1import os
2
3# toolchains options
4ARCH='arm'
5CPU='cortex-m7'
6CROSS_TOOL='gcc'
7
8if os.getenv('RTT_CC'):
9    CROSS_TOOL = os.getenv('RTT_CC')
10if os.getenv('RTT_ROOT'):
11    RTT_ROOT = os.getenv('RTT_ROOT')
12
13# cross_tool provides the cross compiler
14# EXEC_PATH is the compiler execute path, for example, CodeSourcery, Keil MDK, IAR
15if  CROSS_TOOL == 'gcc':
16    PLATFORM    = 'gcc'
17    EXEC_PATH   = r'/usr/local/Cellar/arm-none-eabi-gcc/7-2017-q4-major/gcc/bin/'
18elif CROSS_TOOL == 'keil':
19    PLATFORM    = 'armcc'
20    EXEC_PATH   = r'C:/Keil_v5'
21elif CROSS_TOOL == 'iar':
22    PLATFORM    = 'iccarm'
23    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
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    CXX = PREFIX + 'g++'
35    AS = PREFIX + 'gcc'
36    AR = PREFIX + 'ar'
37    CXX = PREFIX + 'g++'
38    LINK = PREFIX + 'gcc'
39    TARGET_EXT = 'elf'
40    SIZE = PREFIX + 'size'
41    OBJDUMP = PREFIX + 'objdump'
42    OBJCPY = PREFIX + 'objcopy'
43    STRIP = PREFIX + 'strip'
44
45    DEVICE = ' -mcpu=' + CPU + ' -mthumb -mfpu=fpv5-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections'
46    CFLAGS = DEVICE + ' -g -Wall'
47    AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -Wa,-mimplicit-it=thumb '
48    LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,Reset_Handler -T board/linker_scripts/link.lds'
49
50    CPATH = ''
51    LPATH = ''
52
53    if BUILD == 'debug':
54        CFLAGS += ' -O0 -gdwarf-2'
55        AFLAGS += ' -gdwarf-2'
56    else:
57        CFLAGS += ' -O2 -Os'
58
59    CXXFLAGS = CFLAGS
60
61    POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'
62
63    # module setting
64    CXXFLAGS = ' -Woverloaded-virtual -fno-exceptions -fno-rtti '
65    M_CFLAGS = CFLAGS + ' -mlong-calls -fPIC '
66    M_CXXFLAGS = CXXFLAGS + ' -mlong-calls -fPIC'
67    M_LFLAGS = DEVICE + CXXFLAGS + ' -Wl,--gc-sections,-z,max-page-size=0x4' +\
68                                    ' -shared -fPIC -nostartfiles -static-libgcc'
69    M_POST_ACTION = STRIP + ' -R .hash $TARGET\n' + SIZE + ' $TARGET \n'
70
71elif PLATFORM == 'armcc':
72    # toolchains
73    CC = 'armcc'
74    CXX = 'armcc'
75    AS = 'armasm'
76    AR = 'armar'
77    LINK = 'armlink'
78    TARGET_EXT = 'axf'
79
80    DEVICE = ' --cpu Cortex-M7.fp.sp --fpu=FPv4-SP'
81    CFLAGS = DEVICE + ' --apcs=interwork '
82    AFLAGS = DEVICE
83    LFLAGS = DEVICE + ' --info sizes --info totals --info unused --info veneers --list rtthread.map --scatter rtthread.sct'
84
85    CFLAGS += ' -I' + EXEC_PATH + '/ARM/ARMCC/INC'
86    LFLAGS += ' --libpath "' + EXEC_PATH + '/ARM/ARMCC/lib"'
87
88    EXEC_PATH += '/arm/bin40/'
89
90    if BUILD == 'debug':
91        CFLAGS += ' -g -O0'
92        AFLAGS += ' -g'
93    else:
94        CFLAGS += ' -O2 -Otime'
95
96    CXXFLAGS = CFLAGS
97
98    POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
99
100elif PLATFORM == 'armclang':
101    # toolchains
102    CC = 'armclang'
103    CXX = 'armclang'
104    AS = 'armasm'
105    AR = 'armar'
106    LINK = 'armlink'
107    TARGET_EXT = 'axf'
108
109    DEVICE = ' --cpu Cortex-M7.fp '
110    CFLAGS = ' --target=arm-arm-none-eabi -mcpu=cortex-m7 '
111    CFLAGS += ' -mcpu=cortex-m7 -mfpu=fpv5-sp-d16 '
112    CFLAGS += ' -mfloat-abi=hard -c -fno-rtti -funsigned-char -fshort-enums -fshort-wchar '
113    CFLAGS += ' -gdwarf-3 -ffunction-sections '
114    AFLAGS = DEVICE + ' --apcs=interwork '
115    LFLAGS = DEVICE + ' --info sizes --info totals --info unused --info veneers '
116    LFLAGS += ' --list rt-thread.map '
117    LFLAGS += r' --strict --scatter "board\linker_scripts\link.sct" '
118    CFLAGS += ' -I' + EXEC_PATH + '/ARM/ARMCLANG/include'
119    LFLAGS += ' --libpath=' + EXEC_PATH + '/ARM/ARMCLANG/lib'
120
121    EXEC_PATH += '/ARM/ARMCLANG/bin/'
122
123    if BUILD == 'debug':
124        CFLAGS += ' -g -O1' # armclang recommend
125        AFLAGS += ' -g'
126    else:
127        CFLAGS += ' -O2'
128
129    CXXFLAGS = CFLAGS
130    CFLAGS += ' -std=c99'
131
132    POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
133
134elif PLATFORM == 'iccarm':
135    # toolchains
136    CC = 'iccarm'
137    CXX = 'iccarm'
138    AS = 'iasmarm'
139    AR = 'iarchive'
140    LINK = 'ilinkarm'
141    TARGET_EXT = 'out'
142
143    DEVICE = ''
144
145    CFLAGS = DEVICE
146    CFLAGS += ' --diag_suppress Pa050'
147    CFLAGS += ' --no_cse'
148    CFLAGS += ' --no_unroll'
149    CFLAGS += ' --no_inline'
150    CFLAGS += ' --no_code_motion'
151    CFLAGS += ' --no_tbaa'
152    CFLAGS += ' --no_clustering'
153    CFLAGS += ' --no_scheduling'
154    CFLAGS += ' --debug'
155    CFLAGS += ' --endian=little'
156    CFLAGS += ' --cpu=Cortex-M7'
157    CFLAGS += ' -e'
158    CFLAGS += ' --fpu=None'
159    CFLAGS += ' --dlib_config "' + EXEC_PATH + '/arm/INC/c/DLib_Config_Normal.h"'
160    CFLAGS += ' -Ol'
161    CFLAGS += ' --use_c++_inline'
162    CFLAGS += ' --silent'
163
164    AFLAGS = ''
165    AFLAGS += ' -s+'
166    AFLAGS += ' -w+'
167    AFLAGS += ' -r'
168    AFLAGS += ' --cpu Cortex-M7'
169    AFLAGS += ' --fpu None'
170    AFLAGS += ' -S'
171
172    LFLAGS = ' --config rtthread.icf'
173    LFLAGS += ' --redirect _Printf=_PrintfTiny'
174    LFLAGS += ' --redirect _Scanf=_ScanfSmall'
175    LFLAGS += ' --entry __iar_program_start'
176    LFLAGS += ' --silent'
177
178    CXXFLAGS = CFLAGS
179
180    EXEC_PATH = EXEC_PATH + '/arm/bin/'
181    POST_ACTION = ''
182
183def dist_handle(BSP_ROOT, dist_dir):
184    import sys
185    cwd_path = os.getcwd()
186    sys.path.append(os.path.join(os.path.dirname(BSP_ROOT), 'tools'))
187    from sdk_dist import dist_do_building
188    dist_do_building(BSP_ROOT, dist_dir)
189