1import os
2
3# toolchains options
4ARCH        ='risc-v'
5VENDOR      ='t-head'
6CPU         ='c906'
7CROSS_TOOL  ='gcc'
8
9if os.getenv('RTT_ROOT'):
10    RTT_ROOT = os.getenv('RTT_ROOT')
11else:
12    RTT_ROOT = r'../../../..'
13
14if os.getenv('RTT_CC'):
15    CROSS_TOOL = os.getenv('RTT_CC')
16
17if  CROSS_TOOL == 'gcc':
18    PLATFORM    = 'gcc'
19    EXEC_PATH   = r'/opt/riscv64_musl/bin'
20else:
21    print('Please make sure your toolchains is GNU GCC!')
22    exit(0)
23
24if os.getenv('RTT_EXEC_PATH'):
25    EXEC_PATH = os.getenv('RTT_EXEC_PATH')
26
27BUILD = 'debug'
28
29if PLATFORM == 'gcc':
30    # toolchains
31    PREFIX  = os.getenv('RTT_CC_PREFIX') or 'riscv64-unknown-linux-musl-'
32    CC      = PREFIX + 'gcc'
33    CXX     = PREFIX + 'g++'
34    AS      = PREFIX + 'gcc'
35    AR      = PREFIX + 'ar'
36    LINK    = PREFIX + 'gcc'
37    TARGET_EXT = 'elf'
38    SIZE    = PREFIX + 'size'
39    OBJDUMP = PREFIX + 'objdump'
40    OBJCPY  = PREFIX + 'objcopy'
41
42    DEVICE  = ' -march=rv64imafdc -mabi=lp64 -mcmodel=medany'
43    CFLAGS  = DEVICE + ' -Wall -Wno-cpp -Wno-error=unused-function -Wno-error=unused-but-set-variable -Wno-error=unused-variable -Wno-error=deprecated-declarations -Wextra -Wno-unused-parameter -Wno-sign-compare'
44    CFLAGS += ' -Wno-old-style-declaration -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -fshort-enums -fcommon -ffreestanding -fno-strict-aliasing -fno-jump-tables -save-temps=obj'
45    CFLAGS += ' -D_POSIX_SOURCE'
46    CFLAGS += ' -DCFG_COMPONENT_BLOG_ENABLE=0 -DBFLB_USE_HAL_DRIVER -DCPU_D0 -DBL808 -DLOG_UART_ID_0'
47
48    AFLAGS  = ' -c' + DEVICE + ' -x assembler-with-cpp -D__ASSEMBLY__'
49    LFLAGS  = DEVICE + ' -nostartfiles -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,_start -T board/linker_scripts/link.lds' + ' -lsupc++ -lgcc -static'
50    CPATH   = ''
51    LPATH   = ''
52
53    if BUILD == 'debug':
54        CFLAGS += ' -O0 -gdwarf'
55        AFLAGS += ' -gdwarf'
56    else:
57        CFLAGS += ' -O3'
58
59    CXXFLAGS = CFLAGS
60
61DUMP_ACTION = OBJDUMP + ' -D -S $TARGET > rtt.asm\n'
62POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread_d0.bin\n' + SIZE + ' $TARGET \n'
63POST_ACTION += 'python3 merge_rtsmart.py'
64