1import os
2
3# toolchains options
4ARCH='arm'
5CPU='cortex-m4'
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
15
16if  CROSS_TOOL == 'gcc':
17	PLATFORM = 'gcc'
18	EXEC_PATH = r'C:\Program Files (x86)\GNU Tools ARM Embedded\6 2017-q1-update\bin'
19elif CROSS_TOOL == 'keil':
20	PLATFORM = 'armcc'
21	EXEC_PATH = r'C:\Keil_v5'
22elif CROSS_TOOL == 'iar':
23	PLATFORM = 'iccarm'
24	EXEC_PATH = r'C:\Program Files (x86)\IAR Systems\Embedded Workbench 8.2'
25
26if os.getenv('RTT_EXEC_PATH'):
27	EXEC_PATH = os.getenv('RTT_EXEC_PATH')
28
29BUILD = ''
30#BUILD = 'debug'
31
32if PLATFORM == 'gcc':
33    # toolchains
34
35    PREFIX = 'arm-none-eabi-'
36    CC = PREFIX + 'gcc'
37    AS = PREFIX + 'gcc'
38    AR = PREFIX + 'ar'
39    CXX = PREFIX + 'g++'
40    LINK = PREFIX + 'gcc'
41    TARGET_EXT = 'elf'
42    SIZE = PREFIX + 'size'
43    OBJDUMP = PREFIX + 'objdump'
44    OBJCPY = PREFIX + 'objcopy'
45
46    DEVICE = ' -mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections'
47    CFLAGS = DEVICE + ' -Dgcc'
48    AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -Wa,-mimplicit-it=thumb '
49    LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,Reset_Handler -T ./linking_scripts/m480_link.ld '
50
51    CPATH = ''
52    LPATH = ''
53
54    if BUILD == 'debug':
55        CFLAGS += ' -O0 -gdwarf-2 -g'
56        AFLAGS += ' -gdwarf-2'
57    else:
58        CFLAGS += ' -O2'
59
60    CXXFLAGS = CFLAGS
61
62    POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'
63
64elif PLATFORM == 'armcc':
65    # toolchains
66    CC = 'armcc'
67    AS = 'armasm'
68    AR = 'armar'
69    LINK = 'armlink'
70    TARGET_EXT = 'axf'
71
72    DEVICE = ' --cpu=cortex-m4.fp'
73    CFLAGS = DEVICE + ' --apcs=interwork'
74    AFLAGS = DEVICE
75    LFLAGS = DEVICE + ' --info sizes --info totals --info unused --info veneers --list rtthread.map --scatter ./linking_scripts/m480_flash.sct'
76
77    CFLAGS += ' --c99'
78    CFLAGS += ' -I' + EXEC_PATH + '/ARM/RV31/INC'
79    LFLAGS += ' --libpath ' + EXEC_PATH + '/ARM/RV31/LIB'
80
81    EXEC_PATH += '/arm/bin40/'
82
83    if BUILD == 'debug':
84        CFLAGS += ' -g -O0'
85        AFLAGS += ' -g'
86    else:
87        CFLAGS += ' -O2'
88
89    POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
90
91elif PLATFORM == 'iccarm':
92    # toolchains
93    CC = 'iccarm'
94    AS = 'iasmarm'
95    AR = 'iarchive'
96    LINK = 'ilinkarm'
97    TARGET_EXT = 'out'
98
99    DEVICE = ' '
100
101    CFLAGS = DEVICE
102    CFLAGS += ' --diag_suppress Pa050'
103    CFLAGS += ' --no_cse'
104    CFLAGS += ' --no_unroll'
105    CFLAGS += ' --no_inline'
106    CFLAGS += ' --no_code_motion'
107    CFLAGS += ' --no_tbaa'
108    CFLAGS += ' --no_clustering'
109    CFLAGS += ' --no_scheduling'
110    CFLAGS += ' --debug'
111    CFLAGS += ' --endian=little'
112    CFLAGS += ' --cpu=Cortex-M4'
113    CFLAGS += ' -e'
114    CFLAGS += ' --fpu=None'
115    CFLAGS += ' --dlib_config "' + EXEC_PATH + '/arm/INC/c/DLib_Config_Normal.h"'
116    CFLAGS += ' -Ol'
117    CFLAGS += ' --use_c++_inline'
118
119    AFLAGS = ''
120    AFLAGS += ' -s+'
121    AFLAGS += ' -w+'
122    AFLAGS += ' -r'
123    AFLAGS += ' --cpu Cortex-M4'
124    AFLAGS += ' --fpu None'
125
126    LFLAGS = ' --config ./linking_scripts/m480_flash.icf'
127    LFLAGS += ' --redirect _Printf=_PrintfTiny'
128    LFLAGS += ' --redirect _Scanf=_ScanfSmall'
129    LFLAGS += ' --entry __iar_program_start'
130
131    EXEC_PATH = EXEC_PATH + '/arm/bin/'
132    POST_ACTION = ''
133
134def dist_handle(BSP_ROOT, dist_dir):
135    import sys
136    cwd_path = os.getcwd()
137    sys.path.append(os.path.join(os.path.dirname(BSP_ROOT), 'tools'))
138    from sdk_dist import dist_do_building
139    dist_do_building(BSP_ROOT, dist_dir)
140
141