1import os
2import sys
3
4# toolchains options
5CROSS_TOOL = 'keil'
6
7if os.getenv('RTT_CC'):
8    CROSS_TOOL = os.getenv('RTT_CC')
9
10# device options
11ARCH = 'arm'
12CPU = 'cortex-m0'
13
14# cross_tool provides the cross compiler
15# EXEC_PATH is the compiler execute path, for example, CodeSourcery, Keil MDK, IAR
16if  CROSS_TOOL  == 'gcc': # not support gcc yet
17    PLATFORM    = 'gcc'
18    EXEC_PATH   = r'C:/GCC'
19
20elif CROSS_TOOL == 'keil':
21    PLATFORM    = 'armcc'
22    EXEC_PATH   = r'C:/Keil'
23
24elif CROSS_TOOL == 'iar': # not support iar yet
25    PLATFORM    = 'iccarm'
26    EXEC_PATH   = r'C:/IAR'
27
28if os.getenv('RTT_EXEC_PATH'):
29    EXEC_PATH = os.getenv('RTT_EXEC_PATH')
30
31BUILD = 'debug'
32#BUILD = 'release'
33
34if PLATFORM == 'gcc':
35    # toolchains
36    PREFIX = 'arm-none-eabi-'
37    CC = PREFIX + 'gcc'
38    CXX = PREFIX + 'g++'
39    AS = PREFIX + 'gcc'
40    AR = PREFIX + 'ar'
41    LINK = PREFIX + 'gcc'
42    TARGET_EXT = 'elf'
43    SIZE = PREFIX + 'size'
44    OBJDUMP = PREFIX + 'objdump'
45    OBJCPY = PREFIX + 'objcopy'
46    DEVICE = ' -mcpu=' + CPU + ' -mthumb -ffunction-sections -fdata-sections'
47    CFLAGS = DEVICE
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 board/linker_scripts/link.lds'
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    POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + OBJCPY + ' -O ihex $TARGET rtthread.hex\n' + SIZE + ' $TARGET \n'
61elif PLATFORM == 'armcc':
62    # toolchains
63    CC = 'armcc'
64    AS = 'armasm'
65    AR = 'armar'
66    LINK = 'armlink'
67    TARGET_EXT = 'axf'
68
69    DEVICE = ' --device DARMSTM'
70    CFLAGS = '-c ' + DEVICE + ' --apcs=interwork --c99'
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    POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
89
90elif PLATFORM == 'iccarm':
91    # toolchains
92    CC = 'iccarm'
93    AS = 'iasmarm'
94    AR = 'iarchive'
95    LINK = 'ilinkarm'
96    TARGET_EXT = 'out'
97
98    DEVICE = '-Dewarm'
99
100    CFLAGS = DEVICE
101    CFLAGS += ' --diag_suppress Pa050'
102    CFLAGS += ' --no_cse'
103    CFLAGS += ' --no_unroll'
104    CFLAGS += ' --no_inline'
105    CFLAGS += ' --no_code_motion'
106    CFLAGS += ' --no_tbaa'
107    CFLAGS += ' --no_clustering'
108    CFLAGS += ' --no_scheduling'
109    CFLAGS += ' --endian=little'
110    CFLAGS += ' --cpu=Cortex-M0'
111    CFLAGS += ' -e'
112    CFLAGS += ' --fpu=None'
113    CFLAGS += ' --dlib_config "' + EXEC_PATH + '/arm/INC/c/DLib_Config_Normal.h"'
114    CFLAGS += ' --silent'
115
116    AFLAGS = DEVICE
117    AFLAGS += ' -s+'
118    AFLAGS += ' -w+'
119    AFLAGS += ' -r'
120    AFLAGS += ' --cpu Cortex-M0'
121    AFLAGS += ' --fpu None'
122    AFLAGS += ' -S'
123
124    LFLAGS = ' --config "board\linker_scripts\link.icf"'
125    LFLAGS += ' --redirect _Printf=_PrintfTiny'
126    LFLAGS += ' --redirect _Scanf=_ScanfSmall'
127    if BUILD == 'debug':
128        CFLAGS += ' --debug'
129        CFLAGS += ' -On'
130    else:
131        CFLAGS += ' -Oh'
132
133    LFLAGS += ' --entry __iar_program_start'
134    EXEC_PATH = EXEC_PATH + '/arm/bin/'
135    POST_ACTION = ''
136