Obsolete

src/arch/i386/image/pxe_image.c

@@ -1,93 +0,0 @@
-/*
- * PXE image loader for Etherboot.
- * 
- * Note: There is no signature check for PXE images because there is
- * no signature.  Well done, Intel!  Consequently, pxe_probe() must be
- * called last of all the image_probe() routines, because it will
- * *always* claim the image.
- */
-
-#ifndef PXE_EXPORT
-#error PXE_IMAGE requires PXE_EXPORT
-#endif
-
-#include "etherboot.h"
-#include "pxe_callbacks.h"
-#include "pxe.h"
-
-unsigned long pxe_load_offset;
-
-static sector_t pxe_download ( unsigned char *data,
-			       unsigned int len, int eof );
-
-static inline os_download_t pxe_probe ( unsigned char *data __unused,
-					unsigned int len __unused ) {
-	printf("(PXE)");
-	pxe_load_offset = 0;
-	return pxe_download;
-}
-
-static sector_t pxe_download ( unsigned char *data,
-			       unsigned int len, int eof ) {
-	unsigned long block_address = PXE_LOAD_ADDRESS + pxe_load_offset;
-	PXENV_STATUS_t nbp_exit;
-
-	/* Check segment will fit.  We can't do this in probe()
-	 * because there's nothing in the non-existent header to tell
-	 * us how long the image is.
-	 */
-	if ( ! prep_segment ( block_address, block_address + len, 
-			      block_address + len,
-			      pxe_load_offset, pxe_load_offset + len ) ) {
-		longjmp ( restart_etherboot, -2 );
-	}
-
-	/* Load block into memory, continue loading until eof */
-	memcpy ( phys_to_virt ( block_address ), data, len );
-	pxe_load_offset += len;
-	if ( ! eof ) { 
-		return 0;
-	}
-
-	/* Start up PXE NBP */
-	done ( 0 );
-
-	/* Install and activate a PXE stack */
-	pxe_stack = install_pxe_stack ( NULL );
-	if ( ensure_pxe_state ( READY ) ) {
-		/* Invoke the NBP */
-		nbp_exit = xstartpxe();
-	} else {
-		/* Fake success so we tear down the stack */
-		nbp_exit = PXENV_STATUS_SUCCESS;
-	}
-
-	/* NBP has three exit codes:
-	 *   PXENV_STATUS_KEEP_UNDI : keep UNDI and boot next device
-	 *   PXENV_STATUS_KEEP_ALL  : keep all and boot next device
-	 *   anything else : remove all and boot next device
-	 * 
-	 * Strictly, we're meant to hand back to the BIOS, but this
-	 * would prevent the useful combination of "PXE NBP fails, so
-	 * let Etherboot try to boot its next device".  We therefore
-	 * take liberties.
-	 */
-	if ( nbp_exit != PXENV_STATUS_KEEP_UNDI &&
-	     nbp_exit != PXENV_STATUS_KEEP_ALL ) {
-		/* Tear down PXE stack */
-		remove_pxe_stack();
-	}
-
-	/* Boot next device.  Under strict PXE compliance, exit back
-	 * to the BIOS, otherwise let Etherboot move to the next
-	 * device.
-	 */
-#ifdef PXE_STRICT
-	longjmp ( restart_etherboot, 255 );
-#else
-	longjmp ( restart_etherboot, 4 );
-#endif
-	
-	/* Never reached; avoid compiler warning */
-	return ( 0 );
-}