BSP Developer's Guide

3
Creating a New BSP
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It has a VxWorks symbol table linked in. This is no longer needed because
Tornado uses a host-based symbol table for debugging information.
■
It links in the network subsystem, but does not initialize it.
Instead of using a vxWorks.st image, continue to use vxWorks,orvxWorks_rom.
To link in the network without initializing it, add a dummy conditional to
usrConfig.c right before the call to usrNetInit( ):
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if (FALSE) /* add this line */
usrNetInit (BOOT_LINE_ADRS); /* so that this is not called */
Then you can call usrNetInit( ) later, and use CrossWind to debug your network
driver(s). It is easiest to get your network driver first working with the cache and
MMU disabled.
The following table in src/config/usrNetwork.c is used to configure the BSD 4.4
network devices:
#ifdef NETIF_USR_DECL
NETIF_USR_DECL /* declarations from BSP */
#endif
...
LOCAL NETIF netIf [] = /* network interfaces */
{
#ifdef NETIF_USR_ENTRIES /* Additional entries, from BSP */
NETIF_USR_ENTRIES
#endif
#ifdef INCLUDE_DC
{"dc", dcattach, (char*)IO_ADRS_DC, INT_VEC_DC, INT_LVL_DC,
DC_POOL_ADRS, DC_POOL_SIZE, DC_DATA_WIDTH, DC_RAM_PCI_ADRS,
DC_MODE },
#endif /* INCLUDE_DC */
#ifdef INCLUDE_EGL
{"egl", eglattach, (char*)IO_ADRS_EGL, INT_VEC_EGL, INT_LVL_EGL},
#endif /* INCLUDE_EGL */
...
}
For END drivers, network devices are initialized by a table in the configNet.h file.
The table name is endDrvTbl.
#define DEC_LOAD_FUNC dec21x40EndLoad
#define DEC_BUFF_LOAN 1
/*
* ::::::: \
* :
*/
# define DEC_LOAD_STRING
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