507 lines
11 KiB
C
507 lines
11 KiB
C
|
/*++
|
||
|
|
|
||
|
|
Copyright (c) 1991 Microsoft Corporation
|
||
|
|
Copyright (c) 1998 Intel Corporation
|
||
|
|
|
||
|
|
|
||
|
|
Module Name:
|
||
|
|
|
||
|
|
exp.c
|
||
|
|
|
||
|
|
Abstract:
|
||
|
|
|
||
|
|
This file contains low level I/O functions that are implemented
|
||
|
|
with BIOS calls.
|
||
|
|
|
||
|
|
Author:
|
||
|
|
|
||
|
|
Allen Kay (akay) 04-Aug-97
|
||
|
|
|
||
|
|
--*/
|
||
|
|
|
||
|
|
#include "bldr.h"
|
||
|
|
#include "sudata.h"
|
||
|
|
#if defined(_IA64_)
|
||
|
|
#include "bootia64.h"
|
||
|
|
#include "bldria64.h"
|
||
|
|
#endif
|
||
|
|
#include "efi.h"
|
||
|
|
#include "extern.h"
|
||
|
|
|
||
|
|
|
||
|
|
ARC_STATUS
|
||
|
|
RebootProcessor(
|
||
|
|
)
|
||
|
|
{
|
||
|
|
#if DBG
|
||
|
|
BlPrint(TEXT("About to call EfiRS->ResetSystem()"));
|
||
|
|
#endif
|
||
|
|
|
||
|
|
FlipToPhysical();
|
||
|
|
|
||
|
|
return( (ARC_STATUS) EfiRS->ResetSystem(EfiResetCold, 0, 0, NULL) );
|
||
|
|
}
|
||
|
|
|
||
|
|
ARC_STATUS
|
||
|
|
GetSector(
|
||
|
|
ULONG Operation,
|
||
|
|
ULONG Drive,
|
||
|
|
ULONG Head,
|
||
|
|
ULONG Cylinder,
|
||
|
|
ULONG Sector,
|
||
|
|
ULONG SectorCount,
|
||
|
|
ULONG Buffer
|
||
|
|
)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// NOTE!: Need to remove this function
|
||
|
|
//
|
||
|
|
return (0);
|
||
|
|
}
|
||
|
|
|
||
|
|
ARC_STATUS
|
||
|
|
GetEddsSector(
|
||
|
|
EFI_HANDLE Handle,
|
||
|
|
ULONG SectorNumberLow,
|
||
|
|
ULONG SectorNumberHigh,
|
||
|
|
ULONG SectorCount,
|
||
|
|
PUCHAR Buffer,
|
||
|
|
UCHAR Write
|
||
|
|
)
|
||
|
|
{
|
||
|
|
EFI_BLOCK_IO *BlkDev;
|
||
|
|
EFI_STATUS Status;
|
||
|
|
ULONGLONG Lba;
|
||
|
|
|
||
|
|
//
|
||
|
|
// First go into physical mode since EFI calls can only be made in
|
||
|
|
// physical mode.
|
||
|
|
//
|
||
|
|
FlipToPhysical();
|
||
|
|
|
||
|
|
//
|
||
|
|
// convert virtual address to physical if it is virtual.
|
||
|
|
//
|
||
|
|
|
||
|
|
if (((ULONGLONG)Buffer & KSEG0_BASE) == KSEG0_BASE) {
|
||
|
|
Buffer = (PUCHAR) ((ULONGLONG)Buffer & ~KSEG0_BASE);
|
||
|
|
}
|
||
|
|
|
||
|
|
Lba = (SectorNumberHigh << 32) | SectorNumberLow;
|
||
|
|
|
||
|
|
Status = EfiBS->HandleProtocol( Handle,
|
||
|
|
&EfiBlockIoProtocol,
|
||
|
|
&BlkDev);
|
||
|
|
if (EFI_ERROR(Status)) {
|
||
|
|
EfiST->ConOut->OutputString(EfiST->ConOut,
|
||
|
|
L"GetEddSector: HandleProtocol failed\n\r");
|
||
|
|
return (EIO);
|
||
|
|
EfiBS->Exit(EfiImageHandle, Status, 0, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
if (Write == 0x43) {
|
||
|
|
Status = BlkDev->WriteBlocks( BlkDev,
|
||
|
|
BlkDev->Media->MediaId,
|
||
|
|
Lba,
|
||
|
|
SectorCount * BlkDev->Media->BlockSize,
|
||
|
|
Buffer);
|
||
|
|
} else {
|
||
|
|
Status = BlkDev->ReadBlocks( BlkDev,
|
||
|
|
BlkDev->Media->MediaId,
|
||
|
|
Lba,
|
||
|
|
SectorCount * BlkDev->Media->BlockSize,
|
||
|
|
Buffer);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
if (EFI_ERROR(Status) && BlkDev->Media->RemovableMedia) {
|
||
|
|
//
|
||
|
|
// Restore virtual mode before returning.
|
||
|
|
//
|
||
|
|
FlipToVirtual();
|
||
|
|
//
|
||
|
|
// NOTE!: A more appropriate error status equivalent to "No Media Present"
|
||
|
|
// needs to be returned
|
||
|
|
//
|
||
|
|
return (ENODEV);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
if (EFI_ERROR(Status)) {
|
||
|
|
EfiST->ConOut->OutputString(EfiST->ConOut,
|
||
|
|
L"\nGetEddsSector: Error Reading Media!\r\n");
|
||
|
|
return (EIO);
|
||
|
|
//EfiBS->Exit(EfiImageHandle, Status, 0, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Restore virtual mode before returning.
|
||
|
|
//
|
||
|
|
FlipToVirtual();
|
||
|
|
|
||
|
|
return(ESUCCESS);
|
||
|
|
}
|
||
|
|
|
||
|
|
ULONG
|
||
|
|
GetKey(
|
||
|
|
)
|
||
|
|
{
|
||
|
|
SIMPLE_INPUT_INTERFACE *Input;
|
||
|
|
EFI_INPUT_KEY Key;
|
||
|
|
EFI_STATUS Status;
|
||
|
|
ULONG Code;
|
||
|
|
|
||
|
|
//
|
||
|
|
// First go into physical mode since EFI calls can only be made in
|
||
|
|
// physical mode.
|
||
|
|
//
|
||
|
|
FlipToPhysical();
|
||
|
|
|
||
|
|
// BiVerifyCursorPosition();
|
||
|
|
Input = EfiST->ConIn;
|
||
|
|
|
||
|
|
Status = Input->ReadKeyStroke(Input, &Key);
|
||
|
|
if (EFI_ERROR(Status)) {
|
||
|
|
FlipToVirtual();
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (Key.UnicodeChar) {
|
||
|
|
// truncate unicode char to ascii
|
||
|
|
if (Key.UnicodeChar > 0xFF) {
|
||
|
|
FlipToVirtual();
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Convert back spaces
|
||
|
|
if (Key.UnicodeChar == 0x08) {
|
||
|
|
Key.UnicodeChar = 0x0E08;
|
||
|
|
}
|
||
|
|
|
||
|
|
FlipToVirtual();
|
||
|
|
return Key.UnicodeChar;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Convert EFI keys to dos key codes
|
||
|
|
//
|
||
|
|
|
||
|
|
Code = 0;
|
||
|
|
switch (Key.ScanCode) {
|
||
|
|
#if 0
|
||
|
|
case SCAN_UP: Code = 0x4800; break;
|
||
|
|
case SCAN_DOWN: Code = 0x5000; break;
|
||
|
|
case SCAN_RIGHT: Code = 0x4d00; break;
|
||
|
|
case SCAN_LEFT: Code = 0x4b00; break;
|
||
|
|
case SCAN_HOME: Code = 0x4700; break;
|
||
|
|
case SCAN_INSERT: Code = 0x5200; break;
|
||
|
|
case SCAN_DELETE: Code = 0x5300; break;
|
||
|
|
case SCAN_PAGE_UP: Code = 0x4900; break;
|
||
|
|
case SCAN_PAGE_DOWN: Code = 0x5100; break;
|
||
|
|
case SCAN_F1: Code = 0x3b00; break;
|
||
|
|
case SCAN_F2: Code = 0x3c00; break;
|
||
|
|
case SCAN_F3: Code = 0x3d00; break;
|
||
|
|
case SCAN_F4: Code = 0x3e00; break;
|
||
|
|
case SCAN_F5: Code = 0x3f00; break;
|
||
|
|
case SCAN_F6: Code = 0x4000; break;
|
||
|
|
case SCAN_F7: Code = 0x4100; break;
|
||
|
|
case SCAN_F8: Code = 0x4200; break;
|
||
|
|
case SCAN_F9: Code = 0x4300; break;
|
||
|
|
case SCAN_F10: Code = 0x4400; break;
|
||
|
|
case SCAN_ESC: Code = 0x001d; break;
|
||
|
|
#else
|
||
|
|
case SCAN_UP: Code = UP_ARROW; break;
|
||
|
|
case SCAN_DOWN: Code = DOWN_ARROW; break;
|
||
|
|
case SCAN_RIGHT: Code = RIGHT_KEY; break;
|
||
|
|
case SCAN_LEFT: Code = LEFT_KEY; break;
|
||
|
|
case SCAN_HOME: Code = HOME_KEY; break;
|
||
|
|
case SCAN_INSERT: Code = INS_KEY; break;
|
||
|
|
case SCAN_DELETE: Code = DEL_KEY; break;
|
||
|
|
// bugbug
|
||
|
|
case SCAN_PAGE_UP: Code = 0x4900; break;
|
||
|
|
// bugbug
|
||
|
|
case SCAN_PAGE_DOWN: Code = 0x5100; break;
|
||
|
|
case SCAN_F1: Code = F1_KEY; break;
|
||
|
|
case SCAN_F2: Code = F2_KEY; break;
|
||
|
|
case SCAN_F3: Code = F3_KEY; break;
|
||
|
|
// bugbug
|
||
|
|
case SCAN_F4: Code = 0x3e00; break;
|
||
|
|
case SCAN_F5: Code = F5_KEY; break;
|
||
|
|
case SCAN_F6: Code = F6_KEY; break;
|
||
|
|
case SCAN_F7: Code = F7_KEY; break;
|
||
|
|
case SCAN_F8: Code = F8_KEY; break;
|
||
|
|
// bugbug
|
||
|
|
case SCAN_F9: Code = 0x4300; break;
|
||
|
|
case SCAN_F10: Code = F10_KEY; break;
|
||
|
|
//bugbug different than 0x001d
|
||
|
|
case SCAN_ESC: Code = ESCAPE_KEY; break;
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Restore virtual mode before returning.
|
||
|
|
//
|
||
|
|
FlipToVirtual();
|
||
|
|
|
||
|
|
return Code;
|
||
|
|
}
|
||
|
|
|
||
|
|
ULONG Counter = 0;
|
||
|
|
|
||
|
|
ULONG
|
||
|
|
GetCounter(
|
||
|
|
)
|
||
|
|
{
|
||
|
|
EFI_TIME Time;
|
||
|
|
UINTN ms;
|
||
|
|
static UINTN BaseTick, LastMs;
|
||
|
|
|
||
|
|
//
|
||
|
|
// First go into physical mode since EFI calls can only be made in
|
||
|
|
// physical mode.
|
||
|
|
//
|
||
|
|
FlipToPhysical();
|
||
|
|
|
||
|
|
// NB. the NT loader only uses this to count seconds
|
||
|
|
// this function only works if called at least every hour
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get the current calendar time
|
||
|
|
//
|
||
|
|
|
||
|
|
EfiRS->GetTime (&Time, NULL);
|
||
|
|
|
||
|
|
// Compute a millisecond value for the time
|
||
|
|
ms = Time.Minute * 60 * 1000 + Time.Second * 1000 + Time.Nanosecond / 1000000;
|
||
|
|
if (ms < LastMs) {
|
||
|
|
BaseTick += 65520; // 60 * 60 * 18.2
|
||
|
|
}
|
||
|
|
|
||
|
|
LastMs = ms;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Restore virtual mode before returning.
|
||
|
|
//
|
||
|
|
FlipToVirtual();
|
||
|
|
|
||
|
|
return (ULONG) (( (ms * 182) / 10000) + BaseTick);
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Transfer control to a loaded boot sector
|
||
|
|
//
|
||
|
|
VOID
|
||
|
|
Reboot(
|
||
|
|
ULONG BootType
|
||
|
|
)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// First go into physical mode since EFI calls can only be made in
|
||
|
|
// physical mode.
|
||
|
|
//
|
||
|
|
FlipToPhysical();
|
||
|
|
|
||
|
|
EfiBS->Exit(EfiImageHandle, 0, 0, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
VOID
|
||
|
|
HardwareCursor(
|
||
|
|
ULONG YCoord,
|
||
|
|
ULONG XCoord
|
||
|
|
)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// NOTE!: Need to be implemented
|
||
|
|
//
|
||
|
|
}
|
||
|
|
|
||
|
|
VOID
|
||
|
|
GetDateTime(
|
||
|
|
PULONG Date,
|
||
|
|
PULONG Time
|
||
|
|
)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// NOTE!: Need to implement
|
||
|
|
//
|
||
|
|
}
|
||
|
|
|
||
|
|
VOID
|
||
|
|
DetectHardware(
|
||
|
|
ULONG HeapStart,
|
||
|
|
ULONG HeapSize,
|
||
|
|
ULONG ConfigurationTree,
|
||
|
|
ULONG HeapUsed,
|
||
|
|
ULONG OptionString,
|
||
|
|
ULONG OptionStringLength
|
||
|
|
)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// NOTE!: needed to remove
|
||
|
|
//
|
||
|
|
}
|
||
|
|
|
||
|
|
VOID
|
||
|
|
ComPort(
|
||
|
|
LONG Port,
|
||
|
|
ULONG Function,
|
||
|
|
UCHAR Arg
|
||
|
|
)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// NOTE!: needed to remove
|
||
|
|
//
|
||
|
|
}
|
||
|
|
|
||
|
|
ULONG
|
||
|
|
GetStallCount(
|
||
|
|
)
|
||
|
|
{
|
||
|
|
#if defined(VPC_PHASE2)
|
||
|
|
ULONGLONG Frequency;
|
||
|
|
|
||
|
|
//
|
||
|
|
// First go into physical mode since EFI calls can only be made in
|
||
|
|
// physical mode.
|
||
|
|
//
|
||
|
|
FlipToPhysical();
|
||
|
|
|
||
|
|
IA32RegisterState.esp = SAL_PROC_SP;
|
||
|
|
IA32RegisterState.ss = SAL_PROC_SS;
|
||
|
|
IA32RegisterState.eflags = SAL_PROC_EFLAGS;
|
||
|
|
|
||
|
|
SAL_PROC(SAL_FREQ_BASE,0,0,0,0,0,0,0,RetVals);
|
||
|
|
Frequency = RetVals->RetVal1;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Restore virtual mode before returning.
|
||
|
|
//
|
||
|
|
FlipToVirtual();
|
||
|
|
|
||
|
|
return ((ULONG) Frequency / 1000); // Convert ticks/sec to ticks/usec
|
||
|
|
#else
|
||
|
|
return ((ULONG) 1000000); // Convert ticks/sec to ticks/usec
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
VOID
|
||
|
|
InitializeDisplayForNt(
|
||
|
|
)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// NOTE!: Need to implement
|
||
|
|
//
|
||
|
|
}
|
||
|
|
|
||
|
|
VOID
|
||
|
|
GetMemoryDescriptor(
|
||
|
|
)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// NOTE!: need to remove
|
||
|
|
//
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOLEAN
|
||
|
|
GetElToritoStatus(
|
||
|
|
PUCHAR Buffer,
|
||
|
|
UCHAR DriveNum
|
||
|
|
)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// NOTE!: need to remove
|
||
|
|
//
|
||
|
|
return(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOLEAN
|
||
|
|
GetExtendedInt13Params(
|
||
|
|
PUCHAR Buffer,
|
||
|
|
UCHAR Drive
|
||
|
|
)
|
||
|
|
{
|
||
|
|
return(1);
|
||
|
|
}
|
||
|
|
|
||
|
|
USHORT
|
||
|
|
NetPcRomServices(
|
||
|
|
ULONG FunctionNumber,
|
||
|
|
PVOID CommandPacket
|
||
|
|
)
|
||
|
|
{
|
||
|
|
return (USHORT)0;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
ULONG
|
||
|
|
GetRedirectionData(
|
||
|
|
ULONG Command
|
||
|
|
)
|
||
|
|
/* ++
|
||
|
|
|
||
|
|
Routine Name:
|
||
|
|
|
||
|
|
BiosRedirectService
|
||
|
|
|
||
|
|
Description:
|
||
|
|
|
||
|
|
Get parameters of bios redirection.
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
Command - 1: Get Com Port Number
|
||
|
|
2: Get Baud Rate
|
||
|
|
3: Get Parity
|
||
|
|
4: Get Stop Bits
|
||
|
|
|
||
|
|
Returns:
|
||
|
|
|
||
|
|
Value, or -1 if an error.
|
||
|
|
|
||
|
|
--
|
||
|
|
*/
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// should never call this from EFI app.
|
||
|
|
//
|
||
|
|
ASSERT(FALSE);
|
||
|
|
return(-1);
|
||
|
|
}
|
||
|
|
|
||
|
|
VOID
|
||
|
|
APMAttemptReconect(
|
||
|
|
VOID
|
||
|
|
)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// should never call this from EFI app.
|
||
|
|
//
|
||
|
|
ASSERT(FALSE);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
VOID
|
||
|
|
SuFillExportTable(
|
||
|
|
)
|
||
|
|
{
|
||
|
|
ExportEntryTable[ExRebootProcessor] = (PVOID) &RebootProcessor;
|
||
|
|
ExportEntryTable[ExGetSector] = (PVOID) &GetSector;
|
||
|
|
ExportEntryTable[ExGetKey] = (PVOID) &GetKey;
|
||
|
|
ExportEntryTable[ExGetCounter] = (PVOID) &GetCounter;
|
||
|
|
ExportEntryTable[ExReboot] = (PVOID) &Reboot;
|
||
|
|
ExportEntryTable[ExDetectHardware] = (PVOID) &DetectHardware;
|
||
|
|
ExportEntryTable[ExHardwareCursor] = (PVOID) &HardwareCursor;
|
||
|
|
ExportEntryTable[ExGetDateTime] = (PVOID) &GetDateTime;
|
||
|
|
ExportEntryTable[ExComPort] = (PVOID) &ComPort;
|
||
|
|
ExportEntryTable[ExGetStallCount] = (PVOID) &GetStallCount;
|
||
|
|
ExportEntryTable[ExInitializeDisplayForNt] = (PVOID) &InitializeDisplayForNt;
|
||
|
|
ExportEntryTable[ExGetMemoryDescriptor] = (PVOID) &GetMemoryDescriptor;
|
||
|
|
ExportEntryTable[ExGetEddsSector] = (PVOID) &GetEddsSector;
|
||
|
|
ExportEntryTable[ExGetElToritoStatus] = (PVOID) &GetElToritoStatus;
|
||
|
|
ExportEntryTable[ExGetExtendedInt13Params] = (PVOID) &GetExtendedInt13Params;
|
||
|
|
ExportEntryTable[ExNetPcRomServices] = (PVOID) &NetPcRomServices;
|
||
|
|
ExportEntryTable[ExAPMAttemptReconnect] = (PVOID) &APMAttemptReconect;
|
||
|
|
ExportEntryTable[ExBiosRedirectService] = (PVOID) &GetRedirectionData;
|
||
|
|
}
|