1import os
2
3# core to be use
4USE_CORE = 'CORE_M0'
5
6# toolchains options
7ARCH='arm'
8
9CPU = 'cortex-m0'
10
11CROSS_TOOL='keil'
12
13
14# get setting from environment.
15if os.getenv('RTT_CC'):
16        CROSS_TOOL = os.getenv('RTT_CC')
17
18# cross_tool provides the cross compiler
19# EXEC_PATH is the compiler execute path, for example, CodeSourcery, Keil MDK, IAR
20if  CROSS_TOOL == 'gcc':
21    PLATFORM = 'gcc'
22    EXEC_PATH = r'C:/Program Files/CodeSourcery/arm-none-eabi/bin'
23elif CROSS_TOOL == 'keil':
24    PLATFORM = 'armcc'
25    EXEC_PATH = r'D:/Keil'
26elif CROSS_TOOL == 'iar':
27    PLATFORM = 'iccarm'
28    EXEC_PATH = r'C:/Program Files/IAR Systems/Embedded Workbench 6.0'
29
30if os.getenv('RTT_EXEC_PATH'):
31        EXEC_PATH = os.getenv('RTT_EXEC_PATH')
32
33#
34BUILD = 'debug'
35
36if PLATFORM == 'gcc':
37    # toolchains
38    PREFIX = 'arm-none-eabi-'
39    CC = PREFIX + 'gcc'
40    AS = PREFIX + 'gcc'
41    AR = PREFIX + 'ar'
42    LINK = PREFIX + 'gcc'
43    TARGET_EXT = 'elf'
44    SIZE = PREFIX + 'size'
45    OBJDUMP = PREFIX + 'objdump'
46    OBJCPY = PREFIX + 'objcopy'
47    DEVICE = ' -mthumb -mcpu=cortex-m0 -ffunction-sections -fdata-sections -Wall'
48    CFLAGS = DEVICE
49    AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -Wa,-mimplicit-it=thumb '
50    LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread-lpc43xx.map,-cref,-u,Reset_Handler -T rtthread-lpc43xx.ld'
51
52    CPATH = ''
53    LPATH = ''
54
55    CFLAGS += ' -gdwarf-2'
56    AFLAGS += ' -gdwarf-2'
57    if BUILD == 'debug':
58        CFLAGS += ' -O0'
59    else:
60        CFLAGS += ' -O2'
61
62    POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' +\
63                  SIZE + ' $TARGET \n' +\
64                  '../bin2C.py rtthread.bin ../M4/applications/M0_CODE.h'
65
66elif PLATFORM == 'armcc':
67    # toolchains
68    CC = 'armcc'
69    AS = 'armasm'
70    AR = 'armar'
71    LINK = 'armlink'
72    TARGET_EXT = 'axf'
73
74    DEVICE = ' --device DARMSTM'
75    CFLAGS = DEVICE + ' --apcs=interwork'
76    AFLAGS = DEVICE
77    LFLAGS = DEVICE + ' --info sizes --info totals --info unused --info veneers --list rtthread-lpc43xx.map --scatter rtthread-lpc43xx_spifi.sct'
78
79    CFLAGS += ' -I' + EXEC_PATH + '/ARM/RV31/INC'
80    LFLAGS += ' --libpath ' + EXEC_PATH + '/ARM/RV31/LIB'
81
82    EXEC_PATH += '/arm/bin40/'
83
84    if BUILD == 'debug':
85        CFLAGS += ' -g -O0'
86        AFLAGS += ' -g'
87    else:
88        CFLAGS += ' -O2'
89
90    POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
91
92elif PLATFORM == 'iccarm':
93    # toolchains
94    CC = 'iccarm'
95    AS = 'iasmarm'
96    AR = 'iarchive'
97    LINK = 'ilinkarm'
98    TARGET_EXT = 'out'
99
100    CFLAGS = ' --diag_suppress Pa050'
101    CFLAGS += ' --no_cse'
102    CFLAGS += ' --no_unroll'
103    CFLAGS += ' --no_inline'
104    CFLAGS += ' --no_code_motion'
105    CFLAGS += ' --no_tbaa'
106    CFLAGS += ' --no_clustering'
107    CFLAGS += ' --no_scheduling'
108    CFLAGS += ' --debug'
109    CFLAGS += ' --endian=little'
110    if USE_CORE == 'CORE_M4':
111        CFLAGS += ' --cpu=Cortex-M4'
112        CFLAGS += ' --fpu=None'
113    else:
114        CFLAGS += ' --cpu=Cortex-M0'
115    CFLAGS += ' -e'
116    CFLAGS += ' --dlib_config "' + EXEC_PATH + '/arm/INC/c/DLib_Config_Normal.h"'
117    CFLAGS += ' -Ol'
118    CFLAGS += ' --use_c++_inline'
119
120    AFLAGS = ''
121    AFLAGS += ' -s+'
122    AFLAGS += ' -w+'
123    AFLAGS += ' -r'
124    if USE_CORE == 'CORE_M4':
125        AFLAGS += ' --cpu Cortex-M4'
126        AFLAGS += ' --fpu None'
127    else:
128        AFLAGS += ' --cpu Cortex-M0'
129
130    LFLAGS = ' --config lpc43xx_flash.icf'
131    LFLAGS += ' --redirect _Printf=_PrintfTiny'
132    LFLAGS += ' --redirect _Scanf=_ScanfSmall'
133    LFLAGS += ' --entry __iar_program_start'
134
135    EXEC_PATH = EXEC_PATH + '/arm/bin/'
136    POST_ACTION = ''
137