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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10987 6f19259b-4bc3-4df7-8a09-765794883524
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hhtian
2010-11-01 06:30:58 +00:00
parent a3bcde70e6
commit 97f98500c1
76 changed files with 7305 additions and 0 deletions
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42
CryptoPkg/Library/BaseCryptLib/SysCall/BaseMemAllocation.c Normal file
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/** @file
Base Memory Allocation Routines Wrapper for Crypto library over OpenSSL
during PEI & DXE phases.
Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
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.
**/
#include <OpenSslSupport.h>
//
// -- Memory-Allocation Routines --
//
/* Allocates memory blocks */
void *malloc (size_t size)
{
return AllocatePool ((UINTN)size);
}
/* Reallocate memory blocks */
void *realloc (void *ptr, size_t size)
{
//
// BUG: hardcode OldSize == size! We have no any knowledge about
// memory size of original pointer ptr.
//
return ReallocatePool ((UINTN)size, (UINTN)size, ptr);
}
/* De-allocates or frees a memory block */
void free (void *ptr)
{
FreePool (ptr);
}

281
CryptoPkg/Library/BaseCryptLib/SysCall/CrtWrapper.c Normal file
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/** @file
C Run-Time Libraries (CRT) Wrapper Implementation for OpenSSL-based
Cryptographic Library.
Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
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.
**/
#include <OpenSslSupport.h>
typedef
INTN
(*SORT_COMPARE)(
IN VOID *Buffer1,
IN VOID *Buffer2
);
//
// Duplicated from EDKII BaseSortLib for qsort() wrapper
//
STATIC
VOID
QuickSortWorker (
IN OUT VOID *BufferToSort,
IN CONST UINTN Count,
IN CONST UINTN ElementSize,
IN SORT_COMPARE CompareFunction,
IN VOID *Buffer
)
{
VOID *Pivot;
UINTN LoopCount;
UINTN NextSwapLocation;
ASSERT(BufferToSort != NULL);
ASSERT(CompareFunction != NULL);
ASSERT(Buffer != NULL);
if (Count < 2 || ElementSize < 1) {
return;
}
NextSwapLocation = 0;
//
// Pick a pivot (we choose last element)
//
Pivot = ((UINT8 *)BufferToSort + ((Count - 1) * ElementSize));
//
// Now get the pivot such that all on "left" are below it
// and everything "right" are above it
//
for (LoopCount = 0; LoopCount < Count - 1; LoopCount++)
{
//
// If the element is less than the pivot
//
if (CompareFunction ((VOID *)((UINT8 *)BufferToSort + ((LoopCount) * ElementSize)), Pivot) <= 0) {
//
// Swap
//
CopyMem (Buffer, (UINT8 *)BufferToSort + (NextSwapLocation * ElementSize), ElementSize);
CopyMem ((UINT8 *)BufferToSort + (NextSwapLocation * ElementSize), (UINT8 *)BufferToSort + ((LoopCount) * ElementSize), ElementSize);
CopyMem ((UINT8 *)BufferToSort + ((LoopCount) * ElementSize), Buffer, ElementSize);
//
// Increment NextSwapLocation
//
NextSwapLocation++;
}
}
//
// Swap pivot to it's final position (NextSwapLocaiton)
//
CopyMem (Buffer, Pivot, ElementSize);
CopyMem (Pivot, (UINT8 *)BufferToSort + (NextSwapLocation * ElementSize), ElementSize);
CopyMem ((UINT8 *)BufferToSort + (NextSwapLocation * ElementSize), Buffer, ElementSize);
//
// Now recurse on 2 paritial lists. Neither of these will have the 'pivot' element.
// IE list is sorted left half, pivot element, sorted right half...
//
QuickSortWorker (
BufferToSort,
NextSwapLocation,
ElementSize,
CompareFunction,
Buffer
);
QuickSortWorker (
(UINT8 *)BufferToSort + (NextSwapLocation + 1) * ElementSize,
Count - NextSwapLocation - 1,
ElementSize,
CompareFunction,
Buffer
);
return;
}
//---------------------------------------------------------
// Standard C Run-time Library Interface Wrapper
//---------------------------------------------------------
//
// -- String Manipulation Routines --
//
/* Scan a string for the last occurrence of a character */
char *strrchr (const char *str, int c)
{
char * save;
for (save = NULL; ; ++str) {
if (*str == c) {
save = (char *)str;
}
if (*str == 0) {
return (save);
}
}
}
/* Read formatted data from a string */
int sscanf (const char *buffer, const char *format, ...)
{
//
// Null sscanf() function implementation to satisfy the linker, since
// no direct functionality logic dependency in present UEFI cases.
//
return 0;
}
//
// -- Character Classification Routines --
//
/* Determines if a particular character is a decimal-digit character */
int isdigit (int c)
{
//
// <digit> ::= [0-9]
//
return (('0' <= (c)) && ((c) <= '9'));
}
/* Determine if an integer represents character that is a hex digit */
int isxdigit (int c)
{
//
// <hexdigit> ::= [0-9] | [a-f] | [A-F]
//
return ((('0' <= (c)) && ((c) <= '9')) ||
(('a' <= (c)) && ((c) <= 'f')) ||
(('A' <= (c)) && ((c) <= 'F')));
}
/* Determines if a particular character represents a space character */
int isspace (int c)
{
//
// <space> ::= [ ]
//
return ((c) == ' ');
}
/* Determine if a particular character is an alphanumeric character */
int isalnum (int c)
{
//
// <alnum> ::= [0-9] | [a-z] | [A-Z]
//
return ((('0' <= (c)) && ((c) <= '9')) ||
(('a' <= (c)) && ((c) <= 'z')) ||
(('A' <= (c)) && ((c) <= 'Z')));
}
/* Determines if a particular character is in upper case */
int isupper (int c)
{
//
// <uppercase letter> := [A-Z]
//
return (('A' <= (c)) && ((c) <= 'Z'));
}
//
// -- Data Conversion Routines --
//
/* Convert strings to a long-integer value */
long strtol (const char *nptr, char **endptr, int base)
{
//
// Null strtol() function implementation to satisfy the linker, since there is
// no direct functionality logic dependency in present UEFI cases.
//
return 0;
}
/* Convert strings to an unsigned long-integer value */
unsigned long strtoul (const char *nptr, char **endptr, int base)
{
//
// Null strtoul() function implementation to satisfy the linker, since there is
// no direct functionality logic dependency in present UEFI cases.
//
return 0;
}
/* Convert character to lowercase */
int tolower (int c)
{
if (('A' <= (c)) && ((c) <= 'Z')) {
return (c - ('A' - 'a'));
}
return (c);
}
//
// -- Searching and Sorting Routines --
//
/* Performs a quick sort */
void qsort (void *base, size_t num, size_t width, int (*compare)(const void *, const void *))
{
VOID *Buffer;
ASSERT (base != NULL);
ASSERT (compare != NULL);
Buffer = AllocatePool (width);
ASSERT (Buffer != NULL);
//
// Re-use PerformQuickSort() function Implementation in EDKII BaseSortLib.
//
QuickSortWorker (base, (UINTN)num, (UINTN)width, (SORT_COMPARE)compare, Buffer);
FreePool (Buffer);
return;
}
//
// -- Process and Environment Control Routines --
//
/* Get a value from the current environment */
char *getenv (const char *varname)
{
//
// Null getenv() function implementation to satisfy the linker, since there is
// no direct functionality logic dependency in present UEFI cases.
//
return NULL;
}
//
// -- Stream I/O Routines --
//
/* Write formatted output using a pointer to a list of arguments */
int vfprintf (FILE *stream, const char *format, VA_LIST arg)
{
return 0;
}
/* Write data to a stream */
size_t fwrite (const void *buffer, size_t size, size_t count, FILE *stream)
{
return 0;
}

54
CryptoPkg/Library/BaseCryptLib/SysCall/HelperWrapper.c Normal file
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/** @file
Wrapper Implementation of Helper Routines produced by the C Compiler
for the OpenSSL-based Cryptographic Library.
Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
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.
**/
#include <OpenSslSupport.h>
//---------------------------------------------------------
// Helper Routines Wrapper
//---------------------------------------------------------
/* Divides a 64-bit signed value with a 64-bit signed value and returns
a 64-bit signed quotient and reminder */
void _aulldvrm ()
{
//
// Null _aulldvrm() Math function implementation to satisfy the linker, since
// there is no direct functionality logic dependency in present UEFI cases.
//
return;
}
/* Converts a scalar double-precision floating point value to a 32-bit integer */
long _ftol2_sse (double dblSource)
{
//
// OpenSSL uses this function due to using floating-point inside it.
// It is only present in 32-bit versions of the compiler.
// Null _ftol2_sse() function implementation to satisfy the linker, since
// there is no direct functionality logic dependency in present UEFI cases.
//
return 0;
}
/* Converts a scalar double-precision floating point value to a 32-bit integer */
long _ftol2 (double dblSource)
{
//
// Null _ftol2() function implementation to satisfy the linker, since
// there is no direct functionality logic dependency in present UEFI cases.
//
return 0;
}

59
CryptoPkg/Library/BaseCryptLib/SysCall/Ia32/Alloca.S Normal file
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#------------------------------------------------------------------------------
#
# Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
# 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:
#
# Alloca.S
#
# Abstract:
#
# Implementation for allocation of automatically reclaimed memory, which is
# used to allocate space off the runtime stack.
# (NOTE: There is a assumption in this code that the page size equal to 4K)
#
#------------------------------------------------------------------------------
.686:
.code:
ASM_GLOBAL ASM_PFX(_alloca)
#------------------------------------------------------------------------------
#
# void __cdecl _alloca (unsigned size)
#
#------------------------------------------------------------------------------
ASM_PFX(_alloca):
pushl %ecx
cmpl $0x1000, %eax
leal 8(%esp), %ecx
jb LastPage
ProbePages:
subl $0x1000, %ecx
subl $0x1000, %eax
testl %eax, 0(%ecx)
cmpl $0x1000, %eax
jae ProbePages
LastPage:
subl %eax, %ecx
movl %esp, %eax
testl %eax, 0(%ecx)
movl %ecx, %esp
movl 0(%eax), %ecx
movl 4(%eax), %eax
pushl %eax
ret

83
CryptoPkg/Library/BaseCryptLib/SysCall/Ia32/MathDivU64x64.S Normal file
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#------------------------------------------------------------------------------
#
# Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
# 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:
#
# MathDivU64x64.S
#
# Abstract:
#
# 64-bit Math Worker Function.
# Divides a 64-bit unsigned value with a 64-bit unsigned value and returns
# a 64-bit unsigned result.
#
#------------------------------------------------------------------------------
.686:
.code:
ASM_GLOBAL ASM_PFX(__udivdi3), ASM_PFX(DivU64x64Remainder)
#------------------------------------------------------------------------------
#
# void __cdecl __udivdi3 (void)
#
#------------------------------------------------------------------------------
ASM_PFX(__udivdi3):
# Original local stack when calling __udivdi3
# -----------------
# | |
# |---------------|
# | |
# |-- Divisor --|
# | |
# |---------------|
# | |
# |-- Dividend --|
# | |
# |---------------|
# | ReturnAddr** |
# ESP---->|---------------|
#
#
# Set up the local stack for NULL Reminder pointer
#
xorl %eax, %eax
push %eax
#
# Set up the local stack for Divisor parameter
#
movl 20(%esp), %eax
push %eax
movl 20(%esp), %eax
push %eax
#
# Set up the local stack for Dividend parameter
#
movl 20(%esp), %eax
push %eax
movl 20(%esp), %eax
push %eax
#
# Call native DivU64x64Remainder of BaseLib
#
jmp ASM_PFX(DivU64x64Remainder)
#
# Adjust stack
#
addl $20, %esp
ret $16

88
CryptoPkg/Library/BaseCryptLib/SysCall/Ia32/MathDivU64x64.c Normal file
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/** @file
64-bit Math Worker Function.
The 32-bit versions of C compiler generate calls to library routines
to handle 64-bit math. These functions use non-standard calling conventions.
Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
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.
**/
#include <Library/BaseLib.h>
/*
* Divides a 64-bit unsigned value with a 64-bit unsigned value and returns
* a 64-bit unsigned result.
*/
__declspec(naked) void __cdecl _aulldiv (void)
{
//
// Wrapper Implementation over EDKII DivU64x64Reminder() routine
// UINT64
// EFIAPI
// DivU64x64Remainder (
// IN UINT64 Dividend,
// IN UINT64 Divisor,
// OUT UINT64 *Remainder OPTIONAL
// )
//
_asm {
; Original local stack when calling _aulldiv
; -----------------
; | |
; |---------------|
; | |
; |-- Divisor --|
; | |
; |---------------|
; | |
; |-- Dividend --|
; | |
; |---------------|
; | ReturnAddr** |
; ESP---->|---------------|
;
;
; Set up the local stack for NULL Reminder pointer
;
xor eax, eax
push eax
;
; Set up the local stack for Divisor parameter
;
mov eax, [esp + 20]
push eax
mov eax, [esp + 20]
push eax
;
; Set up the local stack for Dividend parameter
;
mov eax, [esp + 20]
push eax
mov eax, [esp + 20]
push eax
;
; Call native DivU64x64Remainder of BaseLib
;
call DivU64x64Remainder
;
; Adjust stack
;
add esp, 20
ret 16
}
}

62
CryptoPkg/Library/BaseCryptLib/SysCall/Ia32/MathLShiftS64.S Normal file
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#------------------------------------------------------------------------------
#
# Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
# 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:
#
# MathLShiftS64.S
#
# Abstract:
#
# 64-bit Math Worker Function.
# Shifts a 64-bit signed value left by a certain number of bits.
#
#------------------------------------------------------------------------------
.686:
.code:
ASM_GLOBAL ASM_PFX(__ashldi3)
#------------------------------------------------------------------------------
#
# void __cdecl __ashldi3 (void)
#
#------------------------------------------------------------------------------
ASM_PFX(__ashldi3):
#
# Handle shifting of 64 or more bits (return 0)
#
cmpb $64, %cl
jae ReturnZero
#
# Handle shifting of between 0 and 31 bits
#
cmpb $32, %cl
jae More32
shld %cl, %eax, %edx
shl %cl, %eax
ret
#
# Handle shifting of between 32 and 63 bits
#
More32:
movl %eax, %edx
xor %eax, %eax
and $31, %cl
shl %cl, %edx
ret
ReturnZero:
xor %eax, %eax
xor %edx, %edx
ret

54
CryptoPkg/Library/BaseCryptLib/SysCall/Ia32/MathLShiftS64.c Normal file
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/** @file
64-bit Math Worker Function.
The 32-bit versions of C compiler generate calls to library routines
to handle 64-bit math. These functions use non-standard calling conventions.
Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
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.
**/
/*
* Shifts a 64-bit signed value left by a particular number of bits.
*/
__declspec(naked) void __cdecl _allshl (void)
{
_asm {
;
; Handle shifting of 64 or more bits (return 0)
;
cmp cl, 64
jae short ReturnZero
;
; Handle shifting of between 0 and 31 bits
;
cmp cl, 32
jae short More32
shld edx, eax, cl
shl eax, cl
ret
;
; Handle shifting of between 32 and 63 bits
;
More32:
mov edx, eax
xor eax, eax
and cl, 31
shl edx, cl
ret
ReturnZero:
xor eax,eax
xor edx,edx
ret
}
}

77
CryptoPkg/Library/BaseCryptLib/SysCall/Ia32/MathMultS64x64.S Normal file
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#------------------------------------------------------------------------------
#
# Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
# 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:
#
# MathMultS64x64.S
#
# Abstract:
#
# 64-bit Math Worker Function.
# Multiplies a 64-bit signed or unsigned value by a 64-bit signed or unsigned value
# and returns a 64-bit result
#
#------------------------------------------------------------------------------
.686:
.code:
ASM_GLOBAL ASM_PFX(_mulll), ASM_PFX(MultS64x64)
#------------------------------------------------------------------------------
#
# void __cdecl __mulll (void)
#
#------------------------------------------------------------------------------
ASM_PFX(__mulll):
# Original local stack when calling __mulll
# -----------------
# | |
# |---------------|
# | |
# |--Multiplier --|
# | |
# |---------------|
# | |
# |--Multiplicand-|
# | |
# |---------------|
# | ReturnAddr** |
# ESP---->|---------------|
#
#
# Set up the local stack for Multiplicand parameter
#
movl 16(%esp), %eax
push %eax
movl 16(%esp), %eax
push %eax
#
# Set up the local stack for Multiplier parameter
#
movl 16(%esp), %eax
push %eax
movl 16(%esp), %eax
push %eax
#
# Call native MulS64x64 of BaseLib
#
jmp ASM_PFX(MultS64x64)
#
# Adjust stack
#
add $16, %esp
ret $16

79
CryptoPkg/Library/BaseCryptLib/SysCall/Ia32/MathMultS64x64.c Normal file
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/** @file
64-bit Math Worker Function.
The 32-bit versions of C compiler generate calls to library routines
to handle 64-bit math. These functions use non-standard calling conventions.
Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
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.
**/
#include <Library/BaseLib.h>
/*
* Multiplies a 64-bit signed or unsigned value by a 64-bit signed or unsigned value
* and returns a 64-bit result.
*/
__declspec(naked) void __cdecl _allmul (void)
{
//
// Wrapper Implementation over EDKII MultS64x64() routine
// INT64
// EFIAPI
// MultS64x64 (
// IN INT64 Multiplicand,
// IN INT64 Multiplier
// )
//
_asm {
; Original local stack when calling _allmul
; -----------------
; | |
; |---------------|
; | |
; |--Multiplier --|
; | |
; |---------------|
; | |
; |--Multiplicand-|
; | |
; |---------------|
; | ReturnAddr** |
; ESP---->|---------------|
;
;
; Set up the local stack for Multiplicand parameter
;
mov eax, [esp + 16]
push eax
mov eax, [esp + 16]
push eax
;
; Set up the local stack for Multiplier parameter
;
mov eax, [esp + 16]
push eax
mov eax, [esp + 16]
push eax
;
; Call native MulS64x64 of BaseLib
;
call MultS64x64
;
; Adjust stack
;
add esp, 16
ret 16
}
}

66
CryptoPkg/Library/BaseCryptLib/SysCall/Ia32/MathRShiftU64.S Normal file
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#------------------------------------------------------------------------------
#
# Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
# 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:
#
# MathRShiftU64.S
#
# Abstract:
#
# 64-bit Math Worker Function.
# Shifts a 64-bit unsigned value right by a certain number of bits.
#
#------------------------------------------------------------------------------
.686:
.code:
ASM_GLOBAL ASM_PFX(__ashrdi3)
#------------------------------------------------------------------------------
#
# void __cdecl __ashrdi3 (void)
#
#------------------------------------------------------------------------------
ASM_PFX(__ashrdi3):
#
# Checking: Only handle 64bit shifting or more
#
cmpb $64, %cl
jae _Exit
#
# Handle shifting between 0 and 31 bits
#
cmpb $32, %cl
jae More32
shrd %cl, %edx, %eax
shr %cl, %edx
ret
#
# Handle shifting of 32-63 bits
#
More32:
movl %edx, %eax
xor %edx, %edx
and $32, %cl
shr %cl, %eax
ret
#
# Invalid number (less then 32bits), return 0
#
_Exit:
xor %eax, %eax
xor %edx, %edx
ret

57
CryptoPkg/Library/BaseCryptLib/SysCall/Ia32/MathRShiftU64.c Normal file
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@@ -0,0 +1,57 @@
/** @file
64-bit Math Worker Function.
The 32-bit versions of C compiler generate calls to library routines
to handle 64-bit math. These functions use non-standard calling conventions.
Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
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.
**/
/*
* Shifts a 64-bit unsigned value right by a certain number of bits.
*/
__declspec(naked) void __cdecl _aullshr (void)
{
_asm {
;
; Checking: Only handle 64bit shifting or more
;
cmp cl, 64
jae _Exit
;
; Handle shifting between 0 and 31 bits
;
cmp cl, 32
jae More32
shrd eax, edx, cl
shr edx, cl
ret
;
; Handle shifting of 32-63 bits
;
More32:
mov eax, edx
xor edx, edx
and cl, 31
shr eax, cl
ret
;
; Invalid number (less then 32bits), return 0
;
_Exit:
xor eax, eax
xor edx, edx
ret
}
}

89
CryptoPkg/Library/BaseCryptLib/SysCall/Ia32/MathReminderU64x64.S Normal file
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#------------------------------------------------------------------------------
#
# Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
# 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:
#
# MathReminderU64x64.S
#
# Abstract:
#
# 64-bit Math Worker Function.
# Divides a 64-bit unsigned value by another 64-bit unsigned value and returns
# the 64-bit unsigned remainder
#
#------------------------------------------------------------------------------
.686:
.code:
ASM_GLOBAL ASM_PFX(__umoddi3), ASM_PFX(DivU64x64Remainder)
#------------------------------------------------------------------------------
#
# void __cdecl __umoddi3 (void)
#
#------------------------------------------------------------------------------
ASM_PFX(__umoddi3):
# Original local stack when calling __umoddi3
# -----------------
# | |
# |---------------|
# | |
# |-- Divisor --|
# | |
# |---------------|
# | |
# |-- Dividend --|
# | |
# |---------------|
# | ReturnAddr** |
# ESP---->|---------------|
#
#
# Set up the local stack for Reminder pointer
#
sub $8, %esp
push %esp
#
# Set up the local stack for Divisor parameter
#
movl 28(%esp), %eax
push %eax
movl 28(%esp), %eax
push %eax
#
# Set up the local stack for Dividend parameter
#
movl 28(%esp), %eax
push %eax
movl 28(%esp), %eax
push %eax
#
# Call native DivU64x64Remainder of BaseLib
#
jmp ASM_PFX(DivU64x64Remainder)
#
# Put the Reminder in EDX:EAX as return value
#
movl 20(%esp), %eax
movl 24(%esp), %edx
#
# Adjust stack
#
add $28, %esp
ret $16

93
CryptoPkg/Library/BaseCryptLib/SysCall/Ia32/MathReminderU64x64.c Normal file
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/** @file
64-bit Math Worker Function.
The 32-bit versions of C compiler generate calls to library routines
to handle 64-bit math. These functions use non-standard calling conventions.
Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
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.
**/
#include <Library/BaseLib.h>
/*
* Divides a 64-bit unsigned value by another 64-bit unsigned value and returns
* the 64-bit unsigned remainder.
*/
__declspec(naked) void __cdecl _aullrem(void)
{
//
// Wrapper Implementation over EDKII DivU64x64Remainder() routine
// UINT64
// EFIAPI
// DivU64x64Remainder (
// IN UINT64 Dividend,
// IN UINT64 Divisor,
// OUT UINT64 *Remainder OPTIONAL
// )
//
_asm {
; Original local stack when calling _aullrem
; -----------------
; | |
; |---------------|
; | |
; |-- Divisor --|
; | |
; |---------------|
; | |
; |-- Dividend --|
; | |
; |---------------|
; | ReturnAddr** |
; ESP---->|---------------|
;
;
; Set up the local stack for Reminder pointer
;
sub esp, 8
push esp
;
; Set up the local stack for Divisor parameter
;
mov eax, [esp + 28]
push eax
mov eax, [esp + 28]
push eax
;
; Set up the local stack for Dividend parameter
;
mov eax, [esp + 28]
push eax
mov eax, [esp + 28]
push eax
;
; Call native DivU64x64Remainder of BaseLib
;
call DivU64x64Remainder
;
; Put the Reminder in EDX:EAX as return value
;
mov eax, [esp + 20]
mov edx, [esp + 24]
;
; Adjust stack
;
add esp, 28
ret 16
}
}

438
CryptoPkg/Library/BaseCryptLib/SysCall/RuntimeMemAllocation.c Normal file
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/** @file
Light-weight Memory Management Routines for OpenSSL-based Crypto
Library at Runtime Phase.
Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
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.
**/
#include <OpenSslSupport.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiRuntimeLib.h>
#include <Guid/EventGroup.h>
//----------------------------------------------------------------
// Initial version. Needs further optimizations.
//----------------------------------------------------------------
//
// Definitions for Runtime Memory Operations
//
#define RT_PAGE_SIZE 0x200
#define RT_PAGE_MASK 0x1FF
#define RT_PAGE_SHIFT 9
#define RT_SIZE_TO_PAGES(a) (((a) >> RT_PAGE_SHIFT) + (((a) & RT_PAGE_MASK) ? 1 : 0))
#define RT_PAGES_TO_SIZE(a) ((a) << RT_PAGE_SHIFT)
//
// Page Flag Definitions
//
#define RT_PAGE_FREE 0x00000000
#define RT_PAGE_USED 0x00000001
#define MIN_REQUIRED_BLOCKS 24
//
// Memory Page Table
//
typedef struct {
UINTN StartPageOffset; // Offset of the starting page allocated.
// Only available for USED pages.
UINT32 PageFlag; // Page Attributes.
} RT_MEMORY_PAGE_ENTRY;
typedef struct {
UINTN PageCount;
UINTN LastEmptyPageOffset;
UINT8 *DataAreaBase; // Pointer to data Area.
RT_MEMORY_PAGE_ENTRY Pages[1]; // Page Table Entries.
} RT_MEMORY_PAGE_TABLE;
//
// Global Page Table for Runtime Cryptographic Provider.
//
RT_MEMORY_PAGE_TABLE *mRTPageTable = NULL;
//
// Event for Runtime Address Conversion.
//
EFI_EVENT mVirtualAddressChangeEvent;
/**
Initializes pre-allocated memory pointed by ScratchBuffer for subsequent
runtime use.
@param[in, out] ScratchBuffer Pointer to user-supplied memory buffer.
@param[in] ScratchBufferSize Size of supplied buffer in bytes.
@retval EFI_SUCCESS Successful initialization.
**/
EFI_STATUS
InitializeScratchMemory (
IN OUT UINT8 *ScratchBuffer,
IN UINTN ScratchBufferSize
)
{
UINTN Index;
UINTN MemorySize;
//
// Parameters Checking
//
if (ScratchBuffer == NULL) {
return EFI_INVALID_PARAMETER;
}
if (ScratchBufferSize < MIN_REQUIRED_BLOCKS * 1024) {
return EFI_BUFFER_TOO_SMALL;
}
mRTPageTable = (RT_MEMORY_PAGE_TABLE *)ScratchBuffer;
//
// Initialize Internal Page Table for Memory Management
//
SetMem (mRTPageTable, ScratchBufferSize, 0xFF);
MemorySize = ScratchBufferSize - sizeof (RT_MEMORY_PAGE_TABLE) + sizeof (RT_MEMORY_PAGE_ENTRY);
mRTPageTable->PageCount = MemorySize / (RT_PAGE_SIZE + sizeof (RT_MEMORY_PAGE_ENTRY));
mRTPageTable->LastEmptyPageOffset = 0x0;
for (Index = 0; Index < mRTPageTable->PageCount; Index++) {
mRTPageTable->Pages[Index].PageFlag = RT_PAGE_FREE;
mRTPageTable->Pages[Index].StartPageOffset = 0;
}
mRTPageTable->DataAreaBase = ScratchBuffer + sizeof (RT_MEMORY_PAGE_TABLE) +
(mRTPageTable->PageCount - 1) * sizeof (RT_MEMORY_PAGE_ENTRY);
return EFI_SUCCESS;
}
/**
Look-up Free memory Region for object allocation.
@param[in] AllocationSize Bytes to be allocated.
@return Return available page offset for object allocation.
**/
UINTN
LookupFreeMemRegion (
IN UINTN AllocationSize
)
{
UINTN StartPageIndex;
UINTN Index;
UINTN SubIndex;
UINTN ReqPages;
StartPageIndex = RT_SIZE_TO_PAGES (mRTPageTable->LastEmptyPageOffset);
ReqPages = RT_SIZE_TO_PAGES (AllocationSize);
//
// Look up the free memory region with in current memory map table.
//
for (Index = StartPageIndex; Index <= (mRTPageTable->PageCount - ReqPages); ) {
//
// Check consecutive ReqPages pages.
//
for (SubIndex = 0; SubIndex < ReqPages; SubIndex++) {
if ((mRTPageTable->Pages[SubIndex + Index].PageFlag & RT_PAGE_USED) != 0) {
break;
}
}
if (SubIndex == ReqPages) {
//
// Succeed! Return the Starting Offset.
//
return RT_PAGES_TO_SIZE (Index);
}
//
// Failed! Skip current free memory pages and adjacent Used pages
//
while ((mRTPageTable->Pages[SubIndex + Index].PageFlag & RT_PAGE_USED) != 0) {
SubIndex++;
}
Index += SubIndex;
}
//
// Look up the free memory region from the beginning of the memory table
// until the StartCursorOffset
//
for (Index = 0; Index < (StartPageIndex - ReqPages); ) {
//
// Check Consecutive ReqPages Pages.
//
for (SubIndex = 0; SubIndex < ReqPages; SubIndex++) {
if ((mRTPageTable->Pages[SubIndex + Index].PageFlag & RT_PAGE_USED) != 0) {
break;
}
}
if (SubIndex == ReqPages) {
//
// Succeed! Return the Starting Offset.
//
return RT_PAGES_TO_SIZE (Index);
}
//
// Failed! Skip current adjacent Used pages
//
while ((SubIndex < (StartPageIndex - ReqPages)) &&
((mRTPageTable->Pages[SubIndex + Index].PageFlag & RT_PAGE_USED) != 0)) {
SubIndex++;
}
Index += SubIndex;
}
//
// No availabe region for object allocation!
//
return (UINTN)(-1);
}
/**
Allocates a buffer at runtime phase.
@param[in] AllocationSize Bytes to be allocated.
@return A pointer to the allocated buffer or NULL if allocation fails.
**/
VOID *
RuntimeAllocateMem (
IN UINTN AllocationSize
)
{
UINT8 *AllocPtr;
UINTN ReqPages;
UINTN Index;
UINTN StartPage;
UINTN AllocOffset;
AllocPtr = NULL;
ReqPages = 0;
//
// Look for available consecutive memory region starting from LastEmptyPageOffset.
// If no proper memory region found, look up from the beginning.
// If still not found, return NULL to indicate failed allocation.
//
AllocOffset = LookupFreeMemRegion (AllocationSize);
if (AllocOffset == (UINTN)(-1)) {
return NULL;
}
//
// Allocates consecutive memory pages with length of Size. Update the page
// table status. Returns the starting address.
//
ReqPages = RT_SIZE_TO_PAGES (AllocationSize);
AllocPtr = mRTPageTable->DataAreaBase + AllocOffset;
StartPage = RT_SIZE_TO_PAGES (AllocOffset);
Index = 0;
while (Index < ReqPages) {
mRTPageTable->Pages[StartPage + Index].PageFlag |= RT_PAGE_USED;
mRTPageTable->Pages[StartPage + Index].StartPageOffset = AllocOffset;
Index++;
}
mRTPageTable->LastEmptyPageOffset = AllocOffset + RT_PAGES_TO_SIZE (ReqPages);
ZeroMem (AllocPtr, AllocationSize);
//
// Returns a void pointer to the allocated space
//
return AllocPtr;
}
/**
Frees a buffer that was previously allocated at runtime phase.
@param[in] Buffer Pointer to the buffer to free.
**/
VOID
RuntimeFreeMem (
IN VOID *Buffer
)
{
UINTN StartOffset;
UINTN StartPageIndex;
StartOffset = (UINTN) ((UINT8 *)Buffer - mRTPageTable->DataAreaBase);
StartPageIndex = RT_SIZE_TO_PAGES (mRTPageTable->Pages[RT_SIZE_TO_PAGES(StartOffset)].StartPageOffset);
while (StartPageIndex < mRTPageTable->PageCount) {
if (((mRTPageTable->Pages[StartPageIndex].PageFlag & RT_PAGE_USED) != 0) &&
(mRTPageTable->Pages[StartPageIndex].StartPageOffset == StartOffset)) {
//
// Free this page
//
mRTPageTable->Pages[StartPageIndex].PageFlag &= ~RT_PAGE_USED;
mRTPageTable->Pages[StartPageIndex].PageFlag |= RT_PAGE_FREE;
mRTPageTable->Pages[StartPageIndex].StartPageOffset = 0;
StartPageIndex++;
} else {
break;
}
}
return;
}
/**
Notification function of EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE.
This is a notification function registered on EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE
event. It converts a pointer to a new virtual address.
@param[in] Event The event whose notification function is being invoked.
@param[in] Context The pointer to the notification function's context.
**/
VOID
EFIAPI
RuntimeCryptLibAddressChangeEvent (
IN EFI_EVENT Event,
IN VOID *Context
)
{
//
// Converts a pointer for runtime memory management to a new virtual address.
//
EfiConvertPointer (0x0, (VOID **) &mRTPageTable->DataAreaBase);
EfiConvertPointer (0x0, (VOID **) &mRTPageTable);
}
/**
Constructor routine for runtime crypt library instance.
The constructor function pre-allocates space for runtime cryptographic operation.
@param ImageHandle The firmware allocated handle for the EFI image.
@param SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS The construction succeeded.
@retval EFI_OUT_OF_RESOURCE Failed to allocate memory.
**/
EFI_STATUS
EFIAPI
RuntimeCryptLibConstructor (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
VOID *Buffer;
//
// Pre-allocates runtime space for possible cryptographic operations
//
Buffer = AllocateRuntimePool (MIN_REQUIRED_BLOCKS * 1024);
Status = InitializeScratchMemory (Buffer, MIN_REQUIRED_BLOCKS * 1024);
if (EFI_ERROR (Status)) {
return Status;
}
//
// Create address change event
//
Status = gBS->CreateEventEx (
EVT_NOTIFY_SIGNAL,
TPL_NOTIFY,
RuntimeCryptLibAddressChangeEvent,
NULL,
&gEfiEventVirtualAddressChangeGuid,
&mVirtualAddressChangeEvent
);
ASSERT_EFI_ERROR (Status);
return Status;
}
//
// -- Memory-Allocation Routines Wrapper for UEFI-OpenSSL Library --
//
/* Allocates memory blocks */
void *malloc (size_t size)
{
return RuntimeAllocateMem ((UINTN)size);
}
/* Reallocate memory blocks */
void *realloc (void *ptr, size_t size)
{
VOID *NewPtr;
UINTN StartOffset;
UINTN StartPageIndex;
UINTN PageCount;
//
// Get Original Size of ptr
//
StartOffset = (UINTN) ((UINT8 *)ptr - mRTPageTable->DataAreaBase);
StartPageIndex = RT_SIZE_TO_PAGES (mRTPageTable->Pages[RT_SIZE_TO_PAGES (StartOffset)].StartPageOffset);
PageCount = 0;
while (StartPageIndex < mRTPageTable->PageCount) {
if (((mRTPageTable->Pages[StartPageIndex].PageFlag & RT_PAGE_USED) != 0) &&
(mRTPageTable->Pages[StartPageIndex].StartPageOffset == StartOffset)) {
StartPageIndex++;
PageCount++;
} else {
break;
}
}
if (size <= RT_PAGES_TO_SIZE (PageCount)) {
//
// Return the original pointer, if Caller try to reduce region size;
//
return ptr;
}
NewPtr = RuntimeAllocateMem ((UINTN) size);
if (NewPtr == NULL) {
return NULL;
}
CopyMem (NewPtr, ptr, RT_PAGES_TO_SIZE (PageCount));
RuntimeFreeMem (ptr);
return NewPtr;
}
/* Deallocates or frees a memory block */
void free (void *ptr)
{
RuntimeFreeMem (ptr);
}

102
CryptoPkg/Library/BaseCryptLib/SysCall/TimerWrapper.c Normal file
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/** @file
C Run-Time Libraries (CRT) Time Management Routines Wrapper Implementation
for OpenSSL-based Cryptographic Library (used in DXE & RUNTIME).
Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
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.
**/
#include <Uefi.h>
#include <OpenSslSupport.h>
#include <Library/UefiRuntimeServicesTableLib.h>
//
// -- Time Management Routines --
//
#define IsLeap(y) (((y) % 4) == 0 && (((y) % 100) != 0 || ((y) % 400) == 0))
#define SECSPERHOUR (60 * 60)
#define SECSPERDAY (24 * SECSPERHOUR)
//
// The arrays give the cumulative number of days up to the first of the
// month number used as the index (1 -> 12) for regular and leap years.
// The value at index 13 is for the whole year.
//
UINTN CumulativeDays[2][14] = {
{
0,
0,
31,
31 + 28,
31 + 28 + 31,
31 + 28 + 31 + 30,
31 + 28 + 31 + 30 + 31,
31 + 28 + 31 + 30 + 31 + 30,
31 + 28 + 31 + 30 + 31 + 30 + 31,
31 + 28 + 31 + 30 + 31 + 30 + 31 + 31,
31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30,
31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31,
31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30,
31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30 + 31
},
{
0,
0,
31,
31 + 29,
31 + 29 + 31,
31 + 29 + 31 + 30,
31 + 29 + 31 + 30 + 31,
31 + 29 + 31 + 30 + 31 + 30,
31 + 29 + 31 + 30 + 31 + 30 + 31,
31 + 29 + 31 + 30 + 31 + 30 + 31 + 31,
31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30,
31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31,
31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30,
31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30 + 31
}
};
/* Get the system time as seconds elapsed since midnight, January 1, 1970. */
//INTN time(
// INTN *timer
// )
time_t time (time_t *timer)
{
EFI_TIME Time;
UINTN Year;
//
// Get the current time and date information
//
gRT->GetTime (&Time, NULL);
//
// Years Handling
// UTime should now be set to 00:00:00 on Jan 1 of the current year.
//
for (Year = 1970, *timer = 0; Year != Time.Year; Year++) {
*timer = *timer + (time_t)(CumulativeDays[IsLeap(Year)][13] * SECSPERDAY);
}
//
// Add in number of seconds for current Month, Day, Hour, Minute, Seconds, and TimeZone adjustment
//
*timer = *timer +
(time_t)((Time.TimeZone != EFI_UNSPECIFIED_TIMEZONE) ? (Time.TimeZone * 60) : 0) +
(time_t)(CumulativeDays[IsLeap(Time.Year)][Time.Month] * SECSPERDAY) +
(time_t)(((Time.Day > 0) ? Time.Day - 1 : 0) * SECSPERDAY) +
(time_t)(Time.Hour * SECSPERHOUR) +
(time_t)(Time.Minute * 60) +
(time_t)Time.Second;
return *timer;
}