mirror of
https://github.com/hrydgard/ppsspp.git
synced 2024-11-23 05:19:56 +00:00
189 lines
6.3 KiB
C++
189 lines
6.3 KiB
C++
// Copyright (c) 2012- PPSSPP Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0 or later versions.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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#include "Core/HLE/HLE.h"
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#include "Core/HLE/FunctionWrappers.h"
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#include "Core/HLE/sceMd5.h"
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#include "Core/MemMap.h"
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#include "Core/Reporting.h"
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#include "Common/Crypto/md5.h"
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#include "Common/Crypto/sha1.h"
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#ifdef USE_CRT_DBG
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#undef new
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#endif
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// Not really sure where these belong - is it worth giving them their own file?
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u32 sceKernelUtilsMt19937Init(u32 ctx, u32 seed) {
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DEBUG_LOG(HLE, "sceKernelUtilsMt19937Init(%08x, %08x)", ctx, seed);
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if (!Memory::IsValidAddress(ctx))
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return -1;
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void *ptr = Memory::GetPointerWrite(ctx);
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// This is made to match the memory layout of a PSP MT structure exactly.
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// Let's just construct it in place with placement new. Elite C++ hackery FTW.
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new (ptr) MersenneTwister(seed);
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return 0;
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}
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u32 sceKernelUtilsMt19937UInt(u32 ctx) {
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VERBOSE_LOG(HLE, "sceKernelUtilsMt19937UInt(%08x)", ctx);
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if (!Memory::IsValidAddress(ctx))
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return -1;
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MersenneTwister *mt = (MersenneTwister *)Memory::GetPointerUnchecked(ctx);
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return mt->R32();
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}
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// TODO: This MD5 stuff needs tests!
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static md5_context md5_ctx;
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static int sceMd5Digest(u32 dataAddr, u32 len, u32 digestAddr) {
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DEBUG_LOG(HLE, "sceMd5Digest(%08x, %d, %08x)", dataAddr, len, digestAddr);
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if (!Memory::IsValidAddress(dataAddr) || !Memory::IsValidAddress(digestAddr))
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return -1;
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md5(Memory::GetPointerWriteUnchecked(dataAddr), (int)len, Memory::GetPointerWriteUnchecked(digestAddr));
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return 0;
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}
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static int sceMd5BlockInit(u32 ctxAddr) {
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DEBUG_LOG(HLE, "sceMd5BlockInit(%08x)", ctxAddr);
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if (!Memory::IsValidAddress(ctxAddr))
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return -1;
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// TODO: Until I know how large a context is, we just go all lazy and use a global context,
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// which will work just fine unless games do several MD5 concurrently.
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md5_starts(&md5_ctx);
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return 0;
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}
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static int sceMd5BlockUpdate(u32 ctxAddr, u32 dataPtr, u32 len) {
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DEBUG_LOG(HLE, "sceMd5BlockUpdate(%08x, %08x, %d)", ctxAddr, dataPtr, len);
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if (!Memory::IsValidAddress(ctxAddr) || !Memory::IsValidAddress(dataPtr))
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return -1;
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md5_update(&md5_ctx, Memory::GetPointerWriteUnchecked(dataPtr), (int)len);
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return 0;
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}
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static int sceMd5BlockResult(u32 ctxAddr, u32 digestAddr) {
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DEBUG_LOG(HLE, "sceMd5BlockResult(%08x, %08x)", ctxAddr, digestAddr);
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if (!Memory::IsValidAddress(ctxAddr) || !Memory::IsValidAddress(digestAddr))
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return -1;
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md5_finish(&md5_ctx, Memory::GetPointerWriteUnchecked(digestAddr));
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return 0;
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}
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int sceKernelUtilsMd5Digest(u32 dataAddr, int len, u32 digestAddr) {
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DEBUG_LOG(HLE, "sceKernelUtilsMd5Digest(%08x, %d, %08x)", dataAddr, len, digestAddr);
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if (!Memory::IsValidAddress(dataAddr) || !Memory::IsValidAddress(digestAddr))
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return -1;
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md5(Memory::GetPointerWriteUnchecked(dataAddr), (int)len, Memory::GetPointerWriteUnchecked(digestAddr));
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return 0;
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}
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int sceKernelUtilsMd5BlockInit(u32 ctxAddr) {
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DEBUG_LOG(HLE, "sceKernelUtilsMd5BlockInit(%08x)", ctxAddr);
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if (!Memory::IsValidAddress(ctxAddr))
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return -1;
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// TODO: Until I know how large a context is, we just go all lazy and use a global context,
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// which will work just fine unless games do several MD5 concurrently.
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md5_starts(&md5_ctx);
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return 0;
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}
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int sceKernelUtilsMd5BlockUpdate(u32 ctxAddr, u32 dataPtr, int len) {
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DEBUG_LOG(HLE, "sceKernelUtilsMd5BlockUpdate(%08x, %08x, %d)", ctxAddr, dataPtr, len);
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if (!Memory::IsValidAddress(ctxAddr) || !Memory::IsValidAddress(dataPtr))
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return -1;
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md5_update(&md5_ctx, Memory::GetPointerWriteUnchecked(dataPtr), (int)len);
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return 0;
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}
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int sceKernelUtilsMd5BlockResult(u32 ctxAddr, u32 digestAddr) {
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DEBUG_LOG(HLE, "sceKernelUtilsMd5BlockResult(%08x, %08x)", ctxAddr, digestAddr);
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if (!Memory::IsValidAddress(ctxAddr) || !Memory::IsValidAddress(digestAddr))
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return -1;
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md5_finish(&md5_ctx, Memory::GetPointerWriteUnchecked(digestAddr));
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return 0;
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}
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static sha1_context sha1_ctx;
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int sceKernelUtilsSha1Digest(u32 dataAddr, int len, u32 digestAddr) {
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DEBUG_LOG(HLE, "sceKernelUtilsSha1Digest(%08x, %d, %08x)", dataAddr, len, digestAddr);
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if (!Memory::IsValidAddress(dataAddr) || !Memory::IsValidAddress(digestAddr))
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return -1;
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sha1(Memory::GetPointerWriteUnchecked(dataAddr), (int)len, Memory::GetPointerWriteUnchecked(digestAddr));
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return 0;
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}
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int sceKernelUtilsSha1BlockInit(u32 ctxAddr) {
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DEBUG_LOG(HLE, "sceKernelUtilsSha1BlockInit(%08x)", ctxAddr);
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if (!Memory::IsValidAddress(ctxAddr))
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return -1;
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// TODO: Until I know how large a context is, we just go all lazy and use a global context,
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// which will work just fine unless games do several MD5 concurrently.
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sha1_starts(&sha1_ctx);
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return 0;
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}
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int sceKernelUtilsSha1BlockUpdate(u32 ctxAddr, u32 dataAddr, int len) {
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DEBUG_LOG(HLE, "sceKernelUtilsSha1BlockUpdate(%08x, %08x, %d)", ctxAddr, dataAddr, len);
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if (!Memory::IsValidAddress(ctxAddr) || !Memory::IsValidAddress(dataAddr))
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return -1;
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sha1_update(&sha1_ctx, Memory::GetPointerWriteUnchecked(dataAddr), (int)len);
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return 0;
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}
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int sceKernelUtilsSha1BlockResult(u32 ctxAddr, u32 digestAddr) {
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DEBUG_LOG(HLE, "sceKernelUtilsSha1BlockResult(%08x, %08x)", ctxAddr, digestAddr);
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if (!Memory::IsValidAddress(ctxAddr) || !Memory::IsValidAddress(digestAddr))
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return -1;
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sha1_finish(&sha1_ctx, Memory::GetPointerWriteUnchecked(digestAddr));
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return 0;
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}
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const HLEFunction sceMd5[] = {
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{0X19884A15, &WrapI_U<sceMd5BlockInit>, "sceMd5BlockInit", 'i', "x" },
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{0XA30206C2, &WrapI_UUU<sceMd5BlockUpdate>, "sceMd5BlockUpdate", 'i', "xxx"},
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{0X4876AFFF, &WrapI_UU<sceMd5BlockResult>, "sceMd5BlockResult", 'i', "xx" },
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{0X98E31A9E, &WrapI_UUU<sceMd5Digest>, "sceMd5Digest", 'i', "xxx"},
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};
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void Register_sceMd5() {
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RegisterModule("sceMd5", ARRAY_SIZE(sceMd5), sceMd5);
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}
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