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[netwatch.git] / netwatch / firstrun.c
1 #include <io.h>
2 #include <smi.h>
3 #include <pci.h>
4 #include <reg-82801b.h>
5 #include <output.h>
6 #include "vga-overlay.h"
7 #include <smram.h>
8 #include <text.h>
9 #include "../net/net.h"
10 #include <crc32.h>
11
12 extern int _bss, _bssend;
13
14 extern void timer_handler(smi_event_t ev);
15 extern void kbc_handler(smi_event_t ev);
16 extern void gbl_rls_handler(smi_event_t ev);
17
18 extern pci_driver_t *drivers[];
19
20 void smi_init() {
21         smram_state_t smram;
22         pci_driver_t **driver;
23         
24         smram = smram_save_state();
25         smram_tseg_set_state(SMRAM_TSEG_OPEN);
26
27         outputf("NetWatch running");
28
29         /* Try really hard to shut up USB_LEGKEY. */
30         pci_write16(0, 31, 2, 0xC0, pci_read16(0, 31, 2, 0xC0));
31         pci_write16(0, 31, 2, 0xC0, 0);
32         pci_write16(0, 31, 4, 0xC0, pci_read16(0, 31, 4, 0xC0));
33         pci_write16(0, 31, 4, 0xC0, 0);
34
35         /* Turn on the SMIs we want */
36         smi_disable();
37         
38         eth_init();
39         
40         crc32_init();
41         
42         /* After everything is initialized, load drivers. */
43         for (driver = drivers; *driver; driver++)
44         {
45                 outputf("Probing driver: %s", (*driver)->name);
46                 if (pci_probe_driver(*driver))
47                         output("Found a card");
48         }
49         outputf("Driver probe complete");
50         
51         /* Load in fonts. */
52         text_init();
53
54         smi_register_handler(SMI_EVENT_FAST_TIMER, timer_handler);
55         smi_enable_event(SMI_EVENT_FAST_TIMER);
56
57         smi_register_handler(SMI_EVENT_DEVTRAP_KBC, kbc_handler);
58         smi_enable_event(SMI_EVENT_DEVTRAP_KBC);
59         
60         smi_register_handler(SMI_EVENT_GBL_RLS, gbl_rls_handler);
61         smi_enable_event(SMI_EVENT_GBL_RLS);
62
63         smi_enable();
64         
65         vga_flush_imm(1);
66         
67         smram_restore_state(smram);
68 }
69
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