/* Skip this device the next time we encounter it */
skip = 1;
- /* Print out what we're doing */
- printf ( "Booting from %s %s at %s "
- "using the %s driver\n",
+ /* Print out device information */
+ printf ( "%s (%s) %s at %s\n",
dev.bus_driver->name_device ( &dev.bus_dev ),
+ dev.device_driver->name,
dev.type_driver->name,
- dev.bus_driver->describe_device ( &dev.bus_dev ),
- dev.device_driver->name );
+ dev.bus_driver->describe_device ( &dev.bus_dev ) );
/* Probe boot device */
if ( ! probe ( &dev ) ) {
/* Device found on bus, but probe failed */
- printf ( "...probe failed on %s\n" );
+ printf ( "...probe failed\n" );
continue;
}
-
- printf ( "%s: %s\n",
+
+ /* Print out device information */
+ printf ( "%s %s has %s\n",
dev.bus_driver->name_device ( &dev.bus_dev ),
+ dev.type_driver->name,
dev.type_driver->describe_device ( dev.type_dev ) );
+
+ /* Configure boot device */
+ if ( ! configure ( &dev ) ) {
+ /* Configuration (e.g. DHCP) failed */
+ printf ( "...configuration failed\n" );
+ continue;
+ }
+
+ /* Boot from the device */
+ load ( &dev, load_block );
+
}
/* Call registered per-object exit functions */
#endif
};
-int loadkernel(const char *fname)
-{
+int loadkernel ( const char *fname,
+ int ( * load_block ) ( unsigned char *data,
+ unsigned int blocknum,
+ unsigned int len, int eof ) ) {
static const struct proto * const last_proto =
&protos[sizeof(protos)/sizeof(protos[0])];
const struct proto *proto;
/*
* Find out what our boot parameters are
*/
-static int nic_load_configuration ( struct nic *nic ) {
+static int nic_configure ( struct type_dev *type_dev ) {
+ struct nic *nic = ( struct nic * ) type_dev;
int server_found;
if ( ! nic->nic_op->connect ( nic ) ) {
printf("No Server found\n");
return 0;
}
- return 1;
-}
-
-/**************************************************************************
-LOAD - Try to get booted
-**************************************************************************/
-static int nic_load(struct dev *dev __unused)
-{
- const char *kernel;
printf("\nMe: %@", arptable[ARP_CLIENT].ipaddr.s_addr );
#ifndef NO_DHCP_SUPPORT
printf(", DHCP: %@", dhcp_server );
printf("\n=>>"); getchar();
#endif
+ return 1;
+}
+
+
+/**************************************************************************
+LOAD - Try to get booted
+**************************************************************************/
+static int nic_load ( struct type_dev *type_dev,
+ int ( * process ) ( unsigned char *data,
+ unsigned int blocknum,
+ unsigned int size, int eof ) ) {
+ const char *kernel;
+
/* Now use TFTP to load file */
#ifdef DOWNLOAD_PROTO_NFS
rpc_init();
#endif
: KERNEL_BUF;
if ( kernel ) {
- loadkernel(kernel); /* We don't return except on error */
+ loadkernel(kernel,process); /* We don't return except on error */
printf("Unable to load file.\n");
} else {
printf("No filename\n");
.name = "NIC",
.type_dev = ( struct type_dev * ) &nic,
.describe_device = nic_describe_device,
+ .configure = nic_configure,
+ .load = nic_load,
};
/* Careful. We need an aligned buffer to avoid problems on machines
char *name;
struct type_dev *type_dev; /* single instance */
char * ( * describe_device ) ( struct type_dev *type_dev );
+ int ( * configure ) ( struct type_dev *type_dev );
+ int ( * load ) ( struct type_dev *type_dev,
+ int ( * process ) ( unsigned char *data,
+ unsigned int blocknum,
+ unsigned int len, int eof ) );
};
#define __type_driver __attribute__ (( used, __section__ ( ".drivers.type" ) ))
dev->bus_driver = bus_driver;
memcpy ( &dev->bus_loc, bus_loc, sizeof ( dev->bus_loc ) );
}
+/* Configure a device */
+static inline int configure ( struct dev *dev ) {
+ return dev->type_driver->configure ( dev->type_dev );
+}
+/* Boot from a device */
+static inline int load ( struct dev *dev,
+ int ( * process ) ( unsigned char *data,
+ unsigned int blocknum,
+ unsigned int len, int eof ) ) {
+ return dev->type_driver->load ( dev->type_dev, process );
+}
/* Linker symbols for the various tables */
extern struct bus_driver bus_drivers[];
/* main.c */
struct Elf_Bhdr;
extern int main();
-extern int loadkernel P((const char *fname));
+extern int loadkernel P((const char *fname, int (*)(unsigned char *, unsigned int, unsigned int, int)));
extern char as_main_program;
/* nic.c */
extern void rx_qdrain P((void));