1import os
2
3# toolchains options
4ARCH='arm'
5CPU='cortex-m0'
6CROSS_TOOL='gcc'
7BOARD_NAME = 'lpc824'
8
9if os.getenv('RTT_CC'):
10	CROSS_TOOL = os.getenv('RTT_CC')
11
12# cross_tool provides the cross compiler
13# EXEC_PATH is the compiler execute path, for example, CodeSourcery, Keil MDK, IAR
14if  CROSS_TOOL == 'gcc':
15    PLATFORM    = 'gcc'
16    EXEC_PATH   = r'C:\Users\XXYYZZ'
17elif CROSS_TOOL == 'keil':
18    PLATFORM 	= 'armcc'
19    EXEC_PATH 	= 'C:/keil_v5'
20elif CROSS_TOOL == 'iar':
21    PLATFORM  = 'iccarm'
22    EXEC_PATH    = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
23
24if os.getenv('RTT_EXEC_PATH'):
25	EXEC_PATH = os.getenv('RTT_EXEC_PATH')
26
27BUILD = 'debug'
28# BUILD = 'release'
29
30if PLATFORM == 'gcc':
31    # toolchains
32    PREFIX = 'arm-none-eabi-'
33    CC = PREFIX + 'gcc'
34    AS = PREFIX + 'gcc'
35    AR = PREFIX + 'ar'
36    CXX = PREFIX + 'g++'
37    LINK = PREFIX + 'gcc'
38    TARGET_EXT = 'elf'
39    SIZE = PREFIX + 'size'
40    OBJDUMP = PREFIX + 'objdump'
41    OBJCPY = PREFIX + 'objcopy'
42
43    DEVICE = ' -mcpu=cortex-m0 -mthumb -ffunction-sections -fdata-sections'
44    CFLAGS = DEVICE + ' -Dgcc'
45    AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp'
46    LFLAGS = DEVICE + ' -lm -lgcc -lc' + ' -nostartfiles  -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,Reset_Handler -T scripts/lpc824_flash.ld -L scripts/'
47
48    CPATH = ''
49    LPATH = ''
50
51    if BUILD == 'debug':
52        CFLAGS += ' -O0 -gdwarf-2'
53        AFLAGS += ' -gdwarf-2'
54    else:
55        CFLAGS += ' -O2'
56
57    CXXFLAGS = CFLAGS
58
59    POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'
60
61elif PLATFORM == 'armcc':
62    # toolchains
63    CC = 'armcc'
64    CXX = 'armcc'
65    AS = 'armasm'
66    AR = 'armar'
67    LINK = 'armlink'
68    TARGET_EXT = 'axf'
69
70    DEVICE = ' --cpu Cortex-M0+'
71    CFLAGS = DEVICE + ' --apcs=interwork'
72    AFLAGS = DEVICE
73    LFLAGS = DEVICE + ' --info sizes --info totals --info unused --info veneers --list rtthread.map --scatter scripts/lpc824_rom.sct'
74
75    CFLAGS += ' -I./'
76
77    EXEC_PATH += '/ARM/ARMCC/bin/'
78
79    if BUILD == 'debug':
80        CFLAGS += ' -g -O0'
81        AFLAGS += ' -g'
82    else:
83        CFLAGS += ' -O2'
84        CFLAGS += ' --split_sections'
85
86    POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET \n'
87
88elif PLATFORM == 'iccarm':
89    # toolchains
90    CC = 'iccarm'
91    AS = 'iasmarm'
92    AR = 'iarchive'
93    LINK = 'ilinkarm'
94    TARGET_EXT = 'out'
95
96    DEVICE = ' -D USE_STDPERIPH_DRIVER'
97
98    CFLAGS = DEVICE
99    CFLAGS += ' --diag_suppress Pa050'
100    CFLAGS += ' --no_cse'
101    CFLAGS += ' --no_unroll'
102    CFLAGS += ' --no_inline'
103    CFLAGS += ' --no_code_motion'
104    CFLAGS += ' --no_tbaa'
105    CFLAGS += ' --no_clustering'
106    CFLAGS += ' --no_scheduling'
107    CFLAGS += ' --debug'
108    CFLAGS += ' --endian=little'
109    CFLAGS += ' --cpu=Cortex-M0'
110    CFLAGS += ' -e'
111    CFLAGS += ' --fpu=None'
112    CFLAGS += ' --dlib_config "' + EXEC_PATH + '/arm/INC/c/DLib_Config_Normal.h"'
113    CFLAGS += ' -Ol'
114    CFLAGS += ' --use_c++_inline'
115
116    AFLAGS = ''
117    AFLAGS += ' -s+'
118    AFLAGS += ' -w+'
119    AFLAGS += ' -r'
120    AFLAGS += ' --cpu Cortex-M0'
121    AFLAGS += ' --fpu None'
122
123    LFLAGS = ' --config scripts/lpc824_rom.icf'
124    LFLAGS += ' --redirect _Printf=_PrintfTiny'
125    LFLAGS += ' --redirect _Scanf=_ScanfSmall'
126    LFLAGS += ' --entry __iar_program_start'
127
128    EXEC_PATH = EXEC_PATH + '/arm/bin/'
129    POST_ACTION = ''
130