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nb8390.[cr]om for NS8390 boards (if_ed driver) nb3c509.[cr]om for 3c509 boards (if_ep driver) Submitted by: Serge Babkin (babkin@hq.icb.chel.su) [3c509 support]
327 lines
10 KiB
C
327 lines
10 KiB
C
/**************************************************************************
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NETBOOT - BOOTP/TFTP Bootstrap Program
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Author: Martin Renters
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Date: Dec/93
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**************************************************************************/
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#include "netboot.h"
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extern struct nfs_diskless nfsdiskless;
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extern int hostnamelen;
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extern unsigned long netmask;
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extern eth_reset();
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extern short aui;
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int cmd_ip(), cmd_server(), cmd_kernel(), cmd_help(), exit();
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int cmd_rootfs(), cmd_swapfs(), cmd_interface(), cmd_hostname();
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int cmd_netmask(), cmd_swapsize(), cmd_swapopts(), cmd_rootopts();
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int cmd_aui();
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struct bootcmds_t {
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char *name;
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int (*func)();
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char *help;
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} bootcmds[] = {
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{"?", cmd_help, " this list"},
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{"help", cmd_help, " this list"},
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{"ip", cmd_ip, "<addr> set my IP addr"},
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{"server", cmd_server, "<addr> set TFTP server IP addr"},
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{"netmask", cmd_netmask, "<addr> set network mask"},
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{"hostname", cmd_hostname, "<name> set hostname"},
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{"kernel", cmd_kernel, "<file> set boot filename"},
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{"rootfs", cmd_rootfs, "ip:/fs set root filesystem"},
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{"swapfs", cmd_swapfs, "ip:/fs set swap filesystem"},
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{"swapsize", cmd_swapsize, "<nblks> set swap size"},
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{"swapopts", cmd_swapopts, "<options> swap mount options"},
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{"rootopts", cmd_rootopts, "<options> root mount options"},
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{"diskboot", exit, " boot from disk"},
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{"autoboot", NULL, " continue"},
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{"trans", cmd_aui, "<on|off> turn transceiver on|off"},
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{NULL, NULL, NULL}
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};
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/**************************************************************************
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CMD_HELP - Display help screen
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**************************************************************************/
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cmd_help()
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{
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struct bootcmds_t *cmd = bootcmds;
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printf("\r\n");
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while (cmd->name) {
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printf("%s %s\n\r",cmd->name,cmd->help);
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cmd++;
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}
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}
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/**************************************************************************
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CMD_IP - Set my IP address
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**************************************************************************/
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cmd_ip(p)
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char *p;
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{
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int i;
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if (!setip(p, &arptable[ARP_CLIENT].ipaddr)) {
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printf("IP address is %I\r\n",
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arptable[ARP_CLIENT].ipaddr);
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} else default_netmask();
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}
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/**************************************************************************
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CMD_AUI - Turn on-board transceiver on or off
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**************************************************************************/
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cmd_aui(p)
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char *p;
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{
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if (*(p+1) == 'f') {
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aui = 1;
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eth_reset();
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return(0);
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}
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if (*(p+1) == 'n') {
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aui = 0;
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eth_reset();
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return(0);
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}
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printf ("Transceiver is %s\r\n",aui ? "off" : "on");
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}
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/**************************************************************************
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CMD_SERVER - Set server's IP address
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**************************************************************************/
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cmd_server(p)
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char *p;
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{
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int i;
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if (!setip(p, &arptable[ARP_SERVER].ipaddr)) {
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printf("Server IP address is %I\r\n",
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arptable[ARP_SERVER].ipaddr);
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} else /* Need to clear arp entry if we change IP address */
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for (i=0; i<6; i++) arptable[ARP_SERVER].node[i] = 0;
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}
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/**************************************************************************
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CMD_NETMASK - Set network mask
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**************************************************************************/
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cmd_netmask(p)
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char *p;
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{
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int i;
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if (!setip(p, &netmask)) {
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netmask = ntohl(netmask);
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printf("netmask is %I\r\n", netmask);
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}
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netmask = htonl(netmask);
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}
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/**************************************************************************
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CMD_SWAPSIZE - Set number of blocks for swap
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**************************************************************************/
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cmd_swapsize(p)
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char *p;
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{
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int blks = getdec(&p);
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if (blks > 0) nfsdiskless.swap_nblks = blks;
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else printf("Swap size is: %d blocks\r\n",nfsdiskless.swap_nblks);
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}
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extern char kernel_buf[], *kernel;
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/**************************************************************************
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CMD_KERNEL - set kernel filename
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**************************************************************************/
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cmd_kernel(p)
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char *p;
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{
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if (*p) sprintf(kernel = kernel_buf,"%s",p);
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printf("Bootfile is: %s\r\n", kernel);
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}
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/**************************************************************************
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CMD_ROOTFS - Set root filesystem name
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**************************************************************************/
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cmd_rootfs(p)
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char *p;
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{
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if (!setip(p, &arptable[ARP_ROOTSERVER].ipaddr)) {
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printf("Root filesystem is %I:%s\r\n",
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nfsdiskless.root_saddr.sin_addr,
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nfsdiskless.root_hostnam);
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} else {
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bcopy(&arptable[ARP_ROOTSERVER].ipaddr,
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&nfsdiskless.root_saddr.sin_addr, 4);
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while (*p && (*p != ':')) p++;
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if (*p == ':') p++;
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sprintf(&nfsdiskless.root_hostnam, "%s", p);
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}
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}
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/**************************************************************************
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CMD_SWAPFS - Set swap filesystem name
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**************************************************************************/
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cmd_swapfs(p)
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char *p;
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{
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if (!setip(p, &arptable[ARP_SWAPSERVER].ipaddr)) {
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printf("Swap filesystem is %I:%s\r\n",
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nfsdiskless.swap_saddr.sin_addr,
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nfsdiskless.swap_hostnam);
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} else {
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bcopy(&arptable[ARP_SWAPSERVER].ipaddr,
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&nfsdiskless.swap_saddr.sin_addr, 4);
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while (*p && (*p != ':')) p++;
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if (*p == ':') p++;
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sprintf(&nfsdiskless.swap_hostnam, "%s", p);
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}
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}
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/**************************************************************************
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CMD_HOSTNAME - Set my hostname
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**************************************************************************/
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cmd_hostname(p)
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char *p;
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{
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if (*p)
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hostnamelen = ((sprintf(&nfsdiskless.my_hostnam,"%s",p) -
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(char*)&nfsdiskless.my_hostnam) + 3) & ~3;
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else printf("Hostname is: %s\r\n",nfsdiskless.my_hostnam);
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}
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/**************************************************************************
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CMD_ROOTOPTS - Set root mount options
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**************************************************************************/
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cmd_rootopts(p)
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char *p;
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{
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char *tmp;
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if (*p) {
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nfsdiskless.root_args.flags = NFSMNT_RSIZE | NFSMNT_WSIZE;
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nfsdiskless.root_args.sotype = SOCK_DGRAM;
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if ((tmp = (char *)substr(p,"rsize=")))
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nfsdiskless.root_args.rsize=getdec(&tmp);
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if ((tmp = (char *)substr(p,"wsize=")))
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nfsdiskless.root_args.wsize=getdec(&tmp);
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if ((tmp = (char *)substr(p,"resvport")))
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nfsdiskless.root_args.flags |= NFSMNT_RESVPORT;
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if ((tmp = (char *)substr(p,"intr")))
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nfsdiskless.root_args.flags |= NFSMNT_INT;
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if ((tmp = (char *)substr(p,"soft")))
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nfsdiskless.root_args.flags |= NFSMNT_SOFT;
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if ((tmp = (char *)substr(p, "tcp")))
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nfsdiskless.root_args.sotype = SOCK_STREAM;
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} else {
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printf("Rootfs mount options: rsize=%d,wsize=%d",
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nfsdiskless.root_args.rsize,
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nfsdiskless.root_args.wsize);
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if (nfsdiskless.root_args.flags & NFSMNT_RESVPORT)
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printf (",resvport");
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if (nfsdiskless.root_args.flags & NFSMNT_SOFT)
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printf (",soft");
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if (nfsdiskless.root_args.flags & NFSMNT_INT)
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printf (",intr");
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if (nfsdiskless.root_args.sotype == SOCK_STREAM)
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printf (",tcp");
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else
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printf (",udp");
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printf ("\r\n");
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}
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}
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/**************************************************************************
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CMD_SWAPOPTS - Set swap mount options
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**************************************************************************/
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cmd_swapopts(p)
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char *p;
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{
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char *tmp;
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if (*p) {
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nfsdiskless.swap_args.flags = NFSMNT_RSIZE | NFSMNT_WSIZE;
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nfsdiskless.swap_args.sotype = SOCK_DGRAM;
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if ((tmp = (char *)substr(p,"rsize=")))
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nfsdiskless.swap_args.rsize=getdec(&tmp);
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if ((tmp = (char *)substr(p,"wsize=")))
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nfsdiskless.swap_args.wsize=getdec(&tmp);
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if ((tmp = (char *)substr(p,"resvport")))
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nfsdiskless.swap_args.flags |= NFSMNT_RESVPORT;
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if ((tmp = (char *)substr(p,"intr")))
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nfsdiskless.swap_args.flags |= NFSMNT_INT;
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if ((tmp = (char *)substr(p,"soft")))
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nfsdiskless.swap_args.flags |= NFSMNT_SOFT;
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if ((tmp = (char *)substr(p, "tcp")))
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nfsdiskless.swap_args.sotype = SOCK_STREAM;
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} else {
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printf("Swapfs mount options: rsize=%d,wsize=%d",
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nfsdiskless.swap_args.rsize,
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nfsdiskless.swap_args.wsize);
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if (nfsdiskless.swap_args.flags & NFSMNT_RESVPORT)
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printf (",resvport");
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if (nfsdiskless.swap_args.flags & NFSMNT_SOFT)
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printf (",soft");
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if (nfsdiskless.swap_args.flags & NFSMNT_INT)
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printf (",intr");
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if (nfsdiskless.swap_args.sotype == SOCK_STREAM)
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printf (",tcp");
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else
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printf (",udp");
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printf ("\r\n");
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}
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}
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/**************************************************************************
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EXECUTE - Decode command
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**************************************************************************/
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execute(buf)
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char *buf;
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{
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char *p, *q;
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struct bootcmds_t *cmd = bootcmds;
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if ((!(*buf)) || (*buf == '#')) return(0);
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while(cmd->name) {
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p = buf;
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q = cmd->name;
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while (*q && (*(q++) == *(p++))) ;
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if ((!(*q)) && ((*p == ' ') || (!(*p)))) {
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if (!cmd->func) return(1);
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while (*p == ' ') p++;
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(cmd->func)(p);
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return(0);
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} else
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cmd++;
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}
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printf("bad command - type 'help' for list\n\r");
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return(0);
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}
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/**************************************************************************
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BOOTMENU - Present boot options
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**************************************************************************/
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bootmenu()
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{
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char cmd[80];
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int ptr, c;
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printf("\r\n");
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while (1) {
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ptr = 0;
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printf("boot> ");
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while (ptr < 80) {
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c = getchar();
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if (c == '\r')
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break;
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else if (c == '\b') {
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if (ptr > 0) {
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ptr--;
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printf("\b \b");
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}
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} else {
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cmd[ptr++] = c;
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putchar(c);
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}
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}
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cmd[ptr] = 0;
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printf("\r\n");
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if (execute(cmd)) break;
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}
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eth_reset();
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}
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