From 0225c49e3a2a90fd0759ed233f95c31693940b42 Mon Sep 17 00:00:00 2001
From: Maschell <Maschell@gmx.de>
Date: Sun, 31 May 2020 02:25:07 +0200
Subject: [PATCH] reloactor: Add KiIsEffectiveRangeValid patch

---
 relocator/src/hooks_patcher_static.cpp   | 10 ++++++++++
 relocator/src/utils/function_patcher.cpp |  2 ++
 2 files changed, 12 insertions(+)

diff --git a/relocator/src/hooks_patcher_static.cpp b/relocator/src/hooks_patcher_static.cpp
index b429d91..c51de7a 100644
--- a/relocator/src/hooks_patcher_static.cpp
+++ b/relocator/src/hooks_patcher_static.cpp
@@ -95,10 +95,20 @@ DECL(uint32_t, IPCKDriver_ValidatePhysicalAddress, uint32_t u1, uint32_t physSta
     return real_IPCKDriver_ValidatePhysicalAddress(u1, physStart, physEnd);
 }
 
+DECL(uint32_t, KiIsEffectiveRangeValid, uint32_t addressSpace, uint32_t virtualAddress, uint32_t size) {
+    uint32_t result = real_KiIsEffectiveRangeValid(addressSpace, virtualAddress, size);
+    if (result == 0) {
+        if(MemoryMappingEffectiveToPhysicalPTR != 0){
+            return ((uint32_t (*)(uint32_t)) ((uint32_t *) MemoryMappingEffectiveToPhysicalPTR))(virtualAddress);
+        }
+    }
+    return result;
+}
 hooks_magic_t method_hooks_hooks_static[] __attribute__((section(".data"))) = {
         MAKE_MAGIC(KiEffectiveToPhysical,               LIB_CORE_INIT, STATIC_FUNCTION),
         MAKE_MAGIC(KiPhysicalToEffectiveCached,         LIB_CORE_INIT, STATIC_FUNCTION),
         MAKE_MAGIC(KiPhysicalToEffectiveUncached,       LIB_CORE_INIT, STATIC_FUNCTION),
+        MAKE_MAGIC(KiIsEffectiveRangeValid,             LIB_CORE_INIT, STATIC_FUNCTION),
         MAKE_MAGIC(IPCKDriver_ValidatePhysicalAddress,  LIB_CORE_INIT, STATIC_FUNCTION),
         MAKE_MAGIC(OSDynLoad_Acquire,                   LIB_CORE_INIT, STATIC_FUNCTION),
         MAKE_MAGIC(OSDynLoad_FindExport,                LIB_CORE_INIT, STATIC_FUNCTION)
diff --git a/relocator/src/utils/function_patcher.cpp b/relocator/src/utils/function_patcher.cpp
index 03b00a7..417c5bd 100644
--- a/relocator/src/utils/function_patcher.cpp
+++ b/relocator/src/utils/function_patcher.cpp
@@ -253,6 +253,8 @@ uint32_t GetAddressOfFunction(const char *functionName, uint32_t library) {
         return 0xffee0a3c;
     }else if(strcmp(functionName, "IPCKDriver_ValidatePhysicalAddress") == 0){
         return 0xfff0cb5c;
+    }else if(strcmp(functionName, "KiIsEffectiveRangeValid") == 0){
+        return 0xffee0d6c;
     }
 
     OSDynLoad_Module rpl_handle = 0;