1 /*++ 2 3 Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR> 4 This program and the accompanying materials 5 are licensed and made available under the terms and conditions of the BSD License 6 which accompanies this distribution. The full text of the license may be found at 7 http://opensource.org/licenses/bsd-license.php 8 9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 11 12 Module Name: 13 Debug.c 14 15 Abstract: 16 17 Revision History: 18 19 --*/ 20 #include "EfiLdr.h" 21 #include "Debug.h" 22 23 UINT8 *mCursor; 24 UINT8 mHeaderIndex = 10; 25 26 27 VOID 28 PrintHeader ( 29 CHAR8 Char 30 ) 31 { 32 *(UINT8 *)(UINTN)(0x000b8000 + mHeaderIndex) = Char; 33 mHeaderIndex += 2; 34 } 35 36 VOID 37 ClearScreen ( 38 VOID 39 ) 40 { 41 UINT32 Index; 42 43 mCursor = (UINT8 *)(UINTN)(0x000b8000 + 160); 44 for (Index = 0; Index < 80 * 49; Index++) { 45 *mCursor = ' '; 46 mCursor += 2; 47 } 48 mCursor = (UINT8 *)(UINTN)(0x000b8000 + 160); 49 } 50 51 VOID 52 PrintString ( 53 IN CONST CHAR8 *FormatString, 54 ... 55 ) 56 { 57 UINTN Index; 58 CHAR8 PrintBuffer[256]; 59 VA_LIST Marker; 60 61 VA_START (Marker, FormatString); 62 AsciiVSPrint (PrintBuffer, sizeof (PrintBuffer), FormatString, Marker); 63 VA_END (Marker); 64 65 for (Index = 0; PrintBuffer[Index] != 0; Index++) { 66 if (PrintBuffer[Index] == '\n') { 67 mCursor = (UINT8 *) (UINTN) (0xb8000 + (((((UINTN)mCursor - 0xb8000) + 160) / 160) * 160)); 68 } else { 69 *mCursor = (UINT8) PrintBuffer[Index]; 70 mCursor += 2; 71 } 72 } 73 74 // 75 // All information also output to serial port. 76 // 77 SerialPortWrite ((UINT8 *) PrintBuffer, Index); 78 } 79 80
