Add qemu 2.4.0
[kvmfornfv.git] / qemu / roms / openbios / arch / ppc / briq / init.c
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 briq
8  *
9  *   Copyright (C) 2004 Greg Watson
10  *
11  *   based on mol/init.c:
12  *
13  *   Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004 Samuel & David Rydh
14  *      (samuel@ibrium.se, dary@lindesign.se)
15  *
16  *   This program is free software; you can redistribute it and/or
17  *   modify it under the terms of the GNU General Public License
18  *   as published by the Free Software Foundation
19  *
20  */
21
22 #include "config.h"
23 #include "libopenbios/openbios.h"
24 #include "libopenbios/bindings.h"
25 #include "arch/common/nvram.h"
26 #include "briq/briq.h"
27 #include "libopenbios/ofmem.h"
28 #include "openbios-version.h"
29
30 extern void unexpected_excep( int vector );
31 extern void setup_timers( void );
32
33 #if 0
34 int
35 get_bool_res( const char *res )
36 {
37         char buf[8], *p;
38
39         p = BootHGetStrRes( res, buf, sizeof(buf) );
40         if( !p )
41                 return -1;
42         if( !strcasecmp(p,"true") || !strcasecmp(p,"yes") || !strcasecmp(p,"1") )
43                 return 1;
44         return 0;
45 }
46 #endif
47
48 void
49 unexpected_excep( int vector )
50 {
51         printk("briQ panic: Unexpected exception %x\n", vector );
52         for( ;; )
53                 ;
54 }
55
56 unsigned long isa_io_base;
57
58 void
59 entry( void )
60 {
61         isa_io_base = 0x80000000;
62
63         printk("\n");
64         printk("=============================================================\n");
65         printk(PROGRAM_NAME " " OPENBIOS_VERSION_STR " [%s]\n",
66                OPENBIOS_BUILD_DATE);
67
68         ofmem_init();
69         initialize_forth();
70         /* won't return */
71
72         printk("of_startup returned!\n");
73         for( ;; )
74                 ;
75 }
76
77 static void
78 setenv( char *env, char *value )
79 {
80         push_str( value );
81         push_str( env );
82         fword("$setenv");
83 }
84
85 void
86 arch_of_init( void )
87 {
88 #if CONFIG_RTAS
89         phandle_t ph;
90 #endif
91         int autoboot;
92
93         devtree_init();
94         node_methods_init();
95         modules_init();
96         setup_timers();
97 #ifdef CONFIG_DRIVER_PCI
98         ob_pci_init();
99 #endif
100
101 #if CONFIG_RTAS
102         if( !(ph=find_dev("/rtas")) )
103                 printk("Warning: No /rtas node\n");
104         else {
105                 unsigned long size = 0x1000;
106                 while( size < (unsigned long)of_rtas_end - (unsigned long)of_rtas_start )
107                         size *= 2;
108                 set_property( ph, "rtas-size", (char*)&size, sizeof(size) );
109         }
110 #endif
111
112 #if 0
113         /* tweak boot settings */
114         autoboot = !!get_bool_res("autoboot");
115 #endif
116         autoboot = 0;
117         if( !autoboot )
118                 printk("Autobooting disabled - dropping into OpenFirmware\n");
119         setenv("auto-boot?", autoboot ? "true" : "false" );
120         setenv("boot-command", "briqboot");
121
122 #if 0
123         if( get_bool_res("tty-interface") == 1 )
124 #endif
125                 fword("activate-tty-interface");
126
127         /* hack */
128         device_end();
129         bind_func("briqboot", boot );
130 }