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

1.1     ! root        1: /*
        !             2:  *   Creation Date: <2004/08/28 18:38:22 greg>
        !             3:  *   Time-stamp: <2004/08/28 18:38:22 greg>
        !             4:  *
        !             5:  *     <init.c>
        !             6:  *
        !             7:  *     Initialization for pearpc
        !             8:  *
        !             9:  *   Copyright (C) 2004 Greg Watson
        !            10:  *   Copyright (C) 2005 Stefan Reinauer
        !            11:  *
        !            12:  *   based on mol/init.c:
        !            13:  *
        !            14:  *   Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004 Samuel & David Rydh
        !            15:  *      ([email protected], [email protected])
        !            16:  *
        !            17:  *   This program is free software; you can redistribute it and/or
        !            18:  *   modify it under the terms of the GNU General Public License
        !            19:  *   as published by the Free Software Foundation
        !            20:  *
        !            21:  */
        !            22: 
        !            23: #include "config.h"
        !            24: #include "libopenbios/openbios.h"
        !            25: #include "libopenbios/bindings.h"
        !            26: #include "arch/common/nvram.h"
        !            27: #include "pearpc/pearpc.h"
        !            28: #include "libopenbios/ofmem.h"
        !            29: #include "openbios-version.h"
        !            30: 
        !            31: extern void unexpected_excep( int vector );
        !            32: extern void ob_pci_init( void );
        !            33: extern void ob_adb_init( void );
        !            34: extern void setup_timers( void );
        !            35: 
        !            36: #if 0
        !            37: int
        !            38: get_bool_res( const char *res )
        !            39: {
        !            40:        char buf[8], *p;
        !            41: 
        !            42:        p = BootHGetStrRes( res, buf, sizeof(buf) );
        !            43:        if( !p )
        !            44:                return -1;
        !            45:        if( !strcasecmp(p,"true") || !strcasecmp(p,"yes") || !strcasecmp(p,"1") )
        !            46:                return 1;
        !            47:        return 0;
        !            48: }
        !            49: #endif
        !            50: 
        !            51: void
        !            52: unexpected_excep( int vector )
        !            53: {
        !            54:        printk("openbios panic: Unexpected exception %x\n", vector );
        !            55:        for( ;; )
        !            56:                ;
        !            57: }
        !            58: 
        !            59: unsigned long isa_io_base;
        !            60: 
        !            61: void
        !            62: entry( void )
        !            63: {
        !            64:        isa_io_base = 0x80000000;
        !            65: 
        !            66:        printk("\n");
        !            67:        printk("=============================================================\n");
        !            68:         printk(PROGRAM_NAME " " OPENBIOS_VERSION_STR " [%s]\n",
        !            69:                OPENBIOS_BUILD_DATE);
        !            70: 
        !            71:        ofmem_init();
        !            72:        initialize_forth();
        !            73:        /* won't return */
        !            74: 
        !            75:        printk("of_startup returned!\n");
        !            76:        for( ;; )
        !            77:                ;
        !            78: }
        !            79: 
        !            80: static void
        !            81: setenv( char *env, char *value )
        !            82: {
        !            83:        push_str( value );
        !            84:        push_str( env );
        !            85:        fword("$setenv");
        !            86: }
        !            87: 
        !            88: void
        !            89: arch_of_init( void )
        !            90: {
        !            91: #if CONFIG_RTAS
        !            92:        phandle_t ph;
        !            93: #endif
        !            94:        int autoboot;
        !            95: 
        !            96:        devtree_init();
        !            97:        nvram_init("/pci/mac-io/nvram");
        !            98:        openbios_init();
        !            99:        modules_init();
        !           100:         setup_timers();
        !           101: #ifdef CONFIG_DRIVER_PCI
        !           102:        ob_pci_init();
        !           103: #endif
        !           104:        node_methods_init();
        !           105:        init_video();
        !           106: 
        !           107: #if CONFIG_RTAS
        !           108:        if( !(ph=find_dev("/rtas")) )
        !           109:                printk("Warning: No /rtas node\n");
        !           110:        else {
        !           111:                unsigned long size = 0x1000;
        !           112:                while( size < (unsigned long)of_rtas_end - (unsigned long)of_rtas_start )
        !           113:                        size *= 2;
        !           114:                set_property( ph, "rtas-size", (char*)&size, sizeof(size) );
        !           115:        }
        !           116: #endif
        !           117: 
        !           118: #if 0
        !           119:        /* tweak boot settings */
        !           120:        autoboot = !!get_bool_res("autoboot");
        !           121: #endif
        !           122:        autoboot = 0;
        !           123:        if( !autoboot )
        !           124:                printk("Autobooting disabled - dropping into OpenFirmware\n");
        !           125:        setenv("auto-boot?", autoboot ? "true" : "false" );
        !           126:        setenv("boot-command", "pearpcboot");
        !           127: 
        !           128: #if 0
        !           129:        if( get_bool_res("tty-interface") == 1 )
        !           130: #endif
        !           131:                fword("activate-tty-interface");
        !           132: 
        !           133:        /* hack */
        !           134:        device_end();
        !           135:        bind_func("pearpcboot", boot );
        !           136: }

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