1import os
2import sys
3
4# toolchains options
5CROSS_TOOL = 'gcc'
6
7if os.getenv('RTT_CC'):
8    CROSS_TOOL = os.getenv('RTT_CC')
9
10# device options
11ARCH        ='risc-v'
12VENDOR      ='t-head'
13CPU         ='e9xx'
14
15# cross_tool provides the cross compiler
16# EXEC_PATH is the compiler execute path, for example, CodeSourcery, IAR
17if  CROSS_TOOL  == 'gcc':
18    PLATFORM    = 'gcc'
19    EXEC_PATH   = r'/applications'
20
21elif CROSS_TOOL == 'iar':
22    PLATFORM    = 'iar'
23    EXEC_PATH   = 'C:/IAR'
24
25if os.getenv('RTT_RISCV_TOOLCHAIN'):
26    EXEC_PATH = os.getenv('RTT_RISCV_TOOLCHAIN')
27
28BUILD = 'debug'
29#BUILD = 'release'
30
31if PLATFORM == 'gcc':
32    # toolchains
33    PREFIX = 'csky-abiv2-elf-'
34    CC = PREFIX + 'gcc'
35    CXX = PREFIX + 'g++'
36    AS = PREFIX + 'gcc'
37    AR = PREFIX + 'ar'
38    LINK = PREFIX + 'gcc'
39    TARGET_EXT = 'elf'
40    SIZE = PREFIX + 'size'
41    OBJDUMP = PREFIX + 'objdump'
42    OBJCPY = PREFIX + 'objcopy'
43    DEVICE = ' -mcpu=' + CPU + ' -mthumb -ffunction-sections -fdata-sections'
44    CFLAGS = DEVICE
45    AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -Wa,-mimplicit-it=thumb'
46    LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,Reset_Handler -T drivers/es32vf2264.ld'
47
48    CPATH = ''
49    LPATH = ''
50
51    if BUILD == 'debug':
52        CFLAGS += ' -O0 -gdwarf-2 -g'
53        AFLAGS += ' -gdwarf-2'
54    else:
55        CFLAGS += ' -O2'
56
57    POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + OBJCPY + ' -O ihex $TARGET rtthread.hex\n' + SIZE + ' $TARGET \n'
58
59elif PLATFORM == 'iar':
60    # toolchains
61    CC = 'iccarm'
62    AS = 'iasmarm'
63    AR = 'iarchive'
64    LINK = 'ilinkarm'
65    TARGET_EXT = 'out'
66
67    DEVICE = '-Dewarm'
68
69    CFLAGS = DEVICE
70    CFLAGS += ' --diag_suppress Pa050'
71    CFLAGS += ' --no_cse'
72    CFLAGS += ' --no_unroll'
73    CFLAGS += ' --no_inline'
74    CFLAGS += ' --no_code_motion'
75    CFLAGS += ' --no_tbaa'
76    CFLAGS += ' --no_clustering'
77    CFLAGS += ' --no_scheduling'
78    CFLAGS += ' --endian=little'
79    CFLAGS += ' --cpu=Cortex-M0'
80    CFLAGS += ' -e'
81    CFLAGS += ' --fpu=None'
82    CFLAGS += ' --dlib_config "' + EXEC_PATH + '/arm/INC/c/DLib_Config_Normal.h"'
83    CFLAGS += ' --silent'
84
85    AFLAGS = DEVICE
86    AFLAGS += ' -s+'
87    AFLAGS += ' -w+'
88    AFLAGS += ' -r'
89    AFLAGS += ' --cpu e9xx'
90    AFLAGS += ' --fpu None'
91    AFLAGS += ' -S'
92
93    LFLAGS = ' --config "drivers\linker_scripts\link.icf"'
94    LFLAGS += ' --redirect _Printf=_PrintfTiny'
95    LFLAGS += ' --redirect _Scanf=_ScanfSmall'
96    if BUILD == 'debug':
97        CFLAGS += ' --debug'
98        CFLAGS += ' -On'
99    else:
100        CFLAGS += ' -Oh'
101
102    LFLAGS += ' --entry __iar_program_start'
103    EXEC_PATH = EXEC_PATH + '/arm/bin/'
104    POST_ACTION = ''
105