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Annotation of qemu/roms/openbios/arch/ppc/mol/init.c, revision 1.1

1.1     ! root        1: /*
        !             2:  *   Creation Date: <1999/11/16 00:49:26 samuel>
        !             3:  *   Time-stamp: <2004/04/12 16:26:50 samuel>
        !             4:  *
        !             5:  *     <init.c>
        !             6:  *
        !             7:  *     Initialization
        !             8:  *
        !             9:  *   Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004 Samuel & David Rydh
        !            10:  #      ([email protected], [email protected])
        !            11:  *
        !            12:  *   This program is free software; you can redistribute it and/or
        !            13:  *   modify it under the terms of the GNU General Public License
        !            14:  *   as published by the Free Software Foundation
        !            15:  *
        !            16:  */
        !            17: 
        !            18: #include "config.h"
        !            19: #include "libopenbios/openbios.h"
        !            20: #include "libopenbios/bindings.h"
        !            21: #include "arch/common/nvram.h"
        !            22: #include "mol/mol.h"
        !            23: #include "libopenbios/ofmem.h"
        !            24: #include "mol/prom.h"
        !            25: #include "openbios-version.h"
        !            26: #include "osi_calls.h"
        !            27: #include "boothelper_sh.h"
        !            28: 
        !            29: extern void unexpected_excep( int vector );
        !            30: 
        !            31: int
        !            32: get_bool_res( const char *res )
        !            33: {
        !            34:        char buf[8], *p;
        !            35: 
        !            36:        p = BootHGetStrRes( res, buf, sizeof(buf) );
        !            37:        if( !p )
        !            38:                return -1;
        !            39:        if( !strcasecmp(p,"true") || !strcasecmp(p,"yes") || !strcasecmp(p,"1") )
        !            40:                return 1;
        !            41:        return 0;
        !            42: }
        !            43: 
        !            44: void
        !            45: unexpected_excep( int vector )
        !            46: {
        !            47:        printk("MOL panic: Unexpected exception %x\n", vector );
        !            48:        for( ;; )
        !            49:                ;
        !            50: }
        !            51: 
        !            52: unsigned long isa_io_base;
        !            53: 
        !            54: void
        !            55: entry( void )
        !            56: {
        !            57:        isa_io_base = 0x80000000;
        !            58: 
        !            59:        printk("\n");
        !            60:        printk("=============================================================\n");
        !            61:         printk(PROGRAM_NAME " " OPENBIOS_VERSION_STR " [%s]\n",
        !            62:                OPENBIOS_BUILD_DATE);
        !            63: 
        !            64:        ofmem_init();
        !            65:        initialize_forth();
        !            66:        /* won't return */
        !            67: 
        !            68:        printk("of_startup returned!\n");
        !            69:        for( ;; )
        !            70:                ;
        !            71: }
        !            72: 
        !            73: static void
        !            74: setenv( char *env, char *value )
        !            75: {
        !            76:        push_str( value );
        !            77:        push_str( env );
        !            78:        fword("$setenv");
        !            79: }
        !            80: 
        !            81: void
        !            82: arch_of_init( void )
        !            83: {
        !            84:        mol_phandle_t ph;
        !            85:        int autoboot;
        !            86: 
        !            87:        devtree_init();
        !            88:        node_methods_init();
        !            89:        nvram_init("/pci/mac-io/nvram");
        !            90:        openbios_init();
        !            91:        modules_init();
        !            92:        pseudodisk_init();
        !            93:        osiblk_init();
        !            94:        osiscsi_init();
        !            95:        init_video();
        !            96: 
        !            97:        if( (ph=prom_find_device("/rtas")) == -1 )
        !            98:                printk("Warning: No /rtas node\n");
        !            99:        else {
        !           100:                unsigned long size = 0x1000;
        !           101:                while( size < (unsigned long)of_rtas_end - (unsigned long)of_rtas_start )
        !           102:                        size *= 2;
        !           103:                prom_set_prop( ph, "rtas-size", (char*)&size, sizeof(size) );
        !           104:        }
        !           105: 
        !           106:        /* tweak boot settings */
        !           107:        autoboot = !!get_bool_res("autoboot");
        !           108:        if( !autoboot )
        !           109:                printk("Autobooting disabled - dropping into OpenFirmware\n");
        !           110:        setenv("auto-boot?", autoboot ? "true" : "false" );
        !           111:        setenv("boot-command", "molboot");
        !           112: 
        !           113:        if( get_bool_res("tty-interface") == 1 )
        !           114:                fword("activate-tty-interface");
        !           115: 
        !           116:        /* hack */
        !           117:        device_end();
        !           118:        bind_func("molboot", boot );
        !           119: }

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