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https://github.com/brain-hackers/brainlilo
synced 2024-12-08 05:10:05 +09:00
now working!
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parent
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@ -68,9 +68,6 @@ static FileSystemPowerFunctionProc FileSystemPowerFunction;
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typedef LPVOID (*AllocPhysMemProc)(DWORD,DWORD,DWORD,DWORD,PULONG);
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DWORD FileSize;
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unsigned long bootloaderphysaddr;
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static void disableInterrupts(){
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asm volatile("mrs r0, cpsr\n"
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"orr r0,r0,#0x80\n"
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@ -126,10 +123,11 @@ static void EDNA2_runPhysicalInvoker(){
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asm volatile("msr cpsr_c, #211\n" // to supervisor mode
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"mrc p15,0,r0,c1,c0,0\n" // read ctrl regs
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"bic r0, r0, #8192\n" // reset vector to lower
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"bic r0, r0, #5\n" // disable MMU/DCache
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"mcr p15,0,r0,c1,c0,0\n" // write ctrl regs
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);
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for(DWORD i=0;i<FileSize;i++)*((char*)(0x40100000+i))=*((char*)bootloaderphysaddr+i);
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for(int i=0;i<0x100000;i++)*((char *)(0x80200000+i))=*((char *)(0x80000000+i));
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asm volatile("ldr r0, =0x0000\n"
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"ldr r1, =0x0000\n"
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"ldr r2, =0x0000\n"
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@ -138,9 +136,12 @@ static void EDNA2_runPhysicalInvoker(){
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"ldr r5, =0x0000\n"
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"ldr r6, =0x0000\n"
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"ldr r7, =0x0000\n"
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"ldr r8, =0x40100000\n"
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"ldr r8, =0x40200000\n"
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"ldr r9, =0x0000\n"
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"mrc p15,0,r10,c1,c0,0\n" // read ctrl regs
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"bic r10, r10, #5\n" // disable MMU/DCache
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"mcr p15,0,r10,c1,c0,0\n" // write ctrl regs
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"swi #0\n" // jump!
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);
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@ -164,21 +165,8 @@ static bool doLinux(){
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LPVOID bootloaderptr;
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wchar_t buf[256];
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HINSTANCE dll;
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AllocPhysMemProc AllocPhysMem;
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DWORD wReadSize;
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DWORD wReadSize,FileSize;
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dll=LoadLibrary(TEXT("COREDLL.DLL"));
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if (dll == NULL) {
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OutputDebugString(L"BrainLILO: Cant load COREDLL.DLL");
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return false;
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}
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AllocPhysMem=(AllocPhysMemProc)GetProcAddress(dll,TEXT("AllocPhysMem"));
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if (AllocPhysMem == NULL) {
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OutputDebugString(L"BrainLILO: Cant load AllocPhysMem function");
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return false;
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}
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OutputDebugString(L"BrainLILO: Opening Bootloader file...");
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hFile = CreateFile(bootloaderFileName , GENERIC_READ , 0 , NULL ,OPEN_EXISTING , FILE_ATTRIBUTE_NORMAL , NULL);
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if (hFile == INVALID_HANDLE_VALUE) {
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@ -192,12 +180,12 @@ static bool doLinux(){
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swprintf(buf, L"BrainLILO: Bootloader file size %d Byte\n",FileSize);
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OutputDebugString(buf);
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bootloaderptr=AllocPhysMem(FileSize,PAGE_EXECUTE_READWRITE,0,0,&bootloaderphysaddr);
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swprintf(buf, L"BrainLILO: Allocated preload memory Virtual:%p Physical:%p\n",bootloaderptr,bootloaderphysaddr);
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OutputDebugString(buf);
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OutputDebugString(L"BrainLILO: Copying bootloader to allocated virtual memory...");
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ReadFile(hFile , bootloaderptr , FileSize , &wReadSize , NULL);
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OutputDebugString(L"BrainLILO: Preloading bootloader to 0x80000000...");
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if (!ReadFile(hFile , (void *)0x80000000 , FileSize , &wReadSize , NULL)) {
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OutputDebugString(L"Cant read bootloader");
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return false;
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}
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OutputDebugString(L"BrainLILO: Bootloader copied! Closing file handle...");
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CloseHandle(hFile);
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