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Annotation of qemu/roms/openbios/arch/ppc/mol/init.c, revision 1.1.1.1

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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