage-length=0 \
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-fsigned-char \
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-ffunction-sections \
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-fdata-sections \
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-nostdlib -nostartfiles \
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2022-03-22 14:01:20 +01:00
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-DCFG_TUSB_MCU=OPT_MCU_CH32V307 \
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2022-03-21 00:31:11 +01:00
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-Xlinker --gc-sections \
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-DBOARD_DEVICE_RHPORT_SPEED=OPT_MODE_HIGH_SPEED
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LDFLAGS += \
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-Xlinker --gc-sections --specs=nano.specs --specs=nosys.specs
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SRC_C += \
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src/portable/wch/ch32v307/usb_dc_usbhs.c \
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$(CH32V307_SDK_SRC_TOP)/Core/core_riscv.c \
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$(CH32V307_SDK_SRC_TOP)/Peripheral/src/ch32v30x_gpio.c \
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$(CH32V307_SDK_SRC_TOP)/Peripheral/src/ch32v30x_misc.c \
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$(CH32V307_SDK_SRC_TOP)/Peripheral/src/ch32v30x_rcc.c \
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$(CH32V307_SDK_SRC_TOP)/Peripheral/src/ch32v30x_usart.c
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SRC_S += \
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$(CH32V307_STARTUP_ASM)/startup_ch32v30x_D8C.S
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INC += \
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src/portable/wch/ch32v307 \
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$(TOP)/$(BOARD_PATH)/.. \
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$(TOP)/$(BOARD_PATH) \
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$(CH32V307_SDK_SRC_TOP)/Peripheral/inc \
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$(CH32V307_SDK_SRC_TOP)/Debug \
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$(CH32V307_SDK_SRC_TOP)
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# For freeRTOS port source
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FREERTOS_PORT = RISC-V
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# flash target ROM bootloader
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flash: $(BUILD)/$(PROJECT).elf
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openocd -f wch-riscv.cfg -c init -c halt -c "program $< 0x08000000" -c reset -c exit
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