1import os
2
3# toolchains options
4ARCH        ='aarch64'
5CPU         ='cortex-a'
6CROSS_TOOL  ='gcc'
7
8if os.getenv('RTT_ROOT'):
9    RTT_ROOT = os.getenv('RTT_ROOT')
10else:
11    RTT_ROOT = os.path.join(os.getcwd(), '..', '..', '..')
12
13if os.getenv('RTT_CC'):
14    CROSS_TOOL = os.getenv('RTT_CC')
15
16PLATFORM    = 'gcc'
17EXEC_PATH   = r'/opt/gcc-arm-8.3-2019.03-x86_64-aarch64-elf/bin/'
18
19EXEC_PATH   = os.getenv('RTT_EXEC_PATH') or '/usr/bin'
20
21BUILD = 'release'
22
23if PLATFORM == 'gcc':
24    # toolchains
25    PREFIX  = os.getenv('RTT_CC_PREFIX') or 'aarch64-none-elf-'
26    CC      = PREFIX + 'gcc'
27    CXX     = PREFIX + 'g++'
28    CPP     = PREFIX + 'cpp'
29    AS      = PREFIX + 'gcc'
30    AR      = PREFIX + 'ar'
31    LINK    = PREFIX + 'gcc'
32    TARGET_EXT = 'elf'
33    SIZE    = PREFIX + 'size'
34    OBJDUMP = PREFIX + 'objdump'
35    OBJCPY  = PREFIX + 'objcopy'
36
37    DEVICE = ' -g -march=armv8.2-a -mtune=cortex-a55 -fdiagnostics-color=always'
38    CPPFLAGS= ' -E -P -x assembler-with-cpp'
39    CFLAGS = DEVICE + ' -Wall -Wno-cpp'
40    AFLAGS = ' -c' + ' -x assembler-with-cpp -D__ASSEMBLY__'
41    LFLAGS  = DEVICE + ' -nostartfiles -Wl,--no-warn-rwx-segments -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,system_vectors -T link.lds'
42    CPATH   = ''
43    LPATH   = ''
44
45    if BUILD == 'debug':
46        CFLAGS += ' -O0 -ggdb'
47        CPPFLAGS += ' -O0 -ggdb'
48        AFLAGS += ' -ggdb'
49    else:
50        CFLAGS += ' -O2 -ggdb'
51        CPPFLAGS += ' -O2 -ggdb'
52
53    CXXFLAGS = CFLAGS
54
55DUMP_ACTION = OBJDUMP + ' -D -S $TARGET > rtt.asm\n'
56POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'
57POST_ACTION += 'md5sum rtthread.bin\n'
58