1 // Copyright (c) 2012- PPSSPP Project.
2 
3 // This program is free software: you can redistribute it and/or modify
4 // it under the terms of the GNU General Public License as published by
5 // the Free Software Foundation, version 2.0 or later versions.
6 
7 // This program is distributed in the hope that it will be useful,
8 // but WITHOUT ANY WARRANTY; without even the implied warranty of
9 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
10 // GNU General Public License 2.0 for more details.
11 
12 // A copy of the GPL 2.0 should have been included with the program.
13 // If not, see http://www.gnu.org/licenses/
14 
15 // Official git repository and contact information can be found at
16 // https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
17 
18 #ifdef SHARED_ZLIB
19 #include <zlib.h>
20 #else
21 #include "../ext/zlib/zlib.h"
22 #endif
23 
24 #include "sceAdler.h"
25 #include "Common/Log.h"
26 #include "Core/HLE/HLE.h"
27 #include "Core/HLE/FunctionWrappers.h"
28 
29 static u32 sceAdler32(u32 adler, u32 data, u32 datalen) {
30 	if (!Memory::IsValidAddress(data) || !Memory::IsValidAddress(data + datalen - 1)) {
31 		ERROR_LOG(SCEMISC, "sceAdler32(adler=%08x, data=%08x, datalen=%08x) - bad address(es)", adler, data, datalen);
32 		return -1;
33 	}
34 	INFO_LOG(SCEMISC, "sceAdler32(adler=%08x, data=%08x, datalen=%08x)", adler, data, datalen);
35 
36 	u8 *buf = Memory::GetPointerUnchecked(data);
37 	u32 ret = adler32(adler, buf, datalen);
38 
39 	return ret;
40 }
41 
42 const HLEFunction sceAdler[] = {
43 	{0X9702EF11, &WrapU_UUU<sceAdler32>, "sceAdler32", 'x', "xxx"},
44 };
45 
46 void Register_sceAdler() {
47 	RegisterModule("sceAdler", ARRAY_SIZE(sceAdler), sceAdler);
48 }
49