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#!/usr/bin/env python
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#
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#
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#    Copyright 2010 TheSeven, benedikt93, Farthen
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#
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#
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#    This file is part of emCORE.
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#
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#    emCORE is free software: you can redistribute it and/or
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#    modify it under the terms of the GNU General Public License as
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#    published by the Free Software Foundation, either version 2 of the
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#    License, or (at your option) any later version.
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#
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#    emCORE is distributed in the hope that it will be useful,
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#    but WITHOUT ANY WARRANTY; without even the implied warranty of
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#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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#    See the GNU General Public License for more details.
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#
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#    You should have received a copy of the GNU General Public License
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#    along with emCORE.  If not, see <http://www.gnu.org/licenses/>.
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#
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#
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"""
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    Contains emCORE data structures, enums and dicts
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"""
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from ctypes import *
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from misc import ExtendedCStruct, c_enum
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class thread_type(c_enum):
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    _fields_ = ["USER_THREAD",
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                "OS_THREAD",
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                "CORE_THREAD",
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               ]
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class thread_state(c_enum):
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    _fields_ = ["THREAD_FREE",
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                "THREAD_SUSPENDED",
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                "THREAD_READY",
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                "THREAD_RUNNING",
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                "THREAD_BLOCKED",
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                "THREAD_DEFUNCT",
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                "THREAD_DEFUNCT_ACK",
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               ]
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class thread_block(c_enum):
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    _fields_ = ["THREAD_NOT_BLOCKED",
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                "THREAD_BLOCK_SLEEP",
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                "THREAD_BLOCK_MUTEX",
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                "THREAD_BLOCK_WAKEUP",
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                "THREAD_DEFUNCT_STKOV",
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                "THREAD_DEFUNCT_PANIC"
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               ]
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class responsecode(c_enum):
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    _fields_ = ["INVALID",
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                "OK",
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                "UNSUPPORTED",
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                "BUSY"
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               ]
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class scheduler_thread(ExtendedCStruct):
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    _fields_ = [("regs", c_uint32 * 16),
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                ("cpsr", c_uint32),
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                ("state", c_uint32),
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                ("name", c_uint32),
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                ("cputime_current", c_uint32),
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                ("cputime_total", c_uint64),
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                ("startusec", c_uint32),
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                ("thread_next", c_uint32),
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                ("queue_next", c_uint32),
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                ("owned_mutexes", c_uint32),
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                ("timeout", c_uint32),
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                ("blocked_since", c_uint32),
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                ("blocked_by", c_uint32),
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                ("stack", c_uint32),
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                ("err_no", c_int32),
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                ("block_type", thread_block),
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                ("thread_type", thread_type),
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                ("priority", c_uint8),
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                ("cpuload", c_uint8),
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               ]
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class mutex(ExtendedCStruct):
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    _fields_ = [("owner", c_uint32),
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                ("waiters", c_uint32),
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                ("owned_next", c_uint32),
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                ("count", c_int32),
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                ]
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class wakeup(ExtendedCStruct):
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    _fields_ = [("waiter", c_uint32),
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                ("signalled", c_uint32),
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               ]
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swtypes = {
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    0: "invalid",
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    1: "emBIOS Debugger",
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    2: "emCORE Debugger"
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}
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hwtypes = {
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    0:          ("invalid",     "invalid"),
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    0x47324e49: ("ipodnano2g",  "iPod Nano 2G"),
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    0x47334e49: ("ipodnano3g",  "iPod Nano 3G"),
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    0x47344e49: ("ipodnano4g",  "iPod Nano 4G"),
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    0x4c435049: ("ipodclassic", "iPod Classic"),
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    0x47325449: ("ipodtouch2g", "iPod Touch 2G"),
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}