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# EXEC_PATH is the compiler execute path, for example, GCC, Keil MDK, IAR
14if  CROSS_TOOL == 'gcc':
15    PLATFORM    = 'gcc'
16    EXEC_PATH   = r'C:\Users\XXYYZZ'
17elif CROSS_TOOL == 'keil':
18    PLATFORM    = 'armcc'
19    EXEC_PATH   = r'C:/Keil_v5'
20elif CROSS_TOOL == 'iar':
21    PLATFORM    = 'iccarm'
22    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
23
24if os.getenv('RTT_EXEC_PATH'):
25    EXEC_PATH = os.getenv('RTT_EXEC_PATH')
26
27BUILD = 'debug'
28#BUILD = 'release'
29
30if PLATFORM == 'gcc':
31    PREFIX = 'arm-none-eabi-'
32    CC = PREFIX + 'gcc'
33    AS = PREFIX + 'gcc'
34    AR = PREFIX + 'ar'
35    CXX = PREFIX + 'g++'
36    LINK = PREFIX + 'gcc'
37    SIZE = PREFIX + 'size'
38    OBJDUMP = PREFIX + 'objdump'
39    OBJCPY = PREFIX + 'objcopy'
40
41    TARGET_EXT = 'elf'
42
43    DEVICE = ' -mcpu=cortex-m4 -mthumb -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
59    POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'
60
61elif PLATFORM == 'armcc':
62    CC = 'armcc'
63    CXX = 'armcc'
64    AS = 'armasm'
65    AR = 'armar'
66    LINK = 'armlink'
67    TARGET_EXT = 'axf'
68
69    DEVICE = ' --cpu ' + CPU
70    CFLAGS = '-c ' + DEVICE + ' --apcs=interwork'
71    AFLAGS = DEVICE + ' --apcs=interwork '
72    LFLAGS = DEVICE + ' --scatter "board/linker_scripts/link.sct" --info sizes --info totals --info unused --info veneers --list rtthread.map --strict'
73
74    CFLAGS += ' -I' + EXEC_PATH + '/ARM/ARMCC/include'
75    LFLAGS += ' --libpath=' + EXEC_PATH + '/ARM/ARMCC/lib'
76
77    CFLAGS += ' -D__MICROLIB '
78    AFLAGS += ' --pd "__MICROLIB SETA 1" '
79    LFLAGS += ' --library_type=microlib '
80    EXEC_PATH += '/ARM/ARMCC/bin/'
81
82    if BUILD == 'debug':
83        CFLAGS += ' -g -O0'
84        AFLAGS += ' -g'
85    else:
86        CFLAGS += ' -O2'
87
88    CXXFLAGS = CFLAGS
89    CFLAGS += ' --c99'
90
91    POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
92
93elif PLATFORM == 'iccarm':
94    CC = 'iccarm'
95    CXX = 'iccarm'
96    AS = 'iasmarm'
97    AR = 'iarchive'
98    LINK = 'ilinkarm'
99    TARGET_EXT = 'out'
100    DEVICE = '-Dewarm'
101
102    CFLAGS = DEVICE
103    CFLAGS += ' --diag_suppress Pa050'
104    CFLAGS += ' --no_cse'
105    CFLAGS += ' --no_unroll'
106    CFLAGS += ' --no_inline'
107    CFLAGS += ' --no_code_motion'
108    CFLAGS += ' --no_tbaa'
109    CFLAGS += ' --no_clustering'
110    CFLAGS += ' --no_scheduling'
111    CFLAGS += ' --debug'
112    CFLAGS += ' --endian=little'
113    CFLAGS += ' --cpu=' + CPU
114    CFLAGS += ' -e'
115    CFLAGS += ' --dlib_config "' + EXEC_PATH + '/arm/INC/c/DLib_Config_Normal.h"'
116    CFLAGS += ' --silent'
117
118    AFLAGS = DEVICE
119    AFLAGS += ' -s+'
120    AFLAGS += ' -w+'
121    AFLAGS += ' -r'
122    AFLAGS += ' --cpu ' + CPU
123    AFLAGS += ' -S'
124
125    if BUILD == 'debug':
126        CFLAGS += ' --debug'
127        CFLAGS += ' -On'
128    else:
129        CFLAGS += ' -Oh'
130
131    CXXFLAGS = CFLAGS
132    LFLAGS = ' --config "board/linker_scripts/link.icf"'
133    LFLAGS += ' --entry __iar_program_start'
134
135    EXEC_PATH = EXEC_PATH + '/arm/bin/'
136    POST_ACTION = 'ielftool --bin $TARGET rtthread.bin'
137