# RT-Thread building script for the unified RISC-V CPU port

import os
from building import *

Import('rtconfig')

cwd = GetCurrentDir()
bsp_path = Dir('#').abspath
CPPPATH = [cwd + '/include', cwd]

if GetDepend('ARCH_RISCV_VECTOR'):
    CPPPATH += [os.path.join(cwd, '..', 'vector', 'rvv-1.0')]
bsp_startup_obj = []
builtin_fdt_obj = []
src = [
    'backtrace.c',
    'cpu.c',
    'cpuport.c',
    'isa_ext.c',
    'riscv_timer.c',
    'stack.c',
    'trap.c',
]

if GetDepend('RT_USING_CACHE'):
    src += ['cache.c']

if rtconfig.PLATFORM in ['gcc']:
    src += [
        'context_gcc.S',
        'cpu_gcc.S',
        'stack_gcc.S',
        'startup.c',
        'vector_gcc.S',
    ]

    bsp_startup = os.path.join(bsp_path, 'startup_gcc.S')
    if os.path.isfile(bsp_startup):
        bsp_startup_obj = Env.Object('startup_gcc.o', '#startup_gcc.S')
    else:
        src += ['startup_gcc.S']

    if GetDepend('RT_USING_BUILTIN_FDT'):
        dtb_path = os.path.join(bsp_path, GetDepend('RT_BUILTIN_FDT_PATH').strip('"'))
        builtin_fdt_obj = Env.Object('builtin_fdt_gcc.o', 'builtin_fdt_gcc.S')
        Env.Depends(builtin_fdt_obj, dtb_path)

if GetDepend('ARCH_MM_MMU'):
    src += ['mmu.c']

if GetDepend('RT_USING_HW_ATOMIC'):
    src += ['atomic_riscv.c']

if GetDepend('RT_USING_LWP'):
    src += ['syscall.c']

if not GetDepend('ARCH_RISCV_M_MODE'):
    src += ['sbi.c']

    if not GetDepend('RT_USING_DM'):
        src += ['console.c']

if GetDepend('RT_USING_DM'):
    src += ['setup.c']

    if GetDepend('RT_USING_SMP'):
        src += ['cpu_spinwait.c']

        if not GetDepend('ARCH_RISCV_M_MODE'):
            src += ['cpu_sbi.c']

if not GetDepend('RT_USING_DM'):
    src += ['interrupt.c']

if GetDepend('ARCH_RISCV_USING_IRQ_STACK'):
    src += ['irq_stack.c']

group = DefineGroup('libcpu', src, depend = [''], CPPPATH = CPPPATH)
group += bsp_startup_obj
group += builtin_fdt_obj

# build for sub-directory
list = os.listdir(cwd)
objs = []

for d in list:
    path = os.path.join(cwd, d)
    if os.path.isfile(os.path.join(path, 'SConscript')):
        objs = objs + SConscript(os.path.join(d, 'SConscript'))
group = group + objs

Return('group')