1import os
2
3# core to be use
4#USE_CORE = 'CORE_M0'
5USE_CORE = 'CORE_M4'
6
7# toolchains options
8ARCH='arm'
9
10if USE_CORE == 'CORE_M4':
11    CPU = 'cortex-m4'
12else:
13    CPU = 'cortex-m0'
14
15CROSS_TOOL='keil'
16
17
18# get setting from environment.
19if os.getenv('RTT_CC'):
20        CROSS_TOOL = os.getenv('RTT_CC')
21
22# cross_tool provides the cross compiler
23# EXEC_PATH is the compiler execute path, for example, CodeSourcery, Keil MDK, IAR
24if  CROSS_TOOL == 'gcc':
25    PLATFORM = 'gcc'
26    EXEC_PATH = r'C:/Program Files/CodeSourcery/arm-none-eabi/bin'
27elif CROSS_TOOL == 'keil':
28    PLATFORM = 'armcc'
29    EXEC_PATH = r'D:/Keil'
30elif CROSS_TOOL == 'iar':
31    PLATFORM = 'iccarm'
32    EXEC_PATH = r'C:/Program Files/IAR Systems/Embedded Workbench 6.0'
33
34if os.getenv('RTT_EXEC_PATH'):
35        EXEC_PATH = os.getenv('RTT_EXEC_PATH')
36
37#
38BUILD = 'release'
39
40if PLATFORM == 'gcc':
41    # toolchains
42    PREFIX = 'arm-none-eabi-'
43    CC = PREFIX + 'gcc'
44    AS = PREFIX + 'gcc'
45    AR = PREFIX + 'ar'
46    LINK = PREFIX + 'gcc'
47    TARGET_EXT = 'elf'
48    SIZE = PREFIX + 'size'
49    OBJDUMP = PREFIX + 'objdump'
50    OBJCPY = PREFIX + 'objcopy'
51    DEVICE = ' -mcpu=' + CPU + ' -mthumb -ffunction-sections -fdata-sections'
52    if USE_CORE == 'CORE_M4':
53        DEVICE += ' -mfpu=fpv4-sp-d16 -mfloat-abi=softfp'
54    CFLAGS = DEVICE
55    AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -Wa,-mimplicit-it=thumb '
56    LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread-lpc43xx.map,-cref,-u,Reset_Handler -T rtthread-lpc43xx_spifi.ld'
57
58    CPATH = ''
59    LPATH = ''
60
61    if BUILD == 'debug':
62        CFLAGS += ' -O0 -gdwarf-2'
63        AFLAGS += ' -gdwarf-2'
64    else:
65        CFLAGS += ' -O2'
66
67    POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'
68
69elif PLATFORM == 'armcc':
70    # toolchains
71    CC = 'armcc'
72    AS = 'armasm'
73    AR = 'armar'
74    LINK = 'armlink'
75    TARGET_EXT = 'axf'
76
77    DEVICE = ' --device DARMSTM'
78    CFLAGS = DEVICE + ' --apcs=interwork '
79    AFLAGS = DEVICE
80    LFLAGS = DEVICE + ' --info sizes --info totals --info unused --info veneers --list rtthread-lpc43xx.map --scatter rtthread-lpc43xx_spifi.sct'
81
82    CFLAGS += ' -I' + EXEC_PATH + '/ARM/RV31/INC'
83    LFLAGS += ' --libpath ' + EXEC_PATH + '/ARM/RV31/LIB'
84
85    EXEC_PATH += '/arm/bin40/'
86
87    if BUILD == 'debug':
88        CFLAGS += ' -g -O0'
89        AFLAGS += ' -g'
90    else:
91        CFLAGS += ' -O2'
92
93    POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
94
95elif PLATFORM == 'iccarm':
96    # toolchains
97    CC = 'iccarm'
98    AS = 'iasmarm'
99    AR = 'iarchive'
100    LINK = 'ilinkarm'
101    TARGET_EXT = 'out'
102
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    if USE_CORE == 'CORE_M4':
114        CFLAGS += ' --cpu=Cortex-M4'
115        CFLAGS += ' --fpu=None'
116    else:
117        CFLAGS += ' --cpu=Cortex-M0'
118    CFLAGS += ' -e'
119    CFLAGS += ' --dlib_config "' + EXEC_PATH + '/arm/INC/c/DLib_Config_Normal.h"'
120    CFLAGS += ' -Ol'
121    CFLAGS += ' --use_c++_inline'
122
123    AFLAGS = ''
124    AFLAGS += ' -s+'
125    AFLAGS += ' -w+'
126    AFLAGS += ' -r'
127    if USE_CORE == 'CORE_M4':
128        AFLAGS += ' --cpu Cortex-M4'
129        AFLAGS += ' --fpu None'
130    else:
131        AFLAGS += ' --cpu Cortex-M0'
132
133    LFLAGS = ' --config lpc43xx_flash.icf'
134    LFLAGS += ' --redirect _Printf=_PrintfTiny'
135    LFLAGS += ' --redirect _Scanf=_ScanfSmall'
136    LFLAGS += ' --entry __iar_program_start'
137
138    EXEC_PATH = EXEC_PATH + '/arm/bin/'
139    POST_ACTION = ''
140