111 lines
3.4 KiB
Python
111 lines
3.4 KiB
Python
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# Copyright 2021-2023 HPMicro
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# SPDX-License-Identifier: BSD-3-Clause
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import os
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import sys
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# toolchains options
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ARCH='risc-v'
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CPU='hpmicro'
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SOC_FAMILY='HPM6E00'
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CHIP_NAME='HPM6E80'
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CROSS_TOOL='gcc'
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# bsp lib config
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BSP_LIBRARY_TYPE = None
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# Fallback toolchain info
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FALLBACK_TOOLCHAIN_VENDOR='RISC-V'
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FALLBACK_TOOLCHAIN_PKG='RISC-V-GCC-RV32'
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FALLBACK_TOOLCHAIN_VER='2022-04-12'
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if os.getenv('RTT_CC'):
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CROSS_TOOL = os.getenv('RTT_CC')
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RTT_EXEC_PATH = os.getenv('RTT_EXEC_PATH')
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if RTT_EXEC_PATH != None:
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folders = RTT_EXEC_PATH.split(os.sep)
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# If the `RT-Thread Env` is from the RT-Thread Studio, generate the RTT_EXEC_PATH using `FALLBACK_TOOLCHAIN_INFO`
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if 'arm_gcc' in folders and 'platform' in folders:
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RTT_EXEC_PATH = ''
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for path in folders:
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if path != 'platform':
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RTT_EXEC_PATH = RTT_EXEC_PATH + path + os.sep
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else:
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break
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RTT_EXEC_PATH = os.path.join(RTT_EXEC_PATH, 'repo', 'Extract', 'ToolChain_Support_Packages', FALLBACK_TOOLCHAIN_VENDOR, FALLBACK_TOOLCHAIN_PKG, FALLBACK_TOOLCHAIN_VER, 'bin')
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# Override the 'RTT_RISCV_TOOLCHAIN' only if the `RT-Thread ENV` is from the RT-Thread Studio
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if 'platform' in folders:
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os.environ['RTT_RISCV_TOOLCHAIN'] = RTT_EXEC_PATH
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# cross_tool provides the cross compiler
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# EXEC_PATH is the compiler path, for example, GNU RISC-V toolchain, IAR
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if CROSS_TOOL == 'gcc':
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PLATFORM = 'gcc'
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if os.getenv('RTT_RISCV_TOOLCHAIN'):
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EXEC_PATH = os.getenv('RTT_RISCV_TOOLCHAIN')
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else:
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EXEC_PATH = r'/opt/riscv-gnu-gcc/bin'
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else:
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print("CROSS_TOOL = {} not yet supported" % CROSS_TOOL)
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BUILD = 'flash_debug'
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if PLATFORM == 'gcc':
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PREFIX = 'riscv32-unknown-elf-'
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CC = PREFIX + 'gcc'
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CXX = PREFIX + 'g++'
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AS = PREFIX + 'gcc'
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AR = PREFIX + 'ar'
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LINK = PREFIX + 'gcc'
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GDB = PREFIX + 'gdb'
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TARGET_EXT = 'elf'
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SIZE = PREFIX + 'size'
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OBJDUMP = PREFIX + 'objdump'
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OBJCPY = PREFIX + 'objcopy'
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STRIP = PREFIX + 'strip'
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ARCH_ABI = ' -mcmodel=medlow '
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DEVICE = ARCH_ABI + ' -DUSE_NONVECTOR_MODE=1 ' + ' -ffunction-sections -fdata-sections -fno-common '
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CFLAGS = DEVICE
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AFLAGS = CFLAGS
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LFLAGS = ARCH_ABI + ' --specs=nano.specs --specs=nosys.specs -u _printf_float -u _scanf_float -nostartfiles -Wl,--gc-sections '
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CPATH = ''
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LPATH = ''
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if BUILD == 'ram_debug':
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CFLAGS += ' -gdwarf-2'
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AFLAGS += ' -gdwarf-2'
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CFLAGS += ' -O0'
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LFLAGS += ' -O0'
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LINKER_FILE = 'board/linker_scripts/ram_rtt.ld'
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elif BUILD == 'ram_release':
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CFLAGS += ' -O2'
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LFLAGS += ' -O2'
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LINKER_FILE = 'board/linker_scripts/ram_rtt.ld'
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elif BUILD == 'flash_debug':
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CFLAGS += ' -gdwarf-2'
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AFLAGS += ' -gdwarf-2'
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CFLAGS += ' -O0'
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LFLAGS += ' -O0'
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CFLAGS += ' -DFLASH_XIP=1'
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LINKER_FILE = 'board/linker_scripts/flash_rtt.ld'
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elif BUILD == 'flash_release':
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CFLAGS += ' -O2'
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LFLAGS += ' -O2'
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CFLAGS += ' -DFLASH_XIP=1'
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LINKER_FILE = 'board/linker_scripts/flash_rtt.ld'
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else:
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CFLAGS += ' -O2'
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LFLAGS += ' -O2'
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LINKER_FILE = 'board/linker_scripts/flash_rtt.ld'
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LFLAGS += ' -T ' + LINKER_FILE
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POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'
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# module setting
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CXXFLAGS = CFLAGS + ' -Woverloaded-virtual -fno-exceptions -fno-rtti '
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CFLAGS = CFLAGS + ' -std=gnu11'
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