1import os
2import rtconfig
3
4# toolchains options
5ARCH        ='arm'
6CPU         ='cortex-a'
7CROSS_TOOL  = 'gcc'
8PLATFORM    = 'gcc'
9EXEC_PATH   = os.getenv('RTT_EXEC_PATH') or r'/usr/bin'
10BUILD       = 'debug'
11
12LINK_SCRIPT = 'link.lds'
13
14
15if PLATFORM == 'gcc':
16    PREFIX  = os.getenv('RTT_CC_PREFIX') or 'arm-none-eabi-'
17    CC      = PREFIX + 'gcc'
18    CXX     = PREFIX + 'g++'
19    CPP     = PREFIX + 'cpp'
20    AS      = PREFIX + 'gcc'
21    AR      = PREFIX + 'ar'
22    LINK    = PREFIX + 'gcc'
23    TARGET_EXT = 'elf'
24    SIZE    = PREFIX + 'size'
25    OBJDUMP = PREFIX + 'objdump'
26    OBJCPY  = PREFIX + 'objcopy'
27    STRIP   = PREFIX + 'strip'
28    CFPFLAGS = ' -msoft-float'
29    AFPFLAGS = ' -mfloat-abi=softfp -mfpu=neon'
30    DEVICE   = ' -march=armv8-a -ftree-vectorize -ffast-math -funwind-tables -fno-strict-aliasing'
31
32    CPPFLAGS= ' -E -P -x assembler-with-cpp'
33    CXXFLAGS= DEVICE + CFPFLAGS + ' -Wall -fdiagnostics-color=always'
34    CFLAGS  = DEVICE + CFPFLAGS + ' -Wall -Wno-cpp -std=gnu99 -D_POSIX_SOURCE -fdiagnostics-color=always'
35    AFLAGS  = DEVICE + ' -c' + AFPFLAGS + ' -x assembler-with-cpp'
36    LFLAGS  = DEVICE + ' -Wl,--gc-sections,-Map=rtthread_a32.map,-cref,-u,system_vectors -T '+ LINK_SCRIPT + ' -lsupc++ -lgcc -static'
37    CPATH   = ''
38    LPATH   = ''
39
40    if BUILD == 'debug':
41        CFLAGS   += ' -O0 -gdwarf-2'
42        CXXFLAGS += ' -O0 -gdwarf-2'
43        AFLAGS   += ' -gdwarf-2'
44    else:
45        CFLAGS   += ' -Os'
46        CXXFLAGS += ' -Os'
47    CXXFLAGS += ' -Woverloaded-virtual -fno-rtti'
48
49    M_CFLAGS = CFLAGS + ' -mlong-calls -fPIC '
50    M_CXXFLAGS = CXXFLAGS + ' -mlong-calls -fPIC'
51    M_LFLAGS = DEVICE + CXXFLAGS + ' -Wl,--gc-sections,-z,max-page-size=0x4' +\
52                                    ' -shared -fPIC -nostartfiles -nostdlib -static-libgcc'
53    M_POST_ACTION = STRIP + ' -R .hash $TARGET\n' + SIZE + ' $TARGET \n'
54
55    DUMP_ACTION = OBJDUMP + ' -D -S $TARGET > rtthread_a32.asm\n'
56    POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread_a32.bin\n' + SIZE + ' $TARGET \n'
57