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CloverBootloader/rEFIt_UEFI/refit/IO.c

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/*++
Copyright (c) 2005 - 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:
IO.c
Abstract:
the IO library function
Revision History
--*/
//#include "EfiShellLib.h"
#include "Platform.h"
#define PRINT_STRING_LEN 1024
#define PRINT_ITEM_BUFFER_LEN 100
#define PRINT_JOINT_BUFFER_LEN 4
typedef struct {
BOOLEAN Ascii;
UINTN Index;
union {
CONST CHAR16 *pw;
CHAR8 *pc;
} u;
} POINTER;
typedef struct _pitem {
POINTER Item;
CHAR16 *Scratch;
UINTN Width;
UINTN FieldWidth;
UINTN *WidthParse;
CHAR16 Pad;
BOOLEAN PadBefore;
BOOLEAN Comma;
BOOLEAN Long;
} PRINT_ITEM;
typedef struct _pstate {
//
// Input
//
POINTER fmt;
VA_LIST args;
//
// Output
//
CHAR16 *Buffer;
CHAR16 *End;
CHAR16 *Pos;
UINTN Len;
UINTN Attr;
UINTN RestoreAttr;
UINTN AttrNorm;
UINTN AttrHighlight;
UINTN AttrError;
UINTN AttrBlueColor;
UINTN AttrGreenColor;
EFI_STATUS (EFIAPI *Output) (VOID *context, CHAR16 *str);
EFI_STATUS (EFIAPI *SetAttr) (VOID *context, UINTN attr);
VOID *Context;
//
// Current item being formatted
//
struct _pitem *Item;
} PRINT_STATE;
typedef struct {
BOOLEAN PageBreak;
BOOLEAN AutoWrap;
INTN MaxRow;
INTN MaxColumn;
INTN InitRow;
INTN Row;
INTN Column;
BOOLEAN OmitPrint;
BOOLEAN OutputPause;
} PRINT_MODE;
PRINT_MODE mPrintMode;
//
// Internal fucntions
//
UINTN
_PPrint (
IN PRINT_STATE *ps
);
EFI_STATUS
EFIAPI
_SPrint (
IN VOID *Context,
IN CHAR16 *Buffer
);
UINTN
EFIAPI
_IPrint (
IN UINTN Column,
IN UINTN Row,
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *Out,
IN CHAR16 *fmt,
IN CHAR8 *fmta,
IN VA_LIST args
);
VOID
EFIAPI
_PoolCatPrint (
IN CONST CHAR16 *fmt,
IN VA_LIST args,
IN OUT POOL_PRINT *spc,
IN EFI_STATUS
(EFIAPI
*Output)
(
VOID *context,
CHAR16 *str
)
);
EFI_STATUS
EFIAPI
_PoolPrint (
IN VOID *Context,
IN CHAR16 *Buffer
);
VOID
PFLUSH (
IN OUT PRINT_STATE *ps
);
VOID
IFlushWithPageBreak (
IN OUT PRINT_STATE *ps
);
VOID
PPUTC (
IN OUT PRINT_STATE *ps,
IN CHAR16 c
);
CHAR16
PGETC (
IN POINTER *p
);
VOID
PITEM (
IN OUT PRINT_STATE *ps
);
VOID
PSETATTR (
IN OUT PRINT_STATE *ps,
IN UINTN Attr
);
VOID
SetOutputPause (
IN BOOLEAN Pause
);
VOID
SetCursorPosition (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *ConOut,
IN UINTN Column,
IN INTN Row,
IN UINTN LineLength,
IN UINTN TotalRow,
IN CHAR16 *Str,
IN UINTN StrPos,
IN UINTN Len
);
EFI_STATUS
EFIAPI
_DbgOut (
IN VOID *Context,
IN CHAR16 *Buffer
);
EFI_STATUS
EFIAPI
_SPrint (
IN VOID *Context,
IN CHAR16 *Buffer
)
/*++
Routine Description:
Print function
Arguments:
Context - The Context
Buffer - The Buffer
Returns:
--*/
{
INTN len;
POOL_PRINT *spc;
// ASSERT (Context != NULL);
// ASSERT (Buffer != NULL);
if (!Context || !Buffer) {
return EFI_SUCCESS;
}
spc = Context;
len = StrLen (Buffer);
//
// Is the string is over the max truncate it
//
if (spc->Len + len > spc->Maxlen) {
len = spc->Maxlen - spc->Len;
}
//
// Append the new text
//
CopyMem (spc->Str + spc->Len, Buffer, len * sizeof (CHAR16));
spc->Len += len;
//
// Null terminate it
//
if (spc->Len < spc->Maxlen) {
spc->Str[spc->Len] = 0;
} else if (spc->Maxlen) {
spc->Str[spc->Maxlen] = 0;
}
return EFI_SUCCESS;
}
VOID
EFIAPI
_PoolCatPrint (
IN CONST CHAR16 *fmt,
IN VA_LIST args,
IN OUT POOL_PRINT *spc,
IN EFI_STATUS
(EFIAPI
*Output)
(
VOID *context,
CHAR16 *str
)
)
/*++'
Routine Description:
Pool print
Arguments:
fmt - fmt
args - args
spc - spc
Output - Output
Returns:
--*/
{
PRINT_STATE ps;
SetMem (&ps, sizeof (ps), 0);
ps.Output = Output;
ps.Context = spc;
ps.fmt.u.pw = fmt;
//ps.args = args;
VA_COPY(ps.args, args);
_PPrint (&ps);
VA_END(ps.args);
}
CHAR16 *
EFIAPI
PoolPrint (
IN CONST CHAR16 *fmt,
...
)
/*++
Routine Description:
Prints a formatted unicode string to allocated pool. The caller
must free the resulting buffer.
Arguments:
fmt - The format string
Returns:
Allocated buffer with the formatted string printed in it.
The caller must free the allocated buffer. The buffer
allocation is not packed.
--*/
{
POOL_PRINT spc;
VA_LIST args;
ZeroMem (&spc, sizeof (spc));
VA_START (args, fmt);
_PoolCatPrint (fmt, args, &spc, _PoolPrint);
VA_END(args);
return spc.Str;
}
UINTN
EFIAPI
PrintAt (
IN UINTN Column,
IN UINTN Row,
IN CHAR16 *fmt,
...
)
/*++
Routine Description:
Prints a formatted unicode string to the default console, at
the supplied cursor position
Arguments:
fmt - Format string
Column, Row - The cursor position to print the string at
Returns:
Length of string printed to the console
--*/
{
VA_LIST args;
UINTN ret;
VA_START (args, fmt);
ret = _IPrint (Column, Row, gST->ConOut, fmt, NULL, args);
VA_END(args);
return ret;
}
UINTN
EFIAPI
_IPrint (
IN UINTN Column,
IN UINTN Row,
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *Out,
IN CHAR16 *fmt,
IN CHAR8 *fmta,
IN VA_LIST args
)
/*++
Routine Description:
Display string worker for: Print, PrintAt, IPrint, IPrintAt
Arguments:
Column - Column
Row - Row
Out - Out
fmt - fmt
fmta - fmta
args - args
Returns:
--*/
{
PRINT_STATE ps;
UINTN back;
// ASSERT (NULL != Out);
if (!Out) {
return 0;
}
SetMem (&ps, sizeof (ps), 0);
ps.Context = Out;
ps.Output = (EFI_STATUS (EFIAPI *) (VOID *, CHAR16 *)) Out->OutputString;
ps.SetAttr = (EFI_STATUS (EFIAPI *) (VOID *, UINTN)) Out->SetAttribute;
// ASSERT (NULL != Out->Mode);
if (!Out->Mode) {
return 0;
}
ps.Attr = Out->Mode->Attribute;
back = (ps.Attr >> 4) & 0xF;
ps.AttrNorm = EFI_TEXT_ATTR (((~back) & 0x07), back);
ps.AttrHighlight = EFI_TEXT_ATTR (EFI_WHITE, back);
ps.AttrError = EFI_TEXT_ATTR (EFI_YELLOW, back);
ps.AttrBlueColor = EFI_TEXT_ATTR (EFI_LIGHTBLUE, back);
ps.AttrGreenColor = EFI_TEXT_ATTR (EFI_LIGHTGREEN, back);
if (fmt) {
ps.fmt.u.pw = fmt;
} else {
ps.fmt.Ascii = TRUE;
ps.fmt.u.pc = fmta;
}
//ps.args = args;
VA_COPY(ps.args, args);
if (Column != (UINTN) -1) {
Out->SetCursorPosition (Out, Column, Row);
}
back = _PPrint (&ps);
VA_END(ps.args);
return back;
}
UINTN
EFIAPI
IPrint (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *Out,
IN CHAR16 *fmt,
...
)
/*++
Routine Description:
Prints a formatted unicode string to the specified console
Arguments:
Out - The console to print the string too
fmt - Format string
Returns:
Length of string printed to the console
--*/
{
VA_LIST args;
UINTN ret;
VA_START (args, fmt);
ret = _IPrint ((UINTN) -1, (UINTN) -1, Out, fmt, NULL, args);
VA_END(args);
return ret;
}
UINTN
EFIAPI
IPrintAt (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *Out,
IN UINTN Column,
IN UINTN Row,
IN CHAR16 *fmt,
...
)
/*++
Routine Description:
Prints a formatted unicode string to the specified console, at
the supplied cursor position
Arguments:
Out - The console to print the string too
Column, Row - The cursor position to print the string at
fmt - Format string
Returns:
Length of string printed to the console
--*/
{
VA_LIST args;
UINTN ret;
VA_START (args, fmt);
ret = _IPrint (Column, Row, gST->ConOut, fmt, NULL, args);
VA_END(args);
return ret;
}
VOID
PFLUSH (
IN OUT PRINT_STATE *ps
)
{
EFI_INPUT_KEY Key;
EFI_STATUS Status;
*ps->Pos = 0;
if (((UINTN) ps->Context == (UINTN) gST->ConOut) && mPrintMode.PageBreak) {
IFlushWithPageBreak (ps);
} else {
if (mPrintMode.OutputPause) {
Status = EFI_NOT_READY;
while (EFI_ERROR (Status)) {
Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);
}
SetOutputPause (FALSE);
}
ps->Output (ps->Context, ps->Buffer);
}
CopyMem (
((CHAR8 *) (ps->Buffer)) - PRINT_JOINT_BUFFER_LEN,
((CHAR8 *) (ps->Pos)) - PRINT_JOINT_BUFFER_LEN,
PRINT_JOINT_BUFFER_LEN
);
ps->Pos = ps->Buffer;
}
void
PSETATTR (
IN OUT PRINT_STATE *ps,
IN UINTN Attr
)
{
// ASSERT (ps != NULL);
if (!ps) {
return;
}
PFLUSH (ps);
ps->RestoreAttr = ps->Attr;
if (ps->SetAttr) {
ps->SetAttr (ps->Context, Attr);
}
ps->Attr = Attr;
}
void
PPUTC (
IN OUT PRINT_STATE *ps,
IN CHAR16 c
)
{
// ASSERT (ps != NULL);
if (!ps) {
return;
}
//
// If Omit print to ConOut, then return.
//
if (mPrintMode.OmitPrint && ((UINTN) ps->Context == (UINTN) gST->ConOut)) {
return ;
}
//
// if this is a newline and carriage return does not exist,
// add a carriage return
//
if (c == '\n' && ps->Pos >= ps->Buffer && (CHAR16) *(ps->Pos - 1) != '\r') {
PPUTC (ps, '\r');
}
*ps->Pos = c;
ps->Pos += 1;
ps->Len += 1;
//
// if at the end of the buffer, flush it
//
if (ps->Pos >= ps->End) {
PFLUSH (ps);
}
}
CHAR16
PGETC (
IN POINTER *p
)
{
CHAR16 c;
ASSERT (p != NULL);
if (!p) {
return 0;
}
c = (CHAR16) (p->Ascii ? p->u.pc[p->Index] : p->u.pw[p->Index]);
p->Index += 1;
return c;
}
void
PITEM (
IN OUT PRINT_STATE *ps
)
{
UINTN Len;
UINTN i;
PRINT_ITEM *Item;
CHAR16 c;
// ASSERT (ps != NULL);
if (!ps) {
return;
}
//
// Get the length of the item
//
Item = ps->Item;
Item->Item.Index = 0;
while (Item->Item.Index < Item->FieldWidth) {
c = PGETC (&Item->Item);
if (!c) {
Item->Item.Index -= 1;
break;
}
}
Len = Item->Item.Index;
//
// if there is no item field width, use the items width
//
if (Item->FieldWidth == (UINTN) -1) {
Item->FieldWidth = Len;
}
//
// if item is larger then width, update width
//
if (Len > Item->Width) {
Item->Width = Len;
}
//
// if pad field before, add pad char
//
if (Item->PadBefore) {
for (i = Item->Width; i < Item->FieldWidth; i += 1) {
PPUTC (ps, ' ');
}
}
//
// pad item
//
for (i = Len; i < Item->Width; i++) {
PPUTC (ps, Item->Pad);
}
//
// add the item
//
Item->Item.Index = 0;
while (Item->Item.Index < Len) {
PPUTC (ps, PGETC (&Item->Item));
}
//
// If pad at the end, add pad char
//
if (!Item->PadBefore) {
for (i = Item->Width; i < Item->FieldWidth; i += 1) {
PPUTC (ps, ' ');
}
}
}
UINTN
_PPrint (
IN PRINT_STATE *ps
)
/*++
Routine Description:
%w.lF - w = width
l = field width
F = format of arg
Args F:
0 - pad with zeros
- - justify on left (default is on right)
, - add comma's to field
* - width provided on stack
n - Set output attribute to normal (for this field only)
h - Set output attribute to highlight (for this field only)
e - Set output attribute to error (for this field only)
b - Set output attribute to blue color (for this field only)
v - Set output attribute to green color (for this field only)
l - Value is 64 bits
a - ascii string
s - unicode string
X - fixed 8 byte value in hex
x - hex value
d - value as decimal
c - Unicode char
t - EFI time structure
g - Pointer to GUID
r - EFI status code (result code)
N - Set output attribute to normal
H - Set output attribute to highlight
E - Set output attribute to error
B - Set output attribute to blue color
V - Set output attribute to green color
% - Print a %
Arguments:
ps - Ps
Returns:
Number of charactors written
--*/
{
CHAR16 c;
UINTN Attr;
PRINT_ITEM Item;
CHAR16 *Buffer;
// EFI_GUID *TmpGUID;
// ASSERT (ps != NULL);
if (!ps) {
return 0;
}
//
// If Omit print to ConOut, then return 0.
//
if (mPrintMode.OmitPrint && ((UINTN) ps->Context == (UINTN) gST->ConOut)) {
return 0;
}
Item.Scratch = (__typeof__(Item.Scratch))AllocateZeroPool (sizeof (CHAR16) * PRINT_ITEM_BUFFER_LEN);
if (NULL == Item.Scratch) {
return EFI_OUT_OF_RESOURCES;
}
Buffer = (__typeof__(Buffer))AllocateZeroPool (sizeof (CHAR16) * PRINT_STRING_LEN);
if (NULL == Buffer) {
FreePool (Item.Scratch);
return EFI_OUT_OF_RESOURCES;
}
ps->Len = 0;
ps->Buffer = (CHAR16 *) ((CHAR8 *) Buffer + PRINT_JOINT_BUFFER_LEN);
ps->Pos = ps->Buffer;
ps->End = Buffer + PRINT_STRING_LEN - 1;
ps->Item = &Item;
ps->fmt.Index = 0;
c = PGETC (&ps->fmt);
while (c) {
if (c != '%') {
PPUTC (ps, c);
c = PGETC (&ps->fmt);
continue;
}
//
// setup for new item
//
Item.FieldWidth = (UINTN) -1;
Item.Width = 0;
Item.WidthParse = &Item.Width;
Item.Pad = ' ';
Item.PadBefore = TRUE;
Item.Comma = FALSE;
Item.Long = FALSE;
Item.Item.Ascii = FALSE;
Item.Item.u.pw = NULL;
ps->RestoreAttr = 0;
Attr = 0;
c = PGETC (&ps->fmt);
while (c) {
switch (c) {
case '%':
//
// %% -> %
//
Item.Scratch[0] = '%';
Item.Scratch[1] = 0;
Item.Item.u.pw = Item.Scratch;
break;
case '0':
Item.Pad = '0';
break;
case '-':
Item.PadBefore = FALSE;
break;
case ',':
Item.Comma = TRUE;
break;
case '.':
Item.WidthParse = &Item.FieldWidth;
break;
case '*':
*Item.WidthParse = VA_ARG (ps->args, UINTN);
break;
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
*Item.WidthParse = 0;
do {
*Item.WidthParse = *Item.WidthParse * 10 + c - '0';
c = PGETC (&ps->fmt);
} while (c >= '0' && c <= '9');
ps->fmt.Index -= 1;
break;
case 'a':
Item.Item.u.pc = VA_ARG (ps->args, CHAR8 *);
Item.Item.Ascii = TRUE;
if (!Item.Item.u.pc) {
Item.Item.u.pc = "(null)";
}
Item.PadBefore = FALSE;
break;
case 's':
Item.Item.u.pw = VA_ARG (ps->args, CHAR16 *);
if (!Item.Item.u.pw) {
Item.Item.u.pw = L"(null)";
}
Item.PadBefore = FALSE;
break;
case 'c':
Item.Scratch[0] = (CHAR16) VA_ARG (ps->args, UINTN);
Item.Scratch[1] = 0;
Item.Item.u.pw = Item.Scratch;
break;
case 'l':
Item.Long = TRUE;
break;
case 'X':
Item.Width = Item.Long ? 16 : 8;
Item.Pad = '0';
case 'x':
//SPrint(Buffer, 64, L"EFI Error №%r", (UINTN)Status);
// ValueToHex (
UnicodeSPrint(
Item.Scratch, 64, L"%x",
Item.Long ? VA_ARG (ps->args, UINT64) : VA_ARG (ps->args, UINTN)
);
Item.Item.u.pw = Item.Scratch;
break;
/*
case 'g':
TmpGUID = VA_ARG (ps->args, EFI_GUID *);
if (TmpGUID != NULL) {
Item.Item.u.pw = Item.Scratch;
GuidToString (Item.Item.u.pw, TmpGUID);
}
break;
*/
case 'd':
// ValueToString (
UnicodeSPrint(
Item.Scratch, 64, L"%d",
// Item.Comma,
Item.Long ? VA_ARG (ps->args, UINT64) : VA_ARG (ps->args, INTN)
);
Item.Item.u.pw = Item.Scratch;
break;
/*
case 't':
Item.Item.u.pw = Item.Scratch;
TimeToString (Item.Item.u.pw, VA_ARG (ps->args, EFI_TIME *));
break;
*/
case 'r':
// StatusToString
UnicodeSPrint(Item.Scratch, 64, L"%r", VA_ARG (ps->args, EFI_STATUS));
Item.Item.u.pw = Item.Scratch;
break;
case 'n':
PSETATTR (ps, ps->AttrNorm);
break;
case 'h':
PSETATTR (ps, ps->AttrHighlight);
break;
case 'b':
PSETATTR (ps, ps->AttrBlueColor);
break;
case 'v':
PSETATTR (ps, ps->AttrGreenColor);
break;
case 'e':
PSETATTR (ps, ps->AttrError);
break;
case 'N':
Attr = ps->AttrNorm;
break;
case 'H':
Attr = ps->AttrHighlight;
break;
case 'E':
Attr = ps->AttrError;
break;
case 'B':
Attr = ps->AttrBlueColor;
break;
case 'V':
Attr = ps->AttrGreenColor;
break;
default:
Item.Scratch[0] = '?';
Item.Scratch[1] = 0;
Item.Item.u.pw = Item.Scratch;
break;
}
//
// if we have an Item
//
if (Item.Item.u.pw) {
PITEM (ps);
break;
}
//
// if we have an Attr set
//
if (Attr) {
PSETATTR (ps, Attr);
ps->RestoreAttr = 0;
break;
}
c = PGETC (&ps->fmt);
}
if (ps->RestoreAttr) {
PSETATTR (ps, ps->RestoreAttr);
}
c = PGETC (&ps->fmt);
}
//
// Flush buffer
//
PFLUSH (ps);
FreePool (Item.Scratch);
FreePool (Buffer);
return ps->Len;
}
EFI_STATUS
WaitForSingleEvent (
IN EFI_EVENT Event,
IN UINT64 Timeout OPTIONAL
)
{
EFI_STATUS Status;
UINTN Index;
EFI_EVENT WaitList[3];
EFI_EVENT TimerEvent;
if (Timeout != 0)
{
//
// Create a timer event
//
Status = gBS->CreateEvent(EVT_TIMER, 0, NULL, NULL, &TimerEvent);
if (!EFI_ERROR (Status))
{
//
// Set the timer event
//
gBS->SetTimer(TimerEvent, TimerRelative, Timeout);
//
// Wait for the original event or the timer
//
WaitList[0] = Event;
WaitList[1] = TimerEvent;
Status = gBS->WaitForEvent(2, WaitList, &Index);
gBS->CloseEvent (TimerEvent);
if (!EFI_ERROR (Status) && Index == 1)
{
Status = EFI_TIMEOUT;
}
}
}
else
{
WaitList[0] = Event;
Status = gBS->WaitForEvent (1, WaitList, &Index);
}
return Status;
}
//set Timeout in ms
EFI_STATUS
WaitFor2EventWithTsc (
IN EFI_EVENT Event1,
IN EFI_EVENT Event2,
IN UINT64 Timeout OPTIONAL
)
{
EFI_STATUS Status;
UINTN Index;
EFI_EVENT WaitList[2];
UINT64 t0, t1;
UINT64 Delta = DivU64x64Remainder(MultU64x64(Timeout, gCPUStructure.TSCFrequency), 1000, NULL);
if (Timeout != 0)
{
t0 = AsmReadTsc();
do {
Status = gBS->CheckEvent(Event1);
if (!EFI_ERROR(Status)) {
break;
}
if (Event2) {
Status = gBS->CheckEvent(Event2);
if (!EFI_ERROR(Status)) {
break;
}
}
// Let's try to relax processor a bit
CpuPause();
Status = EFI_TIMEOUT;
t1 = AsmReadTsc();
} while ((t1 - t0) < Delta);
}
else
{
WaitList[0] = Event1;
WaitList[1] = Event2;
Status = gBS->WaitForEvent (2, WaitList, &Index);
}
return Status;
}
BOOLEAN
SetPageBreak (
IN OUT PRINT_STATE *ps
)
{
EFI_INPUT_KEY Key;
CHAR16 Str[3];
// ASSERT (ps != NULL);
if (!ps) {
return FALSE;
}
ps->Output (ps->Context, L"Press ENTER to continue, 'q' to exit:");
//
// Wait for user input
//
Str[0] = ' ';
Str[1] = 0;
Str[2] = 0;
for (;;) {
WaitForSingleEvent (gST->ConIn->WaitForKey, 0);
gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);
//
// handle control keys
//
if (Key.UnicodeChar == CHAR_NULL) {
if (Key.ScanCode == SCAN_ESC) {
ps->Output (ps->Context, L"\r\n");
mPrintMode.OmitPrint = TRUE;
break;
}
continue;
}
if (Key.UnicodeChar == CHAR_CARRIAGE_RETURN) {
ps->Output (ps->Context, L"\r\n");
mPrintMode.Row = mPrintMode.InitRow;
break;
}
//
// Echo input
//
Str[1] = Key.UnicodeChar;
if (Str[1] == CHAR_BACKSPACE) {
continue;
}
ps->Output (ps->Context, Str);
if ((Str[1] == L'q') || (Str[1] == L'Q')) {
mPrintMode.OmitPrint = TRUE;
} else {
mPrintMode.OmitPrint = FALSE;
}
Str[0] = CHAR_BACKSPACE;
}
return mPrintMode.OmitPrint;
}
void
IFlushWithPageBreak (
IN OUT PRINT_STATE *ps
)
{
CHAR16 *Pos;
CHAR16 *LineStart;
CHAR16 LineEndChar;
// ASSERT (ps != NULL);
if (!ps) {
return;
}
Pos = ps->Buffer;
LineStart = Pos;
while ((*Pos != 0) && (Pos < ps->Pos)) {
if ((*Pos == L'\n') && (*(Pos - 1) == L'\r')) {
//
// Output one line
//
LineEndChar = *(Pos + 1);
*(Pos + 1) = 0;
ps->Output (ps->Context, LineStart);
*(Pos + 1) = LineEndChar;
//
// restore line end char
//
LineStart = Pos + 1;
mPrintMode.Column = 0;
mPrintMode.Row++;
if (mPrintMode.Row == mPrintMode.MaxRow) {
if (SetPageBreak (ps)) {
return ;
}
}
} else {
if (*Pos == CHAR_BACKSPACE) {
mPrintMode.Column--;
} else {
mPrintMode.Column++;
}
//
// If column is at the end of line, output a new line feed.
//
if ((mPrintMode.Column == mPrintMode.MaxColumn) && (*Pos != L'\n') && (*Pos != L'\r')) {
LineEndChar = *(Pos + 1);
*(Pos + 1) = 0;
ps->Output (ps->Context, LineStart);
*(Pos + 1) = LineEndChar;
//
// restore line end char
//
if (mPrintMode.AutoWrap) {
ps->Output (ps->Context, L"\r\n");
}
LineStart = Pos + 1;
mPrintMode.Column = 0;
mPrintMode.Row++;
if (mPrintMode.Row == mPrintMode.MaxRow) {
if (SetPageBreak (ps)) {
return ;
}
}
}
}
Pos++;
}
if (*LineStart != 0) {
ps->Output (ps->Context, LineStart);
}
}
VOID
SetOutputPause (
IN BOOLEAN Pause
)
{
EFI_TPL Tpl;
Tpl = gBS->RaiseTPL (EFI_TPL_NOTIFY);
mPrintMode.OutputPause = Pause;
gBS->RestoreTPL (Tpl);
}
EFI_STATUS
EFIAPI
_PoolPrint (
IN VOID *Context,
IN CHAR16 *Buffer
)
/*++
Routine Description:
Append string worker for PoolPrint and CatPrint
Arguments:
Context - Context
Buffer - Buffer
Returns:
--*/
{
UINTN newlen;
POOL_PRINT *spc;
// ASSERT (Context != NULL);
if (!Context) {
return EFI_SUCCESS;
}
spc = Context;
newlen = spc->Len + StrLen (Buffer) + 1;
//
// Is the string is over the max, grow the buffer
//
if (newlen > spc->Maxlen) {
//
// Grow the pool buffer
//
newlen += PRINT_STRING_LEN;
spc->Maxlen = newlen;
spc->Str = (__typeof__(spc->Str))EfiReallocatePool (
spc->Str,
spc->Len * sizeof (CHAR16),
spc->Maxlen * sizeof (CHAR16)
);
if (!spc->Str) {
spc->Len = 0;
spc->Maxlen = 0;
}
}
//
// Append the new text
//
return _SPrint (Context, Buffer);
}
VOID
Output (
IN CHAR16 *Str
)
/*++
Routine Description:
Write a string to the console at the current cursor location
Arguments:
Str - string
Returns:
--*/
{
gST->ConOut->OutputString (gST->ConOut, Str);
}
VOID
Input (
IN CHAR16 *Prompt OPTIONAL,
OUT CHAR16 *InStr,
IN UINTN StrLen
)
/*++
Routine Description:
Input a string at the current cursor location, for StrLen
Arguments:
Prompt - Prompt
InStr - The input string
StrLen - The string buffer length
Returns:
--*/
{
IInput (
gST->ConOut,
gST->ConIn,
Prompt,
InStr,
StrLen
);
}
VOID
ConMoveCursorBackward (
IN UINTN LineLength,
IN OUT UINTN *Column,
IN OUT UINTN *Row
)
/*++
Routine Description:
Move the cursor position one character backward.
Arguments:
LineLength Length of a line. Get it by calling QueryMode
Column Current column of the cursor position
Row Current row of the cursor position
Returns:
--*/
{
// ASSERT (Column != NULL);
// ASSERT (Row != NULL);
if (!Column || !Row) {
return;
}
//
// If current column is 0, move to the last column of the previous line,
// otherwise, just decrement column.
//
if (*Column == 0) {
(*Column) = LineLength - 1;
//
// if (*Row > 0) {
//
(*Row)--;
//
// }
//
} else {
(*Column)--;
}
}
VOID
ConMoveCursorForward (
IN UINTN LineLength,
IN UINTN TotalRow,
IN OUT UINTN *Column,
IN OUT UINTN *Row
)
/*++
Routine Description:
Move the cursor position one character backward.
Arguments:
LineLength Length of a line. Get it by calling QueryMode
TotalRow Total row of a screen, get by calling QueryMode
Column Current column of the cursor position
Row Current row of the cursor position
Returns:
--*/
{
// ASSERT (Column != NULL);
// ASSERT (Row != NULL);
if (!Column || !Row) {
return;
}
//
// If current column is at line end, move to the first column of the nest
// line, otherwise, just increment column.
//
(*Column)++;
if (*Column >= LineLength) {
(*Column) = 0;
if ((*Row) < TotalRow - 1) {
(*Row)++;
}
}
}
VOID
IInput (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL * ConOut,
IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL * ConIn,
IN CHAR16 *Prompt OPTIONAL,
OUT CHAR16 *InStr,
IN UINTN StrLength
)
/*++
Routine Description:
Input a string at the current cursor location, for StrLength
Arguments:
ConOut Console output protocol
ConIn Console input protocol
Prompt Prompt string
InStr Buffer to hold the input string
StrLength Length of the buffer
Returns:
--*/
{
BOOLEAN Done;
UINTN Column;
INTN Row;
UINTN StartColumn;
UINTN Update;
UINTN Delete;
UINTN Len;
UINTN StrPos;
UINTN Index;
UINTN LineLength;
UINTN TotalRow;
UINTN SkipLength;
UINTN OutputLength;
UINTN TailRow;
UINTN TailColumn;
EFI_INPUT_KEY Key;
BOOLEAN InsertMode;
// ASSERT (ConOut != NULL);
// ASSERT (ConIn != NULL);
// ASSERT (InStr != NULL);
if (!ConOut || !ConIn || !InStr) {
return;
}
if (Prompt) {
ConOut->OutputString (ConOut, Prompt);
}
//
// Read a line from the console
//
// Len = 0;
// StrPos = 0;
OutputLength = 0;
Update = 0;
Delete = 0;
InsertMode = TRUE;
//
// If buffer is not large enough to hold a CHAR16, do nothing.
//
if (StrLength < 1) {
return ;
}
//
// Get the screen setting and the current cursor location
//
StartColumn = ConOut->Mode->CursorColumn;
Column = StartColumn;
Row = ConOut->Mode->CursorRow;
ConOut->QueryMode (ConOut, ConOut->Mode->Mode, &LineLength, &TotalRow);
if (LineLength == 0) {
return ;
}
// SetMem (InStr, StrLength * sizeof (CHAR16), 0);
//prepare default string
Len = StrLen(InStr);
StrPos = 0;
OutputLength = Len;
Print(L"%s", InStr);
Done = FALSE;
ConOut->SetCursorPosition (ConOut, Column, Row);
do {
//
// Read a key
//
WaitForSingleEvent (ConIn->WaitForKey, 0);
ConIn->ReadKeyStroke (ConIn, &Key);
switch (Key.UnicodeChar) {
case CHAR_CARRIAGE_RETURN:
//
// All done, print a newline at the end of the string
//
TailRow = Row + (Len - StrPos + Column) / LineLength;
TailColumn = (Len - StrPos + Column) % LineLength;
Done = TRUE;
break;
case CHAR_BACKSPACE:
if (StrPos) {
//
// If not move back beyond string beginning, move all characters behind
// the current position one character forward
//
StrPos -= 1;
Update = StrPos;
Delete = 1;
CopyMem (InStr + StrPos, InStr + StrPos + 1, sizeof (CHAR16) * (Len - StrPos));
//
// Adjust the current column and row
//
ConMoveCursorBackward (LineLength, &Column, (UINTN *)&Row);
}
break;
default:
if (Key.UnicodeChar >= ' ') {
//
// If we are at the buffer's end, drop the key
//
if ((Len == StrLength - 1) && (InsertMode || StrPos == Len)) {
break;
}
//
// If in insert mode, move all characters behind the current position
// one character backward to make space for this character. Then store
// the character.
//
if (InsertMode) {
for (Index = Len; Index > StrPos; Index--) {
InStr[Index] = InStr[Index - 1];
}
}
InStr[StrPos] = Key.UnicodeChar;
Update = StrPos;
StrPos++;
OutputLength++;
}
break;
case 0:
switch (Key.ScanCode) {
case SCAN_DELETE:
//
// Move characters behind current position one character forward
//
if (Len) {
Update = StrPos;
Delete = 1;
CopyMem (InStr + StrPos, InStr + StrPos + 1, sizeof (CHAR16) * (Len - StrPos));
}
break;
case SCAN_LEFT:
//
// Adjust current cursor position
//
if (StrPos) {
StrPos -= 1;
ConMoveCursorBackward (LineLength, &Column, (UINTN *)&Row);
}
break;
case SCAN_RIGHT:
//
// Adjust current cursor position
//
if (StrPos < Len) {
StrPos += 1;
ConMoveCursorForward (LineLength, TotalRow, &Column, (UINTN *)&Row);
}
break;
case SCAN_HOME:
//
// Move current cursor position to the beginning of the command line
//
Row -= (StrPos + StartColumn) / LineLength;
Column = StartColumn;
StrPos = 0;
break;
case SCAN_END:
//
// Move current cursor position to the end of the command line
//
TailRow = Row + (Len - StrPos + Column) / LineLength;
TailColumn = (Len - StrPos + Column) % LineLength;
Row = TailRow;
Column = TailColumn;
StrPos = Len;
break;
case SCAN_ESC:
//
// Prepare to clear the current command line
//
InStr[0] = 0;
Update = 0;
Delete = Len;
Row -= (StrPos + StartColumn) / LineLength;
Column = StartColumn;
OutputLength = 0;
break;
case SCAN_INSERT:
//
// Toggle the SEnvInsertMode flag
//
InsertMode = (BOOLEAN)!InsertMode;
break;
}
}
if (Done) {
break;
}
//
// If we need to update the output do so now
//
if (Update != -1) {
PrintAt (Column, Row, L"%s%.*s", InStr + Update, Delete, L"");
Len = StrLen (InStr);
if (Delete) {
SetMem (InStr + Len, Delete * sizeof (CHAR16), 0x00);
}
if (StrPos > Len) {
StrPos = Len;
}
Update = (UINTN) -1;
//
// After using print to reflect newly updates, if we're not using
// BACKSPACE and DELETE, we need to move the cursor position forward,
// so adjust row and column here.
//
if (Key.UnicodeChar != CHAR_BACKSPACE && !(Key.UnicodeChar == 0 && Key.ScanCode == SCAN_DELETE)) {
//
// Calulate row and column of the tail of current string
//
TailRow = Row + (Len - StrPos + Column + OutputLength) / LineLength;
TailColumn = (Len - StrPos + Column + OutputLength) % LineLength;
//
// If the tail of string reaches screen end, screen rolls up, so if
// Row does not equal TailRow, Row should be decremented
//
// (if we are recalling commands using UPPER and DOWN key, and if the
// old command is too long to fit the screen, TailColumn must be 79.
//
if (TailColumn == 0 && TailRow >= TotalRow && (UINTN) Row != TailRow) {
Row--;
}
//
// Calculate the cursor position after current operation. If cursor
// reaches line end, update both row and column, otherwise, only
// column will be changed.
//
if (Column + OutputLength >= LineLength) {
SkipLength = OutputLength - (LineLength - Column);
Row += SkipLength / LineLength + 1;
if ((UINTN) Row > TotalRow - 1) {
Row = TotalRow - 1;
}
Column = SkipLength % LineLength;
} else {
Column += OutputLength;
}
}
Delete = 0;
}
//
// Set the cursor position for this key
//
SetCursorPosition (ConOut, Column, Row, LineLength, TotalRow, InStr, StrPos, Len);
} while (!Done);
//
// Return the data to the caller
//
return ;
}
VOID
SetCursorPosition (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *ConOut,
IN UINTN Column,
IN INTN Row,
IN UINTN LineLength,
IN UINTN TotalRow,
IN CHAR16 *Str,
IN UINTN StrPos,
IN UINTN Len
)
{
CHAR16 Backup;
// ASSERT (ConOut != NULL);
// ASSERT (Str != NULL);
if (!ConOut || !Str) {
return;
}
Backup = 0;
if (Row >= 0) {
ConOut->SetCursorPosition (ConOut, Column, Row);
return ;
}
if (Len - StrPos > Column * Row) {
Backup = *(Str + StrPos + Column * Row);
*(Str + StrPos + Column * Row) = 0;
}
PrintAt (0, 0, L"%s", Str + StrPos);
if (Len - StrPos > Column * Row) {
*(Str + StrPos + Column * Row) = Backup;
}
ConOut->SetCursorPosition (ConOut, 0, 0);
}
//
// //
/*
BOOLEAN
LibGetPrintOmit (
VOID
)
{
return mPrintMode.OmitPrint;
}
VOID
LibSetPrintOmit (
IN BOOLEAN OmitPrint
)
{
EFI_TPL Tpl;
Tpl = gBS->RaiseTPL (EFI_TPL_NOTIFY);
mPrintMode.OmitPrint = OmitPrint;
gBS->RestoreTPL (Tpl);
}
VOID
LibEnablePageBreak (
IN INT32 StartRow,
IN BOOLEAN AutoWrap
)
{
mPrintMode.PageBreak = TRUE;
mPrintMode.OmitPrint = FALSE;
mPrintMode.InitRow = StartRow;
mPrintMode.AutoWrap = AutoWrap;
//
// Query Mode
//
gST->ConOut->QueryMode (
gST->ConOut,
gST->ConOut->Mode->Mode,
(UINTN *)&mPrintMode.MaxColumn,
(UINTN *)&mPrintMode.MaxRow
);
mPrintMode.Row = StartRow;
}
BOOLEAN
LibGetPageBreak (
VOID
)
{
return mPrintMode.PageBreak;
}
*/
//
VOID LowCase (IN OUT CHAR8 *Str)
{
while (*Str) {
if (IS_UPPER(*Str)) {
*Str |= 0x20;
}
Str++;
}
}
UINT8 hexstrtouint8 (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 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 '%a' syntax error\n", hex);
return 0;
}
buf[0] = *p++;
buf[1] = *p++;
bin[i] = hexstrtouint8(buf);
outlen++;
}
//bin[outlen] = 0;
return outlen;
}
CHAR8* Bytes2HexStr(UINT8 *data, UINTN len)
{
UINTN i, j, b = 0;
CHAR8 *result = (CHAR8*)AllocateZeroPool((len*2)+1);
//CHAR8 *buf = (__typeof__(buf))AllocateZeroPool(2);
for (i = j = 0; i < len; i++) {
b = data[i] >> 4;
result[j++] = (CHAR8) (87 + b + (((b - 10) >> 31) & -39));
b = data[i] & 0xf;
result[j++] = (CHAR8) (87 + b + (((b - 10) >> 31) & -39));
//buf = (CHAR8*)PoolPrint(L"%02x", (UINT8*)data[i]);
}
result[j] = '\0';
//FreePool(buf);
return result;
}
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