1import os
2
3# toolchains options
4ARCH        ='aarch64'
5CPU         ='cortex-a'
6CROSS_TOOL  = 'gcc'
7PLATFORM    = 'gcc'
8EXEC_PATH   = os.getenv('RTT_EXEC_PATH') or '/usr/bin'
9BUILD       = 'debug'
10
11if PLATFORM == 'gcc':
12    # toolchains
13    PREFIX  = os.getenv('RTT_CC_PREFIX') or 'aarch64-none-elf-'
14    CC      = PREFIX + 'gcc'
15    CXX     = PREFIX + 'g++'
16    CPP     = PREFIX + 'cpp'
17    AS      = PREFIX + 'gcc'
18    AR      = PREFIX + 'ar'
19    LINK    = PREFIX + 'gcc'
20    TARGET_EXT = 'elf'
21    SIZE    = PREFIX + 'size'
22    OBJDUMP = PREFIX + 'objdump'
23    OBJCPY  = PREFIX + 'objcopy'
24    STRIP   = PREFIX + 'strip'
25    CFPFLAGS = ' '
26    AFPFLAGS = ' '
27    DEVICE   = ' -march=armv8-a -mtune=cortex-a53 -ftree-vectorize -ffast-math -funwind-tables -fno-strict-aliasing'
28
29    CPPFLAGS= ' -E -P -x assembler-with-cpp'
30    CXXFLAGS= DEVICE + CFPFLAGS + ' -Wall -fdiagnostics-color=always'
31    CFLAGS  = DEVICE + CFPFLAGS + ' -Wall -Wno-cpp -fdiagnostics-color=always'
32    AFLAGS  = ' -c' + AFPFLAGS + ' -x assembler-with-cpp'
33    LFLAGS  = DEVICE + ' -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,system_vectors -T link.lds' + ' -lsupc++ -lgcc -static'
34    CPATH   = ''
35    LPATH   = ''
36
37    if BUILD == 'debug':
38        CFLAGS   += ' -O0 -gdwarf-2'
39        CXXFLAGS += ' -O0 -gdwarf-2'
40        AFLAGS   += ' -gdwarf-2'
41    else:
42        CFLAGS   += ' -Os'
43        CXXFLAGS += ' -Os'
44    CXXFLAGS += ' -Woverloaded-virtual -fno-exceptions -fno-rtti'
45
46DUMP_ACTION = OBJDUMP + ' -D -S $TARGET > rtt.asm\n'
47POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'
48