/**
* VBoxInitAppleSim entry point.
*
* @returns EFI status code.
*
* @param ImageHandle The image handle.
* @param SystemTable The system table pointer.
*/
EFI_STATUS EFIAPI
VBoxInitAppleSim(IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *SystemTable)
{
EFI_STATUS rc;
UINT64 FSBFrequency;
UINT64 TSCFrequency;
UINT64 CPUFrequency;
rc = SetProperVariables(ImageHandle, SystemTable->RuntimeServices);
ASSERT_EFI_ERROR (rc);
rc = SetPrivateVarProto(ImageHandle, gBS);
ASSERT_EFI_ERROR (rc);
GetVmVariable(EFI_INFO_INDEX_FSB_FREQUENCY, (CHAR8*)&FSBFrequency, sizeof FSBFrequency);
GetVmVariable(EFI_INFO_INDEX_TSC_FREQUENCY, (CHAR8*)&TSCFrequency, sizeof TSCFrequency);
GetVmVariable(EFI_INFO_INDEX_CPU_FREQUENCY, (CHAR8*)&CPUFrequency, sizeof CPUFrequency);
rc = CpuUpdateDataHub(gBS, FSBFrequency, TSCFrequency, CPUFrequency);
ASSERT_EFI_ERROR (rc);
rc = InitializeConsoleSim(ImageHandle, SystemTable);
ASSERT_EFI_ERROR (rc);
rc = gBS->InstallMultipleProtocolInterfaces (
&ImageHandle,
&gEfiUnknown1ProtocolGuid,
gUnknownProtoHandler,
NULL
);
ASSERT_EFI_ERROR (rc);
return EFI_SUCCESS;
}
static VOID
EFIAPI
VBoxConsoleSwitchMode (
IN EFI_EVENT Event,
IN VOID *Context
)
{
EFI_STATUS r = EFI_NOT_FOUND; /* Neither GOP nor UGA is found*/
EFI_TPL OldTpl;
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
if (Gop)
{
UINT32 mode = 2;
GetVmVariable(EFI_INFO_INDEX_GOP_MODE, (CHAR8 *)&mode, sizeof(UINT32));
r = Gop->SetMode(Gop, mode);
}
else if (Uga)
{
UINT32 H = 1027;
UINT32 V = 768;
GetVmVariable(EFI_INFO_INDEX_UGA_HORIZONTAL_RESOLUTION, (CHAR8 *)&H, sizeof(UINT32));
GetVmVariable(EFI_INFO_INDEX_UGA_VERTICAL_RESOLUTION, (CHAR8 *)&V, sizeof(UINT32));
r = Uga->SetMode(Uga, H, V, 32, 60);
}
if(EFI_ERROR(r))
goto done;
r = TextOutputProtocol->SetMode(TextOutputProtocol, TextOutputProtocol->Mode->MaxMode);
if(EFI_ERROR(r))
goto done;
done:
gBS->RestoreTPL (OldTpl);
return;
}
EFI_STATUS EFIAPI
GetDeviceProps(IN APPLE_GETVAR_PROTOCOL *This,
IN CHAR8 *Buffer,
IN OUT UINT32 *BufferSize)
{
UINT32 BufLen = *BufferSize, DataLen;
DataLen = GetVmVariable(EFI_INFO_INDEX_DEVICE_PROPS, Buffer, BufLen);
*BufferSize = DataLen;
if (DataLen > BufLen)
return EFI_BUFFER_TOO_SMALL;
return EFI_SUCCESS;
}
EFI_STATUS EFIAPI
SetProperVariables(IN EFI_HANDLE ImageHandle, EFI_RUNTIME_SERVICES * rs)
{
EFI_STATUS rc;
UINT32 vBackgroundClear = 0x00000000;
UINT32 vFwFeatures = 0x80000015;
UINT32 vFwFeaturesMask = 0x800003ff;
// -legacy acpi=0xffffffff acpi_debug=0xfffffff panic_io_port=0xef11 io=0xfffffffe trace=4096 io=0xffffffef -v serial=2 serialbaud=9600
// 0x10 makes kdb default, thus 0x15e for kdb, 0x14e for gdb
//static const CHAR8 vBootArgs[] = "debug=0x15e keepsyms=1 acpi=0xffffffff acpi_debug=0xff acpi_level=7 -v -x32 -s"; // or just "debug=0x8 -legacy"
// 0x14e for serial output
//static const CHAR8 vDefBootArgs[] = "debug=0x146 keepsyms=1 -v -serial=0x1";
static const CHAR8 vDefBootArgs[] = "keepsyms=1 -v -serial=0x1";
CHAR8 vBootArgs[256];
UINT32 BootArgsLen;
BootArgsLen = GetVmVariable(EFI_INFO_INDEX_BOOT_ARGS, vBootArgs, sizeof vBootArgs);
if (BootArgsLen <= 1)
{
BootArgsLen = sizeof vDefBootArgs;
CopyMem(vBootArgs, vDefBootArgs, BootArgsLen);
}
rc = rs->SetVariable(L"BackgroundClear",
&gEfiAppleNvramGuid,
/* EFI_VARIABLE_NON_VOLATILE | */ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
sizeof(vBackgroundClear), &vBackgroundClear);
rc = rs->SetVariable(L"FirmwareFeatures",
&gEfiAppleNvramGuid,
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
sizeof(vFwFeatures), &vFwFeatures);
rc = rs->SetVariable(L"FirmwareFeaturesMask",
&gEfiAppleNvramGuid,
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
sizeof(vFwFeaturesMask), &vFwFeaturesMask);
rc = rs->SetVariable(L"boot-args",
&gEfiAppleBootGuid,
EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
BootArgsLen, &vBootArgs);
return EFI_SUCCESS;
}