mirror of
https://github.com/wiiu-env/FunctionPatcherModule.git
synced 2024-11-18 07:49:20 +01:00
28 lines
994 B
C++
28 lines
994 B
C++
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#include <coreinit/cache.h>
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#include <coreinit/memorymap.h>
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#include <kernel/kernel.h>
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bool ReadFromPhysicalAddress(uint32_t srcPhys, uint32_t *out) {
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if (!out) {
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return false;
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}
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// Check if patched instruction is still loaded.
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volatile uint32_t currentInstruction;
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auto currentInstructionAddress = (uint32_t) ¤tInstruction;
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uint32_t currentInstructionAddressPhys;
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if (currentInstructionAddress < 0x00800000 || currentInstructionAddress >= 0x01000000) {
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currentInstructionAddressPhys = (uint32_t) OSEffectiveToPhysical(currentInstructionAddress);
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} else {
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currentInstructionAddressPhys = currentInstructionAddress + 0x30800000 - 0x00800000;
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}
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if (currentInstructionAddressPhys == 0) {
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return false;
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}
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// Save the instruction we will replace.
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KernelCopyData(currentInstructionAddressPhys, srcPhys, 4);
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DCFlushRange((void *) ¤tInstruction, 4);
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*out = currentInstruction;
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return true;
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}
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