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Add more KernelNOPs and run them on all cores

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This commit is contained in:
Maschell 2020-06-06 22:35:48 +02:00
parent 73537b58d4
commit 093343ddf9
1 changed files with 25 additions and 3 deletions
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28
source/memory_mapping.cpp
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@ -24,6 +24,29 @@ void runOnAllCores(CThread::Callback callback, void *callbackArg, int32_t iAttr
}
}
void writeKernelNOPs(CThread *thread, void *arg) {
uint16_t core = OSGetThreadAffinity(OSGetCurrentThread());
DEBUG_FUNCTION_LINE("Writing kernel NOPs on core %d\n", core/2);
KernelNOPAtPhysicalAddress(0xFFF1D754);
KernelNOPAtPhysicalAddress(0xFFF1D64C);
KernelNOPAtPhysicalAddress(0xFFE00638);
KernelNOPAtPhysicalAddress(0xfff01db0);
KernelNOPAtPhysicalAddress(0xfff01db4);
KernelNOPAtPhysicalAddress(0xfff01a00);
KernelNOPAtPhysicalAddress(0xfff01a04);
KernelNOPAtPhysicalAddress(0xfff01e90);
KernelNOPAtPhysicalAddress(0xfff01ea0);
KernelNOPAtPhysicalAddress(0xfff01ea4);
KernelNOPAtPhysicalAddress(0xfff0db24);
KernelNOPAtPhysicalAddress(0xfff0dbb4);
KernelNOPAtPhysicalAddress(0xfff0dbbc);
KernelNOPAtPhysicalAddress(0xfff0dbc8);
KernelNOPAtPhysicalAddress(0xfff0dbcc);
}
void writeSegmentRegister(CThread *thread, void *arg) {
sr_table_t *table = (sr_table_t *) arg;
uint16_t core = OSGetThreadAffinity(OSGetCurrentThread());
@ -298,9 +321,8 @@ void MemoryMapping_memoryMappingForRegions(const memory_mapping_t *memory_mappin
void MemoryMapping_setupMemoryMapping() {
// Override all writes to SR8 with nops.
KernelNOPAtPhysicalAddress(0xFFF1D754);
KernelNOPAtPhysicalAddress(0xFFF1D64C);
KernelNOPAtPhysicalAddress(0xFFE00638);
// Override some memory region checks inside the kernel
runOnAllCores(writeKernelNOPs,NULL);
//runOnAllCores(readAndPrintSegmentRegister,NULL,0,16,0x80000);