1import os
2
3if os.getenv('RTT_ROOT'):
4    RTT_ROOT = os.getenv('RTT_ROOT')
5else:
6    RTT_ROOT = '../..'
7
8# CPU options
9ARCH='mips'
10CPU ='common'
11
12# toolchains options
13CROSS_TOOL  = 'gcc'
14
15if os.getenv('RTT_CC'):
16	CROSS_TOOL = os.getenv('RTT_CC')
17
18if  CROSS_TOOL == 'gcc':
19	PLATFORM    = 'gcc'
20	EXEC_PATH   = "/opt/mips-2016.05/bin"
21#	EXEC_PATH   = r'D:\mgc\embedded\codebench\bin'
22else:
23    print('================ERROR===========================')
24    print('Not support %s yet!' % CROSS_TOOL)
25    print('=================================================')
26    exit(0)
27
28if os.getenv('RTT_EXEC_PATH'):
29	EXEC_PATH = os.getenv('RTT_EXEC_PATH')
30
31BUILD       = 'debug'
32
33PREFIX = 'mips-sde-elf-'
34CC = PREFIX + 'gcc'
35AS = PREFIX + 'gcc'
36AR = PREFIX + 'ar'
37LINK = PREFIX + 'gcc'
38TARGET_EXT = 'elf'
39SIZE = PREFIX + 'size'
40OBJDUMP = PREFIX + 'objdump'
41OBJCPY = PREFIX + 'objcopy'
42READELF = PREFIX + 'readelf'
43
44DEVICE = ' -mips32r2 -msoft-float -mfp32'
45CFLAGS = DEVICE + ' -EL -G0 -mno-abicalls -fno-pic -fno-builtin -fno-exceptions -ffunction-sections -fomit-frame-pointer'
46AFLAGS = ' -c' + DEVICE + ' -EL -fno-pic -fno-builtin -mno-abicalls -x assembler-with-cpp'
47LFLAGS = DEVICE + ' -nostartfiles -EL -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,Reset_Handler -T mipssim_ram.lds'
48CXXFLAGS = CFLAGS
49
50CPATH = ''
51LPATH = ''
52
53if BUILD == 'debug':
54    CFLAGS += ' -O0 -gdwarf-2'
55    AFLAGS += ' -gdwarf-2'
56else:
57    CFLAGS += ' -O2'
58
59DUMP_ACTION = OBJDUMP + ' -D -S $TARGET > rtt.asm\n'
60READELF_ACTION = READELF + ' -a $TARGET > rtt.map\n'
61POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'
62