diff options
Diffstat (limited to 'src/interface/pxe/pxe_preboot.c')
| -rw-r--r-- | src/interface/pxe/pxe_preboot.c | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/src/interface/pxe/pxe_preboot.c b/src/interface/pxe/pxe_preboot.c index 63451497..53ece3cb 100644 --- a/src/interface/pxe/pxe_preboot.c +++ b/src/interface/pxe/pxe_preboot.c @@ -69,6 +69,24 @@ static union pxe_cached_info __bss16_array ( cached_info, [NUM_CACHED_INFOS] ); #define cached_info __use_data16 ( cached_info ) /** + * Set PXE cached TFTP filename + * + * @v filename TFTP filename + * + * This is a bug-for-bug compatibility hack needed in order to work + * with Microsoft Remote Installation Services (RIS). The filename + * used in a call to PXENV_RESTART_TFTP or PXENV_TFTP_READ_FILE must + * be returned as the DHCP filename in subsequent calls to + * PXENV_GET_CACHED_INFO. + */ +void pxe_set_cached_filename ( const unsigned char *filename ) { + memcpy ( cached_info[CACHED_INFO_DHCPACK].dhcphdr.file, filename, + sizeof ( cached_info[CACHED_INFO_DHCPACK].dhcphdr.file ) ); + memcpy ( cached_info[CACHED_INFO_BINL].dhcphdr.file, filename, + sizeof ( cached_info[CACHED_INFO_BINL].dhcphdr.file ) ); +} + +/** * UNLOAD BASE CODE STACK * * @v None - @@ -196,18 +214,8 @@ PXENV_EXIT_t pxenv_restart_tftp ( struct s_PXENV_TFTP_READ_FILE DBG ( "PXENV_RESTART_TFTP " ); - /* This is a bug-for-bug compatibility hack needed in order to - * work with Microsoft Remote Installation Services (RIS). - * The filename used in a call to PXENV_RESTART_TFTP must be - * returned as the DHCP filename in subsequent calls to - * PXENV_GET_CACHED_INFO. - */ - memcpy ( cached_info[CACHED_INFO_DHCPACK].dhcphdr.file, - restart_tftp->FileName, - sizeof ( cached_info[CACHED_INFO_DHCPACK].dhcphdr.file ) ); - memcpy ( cached_info[CACHED_INFO_BINL].dhcphdr.file, - restart_tftp->FileName, - sizeof ( cached_info[CACHED_INFO_BINL].dhcphdr.file ) ); + /* Intel bug-for-bug hack */ + pxe_set_cached_filename ( restart_tftp->FileName ); /* Words cannot describe the complete mismatch between the PXE * specification and any possible version of reality... |