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高手留步！搭建P2+rtl8139D调试环境的问题

启动时出现下面情况：

VxWorks System Boot
Copyright 1984-2002 Wind River Systems, Inc.
CPU: PC PENTIUM2
Version: VxWorks5.5.1
BSP version: 1.2/3
Creation date: Mar 8 2006, 10:10:37

0x2d93dc (tBoot): dosFsLib.c : ERROR reading the device boot sector
0x2d93dc (tBoot): dosFsLib.c : media not formatted or not present
0x2d93dc (tBoot): sysNvRamGet: open failed

Press any key to stop auto-boot...
0
auto-booting...

boot device : rtl=
unit number : 0
processor number : 0
host name : host
file name : vxWorks
inet on ethernet (e) : 10.23.45.212
host inet (h) : 10.23.45.203
user (u) : target
ftp password (pw) : target
flags (f) : 0x0
target name (tn) : target

Can't load boot file!!
0x2d93dc (tBoot): dosFsLib.c : ERROR reading the device boot sector
0x2d93dc (tBoot): dosFsLib.c : media not formatted or not present
Error opening file "/vxboot/bootrom.sys", trying "/vxboot/bootrom.dat" ...
0x2d93dc (tBoot): dosFsLib.c : ERROR reading the device boot sector
0x2d93dc (tBoot): dosFsLib.c : media not formatted or not present
Error opening file "/vxboot/bootrom.dat"
救命啊！我已经折腾了三个多月了，还没搞明白 ！救命！