CloverBootloader/rEFIt_UEFI/Platform/Utils.cpp
jief666 48cdadb0b2 Fix bug where StartLoader cannot find kexts.
First implementation of Self object.
2020-09-28 18:57:50 +03:00

149 lines
3.3 KiB
C++

///*++
//
//All rights reserved. This program and the accompanying materials
//are licensed and made available under the terms and conditions of the BSD License
//which accompanies this distribution. The full text of the license may be found at
//http://opensource.org/licenses/bsd-license.php
//
//THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
//WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
//
//Module Name:
//
// IO.c
//
//Abstract:
//
// the IO library function
//
//Revision History
//
//--*/
//
#include <Platform.h> // Only use angled for Platform, else, xcode project won't compile
//
//VOID LowCase (IN OUT CHAR8 *Str)
//{
// while (*Str) {
// if (IS_UPPER(*Str)) {
// *Str |= 0x20;
// }
// Str++;
// }
//}
UINT8 hexstrtouint8 (const CHAR8* buf)
{
INT8 i = 0;
if (IS_DIGIT(buf[0]))
i = buf[0]-'0';
else if (IS_HEX(buf[0]))
i = (buf[0] | 0x20) - 'a' + 10;
if (AsciiStrLen(buf) == 1) {
return i;
}
i <<= 4;
if (IS_DIGIT(buf[1]))
i += buf[1]-'0';
else if (IS_HEX(buf[1]))
i += (buf[1] | 0x20) - 'a' + 10;
return i;
}
BOOLEAN IsHexDigit (CHAR8 c) {
return (IS_DIGIT(c) || (IS_HEX(c)))?TRUE:FALSE;
}
//out value is a number of byte. out = len
UINT32 hex2bin(IN const CHAR8 *hex, OUT UINT8 *bin, UINT32 len) //assume len = number of UINT8 values
{
CHAR8 *p;
UINT32 i, outlen = 0;
CHAR8 buf[3];
if (hex == NULL || bin == NULL || len <= 0 || AsciiStrLen(hex) < len * 2) {
// DBG("[ERROR] bin2hex input error\n"); //this is not error, this is empty value
return FALSE;
}
buf[2] = '\0';
p = (CHAR8 *) hex;
for (i = 0; i < len; i++)
{
while ((*p == 0x20) || (*p == ',')) {
p++; //skip spaces and commas
}
if (*p == 0) {
break;
}
if (!IsHexDigit(p[0]) || !IsHexDigit(p[1])) {
MsgLog("[ERROR] bin2hex '%s' syntax error\n", hex);
return 0;
}
buf[0] = *p++;
buf[1] = *p++;
bin[i] = hexstrtouint8(buf);
outlen++;
}
//bin[outlen] = 0;
return outlen;
}
XString8 Bytes2HexStr(UINT8 *data, UINTN len)
{
UINTN i, j, b = 0;
XString8 result;
result.dataSized(len*2+1);
for (i = j = 0; i < len; i++) {
b = data[i] >> 4;
result += (CHAR8) (87 + b + (((b - 10) >> 31) & -39));
b = data[i] & 0xf;
result += (CHAR8) (87 + b + (((b - 10) >> 31) & -39));
}
return result;
}
BOOLEAN haveError = FALSE;
BOOLEAN CheckFatalError(IN EFI_STATUS Status, IN CONST CHAR16 *where)
{
// CHAR16 ErrorName[64];
if (!EFI_ERROR(Status))
return FALSE;
// StatusToString(ErrorName, Status);
gST->ConOut->SetAttribute (gST->ConOut, EFI_RED | EFI_BACKGROUND_BLACK);
printf("Fatal Error: %s %ls\n", efiStrError(Status), where);
gST->ConOut->SetAttribute (gST->ConOut, EFI_LIGHTGRAY | EFI_BACKGROUND_BLACK);
haveError = TRUE;
//gBS->Exit(ImageHandle, ExitStatus, ExitDataSize, ExitData);
return TRUE;
}
BOOLEAN CheckError(IN EFI_STATUS Status, IN CONST CHAR16 *where)
{
// CHAR16 ErrorName[64];
if (!EFI_ERROR(Status))
return FALSE;
// StatusToString(ErrorName, Status);
gST->ConOut->SetAttribute (gST->ConOut, EFI_RED | EFI_BACKGROUND_BLACK);
printf("Error: %s %ls\n", efiStrError(Status), where);
gST->ConOut->SetAttribute (gST->ConOut, EFI_LIGHTGRAY | EFI_BACKGROUND_BLACK);
haveError = TRUE;
return TRUE;
}