mirror of
https://github.com/brain-hackers/brainlilo
synced 2024-12-08 05:10:05 +09:00
modified: BrainLILODrv.cpp
This commit is contained in:
parent
5efeb09b0f
commit
8a8fe81433
@ -68,7 +68,8 @@ static FileSystemPowerFunctionProc FileSystemPowerFunction;
|
||||
|
||||
typedef LPVOID (*AllocPhysMemProc)(DWORD,DWORD,DWORD,DWORD,PULONG);
|
||||
|
||||
typedef void (*NKForceCleanBootProc)(BOOL);
|
||||
DWORD wReadSize;
|
||||
unsigned long bootloaderphysaddr;
|
||||
|
||||
static void disableInterrupts(){
|
||||
asm volatile("mrs r0, cpsr\n"
|
||||
@ -111,7 +112,7 @@ static void EDNA2_physicalInvoker(){
|
||||
static void EDNA2_installPhysicalInvoker(){
|
||||
void *ptr=(void *)0xa8000000;
|
||||
wchar_t buf[256];
|
||||
swprintf(buf, L"ResetKit: copying to 0x%08x from 0x%08x\n",
|
||||
swprintf(buf, L"BrainLILO: copying PhysicalInvoker to 0x%08x from 0x%08x\n",
|
||||
(int)(ptr), (int)(&EDNA2_physicalInvoker));
|
||||
OutputDebugString(buf);
|
||||
memcpy(ptr, (const void *)&EDNA2_physicalInvoker, 64*4);
|
||||
@ -120,14 +121,16 @@ static void EDNA2_installPhysicalInvoker(){
|
||||
|
||||
|
||||
__attribute__((noreturn))
|
||||
static void EDNA2_runPhysicalInvoker(unsigned long bootloaderphysaddr,DWORD size){
|
||||
static void EDNA2_runPhysicalInvoker(){
|
||||
// r0=info
|
||||
asm volatile("msr cpsr_c, #211\n" // to supervisor mode
|
||||
"mrc p15,0,r0,c1,c0,0\n" // read ctrl regs
|
||||
"bic r0, r0, #8192\n" // reset vector to lower
|
||||
"bic r0, r0, #5\n" // disable MMU/DCache
|
||||
"mcr p15,0,r0,c1,c0,0\n" // write ctrl regs
|
||||
|
||||
"ldr r0, =0x0000\n"
|
||||
);
|
||||
for(DWORD i=0;i<wReadSize;i++)*((char*)(0x40100000+i))=*((char*)bootloaderphysaddr+i);
|
||||
asm volatile("ldr r0, =0x0000\n"
|
||||
"ldr r1, =0x0000\n"
|
||||
"ldr r2, =0x0000\n"
|
||||
"ldr r3, =0x0000\n"
|
||||
@ -135,15 +138,10 @@ static void EDNA2_runPhysicalInvoker(unsigned long bootloaderphysaddr,DWORD size
|
||||
"ldr r5, =0x0000\n"
|
||||
"ldr r6, =0x0000\n"
|
||||
"ldr r7, =0x0000\n"
|
||||
"ldr r8, =0x40002000\n"
|
||||
"ldr r8, =0x40100000\n"
|
||||
"ldr r9, =0x0000\n"
|
||||
|
||||
"mrc p15,0,r10,c1,c0,0\n" // read ctrl regs
|
||||
"bic r10, r10, #5\n" // disable MMU/DCache
|
||||
"mcr p15,0,r10,c1,c0,0\n" // write ctrl regs
|
||||
);
|
||||
for(unsigned int i=0;i<size;i++)*((char *)(0x40002000+i))=*((char *)(bootloaderphysaddr+i));
|
||||
asm volatile("swi #0\n" // jump!
|
||||
|
||||
"swi #0\n" // jump!
|
||||
);
|
||||
|
||||
// never reach here
|
||||
@ -151,56 +149,59 @@ static void EDNA2_runPhysicalInvoker(unsigned long bootloaderphysaddr,DWORD size
|
||||
}
|
||||
|
||||
__attribute__((noreturn))
|
||||
static DWORD EDNA2_callKernelEntryPoint(unsigned long bootloaderphysaddr,DWORD size){
|
||||
static DWORD EDNA2_callKernelEntryPoint(){
|
||||
OutputDebugString(L"BrainLILO: disabling interrupts");
|
||||
disableInterrupts();
|
||||
OutputDebugString(L"BrainLILO: injecting code to internal ram");
|
||||
EDNA2_installPhysicalInvoker();
|
||||
OutputDebugString(L"BrainLILO: invoking");
|
||||
EDNA2_runPhysicalInvoker(bootloaderphysaddr,size);
|
||||
EDNA2_runPhysicalInvoker();
|
||||
}
|
||||
|
||||
static bool doLinux(){
|
||||
char *bootloaderdata;
|
||||
TCHAR bootloaderFileName[128]=TEXT("\\Storage Card\\loader\\u-boot.bin");
|
||||
HANDLE hFile;
|
||||
DWORD wReadSize;
|
||||
unsigned long bootloaderphysaddr;
|
||||
PULONG bootloaderptr;
|
||||
char *bootloaderptr;
|
||||
wchar_t buf[256];
|
||||
HINSTANCE dll;
|
||||
AllocPhysMemProc AllocPhysMem;
|
||||
|
||||
dll=LoadLibrary(TEXT("COREDLL.DLL"));
|
||||
if (dll == NULL) {
|
||||
OutputDebugString(L"Cant load DLL");
|
||||
return false;
|
||||
}
|
||||
AllocPhysMem=(AllocPhysMemProc)GetProcAddress(dll,TEXT("AllocPhysMem"));
|
||||
if (AllocPhysMem == NULL) {
|
||||
OutputDebugString(L"Cant load AllocPhysMem function");
|
||||
OutputDebugString(L"BrainLILO: Cant load COREDLL.DLL");
|
||||
return false;
|
||||
}
|
||||
|
||||
OutputDebugString(L"BrainLILO: loading bootloader.");
|
||||
hFile = CreateFile(bootloaderFileName , GENERIC_READ , 0 , NULL ,OPEN_EXISTING , FILE_ATTRIBUTE_NORMAL , NULL);
|
||||
if (hFile == INVALID_HANDLE_VALUE) {
|
||||
OutputDebugString(L"Cant load bootloader");
|
||||
AllocPhysMem=(AllocPhysMemProc)GetProcAddress(dll,TEXT("AllocPhysMem"));
|
||||
if (AllocPhysMem == NULL) {
|
||||
OutputDebugString(L"BrainLILO: Cant load AllocPhysMem function");
|
||||
return false;
|
||||
}
|
||||
bootloaderdata = (char *)malloc(GetFileSize(hFile , NULL));
|
||||
ReadFile(hFile , bootloaderdata , GetFileSize(hFile , NULL) , &wReadSize , NULL);
|
||||
CloseHandle(hFile);
|
||||
|
||||
bootloaderptr=(PULONG)AllocPhysMem(wReadSize,PAGE_EXECUTE_READWRITE,0,0,&bootloaderphysaddr);
|
||||
wchar_t buf[256];
|
||||
swprintf(buf, L"BrainLILO: copying bootloader to 0x%08x from 0x%08x\n",(int)(bootloaderptr), (int)(bootloaderdata));
|
||||
|
||||
OutputDebugString(L"BrainLILO: Opening Bootloader file...");
|
||||
hFile = CreateFile(bootloaderFileName , GENERIC_READ , 0 , NULL ,OPEN_EXISTING , FILE_ATTRIBUTE_NORMAL , NULL);
|
||||
if (hFile == INVALID_HANDLE_VALUE) {
|
||||
OutputDebugString(L"Cant open bootloader");
|
||||
return false;
|
||||
}
|
||||
swprintf(buf, L"BrainLILO: Bootloader file handle 0x%08x\n",(int)(hFile));
|
||||
OutputDebugString(buf);
|
||||
memcpy(bootloaderptr,bootloaderdata,wReadSize);
|
||||
OutputDebugString(L"BrainLILO: bootloader copied");
|
||||
free(bootloaderdata);
|
||||
FreeLibrary(dll);
|
||||
Sleep(100);
|
||||
EDNA2_callKernelEntryPoint(bootloaderphysaddr,wReadSize);
|
||||
|
||||
|
||||
bootloaderptr=(char*)AllocPhysMem(GetFileSize(hFile , NULL),PAGE_EXECUTE_READWRITE,0,0,&bootloaderphysaddr);
|
||||
swprintf(buf, L"BrainLILO: Allocated preload memory Virtual:%p Physical:%p\n",bootloaderptr,bootloaderphysaddr);
|
||||
OutputDebugString(buf);
|
||||
|
||||
OutputDebugString(L"BrainLILO: Copying bootloader to allocated virtual memory...");
|
||||
ReadFile(hFile , bootloaderptr , GetFileSize(hFile , NULL) , &wReadSize , NULL);
|
||||
OutputDebugString(L"BrainLILO: Bootloader copied! Closing file handle...");
|
||||
CloseHandle(hFile);
|
||||
|
||||
OutputDebugString(L"BrainLILO: Notifying power off to filesystems...");
|
||||
if(FileSystemPowerFunction) FileSystemPowerFunction(FSNOTIFY_POWER_OFF);
|
||||
|
||||
OutputDebugString(L"BrainLILO: Starting bootloader call sequence...");
|
||||
EDNA2_callKernelEntryPoint();
|
||||
return true;
|
||||
}
|
||||
|
||||
@ -210,8 +211,6 @@ extern "C" BRAINLILODRV_API BOOL LIN_IOControl(DWORD handle, DWORD dwIoControlCo
|
||||
|
||||
switch(dwIoControlCode){
|
||||
case IOCTL_LIN_DO_LINUX:
|
||||
if(FileSystemPowerFunction)
|
||||
FileSystemPowerFunction(FSNOTIFY_POWER_OFF);
|
||||
if(!doLinux()){
|
||||
if(FileSystemPowerFunction)
|
||||
FileSystemPowerFunction(FSNOTIFY_POWER_ON);
|
||||
|
Loading…
Reference in New Issue
Block a user