void
AcpiUtConvertStringToUuid (
const char *InString,
UINT8 *UuidBuffer)
{
UINT32 i;
for (i = 0; i < UUID_BUFFER_LENGTH; i++)
{
UuidBuffer[i] =
(AcpiUtAsciiCharToHex (InString[AcpiGbl_MapToUuidOffset[i]]) << 4);
UuidBuffer[i] |=
AcpiUtAsciiCharToHex (InString[AcpiGbl_MapToUuidOffset[i] + 1]);
}
}
ACPI_STATUS
AcpiUtAsciiToHexByte (
char *TwoAsciiChars,
UINT8 *ReturnByte)
{
/* Both ASCII characters must be valid hex digits */
if (!isxdigit ((int) TwoAsciiChars[0]) ||
!isxdigit ((int) TwoAsciiChars[1]))
{
return (AE_BAD_HEX_CONSTANT);
}
*ReturnByte =
AcpiUtAsciiCharToHex (TwoAsciiChars[1]) |
(AcpiUtAsciiCharToHex (TwoAsciiChars[0]) << 4);
return (AE_OK);
}
static UINT64
AcpiUtStrtoulBase16 (
char *String,
UINT32 Flags)
{
int AsciiDigit;
UINT32 ValidDigits = 1;
UINT64 ReturnValue = 0;
/* Main loop: convert each ASCII byte in the input string */
while (*String)
{
/* Check for overflow (32 or 64 bit) - return current converted value */
if ((ValidDigits > 16) ||
((ValidDigits > 8) && (Flags & ACPI_STRTOUL_32BIT)))
{
goto Exit;
}
AsciiDigit = *String;
if (!isxdigit (AsciiDigit))
{
/* Not Hex ASCII A-F, a-f, or 0-9, terminate */
goto Exit;
}
/* Convert and insert the hex digit */
ReturnValue =
(ReturnValue << 4) | AcpiUtAsciiCharToHex (AsciiDigit);
String++;
ValidDigits++;
}
Exit:
return (ReturnValue);
}
static void
OpcDoEisaId (
ACPI_PARSE_OBJECT *Op)
{
UINT32 EisaId = 0;
UINT32 BigEndianId;
char *InString;
ACPI_STATUS Status = AE_OK;
UINT32 i;
InString = (char *) Op->Asl.Value.String;
/*
* The EISAID string must be exactly 7 characters and of the form
* "UUUXXXX" -- 3 uppercase letters and 4 hex digits (e.g., "PNP0001")
*/
if (ACPI_STRLEN (InString) != 7)
{
Status = AE_BAD_PARAMETER;
}
else
{
/* Check all 7 characters for correct format */
for (i = 0; i < 7; i++)
{
/* First 3 characters must be uppercase letters */
if (i < 3)
{
if (!isupper ((int) InString[i]))
{
Status = AE_BAD_PARAMETER;
}
}
/* Last 4 characters must be hex digits */
else if (!isxdigit ((int) InString[i]))
{
Status = AE_BAD_PARAMETER;
}
}
}
if (ACPI_FAILURE (Status))
{
AslError (ASL_ERROR, ASL_MSG_INVALID_EISAID, Op, Op->Asl.Value.String);
}
else
{
/* Create ID big-endian first (bits are contiguous) */
BigEndianId =
(UINT32) ((UINT8) (InString[0] - 0x40)) << 26 |
(UINT32) ((UINT8) (InString[1] - 0x40)) << 21 |
(UINT32) ((UINT8) (InString[2] - 0x40)) << 16 |
(AcpiUtAsciiCharToHex (InString[3])) << 12 |
(AcpiUtAsciiCharToHex (InString[4])) << 8 |
(AcpiUtAsciiCharToHex (InString[5])) << 4 |
AcpiUtAsciiCharToHex (InString[6]);
/* Swap to little-endian to get final ID (see function header) */
EisaId = AcpiUtDwordByteSwap (BigEndianId);
}
/*
* Morph the Op into an integer, regardless of whether there
* was an error in the EISAID string
*/
Op->Asl.Value.Integer = EisaId;
Op->Asl.CompileFlags &= ~NODE_COMPILE_TIME_CONST;
Op->Asl.ParseOpcode = PARSEOP_INTEGER;
(void) OpcSetOptimalIntegerSize (Op);
/* Op is now an integer */
UtSetParseOpName (Op);
}
