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// ==========================================================================

// 

//      pdcecos_app.c

// 

//      Public Domain Curses for eCos

// 

// ===========================================================================

// ####ECOSGPLCOPYRIGHTBEGIN####                                            

// -------------------------------------------                              

// This file is part of eCos, the Embedded Configurable Operating System.   

// Copyright (C) 2009 Free Software Foundation, Inc.

//

// eCos 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 or (at your option) any later      

// version.                                                                 

//

// eCos 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 eCos; if not, write to the Free Software Foundation, Inc.,    

// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.            

//

// As a special exception, if other files instantiate templates or use      

// macros or inline functions from this file, or you compile this file      

// and link it with other works to produce a work based on this file,       

// this file does not by itself cause the resulting work to be covered by   

// the GNU General Public License. However the source code for this file    

// must still be made available in accordance with section (3) of the GNU   

// General Public License v2.                                               

//

// This exception does not invalidate any other reasons why a work based    

// on this file might be covered by the GNU General Public License.         

// -------------------------------------------                              

// ####ECOSGPLCOPYRIGHTEND####                                              

// ===========================================================================

// ===========================================================================

// #####DESCRIPTIONBEGIN####

// 

// Author(s):    Sergei Gavrikov

// Contributors: Sergei Gavrikov

// Date:         2009-03-26

// Purpose:      Early startup for PDCurses stuff

// Description:

// 

// ####DESCRIPTIONEND####

// 

// ========================================================================*/

// ---------------------------------------------------------------------------

// CONFIGURATION CHECKS 

// 

#include <pkgconf/system.h>            // which packages are enabled/disabled

#ifdef CYGPKG_KERNEL

# include <pkgconf/kernel.h>

#endif

#ifdef CYGPKG_LIBC

# include <pkgconf/libc.h>

#endif

#ifdef CYGPKG_IO_SERIAL

# include <pkgconf/io_serial.h>

#endif

#ifdef CYGPKG_FS_JFFS2

# include <pkgconf/io_flash.h>

#define USE_JFFS2

#endif

#ifndef CYGFUN_KERNEL_API_C

# error Kernel API must be enabled to build this application

#endif

#ifndef CYGPKG_LIBC_STDIO

# error C library standard I/O must be enabled to build this application

#endif

#ifndef CYGPKG_IO_SERIAL_HALDIAG

# error I/O HALDIAG pseudo-device driver must be enabled to build this application

#endif

#include <pkgconf/pdcurses.h>

// ---------------------------------------------------------------------------

// INCLUDES 

// 

#include <stdio.h>                     // printf

#include <stdlib.h>                    // printf

#include <cyg/kernel/kapi.h>           // All the kernel specific stuff

#include <cyg/hal/hal_arch.h>          // CYGNUM_HAL_STACK_SIZE_TYPICAL

#include "pdcecos_app.h"

// Define table boundaries

CYG_HAL_TABLE_BEGIN(__PDC_APP_TAB__, _pdc_apps);

CYG_HAL_TABLE_END(__PDC_APP_TAB_END__, _pdc_apps);

extern struct _pdc_app_entry __PDC_APP_TAB__[],

                __PDC_APP_TAB_END__;

// ---------------------------------------------------------------------------

// PDCurses startup thread. 

// 

static char     startup_stack[STACKSIZE];

cyg_handle_t    startup_thread;

cyg_thread      startup_thread_obj;

static void

startup(CYG_ADDRESS data)

{

    cyg_ucount32    pdc_data_index;

    struct _pdc_app_entry *pdc;

    printf("SYSTEM INITIALIZATION in progress\n");

#ifdef USE_JFFS2

    {

        int             res;

        printf("... Mounting JFFS2 on \"/\"\n");

        res = mount(CYGDAT_IO_FLASH_BLOCK_DEVICE_NAME_1, "/", "jffs2");

        if (res < 0) {

            printf("Mount \"/\" failed - res: %d\n", res);

        }

        chdir("/");

    }

#endif

    pdc_data_index = cyg_thread_new_data_index();

    printf("data index = %d\n", pdc_data_index);

    printf("Creating system threads\n");

    for (pdc = __PDC_APP_TAB__; pdc != &__PDC_APP_TAB_END__; pdc++) {

        printf("Creating %s thread\n", pdc->name);

        cyg_thread_create(pdc->prio,

                          pdc->entry,

                          (cyg_addrword_t) pdc_data_index,

                          pdc->name,

                          (void *) pdc->stack, STACKSIZE,

                          &pdc->t, &pdc->t_obj);

    }

    printf("Starting threads\n");

    for (pdc = __PDC_APP_TAB__; pdc != &__PDC_APP_TAB_END__; pdc++) {

        printf("Starting %s\n", pdc->name);

        cyg_thread_resume(pdc->t);

        if (pdc->init) {

            (pdc->init) (pdc_data_index);

        }

    }

    printf("SYSTEM THREADS STARTED!\n");

}

void

cyg_user_start(void)

{

    // Create the initial thread and start it up

    cyg_thread_create(PDC_ECOS_STARTUP_PRIORITY,

                      startup,

                      (cyg_addrword_t) 0,

                      "System startup",

                      (void *) startup_stack, STACKSIZE,

                      &startup_thread, &startup_thread_obj);

    cyg_thread_resume(startup_thread);

}

// ---------------------------------------------------------------------------

// EOF pdcecos_app.c