1import os
2
3# toolchains options
4ARCH='arm'
5CPU='cortex-m7'
6CROSS_TOOL='gcc'
7
8# bsp lib config
9BSP_LIBRARY_TYPE = None
10
11if os.getenv('RTT_CC'):
12    CROSS_TOOL = os.getenv('RTT_CC')
13if os.getenv('RTT_ROOT'):
14    RTT_ROOT = os.getenv('RTT_ROOT')
15
16# cross_tool provides the cross compiler
17# EXEC_PATH is the compiler execute path, for example, CodeSourcery, Keil MDK, IAR
18if  CROSS_TOOL == 'gcc':
19    PLATFORM    = 'gcc'
20    EXEC_PATH   = r'/opt/gcc-arm-none-eabi/bin/'
21elif CROSS_TOOL == 'keil':
22    PLATFORM    = 'armcc'
23    EXEC_PATH   = r'C:/Keil_v5'
24
25if os.getenv('RTT_EXEC_PATH'):
26    EXEC_PATH = os.getenv('RTT_EXEC_PATH')
27
28BUILD = 'debug'
29
30if PLATFORM == 'gcc':
31    # toolchains
32    PREFIX = 'arm-none-eabi-'
33    CC = PREFIX + 'gcc'
34    AS = PREFIX + 'gcc'
35    AR = PREFIX + 'ar'
36    CXX = PREFIX + 'g++'
37    LINK = PREFIX + 'gcc'
38    TARGET_EXT = 'elf'
39    SIZE = PREFIX + 'size'
40    OBJDUMP = PREFIX + 'objdump'
41    OBJCPY = PREFIX + 'objcopy'
42
43    DEVICE = ' -mcpu=cortex-m7 -mthumb -mfpu=fpv5-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections'
44    CFLAGS = DEVICE + ' -Dgcc'
45    AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -Wa,-mimplicit-it=thumb '
46    LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,Reset_Handler -T board/linker_scripts/link.lds'
47
48    CPATH = ''
49    LPATH = ''
50
51    if BUILD == 'debug':
52        CFLAGS += ' -O0 -gdwarf-2 -g'
53        AFLAGS += ' -gdwarf-2'
54    else:
55        CFLAGS += ' -O2'
56
57    CXXFLAGS = CFLAGS
58    CFLAGS += ' -std=gnu99'
59
60    POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'
61
62elif PLATFORM == 'armcc':
63    # toolchains
64    CC = 'armcc'
65    CXX = 'armcc'
66    AS = 'armasm'
67    AR = 'armar'
68    LINK = 'armlink'
69    TARGET_EXT = 'axf'
70
71    DEVICE = ' --cpu Cortex-M7.fp.sp'
72    CFLAGS = '-c ' + DEVICE + ' --apcs=interwork --c99'
73    AFLAGS = DEVICE + ' --apcs=interwork '
74    LFLAGS = DEVICE + ' --scatter "board\linker_scripts\link.sct" --info sizes --info totals --info unused --info veneers --list rtthread.map --strict'
75    CFLAGS += ' -I' + EXEC_PATH + '/ARM/ARMCC/include'
76    LFLAGS += ' --libpath=' + EXEC_PATH + '/ARM/ARMCC/lib'
77
78    CFLAGS += ' -D__MICROLIB '
79    AFLAGS += ' --pd "__MICROLIB SETA 1" '
80    LFLAGS += ' --library_type=microlib '
81    EXEC_PATH += '/ARM/ARMCC/bin/'
82
83    if BUILD == 'debug':
84        CFLAGS += ' -g -O0'
85        AFLAGS += ' -g'
86    else:
87        CFLAGS += ' -O2'
88
89    CXXFLAGS = CFLAGS
90    CFLAGS += ' -std=gnu99'
91
92    POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
93
94elif PLATFORM == 'armclang':
95    # toolchains
96    CC = 'armclang'
97    CXX = 'armclang'
98    AS = 'armasm'
99    AR = 'armar'
100    LINK = 'armlink'
101    TARGET_EXT = 'axf'
102
103    DEVICE = ' --cpu Cortex-M7.fp.sp '
104    CFLAGS = ' --target=arm-arm-none-eabi -mcpu=cortex-M7 '
105    CFLAGS += ' -mcpu=cortex-M7 -mfpu=fpv4-sp-d16 '
106    CFLAGS += ' -mfloat-abi=hard -c -fno-rtti -funsigned-char -fshort-enums -fshort-wchar '
107    CFLAGS += ' -gdwarf-3 -ffunction-sections '
108    AFLAGS = DEVICE + ' --apcs=interwork '
109    LFLAGS = DEVICE + ' --info sizes --info totals --info unused --info veneers '
110    LFLAGS += ' --list rt-thread.map '
111    LFLAGS += r' --strict --scatter "board\linker_scripts\link.sct" '
112    CFLAGS += ' -I' + EXEC_PATH + '/ARM/ARMCLANG/include'
113    LFLAGS += ' --libpath=' + EXEC_PATH + '/ARM/ARMCLANG/lib'
114
115    EXEC_PATH += '/ARM/ARMCLANG/bin/'
116
117    if BUILD == 'debug':
118        CFLAGS += ' -g -O1' # armclang recommend
119        AFLAGS += ' -g'
120    else:
121        CFLAGS += ' -O2'
122
123    CXXFLAGS = CFLAGS
124    CFLAGS += ' -std=gnu99'
125
126    POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
127
128def dist_handle(BSP_ROOT, dist_dir):
129    import sys
130    cwd_path = os.getcwd()
131    sys.path.append(os.path.join(os.path.dirname(BSP_ROOT), 'tools'))
132    from sdk_dist import dist_do_building
133    dist_do_building(BSP_ROOT, dist_dir)
134