[ion] 23830: - Write new, optimized, small, working and clean functions (fixes booting, last few commits broke it for me): - RtlCompareMemory - RtlCompareMemoryUlong - RtlFillMemory - RtlFillMemoryUlong - RtlFillMemoryUlongUlong - RtlMoveMemory - RtlZeroMemory - RtlPrefetchMemoryNonTemporal - RtlUshortByteSwap - RtlUlongByteSwap - RtlUlonglongByteSwap
Author: ion Date: Thu Aug 31 05:20:55 2006 New Revision: 23830
URL: http://svn.reactos.org/svn/reactos?rev=23830&view=rev Log: - Write new, optimized, small, working and clean functions (fixes booting, last few commits broke it for me): - RtlCompareMemory - RtlCompareMemoryUlong - RtlFillMemory - RtlFillMemoryUlong - RtlFillMemoryUlongUlong - RtlMoveMemory - RtlZeroMemory - RtlPrefetchMemoryNonTemporal - RtlUshortByteSwap - RtlUlongByteSwap - RtlUlonglongByteSwap
Added: trunk/reactos/lib/rtl/i386/rtlmem.s trunk/reactos/lib/rtl/i386/rtlswap.S Removed: trunk/reactos/lib/rtl/i386/comparememory_asm.s trunk/reactos/lib/rtl/i386/comparememory_ulong_asm.s trunk/reactos/lib/rtl/i386/fillmemory_asm.s trunk/reactos/lib/rtl/i386/fillmemory_ulong_asm.s trunk/reactos/lib/rtl/i386/memgeni386.c trunk/reactos/lib/rtl/i386/prefetchmemory_asm.s trunk/reactos/lib/rtl/i386/rtlulongbyteswap.s trunk/reactos/lib/rtl/i386/rtlulonglongbyteswap.s trunk/reactos/lib/rtl/i386/rtlushortbyteswap.s trunk/reactos/lib/rtl/mem.c trunk/reactos/lib/rtl/memgen.c Modified: trunk/reactos/lib/rtl/rtl.rbuild
Removed: trunk/reactos/lib/rtl/i386/comparememory_asm.s URL: http://svn.reactos.org/svn/reactos/trunk/reactos/lib/rtl/i386/comparememory_... ============================================================================== --- trunk/reactos/lib/rtl/i386/comparememory_asm.s (original) +++ trunk/reactos/lib/rtl/i386/comparememory_asm.s (removed) @@ -1,44 +1,0 @@ -/* - * COPYRIGHT: See COPYING in the top level directory - * PROJECT: ReactOS kernel - * FILE: comparememory_asm.S - * PURPOSE: Memory functions - * PROGRAMMERS: Patrick Baggett (baggett.patrick@gmail.com) - * Alex Ionescu (alex@relsoft.net) - * Magnus Olsen (magnusolsen@greatlord.com) - */ - -.intel_syntax noprefix - -/* GLOBALS ****************************************************************/ - -.globl _RtlCompareMemory@12 // [4] (no bug) - -/* FUNCTIONS ***************************************************************/ - -_RtlCompareMemory@12: - xor eax,eax // count = 0 - mov ecx, dword [esp + 12 ] // ecx = Length - cmp ecx,0 // if (Length==0) goto .zero - je 3f - - push edi// register that does not to be save eax,ecx,edx to - push ebx// the stack for protetion - - mov edi, dword [esp + (4 + 8)] // edi = Destination - mov edx, dword [esp + (8 + 8)] // edx = Source - -1: - mov bl,byte [edi + eax ] // if (src[count]!=des[count]) goto .pop_zero - cmp byte [edx + eax ],bl - jne 2f - - inc eax // count = count + 1 - dec ecx // Length = Length - 1 - jnz 1b // if (Length!=0) goto .loop_1byte - -2: - pop ebx // restore regiester - pop edi -3: - ret 12 // return count
Removed: trunk/reactos/lib/rtl/i386/comparememory_ulong_asm.s URL: http://svn.reactos.org/svn/reactos/trunk/reactos/lib/rtl/i386/comparememory_... ============================================================================== --- trunk/reactos/lib/rtl/i386/comparememory_ulong_asm.s (original) +++ trunk/reactos/lib/rtl/i386/comparememory_ulong_asm.s (removed) @@ -1,44 +1,0 @@ -/* - * COPYRIGHT: See COPYING in the top level directory - * PROJECT: ReactOS kernel - * FILE: comparememory_ulong_asm.S - * PURPOSE: Memory functions - * PROGRAMMERS: Patrick Baggett (baggett.patrick@gmail.com) - * Alex Ionescu (alex@relsoft.net) - * Magnus Olsen (magnusolsen@greatlord.com) - */ - -.intel_syntax noprefix - -/* GLOBALS ****************************************************************/ - -.globl _RtlCompareMemoryUlong@12 // [5] (no bug) - -/* FUNCTIONS ***************************************************************/ - -_RtlCompareMemoryUlong@12: - xor eax,eax - mov ecx, dword [esp + 8 ] // ecx = Length - shr ecx,2 // Length / sizeof(ULONG) - jz 1f // if (Length==0) goto .zero - - push edi// register that does not to be save eax,ecx,edx to - push ebx// the stack for protetion - - mov edi, dword [esp + (4 + 8)] // edx = Destination - mov eax, dword [esp + (12 + 8)] // ebx = value - mov ebx,ecx - cld - repe scasd - - inc ecx - mov eax,ebx - - sub eax,ecx - shl eax,2 - - pop ebx - pop edi - -1: - ret 12
Removed: trunk/reactos/lib/rtl/i386/fillmemory_asm.s URL: http://svn.reactos.org/svn/reactos/trunk/reactos/lib/rtl/i386/fillmemory_asm... ============================================================================== --- trunk/reactos/lib/rtl/i386/fillmemory_asm.s (original) +++ trunk/reactos/lib/rtl/i386/fillmemory_asm.s (removed) @@ -1,31 +1,0 @@ -/* - * COPYRIGHT: See COPYING in the top level directory - * PROJECT: ReactOS kernel - * FILE: fillmemory_asm.S - * PURPOSE: Memory functions - * PROGRAMMERS: Patrick Baggett (baggett.patrick@gmail.com) - * Alex Ionescu (alex@relsoft.net) - * Magnus Olsen (magnusolsen@greatlord.com) - */ - -.intel_syntax noprefix - -/* GLOBALS ****************************************************************/ - -.globl _RtlFillMemory@12 //[4] (no bug) - -/* FUNCTIONS ***************************************************************/ - -_RtlFillMemory@12: - mov ecx,dword [esp + 8 ] // ecx = Length - cmp ecx,0// if (Length==0) goto .zero - je 2f - - mov edx, dword [esp + 4] // edx = Destination - mov eax, dword [esp + 12] // eax = fill -1: - mov byte [edx + ecx -1],al // src[Length - 1] = fill - dec ecx // Length = Length - 1 - jnz 1b // if (Length!=0) goto .loop -2: - ret 12 // return
Removed: trunk/reactos/lib/rtl/i386/fillmemory_ulong_asm.s URL: http://svn.reactos.org/svn/reactos/trunk/reactos/lib/rtl/i386/fillmemory_ulo... ============================================================================== --- trunk/reactos/lib/rtl/i386/fillmemory_ulong_asm.s (original) +++ trunk/reactos/lib/rtl/i386/fillmemory_ulong_asm.s (removed) @@ -1,31 +1,0 @@ -/* - * COPYRIGHT: See COPYING in the top level directory - * PROJECT: ReactOS kernel - * FILE: fillmemory_ulong_asm.S - * PURPOSE: Memory functions - * PROGRAMMERS: Patrick Baggett (baggett.patrick@gmail.com) - * Alex Ionescu (alex@relsoft.net) - * Magnus Olsen (magnusolsen@greatlord.com) - */ - -.intel_syntax noprefix - -/* GLOBALS ****************************************************************/ - -.globl _RtlFillMemoryUlong@12 // (no bug) (max optimze code) - -/* FUNCTIONS ***************************************************************/ - -_RtlFillMemoryUlong@12: - mov ecx, dword [esp + 8 ] // Length - shr ecx,2// Length = Length / sizeof(ULONG) - jz 1f // if (Length==0) goto .zero - - push edi - mov edi, dword [esp + (4 + 4)] // Destination - mov eax, dword [esp + (12 + 4)] // Fill - cld - rep stosd// while (Length>0) {Destination[Length-1]=Fill// Length = Length - 1} - pop edi -1: - ret 12
Removed: trunk/reactos/lib/rtl/i386/memgeni386.c URL: http://svn.reactos.org/svn/reactos/trunk/reactos/lib/rtl/i386/memgeni386.c?r... ============================================================================== --- trunk/reactos/lib/rtl/i386/memgeni386.c (original) +++ trunk/reactos/lib/rtl/i386/memgeni386.c (removed) @@ -1,75 +1,0 @@ -/* COPYRIGHT: See COPYING in the top level directory - * PROJECT: ReactOS system libraries - * FILE: lib/rtl/mem.c - * PURPOSE: Memory functions - * PROGRAMMER: David Welch (welch@mcmail.com) - */ - -/* INCLUDES *****************************************************************/ - -#include <rtl.h> - -#define NDEBUG -#include <debug.h> - -#undef RtlUlonglongByteSwap -#undef RtlUlongByteSwap -#undef RtlUshortByteSwap - -USHORT UshortByteSwap (IN USHORT Source); -ULONG UlongByteSwap (IN ULONG Source); -ULONGLONG UlonglongByteSwap (IN ULONGLONG Source); - -/************************************************************************* - * RtlUshortByteSwap - * - * Swap the bytes of an unsigned short value. - * - * - * @implemented - */ -USHORT FASTCALL -RtlUshortByteSwap (IN USHORT Source) -{ - return UshortByteSwap (Source); -} - - - -/************************************************************************* - * RtlUlongByteSwap [NTDLL.@] - * - * Swap the bytes of an unsigned int value. - * - * - * @implemented - */ -ULONG -FASTCALL -RtlUlongByteSwap( - IN ULONG Source -) -{ - return UlongByteSwap(Source); -} - - -/************************************************************************* - * RtlUlonglongByteSwap - * - * Swap the bytes of an unsigned long long value. - * - * PARAMS - * i [I] Value to swap bytes of - * - * - * @implemented - */ -ULONGLONG FASTCALL -RtlUlonglongByteSwap (IN ULONGLONG Source) -{ - return UlonglongByteSwap(Source); -} - - -/* EOF */
Removed: trunk/reactos/lib/rtl/i386/prefetchmemory_asm.s URL: http://svn.reactos.org/svn/reactos/trunk/reactos/lib/rtl/i386/prefetchmemory... ============================================================================== --- trunk/reactos/lib/rtl/i386/prefetchmemory_asm.s (original) +++ trunk/reactos/lib/rtl/i386/prefetchmemory_asm.s (removed) @@ -1,30 +1,0 @@ -/* - * COPYRIGHT: See COPYING in the top level directory - * PROJECT: ReactOS kernel - * FILE: prefetchmemory_asm.S - * PURPOSE: Memory functions - * PROGRAMMERS: Patrick Baggett (baggett.patrick@gmail.com) - * Alex Ionescu (alex@relsoft.net) - * Magnus Olsen (magnusolsen@greatlord.com) - */ - -.intel_syntax noprefix - -/* GLOBALS ****************************************************************/ - -.globl @RtlPrefetchMemoryNonTemporal@8 - -/* FUNCTIONS ***************************************************************/ - -@RtlPrefetchMemoryNonTemporal@8: - ret /* Overwritten by ntoskrnl/ke/i386/kernel.c if SSE is supported (see Ki386SetProcessorFeatures() ) */ - - mov eax, [_Ke386CacheAlignment] // Get cache line size - - // This is fastcall, so ecx = address, edx = size -fetch_next_line: - prefetchnta byte ptr [ecx] // prefechnta(address) - add ecx, eax // address = address + cache_line_size - sub edx, eax // count = count - cache_line_size - ja fetch_next_line // goto fetch_next_line - ret
Added: trunk/reactos/lib/rtl/i386/rtlmem.s URL: http://svn.reactos.org/svn/reactos/trunk/reactos/lib/rtl/i386/rtlmem.s?rev=2... ============================================================================== --- trunk/reactos/lib/rtl/i386/rtlmem.s (added) +++ trunk/reactos/lib/rtl/i386/rtlmem.s Thu Aug 31 05:20:55 2006 @@ -1,0 +1,312 @@ +/* + * COPYRIGHT: See COPYING in the top level directory + * PROJECT: ReactOS Run-Time Library + * PURPOSE: Memory functions + * FILE: lib/rtl/i386/rtlswap.S + * PROGRAMER: Alex Ionescu (alex.ionescu@reactos.org) + */ + +.intel_syntax noprefix + +/* GLOBALS *******************************************************************/ + +.globl _RtlCompareMemory@12 +.globl _RtlCompareMemoryUlong@12 +.globl _RtlFillMemory@12 +.globl _RtlFillMemoryUlong@12 +.globl _RtlMoveMemory@12 +.globl _RtlZeroMemory@8 +.globl @RtlPrefetchMemoryNonTemporal@8 + +/* FUNCTIONS *****************************************************************/ + +.func RtlCompareMemory@12 +_RtlCompareMemory@12: + + /* Save volatiles */ + push esi + push edi + + /* Clear direction flag and load pointers and size in ULONGs */ + cld + mov esi, [esp+12] + mov edi, [esp+16] + mov ecx, [esp+20] + shr ecx, 2 + jz NoUlongs + + /* Compare the ULONGs */ + repe cmpsd + jnz NotEqual + +NoUlongs: + + /* Compare what's left */ + mov ecx, [esp+20] + and ecx, 3 + jz NoneLeft + repe cmpsb + jnz NotEqual2 + +NoneLeft: + + /* We're done, return full count */ + mov eax, [esp+20] + pop edi + pop esi + ret 12 + +NotEqual: + /* Compare the last ULONG */ + sub esi, 4 + sub edi, 4 + mov ecx, 5 + repe cmpsb + +NotEqual2: + + /* Remember how many mathced */ + dec esi + sub esi, [esp+20] + + /* Return count */ + mov eax, esi + pop edi + pop esi + ret 12 +.endfunc + +.func RtlCompareMemoryUlong@12 +_RtlCompareMemoryUlong@12: + + /* Get pointers and size in ULONGs */ + push edi + mov edi, [esp+8] + mov ecx, [esp+12] + mov eax, [esp+16] + shr ecx, 2 + + /* Do the compare and check result */ + repe scasd + jz Done + sub esi, 4 + + /* Return count */ +Done: + sub edi, [esp+8] + mov eax, edi + pop edi + ret 12 +.endfunc + +.func RtlFillMemory@12 +_RtlFillMemory@12: + + /* Get pointers and size */ + push edi + mov edi, [esp+8] + mov ecx, [esp+12] + + /* Get pattern */ + mov al, [esp+16] + mov ah, al + shr eax, 16 + mov al, [esp+16] + mov ah, al + + /* Clear direction flag and set ULONG size and UCHAR remainder */ + cld + mov edx, ecx + and edx, 3 + shr ecx, 2 + + /* Do the fill */ + rep stosd + or ecx, ecx + jnz ByteFill + + /* Return */ + pop edi + ret 12 + +ByteFill: + /* Fill what's left */ + rep stosb + pop edi + ret 12 +.endfunc + +.func RtlFillMemoryUlong@12 +_RtlFillMemoryUlong@12: + + /* Get pointer, size and pattern */ + push edi + mov edi, [esp+8] + mov ecx, [esp+12] + mov eax, [esp+16] + shr ecx, 2 + + /* Do the fill and return */ + rep stosd + pop edi + ret 12 +.endfunc + +.func RtlFillMemoryUlonglong@16 +_RtlFillMemoryUlonglong@16: + + /* Save volatiles */ + push edi + push esi + + /* Get pointer, size and pattern */ + mov ecx, [esp+16] + mov esi, [esp+12] + mov eax, [esp+20] + shr ecx, 2 + sub ecx, 2 + + /* Save the first part */ + mov [esi], eax + + /* Read second part */ + mov eax, [esp+24] + lea edi, [esi+8] + mov [esi+4], eax + + /* Do the fill and return */ + rep movsd + pop esi + pop edi + ret 16 +.endfunc + +.func RtlZeroMemory@8 +_RtlZeroMemory@8: + + /* Get pointers and size */ + push edi + mov edi, [esp+8] + mov ecx, [esp+12] + + /* Get pattern */ + xor eax, eax + + /* Clear direction flag and set ULONG size and UCHAR remainder */ + cld + mov edx, ecx + and edx, 3 + shr ecx, 2 + + /* Do the fill */ + rep stosd + or ecx, ecx + jnz ByteZero + + /* Return */ + pop edi + ret 8 + +ByteZero: + /* Fill what's left */ + rep stosb + pop edi + ret 8 +.endfunc + +.func RtlMoveMemory@12 +_RtlMoveMemory@12: + + /* Save volatiles */ + push esi + push edi + + /* Get pointers and size */ + mov esi, [esp+16] + mov edi, [esp+12] + mov ecx, [esp+20] + cld + + /* Check for overlap */ + cmp esi, edi + jbe Overlap + + /* Set ULONG size and UCHAR remainder */ +DoMove: + mov edx, ecx + and edx, 3 + shr ecx, 2 + + /* Do the move */ + rep movsd + or ecx, ecx + jnz ByteMove + + /* Return */ + pop edi + pop esi + ret 12 + +ByteMove: + /* Move what's left */ + rep stosb + +DoneMove: + pop edi + pop esi + ret 12 + +Overlap: + /* Avoid full overlap */ + jz DoneMove + + /* Remove overlap */ + mov eax, edi + sub eax, esi + cmp ecx, eax + jbe DoMove + + /* Set direction flag for backward move */ + std + + /* Can only move some bytes, calculate how many */ + add esi, ecx + add edi, ecx + dec esi + dec edi + + /* Do the move, reset flag and return */ + rep movsb + cld + jmp DoneMove +.endfunc + +.func @RtlPrefetchMemoryNonTemporal@8, @RtlPrefetchMemoryNonTemporal@8 +@RtlPrefetchMemoryNonTemporal@8: + + /* + * Overwritten by ntoskrnl/ke/i386/kernel.c if SSE is supported + * (see Ki386SetProcessorFeatures()) + */ + ret + + /* Get granularity */ + mov eax, [_Ke386CacheAlignment] + +FetchLine: + + /* Prefetch this line */ + prefetchnta byte ptr [ecx] + + /* Update address and count */ + add ecx, eax + sub edx, eax + + /* Keep looping for the next line, or return if done */ + ja FetchLine + ret +.endfunc + +/* FIXME: HACK */ +_Ke386CacheAlignment: + .long 0x40
Added: trunk/reactos/lib/rtl/i386/rtlswap.S URL: http://svn.reactos.org/svn/reactos/trunk/reactos/lib/rtl/i386/rtlswap.S?rev=... ============================================================================== --- trunk/reactos/lib/rtl/i386/rtlswap.S (added) +++ trunk/reactos/lib/rtl/i386/rtlswap.S Thu Aug 31 05:20:55 2006 @@ -1,0 +1,53 @@ +/* + * COPYRIGHT: See COPYING in the top level directory + * PROJECT: ReactOS Run-Time Library + * PURPOSE: Byte swap functions + * FILE: lib/rtl/i386/rtlswap.S + * PROGRAMER: Alex Ionescu (alex.ionescu@reactos.org) + */ + +.intel_syntax noprefix + +.globl @RtlUshortByteSwap@4 +.globl @RtlUlongByteSwap@4 +.globl @RtlUlonglongByteSwap@8 + +/* FUNCTIONS ***************************************************************/ + +.func @RtlUshortByteSwap@4, @RtlUshortByteSwap@4 +@RtlUshortByteSwap@4: + + /* Swap high and low bits */ + mov ah, cl + mov al, ch + ret +.endfunc + +.func @RtlUlongByteSwap@4, @RtlUlongByteSwap@4 +@RtlUlongByteSwap@4: + + /* Swap high and low bits */ + mov eax, ecx + bswap eax + ret +.endfunc + +.func @RtlUlonglongByteSwap@8, @RtlUlonglongByteSwap@8 +@RtlUlonglongByteSwap@8: + + /* Get 64-bit integer */ + mov edx, [esp+8] + mov eax, [esp+4] + + /* Swap it */ + bswap edx + bswap eax + + /* Return it */ + mov ecx, eax + mov eax, edx + mov edx, ecx + ret +.endfunc + +
Removed: trunk/reactos/lib/rtl/i386/rtlulongbyteswap.s URL: http://svn.reactos.org/svn/reactos/trunk/reactos/lib/rtl/i386/rtlulongbytesw... ============================================================================== --- trunk/reactos/lib/rtl/i386/rtlulongbyteswap.s (original) +++ trunk/reactos/lib/rtl/i386/rtlulongbyteswap.s (removed) @@ -1,21 +1,0 @@ -/* - * COPYRIGHT: See COPYING in the top level directory - * PROJECT: ReactOS kernel - * PURPOSE: Run-Time Library - * FILE: lib/rtl/i386/RtlUlongByteSwap.S - * PROGRAMER: Magnus Olsen (magnus@greatlord.com) - */ - -.globl _UlongByteSwap - -.intel_syntax noprefix - -/* FUNCTIONS ***************************************************************/ - -_UlongByteSwap: - push ebp // save base - mov ebp,esp // move stack to base - mov eax,[ebp+8] // load the ULONG - bswap eax // swap the ULONG - pop ebp // restore the base - ret
Removed: trunk/reactos/lib/rtl/i386/rtlulonglongbyteswap.s URL: http://svn.reactos.org/svn/reactos/trunk/reactos/lib/rtl/i386/rtlulonglongby... ============================================================================== --- trunk/reactos/lib/rtl/i386/rtlulonglongbyteswap.s (original) +++ trunk/reactos/lib/rtl/i386/rtlulonglongbyteswap.s (removed) @@ -1,23 +1,0 @@ -/* - * COPYRIGHT: See COPYING in the top level directory - * PROJECT: ReactOS kernel - * PURPOSE: Run-Time Library - * FILE: lib/rtl/i386/RtlUlonglongByteSwap.S - * PROGRAMER: Magnus Olsen (magnus@greatlord.com) - */ - -.globl _UlonglongByteSwap - -.intel_syntax noprefix - -/* FUNCTIONS ***************************************************************/ - -_UlonglongByteSwap: - push ebp // save base - mov ebp,esp // move stack to base - mov edx,[ebp+8] // load the higher part of ULONGLONG - mov eax,[ebp+12] // load the lower part of ULONGLONG - bswap edx // swap the higher part - bswap eax // swap the lower part - pop ebp // restore the base - ret
Removed: trunk/reactos/lib/rtl/i386/rtlushortbyteswap.s URL: http://svn.reactos.org/svn/reactos/trunk/reactos/lib/rtl/i386/rtlushortbytes... ============================================================================== --- trunk/reactos/lib/rtl/i386/rtlushortbyteswap.s (original) +++ trunk/reactos/lib/rtl/i386/rtlushortbyteswap.s (removed) @@ -1,22 +1,0 @@ -/* - * COPYRIGHT: See COPYING in the top level directory - * PROJECT: ReactOS kernel - * PURPOSE: Run-Time Library - * FILE: lib/rtl/i386/RtlUlongByteSwap.S - * PROGRAMER: Magnus Olsen (magnus@greatlord.com) - */ - -.globl _UshortByteSwap - -.intel_syntax noprefix - -/* FUNCTIONS ***************************************************************/ - -_UshortByteSwap: - push ebp // save base - mov ebp,esp // move stack to base - mov eax,[ebp+8] // load the USHORT - bswap eax // swap the USHORT, xchg is slow so we use bswap with rol - rol eax,16 // make it USHORT - pop ebp // restore the base - ret
Removed: trunk/reactos/lib/rtl/mem.c URL: http://svn.reactos.org/svn/reactos/trunk/reactos/lib/rtl/mem.c?rev=23829&... ============================================================================== --- trunk/reactos/lib/rtl/mem.c (original) +++ trunk/reactos/lib/rtl/mem.c (removed) @@ -1,173 +1,0 @@ -/* COPYRIGHT: See COPYING in the top level directory - * PROJECT: ReactOS system libraries - * FILE: lib/rtl/mem.c - * PURPOSE: Memory functions - * PROGRAMMER: David Welch (welch@mcmail.com) - */ - -/* INCLUDES *****************************************************************/ - -#include <rtl.h> - -#define NDEBUG -#include <debug.h> - - -/* FUNCTIONS *****************************************************************/ - -/****************************************************************************** - * RtlCompareMemory [NTDLL.@] - * - * Compare one block of memory with another - * - * PARAMS - * Source1 [I] Source block - * Source2 [I] Block to compare to Source1 - * Length [I] Number of bytes to fill - * - * RETURNS - * The length of the first byte at which Source1 and Source2 differ, or Length - * if they are the same. - * - * @implemented - */ -SIZE_T NTAPI -RtlCompareMemory(IN const VOID *Source1, - IN const VOID *Source2, - IN SIZE_T Length) -{ - SIZE_T i; - for(i=0; (i<Length) && (((PUCHAR)Source1)[i]==((PUCHAR)Source2)[i]); i++) - ; - return i; -} - - -/* - * @implemented - */ -ULONG -NTAPI -RtlCompareMemoryUlong ( - PVOID Source, - ULONG Length, - ULONG Value -) -/* - * FUNCTION: Compares a block of ULONGs with an ULONG and returns the number of equal bytes - * ARGUMENTS: - * Source = Block to compare - * Length = Number of bytes to compare - * Value = Value to compare - * RETURNS: Number of equal bytes - */ -{ - PULONG ptr = (PULONG)Source; - ULONG len = Length / sizeof(ULONG); - ULONG i; - - for (i = 0; i < len; i++) - { - if (*ptr != Value) - break; - ptr++; - } - - return (ULONG)((PCHAR)ptr - (PCHAR)Source); -} - - -#undef RtlFillMemory -/* - * @implemented - */ -VOID -NTAPI -RtlFillMemory ( - PVOID Destination, - ULONG Length, - UCHAR Fill -) -{ - memset(Destination, Fill, Length); -} - - - -/* - * @implemented - */ -VOID -NTAPI -RtlFillMemoryUlong ( - PVOID Destination, - ULONG Length, - ULONG Fill -) -{ - PULONG Dest = Destination; - ULONG Count = Length / sizeof(ULONG); - - while (Count > 0) - { - *Dest = Fill; - Dest++; - Count--; - } -} - - -#undef RtlMoveMemory -/* - * @implemented - */ -VOID -NTAPI -RtlMoveMemory ( - PVOID Destination, - CONST VOID * Source, - ULONG Length -) -{ - memmove ( - Destination, - Source, - Length - ); -} - -/* -* @implemented -*/ -VOID -FASTCALL -RtlPrefetchMemoryNonTemporal( - IN PVOID Source, - IN SIZE_T Length - ) -{ - /* By nature of prefetch, this is non-portable. */ - (void)Source; - (void)Length; -} - - -#undef RtlZeroMemory -/* - * @implemented - */ -VOID -NTAPI -RtlZeroMemory ( - PVOID Destination, - ULONG Length -) -{ - RtlFillMemory ( - Destination, - Length, - 0 - ); -} - -/* EOF */
Removed: trunk/reactos/lib/rtl/memgen.c URL: http://svn.reactos.org/svn/reactos/trunk/reactos/lib/rtl/memgen.c?rev=23829&... ============================================================================== --- trunk/reactos/lib/rtl/memgen.c (original) +++ trunk/reactos/lib/rtl/memgen.c (removed) @@ -1,77 +1,0 @@ -/* COPYRIGHT: See COPYING in the top level directory - * PROJECT: ReactOS system libraries - * FILE: lib/rtl/mem.c - * PURPOSE: Memory functions - * PROGRAMMER: David Welch (welch@mcmail.com) - */ - -/* INCLUDES *****************************************************************/ - -#include <rtl.h> - -#define NDEBUG -#include <debug.h> - -#undef RtlUlonglongByteSwap -#undef RtlUlongByteSwap -#undef RtlUshortByteSwap - -/************************************************************************* - * RtlUshortByteSwap - * - * Swap the bytes of an unsigned short value. - * - * NOTES - * Based on the inline versions in Wine winternl.h - * - * @implemented - */ -USHORT FASTCALL -RtlUshortByteSwap (IN USHORT Source) -{ - return (Source >> 8) | (Source << 8); -} - - - -/************************************************************************* - * RtlUlongByteSwap [NTDLL.@] - * - * Swap the bytes of an unsigned int value. - * - * NOTES - * Based on the inline versions in Wine winternl.h - * - * @implemented - */ -ULONG -FASTCALL -RtlUlongByteSwap( - IN ULONG Source -) -{ - return ((ULONG)RtlUshortByteSwap((USHORT)Source) << 16) | RtlUshortByteSwap((USHORT)(Source >> 16)); -} - - -/************************************************************************* - * RtlUlonglongByteSwap - * - * Swap the bytes of an unsigned long long value. - * - * PARAMS - * i [I] Value to swap bytes of - * - * RETURNS - * The value with its bytes swapped. - * - * @implemented - */ -ULONGLONG FASTCALL -RtlUlonglongByteSwap (IN ULONGLONG Source) -{ - return ((ULONGLONG) RtlUlongByteSwap (Source) << 32) | RtlUlongByteSwap (Source>>32); -} - - -/* EOF */
Modified: trunk/reactos/lib/rtl/rtl.rbuild URL: http://svn.reactos.org/svn/reactos/trunk/reactos/lib/rtl/rtl.rbuild?rev=2383... ============================================================================== --- trunk/reactos/lib/rtl/rtl.rbuild (original) +++ trunk/reactos/lib/rtl/rtl.rbuild Thu Aug 31 05:20:55 2006 @@ -22,37 +22,24 @@ <file>aullshr_asm.s</file> <file>ceil_asm.s</file> <file>chkstk_asm.s</file> - <file>comparememory_asm.s</file> - <file>comparememory_ulong_asm.s</file> <file>cos_asm.s</file> <file>debug_asm.S</file> <file>except_asm.s</file> <file>exception.c</file> <file>fabs_asm.s</file> - <file>fillmemory_asm.s</file> - <file>fillmemory_ulong_asm.s</file> <file>floor_asm.s</file> <file>ftol_asm.s</file> <file>log_asm.s</file> <file>random_asm.S</file> - <file>memgeni386.c</file> - <file>rtlushortbyteswap.s</file> - <file>rtlulongbyteswap.s</file> - <file>rtlulonglongbyteswap.s</file> + <file>rtlswap.S</file> + <file>rtlmem.S</file> <file>pow_asm.s</file> - <file>prefetchmemory_asm.s</file> <file>res_asm.s</file> <file>sin_asm.s</file> <file>sqrt_asm.s</file> <file>tan_asm.s</file> - <file>zeromemory_asm.s</file> </directory> </if> - - <ifnot property="ARCH" value="i386"> - <file>memgen.c</file> - </ifnot> - <file>access.c</file> <file>acl.c</file> <file>atom.c</file> @@ -73,7 +60,6 @@ <file>handle.c</file> <file>heap.c</file> <file>image.c</file> - <file>mem.c</file> <file>message.c</file> <file>largeint.c</file> <file>luid.c</file>
-
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