libkernel/source/utils.cpp

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#include "kernel/kernel.h"
#include <coreinit/cache.h>
#include <coreinit/memorymap.h>
void KernelReadPTE(uint32_t outputAddr, int32_t length) {
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auto dst = (uint32_t) OSEffectiveToPhysical(outputAddr);
uint32_t src = 0xFFE20000;
ICInvalidateRange(&dst, 4);
DCFlushRange(&dst, 4);
DCFlushRange(&src, 4);
KernelCopyData(dst, src, length);
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DCFlushRange((void *) outputAddr, length);
ICInvalidateRange((void *) outputAddr, length);
}
void KernelWritePTE(uint32_t inputAddr, int32_t length) {
uint32_t dst = 0xFFE20000;
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auto src = (uint32_t) OSEffectiveToPhysical(inputAddr);
ICInvalidateRange(&src, 4);
DCFlushRange(&src, 4);
KernelCopyData(dst, src, length);
}
void KernelNOPAtPhysicalAddress(uint32_t addr) {
uint32_t dst = 0x60000000;
ICInvalidateRange(&dst, 4);
DCFlushRange(&dst, 4);
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KernelCopyData(addr, (uint32_t) OSEffectiveToPhysical((uint32_t) &dst), 4);
}