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Add (most) remaining SDK 2-4 DMA patches (#139)

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Mow
2026-03-08 10:54:00 -04:00
committed by GitHub
parent ccfceb1ef4
commit ff0bc4bde9
2 changed files with 401 additions and 160 deletions
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560
arm9/source/patches/arm9/sdk2to4/CardiTryReadCardDmaPatch.cpp
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@@ -7,14 +7,14 @@
#include "patches/arm9/RomOffsetToSdSectorPatchCode.h" #include "patches/arm9/RomOffsetToSdSectorPatchCode.h"
#include "CardiTryReadCardDmaPatch.h" #include "CardiTryReadCardDmaPatch.h"
static const u32 sCARDiTryReadCardDmaPatternPingPals[] = { 0xE92D47F0u, 0xE1A0A000u, 0xE59F9120u, 0xE3A08000u }; static const u32 sCARDiTryReadCardDmaPatternPingPals[] = { 0xE92D47F0u, 0xE1A0A000u, 0xE59F9120u, 0xE3A08000u }; // unimplemented
static const u32 sCARDiTryReadCardDmaPatternUnknown[] = { 0xE92D47F0u, 0xE59F9138u, 0xE3A06000u, 0xE5998020u }; static const u32 sCARDiTryReadCardDmaPatternUnknown[] = { 0xE92D47F0u, 0xE59F9138u, 0xE3A06000u, 0xE5998020u };
static const u32 sCARDiTryReadCardDmaPatternUnknown2[] = { 0xE92D47F0u, 0xE59F4134u, 0xE3A06000u, 0xE5949020u }; static const u32 sCARDiTryReadCardDmaPatternSdk03007532HarvestMoon[] = { 0xE92D47F0u, 0xE59F4134u, 0xE3A06000u, 0xE5949020u };
static const u32 sCARDiTryReadCardDmaPatternUnknown3[] = { 0xE92D4FF8u, 0xE59FB140u, 0xE3A05000u, 0xE59B8020u }; static const u32 sCARDiTryReadCardDmaPatternUnknown3[] = { 0xE92D4FF8u, 0xE59FB140u, 0xE3A05000u, 0xE59B8020u };
static const u32 sCARDiTryReadCardDmaPatternUnknown4[] = { 0xE92D47F0u, 0xE59F9138u, 0xE3A06000u, 0xE599801Cu }; static const u32 sCARDiTryReadCardDmaPatternSdk02027533PokemonRanger[] = { 0xE92D47F0u, 0xE59F9138u, 0xE3A06000u, 0xE599801Cu };
static const u32 sCARDiTryReadCardDmaPattern20029A7[] = { 0xE92D47F0u, 0xE59F9128u, 0xE3A07000u, 0xE599401Cu }; static const u32 sCARDiTryReadCardDmaPattern20029A7[] = { 0xE92D47F0u, 0xE59F9128u, 0xE3A07000u, 0xE599401Cu };
static const u32 sCARDiTryReadCardDmaPattern2012774[] = { 0xE92D47F0u, 0xE59F9134u, 0xE3A07000u, 0xE599401Cu }; static const u32 sCARDiTryReadCardDmaPattern2012774[] = { 0xE92D47F0u, 0xE59F9134u, 0xE3A07000u, 0xE599401Cu };
static const u32 sCARDiTryReadCardDmaPattern2017532[] = { 0xE92D47F0u, 0xE59F9130u, 0xE3A07000u, 0xE599401Cu }; static const u32 sCARDiTryReadCardDmaPattern2017532BrainAge[] = { 0xE92D47F0u, 0xE59F9130u, 0xE3A07000u, 0xE599401Cu };
static const u32 sCARDiTryReadCardDmaPattern2027530[] = { 0xE92D47F0u, 0xE59F913Cu, 0xE3A06000u, 0xE599801Cu }; static const u32 sCARDiTryReadCardDmaPattern2027530[] = { 0xE92D47F0u, 0xE59F913Cu, 0xE3A06000u, 0xE599801Cu };
static const u32 sCARDiTryReadCardDmaPattern[] = { 0xE92D47F0u, 0xE59F913Cu, 0xE3A06000u, 0xE5998020u }; static const u32 sCARDiTryReadCardDmaPattern[] = { 0xE92D47F0u, 0xE59F913Cu, 0xE3A06000u, 0xE5998020u };
static const u32 sCARDiTryReadCardDmaPatternSdk3017530[] = { 0xE92D4FF0u, 0xE24DD004u, 0xE59FB14Cu, 0xE3A07000u }; static const u32 sCARDiTryReadCardDmaPatternSdk3017530[] = { 0xE92D4FF0u, 0xE24DD004u, 0xE59FB14Cu, 0xE3A07000u };
@@ -23,24 +23,21 @@ static const u32 sCARDiTryReadCardDmaPatternSdk3027530[] = { 0xE92D4FF0u, 0xE24D
static const u32 sCARDiTryReadCardDmaPatternSdk4007530[] = { 0xE92D4FF8u, 0xE59FB144u, 0xE3A05000u, 0xE59B8020u }; static const u32 sCARDiTryReadCardDmaPatternSdk4007530[] = { 0xE92D4FF8u, 0xE59FB144u, 0xE3A05000u, 0xE59B8020u };
static const u32 sCARDiTryReadCardDmaPatternSdk4007532[] = { 0xE92D4FF8u, 0xE59F416Cu, 0xE3A06000u, 0xE5949020u }; static const u32 sCARDiTryReadCardDmaPatternSdk4007532[] = { 0xE92D4FF8u, 0xE59F416Cu, 0xE3A06000u, 0xE5949020u };
static const u32 sCARDiTryReadCardDmaPatternSdk4027539SpiritTracks[] = { 0xE92D4FF8u, 0xE59F4174u, 0xE3A06000u, 0xE5949020u }; static const u32 sCARDiTryReadCardDmaPatternSdk4027539SpiritTracks[] = { 0xE92D4FF8u, 0xE59F4174u, 0xE3A06000u, 0xE5949020u };
static const u32 sCARDiTryReadCardDmaPatternJpnPokemonDownloader[] = { 0xE92D4FF8u, 0xE59FB138u, 0xE3A05000u, 0xE59B8020u }; static const u32 sCARDiTryReadCardDmaPatternJpnPokemonDownloader[] = { 0xE92D4FF8u, 0xE59FB138u, 0xE3A05000u, 0xE59B8020u }; // unimplemented
static const u32 sCARDiTryReadCardDmaPatternThumbChouSoujuu[] = { 0xB083B5F0u, 0x48399000u, 0x6A0469C5u, 0x96012600u }; static const u32 sCARDiTryReadCardDmaPatternThumbChouSoujuu[] = { 0xB083B5F0u, 0x48399000u, 0x6A0469C5u, 0x96012600u };
static const u32 sCARDiTryReadCardDmaPatternSdk2004F4CThumb[] = { 0xB083B5F0u, 0x4D359000u, 0x94012400u, 0x90020020u }; static const u32 sCARDiTryReadCardDmaPatternSdk2004F4CThumb[] = { 0xB083B5F0u, 0x4D359000u, 0x94012400u, 0x90020020u };
static const u32 sCARDiTryReadCardDmaPatternSdk2007531Thumb[] = { 0xB083B5F0u, 0x4D379000u, 0x94012400u, 0x90020020u }; static const u32 sCARDiTryReadCardDmaPatternSdk2007531Thumb[] = { 0xB083B5F0u, 0x4D379000u, 0x94012400u, 0x90020020u };
static const u32 sCARDiTryReadCardDmaPatternSdk2027530Thumb[] = { 0xB083B5F0u, 0x483A9000u, 0x6A0469C5u, 0x96012600u }; static const u32 sCARDiTryReadCardDmaPatternSdk2027530Thumb[] = { 0xB083B5F0u, 0x483A9000u, 0x6A0469C5u, 0x96012600u };
static const u32 sCARDiTryReadCardDmaPatternSdk3007530Thumb[] = { 0xB083B5F0u, 0x483A9000u, 0x6A446A05u, 0x96012600u }; static const u32 sCARDiTryReadCardDmaPatternSdk3007530Thumb[] = { 0xB083B5F0u, 0x483A9000u, 0x6A446A05u, 0x96012600u };
static const u32 sCARDiTryReadCardDmaPatternSdk3012776Thumb[] = { 0xB083B5F0u, 0x483A9000u, 0x6A446A05u, 0x90012600u }; static const u32 sCARDiTryReadCardDmaPatternSdk3012776Thumb[] = { 0xB083B5F0u, 0x483A9000u, 0x6A446A05u, 0x90012600u }; // TODO does this exist?
static const u32 sCARDiTryReadCardDmaPatternSdk3017531Thumb[] = { 0xB085B5F0u, 0x483C9000u, 0x6A446A05u, 0x90012000u }; static const u32 sCARDiTryReadCardDmaPatternSdk3017531Thumb[] = { 0xB085B5F0u, 0x483C9000u, 0x6A446A05u, 0x90012000u };
static const u32 sCARDiTryReadCardDmaPatternSdk3027530Thumb[] = { 0xB085B5F0u, 0x483D9000u, 0x6A446A05u, 0x90012000u }; static const u32 sCARDiTryReadCardDmaPatternSdk3027530Thumb[] = { 0xB085B5F0u, 0x483D9000u, 0x6A446A05u, 0x90012000u };
static const u32 sCARDiTryReadCardDmaPatternSdkThumb[] = { 0xB084B5F8u, 0x483D9000u, 0x6A446A05u, 0x90032000u }; static const u32 sCARDiTryReadCardDmaPatternSdkThumb[] = { 0xB084B5F8u, 0x483D9000u, 0x6A446A05u, 0x90032000u };
static const u32 sCARDiTryReadCardDmaPatternSdk4007531Thumb[] = { 0xB084B5F8u, 0x483E9000u, 0x6A446A05u, 0x90032000u }; static const u32 sCARDiTryReadCardDmaPatternSdk4007531Thumb[] = { 0xB084B5F8u, 0x483E9000u, 0x6A446A05u, 0x90032000u };
static const u32 sCARDiTryReadCardDmaPatternSdk4017530Thumb[] = { 0xB084B5F8u, 0x48479000u, 0x6A446A05u, 0x90032000u }; static const u32 sCARDiTryReadCardDmaPatternSdk4017530Thumb[] = { 0xB084B5F8u, 0x48479000u, 0x6A446A05u, 0x90032000u };
static const u32 sCARDiTryReadCardDmaPatternSdk4027530Thumb[] = { 0xB084B5F8u, 0x48479000u, 0x6A446A05u, 0x90032000u }; static const u32 sCARDiTryReadCardDmaPatternSdk4027530Thumb[] = { 0xB084B5F8u, 0x48479000u, 0x6A446A05u, 0x90032000u };
static const u32 sCARDiTryReadCardDmaPatternSdk4027531ThumbInlined[] = { 0xB083B5F0u, 0x485D9000u, 0x6A062500u, 0x1C286A44u }; static const u32 sCARDiTryReadCardDmaPatternSdk4027531ThumbInlined[] = { 0xB083B5F0u, 0x485D9000u, 0x6A062500u, 0x1C286A44u }; // unimplemented
static const u16 sReturnFalsePatchThumb[] = { THUMB_MOVS_IMM(0, 0), THUMB_BX_LR };
static const u32 sReturnFalsePatchArm[] = { 0xE3A00000, 0xE12FFF1E }; // mov r0, #0; bx lr
void CardiTryReadCardDmaPatch::TryPattern(PatchContext& patchContext, const u32* pattern) void CardiTryReadCardDmaPatch::TryPattern(PatchContext& patchContext, const u32* pattern)
{ {
@@ -51,6 +48,20 @@ void CardiTryReadCardDmaPatch::TryPattern(PatchContext& patchContext, const u32*
} }
} }
void CardiTryReadCardDmaPatch::ApplyReturnFalsePatch()
{
if (_thumb)
{
((u16*)_cardiTryReadCardDma)[0] = THUMB_MOVS_IMM(0, 0);
((u16*)_cardiTryReadCardDma)[1] = THUMB_BX_LR;
}
else
{
_cardiTryReadCardDma[0] = 0xE3A00000; // mov r0, #0
_cardiTryReadCardDma[1] = 0xE12FFF1E; // bx lr
}
}
bool CardiTryReadCardDmaPatch::FindPatchTarget(PatchContext& patchContext) bool CardiTryReadCardDmaPatch::FindPatchTarget(PatchContext& patchContext)
{ {
if (patchContext.GetSdkVersion() >= 0x4007532) if (patchContext.GetSdkVersion() >= 0x4007532)
@@ -99,7 +110,7 @@ bool CardiTryReadCardDmaPatch::FindPatchTarget(PatchContext& patchContext)
if (!_cardiTryReadCardDma) if (!_cardiTryReadCardDma)
{ {
TryPattern(patchContext, sCARDiTryReadCardDmaPatternUnknown); TryPattern(patchContext, sCARDiTryReadCardDmaPatternUnknown);
if (!_cardiTryReadCardDma) if (!_cardiTryReadCardDma)
TryPattern(patchContext, sCARDiTryReadCardDmaPatternSdk4007530); TryPattern(patchContext, sCARDiTryReadCardDmaPatternSdk4007530);
if (!_cardiTryReadCardDma) if (!_cardiTryReadCardDma)
@@ -107,7 +118,7 @@ bool CardiTryReadCardDmaPatch::FindPatchTarget(PatchContext& patchContext)
if (!_cardiTryReadCardDma) if (!_cardiTryReadCardDma)
TryPattern(patchContext, sCARDiTryReadCardDmaPatternSdk3017530); TryPattern(patchContext, sCARDiTryReadCardDmaPatternSdk3017530);
if (!_cardiTryReadCardDma) if (!_cardiTryReadCardDma)
TryPattern(patchContext, sCARDiTryReadCardDmaPatternUnknown2); TryPattern(patchContext, sCARDiTryReadCardDmaPatternSdk03007532HarvestMoon);
if (!_cardiTryReadCardDma) if (!_cardiTryReadCardDma)
TryPattern(patchContext, sCARDiTryReadCardDmaPatternUnknown3); TryPattern(patchContext, sCARDiTryReadCardDmaPatternUnknown3);
if (!_cardiTryReadCardDma) if (!_cardiTryReadCardDma)
@@ -117,11 +128,11 @@ bool CardiTryReadCardDmaPatch::FindPatchTarget(PatchContext& patchContext)
if (patchContext.GetSdkVersion() < 0x3000000) if (patchContext.GetSdkVersion() < 0x3000000)
{ {
if (!_cardiTryReadCardDma) if (!_cardiTryReadCardDma)
TryPattern(patchContext, sCARDiTryReadCardDmaPattern2017532); TryPattern(patchContext, sCARDiTryReadCardDmaPattern2017532BrainAge);
if (!_cardiTryReadCardDma) if (!_cardiTryReadCardDma)
TryPattern(patchContext, sCARDiTryReadCardDmaPatternPingPals); TryPattern(patchContext, sCARDiTryReadCardDmaPatternPingPals);
if (!_cardiTryReadCardDma) if (!_cardiTryReadCardDma)
TryPattern(patchContext, sCARDiTryReadCardDmaPatternUnknown4); TryPattern(patchContext, sCARDiTryReadCardDmaPatternSdk02027533PokemonRanger);
} }
if (patchContext.GetSdkVersion() >= 0x4000000) if (patchContext.GetSdkVersion() >= 0x4000000)
@@ -170,163 +181,392 @@ bool CardiTryReadCardDmaPatch::FindPatchTarget(PatchContext& patchContext)
return true; //_cardiTryReadCardDma != nullptr; return true; //_cardiTryReadCardDma != nullptr;
} }
static u32 resolveCallWithAutoload(u32 callLocation, const IAutoloadAdjuster* autoloadAdjuster, bool isThumb)
{
s32 callOffset;
if (isThumb)
{
callOffset = ArmHelper::GetThumbCallOffset(((u16*)callLocation)[0], ((u16*)callLocation)[1]);
}
else
{
callOffset = ArmHelper::GetArmCallOffset(*(u32*)callLocation);
}
if (autoloadAdjuster)
{
callLocation = autoloadAdjuster->AdjustInitialToFinal(callLocation);
}
u32 callDestination = callLocation + callOffset;
if (isThumb && (callDestination & 3) == 2)
{
// fix non-aligned Thumb call to ARM
callDestination &= ~2u;
}
return callDestination;
}
void CardiTryReadCardDmaPatch::ApplyPatch(PatchContext& patchContext) void CardiTryReadCardDmaPatch::ApplyPatch(PatchContext& patchContext)
{ {
if (!_cardiTryReadCardDma) if (!_cardiTryReadCardDma)
return; return;
if (!patchContext.GetLoaderPlatform()->HasDmaSdReads())
{
LOG_DEBUG("Platform does not support DMA\n");
ApplyReturnFalsePatch();
return;
}
u32 cardiCommon;
u32 cardiOnReadCard;
u32 cardiSetCardDma;
u32 cardiSetCardDmaDmaCopyCallOffset;
u32 cardiOnReadCardDisableIrqCallOffset;
u32 cardiOnReadCardPatchOffset;
bool patchUsingPool = false; // needed for some SDK 2-3 Thumb
u32 cardiOnReadCardPoolOffset;
if (_thumb) if (_thumb)
{ {
((u16*)_cardiTryReadCardDma)[0] = sReturnFalsePatchThumb[0]; if (_foundPattern == sCARDiTryReadCardDmaPatternThumbChouSoujuu)
((u16*)_cardiTryReadCardDma)[1] = sReturnFalsePatchThumb[1];
}
else
{
bool enableDma = patchContext.GetLoaderPlatform()->HasDmaSdReads();
if (enableDma)
{ {
u32 cardiCommon; cardiCommon = *(u32*)((u8*)_cardiTryReadCardDma + 0xEC);
u32 cardiOnReadCard; cardiOnReadCard = *(u32*)((u8*)_cardiTryReadCardDma + 0x110) & ~1u;
u32 cardiSetCardDma; cardiSetCardDma = ArmHelper::GetThumbCallAddress((u16*)((u8*)_cardiTryReadCardDma + 0xE2)) & ~1u;
u32 cardiSetCardDmaDmaCopyCallOffset; cardiSetCardDmaDmaCopyCallOffset = 0xC;
u32 cardiOnReadCardOffset; cardiOnReadCardDisableIrqCallOffset = 0x28;
if (_foundPattern == sCARDiTryReadCardDmaPattern20029A7) cardiOnReadCardPatchOffset = 0x28;
{ patchUsingPool = true;
cardiCommon = *(u32*)((u8*)_cardiTryReadCardDma + 0x134); cardiOnReadCardPoolOffset = 0x94;
cardiOnReadCard = *(u32*)((u8*)_cardiTryReadCardDma + 0x144); }
cardiSetCardDma = ArmHelper::GetArmCallAddress((u32*)((u8*)_cardiTryReadCardDma + 0x124)); else if (_foundPattern == sCARDiTryReadCardDmaPatternSdk2004F4CThumb)
if (*(u32*)cardiOnReadCard == 0xE92D40F0u) {
{ cardiCommon = *(u32*)((u8*)_cardiTryReadCardDma + 0xDC);
cardiSetCardDmaDmaCopyCallOffset = 0x18; cardiOnReadCard = *(u32*)((u8*)_cardiTryReadCardDma + 0x100) & ~1u;
cardiOnReadCardOffset = 0x40; cardiSetCardDma = ArmHelper::GetThumbCallAddress((u16*)((u8*)_cardiTryReadCardDma + 0xCE)) & ~1u;
} cardiSetCardDmaDmaCopyCallOffset = 0xC;
else cardiOnReadCardDisableIrqCallOffset = 0x28;
{ cardiOnReadCardPatchOffset = 0x28;
// old version is not supported yet patchUsingPool = true;
_cardiTryReadCardDma[0] = sReturnFalsePatchArm[0]; cardiOnReadCardPoolOffset = 0x50;
_cardiTryReadCardDma[1] = sReturnFalsePatchArm[1]; }
return; else if (_foundPattern == sCARDiTryReadCardDmaPatternSdk2007531Thumb)
} {
} cardiCommon = *(u32*)((u8*)_cardiTryReadCardDma + 0xE4);
else if (_foundPattern == sCARDiTryReadCardDmaPattern2012774) cardiOnReadCard = *(u32*)((u8*)_cardiTryReadCardDma + 0x108) & ~1u;
{ cardiSetCardDma = ArmHelper::GetThumbCallAddress((u16*)((u8*)_cardiTryReadCardDma + 0xD6)) & ~1u;
cardiCommon = *(u32*)((u8*)_cardiTryReadCardDma + 0x140); cardiSetCardDmaDmaCopyCallOffset = 0xC;
cardiOnReadCard = *(u32*)((u8*)_cardiTryReadCardDma + 0x150); cardiOnReadCardDisableIrqCallOffset = 0x28;
cardiSetCardDma = ArmHelper::GetArmCallAddress((u32*)((u8*)_cardiTryReadCardDma + 0x130)); cardiOnReadCardPatchOffset = 0x28;
cardiSetCardDmaDmaCopyCallOffset = 0x18; patchUsingPool = true;
cardiOnReadCardOffset = 0x40; cardiOnReadCardPoolOffset = 0x50;
} }
else if (_foundPattern == sCARDiTryReadCardDmaPattern) else if (_foundPattern == sCARDiTryReadCardDmaPatternSdk2027530Thumb)
{ {
cardiCommon = *(u32*)((u8*)_cardiTryReadCardDma + 0x148) + 4; cardiCommon = *(u32*)((u8*)_cardiTryReadCardDma + 0xF0);
cardiOnReadCard = *(u32*)((u8*)_cardiTryReadCardDma + 0x158); cardiOnReadCard = *(u32*)((u8*)_cardiTryReadCardDma + 0x114) & ~1u;
cardiSetCardDma = ArmHelper::GetArmCallAddress((u32*)((u8*)_cardiTryReadCardDma + 0x138)); cardiSetCardDma = ArmHelper::GetThumbCallAddress((u16*)((u8*)_cardiTryReadCardDma + 0xE2)) & ~1u;
cardiSetCardDmaDmaCopyCallOffset = 0x18; cardiSetCardDmaDmaCopyCallOffset = 0xC;
cardiOnReadCardOffset = 0x40; cardiOnReadCardDisableIrqCallOffset = 0x28;
} cardiOnReadCardPatchOffset = 0x28;
else if (_foundPattern == sCARDiTryReadCardDmaPatternSdk3017530) patchUsingPool = true;
{ cardiOnReadCardPoolOffset = 0x9C;
cardiCommon = *(u32*)((u8*)_cardiTryReadCardDma + 0x15C) + 4; }
cardiOnReadCard = *(u32*)((u8*)_cardiTryReadCardDma + 0x16C); else if (_foundPattern == sCARDiTryReadCardDmaPatternSdk3007530Thumb)
if (*(u32*)((u8*)_cardiTryReadCardDma + 0x158) == 0xE12FFF1E) {
{ cardiCommon = *(u32*)((u8*)_cardiTryReadCardDma + 0xF0) + 4;
cardiSetCardDma = ArmHelper::GetArmCallAddress((u32*)((u8*)_cardiTryReadCardDma + 0x148)); cardiOnReadCard = *(u32*)((u8*)_cardiTryReadCardDma + 0x114) & ~1u;
} cardiSetCardDma = ArmHelper::GetThumbCallAddress((u16*)((u8*)_cardiTryReadCardDma + 0xE2)) & ~1u;
else cardiSetCardDmaDmaCopyCallOffset = 0xC;
{ cardiOnReadCardDisableIrqCallOffset = 0x28;
cardiSetCardDma = ArmHelper::GetArmCallAddress((u32*)((u8*)_cardiTryReadCardDma + 0x14C)); cardiOnReadCardPatchOffset = 0x28;
} patchUsingPool = true;
cardiSetCardDmaDmaCopyCallOffset = 0x18; cardiOnReadCardPoolOffset = 0xA0;
cardiOnReadCardOffset = 0x40; }
} else if (_foundPattern == sCARDiTryReadCardDmaPatternSdk3017531Thumb)
else if (_foundPattern == sCARDiTryReadCardDmaPatternSdk3027530) {
{ cardiCommon = *(u32*)((u8*)_cardiTryReadCardDma + 0xF8) + 4;
cardiCommon = *(u32*)((u8*)_cardiTryReadCardDma + 0x160) + 4; cardiOnReadCard = *(u32*)((u8*)_cardiTryReadCardDma + 0x11C) & ~1u;
cardiOnReadCard = *(u32*)((u8*)_cardiTryReadCardDma + 0x170); cardiSetCardDma = ArmHelper::GetThumbCallAddress((u16*)((u8*)_cardiTryReadCardDma + 0xEA)) & ~1u;
cardiSetCardDma = ArmHelper::GetArmCallAddress((u32*)((u8*)_cardiTryReadCardDma + 0x14C)); cardiSetCardDmaDmaCopyCallOffset = 0xC;
cardiSetCardDmaDmaCopyCallOffset = 0x18; cardiOnReadCardDisableIrqCallOffset = 0x28;
cardiOnReadCardOffset = 0x40; cardiOnReadCardPatchOffset = 0x28;
} patchUsingPool = true;
else if (_foundPattern == sCARDiTryReadCardDmaPatternSdk4007532) cardiOnReadCardPoolOffset = 0xA0;
{ }
cardiCommon = *(u32*)((u8*)_cardiTryReadCardDma + 0x178) + 4; else if (_foundPattern == sCARDiTryReadCardDmaPatternSdk3027530Thumb)
cardiOnReadCard = *(u32*)((u8*)_cardiTryReadCardDma + 0x188); {
cardiSetCardDma = ArmHelper::GetArmCallAddress((u32*)((u8*)_cardiTryReadCardDma + 0x16C)); cardiCommon = *(u32*)((u8*)_cardiTryReadCardDma + 0xFC) + 4;
cardiSetCardDmaDmaCopyCallOffset = 0x1C; cardiOnReadCard = *(u32*)((u8*)_cardiTryReadCardDma + 0x120) & ~1u;
cardiOnReadCardOffset = 0x48; cardiSetCardDma = ArmHelper::GetThumbCallAddress((u16*)((u8*)_cardiTryReadCardDma + 0xEC)) & ~1u;
} cardiSetCardDmaDmaCopyCallOffset = 0xC;
else if (_foundPattern == sCARDiTryReadCardDmaPatternSdk4027539SpiritTracks) cardiOnReadCardDisableIrqCallOffset = 0x28;
{ cardiOnReadCardPatchOffset = 0x28;
cardiCommon = *(u32*)((u8*)_cardiTryReadCardDma + 0x180) + 4; patchUsingPool = true;
cardiOnReadCard = *(u32*)((u8*)_cardiTryReadCardDma + 0x190); cardiOnReadCardPoolOffset = 0xA0;
cardiSetCardDma = ArmHelper::GetArmCallAddress((u32*)((u8*)_cardiTryReadCardDma + 0x174)); }
cardiSetCardDmaDmaCopyCallOffset = 0x1C; else if (_foundPattern == sCARDiTryReadCardDmaPatternSdkThumb)
cardiOnReadCardOffset = 0x48; {
} cardiCommon = *(u32*)((u8*)_cardiTryReadCardDma + 0xFC) + 4;
else cardiOnReadCard = *(u32*)((u8*)_cardiTryReadCardDma + 0x110) & ~1u;
{ cardiSetCardDma = ArmHelper::GetThumbCallAddress((u16*)((u8*)_cardiTryReadCardDma + 0xF2)) & ~1u;
_cardiTryReadCardDma[0] = sReturnFalsePatchArm[0]; cardiSetCardDmaDmaCopyCallOffset = 0x10;
_cardiTryReadCardDma[1] = sReturnFalsePatchArm[1]; cardiOnReadCardDisableIrqCallOffset = 0x32;
return; cardiOnReadCardPatchOffset = 0x30;
} }
else if (_foundPattern == sCARDiTryReadCardDmaPatternSdk4007531Thumb)
// correct all addresses for autoload, if libcard is in an autoload block (New Super Mario Bros.) {
auto autoloadAdjuster = patchContext.GetAutoloadAdjuster(); cardiCommon = *(u32*)((u8*)_cardiTryReadCardDma + 0x100) + 4;
cardiOnReadCard = *(u32*)((u8*)_cardiTryReadCardDma + 0x114) & ~1u;
// CARDi_OnReadCard address is the final location, but we need its initial location to patch it now cardiSetCardDma = ArmHelper::GetThumbCallAddress((u16*)((u8*)_cardiTryReadCardDma + 0xF4)) & ~1u;
if (autoloadAdjuster) cardiSetCardDmaDmaCopyCallOffset = 0x10;
{ cardiOnReadCardDisableIrqCallOffset = 0x32;
cardiOnReadCard = autoloadAdjuster->AdjustFinalToInitial(cardiOnReadCard); cardiOnReadCardPatchOffset = 0x30;
} }
else if (_foundPattern == sCARDiTryReadCardDmaPatternSdk4017530Thumb || _foundPattern == sCARDiTryReadCardDmaPatternSdk4027530Thumb)
// MIi_CardDmaCopy32 is relative, but we need its final location to call it later {
u32 miiCardDmaCopy32CallLocation = cardiSetCardDma + cardiSetCardDmaDmaCopyCallOffset; cardiCommon = *(u32*)((u8*)_cardiTryReadCardDma + 0x124) + 4;
s32 miiCardDmaCopy32CallOffset = ArmHelper::GetArmCallOffset(*(u32*)miiCardDmaCopy32CallLocation); cardiOnReadCard = *(u32*)((u8*)_cardiTryReadCardDma + 0x138) & ~1u;
if (autoloadAdjuster) cardiSetCardDma = ArmHelper::GetThumbCallAddress((u16*)((u8*)_cardiTryReadCardDma + 0x118)) & ~1u;
{ cardiSetCardDmaDmaCopyCallOffset = 0x10;
miiCardDmaCopy32CallLocation = autoloadAdjuster->AdjustInitialToFinal(miiCardDmaCopy32CallLocation); cardiOnReadCardDisableIrqCallOffset = 0x32;
} cardiOnReadCardPatchOffset = 0x30;
u32 miiCardDmaCopy32 = miiCardDmaCopy32CallLocation + miiCardDmaCopy32CallOffset;
// same as above with OS_DisableIrqMask
u32 osDisableIrqMaskCallLocation = cardiOnReadCard + cardiOnReadCardOffset + 4;
s32 osDisableIrqMaskCallOffset = ArmHelper::GetArmCallOffset(*(u32*)osDisableIrqMaskCallLocation);
if (autoloadAdjuster)
{
osDisableIrqMaskCallLocation = autoloadAdjuster->AdjustInitialToFinal(osDisableIrqMaskCallLocation);
}
u32 osDisableIrqMask = osDisableIrqMaskCallLocation + osDisableIrqMaskCallOffset;
// patch CARDi_SetCardDma
auto sdReadDmaPatchCode = patchContext.GetLoaderPlatform()->CreateSdReadDmaPatchCode(
patchContext.GetPatchCodeCollection(), patchContext.GetPatchHeap(), (const void*)miiCardDmaCopy32);
auto romOffsetToSdSectorPatchCode = patchContext.GetPatchCodeCollection().GetOrAddSharedPatchCode([&]
{
return new RomOffsetToSdSectorPatchCode(patchContext.GetPatchHeap(),
(const rom_file_info_t*)((u32)SHARED_ROM_FILE_INFO - 0x02F00000 + 0x02700000));
});
auto cardiSetCardDmaPatchCode = patchContext.GetPatchCodeCollection().AddUniquePatchCode<CardiSetCardDmaPatchCode>
(
patchContext.GetPatchHeap(),
romOffsetToSdSectorPatchCode,
sdReadDmaPatchCode,
(const void*)cardiCommon,
(const void*)osDisableIrqMask
);
*(u32*)(cardiSetCardDma + 0) = 0xE51FF004; // ldr pc,= entryAddress
*(u32*)(cardiSetCardDma + 4) = (u32)cardiSetCardDmaPatchCode->GetCardiSetCardDmaFunction();
// patch CARDi_OnReadCard
*(u32*)(cardiOnReadCard + cardiOnReadCardOffset + 0) = 0xE59F0000; // ldr r0,= entryAddress
*(u32*)(cardiOnReadCard + cardiOnReadCardOffset + 4) = 0xE12FFF30; // blx r0
*(u32*)(cardiOnReadCard + cardiOnReadCardOffset + 8) = (u32)cardiSetCardDmaPatchCode->GetCardiOnReadCardPatchFunction();
LOG_DEBUG("DMA enabled\n");
} }
else else
{ {
_cardiTryReadCardDma[0] = sReturnFalsePatchArm[0]; LOG_DEBUG("Unsupported Thumb CARDi_TryReadCardDma signature\n");
_cardiTryReadCardDma[1] = sReturnFalsePatchArm[1]; ApplyReturnFalsePatch();
return;
} }
} }
else
{
if (_foundPattern == sCARDiTryReadCardDmaPatternUnknown)
{
cardiCommon = *(u32*)((u8*)_cardiTryReadCardDma + 0x144) + 4;
cardiOnReadCard = *(u32*)((u8*)_cardiTryReadCardDma + 0x154);
cardiSetCardDma = ArmHelper::GetArmCallAddress((u32*)((u8*)_cardiTryReadCardDma + 0x138));
cardiSetCardDmaDmaCopyCallOffset = 0x18;
cardiOnReadCardDisableIrqCallOffset = 0x44;
cardiOnReadCardPatchOffset = 0x40;
}
else if (_foundPattern == sCARDiTryReadCardDmaPatternSdk03007532HarvestMoon)
{
cardiCommon = *(u32*)((u8*)_cardiTryReadCardDma + 0x140) + 4;
cardiOnReadCard = *(u32*)((u8*)_cardiTryReadCardDma + 0x150);
cardiSetCardDma = ArmHelper::GetArmCallAddress((u32*)((u8*)_cardiTryReadCardDma + 0x134));
cardiSetCardDmaDmaCopyCallOffset = 0x1C;
cardiOnReadCardDisableIrqCallOffset = 0x4C;
cardiOnReadCardPatchOffset = 0x48;
}
else if (_foundPattern == sCARDiTryReadCardDmaPatternUnknown3)
{
cardiCommon = *(u32*)((u8*)_cardiTryReadCardDma + 0x14C) + 4;
cardiOnReadCard = *(u32*)((u8*)_cardiTryReadCardDma + 0x15C);
cardiSetCardDma = ArmHelper::GetArmCallAddress((u32*)((u8*)_cardiTryReadCardDma + 0x140));
cardiSetCardDmaDmaCopyCallOffset = 0x1C;
cardiOnReadCardDisableIrqCallOffset = 0x4C;
cardiOnReadCardPatchOffset = 0x48;
}
else if (_foundPattern == sCARDiTryReadCardDmaPatternSdk02027533PokemonRanger)
{
cardiCommon = *(u32*)((u8*)_cardiTryReadCardDma + 0x148);
cardiOnReadCard = *(u32*)((u8*)_cardiTryReadCardDma + 0x158);
cardiSetCardDma = ArmHelper::GetArmCallAddress((u32*)((u8*)_cardiTryReadCardDma + 0x138));
cardiSetCardDmaDmaCopyCallOffset = 0x18;
cardiOnReadCardDisableIrqCallOffset = 0x44;
cardiOnReadCardPatchOffset = 0x40;
}
else if (_foundPattern == sCARDiTryReadCardDmaPattern20029A7)
{
if (*(u32*)((u8*)_cardiTryReadCardDma + 0x140) == 0xE12FFF1E)
{
cardiCommon = *(u32*)((u8*)_cardiTryReadCardDma + 0x144);
cardiOnReadCard = *(u32*)((u8*)_cardiTryReadCardDma + 0x154);
}
else
{
cardiCommon = *(u32*)((u8*)_cardiTryReadCardDma + 0x134);
cardiOnReadCard = *(u32*)((u8*)_cardiTryReadCardDma + 0x144);
}
cardiSetCardDma = ArmHelper::GetArmCallAddress((u32*)((u8*)_cardiTryReadCardDma + 0x124));
cardiSetCardDmaDmaCopyCallOffset = 0x18;
cardiOnReadCardDisableIrqCallOffset = 0x44;
cardiOnReadCardPatchOffset = 0x40;
if (!ArmHelper::IsArmUnconditionalBl(*(u32*)(cardiSetCardDma + cardiSetCardDmaDmaCopyCallOffset)))
{
// some versions have inlined MIi_CardDmaCopy32
LOG_DEBUG("Failed to patch sCARDiTryReadCardDmaPattern20029A7\n");
ApplyReturnFalsePatch();
return;
}
}
else if (_foundPattern == sCARDiTryReadCardDmaPattern2012774)
{
cardiCommon = *(u32*)((u8*)_cardiTryReadCardDma + 0x140);
cardiOnReadCard = *(u32*)((u8*)_cardiTryReadCardDma + 0x150);
cardiSetCardDma = ArmHelper::GetArmCallAddress((u32*)((u8*)_cardiTryReadCardDma + 0x130));
cardiSetCardDmaDmaCopyCallOffset = 0x18;
cardiOnReadCardDisableIrqCallOffset = 0x44;
cardiOnReadCardPatchOffset = 0x40;
}
else if (_foundPattern == sCARDiTryReadCardDmaPattern2017532BrainAge)
{
cardiCommon = *(u32*)((u8*)_cardiTryReadCardDma + 0x13C);
cardiOnReadCard = *(u32*)((u8*)_cardiTryReadCardDma + 0x14C);
cardiSetCardDma = ArmHelper::GetArmCallAddress((u32*)((u8*)_cardiTryReadCardDma + 0x130));
cardiSetCardDmaDmaCopyCallOffset = 0x18;
cardiOnReadCardDisableIrqCallOffset = 0x44;
cardiOnReadCardPatchOffset = 0x40;
}
else if (_foundPattern == sCARDiTryReadCardDmaPattern2027530)
{
cardiCommon = *(u32*)((u8*)_cardiTryReadCardDma + 0x148);
cardiOnReadCard = *(u32*)((u8*)_cardiTryReadCardDma + 0x158);
cardiSetCardDma = ArmHelper::GetArmCallAddress((u32*)((u8*)_cardiTryReadCardDma + 0x138));
cardiSetCardDmaDmaCopyCallOffset = 0x18;
cardiOnReadCardDisableIrqCallOffset = 0x44;
cardiOnReadCardPatchOffset = 0x40;
}
else if (_foundPattern == sCARDiTryReadCardDmaPattern)
{
cardiCommon = *(u32*)((u8*)_cardiTryReadCardDma + 0x148) + 4;
cardiOnReadCard = *(u32*)((u8*)_cardiTryReadCardDma + 0x158);
cardiSetCardDma = ArmHelper::GetArmCallAddress((u32*)((u8*)_cardiTryReadCardDma + 0x138));
cardiSetCardDmaDmaCopyCallOffset = 0x18;
cardiOnReadCardDisableIrqCallOffset = 0x44;
cardiOnReadCardPatchOffset = 0x40;
}
else if (_foundPattern == sCARDiTryReadCardDmaPatternSdk3017530)
{
cardiCommon = *(u32*)((u8*)_cardiTryReadCardDma + 0x15C) + 4;
cardiOnReadCard = *(u32*)((u8*)_cardiTryReadCardDma + 0x16C);
if (*(u32*)((u8*)_cardiTryReadCardDma + 0x158) == 0xE12FFF1E)
{
cardiSetCardDma = ArmHelper::GetArmCallAddress((u32*)((u8*)_cardiTryReadCardDma + 0x148));
}
else
{
cardiSetCardDma = ArmHelper::GetArmCallAddress((u32*)((u8*)_cardiTryReadCardDma + 0x14C));
}
cardiSetCardDmaDmaCopyCallOffset = 0x18;
cardiOnReadCardDisableIrqCallOffset = 0x44;
cardiOnReadCardPatchOffset = 0x40;
}
else if (_foundPattern == sCARDiTryReadCardDmaPatternSdk3017534)
{
cardiCommon = *(u32*)((u8*)_cardiTryReadCardDma + 0x158) + 4;
cardiOnReadCard = *(u32*)((u8*)_cardiTryReadCardDma + 0x168);
cardiSetCardDma = ArmHelper::GetArmCallAddress((u32*)((u8*)_cardiTryReadCardDma + 0x148));
cardiSetCardDmaDmaCopyCallOffset = 0x18;
cardiOnReadCardDisableIrqCallOffset = 0x44;
cardiOnReadCardPatchOffset = 0x40;
}
else if (_foundPattern == sCARDiTryReadCardDmaPatternSdk3027530)
{
cardiCommon = *(u32*)((u8*)_cardiTryReadCardDma + 0x160) + 4;
cardiOnReadCard = *(u32*)((u8*)_cardiTryReadCardDma + 0x170);
cardiSetCardDma = ArmHelper::GetArmCallAddress((u32*)((u8*)_cardiTryReadCardDma + 0x14C));
cardiSetCardDmaDmaCopyCallOffset = 0x18;
cardiOnReadCardDisableIrqCallOffset = 0x44;
cardiOnReadCardPatchOffset = 0x40;
}
else if (_foundPattern == sCARDiTryReadCardDmaPatternSdk4007530)
{
cardiCommon = *(u32*)((u8*)_cardiTryReadCardDma + 0x150) + 4;
cardiOnReadCard = *(u32*)((u8*)_cardiTryReadCardDma + 0x160);
cardiSetCardDma = ArmHelper::GetArmCallAddress((u32*)((u8*)_cardiTryReadCardDma + 0x144));
cardiSetCardDmaDmaCopyCallOffset = 0x1C;
cardiOnReadCardDisableIrqCallOffset = 0x4C;
cardiOnReadCardPatchOffset = 0x48;
}
else if (_foundPattern == sCARDiTryReadCardDmaPatternSdk4007532)
{
cardiCommon = *(u32*)((u8*)_cardiTryReadCardDma + 0x178) + 4;
cardiOnReadCard = *(u32*)((u8*)_cardiTryReadCardDma + 0x188);
cardiSetCardDma = ArmHelper::GetArmCallAddress((u32*)((u8*)_cardiTryReadCardDma + 0x16C));
cardiSetCardDmaDmaCopyCallOffset = 0x1C;
cardiOnReadCardDisableIrqCallOffset = 0x4C;
cardiOnReadCardPatchOffset = 0x48;
}
else if (_foundPattern == sCARDiTryReadCardDmaPatternSdk4027539SpiritTracks)
{
cardiCommon = *(u32*)((u8*)_cardiTryReadCardDma + 0x180) + 4;
cardiOnReadCard = *(u32*)((u8*)_cardiTryReadCardDma + 0x190);
cardiSetCardDma = ArmHelper::GetArmCallAddress((u32*)((u8*)_cardiTryReadCardDma + 0x174));
cardiSetCardDmaDmaCopyCallOffset = 0x1C;
cardiOnReadCardDisableIrqCallOffset = 0x4C;
cardiOnReadCardPatchOffset = 0x48;
}
else
{
LOG_DEBUG("Unsupported ARM CARDi_TryReadCardDma signature\n");
ApplyReturnFalsePatch();
return;
}
}
// correct all addresses for autoload, if libcard is in an autoload block (New Super Mario Bros.)
auto autoloadAdjuster = patchContext.GetAutoloadAdjuster();
// CARDi_OnReadCard address is the final location, but we need its initial location to patch it now
if (autoloadAdjuster)
{
cardiOnReadCard = autoloadAdjuster->AdjustFinalToInitial(cardiOnReadCard);
}
// MIi_CardDmaCopy32 and OS_DisableIrqMask are relative, but we need their final locations to call them later
u32 miiCardDmaCopy32 = resolveCallWithAutoload(cardiSetCardDma + cardiSetCardDmaDmaCopyCallOffset, autoloadAdjuster, _thumb);
u32 osDisableIrqMask = resolveCallWithAutoload(cardiOnReadCard + cardiOnReadCardDisableIrqCallOffset, autoloadAdjuster, _thumb);
// begin with patching
auto sdReadDmaPatchCode = patchContext.GetLoaderPlatform()->CreateSdReadDmaPatchCode(
patchContext.GetPatchCodeCollection(), patchContext.GetPatchHeap(), (const void*)miiCardDmaCopy32);
auto romOffsetToSdSectorPatchCode = patchContext.GetPatchCodeCollection().GetOrAddSharedPatchCode([&]
{
return new RomOffsetToSdSectorPatchCode(patchContext.GetPatchHeap(),
(const rom_file_info_t*)((u32)SHARED_ROM_FILE_INFO - 0x02F00000 + 0x02700000));
});
auto cardiSetCardDmaPatchCode = patchContext.GetPatchCodeCollection().AddUniquePatchCode<CardiSetCardDmaPatchCode>
(
patchContext.GetPatchHeap(),
romOffsetToSdSectorPatchCode,
sdReadDmaPatchCode,
(const void*)cardiCommon,
(const void*)osDisableIrqMask
);
if (_thumb)
{
// patch CARDi_SetCardDma
*(u16*)(cardiSetCardDma + 0) = 0x4800; // ldr r0,= entryAddress
*(u16*)(cardiSetCardDma + 2) = 0x4700; // bx r0
*(u32*)(cardiSetCardDma + 4) = (u32)cardiSetCardDmaPatchCode->GetCardiSetCardDmaFunction();
// patch CARDi_OnReadCard
if (patchUsingPool)
{
*(u16*)(cardiOnReadCard + cardiOnReadCardPatchOffset) = 0x4780; // blx r0 (pre-loaded from pool)
*(u32*)(cardiOnReadCard + cardiOnReadCardPoolOffset) = (u32)cardiSetCardDmaPatchCode->GetCardiOnReadCardPatchFunction();
}
else
{
*(u16*)(cardiOnReadCard + cardiOnReadCardPatchOffset + 0) = 0x4800; // ldr r0,= entryAddress
*(u16*)(cardiOnReadCard + cardiOnReadCardPatchOffset + 2) = 0x4780; // blx r0
*(u32*)(cardiOnReadCard + cardiOnReadCardPatchOffset + 4) = (u32)cardiSetCardDmaPatchCode->GetCardiOnReadCardPatchFunction();
*(u16*)(cardiOnReadCard + cardiOnReadCardPatchOffset + 8) = 0x4600; // nop
}
}
else
{
// patch CARDi_SetCardDma
*(u32*)(cardiSetCardDma + 0) = 0xE51FF004; // ldr pc,= entryAddress
*(u32*)(cardiSetCardDma + 4) = (u32)cardiSetCardDmaPatchCode->GetCardiSetCardDmaFunction();
// patch CARDi_OnReadCard
*(u32*)(cardiOnReadCard + cardiOnReadCardPatchOffset + 0) = 0xE59F0000; // ldr r0,= entryAddress
*(u32*)(cardiOnReadCard + cardiOnReadCardPatchOffset + 4) = 0xE12FFF30; // blx r0
*(u32*)(cardiOnReadCard + cardiOnReadCardPatchOffset + 8) = (u32)cardiSetCardDmaPatchCode->GetCardiOnReadCardPatchFunction();
}
LOG_DEBUG("DMA enabled\n");
} }

1
arm9/source/patches/arm9/sdk2to4/CardiTryReadCardDmaPatch.h
View File

@@ -14,4 +14,5 @@ private:
const u32* _foundPattern = nullptr; const u32* _foundPattern = nullptr;
void TryPattern(PatchContext& patchContext, const u32* pattern); void TryPattern(PatchContext& patchContext, const u32* pattern);
void ApplyReturnFalsePatch();
}; };