rtconfig.py 1.6 KB

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  1. import os
  2. # toolchains options
  3. ARCH ='risc-v'
  4. VENDOR ='t-head'
  5. CPU ='c908'
  6. CROSS_TOOL ='gcc'
  7. RTT_ROOT = os.getenv('RTT_ROOT', r'../..')
  8. if os.getenv('RTT_CC'):
  9. CROSS_TOOL = os.getenv('RTT_CC')
  10. if CROSS_TOOL == 'gcc':
  11. PLATFORM = 'gcc'
  12. EXEC_PATH = r'/opt/Xuantie-900-gcc-elf-newlib-x86_64-V2.8.1/bin'
  13. else:
  14. print('Please make sure your toolchains is GNU GCC!')
  15. exit(0)
  16. EXEC_PATH = os.getenv('RTT_EXEC_PATH', EXEC_PATH)
  17. BUILD = 'debug'
  18. if PLATFORM == 'gcc':
  19. # toolchains
  20. #PREFIX = 'riscv64-unknown-elf-'
  21. PREFIX = os.getenv('RTT_CC_PREFIX') or 'riscv64-unknown-linux-musl-'
  22. CC = PREFIX + 'gcc'
  23. CXX = PREFIX + 'g++'
  24. AS = PREFIX + 'gcc'
  25. AR = PREFIX + 'ar'
  26. LINK = PREFIX + 'gcc'
  27. TARGET_EXT = 'elf'
  28. SIZE = PREFIX + 'size'
  29. OBJDUMP = PREFIX + 'objdump'
  30. OBJCPY = PREFIX + 'objcopy'
  31. DEVICE = ' -mcmodel=medany -march=rv64imafdc -mabi=lp64'
  32. CFLAGS = DEVICE + ' -Wno-cpp -fvar-tracking -ffreestanding -fno-common -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -D_POSIX_SOURCE '
  33. AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -D__ASSEMBLY__'
  34. LFLAGS = DEVICE + ' -nostartfiles -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,_start -T link.lds' + ' -lsupc++ -lgcc -static'
  35. CPATH = ''
  36. LPATH = ''
  37. if BUILD == 'debug':
  38. CFLAGS += ' -O2 -g -gdwarf-2'
  39. AFLAGS += ' -g -gdwarf-2'
  40. else:
  41. CFLAGS += ' -O2 -g -gdwarf-2'
  42. CXXFLAGS = CFLAGS
  43. POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'