sravan/system76-edk2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add in the 1st version of ECP.

Browse Source 
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2832 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
qwang12
2007-06-28 07:00:39 +00:00
parent 30d4a0c7ec
commit 3eb9473ea9
1433 changed files with 266617 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

492
EdkCompatibilityPkg/Foundation/Library/Dxe/EfiUiLib/EfiUiLib.c Normal file
View File

@@ -0,0 +1,492 @@
/*++
Copyright (c) 2007, Intel Corporation
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:
EfiUiLib.c
Abstract:
Collection of usefull UI functions.
Revision History:
--*/
#include "EfiUiLib.h"
#define IS_DIGIT(Ch) (((Ch) >= L'0') && ((Ch) <= L'9'))
STATIC
EFI_STATUS
EfiStringToValue (
OUT UINT64 *Val,
IN CHAR16 *String,
OUT UINT8 *EndIdx OPTIONAL
)
/*++
Routine Description:
Parses and converts Unicode string to decimal value.
The returned value is 64-bit.
The string is expected in decimal format,
the string is parsed and format verified.
This function is missing from the libs. One day it maybe
replaced with a lib function when it'll become available.
Arguments:
Val - pointer to the variable to store the value to
String - string that contains the value to parse and convert
EndIdx - index on which the parsing stopped. It points to the
first character that was not part of the returned Val.
It's valid only if the function returns success.
It's optional and it could be NULL.
Returns:
EFI_SUCCESS - if successful
EFI_INVALID_PARAMETER - if String is in unexpected format
--*/
{
UINT8 i;
UINT64 TempVal;
TempVal = 0;
//
// Iterate upto 20 digits, only so many could fit in the UINT64
//
for (i = 0; i <= 20; i++) {
//
// test if the next character is not a digit
//
if (!IS_DIGIT (String[i])) {
//
// If here, there is no more digits,
// return with success if there was at least one to process
//
if (i == 0) {
break;
}
*Val = TempVal;
if (EndIdx != NULL) {
*EndIdx = i;
}
return EFI_SUCCESS;
}
//
// If here, there is a digit to process
//
TempVal = MultU64x32 (TempVal, 10) + String[i] - L'0';
}
//
// if here, there was some sort of format error
//
return EFI_INVALID_PARAMETER;
}
CHAR16 *
StrHzToString (
OUT CHAR16 *String,
IN UINT64 Val
)
/*++
Routine Description:
Converts frequency in Hz to Unicode string.
Three significant digits are delivered.
Used for things like processor info display.
Arguments:
String - string that will contain the frequency.
Val - value to convert, minimum is 100000 i.e., 0.1 MHz.
--*/
// GC_TODO: function comment is missing 'Returns:'
{
CHAR16 HlpStr[8];
UINT32 i;
UINT32 IdxPoint;
UINT32 IdxUnits;
static CHAR16 *FreqUnits[] = { L" Hz", L" kHz", L" MHz", L" GHz", L" THz", L" PHz" };
//
// Normalize to 9999 or less.
//
i = 0;
while (Val >= 10000) {
Val = DivU64x32 (Val, 10, NULL);
i++;
}
//
// Make it rounded to the nearest, but only by
// a .3. This assures that .6 is not rounded.
//
if (Val >= 1000) {
Val += 3;
Val = DivU64x32 (Val, 10, NULL);
i++;
}
EfiValueToString (String, Val, 0, 0);
//
// Get rid of that cursed number!
//
if (!EfiStrCmp (&String[1], L"66")) {
String[2] = L'7';
}
//
// Compute index to the units substrings.
//
IdxUnits = (i + 2) / 3;
if (IdxUnits >= (sizeof (FreqUnits) / sizeof (FreqUnits)[0])) {
//
// Frequency is too high.
//
EfiStrCpy (String, L"OVERFLOW");
return String;
}
//
// Compute the position of the decimal point.
//
IdxPoint = i % 3;
//
// Test if decimal point needs to be inserted.
//
if (IdxPoint != 0) {
//
// Save the part after decimal point.
//
EfiStrCpy (HlpStr, &String[IdxPoint]);
//
// Insert the point.
//
String[IdxPoint] = L'.';
//
// Reattach the saved part.
//
EfiStrCpy (&String[IdxPoint + 1], HlpStr);
//
// Clear the insignificant zero.
//
if (String[3] == L'0') {
String[4 - IdxPoint] = L'\0';
}
}
//
// Attach units.
//
EfiStrCat (String, FreqUnits[IdxUnits]);
return String;
}
CHAR16 *
StrBytesToString (
OUT CHAR16 *String,
IN UINT64 Val
)
/*++
Routine Description:
Converts size in bytes to Unicode string.
Used for memory/cache size display.
Arguments:
String - string that will contain the value
Val - value to convert in bytes
--*/
// GC_TODO: function comment is missing 'Returns:'
{
UINTN i;
UINTN Rem;
static CHAR16 *SizeUnits[] = { L" B", L" kB", L" MB", L" GB", L" TB", L" PB" };
for (i = 0; i < (sizeof (SizeUnits) / sizeof (SizeUnits)[0]); i++) {
DivU64x32 (Val, 1024, &Rem);
//
// Done if:
// 1. less than 1k
// 2. less than 8k and there are fractions of 1k
//
if ((Val < 1024) || ((Val < 8192) && (Rem != 0))) {
EfiValueToString (String, Val, 0, 0);
//
// attach units
//
EfiStrCat (String, SizeUnits[i]);
return String;
}
//
// prescale down by 1k with rounding to the nearest
//
Val = DivU64x32 (Val + 511, 1024, NULL);
}
EfiStrCpy (String, L"OVERFLOW");
return String;
}
CHAR16 *
StrVersionToString (
OUT CHAR16 *String,
IN UINT8 Version
)
/*++
Routine Description:
Converts 8 bit version value to Unicode string.
The upper nibble contains the upper part, the lower nibble contains the minor part.
The output format is <major>.<minor>.
Arguments:
String - string that will contain the value
Version - value to convert
--*/
// GC_TODO: function comment is missing 'Returns:'
{
CHAR16 HlpStr[4];
EfiValueToString (String, 0x0F & Version, 0, 0);
EfiStrCat (String, L".");
EfiValueToString (HlpStr, 0x0F & (Version >> 4), 0, 0);
EfiStrCat (String, HlpStr);
return String;
}
CHAR16 *
StrMacToString (
OUT CHAR16 *String,
IN EFI_MAC_ADDRESS *MacAddr,
IN UINT32 AddrSize
)
/*++
Routine Description:
Converts MAC address to Unicode string.
The value is 64-bit and the resulting string will be 12
digit hex number in pairs of digits separated by dashes.
Arguments:
String - string that will contain the value
Val - value to convert
--*/
// GC_TODO: function comment is missing 'Returns:'
// GC_TODO: MacAddr - add argument and description to function comment
// GC_TODO: AddrSize - add argument and description to function comment
{
UINT32 i;
for (i = 0; i < AddrSize; i++) {
EfiValueToHexStr (
&String[2 * i],
MacAddr->Addr[i] & 0xFF,
PREFIX_ZERO,
2
);
}
//
// Terminate the string.
//
String[2 * AddrSize] = L'\0';
return String;
}
CHAR16 *
StrIp4AdrToString (
OUT CHAR16 *String,
IN EFI_IPv4_ADDRESS *Ip4Addr
)
/*++
Routine Description:
Converts IP v4 address to Unicode string.
The value is 64-bit and the resulting string will
be four decimal values 0-255 separated by dots.
Arguments:
String - string that will contain the value
Ip4Addr - value to convert from
--*/
// GC_TODO: function comment is missing 'Returns:'
{
INT32 i;
CHAR16 HlpStr[4];
String[0] = L'\0';
for (i = 0; i < 4; i++) {
EfiValueToString (HlpStr, Ip4Addr->Addr[i], 0, 0);
EfiStrCat (String, HlpStr);
if (i < 3) {
EfiStrCat (String, L".");
}
}
return String;
}
EFI_STATUS
StrStringToIp4Adr (
OUT EFI_IPv4_ADDRESS *Ip4Addr,
IN CHAR16 *String
)
/*++
Routine Description:
Parses and converts Unicode string to IP v4 address.
The value will 64-bit.
The string must be four decimal values 0-255 separated by dots.
The string is parsed and format verified.
Arguments:
Ip4Addr - pointer to the variable to store the value to
String - string that contains the value to parse and convert
Returns:
EFI_SUCCESS - if successful
EFI_INVALID_PARAMETER - if String contains invalid IP v4 format
--*/
{
EFI_STATUS Status;
EFI_IPv4_ADDRESS RetVal;
UINT64 TempVal;
UINT8 Idx;
UINT8 i;
//
// Iterate the decimal values separated by dots
//
for (i = 0; i < 4; i++) {
//
// get the value of a decimal
//
Status = EfiStringToValue (&TempVal, String, &Idx);
if ((EFI_ERROR (Status)) || (TempVal > 255)) {
break;
}
RetVal.Addr[i] = (UINT8) TempVal;
String += Idx;
//
// test if it is the last decimal value
//
if (i == 3) {
if (String[0] != L'\0') {
//
// the string must end with string termination character
//
break;
}
*Ip4Addr = RetVal;
return EFI_SUCCESS;
}
//
// Test for presence of a dot, it is required between the values
//
if (String++[0] != L'.') {
break;
}
}
return EFI_INVALID_PARAMETER;
}
CHAR16 *
Ascii2Unicode (
OUT CHAR16 *UnicodeStr,
IN CHAR8 *AsciiStr
)
/*++
Routine Description:
Converts ASCII characters to Unicode.
Arguments:
UnicodeStr - the Unicode string to be written to. The buffer must be large enough.
AsciiStr - The ASCII string to be converted.
Returns:
The address to the Unicode string - same as UnicodeStr.
--*/
{
CHAR16 *Str;
Str = UnicodeStr;
while (TRUE) {
*(UnicodeStr++) = (CHAR16) *AsciiStr;
if (*(AsciiStr++) == '\0') {
return Str;
}
}
}
CHAR8 *
Unicode2Ascii (
OUT CHAR8 *AsciiStr,
IN CHAR16 *UnicodeStr
)
/*++
Routine Description:
Converts ASCII characters to Unicode.
Assumes that the Unicode characters are only these defined in the ASCII set.
Arguments:
AsciiStr - The ASCII string to be written to. The buffer must be large enough.
UnicodeStr - the Unicode string to be converted.
Returns:
The address to the ASCII string - same as AsciiStr.
--*/
{
CHAR8 *Str;
Str = AsciiStr;
while (TRUE) {
*AsciiStr = (CHAR8) *(UnicodeStr++);
if (*(AsciiStr++) == '\0') {
return Str;
}
}
}