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#include <stdint.h>
#include <string.h>
#include <console.h>
#include <gpxe/udp.h>
#include <gpxe/tftp.h>
#include <gpxe/async.h>
#include <gpxe/uaccess.h>
#include <gpxe/buffer.h>
#include <gpxe/elf.h>
#include <bios.h>
#include "pxe.h"
int test_tftp ( struct net_device *netdev, struct sockaddr_tcpip *target,
const char *filename ) {
struct tftp_session tftp;
struct buffer buffer;
struct elf elf;
uint16_t fbms;
int rc;
memset ( &buffer, 0, sizeof ( buffer ) );
buffer.addr = real_to_user ( 0, 0x7c00 );
get_real ( fbms, BDA_SEG, BDA_FBMS );
buffer.len = ( fbms * 1024 - 0x7c00 );
memset ( &tftp, 0, sizeof ( tftp ) );
udp_connect ( &tftp.udp, target );
tftp.filename = filename;
tftp.buffer = &buffer;
printf ( "Fetching \"%s\" via TFTP\n", filename );
if ( ( rc = async_wait ( tftp_get ( &tftp ) ) ) != 0 )
return rc;
elf.image = buffer.addr;
elf.len = buffer.len;
if ( ( rc = elf_load ( &elf ) ) == 0 ) {
printf ( "Got valid ELF image: execaddr at %lx\n",
elf.entry );
return 0;
}
printf ( "Attempting PXE boot\n" );
pxe_netdev = netdev;
rc = pxe_boot();
printf ( "PXE NBP returned with status %04x\n", rc );
return 0;
}
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