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Separate out pxe_start_nbp() from pxe_image.c into pxe_call.c

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Implement PXENV_RESTART_TFTP.
This commit is contained in:
Michael Brown
2007-06-30 14:56:35 +01:00
parent acd598b4f9
commit 8130443f9f
5 changed files with 46 additions and 65 deletions
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21
src/interface/pxe/pxe_preboot.c
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@@ -30,7 +30,7 @@
#include <gpxe/dhcp.h>
#include <dhcp_basemem.h>
#include "pxe.h"
#include "pxe_callbacks.h"
#include "pxe_call.h"
/**
* UNLOAD BASE CODE STACK
@@ -146,22 +146,21 @@ PXENV_EXIT_t pxenv_get_cached_info ( struct s_PXENV_GET_CACHED_INFO
*/
PXENV_EXIT_t pxenv_restart_tftp ( struct s_PXENV_TFTP_READ_FILE
*restart_tftp ) {
DBG ( "PXENV_RESTART_TFTP" );
PXENV_EXIT_t tftp_exit;
DBG ( "PXENV_RESTART_TFTP " );
#if 0
/* Words cannot describe the complete mismatch between the PXE
* specification and any possible version of reality...
*/
restart_tftp->Buffer = PXE_LOAD_ADDRESS; /* Fixed by spec, apparently */
restart_tftp->BufferSize = get_free_base_memory() - PXE_LOAD_ADDRESS; /* Near enough */
DBG ( "(" );
tftp_exit = pxe_api_call ( PXENV_TFTP_READ_FILE, (union u_PXENV_ANY*)restart_tftp );
DBG ( ")" );
if ( tftp_exit != PXENV_EXIT_SUCCESS ) return tftp_exit;
restart_tftp->Buffer = PXE_LOAD_PHYS; /* Fixed by spec, apparently */
restart_tftp->BufferSize = ( 0xa0000 - PXE_LOAD_PHYS ); /* Near enough */
tftp_exit = pxenv_tftp_read_file ( restart_tftp );
if ( tftp_exit != PXENV_EXIT_SUCCESS )
return tftp_exit;
/* Fire up the new NBP */
restart_tftp->Status = xstartpxe();
#endif
restart_tftp->Status = pxe_start_nbp();
/* Not sure what "SUCCESS" actually means, since we can only
* return if the new NBP failed to boot...