C++ (Cpp) SIMPLE_TEXT_OUTPUT_INTERFACE::OutputString示例

示例#1

文件： main.c 项目： JabirTech/Source

static int
command_nvram(int argc, char *argv[])
{
	CHAR16 var[128];
	CHAR16 *data;
	EFI_STATUS status;
	EFI_GUID varguid = { 0,0,0,{0,0,0,0,0,0,0,0} };
	unsigned int varsz;
	unsigned int datasz;
	SIMPLE_TEXT_OUTPUT_INTERFACE *conout;
	int i;

	conout = ST->ConOut;

	/* Initiate the search */
	status = RS->GetNextVariableName(&varsz, NULL, NULL);

	for (; status != EFI_NOT_FOUND; ) {
		status = RS->GetNextVariableName(&varsz, var,
		    &varguid);
		//if (EFI_ERROR(status))
			//break;

		conout->OutputString(conout, var);
		printf("=");
		datasz = 0;
		status = RS->GetVariable(var, &varguid, NULL, &datasz,
		    NULL);
		/* XXX: check status */
		data = malloc(datasz);
		status = RS->GetVariable(var, &varguid, NULL, &datasz,
		    data);
		if (EFI_ERROR(status))
			printf("<error retrieving variable>");
		else {
			for (i = 0; i < datasz; i++) {
				if (isalnum(data[i]) || isspace(data[i]))
					printf("%c", data[i]);
				else
					printf("\\x%02x", data[i]);
			}
		}
		/* XXX */
		pager_output("\n");
		free(data);
	}

	return (CMD_OK);
}

示例#2

文件： gfx_example.c 项目： cirosantilli/efi-example

/**
 * efi_main - The entry point for the EFI application
 * @image: firmware-allocated handle that identifies the image
 * @SystemTable: EFI system table
 */
EFI_STATUS
efi_main(EFI_HANDLE image, EFI_SYSTEM_TABLE *systemTable)
{
	EFI_BOOT_SERVICES *bs = systemTable->BootServices;
	EFI_GRAPHICS_OUTPUT_PROTOCOL *graphicsProtocol;

	SIMPLE_TEXT_OUTPUT_INTERFACE *conOut = systemTable->ConOut;
	EFI_EVENT event = systemTable->ConIn->WaitForKey;
	UINTN index;

	int i, modeCount;

	EFI_STATUS status = bs->LocateProtocol(&GraphicsOutputProtocolGUID, NULL, 
		(void**)&graphicsProtocol);

	if (EFI_ERROR(status) || graphicsProtocol == NULL) {
		conOut->OutputString(conOut, L"Failed to init gfx!\r\n");
		return status;
	}

	//Switch to current mode so gfx is started.
	status = graphicsProtocol->SetMode(graphicsProtocol, graphicsProtocol->Mode->Mode);
	if (EFI_ERROR(status)) {
		conOut->OutputString(conOut, L"Failed to set default mode!\r\n");
		return status;
	}

	conOut->OutputString(conOut, L"Current mode: ");
	printInt(conOut, graphicsProtocol->Mode->Mode);
	conOut->OutputString(conOut, L"\r\n");

	modeCount = graphicsProtocol->Mode->MaxMode;
	for (i = 0; i < modeCount; i++) {
		conOut->OutputString(conOut, L"\r\n");
		printInt(conOut, i);
		conOut->OutputString(conOut, L": ");
		EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *info;
		UINTN SizeOfInfo;
		status = graphicsProtocol->QueryMode(graphicsProtocol, i, &SizeOfInfo, &info);

		if (EFI_ERROR(status)) {
			conOut->OutputString(conOut, L" Failure to query mode: ");
			printInt(conOut, status);
			continue;
		}
		printInt(conOut, info->HorizontalResolution);
		conOut->OutputString(conOut, L" x ");
		printInt(conOut, info->VerticalResolution);

		switch(info->PixelFormat) {
			case PixelRedGreenBlueReserved8BitPerColor:
				conOut->OutputString(conOut, L" RGB(R)");
				break;
			case PixelBlueGreenRedReserved8BitPerColor:
				conOut->OutputString(conOut, L" BGR(R)");
				break;
			case PixelBitMask:
				conOut->OutputString(conOut, L" BitMask ");
				printInt(conOut, info->PixelInformation.RedMask);
				conOut->OutputString(conOut, L"R ");
				printInt(conOut, info->PixelInformation.GreenMask);
				conOut->OutputString(conOut, L"G ");
				printInt(conOut, info->PixelInformation.BlueMask);
				conOut->OutputString(conOut, L"B ");
				printInt(conOut, info->PixelInformation.ReservedMask);
				conOut->OutputString(conOut, L"Reserved ");
				break;
			case PixelBltOnly:
				conOut->OutputString(conOut, L" (blt only)");
				break;
			default:
				conOut->OutputString(conOut, L" (Invalid pixel format)");
				break;
		}
		conOut->OutputString(conOut, L" Pixel per scanline: ");
		printInt(conOut, info->PixelsPerScanLine);
	}

	bs->WaitForEvent(1, &event, &index);
	return EFI_SUCCESS;
}