Import('rtconfig')
from building import *
import os

cwd     = GetCurrentDir()
src     = []
CPPPATH = [cwd]

support_arch  = {"arm": ["cortex-m3", "cortex-m4", "cortex-m7", "arm926", "cortex-a"],
                 "aarch64":["cortex-a"],
                 "risc-v": ["rv64"],
                 "x86": ["i386"]}
platform_file = {'armcc': 'rvds.S', 'gcc': 'gcc.S', 'iar': 'iar.S'}

platform = rtconfig.PLATFORM
arch     = rtconfig.ARCH
cpu      = rtconfig.CPU

# fix the cpu for risc-v
if arch == 'risc-v':
    rv64 = ['virt64', 'c906']
    if cpu in rv64:
        cpu = 'rv64'

if GetDepend('LWP_UNIX98_PTY'):
    # print("LWP_UNIX98_PTY")
    src += Glob('unix98pty/*.c') 
    CPPPATH += ['unix98pty/']

if platform in platform_file.keys(): # support platforms
    if arch in support_arch.keys() and cpu in support_arch[arch]:
        asm_path = 'arch/' + arch + '/' + cpu + '/*_' + platform_file[platform]
        arch_common = 'arch/' + arch + '/' + 'common/*.c'
        if not GetDepend('ARCH_MM_MMU'):
            excluded_files = ['ioremap.c', 'lwp_futex.c', 'lwp_mm_area.c', 'lwp_pmutex.c', 'lwp_shm.c', 'lwp_user_mm.c']
            src += [f for f in Glob('*.c') if os.path.basename(str(f)) not in excluded_files] + Glob(asm_path) + Glob(arch_common)
        else:
            src += Glob('*.c') + Glob(asm_path) + Glob(arch_common)
        src += Glob('arch/' + arch + '/' + cpu + '/*.c')
        CPPPATH = [cwd]
        CPPPATH += [cwd + '/arch/' + arch + '/' + cpu]

group = DefineGroup('lwP', src, depend = ['RT_USING_LWP'], CPPPATH = CPPPATH)

Return('group')