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Refactored various game patches

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This commit is contained in:
wiidev 2023-01-01 17:00:25 +00:00
parent 2ee86d1281
commit 564ea6a534
8 changed files with 666 additions and 693 deletions
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19
source/patches/dolpatcher.c
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@ -1,19 +0,0 @@
#include <string.h>
#include <gctypes.h>
bool PatchDOL(u8 * Address, int Size, const u8 * SearchPattern, int SearchSize, const u8 * PatchData, int PatchSize)
{
u8 * Addr = Address;
u8 * Addr_end = Address + Size;
while (Addr <= Addr_end - SearchSize)
{
if (memcmp(Addr, SearchPattern, SearchSize) == 0)
{
memcpy(Addr, PatchData, PatchSize);
return true;
}
Addr += 4;
}
return false;
}

8
source/patches/dolpatcher.h
View File

@ -1,8 +0,0 @@
#ifndef DOLPATCHER_C_
#define DOLPATCHER_C_
#include <gctypes.h>
bool PatchDOL(u8 * Address, int Size, const u8 * SearchPattern, int SearchSize, const u8 * PatchData, int PatchSize);
#endif

224
source/patches/gamepatches.c
View File

@ -2,8 +2,8 @@
#include <gccore.h>
#include <malloc.h>
#include <string.h>
#include "usbloader/disc.h"
#include "dolpatcher.h"
#include "wip.h"
#include "gecko.h"
#include "patchcode.h"
@ -67,8 +67,8 @@ void gamepatches(u8 videoSelected, u8 videoPatchDol, u8 aspectForce, u8 language
u8 vfilter_high[7] = {8, 8, 10, 12, 10, 8, 8};
// If a wip file is loaded for this game this does nothing - Dimok
PoPPatch();
NSMBPatch();
patch_nsmb((u8 *)0x80000000);
patch_pop((u8 *)0x80000000);
for (i = 0; i < dolCount; ++i)
{
@ -77,7 +77,8 @@ void gamepatches(u8 videoSelected, u8 videoPatchDol, u8 aspectForce, u8 language
VideoModePatcher(dst, len, videoSelected, videoPatchDol);
dogamehooks(hooktype, dst, len);
if (hooktype)
dogamehooks(hooktype, dst, len);
if (vipatch)
vidolpatcher(dst, len);
@ -99,22 +100,22 @@ void gamepatches(u8 videoSelected, u8 videoPatchDol, u8 aspectForce, u8 language
if (deflicker == DEFLICKER_ON_LOW)
{
patch_vfilters(dst, len, vfilter_low);
patch_vfilters_rouge(dst, len, vfilter_low);
patch_vfilters_rogue(dst, len, vfilter_low);
}
else if (deflicker == DEFLICKER_ON_MEDIUM)
{
patch_vfilters(dst, len, vfilter_medium);
patch_vfilters_rouge(dst, len, vfilter_medium);
patch_vfilters_rogue(dst, len, vfilter_medium);
}
else if (deflicker == DEFLICKER_ON_HIGH)
{
patch_vfilters(dst, len, vfilter_high);
patch_vfilters_rouge(dst, len, vfilter_high);
patch_vfilters_rogue(dst, len, vfilter_high);
}
else if (deflicker != DEFLICKER_AUTO)
{
patch_vfilters(dst, len, vfilter_off);
patch_vfilters_rouge(dst, len, vfilter_off);
patch_vfilters_rogue(dst, len, vfilter_off);
// This might break fade and brightness effects
if (deflicker == DEFLICKER_OFF_EXTENDED)
deflicker_patch(dst, len);
@ -154,8 +155,8 @@ void anti_002_fix(u8 *addr, u32 len)
{
u32 SearchPattern[3] = {0x2C000000, 0x48000214, 0x3C608000};
u8 *addr_start = addr;
u8 *addr_end = addr + len;
while (addr_start <= addr_end - sizeof(SearchPattern))
u8 *addr_end = addr + len - sizeof(SearchPattern);
while (addr_start <= addr_end)
{
if (memcmp(addr_start, SearchPattern, sizeof(SearchPattern)) == 0)
{
@ -177,8 +178,8 @@ void deflicker_patch(u8 *addr, u32 len)
0x90698000, 0x99498000, 0x90E98000,
0x99498000, 0x91098000, 0x41820040};
u8 *addr_start = addr;
u8 *addr_end = addr + len;
while (addr_start <= addr_end - sizeof(SearchPattern))
u8 *addr_end = addr + len - sizeof(SearchPattern);
while (addr_start <= addr_end)
{
if (memcmp(addr_start, SearchPattern, sizeof(SearchPattern)) == 0)
{
@ -192,7 +193,7 @@ void deflicker_patch(u8 *addr, u32 len)
/**
480p Pixel Fix Patch by leseratte
fix for a Nintendo Revolution SDK bug found by Extrems affecting early Wii console when using 480p video mode.
Fix for a Nintendo Revolution SDK bug found by Extrems affecting early Wii console when using 480p video mode.
https://shmups.system11.org/viewtopic.php?p=1361158#p1361158
https://github.com/ExtremsCorner/libogc-rice/commit/941d687e271fada68c359bbed98bed1fbb454448
**/
@ -211,29 +212,29 @@ void PatchFix480p()
/// Used by: New Super Mario Bros, ...
/*
* Code block that is being patched (in MKW):
*
* 4bffe30d: bl WaitMicroTime
* 38000065: li r0, 0x65
* 9b810019: stb r28, 25(r1) // store the wrong value (1)
* 38810018: addi r4, r1, 0x18
* 386000e0: li r3, 0xe0
* 98010018: stb r0, 24(r1)
* 38a00002: li r5, 2
* 4bffe73d: bl __VISendI2CData
*
* r28 is a register that is set to 1 at the beginning of the function.
* However, its contents are used elsewhere as well, so we can't just modify this one function.
*
* The following code first searches for one of the patterns above, then replaces the
* "stb r28, 25(r1)" instruction that stores the wrong value on the stack with a branch instead
* That branch branches to the injected custom code ("li r3, 3; stb r3, 25(r1)") that stores the
* correct value (3) instead. At the end of the injected code will be another branch that branches
* back to the instruction after the one that has been replaced (so, to "addi r4, r1, 0x18").
* r3 can safely be used as a temporary register because its contents will be replaced immediately
* afterwards anyways.
*
*/
* Code block that is being patched (in MKW):
*
* 4bffe30d: bl WaitMicroTime
* 38000065: li r0, 0x65
* 9b810019: stb r28, 25(r1) // store the wrong value (1)
* 38810018: addi r4, r1, 0x18
* 386000e0: li r3, 0xe0
* 98010018: stb r0, 24(r1)
* 38a00002: li r5, 2
* 4bffe73d: bl __VISendI2CData
*
* r28 is a register that is set to 1 at the beginning of the function.
* However, its contents are used elsewhere as well, so we can't just modify this one function.
*
* The following code first searches for one of the patterns above, then replaces the
* "stb r28, 25(r1)" instruction that stores the wrong value on the stack with a branch instead
* That branch branches to the injected custom code ("li r3, 3; stb r3, 25(r1)") that stores the
* correct value (3) instead. At the end of the injected code will be another branch that branches
* back to the instruction after the one that has been replaced (so, to "addi r4, r1, 0x18").
* r3 can safely be used as a temporary register because its contents will be replaced immediately
* afterwards anyways.
*
*/
void *offset = NULL;
void *addr = (void *)0x80000000;
@ -863,11 +864,11 @@ void domainpatcher(void *addr, u32 len, const char *domain)
} while (++cur < end);
}
bool NSMBPatch()
bool patch_nsmb(u8 *gameid)
{
WIP_Code *CodeList = NULL;
if (memcmp("SMNE01", (char *)0x80000000, 6) == 0)
if (memcmp(gameid, "SMNE01", 6) == 0)
{
CodeList = MEM2_alloc(3 * sizeof(WIP_Code));
if (!CodeList)
@ -883,7 +884,7 @@ bool NSMBPatch()
CodeList[2].srcaddress = 0xDA000000;
CodeList[2].dstaddress = 0x71000000;
}
else if (memcmp("SMNP01", (char *)0x80000000, 6) == 0)
else if (memcmp(gameid, "SMNP01", 6) == 0)
{
CodeList = MEM2_alloc(3 * sizeof(WIP_Code));
if (!CodeList)
@ -899,7 +900,7 @@ bool NSMBPatch()
CodeList[2].srcaddress = 0x388000DA;
CodeList[2].dstaddress = 0x38800071;
}
else if (memcmp("SMNJ01", (char *)0x80000000, 6) == 0)
else if (memcmp(gameid, "SMNJ01", 6) == 0)
{
CodeList = MEM2_alloc(3 * sizeof(WIP_Code));
if (!CodeList)
@ -922,13 +923,14 @@ bool NSMBPatch()
CodeList = NULL;
return false;
}
if (CodeList)
gprintf("Patched New Super Mario Bros\n");
return CodeList != NULL;
}
bool PoPPatch()
bool patch_pop(u8 *gameid)
{
if (memcmp("SPX", (char *)0x80000000, 3) != 0 && memcmp("RPW", (char *)0x80000000, 3) != 0)
if (memcmp(gameid, "SPX", 3) != 0 && memcmp(gameid, "RPW", 3) != 0)
return false;
WIP_Code *CodeList = MEM2_alloc(5 * sizeof(WIP_Code));
@ -954,8 +956,82 @@ bool PoPPatch()
CodeList = NULL;
return false;
}
if (CodeList)
gprintf("Patched Prince of Persia\n");
return CodeList != NULL;
}
return true;
void patch_error_codes(u8 *gameid)
{
// Thanks to Seeky for the MKWii gecko codes
// Thanks to InvoxiPlayGames for the gecko codes for the 23400 fix.
// Reimplemented by Leseratte without the need for a code handler.
u32 *patch_addr = 0;
u32 *patched = 0;
// Patch error 23400 for CoD (Black Ops, Reflex, MW3) and Rock Band 3 / The Beatles
if (memcmp(gameid, "SC7", 3) == 0)
{
gprintf("Patching error 23400 for %s\n", gameid);
*(u32 *)0x8023c954 = 0x41414141;
}
else if (memcmp(gameid, "RJA", 3) == 0)
{
gprintf("Patching error 23400 for %s\n", gameid);
*(u32 *)0x801b838c = 0x41414141;
}
else if (memcmp(gameid, "SM8", 3) == 0)
{
gprintf("Patching error 23400 for %s\n", gameid);
*(u32 *)0x80238c74 = 0x41414141;
}
else if (memcmp(gameid, "SZB", 3) == 0)
{
gprintf("Patching error 23400 for %s\n", gameid);
*(u32 *)0x808e3b20 = 0x41414141;
}
else if (memcmp(gameid, "R9J", 3) == 0)
{
gprintf("Patching error 23400 for %s\n", gameid);
*(u32 *)0x808d6934 = 0x41414141;
}
// Patch RCE vulnerability in MKWii.
else if (memcmp(gameid, "RMC", 3) == 0)
{
switch (gameid[3])
{
case 'P':
patched = (u32 *)0x80276054;
patch_addr = (u32 *)0x8089a194;
break;
case 'E':
patched = (u32 *)0x80271d14;
patch_addr = (u32 *)0x80895ac4;
break;
case 'J':
patched = (u32 *)0x802759f4;
patch_addr = (u32 *)0x808992f4;
break;
case 'K':
patched = (u32 *)0x80263E34;
patch_addr = (u32 *)0x808885cc;
break;
default:
gprintf("NOT patching RCE vulnerability due to invalid game ID: %s\n", gameid);
return;
}
if (*patched != '*')
gprintf("Game is already Wiimmfi-patched, don't apply the RCE fix\n");
else
{
gprintf("Patching RCE vulnerability for %s\n", gameid);
for (int i = 0; i < 7; i++)
*patch_addr++ = 0xff;
}
}
}
/** Insert the individual gamepatches above with the patterns and patch data **/
@ -1077,23 +1153,23 @@ static GXRModeObj TVPal528IntDf_RVL = {
GX_FALSE, // aa
// sample points arranged in increasing Y order
{
{
{6, 6}, {6, 6}, {6, 6}, // pix 0, 3 sample points, 1/12 units, 4 bits each
{6, 6}, {6, 6}, {6, 6}, // pix 1
{6, 6}, {6, 6}, {6, 6}, // pix 2
{6, 6}, {6, 6}, {6, 6} // pix 3
},
},
// vertical filter[7], 1/64 units, 6 bits each
{
8, // line n-1
8, // line n-1
10, // line n
12, // line n
10, // line n
8, // line n+1
8 // line n+1
}
{
8, // line n-1
8, // line n-1
10, // line n
12, // line n
10, // line n
8, // line n+1
8 // line n+1
}
};
static GXRModeObj *vmodes[] = {
@ -1269,9 +1345,10 @@ static void patch_videomode(GXRModeObj *mode1, GXRModeObj *mode2)
mode1->viYOrigin = mode2->viYOrigin;
mode1->viWidth = mode2->viWidth;
mode1->viHeight = mode2->viHeight;
} else {
gprintf("Skipped patching dimensions %d x %d\n", mode1->viWidth, mode1->viHeight);
}
else
gprintf("Skipped patching dimensions %d x %d\n", mode1->viWidth, mode1->viHeight);
mode1->xfbMode = mode2->xfbMode;
mode1->field_rendering = mode2->field_rendering;
mode1->aa = mode2->aa;
@ -1358,9 +1435,10 @@ static bool Search_and_patch_Video_Modes(u8 *Address, u32 Size, GXRModeObj *Tabl
// Patch known and unknown vfilters within GXRModeObj structures
void patch_vfilters(u8 *addr, u32 len, u8 *vfilter)
{
u8 *addr_start = addr;
while (len >= sizeof(GXRModeObj))
{
GXRModeObj *vidmode = (GXRModeObj *)addr;
GXRModeObj *vidmode = (GXRModeObj *)addr_start;
if ((memcmp(vidmode->sample_pattern, PATTERN, 24) == 0 || memcmp(vidmode->sample_pattern, PATTERN_AA, 24) == 0) &&
(vidmode->fbWidth == 640 || vidmode->fbWidth == 608 || vidmode->fbWidth == 512) &&
(vidmode->field_rendering == 0 || vidmode->field_rendering == 1) &&
@ -1368,17 +1446,18 @@ void patch_vfilters(u8 *addr, u32 len, u8 *vfilter)
{
gprintf("Replaced vfilter %02x%02x%02x%02x%02x%02x%02x @ %p (GXRModeObj)\n",
vidmode->vfilter[0], vidmode->vfilter[1], vidmode->vfilter[2], vidmode->vfilter[3],
vidmode->vfilter[4], vidmode->vfilter[5], vidmode->vfilter[6], addr);
vidmode->vfilter[4], vidmode->vfilter[5], vidmode->vfilter[6], addr_start);
memcpy(vidmode->vfilter, vfilter, 7);
addr += (sizeof(GXRModeObj) - 4);
addr_start += (sizeof(GXRModeObj) - 4);
len -= (sizeof(GXRModeObj) - 4);
}
addr += 4;
addr_start += 4;
len -= 4;
}
}
void patch_vfilters_rouge(u8 *addr, u32 len, u8 *vfilter)
// Patch rogue vfilters found in some games
void patch_vfilters_rogue(u8 *addr, u32 len, u8 *vfilter)
{
u8 known_vfilters[7][7] = {
{8, 8, 10, 12, 10, 8, 8},
@ -1389,24 +1468,25 @@ void patch_vfilters_rouge(u8 *addr, u32 len, u8 *vfilter)
{4, 4, 16, 16, 16, 4, 4},
{2, 2, 17, 22, 17, 2, 2}
};
u8 *addr_start = addr;
u8 *addr_end = addr + len - 8;
while (addr <= addr_end)
while (addr_start <= addr_end)
{
u8 known_vfilter[7];
for (int i = 0; i < 7; i++)
{
for (int x = 0; x < 7; x++)
known_vfilter[x] = known_vfilters[i][x];
if (!addr[7] && memcmp(addr, known_vfilter, 7) == 0)
if (!addr_start[7] && memcmp(addr_start, known_vfilter, 7) == 0)
{
gprintf("Replaced vfilter %02x%02x%02x%02x%02x%02x%02x @ %p\n", addr[0], addr[1], addr[2],
addr[3], addr[4], addr[5], addr[6], addr);
gprintf("Replaced vfilter %02x%02x%02x%02x%02x%02x%02x @ %p\n", addr_start[0], addr_start[1],
addr_start[2], addr_start[3], addr_start[4], addr_start[5], addr_start[6], addr_start);
memcpy(addr, vfilter, 7);
addr += 7;
addr_start += 7;
break;
}
}
addr += 1;
addr_start += 1;
}
}
@ -1654,7 +1734,7 @@ bool PatchReturnTo(void *Address, int Size, u32 id)
addr = (u32 *)ad[0];
memcpy(addr, &newval, sizeof(u32)); // bl ad[ 3 ]
memcpy(addr + 4, &nop, sizeof(u32)); // nop
//gprintf("\t%08x -> %08x\n", addr, newval );
// gprintf("\t%08x -> %08x\n", addr, newval );
// ES_GetTicketViews() again
newval = (ad[3] - ad[1]);
@ -1663,7 +1743,7 @@ bool PatchReturnTo(void *Address, int Size, u32 id)
addr = (u32 *)ad[1];
memcpy(addr, &newval, sizeof(u32)); // bl ad[ 3 ]
memcpy(addr + 4, &nop, sizeof(u32)); // nop
//gprintf("\t%08x -> %08x\n", addr, newval );
// gprintf("\t%08x -> %08x\n", addr, newval );
// ES_LaunchTitle()
newval = (ad[3] - ad[2]);
@ -1672,7 +1752,7 @@ bool PatchReturnTo(void *Address, int Size, u32 id)
addr = (u32 *)ad[2];
memcpy(addr, &newval, sizeof(u32)); // bl ad[ 3 ]
memcpy(addr + 4, &nop, sizeof(u32)); // nop
//gprintf("\t%08x -> %08x\n", addr, newval );
// gprintf("\t%08x -> %08x\n", addr, newval );
returnToPatched = 1;
}
@ -1711,7 +1791,7 @@ int PatchNewReturnTo(int es_fd, u64 title)
return result;
}
int BlockIOSReload(int es_fd, u8 gameIOS)
int BlockIOSReload(int es_fd, u32 gameIOS)
{
if (es_fd < 0)
return -1;

9
source/patches/gamepatches.h
View File

@ -14,19 +14,20 @@ void gamepatches(u8 videoSelected, u8 videoPatchDol, u8 aspectForce, u8 language
void anti_002_fix(u8 *addr, u32 len);
void deflicker_patch(u8 *addr, u32 len);
void patch_vfilters(u8 *addr, u32 len, u8 *vfilter);
void patch_vfilters_rouge(u8 *addr, u32 len, u8 *vfilter);
void patch_vfilters_rogue(u8 *addr, u32 len, u8 *vfilter);
void PrivateServerPatcher(void *addr, u32 len, u8 privateServer, const char *serverAddr);
void PatchFix480p();
s8 do_new_wiimmfi();
s8 do_new_wiimmfi_nonMKWii(void *addr, u32 len);
void domainpatcher(void *addr, u32 len, const char *domain);
bool NSMBPatch();
bool PoPPatch();
bool patch_nsmb(u8 *gameid);
bool patch_pop(u8 *gameid);
void patch_error_codes(u8 *gameid);
void VideoModePatcher(u8 *dst, int len, u8 videoSelected, u8 VideoPatchDol);
void sneek_video_patch(void *addr, u32 len);
bool PatchReturnTo(void *Address, int Size, u32 id);
int PatchNewReturnTo(int es_fd, u64 title);
int BlockIOSReload(int es_fd, u8 gameIOS);
int BlockIOSReload(int es_fd, u32 gameIOS);
void PatchAspectRatio(void *addr, u32 len, u8 aspect);
#ifdef __cplusplus

90
source/patches/patchcode.c
View File

@ -78,9 +78,6 @@ static const u32 langpatch[3] = {0x7C600775, 0x40820010, 0x38000000};
void dogamehooks(u32 hooktype, void *addr, u32 len)
//---------------------------------------------------------------------------------
{
if (hooktype == 0x00)
return;
bool isChannel = (*((char *)0x80000005) == 0) && (*((char *)0x80000006) == 0);
void *addr_start = addr;
void *addr_end = addr + len;
@ -584,93 +581,6 @@ int LoadGameConfig(const char *CheatFilepath)
return 0;
}
int ocarina_patch(u8 *gameid)
{
// Thanks to Seeky for the MKWii gecko codes
// Thanks to InvoxiPlayGames for the gecko codes for the 23400 fix.
// Reimplemented by Leseratte without the need for a code handler.
u32 * patch_addr = 0;
char * patched = 0;
// Patch error 23400 for CoD (Black Ops, Reflex, MW3) and Rock Band 3 / The Beatles
if (memcmp(gameid, "SC7", 3) == 0)
{
gprintf("Patching error 23400 for game %s\n", gameid);
*(u32 *)0x8023c954 = 0x41414141;
}
else if (memcmp(gameid, "RJA", 3) == 0)
{
gprintf("Patching error 23400 for game %s\n", gameid);
*(u32 *)0x801b838c = 0x41414141;
}
else if (memcmp(gameid, "SM8", 3) == 0)
{
gprintf("Patching error 23400 for game %s\n", gameid);
*(u32 *)0x80238c74 = 0x41414141;
}
else if (memcmp(gameid, "SZB", 3) == 0)
{
gprintf("Patching error 23400 for game %s\n", gameid);
*(u32 *)0x808e3b20 = 0x41414141;
}
else if (memcmp(gameid, "R9J", 3) == 0)
{
gprintf("Patching error 23400 for game %s\n", gameid);
*(u32 *)0x808d6934 = 0x41414141;
}
// Patch RCE vulnerability in MKWii.
else if (memcmp(gameid, "RMC", 3) == 0)
{
switch (gameid[3]) {
case 'P':
patched = (char *)0x80276054;
patch_addr = (u32 *)0x8089a194;
break;
case 'E':
patched = (char *)0x80271d14;
patch_addr = (u32 *)0x80895ac4;
break;
case 'J':
patched = (char *)0x802759f4;
patch_addr = (u32 *)0x808992f4;
break;
case 'K':
patched = (char *)0x80263E34;
patch_addr = (u32 *)0x808885cc;
break;
default:
gprintf("NOT patching RCE vulnerability due to invalid game ID: %s\n", gameid);
return 0;
}
if (*patched != '*') {
gprintf("Game is already Wiimmfi-patched, don't apply the RCE fix\n");
}
else {
gprintf("Patching RCE vulnerability for game ID %s\n", gameid);
for (int i = 0; i < 7; i++) {
*patch_addr++ = 0xff;
}
}
}
return 0;
}
int ocarina_load_code(const char *CheatFilepath, u8 *gameid)
{
char filepath[150];

1
source/patches/patchcode.h
View File

@ -36,7 +36,6 @@ void langpatcher(void *addr, u32 len, u8 languageChoice);
void vidolpatcher(void *addr, u32 len);
void patchdebug(void *addr, u32 len);
int LoadGameConfig(const char *CheatFilepath);
int ocarina_patch(u8 *gameid);
int ocarina_load_code(const char *CheatFilepath, u8 *gameid);
#ifdef __cplusplus

1007
source/usbloader/GameBooter.cpp
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File diff suppressed because it is too large Load Diff

1
source/usbloader/GameBooter.hpp
View File

@ -26,6 +26,7 @@ class GameBooter
static int BootGame(struct discHdr *gameHdr);
static int BootGCMode(struct discHdr *gameHdr);
private:
static bool exclude_game(u8 *gameid, bool skipChannels = false);
static void SetupAltDOL(u8 * gameID, u8 &alternatedol, u32 &alternatedoloffset);
static void SetupNandEmu(u8 NandEmuMode, const char *NandEmuPath, struct discHdr &gameHeader);
static int SetupDisc(struct discHdr &gameHeader);