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[netwatch.git] / netwatch / firstrun.c
1 /* firstrun.c
2  * First-run handler
3  * NetWatch system management mode administration console
4  *
5  * Copyright (c) 2008 Jacob Potter and Joshua Wise.  All rights reserved.
6  * This program is free software; you can redistribute and/or modify it under
7  * the terms found in the file LICENSE in the root of this source tree.
8  *
9  */
10
11 #include <io.h>
12 #include <smi.h>
13 #include <pci.h>
14 #include <reg-82801b.h>
15 #include <output.h>
16 #include "vga-overlay.h"
17 #include <smram.h>
18 #include <text.h>
19 #include "../net/net.h"
20 #include <crc32.h>
21
22 extern int _bss, _bssend;
23
24 extern void timer_handler(smi_event_t ev);
25 extern void kbc_handler(smi_event_t ev);
26 extern void gbl_rls_handler(smi_event_t ev);
27
28 extern pci_driver_t *drivers[];
29
30 void smi_init() {
31         smram_state_t smram;
32         pci_driver_t **driver;
33         
34         smram = smram_save_state();
35         smram_tseg_set_state(SMRAM_TSEG_OPEN);
36
37         outputf("NetWatch running");
38
39         /* Try really hard to shut up USB_LEGKEY. */
40         pci_write16(0, 31, 2, 0xC0, pci_read16(0, 31, 2, 0xC0));
41         pci_write16(0, 31, 2, 0xC0, 0);
42         pci_write16(0, 31, 4, 0xC0, pci_read16(0, 31, 4, 0xC0));
43         pci_write16(0, 31, 4, 0xC0, 0);
44
45         /* Turn on the SMIs we want */
46         smi_disable();
47         
48         eth_init();
49         
50         crc32_init();
51         
52         /* After everything is initialized, load drivers. */
53         for (driver = drivers; *driver; driver++)
54         {
55                 outputf("Probing driver: %s", (*driver)->name);
56                 if (pci_probe_driver(*driver))
57                         output("Found a card");
58         }
59         outputf("Driver probe complete");
60         
61         /* Load in fonts. */
62         text_init();
63
64         smi_register_handler(SMI_EVENT_FAST_TIMER, timer_handler);
65         smi_enable_event(SMI_EVENT_FAST_TIMER);
66
67         smi_register_handler(SMI_EVENT_DEVTRAP_KBC, kbc_handler);
68         smi_enable_event(SMI_EVENT_DEVTRAP_KBC);
69         
70         smi_register_handler(SMI_EVENT_GBL_RLS, gbl_rls_handler);
71         smi_enable_event(SMI_EVENT_GBL_RLS);
72
73         smi_enable();
74         
75         vga_flush_imm(1);
76         
77         smram_restore_state(smram);
78 }
79
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