EFIAPI
SetMemN (
OUT VOID *Buffer,
IN UINTN Length,
IN UINTN Value
)
{
if (sizeof (UINTN) == sizeof (UINT64)) {
return SetMem64 (Buffer, Length, (UINT64)Value);
} else {
return SetMem32 (Buffer, Length, (UINT32)Value);
}
}
INTN
EFIAPI
main (
IN INTN Argc,
IN CHAR8 **Argv,
IN CHAR8 **Envp
)
/*++
Routine Description:
Main entry point to SEC for WinNt. This is a Windows program
Arguments:
Argc - Number of command line arguments
Argv - Array of command line argument strings
Envp - Array of environment variable strings
Returns:
0 - Normal exit
1 - Abnormal exit
--*/
{
EFI_STATUS Status;
HANDLE Token;
TOKEN_PRIVILEGES TokenPrivileges;
VOID *TemporaryRam;
UINT32 TemporaryRamSize;
VOID *EmuMagicPage;
UINTN Index;
UINTN Index1;
CHAR16 *FileName;
CHAR16 *FileNamePtr;
BOOLEAN Done;
EFI_PEI_FILE_HANDLE FileHandle;
VOID *SecFile;
CHAR16 *MemorySizeStr;
CHAR16 *FirmwareVolumesStr;
UINT32 ProcessAffinityMask;
UINT32 SystemAffinityMask;
INT32 LowBit;
//
// Enable the privilege so that RTC driver can successfully run SetTime()
//
OpenProcessToken (GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES|TOKEN_QUERY, &Token);
if (LookupPrivilegeValue(NULL, SE_TIME_ZONE_NAME, &TokenPrivileges.Privileges[0].Luid)) {
TokenPrivileges.PrivilegeCount = 1;
TokenPrivileges.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
AdjustTokenPrivileges(Token, FALSE, &TokenPrivileges, 0, (PTOKEN_PRIVILEGES) NULL, 0);
}
MemorySizeStr = (CHAR16 *) PcdGetPtr (PcdEmuMemorySize);
FirmwareVolumesStr = (CHAR16 *) PcdGetPtr (PcdEmuFirmwareVolume);
SecPrint ("\nEDK II WIN Host Emulation Environment from http://www.tianocore.org/edk2/\n");
//
// Determine the first thread available to this process.
//
if (GetProcessAffinityMask (GetCurrentProcess (), &ProcessAffinityMask, &SystemAffinityMask)) {
LowBit = (INT32)LowBitSet32 (ProcessAffinityMask);
if (LowBit != -1) {
//
// Force the system to bind the process to a single thread to work
// around odd semaphore type crashes.
//
SetProcessAffinityMask (GetCurrentProcess (), (INTN)(BIT0 << LowBit));
}
}
//
// Make some Windows calls to Set the process to the highest priority in the
// idle class. We need this to have good performance.
//
SetPriorityClass (GetCurrentProcess (), IDLE_PRIORITY_CLASS);
SetThreadPriority (GetCurrentThread (), THREAD_PRIORITY_HIGHEST);
SecInitializeThunk ();
//
// PPIs pased into PEI_CORE
//
AddThunkPpi (EFI_PEI_PPI_DESCRIPTOR_PPI, &gEmuThunkPpiGuid, &mSecEmuThunkPpi);
//
// Emulator Bus Driver Thunks
//
AddThunkProtocol (&mWinNtWndThunkIo, (CHAR16 *)PcdGetPtr (PcdEmuGop), TRUE);
AddThunkProtocol (&mWinNtFileSystemThunkIo, (CHAR16 *)PcdGetPtr (PcdEmuFileSystem), TRUE);
AddThunkProtocol (&mWinNtBlockIoThunkIo, (CHAR16 *)PcdGetPtr (PcdEmuVirtualDisk), TRUE);
//
// Allocate space for gSystemMemory Array
//
gSystemMemoryCount = CountSeparatorsInString (MemorySizeStr, '!') + 1;
gSystemMemory = calloc (gSystemMemoryCount, sizeof (NT_SYSTEM_MEMORY));
if (gSystemMemory == NULL) {
SecPrint ("ERROR : Can not allocate memory for %S. Exiting.\n", MemorySizeStr);
exit (1);
}
//
// Allocate space for gSystemMemory Array
//
gFdInfoCount = CountSeparatorsInString (FirmwareVolumesStr, '!') + 1;
gFdInfo = calloc (gFdInfoCount, sizeof (NT_FD_INFO));
if (gFdInfo == NULL) {
SecPrint ("ERROR : Can not allocate memory for %S. Exiting.\n", FirmwareVolumesStr);
exit (1);
}
//
// Setup Boot Mode.
//
SecPrint (" BootMode 0x%02x\n", PcdGet32 (PcdEmuBootMode));
//
// Allocate 128K memory to emulate temp memory for PEI.
// on a real platform this would be SRAM, or using the cache as RAM.
// Set TemporaryRam to zero so WinNtOpenFile will allocate a new mapping
//
TemporaryRamSize = TEMPORARY_RAM_SIZE;
TemporaryRam = VirtualAlloc (NULL, (SIZE_T) (TemporaryRamSize), MEM_COMMIT, PAGE_EXECUTE_READWRITE);
if (TemporaryRam == NULL) {
SecPrint ("ERROR : Can not allocate enough space for SecStack\n");
exit (1);
}
SetMem32 (TemporaryRam, TemporaryRamSize, PcdGet32 (PcdInitValueInTempStack));
SecPrint (" OS Emulator passing in %u KB of temp RAM at 0x%08lx to SEC\n",
TemporaryRamSize / SIZE_1KB,
TemporaryRam
);
//
// If enabled use the magic page to communicate between modules
// This replaces the PI PeiServicesTable pointer mechanism that
// deos not work in the emulator. It also allows the removal of
// writable globals from SEC, PEI_CORE (libraries), PEIMs
//
EmuMagicPage = (VOID *)(UINTN)(FixedPcdGet64 (PcdPeiServicesTablePage) & MAX_UINTN);
if (EmuMagicPage != NULL) {
UINT64 Size;
Status = WinNtOpenFile (
NULL,
SIZE_4KB,
0,
&EmuMagicPage,
&Size
);
if (EFI_ERROR (Status)) {
SecPrint ("ERROR : Could not allocate PeiServicesTablePage @ %p\n", EmuMagicPage);
return EFI_DEVICE_ERROR;
}
}
//
// Open All the firmware volumes and remember the info in the gFdInfo global
// Meanwhile, find the SEC Core.
//
FileNamePtr = AllocateCopyPool (StrSize (FirmwareVolumesStr), FirmwareVolumesStr);
if (FileNamePtr == NULL) {
SecPrint ("ERROR : Can not allocate memory for firmware volume string\n");
exit (1);
}
for (Done = FALSE, Index = 0, SecFile = NULL; !Done; Index++) {
FileName = FileNamePtr;
for (Index1 = 0; (FileNamePtr[Index1] != '!') && (FileNamePtr[Index1] != 0); Index1++)
;
if (FileNamePtr[Index1] == 0) {
Done = TRUE;
} else {
FileNamePtr[Index1] = '\0';
FileNamePtr = &FileNamePtr[Index1 + 1];
}
//
// Open the FD and remember where it got mapped into our processes address space
//
Status = WinNtOpenFile (
FileName,
0,
OPEN_EXISTING,
&gFdInfo[Index].Address,
&gFdInfo[Index].Size
);
if (EFI_ERROR (Status)) {
SecPrint ("ERROR : Can not open Firmware Device File %S (0x%X). Exiting.\n", FileName, Status);
exit (1);
}
SecPrint (" FD loaded from %S\n", FileName);
if (SecFile == NULL) {
//
// Assume the beginning of the FD is an FV and look for the SEC Core.
// Load the first one we find.
//
FileHandle = NULL;
Status = PeiServicesFfsFindNextFile (
EFI_FV_FILETYPE_SECURITY_CORE,
(EFI_PEI_FV_HANDLE)gFdInfo[Index].Address,
&FileHandle
);
if (!EFI_ERROR (Status)) {
Status = PeiServicesFfsFindSectionData (EFI_SECTION_PE32, FileHandle, &SecFile);
if (!EFI_ERROR (Status)) {
SecPrint (" contains SEC Core");
}
}
}
SecPrint ("\n");
}
//
// Calculate memory regions and store the information in the gSystemMemory
// global for later use. The autosizing code will use this data to
// map this memory into the SEC process memory space.
//
for (Index = 0, Done = FALSE; !Done; Index++) {
//
// Save the size of the memory and make a Unicode filename SystemMemory00, ...
//
gSystemMemory[Index].Size = _wtoi (MemorySizeStr) * SIZE_1MB;
//
// Find the next region
//
for (Index1 = 0; MemorySizeStr[Index1] != '!' && MemorySizeStr[Index1] != 0; Index1++)
;
if (MemorySizeStr[Index1] == 0) {
Done = TRUE;
}
MemorySizeStr = MemorySizeStr + Index1 + 1;
}
SecPrint ("\n");
//
// Hand off to SEC Core
//
SecLoadSecCore ((UINTN)TemporaryRam, TemporaryRamSize, gFdInfo[0].Address, gFdInfo[0].Size, SecFile);
//
// If we get here, then the SEC Core returned. This is an error as SEC should
// always hand off to PEI Core and then on to DXE Core.
//
SecPrint ("ERROR : SEC returned\n");
exit (1);
}
