rtconfig.py 1.9 KB

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  1. import os
  2. # toolchains options
  3. ARCH ='arm'
  4. CPU ='cortex-a'
  5. CROSS_TOOL = 'gcc'
  6. PLATFORM = 'gcc'
  7. EXEC_PATH = os.getenv('RTT_EXEC_PATH') or r'/usr/bin'
  8. BUILD = 'debug'
  9. LINK_SCRIPT = 'link.lds'
  10. if PLATFORM == 'gcc':
  11. PREFIX = os.getenv('RTT_CC_PREFIX') or 'arm-none-eabi-'
  12. CC = PREFIX + 'gcc'
  13. CXX = PREFIX + 'g++'
  14. AS = PREFIX + 'gcc'
  15. AR = PREFIX + 'ar'
  16. LINK = PREFIX + 'gcc'
  17. TARGET_EXT = 'elf'
  18. SIZE = PREFIX + 'size'
  19. OBJDUMP = PREFIX + 'objdump'
  20. OBJCPY = PREFIX + 'objcopy'
  21. STRIP = PREFIX + 'strip'
  22. CFPFLAGS = ' -msoft-float'
  23. AFPFLAGS = ' -mfloat-abi=softfp -mfpu=neon'
  24. DEVICE = ' -march=armv7-a -mtune=cortex-a7 -ftree-vectorize -ffast-math -funwind-tables -fno-strict-aliasing'
  25. CXXFLAGS= DEVICE + CFPFLAGS + ' -Wall -fdiagnostics-color=always'
  26. CFLAGS = DEVICE + CFPFLAGS + ' -Wall -Wno-cpp -std=gnu99 -D_POSIX_SOURCE -fdiagnostics-color=always'
  27. AFLAGS = DEVICE + ' -c' + AFPFLAGS + ' -x assembler-with-cpp'
  28. LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,system_vectors -T '+ LINK_SCRIPT + ' -lsupc++ -lgcc -static'
  29. CPATH = ''
  30. LPATH = ''
  31. if BUILD == 'debug':
  32. CFLAGS += ' -O0 -gdwarf-2'
  33. CXXFLAGS += ' -O0 -gdwarf-2'
  34. AFLAGS += ' -gdwarf-2'
  35. else:
  36. CFLAGS += ' -Os'
  37. CXXFLAGS += ' -Os'
  38. CXXFLAGS += ' -Woverloaded-virtual -fno-rtti'
  39. M_CFLAGS = CFLAGS + ' -mlong-calls -fPIC '
  40. M_CXXFLAGS = CXXFLAGS + ' -mlong-calls -fPIC'
  41. M_LFLAGS = DEVICE + CXXFLAGS + ' -Wl,--gc-sections,-z,max-page-size=0x4' +\
  42. ' -shared -fPIC -nostartfiles -nostdlib -static-libgcc'
  43. M_POST_ACTION = STRIP + ' -R .hash $TARGET\n' + SIZE + ' $TARGET \n'
  44. DUMP_ACTION = OBJDUMP + ' -D -S $TARGET > rtt.asm\n'
  45. POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'