150 lines
3.1 KiB
C
150 lines
3.1 KiB
C
/*++
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Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name:
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Debug.c
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Abstract:
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Revision History:
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--*/
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#include "EfiLdr.h"
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#include "Debug.h"
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UINT8 *mCursor = (UINT8 *)(UINTN)(0x000b8000 + 160);
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UINT8 mHeaderIndex = 10;
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VOID
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PrintHeader (
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CHAR8 Char
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)
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{
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*(UINT8 *)(UINTN)(0x000b8000 + mHeaderIndex) = Char;
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mHeaderIndex += 2;
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}
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VOID
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ClearScreen (
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VOID
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)
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{
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UINT32 Index;
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mCursor = (UINT8 *)(UINTN)(0x000b8000 + 160);
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for (Index = 0; Index < 80 * 24; Index++) {
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*mCursor = ' ';
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mCursor += 2;
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}
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mCursor = (UINT8 *)(UINTN)(0x000b8000 + 160);
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/*
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mCursor = (UINT8 *)(UINTN)(0xE0000000);
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for (Index = 0; Index < 0x1000000; Index++) {
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*mCursor = Index & 0xFF;
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mCursor += 2;
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}*/
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}
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VOID
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PrintU32Base10 (
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UINT32 Value
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)
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{
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UINT32 Index;
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CHAR8 Char;
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CHAR8 String[11];
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UINTN StringPos;
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UINT32 B10Div;
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B10Div = 1000000000;
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for (Index = 0, StringPos = 0; Index < 10; Index++) {
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Char = (UINT8) (((Value / B10Div) % 10) + '0');
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if ((StringPos > 0) || (Char != '0')) {
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String[StringPos] = Char;
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StringPos++;
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}
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B10Div = B10Div / 10;
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}
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if (StringPos == 0) {
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String[0] = '0';
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StringPos++;
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}
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String[StringPos] = '\0';
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PrintString (String);
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}
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VOID
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PrintValue (
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UINT32 Value
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)
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{
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UINT32 Index;
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CHAR8 Char;
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CHAR8 String[9];
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for (Index = 0; Index < 8; Index++) {
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Char = (UINT8)(((Value >> ((7 - Index) * 4)) & 0x0f) + '0');
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if (Char > '9') {
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Char = (UINT8) (Char - '0' - 10 + 'A');
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}
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String[Index] = Char;
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}
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String[sizeof (String) - 1] = '\0';
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PrintString (String);
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}
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VOID
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PrintValue64 (
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UINT64 Value
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)
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{
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PrintValue ((UINT32) RShiftU64 (Value, 32));
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PrintValue ((UINT32) Value);
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}
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VOID
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EFIAPI
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PrintString (
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IN CONST CHAR8 *FormatString,
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...
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)
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{
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UINTN Index;
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CHAR8 PrintBuffer[1000];
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VA_LIST Marker;
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VA_START (Marker, FormatString);
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AsciiVSPrint (PrintBuffer, sizeof (PrintBuffer), FormatString, Marker);
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VA_END (Marker);
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for (Index = 0; PrintBuffer[Index] != 0; Index++) {
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if (PrintBuffer[Index] == '\n') {
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mCursor = (UINT8 *) (UINTN) (0xb8000 + (((((UINTN)mCursor - 0xb8000) + 160) / 160) * 160));
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} else {
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*mCursor = (UINT8) PrintBuffer[Index];
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mCursor += 2;
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}
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}
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//
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// All information also output to serial port.
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//
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// SerialPortWrite ((UINT8 *) PrintBuffer, Index);
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}
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