Allow linking by converting functions to stubs

src/interface/pxe/pxe_preboot.c

  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
-#if 0
-
 #include "pxe.h"
 #include "pxe_callbacks.h"
 
 	int success;
 
 	DBG ( "PXENV_UNLOAD_STACK" );
-	success = ensure_pxe_state ( CAN_UNLOAD );
 
+#if 0
 	/* We need to call cleanup() at some point.  The network card
 	 * has already been disabled by ENSURE_CAN_UNLOAD(), but for
 	 * the sake of completeness we should call the console_fini()
 		unload_stack->Status = PXENV_STATUS_KEEP_ALL;
 		return PXENV_EXIT_FAILURE;
 	}
+#endif
 
 	unload_stack->Status = PXENV_STATUS_SUCCESS;
 	return PXENV_EXIT_SUCCESS;
  */
 PXENV_EXIT_t pxenv_get_cached_info ( struct s_PXENV_GET_CACHED_INFO
 				     *get_cached_info ) {
-	BOOTPLAYER_t *cached_info = &pxe_stack->cached_info;
 	DBG ( "PXENV_GET_CACHED_INFO %d", get_cached_info->PacketType );
-	ENSURE_READY ( get_cached_info );
 
+#if 0
 	/* Fill in cached_info structure in our pxe_stack */
 
 	/* I don't think there's actually any way we can be called in
 		 * have a way to detect this already.
 		 */
 	}
+#endif
 
 	get_cached_info->Status = PXENV_STATUS_SUCCESS;
 	return PXENV_EXIT_SUCCESS;
 	PXENV_EXIT_t tftp_exit;
 
 	DBG ( "PXENV_RESTART_TFTP" );
-	ENSURE_READY ( restart_tftp );
 
+#if 0
 	/* Words cannot describe the complete mismatch between the PXE
 	 * specification and any possible version of reality...
 	 */
 
 	/* Fire up the new NBP */
 	restart_tftp->Status = xstartpxe();
+#endif
 
 	/* Not sure what "SUCCESS" actually means, since we can only
 	 * return if the new NBP failed to boot...
 	unsigned char bus, devfn;
 
 	DBG ( "PXENV_START_UNDI" );
-	ENSURE_MIDWAY(start_undi);
 
+#if 0
 	/* Record PCI bus & devfn passed by caller, so we know which
 	 * NIC they want to use.
 	 *
 		pci->dev.bus = bus;
 		pci->dev.devfn = devfn;
 	}
+#endif
+
 #endif
 
 	start_undi->Status = PXENV_STATUS_SUCCESS;
 PXENV_EXIT_t pxenv_stop_undi ( struct s_PXENV_STOP_UNDI *stop_undi ) {
 	DBG ( "PXENV_STOP_UNDI" );
 
+#if 0
 	if ( ! ensure_pxe_state(CAN_UNLOAD) ) {
 		stop_undi->Status = PXENV_STATUS_KEEP_UNDI;
 		return PXENV_EXIT_FAILURE;
 	}
+#endif
 
 	stop_undi->Status = PXENV_STATUS_SUCCESS;
 	return PXENV_EXIT_SUCCESS;
  */
 PXENV_EXIT_t pxenv_start_base ( struct s_PXENV_START_BASE *start_base ) {
 	DBG ( "PXENV_START_BASE" );
-	/* ENSURE_READY ( start_base ); */
+
 	start_base->Status = PXENV_STATUS_UNSUPPORTED;
 	return PXENV_EXIT_FAILURE;
 }
 	stop_base->Status = PXENV_STATUS_SUCCESS;
 	return PXENV_EXIT_SUCCESS;
 }
-
-#endif

src/interface/pxe/pxe_tftp.c

  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
-#if 0
-
 #include "pxe.h"
 
 static int pxe_tftp_read_block ( unsigned char *data, unsigned int block,
  * other PXE API call "if an MTFTP connection is active".
  */
 PXENV_EXIT_t pxenv_tftp_open ( struct s_PXENV_TFTP_OPEN *tftp_open ) {
-	struct sockaddr_in tftp_server;
-	struct tftpreq_info_t request;
-	struct tftpblk_info_t block;
-
 	DBG ( "PXENV_TFTP_OPEN" );
-	ENSURE_READY ( tftp_open );
 
+#if 0
 	/* Set server address and port */
 	tftp_server.sin_addr.s_addr = tftp_open->ServerIPAddress
 		? tftp_open->ServerIPAddress
 	pxe_stack->tftpdata.len = block.len;
 	pxe_stack->tftpdata.eof = block.eof;
 	memcpy ( pxe_stack->tftpdata.data, block.data, block.len );
+#endif
 
 	tftp_open->Status = PXENV_STATUS_SUCCESS;
 	return PXENV_EXIT_SUCCESS;
  */
 PXENV_EXIT_t pxenv_tftp_close ( struct s_PXENV_TFTP_CLOSE *tftp_close ) {
 	DBG ( "PXENV_TFTP_CLOSE" );
-	ENSURE_READY ( tftp_close );
+
 	tftp_close->Status = PXENV_STATUS_SUCCESS;
 	return PXENV_EXIT_SUCCESS;
 }
  * @ref pxe_x86_pmode16 "implementation note" for more details.)
  */
 PXENV_EXIT_t pxenv_tftp_read ( struct s_PXENV_TFTP_READ *tftp_read ) {
-	struct tftpblk_info_t block;
-
 	DBG ( "PXENV_TFTP_READ" );
-	ENSURE_READY ( tftp_read );
 
+#if 0
 	/* Do we have a block pending */
 	if ( pxe_stack->tftpdata.magic_cookie == PXE_TFTP_MAGIC_COOKIE ) {
 		block.data = pxe_stack->tftpdata.data;
 	memcpy ( SEGOFF16_TO_PTR(tftp_read->Buffer), block.data, block.len );
 	DBG ( " %d to %hx:%hx", block.len, tftp_read->Buffer.segment,
 	      tftp_read->Buffer.offset );
+#endif
  
 	tftp_read->Status = PXENV_STATUS_SUCCESS;
 	return PXENV_EXIT_SUCCESS;
  */
 PXENV_EXIT_t pxenv_tftp_read_file ( struct s_PXENV_TFTP_READ_FILE
 				    *tftp_read_file ) {
-	struct sockaddr_in tftp_server;
-	int rc;
-
 	DBG ( "PXENV_TFTP_READ_FILE %s to [%x,%x)", tftp_read_file->FileName,
 	      tftp_read_file->Buffer,
 	      tftp_read_file->Buffer + tftp_read_file->BufferSize );
-	ENSURE_READY ( tftp_read_file );
 
+#if 0
 	/* inserted by Klaus Wittemeier */
 	/* KERNEL_BUF stores the name of the last required file */
 	/* This is a fix to make Microsoft Remote Install Services work (RIS) */
 		tftp_read_file->Status = PXENV_STATUS_FAILURE;
 		return PXENV_EXIT_FAILURE;
 	}
+#endif
+
 	tftp_read_file->Status = PXENV_STATUS_SUCCESS;
 	return PXENV_EXIT_SUCCESS;
 }
 
+#if 0
 static int pxe_tftp_read_block ( unsigned char *data,
 				 unsigned int block __unused,
 				 unsigned int len, int eof ) {
 	pxe_stack->readfile.offset += len;
 	return eof ? 0 : 1;
 }
+#endif
 
 /**
  * TFTP GET FILE SIZE
 	int rc;
 
 	DBG ( "PXENV_TFTP_GET_FSIZE" );
-	ENSURE_READY ( tftp_get_fsize );
 
+#if 0
 	pxe_stack->readfile.buffer = NULL;
 	pxe_stack->readfile.bufferlen = 0;
 	pxe_stack->readfile.offset = 0;
 		return PXENV_EXIT_FAILURE;
 	}
 	tftp_get_fsize->FileSize = pxe_stack->readfile.offset;
+#endif
+
 	tftp_get_fsize->Status = PXENV_STATUS_SUCCESS;
 	return PXENV_EXIT_SUCCESS;
 }
 underlying network protocol first!
 
 */
-
-#endif