Initial commit

arm9/source/patches/arm7/PokemonDownloaderArm7Patch.cpp

@@ -0,0 +1,27 @@
+#include "common.h"
+#include "../PatchContext.h"
+#include "PokemonDownloaderArm7PatchAsm.h"
+#include "PokemonDownloaderArm7Patch.h"
+
+static const u32 sBootFunctionPattern[] = { 0xE92D4070u, 0xE59F0098u, 0xE5904004u, 0xE3540000u };
+
+bool PokemonDownloaderArm7Patch::FindPatchTarget(PatchContext& patchContext)
+{
+    _bootFunction = patchContext.FindPattern32(sBootFunctionPattern, sizeof(sBootFunctionPattern));
+    return _bootFunction != nullptr;
+}
+
+void PokemonDownloaderArm7Patch::ApplyPatch(PatchContext& patchContext)
+{
+    if (!_bootFunction)
+    {
+        return;
+    }
+
+    auto patchCode = patchContext.GetPatchCodeCollection().AddUniquePatchCode<PokemonDownloaderArm7PatchCode>(
+        patchContext.GetPatchHeap());
+
+    _bootFunction[0] = 0xE59F0000; // ldr r0,= address
+    _bootFunction[1] = 0xE12FFF10; // bx r0
+    _bootFunction[2] = (u32)patchCode->GetBoot7Function(); // address
+}