1import os
2
3# toolchains options
4ARCH='arm'
5CPU='i.mx6'
6CROSS_TOOL='gcc'
7
8if os.getenv('RTT_CC'):
9    CROSS_TOOL = os.getenv('RTT_CC')
10
11if  CROSS_TOOL == 'gcc':
12    PLATFORM 	= 'gcc'
13    # EXEC_PATH 	= r'/opt/arm-2012.09/bin'
14    EXEC_PATH   = r'/opt/gcc-arm-none-eabi-4_8-2014q1_gri/bin'
15elif CROSS_TOOL == 'keil':
16    PLATFORM 	= 'armcc'
17    EXEC_PATH 	= 'C:/Keil'
18
19if os.getenv('RTT_EXEC_PATH'):
20	EXEC_PATH = os.getenv('RTT_EXEC_PATH')
21
22BUILD = 'debug'
23
24if PLATFORM == 'gcc':
25    # toolchains
26    PREFIX = 'arm-none-eabi-'
27    CC = PREFIX + 'gcc'
28    CXX = PREFIX + 'g++'
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 = ' -march=armv7-a -mtune=cortex-a9 -mfpu=vfpv3-d16 -ftree-vectorize -ffast-math -mfloat-abi=softfp'
38    CFLAGS = DEVICE + ' -Wall'
39    AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -D__ASSEMBLY__'
40    LINK_SCRIPT = 'imx6.lds'
41    LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread-imx6.map,-cref,-u,system_vectors'+\
42                      ' -T %s' % LINK_SCRIPT
43
44    CPATH = ''
45    LPATH = ''
46
47    # generate debug info in all cases
48    AFLAGS += ' -gdwarf-2'
49    CFLAGS += ' -g -gdwarf-2'
50
51    if BUILD == 'debug':
52        CFLAGS += ' -O0'
53    else:
54        CFLAGS += ' -O2'
55
56    POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' +\
57                  SIZE + ' $TARGET \n'
58
59elif PLATFORM == 'armcc':
60    # toolchains
61    CC = 'armcc'
62    CXX = 'armcc'
63    AS = 'armasm'
64    AR = 'armar'
65    LINK = 'armlink'
66    TARGET_EXT = 'axf'
67
68    DEVICE = ' --device DARMP'
69    CFLAGS = DEVICE + ' --apcs=interwork'
70    AFLAGS = DEVICE
71    LFLAGS = DEVICE + ' --info sizes --info totals --info unused --info veneers --list rtthread-imx6.map --scatter imx6.sct'
72
73    CFLAGS += ' -I' + EXEC_PATH + '/ARM/RV31/INC'
74    LFLAGS += ' --libpath ' + EXEC_PATH + '/ARM/RV31/LIB'
75
76    EXEC_PATH += '/arm/bin40/'
77
78    if BUILD == 'debug':
79        CFLAGS += ' -g -O0'
80        AFLAGS += ' -g'
81    else:
82        CFLAGS += ' -O2'
83
84    POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
85
86elif PLATFORM == 'iccarm':
87    # toolchains
88    CC = 'iccarm'
89    AS = 'iasmarm'
90    AR = 'iarchive'
91    LINK = 'ilinkarm'
92    TARGET_EXT = 'out'
93
94    DEVICE = ' --cpu DARMP'
95
96    CFLAGS = ''
97    AFLAGS = ''
98    LFLAGS = ' --config imx6.icf'
99
100    EXEC_PATH += '/arm/bin/'
101    RT_USING_MINILIBC = False
102    POST_ACTION = ''
103