diff --git a/reactos/dll/ntdll/def/ntdll_arm.def b/reactos/dll/ntdll/def/ntdll_arm.def index e6fede57361..e5e680ad0ab 100644 --- a/reactos/dll/ntdll/def/ntdll_arm.def +++ b/reactos/dll/ntdll/def/ntdll_arm.def @@ -621,7 +621,7 @@ RtlQueueWorkItem RtlRaiseException RtlRaiseStatus RtlRandom -RtlRandomEx=RtlRandom +RtlRandomEx RtlReAllocateHeap RtlRealPredecessor RtlRealSuccessor diff --git a/reactos/dll/ntdll/def/ntdll_i386.def b/reactos/dll/ntdll/def/ntdll_i386.def index 94e4d0a46bf..6c090ba6b23 100644 --- a/reactos/dll/ntdll/def/ntdll_i386.def +++ b/reactos/dll/ntdll/def/ntdll_i386.def @@ -827,7 +827,7 @@ RtlQueueWorkItem@12 RtlRaiseException@4 RtlRaiseStatus@4 RtlRandom@4 -RtlRandomEx=RtlRandom@4 +RtlRandomEx@4 RtlReAllocateHeap@16 ;RtlReadMemoryStream ;RtlReadOutOfProcessMemoryStream diff --git a/reactos/lib/rtl/i386/random_asm.S b/reactos/lib/rtl/i386/random_asm.S deleted file mode 100644 index 3021e626aa9..00000000000 --- a/reactos/lib/rtl/i386/random_asm.S +++ /dev/null @@ -1,245 +0,0 @@ -/* - * COPYRIGHT: See COPYING in the top level directory - * PROJECT: ReactOS kernel - * FILE: ranom.asm - * PURPOSE: Random number generator functions - * PROGRAMMER: Magnus Olsen (magnusolsen@greatlord.com) - * UPDATE HISTORY: - * Created 27/07/2005 - */ - -.intel_syntax noprefix - -/* GLOBALS ****************************************************************/ - -.globl _RtlRandom@4 // [1] (no bug) (max optimze code) -.globl _RtlUniform@4 // [2] (no bug) (max optimze code) -.globl _SavedValue // [3] (no bug) (max optimze code) - -/* FUNCTIONS ***************************************************************/ - -_RtlRandom@4: - // load pointer - mov ecx,[esp+4] - mov eax,[ecx] - - // Result = *Seed * 0xffffffed + 0x7fffffc3 // take now 3 cycles - lea edx,[eax + eax * 8] - - lea eax,[eax + edx * 2 + 2147483709 ] // + 2147483709 - neg eax - - cmp eax,-1 - je .RtlRandom_Rand1 - cmp eax, 2147483646 - je .RtlRandom_Rand1 - - cmp eax, 2147483647 - je .RtlRandom_Rand2 - - test eax,eax - jns .RtlRandom_Rand3 - - // else { - mov edx,eax - and edx,1 - add eax,edx - and eax,2147483647 - mov [ecx],eax - jmp .RtlRandom_Seed - -.RtlRandom_Rand1: - // if (Result == 0xffffffff || Result == 0x7ffffffe) - add eax, 2 - and eax, 2147483647 - mov [ecx],eax - jmp .RtlRandom_Seed - -.RtlRandom_Rand2: - // else if (Result == 0x7fffffff) - xor eax,eax - mov [ecx],eax - jmp .RtlRandom_Seed - -.RtlRandom_Rand3: - // else if ((Result & 0x80000000) == 0) - mov edx,eax - xor edx,-1 // not edx lock all clock until it finsish, but xor does not do that - and edx,1 - add eax,edx - mov [ecx],eax - -.RtlRandom_Seed: - mov eax,[ecx] - - // Result = *Seed * 0xffffffed + 0x7fffffc3 // take now 3 cycles - lea edx,[eax + eax * 8] - - lea eax,[eax + edx * 2 + 2147483709 ] // + 2147483709 09-18 - neg eax - - cmp eax,-1 - je .RtlRandom_Seed1 - cmp eax, 2147483646 - je .RtlRandom_Seed1 - - cmp eax, 2147483647 - je .RtlRandom_Seed2 - - test eax,eax - jns .RtlRandom_Seed3 - - // else { - mov edx,eax - and edx,1 - add eax,edx - and eax,2147483647 - - // end - mov edx,[ecx] - mov [ecx],eax - - mov ecx,eax // pos - and ecx, 0x7f // pos = seed & 0x7f - mov eax,ecx// - mov eax, [_SavedValue + ecx*4] - mov [_SavedValue + ecx*4], edx - ret 4 - -.RtlRandom_Seed1: - // if (Result == 0xffffffff || Result == 0x7ffffffe) - add eax, 2 - and eax, 2147483647 - - // end - mov edx,[ecx] - mov [ecx],eax - - mov ecx,eax // pos - and ecx, 0x7f // pos = seed & 0x7f - mov eax,ecx// - mov eax, [_SavedValue + ecx*4] - mov [_SavedValue + ecx*4], edx - ret 4 - -.RtlRandom_Seed2: - // else if (Result == 0x7fffffff) - xor eax,eax - - // end - mov edx,[ecx] - mov [ecx],eax - - mov ecx,eax // pos - and ecx, 0x7f // pos = seed & 0x7f - mov eax,ecx// - mov eax, [_SavedValue + ecx*4] - mov [_SavedValue + ecx*4], edx - ret 4 - -.RtlRandom_Seed3: - // else if ((Result & 0x80000000) == 0) - mov edx,eax - xor edx,-1 // not edx lock all clock until it finsish, but xor does not do that - and edx,1 - add eax,edx - - // end - mov edx,[ecx] - mov [ecx],eax - - mov ecx,eax // pos - and ecx, 0x7f // pos = seed & 0x7f - mov eax,ecx// - mov eax, [_SavedValue + ecx*4] - mov [_SavedValue + ecx*4], edx - ret 4 - -// prototype: ULONG STDCALL RtlUniform (PULONG Seed) -_RtlUniform@4: - // load pointer - mov ecx,[esp+4] - mov eax,[ecx] - - // Result = *Seed * 0xffffffed + 0x7fffffc3 // take now 3 cycles - lea edx,[eax + eax * 8] - - lea eax,[eax + edx * 2 + 2147483709 ] // + 2147483709 09-18 - neg eax - - cmp eax,-1 - je .RtlUniform_jump1 - cmp eax, 2147483646 - je .RtlUniform_jump1 - - cmp eax, 2147483647 - je .RtlUniform_jump2 - - test eax,eax - jns .RtlUniform_jump3 - - // else { - mov edx,eax - and edx,1 - add eax,edx - and eax,2147483647 - mov [ecx],eax - ret 4 - -.RtlUniform_jump1: - // if (Result == 0xffffffff || Result == 0x7ffffffe) - add eax, 2 - and eax, 2147483647 - mov [ecx],eax - ret 4 - -.RtlUniform_jump2: - // else if (Result == 0x7fffffff) - xor eax,eax - mov [ecx],eax - ret 4 - -.RtlUniform_jump3: - // else if ((Result & 0x80000000) == 0) - mov edx,eax - xor edx,-1 // not edx lock all clock until it finsish, but xor does not do that - and edx,1 - add eax,edx - mov [ecx],eax - ret 4 - -.data -// SavedValue[128] -_SavedValue: - .long 0x4c8bc0aa, 0x4c022957, 0x2232827a, 0x2f1e7626 - .long 0x7f8bdafb, 0x5c37d02a, 0x0ab48f72, 0x2f0c4ffa - .long 0x290e1954, 0x6b635f23, 0x5d3885c0, 0x74b49ff8 - .long 0x5155fa54, 0x6214ad3f, 0x111e9c29, 0x242a3a09 - .long 0x75932ae1, 0x40ac432e, 0x54f7ba7a, 0x585ccbd5 - .long 0x6df5c727, 0x0374dad1, 0x7112b3f1, 0x735fc311 - .long 0x404331a9, 0x74d97781, 0x64495118, 0x323e04be - .long 0x5974b425, 0x4862e393, 0x62389c1d, 0x28a68b82 - .long 0x0f95da37, 0x7a50bbc6, 0x09b0091c, 0x22cdb7b4 - .long 0x4faaed26, 0x66417ccd, 0x189e4bfa, 0x1ce4e8dd - .long 0x5274c742, 0x3bdcf4dc, 0x2d94e907, 0x32eac016 - .long 0x26d33ca3, 0x60415a8a, 0x31f57880, 0x68c8aa52 - .long 0x23eb16da, 0x6204f4a1, 0x373927c1, 0x0d24eb7c - .long 0x06dd7379, 0x2b3be507, 0x0f9c55b1, 0x2c7925eb - .long 0x36d67c9a, 0x42f831d9, 0x5e3961cb, 0x65d637a8 - .long 0x24bb3820, 0x4d08e33d, 0x2188754f, 0x147e409e - .long 0x6a9620a0, 0x62e26657, 0x7bd8ce81, 0x11da0abb - .long 0x5f9e7b50, 0x23e444b6, 0x25920c78, 0x5fc894f0 - .long 0x5e338cbb, 0x404237fd, 0x1d60f80f, 0x320a1743 - .long 0x76013d2b, 0x070294ee, 0x695e243b, 0x56b177fd - .long 0x752492e1, 0x6decd52f, 0x125f5219, 0x139d2e78 - .long 0x1898d11e, 0x2f7ee785, 0x4db405d8, 0x1a028a35 - .long 0x63f6f323, 0x1f6d0078, 0x307cfd67, 0x3f32a78a - .long 0x6980796c, 0x462b3d83, 0x34b639f2, 0x53fce379 - .long 0x74ba50f4, 0x1abc2c4b, 0x5eeaeb8d, 0x335a7a0d - .long 0x3973dd20, 0x0462d66b, 0x159813ff, 0x1e4643fd - .long 0x06bc5c62, 0x3115e3fc, 0x09101613, 0x47af2515 - .long 0x4f11ec54, 0x78b99911, 0x3db8dd44, 0x1ec10b9b - .long 0x5b5506ca, 0x773ce092, 0x567be81a, 0x5475b975 - .long 0x7a2cde1a, 0x494536f5, 0x34737bb4, 0x76d9750b - .long 0x2a1f6232, 0x2e49644d, 0x7dddcbe7, 0x500cebdb - .long 0x619dab9e, 0x48c626fe, 0x1cda3193, 0x52dabe9d diff --git a/reactos/lib/rtl/random.c b/reactos/lib/rtl/random.c index d3a5ed9aa45..bbd40565573 100644 --- a/reactos/lib/rtl/random.c +++ b/reactos/lib/rtl/random.c @@ -132,37 +132,16 @@ RtlRandomEx( IN OUT PULONG Seed * function and our function return a random number uniformly * distributed over [0..MAXLONG-1]. */ -ULONG NTAPI -RtlUniform (PULONG Seed) +ULONG +NTAPI +RtlUniform(IN PULONG Seed) { - ULONG Result; + ULONG Result; - /* - * Instead of the algorithm stated above, we use the algorithm - * below, which is totally equivalent (see the tests), but does - * not use a division and therefore is faster. - */ - Result = *Seed * 0xffffffed + 0x7fffffc3; + /* Generate the random number */ + Result = (*Seed * 0x7fffffed + 0x7fffffc3) % MAXLONG; - if (Result == 0xffffffff || Result == 0x7ffffffe) - { - Result = (Result + 2) & MAXLONG; - } - else if (Result == 0x7fffffff) - { - Result = 0; - } - else if ((Result & 0x80000000) == 0) - { - Result = Result + (~Result & 1); - } - else - { - Result = (Result + (Result & 1)) & MAXLONG; - } - - *Seed = Result; - - return Result; + /* Return it */ + *Seed = Result; + return Result; } -/* EOF */ diff --git a/reactos/lib/rtl/rtl.rbuild b/reactos/lib/rtl/rtl.rbuild index 49fb937ce45..00664ba581c 100644 --- a/reactos/lib/rtl/rtl.rbuild +++ b/reactos/lib/rtl/rtl.rbuild @@ -13,7 +13,6 @@ except_asm.s except.c interlck.S - random_asm.S rtlswap.S rtlmem.s res_asm.s