1import os
2
3# toolchains options
4ARCH='arm'
5CPU='cortex-m4'
6CROSS_TOOL='keil'
7
8if os.getenv('RTT_CC'):
9	CROSS_TOOL = os.getenv('RTT_CC')
10
11#device options
12PART_TYPE = 'PART_LM4F232H5QD'
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':
17	PLATFORM 	= 'gcc'
18	EXEC_PATH 	= r'E:/Program Files/CodeSourcery/Sourcery G++ Lite/bin'
19elif CROSS_TOOL == 'keil':
20	PLATFORM 	= 'armcc'
21	EXEC_PATH 	= r'C:/Keil'
22elif CROSS_TOOL == 'iar':
23    print('================ERROR============================')
24    print('Not support iar yet!')
25    print('=================================================')
26    exit(0)
27
28if os.getenv('RTT_EXEC_PATH'):
29	EXEC_PATH = os.getenv('RTT_EXEC_PATH')
30
31BUILD = 'debug'
32
33if PLATFORM == 'gcc':
34    # toolchains
35    PREFIX = 'arm-none-eabi-'
36    CC = PREFIX + 'gcc'
37    AS = PREFIX + 'gcc'
38    AR = PREFIX + 'ar'
39    LINK = PREFIX + 'gcc'
40    TARGET_EXT = 'elf'
41    SIZE = PREFIX + 'size'
42    OBJDUMP = PREFIX + 'objdump'
43    OBJCPY = PREFIX + 'objcopy'
44
45    DEVICE = ' -mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=softfp -ffunction-sections -fdata-sections'
46    CFLAGS = DEVICE
47    AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -Wa,-mimplicit-it=thumb '
48    LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread-lm4f.map,-cref,-u,Reset_Handler -T lm4f_rom.ld'
49
50    CPATH = ''
51    LPATH = ''
52
53    if BUILD == 'debug':
54        CFLAGS += ' -O0 -gdwarf-2'
55        AFLAGS += ' -gdwarf-2'
56    else:
57        CFLAGS += ' -O2'
58
59    POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'
60
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 DLM'
70    CFLAGS = DEVICE + ' --apcs=interwork'
71    AFLAGS = DEVICE
72    LFLAGS = DEVICE + ' --ro-base 0x00000000 --entry 0x00000000 --rw-base 0x20000000 --entry Reset_Handler --first __Vectors --info sizes --info totals --info unused --info veneers --list rtthread-lm4f.map  '
73
74    CFLAGS += ' -I' + EXEC_PATH + '/ARM/RV31/INC'
75    LFLAGS += ' --libpath ' + EXEC_PATH + '/ARM/RV31/LIB'
76
77    EXEC_PATH += '/arm/bin40/'
78
79    if BUILD == 'debug':
80        CFLAGS += ' -g -O0'
81        AFLAGS += ' -g'
82    else:
83        CFLAGS += ' -O2'
84
85    POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
86
87
88