#-*- encoding: utf-8 -*-
#---------------------------------------------------------------------------------
# @File:   Sconscript for Package
# @Author: Copyright (c) 2018-2019, liu2guang 1004383796@qq.com
#---------------------------------------------------------------------------------
import platform
import os
import shutil
import glob

#---------------------------------------------------------------------------------
# Compile Configuration
#---------------------------------------------------------------------------------
PKGNAME             = "boot.elf"

BUILD               = 'debug'

bsp_root = os.path.abspath(os.path.join(os.getcwd(), ".."))

SOURCES = Glob('application/*.c')
SOURCES += Glob('libcpu/*.S')
SOURCES += Glob('libcpu/*.c')
SOURCES += Glob('libc/string/*.c')
SOURCES += Glob('libc/stdio/*.c')
SOURCES += Glob('driver/*.c')
SOURCES += Glob('driver/*.S')

CPPPATH = [os.path.join(os.getcwd(), '.')]
CPPPATH += [os.path.join(os.getcwd(), 'libcpu/inc')]
CPPPATH += [os.path.join(os.getcwd(), 'libc/include')]
CPPPATH += [os.path.join(os.getcwd(), 'driver')]

CCFLAGS            = " -g -Wall -nostdlib -nostdinc"
ASFLAGS            = CCFLAGS + ' -D__ASSEMBLY__'

CPPDEFINES         = []

LIBS               = []
LIBPATH            = []

LINKFLAGS          = " -nostartfiles -Wl,--gc-sections,-Map=build/boot.map -T link.lds"

if BUILD == 'debug':
    CCFLAGS += ' -O0 -nostartfiles -fno-builtin -gdwarf-2'
    ASFLAGS += ' -gdwarf-2'
else:
    CCFLAGS += ' -O2 -nostartfiles -fno-builtin -gdwarf-2'
    ASFLAGS += ' -gdwarf-2'

#---------------------------------------------------------------------------------
# Toolchain Configuration
#---------------------------------------------------------------------------------
TOOLCHAIN_PREFIX   = 'aarch64-none-elf-'
TOOLCHAIN_CC       = TOOLCHAIN_PREFIX + 'gcc'
TOOLCHAIN_CXX      = TOOLCHAIN_PREFIX + 'g++'
TOOLCHAIN_AS       = TOOLCHAIN_PREFIX + 'gcc'
TOOLCHAIN_AR       = TOOLCHAIN_PREFIX + 'ar'
TOOLCHAIN_LINK     = TOOLCHAIN_PREFIX + 'gcc'
TOOLCHAIN_SIZE     = TOOLCHAIN_PREFIX + 'size'
TOOLCHAIN_OBJCPY   = TOOLCHAIN_PREFIX + 'objcopy'
TOOLCHAIN_OBJDMP   = TOOLCHAIN_PREFIX + 'objdump'

TOOLCHAIN_PATH = r'/home/liboran/tool_chain/gcc-arm-9.2-2019.12-x86_64-aarch64-none-elf/bin'


#---------------------------------------------------------------------------------
# Prepare steakos env
#---------------------------------------------------------------------------------
env = Environment(tools = ['mingw'],
    CC   = TOOLCHAIN_CC,
    CXX  = TOOLCHAIN_CXX,
    AS   = TOOLCHAIN_AS,
    AR   = TOOLCHAIN_AR,
    LINK = TOOLCHAIN_LINK,
)
env.PrependENVPath('PATH', TOOLCHAIN_PATH) # 配置工具链路径
env['ASCOM'] = env['ASPPCOM']

# env.Replace(
#     ARCOMSTR     = 'AR $TARGET',
#     ASCOMSTR     = 'AS $TARGET',
#     ASPPCOMSTR   = 'ASPP $TARGET',
#     CCCOMSTR     = 'CC $TARGET',
#     CXXCOMSTR    = 'CXX $TARGET',
#     LINKCOMSTR   = 'LINK $TARGET',
#     RANLIBCOMSTR = 'RANLIB $TARGET',
# )
Export('env')

#---------------------------------------------------------------------------------
# Main target
#---------------------------------------------------------------------------------

objs = []
objs += env.Program(PKGNAME, SOURCES,
        CPPPATH    = CPPPATH,
        CCFLAGS    = CCFLAGS,
        ASFLAGS    = ASFLAGS,
        CPPDEFINES = CPPDEFINES,
        LIBS       = LIBS,
        LIBPATH    = LIBPATH,
        LINKFLAGS  = LINKFLAGS)

env.Depends(objs, "link.lds")

# objs.extend(SConscript(bsp_root + '/lib/SConscript', variant_dir = bsp_root + '/build/lib', duplicate = 0))

POST_ACTION = TOOLCHAIN_OBJCPY + ' -O binary $TARGET build/boot.bin\n' +\
                TOOLCHAIN_OBJDMP + ' -DSg $TARGET > build/boot.dis\n' +\
                TOOLCHAIN_SIZE + ' $TARGET \n'
# POST_ACTION += RBL_CMD + 'GWS_C0.bin' + ' -v 1.0 ' + ' -p app2 -c lzma -s aes -i 0123456789ABCDEF -k 0123456789ABCDEF0123456789ABCDEF \n'
env.AddPostAction(objs, POST_ACTION)

Return("objs")

#---------------------------------------------------------------------------------
# End
#---------------------------------------------------------------------------------