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