/* mload.c (for PPC) (c) 2009, Hermes

 This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/

#ifndef __MLOAD_H__
#define __MLOAD_H__


#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ogcsys.h>
#include <gccore.h>
#include "unistd.h"

#define MLOAD_MLOAD_THREAD_ID 0x4D4C4400
#define MLOAD_GET_IOS_BASE     0x4D4C4401
#define MLOAD_LOAD_MODULE  0x4D4C4480
#define MLOAD_RUN_MODULE  0x4D4C4481
#define MLOAD_RUN_THREAD        0x4D4C4482

#define MLOAD_STOP_THREAD  0x4D4C4484
#define MLOAD_CONTINUE_THREAD   0x4D4C4485

#define MLOAD_GET_LOAD_BASE     0x4D4C4490
#define MLOAD_MEMSET   0x4D4C4491

#define MLOAD_GET_EHCI_DATA  0x4D4C44A0
#define MLOAD_GET_LOG   0x4D4C44A1
#define MLOAD_RESET_LOG   0x4D4C44A2

#define MLOAD_SET_ES_IOCTLV  0x4D4C44B0

#define MLOAD_GETW    0x4D4C44C0
#define MLOAD_GETH    0x4D4C44C1
#define MLOAD_GETB    0x4D4C44C2
#define MLOAD_SETW    0x4D4C44C3
#define MLOAD_SETH    0x4D4C44C4
#define MLOAD_SETB    0x4D4C44C5

#ifdef __cplusplus
extern "C"
{
#endif


    // from IOS ELF stripper of neimod

#define getbe32(x) ((adr[x]<<24) | (adr[x+1]<<16) | (adr[x+2]<<8) | (adr[x+3]))

    typedef struct
    {
        u32 ident0;
        u32 ident1;
        u32 ident2;
        u32 ident3;
        u32 machinetype;
        u32 version;
        u32 entry;
        u32 phoff;
        u32 shoff;
        u32 flags;
        u16 ehsize;
        u16 phentsize;
        u16 phnum;
        u16 shentsize;
        u16 shnum;
        u16 shtrndx;
    }

    elfheader;

    typedef struct
    {
        u32 type;
        u32 offset;
        u32 vaddr;
        u32 paddr;
        u32 filesz;
        u32 memsz;
        u32 flags;
        u32 align;
    }

    elfphentry;

    typedef struct
    {
        void *start;
        int prio;
        void *stack;
        int size_stack;
    }

    data_elf;

    /*--------------------------------------------------------------------------------------------------------------*/

    // to init/test if the device is running

    int mload_init();

    /*--------------------------------------------------------------------------------------------------------------*/

    // to close the device (remember call it when rebooting the IOS!)

    int mload_close();

    /*--------------------------------------------------------------------------------------------------------------*/

    // to get the thread id of mload

    int mload_get_thread_id();

    /*--------------------------------------------------------------------------------------------------------------*/

    // get the base and the size of the memory readable/writable to load modules

    int mload_get_load_base(u32 *starlet_base, int *size);

    /*--------------------------------------------------------------------------------------------------------------*/

    // load and run a module from starlet (it need to allocate MEM2 to send the elf file)
    // the module must be a elf made with stripios

    int mload_module(void *addr, int len);

    /*--------------------------------------------------------------------------------------------------------------*/

    // load a module from the PPC
    // the module must be a elf made with stripios

    int mload_elf(void *my_elf, data_elf *data_elf);

    /*--------------------------------------------------------------------------------------------------------------*/

    // run one thread (you can use to load modules or binary files)

    int mload_run_thread(void *starlet_addr, void *starlet_top_stack, int stack_size, int priority);

    /*--------------------------------------------------------------------------------------------------------------*/

    // stops one starlet thread

    int mload_stop_thread(int id);

    /*--------------------------------------------------------------------------------------------------------------*/

    // continue one stopped starlet thread

    int mload_continue_thread(int id);

    /*--------------------------------------------------------------------------------------------------------------*/

    // fix starlet address to read/write (uses SEEK_SET, etc as mode)

    int mload_seek(int offset, int mode);

    /*--------------------------------------------------------------------------------------------------------------*/

    // read bytes from starlet (it update the offset)

    int mload_read(void* buf, u32 size);

    /*--------------------------------------------------------------------------------------------------------------*/

    // write bytes from starlet (it update the offset)

    int mload_write(const void * buf, u32 size);

    /*--------------------------------------------------------------------------------------------------------------*/

    // fill a block (similar to memset)

    int mload_memset(void *starlet_addr, int set, int len);

    /*--------------------------------------------------------------------------------------------------------------*/

    // get the ehci datas ( ehcmodule.elf uses this address)

    void * mload_get_ehci_data();

    /*--------------------------------------------------------------------------------------------------------------*/

    // set the dev/es ioctlv in routine

    int mload_set_ES_ioctlv_vector(void *starlet_addr);

    /*--------------------------------------------------------------------------------------------------------------*/


    // to get log buffer
    // this function return the size of the log buffer and prepare it to read with mload_read() the datas

    int mload_get_log();

    void mload_reset_log();

    /*--------------------------------------------------------------------------------------------------------------*/


    // to get IOS base for dev/es  to create the cIOS

    int mload_get_IOS_base();

    /*--------------------------------------------------------------------------------------------------------------*/

    int mload_getw(const void * addr, u32 *dat);

    int mload_geth(const void * addr, u16 *dat);

    int mload_getb(const void * addr, u8 *dat);

    int mload_setw(const void * addr, u32 dat);

    int mload_seth(const void * addr, u16 dat);

    int mload_setb(const void * addr, u8 dat);

#ifdef __cplusplus

}

#endif


#endif