2002-01-03 Yoshinori K. Okuji <okuji@gnu.org>

Update the netboot stuff to Etherboot-5.0.5.

	* configure.in (--enable-3c590): Removed. This was a mistake.
	(--enable-davicom): New option.
	(--enable-eepro): Likewise.
	(--enable-natsemi): Likewise.
	(--enable-ni5010): Likewise.
	(--enable-sis900): Likewise.
	(--enable-w89c840): Likewise.
	(--enable-3c509-hack): Removed.
	(--enable-ns8390-force-16bit): Likewise.

	* netboot/Makefile.am (libdrivers_a_SOURCES): Added timer.c and
	timer.h.
	(EXTRA_libdrivers_a_SOURCES): Added davicom.c, eepro.c, fa311.c,
	natsemi.c, ni5010.c, sis900.c, sis900.h, tlan.c and w89c840.c.
	(EXTRA_DIST): Added sis900.txt.
	(3c595_drivers): Remove 3c590.o from this.
	(davicom_drivers): New variable.
	(eepro_drivers): Likewise.
	(natsemi_drivers): Likewise.
	(ni5010_drivers): Likewise.
	(sis900_drivers): Likewise.
	(w89c840_drivers): Likewise.
	(3c590_o_CFLAGS): Removed.
	(davicom_o_CFLAGS): New variable.
	(eepro_o_CFLAGS): Likewise.
	(natsemi_o_CFLAGS): Likewise.
	(ni5010_o_CFLAGS): Likewise.
	(sis900_o_CFLAGS): Likewise.
	(w89c840_o_CFLAGS): Likewise.

	* netboot/davicom.c: New file, from Etherboot-5.0.5.
	* netboot/eepro.c: Likewise.
	* netboot/natsemi.c: Likewise.
	* netboot/ni5010.c: Likewise.
	* netboot/sis900.c: Likewise.
	* netboot/sis900.h: Likewise.
	* netboot/sis900.txt: Likewise.
	* netboot/timer.c: Likewise.
	* netboot/timer.h: Likewise.
	* netboot/w89c840.c: Likewise.
	* netboot/fa311.c: Likewise.
	* netboot/tlan.c: Likewise.

	* netboot/3c509.c: Copied from Etherboot-5.0.5.
	* netboot/3c509.h: Likewise.
	* netboot/3c595.c: Likewise.
	* netboot/3c90x.c: Likewise.
	* netboot/3c90x.txt: Likewise.
	* netboot/cards.h: Likewise.
	* netboot/cs89x0.c: Likewise.
	* netboot/depca.c: Likewise.
	* netboot/eepro100.c: Likewise.
	* netboot/epic100.c: Likewise.
	* netboot/i82586.c: Likewise.
	* netboot/lance.c: Likewise.
	* netboot/linux-asm-string.h: Likewise.
	* netboot/nic.h: Likewise.
	* netboot/ns8390.c: Likewise.
	* netboot/ns8390.h: Likewise.
	* netboot/otulip.c: Likewise.
	* netboot/pci.h: Likewise.
	* netboot/rtl8139.c: Likewise.
	* netboot/sk_g16.c: Likewise.
	* netboot/smc9000.c: Likewise.
	* netboot/tiara.c: Likewise.
	* netboot/tulip.c: Likewise.
	* netboot/via-rhine.c: Likewise.

	* netboot/config.c: Applied a diff between Etherboot-4.6.18 and
	Etherboot-5.0.5 manually.
	* netboot/main.c: Likewise.
	* netboot/pci.c: Likewise.
	* netboot/etherboot.h: Rewritten mostly from scratch, based on
	the same file in Etherboot-5.0.5.
	* netboot/misc.c: Likewise.
	* netboot/osdep.h: Likewise.
	* netboot/fsys_tftp.c (GRUB): Defined.
	(buf_fill): Use rfc2131_sleep_interval instead of rfc951_sleep.

	* stage2/builtins.c [SUPPORT_NETBOOT] (GRUB): Defined.
	(boot_func) [SUPPORT_NETBOOT]: Call cleanup_net.
	* stage2/cmdline.c [SUPPORT_DISKLESS] (GRUB): Defined.
	* stage2/common.c [SUPPORT_DISKLESS] (GRUB): Likewise.
This commit is contained in:
okuji committed 2002-01-02 21:56:40 +00:00
1 parent daa965eccc
commit 973e6f4129
54 files changed
+13400 -3545

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+277 -359
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@@ -1,3 +1,27 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2000, 2001 Free Software Foundation, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* RULE: You must define the macro ``GRUB'' when including this header
file in GRUB code. */
/* Based on "src/etherboot.h" in etherboot-5.0.5. */
/**************************************************************************
ETHERBOOT - BOOTP/TFTP Bootstrap Program
@@ -6,151 +30,75 @@ Author: Martin Renters
**************************************************************************/
/* Enable GRUB-specific stuff. */
#define GRUB 1
#ifdef GRUB
/* Include GRUB-specific macros and prototypes here. */
# include <shared.h>
#include <shared.h>
/* FIXME: For now, enable the DHCP support. Perhaps I should segregate
the DHCP support from the BOOTP support, and permit both to
co-exist. */
# undef NO_DHCP_SUPPORT
#undef NO_DHCP_SUPPORT
/* In GRUB, the relocated address in Etherboot doesn't have any sense.
Just define it as a bogus value. */
# define RELOC 0
/* Force to use the internal buffer. */
# define INTERNAL_BOOTP_DATA 1
/* Likewise. */
# define USE_INTERNAL_BUFFER 1
#define RELOC 0
/* FIXME: Should be an option. */
# define BACKOFF_LIMIT 7
#endif /* GRUB */
#define BACKOFF_LIMIT 7
#include "osdep.h"
#include <osdep.h>
/* These could be customised for different languages perhaps */
#define ASK_PROMPT "Boot from (N)etwork or from (L)ocal? "
#define ANS_NETWORK 'N'
#define ANS_LOCAL 'L'
#ifndef ANS_DEFAULT /* in case left out in Makefile */
#define ANS_DEFAULT ANS_NETWORK
#endif
#define TAGGED_IMAGE /* eventually optional */
#if !defined(TAGGED_IMAGE) && !defined(AOUT_IMAGE) && !defined(ELF_IMAGE)
#define TAGGED_IMAGE /* choose at least one */
#endif
#ifdef GRUB
# define CTRL_C 3
#else /* ! GRUB */
# define ESC 0x1B
#endif /* ! GRUB */
#ifndef DEFAULT_BOOTFILE
#define DEFAULT_BOOTFILE "/tftpboot/kernel"
#endif
/* Clean up console settings... mainly CONSOLE_CRT and CONSOLE_SERIAL are used
* in the sources (except start.S and serial.S which cannot include
* etherboot.h). At least one of the CONSOLE_xxx has to be set, and
* CONSOLE_DUAL sets both CONSOLE_CRT and CONSOLE_SERIAL. If none is set,
* CONSOLE_CRT is assumed. */
#ifdef CONSOLE_DUAL
#undef CONSOLE_CRT
#define CONSOLE_CRT
#undef CONSOLE_SERIAL
#define CONSOLE_SERIAL
#endif
#if defined(CONSOLE_CRT) && defined(CONSOLE_SERIAL)
#undef CONSOLE_DUAL
#define CONSOLE_DUAL
#endif
#if !defined(CONSOLE_CRT) && !defined(CONSOLE_SERIAL)
#define CONSOLE_CRT
#endif
#ifndef DOWNLOAD_PROTO_NFS
#undef DOWNLOAD_PROTO_TFTP
#define DOWNLOAD_PROTO_TFTP /* default booting protocol */
#endif
#ifdef DOWNLOAD_PROTO_TFTP
#define download(fname,loader) tftp((fname),(loader))
#endif
#ifdef DOWNLOAD_PROTO_NFS
#define download(fname,loader) nfs((fname),(loader))
#endif
#define CTRL_C 3
#ifndef MAX_TFTP_RETRIES
#define MAX_TFTP_RETRIES 20
# define MAX_TFTP_RETRIES 20
#endif
#ifndef MAX_BOOTP_RETRIES
#define MAX_BOOTP_RETRIES 20
# define MAX_BOOTP_RETRIES 20
#endif
#ifndef MAX_BOOTP_EXTLEN
#if (RELOC < 0x94000)
/* Force internal buffer (if external buffer would overlap with our code...) */
#undef INTERNAL_BOOTP_DATA
#define INTERNAL_BOOTP_DATA
#endif
/* sizeof(struct bootp_t) == 0x240 */
#if defined(INTERNAL_BOOTP_DATA) || (RELOC >= 0x94240)
#define MAX_BOOTP_EXTLEN 1024
#else
#define MAX_BOOTP_EXTLEN (1024-sizeof(struct bootp_t))
#endif
#endif
#define MAX_BOOTP_EXTLEN (ETH_FRAME_LEN - ETH_HLEN - \
sizeof (struct bootp_t))
#ifndef MAX_ARP_RETRIES
#define MAX_ARP_RETRIES 20
# define MAX_ARP_RETRIES 20
#endif
#ifndef MAX_RPC_RETRIES
#define MAX_RPC_RETRIES 20
# define MAX_RPC_RETRIES 20
#endif
#define TICKS_PER_SEC 18
/* Inter-packet retry in ticks */
#define TIMEOUT (10*TICKS_PER_SEC)
#define TIMEOUT (10 * TICKS_PER_SEC)
/* These settings have sense only if compiled with -DCONGESTED */
/* total retransmission timeout in ticks */
#define TFTP_TIMEOUT (30*TICKS_PER_SEC)
#define TFTP_TIMEOUT (30 * TICKS_PER_SEC)
/* packet retransmission timeout in ticks */
#define TFTP_REXMT (3*TICKS_PER_SEC)
#define TFTP_REXMT (3 * TICKS_PER_SEC)
#ifndef NULL
#define NULL ((void *)0)
# define NULL ((void *) 0)
#endif
#define TRUE 1
#define FALSE 0
/*
I'm moving towards the defined names in linux/if_ether.h for clarity.
The confusion between 60/64 and 1514/1518 arose because the NS8390
counts the 4 byte frame checksum in the incoming packet, but not
in the outgoing packet. 60/1514 are the correct numbers for most
if not all of the other NIC controllers. I will be retiring the
64/1518 defines in the lead-up to 5.0.
*/
#define ETHER_ADDR_SIZE 6 /* Size of Ethernet address */
#define ETHER_HDR_SIZE 14 /* Size of ethernet header */
#define ETH_MIN_PACKET 64
#define ETH_MAX_PACKET 1518
#define VENDOR_NONE 0
#define VENDOR_WD 1
#define VENDOR_NOVELL 2
#define VENDOR_3COM 3
#define VENDOR_3C509 4
#define VENDOR_CS89x0 5
#define FLAG_PIO 0x01
#define FLAG_16BIT 0x02
#define FLAG_790 0x04
#define ETH_ALEN 6 /* Size of Ethernet address */
#define ETH_HLEN 14 /* Size of ethernet header */
#define ETH_ZLEN 60 /* Minimum packet */
/*#define ETH_MIN_PACKET 64*/
#define ETH_FRAME_LEN 1514 /* Maximum packet */
/*#define ETH_MAX_PACKET 1518*/
#define ETH_MAX_MTU (ETH_FRAME_LEN - ETH_HLEN)
#define ARP_CLIENT 0
#define ARP_SERVER 1
@@ -181,7 +129,7 @@ Author: Martin Renters
#define BOOTP_REQUEST 1
#define BOOTP_REPLY 2
#define TAG_LEN(p) (*((p)+1))
#define TAG_LEN(p) (*((p) + 1))
#define RFC1533_COOKIE 99, 130, 83, 99
#define RFC1533_PAD 0
#define RFC1533_NETMASK 1
@@ -239,6 +187,7 @@ Author: Martin Renters
#define RFC2132_SRV_ID 54
#define RFC2132_PARAM_LIST 55
#define RFC2132_MAX_SIZE 57
#define RFC2132_VENDOR_CLASS_ID 60
#define DHCPDISCOVER 1
#define DHCPOFFER 2
@@ -251,9 +200,6 @@ Author: Martin Renters
#define RFC1533_VENDOR_MAGIC 128
#define RFC1533_VENDOR_ADDPARM 129
#ifdef IMAGE_FREEBSD
#define RFC1533_VENDOR_HOWTO 132
#endif
#define RFC1533_VENDOR_MNUOPTS 160
#define RFC1533_VENDOR_SELECTION 176
#define RFC1533_VENDOR_MOTD 184
@@ -261,11 +207,10 @@ Author: Martin Renters
#define RFC1533_VENDOR_IMG 192
#define RFC1533_VENDOR_NUMOFIMG 16
#ifdef GRUB
# define RFC1533_VENDOR_CONFIGFILE 150
#endif /* GRUB */
#define RFC1533_VENDOR_CONFIGFILE 150
#define RFC1533_END 255
#define BOOTP_VENDOR_LEN 64
#ifndef NO_DHCP_SUPPORT
#define DHCP_OPT_LEN 312
@@ -294,129 +239,196 @@ Author: Martin Renters
#define AWAIT_RPC 4
#define AWAIT_QDRAIN 5 /* drain queue, process ARP requests */
typedef struct {
unsigned long s_addr;
} in_addr;
typedef struct
{
unsigned long s_addr;
}
in_addr;
struct arptable_t {
in_addr ipaddr;
unsigned char node[6];
struct arptable_t
{
in_addr ipaddr;
unsigned char node[6];
};
/*
* A pity sipaddr and tipaddr are not longword aligned or we could use
* in_addr. No, I don't want to use #pragma packed.
*/
struct arprequest {
unsigned short hwtype;
unsigned short protocol;
char hwlen;
char protolen;
unsigned short opcode;
char shwaddr[6];
char sipaddr[4];
char thwaddr[6];
char tipaddr[4];
struct arprequest
{
unsigned short hwtype;
unsigned short protocol;
char hwlen;
char protolen;
unsigned short opcode;
char shwaddr[6];
char sipaddr[4];
char thwaddr[6];
char tipaddr[4];
};
struct iphdr {
char verhdrlen;
char service;
unsigned short len;
unsigned short ident;
unsigned short frags;
char ttl;
char protocol;
unsigned short chksum;
in_addr src;
in_addr dest;
struct iphdr
{
char verhdrlen;
char service;
unsigned short len;
unsigned short ident;
unsigned short frags;
char ttl;
char protocol;
unsigned short chksum;
in_addr src;
in_addr dest;
};
struct udphdr {
unsigned short src;
unsigned short dest;
unsigned short len;
unsigned short chksum;
struct udphdr
{
unsigned short src;
unsigned short dest;
unsigned short len;
unsigned short chksum;
};
struct bootp_t {
struct iphdr ip;
struct udphdr udp;
char bp_op;
char bp_htype;
char bp_hlen;
char bp_hops;
unsigned long bp_xid;
unsigned short bp_secs;
unsigned short unused;
in_addr bp_ciaddr;
in_addr bp_yiaddr;
in_addr bp_siaddr;
in_addr bp_giaddr;
char bp_hwaddr[16];
char bp_sname[64];
char bp_file[128];
/* Format of a bootp packet. */
struct bootp_t
{
char bp_op;
char bp_htype;
char bp_hlen;
char bp_hops;
unsigned long bp_xid;
unsigned short bp_secs;
unsigned short unused;
in_addr bp_ciaddr;
in_addr bp_yiaddr;
in_addr bp_siaddr;
in_addr bp_giaddr;
char bp_hwaddr[16];
char bp_sname[64];
char bp_file[128];
#ifdef NO_DHCP_SUPPORT
char bp_vend[BOOTP_VENDOR_LEN];
char bp_vend[BOOTP_VENDOR_LEN];
#else
char bp_vend[DHCP_OPT_LEN];
char bp_vend[DHCP_OPT_LEN];
#endif /* NO_DHCP_SUPPORT */
};
struct bootpd_t {
struct bootp_t bootp_reply;
unsigned char bootp_extension[MAX_BOOTP_EXTLEN];
/* Format of a bootp IP packet. */
struct bootpip_t
{
struct iphdr ip;
struct udphdr udp;
struct bootp_t bp;
};
struct tftp_t {
struct iphdr ip;
struct udphdr udp;
unsigned short opcode;
union {
char rrq[TFTP_DEFAULTSIZE_PACKET];
struct {
unsigned short block;
char download[TFTP_MAX_PACKET];
} data;
struct {
unsigned short block;
} ack;
struct {
unsigned short errcode;
char errmsg[TFTP_DEFAULTSIZE_PACKET];
} err;
struct {
char data[TFTP_DEFAULTSIZE_PACKET+2];
} oack;
} u;
/* Format of bootp packet with extensions. */
struct bootpd_t
{
struct bootp_t bootp_reply;
unsigned char bootp_extension[MAX_BOOTP_EXTLEN];
};
struct tftp_t
{
struct iphdr ip;
struct udphdr udp;
unsigned short opcode;
union
{
char rrq[TFTP_DEFAULTSIZE_PACKET];
struct
{
unsigned short block;
char download[TFTP_MAX_PACKET];
}
data;
struct
{
unsigned short block;
}
ack;
struct
{
unsigned short errcode;
char errmsg[TFTP_DEFAULTSIZE_PACKET];
}
err;
struct
{
char data[TFTP_DEFAULTSIZE_PACKET+2];
}
oack;
}
u;
};
/* Define a smaller tftp packet solely for making requests to conserve stack
512 bytes should be enough. */
struct tftpreq_t
{
struct iphdr ip;
struct udphdr udp;
unsigned short opcode;
union
{
char rrq[512];
struct
{
unsigned short block;
}
ack;
struct
{
unsigned short errcode;
char errmsg[512-2];
}
err;
}
u;
};
#define TFTP_MIN_PACKET (sizeof(struct iphdr) + sizeof(struct udphdr) + 4)
struct rpc_t {
struct iphdr ip;
struct udphdr udp;
union {
char data[300]; /* longest RPC call must fit!!!! */
struct {
long id;
long type;
long rpcvers;
long prog;
long vers;
long proc;
long data[1];
} call;
struct {
long id;
long type;
long rstatus;
long verifier;
long v2;
long astatus;
long data[1];
} reply;
} u;
struct rpc_t
{
struct iphdr ip;
struct udphdr udp;
union
{
char data[300]; /* longest RPC call must fit!!!! */
struct
{
long id;
long type;
long rpcvers;
long prog;
long vers;
long proc;
long data[1];
}
call;
struct
{
long id;
long type;
long rstatus;
long verifier;
long v2;
long astatus;
long data[1];
}
reply;
}
u;
};
#define PROG_PORTMAP 100000
@@ -446,179 +458,85 @@ struct rpc_t {
#define NFS_READ_SIZE 1024
#define FLOPPY_BOOT_LOCATION 0x7c00
/* Must match offsets in loader.S */
#define ROM_SEGMENT 0x1fa
#define ROM_LENGTH 0x1fc
#define ROM_INFO_LOCATION 0x7dfa
#define ROM_INFO_LOCATION (FLOPPY_BOOT_LOCATION + ROM_SEGMENT)
/* at end of floppy boot block */
struct rom_info {
unsigned short rom_segment;
unsigned short rom_length;
struct rom_info
{
unsigned short rom_segment;
unsigned short rom_length;
};
static inline int
rom_address_ok (struct rom_info *rom, int assigned_rom_segment)
{
return (assigned_rom_segment < 0xC000
|| assigned_rom_segment == rom->rom_segment);
}
/* Define a type for passing info to a loaded program. */
struct ebinfo
{
unsigned char major, minor; /* Version */
unsigned short flags; /* Bit flags */
};
/***************************************************************************
External prototypes
***************************************************************************/
/* main.c */
#ifdef GRUB
extern void print_network_configuration P((void));
extern int ifconfig P((char *ip, char *sm, char *gw, char *svr));
#endif /* GRUB */
#ifndef GRUB
extern void print_bytes P((unsigned char *bytes, int len));
extern void load P((void));
extern int load_linux P((int root_mount_port,int swap_mount_port,
int root_nfs_port,char *kernel_handle));
extern int downloadkernel P((unsigned char *, int, int, int));
extern int tftp P((const char *name, int (*)(unsigned char *, int, int, int)));
extern void rpc_init(void);
extern int nfs P((const char *name, int (*)(unsigned char *, int, int, int)));
extern void nfs_umountall P((int));
#endif /* ! GRUB */
extern int bootp P((void));
extern int rarp P((void));
extern int udp_transmit P((unsigned long destip, unsigned int srcsock,
unsigned int destsock, int len, const void *buf));
extern int await_reply P((int type, int ival, void *ptr, int timeout));
extern int decode_rfc1533 P((unsigned char *, int, int, int));
extern unsigned short ipchksum P((unsigned short *, int len));
extern void rfc951_sleep P((int));
extern void cleanup_net P((void));
extern void cleanup P((void));
extern void print_network_configuration (void);
extern int ifconfig (char *ip, char *sm, char *gw, char *svr);
extern int udp_transmit (unsigned long destip, unsigned int srcsock,
unsigned int destsock, int len, const void *buf);
extern int await_reply (int type, int ival, void *ptr, int timeout);
extern int decode_rfc1533 (unsigned char *, int, int, int);
extern long rfc2131_sleep_interval (int base, int exp);
extern void cleanup (void);
extern int rarp (void);
extern int bootp (void);
extern void cleanup_net (void);
/* config.c */
extern void print_config(void);
extern void eth_reset(void);
extern int eth_probe(void);
extern int eth_poll(void);
extern void eth_transmit(const char *d, unsigned int t, unsigned int s, const void *p);
extern void eth_disable(void);
#ifndef GRUB
/* bootmenu.c */
extern int execute P((char *string));
extern void bootmenu P((int));
extern void show_motd P((void));
extern void parse_menuopts P((char *,int));
extern int getoptvalue P((char **, int *, int *));
extern void selectImage P((char **));
/* osloader.c */
#if defined(AOUT_IMAGE) || defined(ELF_IMAGE)
extern int howto;
#endif
extern int os_download P((unsigned int, unsigned char *,unsigned int));
#endif /* ! GRUB */
extern void print_config (void);
extern void eth_reset (void);
extern int eth_probe (void);
extern int eth_poll (void);
extern void eth_transmit (const char *d, unsigned int t,
unsigned int s, const void *p);
extern void eth_disable (void);
/* misc.c */
extern void twiddle P((void));
extern void sleep P((int secs));
#ifndef GRUB
extern int strcasecmp P((char *a, char *b));
extern char *substr P((char *a, char *b));
#endif /* ! GRUB */
extern int getdec P((char **));
#ifndef GRUB
extern void printf P((const char *, ...));
extern char *sprintf P((char *, const char *, ...));
#endif /* ! GRUB */
extern int inet_aton P((char *p, in_addr *i));
#ifndef GRUB
extern void gateA20_set P((void));
extern void gateA20_unset P((void));
extern void putchar P((int));
extern int getchar P((void));
extern int iskey P((void));
/* start*.S */
extern int getc P((void));
extern void putc P((int));
extern int ischar P((void));
extern int getshift P((void));
extern unsigned int memsize P((void));
extern unsigned short basememsize P((void));
extern void disk_init P((void));
extern unsigned int disk_read P((int drv,int c,int h,int s,char *buf));
extern void xstart P((unsigned long, unsigned long, char *));
extern unsigned long currticks P((void));
extern int setjmp P((void *jmpbuf));
extern void longjmp P((void *jmpbuf, int where));
extern void exit P((int status));
extern void slowdownio P((void));
/* serial.S */
extern int serial_getc P((void));
extern void serial_putc P((int));
extern int serial_ischar P((void));
extern int serial_init P((void));
/* ansiesc.c */
extern void ansi_reset P((void));
extern void enable_cursor P((int));
extern void handleansi P((unsigned char));
/* md5.c */
extern void md5_put P((unsigned int ch));
extern void md5_done P((unsigned char *buf));
/* floppy.c */
extern int bootdisk P((int dev,int part));
#endif /* ! GRUB */
extern void twiddle (void);
extern void sleep (int secs);
extern int getdec (char **s);
extern void etherboot_printf (const char *, ...);
extern int etherboot_sprintf (char *, const char *, ...);
extern int inet_aton (char *p, in_addr *i);
/***************************************************************************
External variables
***************************************************************************/
/* main.c */
#ifdef GRUB
extern int ip_abort;
extern int network_ready;
#endif /* GRUB */
#ifndef GRUB
extern const char *kernel;
extern char kernel_buf[128];
#endif /* ! GRUB */
extern struct rom_info rom;
#ifndef GRUB
extern int hostnamelen;
extern unsigned long netmask;
extern int jmp_bootmenu[10];
#endif /* ! GRUB */
extern struct arptable_t arptable[MAX_ARP];
#ifndef GRUB
#ifdef IMAGE_MENU
extern char *motd[RFC1533_VENDOR_NUMOFMOTD];
extern int menutmo,menudefault;
extern unsigned char *defparams;
extern int defparams_max;
#endif
#endif /* ! GRUB */
#if defined(ETHERBOOT32) && !defined(INTERNAL_BOOTP_DATA)
#define BOOTP_DATA_ADDR ((struct bootpd_t *)0x93C00)
#else
extern struct bootpd_t bootp_data;
#define BOOTP_DATA_ADDR (&bootp_data)
#endif
extern unsigned char *end_of_rfc1533;
#ifdef IMAGE_FREEBSD
extern int freebsd_howto;
#endif
/* config.c */
extern struct nic nic;
/* bootmenu.c */
/* osloader.c */
/* Local hack - define some macros to use etherboot source files "as is". */
#ifndef GRUB
/* created by linker */
extern char _start[], _edata[], _end[];
#endif /* ! GRUB */
/*
* Local variables:
* c-basic-offset: 8
* End:
*/
# undef printf
# define printf etherboot_printf
# undef sprintf
# define sprintf etherboot_sprintf
#endif /* GRUB */