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import os
# toolchains options
ARCH ='risc-v'
VENDOR ='t-head'
CPU ='e9xx'
CROSS_TOOL ='gcc'
if os.getenv('RTT_ROOT'):
RTT_ROOT = os.getenv('RTT_ROOT')
else:
RTT_ROOT = r'../../..'
if os.getenv('RTT_CC'):
CROSS_TOOL = os.getenv('RTT_CC')
if CROSS_TOOL == 'gcc':
PLATFORM = 'gcc'
EXEC_PATH = r'/opt/Xuantie-900-gcc-elf-newlib-x86_64-V2.6.1/bin'
else:
print('Please make sure your toolchains is GNU GCC!')
exit(0)
if os.getenv('RTT_EXEC_PATH'):
EXEC_PATH = os.getenv('RTT_EXEC_PATH')
BUILD = 'debug'
if PLATFORM == 'gcc':
# toolchains
PREFIX = 'riscv64-unknown-elf-'
CC = PREFIX + 'gcc'
CXX = PREFIX + 'g++'
AS = PREFIX + 'gcc'
AR = PREFIX + 'ar'
LINK = PREFIX + 'gcc'
TARGET_EXT = 'elf'
SIZE = PREFIX + 'size'
OBJDUMP = PREFIX + 'objdump'
OBJCPY = PREFIX + 'objcopy'
DEVICE = ' -march=rv32imafcxthead -mabi=ilp32f -mtune=e907 -mcmodel=medany'
CFLAGS = DEVICE + ' -Wall -Wno-error=unused-function -Wno-error=unused-but-set-variable -Wno-error=unused-variable -Wno-error=deprecated-declarations -Wextra -Wno-unused-parameter -Wno-sign-compare'
CFLAGS += ' -Wno-old-style-declaration -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -fshort-enums -fcommon -ffreestanding -fno-strict-aliasing -fno-jump-tables -save-temps=obj'
LINKER_SCRIPTS_PATH = r'libraries/platform/soc/bl808/startup_bl808/evb/ld/'
LINKER_SCRIPTS = 'bl808_flash.ld'
CFLAGS += ' -DCFG_COMPONENT_BLOG_ENABLE=0 -DARCH_RISCV -DBFLB_USE_HAL_DRIVER -DCPU_M0 -DBL808'
AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp'
LFLAGS = DEVICE + ' -nostartfiles -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,_start -T ' + LINKER_SCRIPTS_PATH + LINKER_SCRIPTS
CPATH = ''
LPATH = ''
if BUILD == 'debug':
CFLAGS += ' -O0 -gdwarf'
AFLAGS += ' -gdwarf'
else:
CFLAGS += ' -O3'
CXXFLAGS = CFLAGS + ' -std=gnu++17 -Wno-multichar'
DUMP_ACTION = OBJDUMP + ' -D -S $TARGET > rtt.asm\n'
POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread_m0.bin\n' + SIZE + ' $TARGET \n'
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