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[netwatch.git] / aseg-paging / smi.c
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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>
113df320 7#include <serial.h>
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8#include <fb.h>
9#include <output.h>
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10#include "../net/net.h"
11#include "vga-overlay.h"
12
9e2a82e4 13unsigned int counter = 0;
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14unsigned long pcisave = 0;
15unsigned char vgasave = 0;
16
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17void smi_entry(void)
18{
19 char statstr[512];
68beefa8 20
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21 pcisave = inl(0xCF8);
22 vgasave = inb(0x3D4);
9e2a82e4 23 pci_unbother_all();
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24
25 serial_init();
26
27 if (fb)
28 fb->getvmode(fb->priv);
68beefa8 29
9e2a82e4 30 counter++;
722e5aea 31 sprintf(statstr, "NetWatch! %08x %08x", smi_status(), counter);
a02e8abd 32 strblit(statstr, 0, 0, 0);
9e2a82e4 33
9e2a82e4 34 eth_poll();
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35
36 if (inl(0x840) & 0x1000)
37 {
38 /*
39 pci_dump();
40 */
41 outl(0x840, 0x1100);
42 outl(0x840, 0x0100);
43 }
44
113df320 45
9e2a82e4 46 smi_poll();
68beefa8 47
9e2a82e4 48 pci_bother_all();
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49 outl(0xCF8, pcisave);
50 outb(0x3D4, vgasave);
51}
52
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53extern void timer_handler(smi_event_t ev);
54extern void kbc_handler(smi_event_t ev);
55extern void gbl_rls_handler(smi_event_t ev);
9e2a82e4 56
722e5aea 57void __firstrun_stub() {
9e2a82e4 58
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59 /* Try really hard to shut up USB_LEGKEY. */
60 pci_write16(0, 31, 2, 0xC0, pci_read16(0, 31, 2, 0xC0));
61 pci_write16(0, 31, 2, 0xC0, 0);
62 pci_write16(0, 31, 4, 0xC0, pci_read16(0, 31, 4, 0xC0));
63 pci_write16(0, 31, 4, 0xC0, 0);
9e2a82e4 64
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65 /* Turn on the SMIs we want */
66 smi_disable();
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67
68 smi_register_handler(SMI_EVENT_FAST_TIMER, timer_handler);
69 smi_enable_event(SMI_EVENT_FAST_TIMER);
70
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71 smi_register_handler(SMI_EVENT_DEVTRAP_KBC, kbc_handler);
72 smi_enable_event(SMI_EVENT_DEVTRAP_KBC);
73
74 smi_register_handler(SMI_EVENT_GBL_RLS, gbl_rls_handler);
75 smi_enable_event(SMI_EVENT_GBL_RLS);
76
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77 smi_enable();
78}
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