1import os
2
3# toolchains options
4ARCH='arm'
5CPU='cortex-m0'
6CROSS_TOOL='gcc'
7
8if os.getenv('RTT_CC'):
9	CROSS_TOOL = os.getenv('RTT_CC')
10
11# cross_tool provides the cross compiler
12# EXEC_PATH is the compiler execute path, for example, CodeSourcery, Keil MDK, IAR
13if  CROSS_TOOL == 'gcc':
14    print('================ERROR============================')
15    print('Not support gcc yet!')
16    print('=================================================')
17    exit(0)
18elif CROSS_TOOL == 'keil':
19    print('================ERROR============================')
20    print('Not support keil yet!')
21    print('=================================================')
22    exit(0)
23elif CROSS_TOOL == 'iar':
24    print('================ERROR============================')
25    print('Not support iar yet!')
26    print('=================================================')
27    exit(0)
28
29if os.getenv('RTT_EXEC_PATH'):
30	EXEC_PATH = os.getenv('RTT_EXEC_PATH')
31
32#BUILD = 'debug'
33BUILD = 'release'
34NV32_TYPE = 'NV32F100X'
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
48    DEVICE = ' -mcpu=cortex-m0 -mthumb -ffunction-sections -fdata-sections'
49    CFLAGS = DEVICE  + ' -DNV32F100X' + ' -DNULL=0'
50    AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp'
51    LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread-nv32.map,-cref,-u,Reset_Handler -T nv32_rom.ld'
52
53    CPATH = ''
54    LPATH = ''
55
56    if BUILD == 'debug':
57        CFLAGS += ' -O0 -gdwarf-2'
58        AFLAGS += ' -gdwarf-2'
59    else:
60        CFLAGS += ' -O2'
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 = ' --device DARMSTM'
73    CFLAGS = DEVICE + ' --apcs=interwork'
74    AFLAGS = DEVICE
75    LFLAGS = DEVICE + ' --info sizes --info totals --info unused --info veneers --list rtthread-nv32.map --scatter nv32_rom.sct'
76
77    CFLAGS += ' -I./'
78
79    EXEC_PATH += '/ARM/bin/'
80
81    if BUILD == 'debug':
82        CFLAGS += ' -g -O0'
83        AFLAGS += ' -g'
84    else:
85        CFLAGS += ' -O2'
86
87    POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
88
89elif PLATFORM == 'iccarm':
90    # toolchains
91    CC = 'iccarm'
92    AS = 'iasmarm'
93    AR = 'iarchive'
94    LINK = 'ilinkarm'
95    TARGET_EXT = 'out'
96
97    CFLAGS = DEVICE
98    CFLAGS += ' --diag_suppress Pa050'
99    CFLAGS += ' --no_cse'
100    CFLAGS += ' --no_unroll'
101    CFLAGS += ' --no_inline'
102    CFLAGS += ' --no_code_motion'
103    CFLAGS += ' --no_tbaa'
104    CFLAGS += ' --no_clustering'
105    CFLAGS += ' --no_scheduling'
106    CFLAGS += ' --debug'
107    CFLAGS += ' --endian=little'
108    CFLAGS += ' --cpu=Cortex-M0'
109    CFLAGS += ' -e'
110    CFLAGS += ' --fpu=None'
111    CFLAGS += ' --dlib_config "' + EXEC_PATH + '/arm/INC/c/DLib_Config_Normal.h"'
112    CFLAGS += ' -Ol'
113    CFLAGS += ' --use_c++_inline'
114
115    AFLAGS = ''
116    AFLAGS += ' -s+'
117    AFLAGS += ' -w+'
118    AFLAGS += ' -r'
119    AFLAGS += ' --cpu Cortex-M0'
120    AFLAGS += ' --fpu None'
121
122    LFLAGS = ' --config nv32f100x_flash.icf'
123    LFLAGS += ' --redirect _Printf=_PrintfTiny'
124    LFLAGS += ' --redirect _Scanf=_ScanfSmall'
125    LFLAGS += ' --entry __iar_program_start'
126
127    EXEC_PATH = EXEC_PATH + '/arm/bin/'
128    POST_ACTION = ''
129