| | 1 | /* smi.c |
| | 2 | * First-run SMI C entry point |
| | 3 | * NetWatch system management mode administration console |
| | 4 | * |
| | 5 | * Copyright (c) 2008 Jacob Potter and Joshua Wise. All rights reserved. |
| | 6 | * This program is free software; you can redistribute and/or modify it under |
| | 7 | * the terms found in the file LICENSE in the root of this source tree. |
| | 8 | * |
| | 9 | */ |
| | 10 | |
| | 11 | #include <io.h> |
| | 12 | #include <smram.h> |
| | 13 | #include <video_defines.h> |
| | 14 | #include <minilib.h> |
| | 15 | #include <smi.h> |
| | 16 | #include <pci-bother.h> |
| | 17 | #include <serial.h> |
| | 18 | #include <fb.h> |
| | 19 | #include <output.h> |
| | 20 | #include <msr.h> |
| | 21 | #include "../net/net.h" |
| | 22 | #include "vga-overlay.h" |
| | 23 | |
| | 24 | unsigned int counter = 0; |
| | 25 | unsigned long pcisave = 0; |
| | 26 | unsigned char vgasave = 0; |
| | 27 | |
| | 28 | void smi_entry(void) |
| | 29 | { |
| | 30 | char statstr[512]; |
| | 31 | |
| | 32 | /* Reenable caching on SMRAM. */ |
| | 33 | WRMSR(0x202, (RDMSR(0x202) & ~(0xFFULL)) | 0x06ULL); |
| | 34 | |
| | 35 | pcisave = inl(0xCF8); |
| | 36 | vgasave = inb(0x3D4); |
| | 37 | pci_unbother_all(); |
| | 38 | |
| | 39 | serial_init(); |
| | 40 | |
| | 41 | if (fb) |
| | 42 | fb->getvmode(fb->priv); |
| | 43 | |
| | 44 | counter++; |
| | 45 | if (!fb || fb->curmode.text) |
| | 46 | { |
| | 47 | sprintf(statstr, "NetWatch! %08x %08x", smi_status(), counter); |
| | 48 | strblit(statstr, 0, 0, 0); |
| | 49 | } |
| | 50 | |
| | 51 | eth_poll(); |
| | 52 | |
| | 53 | if (inl(0x840) & 0x1000) |
| | 54 | { |
| | 55 | /* |
| | 56 | pci_dump(); |
| | 57 | */ |
| | 58 | outl(0x840, 0x1100); |
| | 59 | outl(0x840, 0x0100); |
| | 60 | } |
| | 61 | |
| | 62 | |
| | 63 | smi_poll(); |
| | 64 | |
| | 65 | pci_bother_all(); |
| | 66 | outl(0xCF8, pcisave); |
| | 67 | outb(0x3D4, vgasave); |
| | 68 | |
| | 69 | /* Disable caching on SMRAM again, to prevent the user from whacking us. */ |
| | 70 | WRMSR(0x202, RDMSR(0x202) & ~(0xFFULL)); |
| | 71 | } |
| | 72 | |
| | 73 | extern void timer_handler(smi_event_t ev); |
| | 74 | extern void kbc_handler(smi_event_t ev); |
| | 75 | extern void gbl_rls_handler(smi_event_t ev); |
| | 76 | |
| | 77 | void __firstrun_stub() |
| | 78 | { |
| | 79 | /* Turn on the SMIs we want */ |
| | 80 | smi_disable(); |
| | 81 | |
| | 82 | smi_register_handler(SMI_EVENT_FAST_TIMER, timer_handler); |
| | 83 | smi_enable_event(SMI_EVENT_FAST_TIMER); |
| | 84 | |
| | 85 | smi_register_handler(SMI_EVENT_DEVTRAP_KBC, kbc_handler); |
| | 86 | smi_enable_event(SMI_EVENT_DEVTRAP_KBC); |
| | 87 | |
| | 88 | smi_register_handler(SMI_EVENT_GBL_RLS, gbl_rls_handler); |
| | 89 | smi_enable_event(SMI_EVENT_GBL_RLS); |
| | 90 | |
| | 91 | smi_enable(); |
| | 92 | } |
git.joshuawise.com / netwatch.git / blame_incremental