import os

# toolchains options
ARCH='risc-v'
CPU='bumblebee'
CROSS_TOOL='gcc'

# bsp lib config
BSP_LIBRARY_TYPE = None

if os.getenv('RTT_CC'):
    CROSS_TOOL = os.getenv('RTT_CC')
if os.getenv('RTT_ROOT'):
    RTT_ROOT = os.getenv('RTT_ROOT')

# cross_tool provides the cross compiler
# EXEC_PATH is the compiler execute path, for example, CodeSourcery, Keil MDK, IAR
if  CROSS_TOOL == 'gcc':
    PLATFORM    = 'gcc'
    EXEC_PATH   = EXEC_PATH   = r'D:/gcc/xpack-riscv-none-embed-gcc-10.2.0-1.2/bin'
else:
    print('Please make sure your toolchains is GNU GCC!')
    exit(0)

#if os.getenv('RTT_EXEC_PATH'):
#    EXEC_PATH = os.getenv('RTT_EXEC_PATH')

CORE = 'risc-v'
BUILD = 'debug'
MAP_FILE = 'rtthread.map'
LINK_FILE = '../libraries/GD32VF103_Firmware_Library/RISCV/env_Eclipse/GD32VF103xB.lds'

if PLATFORM == 'gcc':
    # toolchains
    PREFIX = 'riscv-none-embed-'
    CC = PREFIX + 'gcc'
    AS = PREFIX + 'gcc'
    AR = PREFIX + 'ar'
    CXX = PREFIX + 'g++'
    LINK = PREFIX + 'gcc'
    TARGET_EXT = 'elf'
    SIZE = PREFIX + 'size'
    OBJDUMP = PREFIX + 'objdump'
    OBJCPY = PREFIX + 'objcopy'

    DEVICE = ' -march=rv32imac -mabi=ilp32 -DUSE_PLIC -DUSE_M_TIME -DNO_INIT -mcmodel=medany -msmall-data-limit=8 -L.  -nostartfiles  -lc '
    CFLAGS = DEVICE
    CFLAGS += ' -save-temps=obj'
    AFLAGS = '-c'+ DEVICE + ' -x assembler-with-cpp'
    AFLAGS += ' -Iplatform -Ilibraries/RISCV/include -Ilibraries/RISCV/env_Eclipse'
    LFLAGS = DEVICE
    LFLAGS += ' -Wl,--gc-sections,-cref,-Map=' + MAP_FILE
    LFLAGS += ' -T ' + LINK_FILE
    LFLAGS += ' -Wl,-wrap=memset'

    CPATH = ''
    LPATH = ''

    if BUILD == 'debug':
        CFLAGS += ' -O0 -g3'
        AFLAGS += ' -g3'
    else:
        CFLAGS += ' -O2'

    CXXFLAGS = CFLAGS 

    POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'

def dist_handle(BSP_ROOT, dist_dir):
    import sys
    cwd_path = os.getcwd()
    sys.path.append(os.path.join(os.path.dirname(BSP_ROOT), 'tools'))
    from sdk_dist import dist_do_building
    dist_do_building(BSP_ROOT, dist_dir)