]> Joshua Wise's Git repositories - netwatch.git/blob - aseg/firstrun.c
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[netwatch.git] / aseg / 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 "../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 void __firstrun_start() {
17         unsigned char *bp;
18         smram_state_t smram;
19         
20         smram = smram_save_state();
21         smram_tseg_set_state(SMRAM_TSEG_OPEN);
22         
23         for (bp = (void *)&_bss; (void *)bp < (void *)&_bssend; bp++)
24                 *bp = 0;
25         
26         vga_flush_imm(0);
27         
28         outputf("NetWatch running");
29
30         /* Try really hard to shut up USB_LEGKEY. */
31         pci_write16(0, 31, 2, 0xC0, pci_read16(0, 31, 2, 0xC0));
32         pci_write16(0, 31, 2, 0xC0, 0);
33         pci_write16(0, 31, 4, 0xC0, pci_read16(0, 31, 4, 0xC0));
34         pci_write16(0, 31, 4, 0xC0, 0);
35
36         /* Turn on the SMIs we want */
37         smi_disable();
38         
39         eth_init();
40         
41         smi_register_handler(SMI_EVENT_FAST_TIMER, timer_handler);
42         smi_enable_event(SMI_EVENT_FAST_TIMER);
43         
44         smi_register_handler(SMI_EVENT_DEVTRAP_KBC, kbc_handler);
45         smi_enable_event(SMI_EVENT_DEVTRAP_KBC);
46         
47         smi_register_handler(SMI_EVENT_GBL_RLS, gbl_rls_handler);
48         smi_enable_event(SMI_EVENT_GBL_RLS);
49
50         smi_enable();
51         
52         vga_flush_imm(1);
53         
54         smram_restore_state(smram);
55 }
56
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