1import os
2
3# toolchains options
4# CPUNAME = e906/e906f/e906fd/e906p/e906fp/e906fdp
5# CPUNAME = e907/e907f/e907fd/e907p/e907fp/e907fdp
6ARCH        ='risc-v'
7CPU         ='e9xx'
8CPUNAME     ='e906fdp'
9VENDOR      ='t-head'
10CROSS_TOOL  ='gcc'
11
12if os.getenv('RTT_CC'):
13    CROSS_TOOL = os.getenv('RTT_CC')
14
15if  CROSS_TOOL == 'gcc':
16    PLATFORM    = 'gcc'
17    EXEC_PATH   = r'/home/chenzx/.thead/riscv64-elf-x86_64-2.0.1/bin/'
18else:
19    print ('Please make sure your toolchains is GNU GCC!')
20    exit(0)
21
22if os.getenv('RTT_EXEC_PATH'):
23    EXEC_PATH = os.getenv('RTT_EXEC_PATH')
24
25# BUILD = 'debug'
26BUILD = 'release'
27
28if PLATFORM == 'gcc':
29    # toolchains
30    PREFIX  = 'riscv64-unknown-elf-'
31    CC      = PREFIX + 'gcc'
32    CXX     = PREFIX + 'g++'
33    AS      = PREFIX + 'gcc'
34    AR      = PREFIX + 'ar'
35    LINK    = PREFIX + 'g++'
36    TARGET_EXT = 'elf'
37    SIZE    = PREFIX + 'size'
38    OBJDUMP = PREFIX + 'objdump'
39    OBJCPY  = PREFIX + 'objcopy'
40    STRIP   = PREFIX + 'strip'
41
42
43    if CPUNAME == 'e906fdp' or CPUNAME == 'e907fdp':
44        DEVICE = ' -march=rv32imafdcpzp64_xtheade -mabi=ilp32d'
45    if CPUNAME == 'e906fp' or CPUNAME == 'e907fp':
46        DEVICE = ' -march=rv32imafcpzp64_xtheade -mabi=ilp32f'
47    if CPUNAME == 'e906p' or CPUNAME == 'e907p':
48        DEVICE = ' -march=rv32imacpzp64_xtheade -mabi=ilp32'
49    if CPUNAME == 'e906fd' or CPUNAME == 'e907fd':
50        DEVICE = ' -march=rv32imafdc_xtheade -mabi=ilp32d'
51    if CPUNAME == 'e906f' or CPUNAME == 'e907f':
52        DEVICE = ' -march=rv32imafc_xtheade -mabi=ilp32f'
53    if CPUNAME == 'e906' or CPUNAME == 'e907':
54        DEVICE = ' -march=rv32imac_xtheade -mabi=ilp32'
55
56    CFLAGS  = DEVICE + ' -c -g -ffunction-sections -fdata-sections -Wall -mcmodel=medlow'
57    AFLAGS  = ' -c' + DEVICE + ' -x assembler-with-cpp'
58    LFLAGS  = DEVICE + ' -nostartfiles -Wl,--no-whole-archive -T gcc_csky.ld -lm -lc -lgcc -Wl,-gc-sections -Wl,-zmax-page-size=1024 -Wl,-Map=rtt.map'
59    CPATH   = ''
60    LPATH   = ''
61
62    if BUILD == 'debug':
63        CFLAGS += ' -O0 -gdwarf-2'
64        AFLAGS += ' -gdwarf-2'
65    else:
66        CFLAGS += ' -O2 -g2'
67
68    CXXFLAGS = CFLAGS
69
70DUMP_ACTION = OBJDUMP + ' -D -S $TARGET > rtt.asm\n'
71POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'
72