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Annotation of qemu/roms/SLOF/board-qemu/veth/module_entry.c, revision 1.1

1.1     ! root        1: /******************************************************************************
        !             2:  * Copyright (c) 2004, 2011 IBM Corporation
        !             3:  * All rights reserved.
        !             4:  * This program and the accompanying materials
        !             5:  * are made available under the terms of the BSD License
        !             6:  * which accompanies this distribution, and is available at
        !             7:  * http://www.opensource.org/licenses/bsd-license.php
        !             8:  *
        !             9:  * Contributors:
        !            10:  *     IBM Corporation - initial implementation
        !            11:  *****************************************************************************/
        !            12: 
        !            13: #include "netdriver_int.h"
        !            14: 
        !            15: static void* memset( void *dest, int c, size_t n )
        !            16: {
        !            17:        while( n-- ) {
        !            18:                *( char * ) dest++ = ( char ) c;
        !            19:        }
        !            20:        return dest;
        !            21: }
        !            22: 
        !            23: extern char __bss_start;
        !            24: extern char __bss_size;
        !            25: 
        !            26: extern snk_module_t* veth_module_init(snk_kernel_t *snk_kernel_int,
        !            27:                                      vio_config_t *conf);
        !            28: 
        !            29: snk_module_t* module_init(snk_kernel_t *snk_kernel_int, pci_config_t *pciconf)
        !            30: {
        !            31:        char              *bss      = &__bss_start;
        !            32:        unsigned long long bss_size = (unsigned long long) &__bss_size;
        !            33:        vio_config_t      *vioconf  = (vio_config_t *)pciconf;
        !            34: 
        !            35:        if (((unsigned long long) bss) + bss_size >= 0xFF00000 
        !            36:         || bss_size >= 0x2000000) {
        !            37:                snk_kernel_int->print("BSS size (%llu bytes) is too big!\n",
        !            38:                                      bss_size);
        !            39:                return 0;
        !            40:        }
        !            41:        memset(bss, 0, bss_size);
        !            42: 
        !            43:        return veth_module_init(snk_kernel_int, vioconf);
        !            44: }

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