1import os
2ARCH     = 'arm'
3CPU      = 'arm926'
4# toolchains options
5CROSS_TOOL 	= 'gcc'
6
7#------- toolchains path -------------------------------------------------------
8if os.getenv('RTT_CC'):
9	CROSS_TOOL = os.getenv('RTT_CC')
10
11if  CROSS_TOOL == 'gcc':
12	PLATFORM 	= 'gcc'
13	EXEC_PATH = '/usr/bin'
14elif CROSS_TOOL == 'keil':
15	PLATFORM 	= 'armcc'
16	EXEC_PATH 	= 'C:/Keil_v5'
17elif CROSS_TOOL == 'iar':
18	PLATFORM  = 'iccarm'
19	EXEC_PATH 	= 'C:/Program Files (x86)/IAR Systems/Embedded Workbench 7.2'
20
21if os.getenv('RTT_EXEC_PATH'):
22	EXEC_PATH = os.getenv('RTT_EXEC_PATH')
23
24#BUILD = 'debug'
25BUILD = 'release'
26
27CORE = 'arm926ej-s'
28MAP_FILE = 'rtthread_at91sam9g45.map'
29LINK_FILE = 'link_scripts/at91sam9g45_ram'
30TARGET_NAME = 'rtthread.bin'
31
32#------- GCC settings ----------------------------------------------------------
33if PLATFORM == 'gcc':
34    # toolchains
35    PREFIX = 'arm-none-eabi-'
36    CC = PREFIX + 'gcc'
37    CXX = PREFIX + 'g++'
38    AS = PREFIX + 'gcc'
39    AR = PREFIX + 'ar'
40    LINK = PREFIX + 'gcc'
41    TARGET_EXT = 'elf'
42    SIZE = PREFIX + 'size'
43    OBJDUMP = PREFIX + 'objdump'
44    OBJCPY = PREFIX + 'objcopy'
45
46    DEVICE = ' -mcpu=arm926ej-s'
47    CFLAGS = DEVICE
48    AFLAGS = '-c'+ DEVICE + ' -x assembler-with-cpp'
49    AFLAGS += ' -Iplatform'
50    LFLAGS = DEVICE
51    LFLAGS += ' -Wl,--gc-sections,-cref,-Map=' + MAP_FILE
52    LFLAGS += ' -T ' + LINK_FILE + '.ld'
53
54    CPATH = ''
55    LPATH = ''
56
57    if BUILD == 'debug':
58        CFLAGS += ' -O0 -gdwarf-2'
59        AFLAGS += ' -gdwarf-2'
60    else:
61        CFLAGS += ' -O2'
62
63    POST_ACTION = OBJCPY + ' -O binary $TARGET ' + TARGET_NAME + '\n'
64    POST_ACTION += SIZE + ' $TARGET\n'
65#------- Keil settings ---------------------------------------------------------
66elif PLATFORM == 'armcc':
67    # toolchains
68    CC = 'armcc'
69    AS = 'armasm'
70    AR = 'armar'
71    LINK = 'armlink'
72    TARGET_EXT = 'axf'
73    EXEC_PATH += '/arm/armcc/bin/'
74
75    DEVICE = ' --cpu=' + CORE
76    CFLAGS = DEVICE + ' --apcs=interwork --diag_suppress=870'
77    AFLAGS = DEVICE + ' -Iplatform'
78    LFLAGS = DEVICE + ' --strict'
79    LFLAGS += ' --info sizes --info totals --info unused --info veneers'
80    LFLAGS += ' --list ' + MAP_FILE
81    LFLAGS += ' --scatter  ' + LINK_FILE + '.scat'
82
83    if BUILD == 'debug':
84        CFLAGS += ' -g -O0'
85        AFLAGS += ' -g'
86    else:
87        CFLAGS += ' -O2'
88
89    POST_ACTION = 'fromelf --bin $TARGET --output ' + TARGET_NAME + ' \n'
90    POST_ACTION += 'fromelf -z $TARGET\n'
91#------- IAR settings ----------------------------------------------------------
92elif PLATFORM == 'iccarm':
93    # toolchains
94    CC = 'iccarm'
95    AS = 'iasmarm'
96    AR = 'iarchive'
97    LINK = 'ilinkarm'
98    TARGET_EXT = 'out'
99
100    DEVICE = CORE
101
102    CFLAGS = '--cpu=' + DEVICE
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
112    CFLAGS += ' --endian=little'
113    CFLAGS += ' -e'
114    CFLAGS += ' --fpu=none'
115    CFLAGS += ' --dlib_config "' + EXEC_PATH + '/arm/INC/c/DLib_Config_Normal.h"'
116    CFLAGS += ' --silent'
117
118    AFLAGS = '--cpu '+ DEVICE
119    AFLAGS += ' -s+'
120    AFLAGS += ' -w+'
121    AFLAGS += ' -r'
122    AFLAGS += ' --fpu none'
123    AFLAGS += ' -S'
124    AFLAGS += ' -Iplatform'
125
126    if BUILD == 'debug':
127        CFLAGS += ' --debug'
128        CFLAGS += ' -On'
129    else:
130        CFLAGS += ' -Oh'
131
132    LFLAGS = '--config ' + LINK_FILE +'.icf'
133    LFLAGS += ' --entry __iar_program_start'
134    LFLAGS += ' --map ' + MAP_FILE
135    LFLAGS += ' --silent'
136
137    EXEC_PATH = EXEC_PATH + '/arm/bin/'
138    POST_ACTION = 'ielftool  --silent --bin $TARGET ' + TARGET_NAME
139