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[netwatch.git] / aseg-paging / smi.c
1 #include <io.h>
2 #include <smram.h>
3 #include <video_defines.h>
4 #include <minilib.h>
5 #include <smi.h>
6 #include <pci-bother.h>
7 #include <serial.h>
8 #include "../net/net.h"
9 #include "vga-overlay.h"
10
11 unsigned int counter = 0;
12 unsigned long pcisave = 0;
13 unsigned char vgasave = 0;
14
15 void smi_entry(void)
16 {
17         char statstr[512];
18
19         pcisave = inl(0xCF8);
20         vgasave = inb(0x3D4);
21         pci_unbother_all();
22
23         counter++;
24         sprintf(statstr, "NetWatch! %08x %08x", smi_status(), counter);
25         strblit(statstr, 0, 0);
26         
27         serial_init();
28         eth_poll();
29         
30         if (inl(0x840) & 0x1000)
31         {
32         /*
33                 pci_dump();
34         */
35                 outl(0x840, 0x1100);
36                 outl(0x840, 0x0100);
37         }
38
39
40         smi_poll();
41         
42         pci_bother_all();
43         outl(0xCF8, pcisave);
44         outb(0x3D4, vgasave);
45 }
46
47 extern void timer_handler(smi_event_t ev);
48 extern void kbc_handler(smi_event_t ev);
49 extern void gbl_rls_handler(smi_event_t ev);
50
51 void __firstrun_stub() {
52
53         /* Try really hard to shut up USB_LEGKEY. */
54         pci_write16(0, 31, 2, 0xC0, pci_read16(0, 31, 2, 0xC0));
55         pci_write16(0, 31, 2, 0xC0, 0);
56         pci_write16(0, 31, 4, 0xC0, pci_read16(0, 31, 4, 0xC0));
57         pci_write16(0, 31, 4, 0xC0, 0);
58
59         /* Turn on the SMIs we want */
60         smi_disable();
61
62         smi_register_handler(SMI_EVENT_FAST_TIMER, timer_handler);
63         smi_enable_event(SMI_EVENT_FAST_TIMER);
64
65         smi_register_handler(SMI_EVENT_DEVTRAP_KBC, kbc_handler);
66         smi_enable_event(SMI_EVENT_DEVTRAP_KBC);
67
68         smi_register_handler(SMI_EVENT_GBL_RLS, gbl_rls_handler);
69         smi_enable_event(SMI_EVENT_GBL_RLS);
70
71         smi_enable();
72 }
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