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Fix KiGetOrPutUserData

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This commit is contained in:
Maschell 2023-02-16 12:35:33 +01:00
parent 88de314828
commit 3a8d8a979c
1 changed files with 13 additions and 8 deletions
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21
source/function_replacements.cpp
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@ -56,17 +56,22 @@ DECL_FUNCTION(uint32_t, KiIsEffectiveRangeValid, uint32_t addressSpace, uint32_t
// clang-format on
DECL_FUNCTION(uint32_t, KiGetOrPutUserData, void *src, uint32_t size, void *dst, bool isRead) {
//
if (isRead && MemoryMapping_EffectiveToPhysical((uint32_t) src) > 0) {
k_memcpy(dst, src, size);
return 1;
} else if (!isRead && MemoryMapping_EffectiveToPhysical((uint32_t) dst) > 0) {
// src and dst are swapped here
k_memcpy(src, dst, size);
if (real_KiGetOrPutUserData(src, size, dst, isRead)) {
return 1;
}
return real_KiGetOrPutUserData(src, size, dst, isRead);
// check if the src (src is the destication for writes) buffer is valid
if (MemoryMapping_EffectiveToPhysical((uint32_t) src) == 0) {
return 0;
}
if (isRead) {
k_memcpy(dst, src, size);
} else if (!isRead && MemoryMapping_EffectiveToPhysical((uint32_t) src) > 0) {
// src and dst are swapped here
k_memcpy(src, dst, size);
}
return 1;
}
DECL_FUNCTION(MEMHeapHandle, MEMFindContainHeap, void *block) {