1import os
2import sys
3
4# toolchains options
5ARCH='arm'
6CPU='cortex-m3'
7CROSS_TOOL='gcc'
8
9if os.getenv('RTT_CC'):
10    CROSS_TOOL = os.getenv('RTT_CC')
11if os.getenv('RTT_ROOT'):
12    RTT_ROOT = os.getenv('RTT_ROOT')
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:/tool/env/tools/gnu_gcc/arm_gcc/mingw/bin'
19elif CROSS_TOOL == 'keil':
20    PLATFORM    = 'armcc'
21    EXEC_PATH   = r'C:/Keil'
22elif CROSS_TOOL == 'iar':
23    PLATFORM    = 'iccarm'
24    EXEC_PATH   = r'C:/Program Files/IAR Systems/Embedded Workbench 6.0 Evaluation'
25
26if os.getenv('RTT_EXEC_PATH'):
27    EXEC_PATH = os.getenv('RTT_EXEC_PATH')
28
29BUILD = 'debug'
30
31if os.path.exists(os.path.abspath('./') + '/drivers'):
32    gcc_linkscripts_path   = 'drivers/linker_scripts/link.lds'
33    armcc_linkscripts_path = 'drivers/linker_scripts/link.sct'
34    iar_linkscripts_path   = 'drivers/linker_scripts/link.icf'
35else:
36    gcc_linkscripts_path   = '../../drivers/linker_scripts/link.lds'
37    armcc_linkscripts_path = '../../drivers/linker_scripts/link.sct'
38    iar_linkscripts_path   = '../../drivers/linker_scripts/link.icf'
39
40if PLATFORM == 'gcc':
41    # toolchains
42    PREFIX = 'arm-none-eabi-'
43    CC = PREFIX + 'gcc'
44    AS = PREFIX + 'gcc'
45    AR = PREFIX + 'ar'
46    CXX = PREFIX + 'g++'
47    LINK = PREFIX + 'gcc'
48    TARGET_EXT = 'elf'
49    SIZE = PREFIX + 'size'
50    OBJDUMP = PREFIX + 'objdump'
51    OBJCPY = PREFIX + 'objcopy'
52    NM = PREFIX + 'nm'
53
54    DEVICE = ' -mcpu=cortex-m3 -mthumb -ffunction-sections -fdata-sections'
55    CFLAGS = DEVICE + ' -std=gnu99 -w -fno-common -fomit-frame-pointer -fno-short-enums -fsigned-char'
56    AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -Wa,-mimplicit-it=thumb '
57    LFLAGS = DEVICE + ' -lm -lgcc -lc' + ' -g --specs=nano.specs -nostartfiles -Wl,-Map=rtthread-w60x.map -Os -Wl,--gc-sections -Wl,--cref -Wl,--entry=Reset_Handler -Wl,--no-enum-size-warning -Wl,--no-wchar-size-warning -T ' + gcc_linkscripts_path
58
59    CPATH = ''
60    LPATH = ''
61
62    if BUILD == 'debug':
63        CFLAGS += ' -O0 -gdwarf-2 -g -Wall'
64        AFLAGS += ' -gdwarf-2'
65    else:
66        CFLAGS += ' -O2'
67
68    POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'
69    POST_ACTION += 'python ./makeimg.py'
70
71elif PLATFORM == 'armcc':
72    # toolchains
73    CC = 'armcc'
74    AS = 'armasm'
75    AR = 'armar'
76    LINK = 'armlink'
77    TARGET_EXT = 'axf'
78
79    DEVICE = ' --cpu=Cortex-M3'
80    CFLAGS = DEVICE + ' --apcs=interwork --c99 --gnu'
81    AFLAGS = DEVICE + ' --apcs=interwork '
82    LFLAGS = DEVICE + ' --scatter ' + armcc_linkscripts_path + ' --info sizes --info totals --info unused --info veneers --list rt-thread.map --strict'
83    LFLAGS += ' --libpath=' + EXEC_PATH + '/ARM/ARMCC/lib'
84
85    EXEC_PATH += '/ARM/ARMCC/bin/'
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 \n'
94    POST_ACTION += 'python ./makeimg.py'
95
96elif PLATFORM == 'iccarm':
97    # toolchains
98    CC = 'iccarm'
99    AS = 'iasmarm'
100    AR = 'iarchive'
101    LINK = 'ilinkarm'
102    TARGET_EXT = 'out'
103
104    DEVICE = '-Dewarm'
105
106    CFLAGS = DEVICE
107    CFLAGS += ' --diag_suppress Pa050'
108    CFLAGS += ' --no_cse'
109    CFLAGS += ' --no_unroll'
110    CFLAGS += ' --no_inline'
111    CFLAGS += ' --no_code_motion'
112    CFLAGS += ' --no_tbaa'
113    CFLAGS += ' --no_clustering'
114    CFLAGS += ' --no_scheduling'
115    CFLAGS += ' --endian=little'
116    CFLAGS += ' --cpu=Cortex-M3'
117    CFLAGS += ' -e'
118    CFLAGS += ' --fpu=None'
119    CFLAGS += ' --dlib_config "' + EXEC_PATH + '/arm/INC/c/DLib_Config_Normal.h"'
120    CFLAGS += ' --silent'
121
122    AFLAGS = DEVICE
123    AFLAGS += ' -s+'
124    AFLAGS += ' -w+'
125    AFLAGS += ' -r'
126    AFLAGS += ' --cpu Cortex-M3'
127    AFLAGS += ' --fpu None'
128    AFLAGS += ' -S'
129
130    if BUILD == 'debug':
131        CFLAGS += ' --debug'
132        CFLAGS += ' -On'
133    else:
134        CFLAGS += ' -Oh'
135
136    LFLAGS = ' --config ' + iar_linkscripts_path
137    LFLAGS += ' --entry __iar_program_start'
138
139    EXEC_PATH = EXEC_PATH + '/arm/bin/'
140    POST_ACTION = 'ielftool --bin $TARGET rtthread.bin \n'
141    POST_ACTION += 'python ./makeimg.py'
142