mirror of
https://git.savannah.gnu.org/git/grub.git
synced 2026-10-21 06:49:35 +00:00
update the network support to etherboot-4.5.8.
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@@ -6,13 +6,31 @@ Author: Martin Renters
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**************************************************************************/
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/* Enable GRUB-specific stuff. */
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#define GRUB 1
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#ifdef GRUB
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/* Include GRUB-specific macros and prototypes here. */
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#include <shared.h>
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# include <shared.h>
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/* FIXME: For now, enable the DHCP support. Perhaps I should segregate
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the DHCP support from the BOOTP support, and permit both to
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co-exist. */
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#undef NO_DHCP_SUPPORT
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# undef NO_DHCP_SUPPORT
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/* In GRUB, the relocated address in Etherboot doesn't have any sense.
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Just define it as a bogus value. */
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# define RELOC 0
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/* Force to use the internal buffer. */
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# define INTERNAL_BOOTP_DATA 1
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/* Likewise. */
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# define USE_INTERNAL_BUFFER 1
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/* FIXME: Should be an option. */
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# define BACKOFF_LIMIT 7
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#endif /* GRUB */
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#include "osdep.h"
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@@ -29,37 +47,74 @@ Author: Martin Renters
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#define TAGGED_IMAGE /* choose at least one */
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#endif
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#if 0
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# define ESC 0x1B
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#else
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#ifdef GRUB
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# define CTRL_C 3
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#endif
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#else /* ! GRUB */
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# define ESC 0x1B
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#endif /* ! GRUB */
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#ifndef DEFAULT_BOOTFILE
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#ifndef DEFAULT_BOOTFILE
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#define DEFAULT_BOOTFILE "/tftpboot/kernel"
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#endif
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#ifndef MAX_TFTP_RETRIES
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/* Clean up console settings... mainly CONSOLE_CRT and CONSOLE_SERIAL are used
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* in the sources (except start.S and serial.S which cannot include
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* etherboot.h). At least one of the CONSOLE_xxx has to be set, and
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* CONSOLE_DUAL sets both CONSOLE_CRT and CONSOLE_SERIAL. If none is set,
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* CONSOLE_CRT is assumed. */
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#ifdef CONSOLE_DUAL
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#undef CONSOLE_CRT
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#define CONSOLE_CRT
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#undef CONSOLE_SERIAL
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#define CONSOLE_SERIAL
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#endif
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#if defined(CONSOLE_CRT) && defined(CONSOLE_SERIAL)
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#undef CONSOLE_DUAL
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#define CONSOLE_DUAL
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#endif
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#if !defined(CONSOLE_CRT) && !defined(CONSOLE_SERIAL)
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#define CONSOLE_CRT
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#endif
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#ifndef DOWNLOAD_PROTO_NFS
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#undef DOWNLOAD_PROTO_TFTP
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#define DOWNLOAD_PROTO_TFTP /* default booting protocol */
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#endif
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#ifdef DOWNLOAD_PROTO_TFTP
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#define download(fname,loader) tftp((fname),(loader))
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#endif
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#ifdef DOWNLOAD_PROTO_NFS
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#define download(fname,loader) nfs((fname),(loader))
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#endif
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#ifndef MAX_TFTP_RETRIES
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#define MAX_TFTP_RETRIES 20
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#endif
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#ifndef MAX_BOOTP_RETRIES
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#ifndef MAX_BOOTP_RETRIES
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#define MAX_BOOTP_RETRIES 20
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#endif
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#ifndef MAX_BOOTP_EXTLEN
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#if defined(INTERNAL_BOOTP_DATA) || (RELOC >= 0x94200)
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#ifndef MAX_BOOTP_EXTLEN
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#if (RELOC < 0x94000)
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/* Force internal buffer (if external buffer would overlap with our code...) */
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#undef INTERNAL_BOOTP_DATA
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#define INTERNAL_BOOTP_DATA
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#endif
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/* sizeof(struct bootp_t) == 0x240 */
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#if defined(INTERNAL_BOOTP_DATA) || (RELOC >= 0x94240)
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#define MAX_BOOTP_EXTLEN 1024
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#else
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#define MAX_BOOTP_EXTLEN (1024-sizeof(struct bootp_t))
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#endif /* INTERNAL_BOOTP_DATA || RELOC > 0x94200 */
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#endif
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#endif
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#ifndef MAX_ARP_RETRIES
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#ifndef MAX_ARP_RETRIES
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#define MAX_ARP_RETRIES 20
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#endif
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#ifndef MAX_RPC_RETRIES
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#ifndef MAX_RPC_RETRIES
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#define MAX_RPC_RETRIES 20
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#endif
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@@ -74,7 +129,7 @@ Author: Martin Renters
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/* packet retransmission timeout in ticks */
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#define TFTP_REXMT (3*TICKS_PER_SEC)
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#ifndef NULL
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#ifndef NULL
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#define NULL ((void *)0)
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#endif
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@@ -113,7 +168,8 @@ Author: Martin Renters
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#define BOOTP_SERVER 67
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#define BOOTP_CLIENT 68
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#define TFTP 69
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#define TFTP_PORT 69
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#define SUNRPC_PORT 111
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#define IP_UDP 17
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/* Same after going through htonl */
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@@ -195,7 +251,9 @@ Author: Martin Renters
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#define RFC1533_VENDOR_MAGIC 128
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#define RFC1533_VENDOR_ADDPARM 129
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#define RFC1533_VENDOR_HOWTO 132 /* used by FreeBSD */
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#ifdef IMAGE_FREEBSD
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#define RFC1533_VENDOR_HOWTO 132
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#endif
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#define RFC1533_VENDOR_MNUOPTS 160
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#define RFC1533_VENDOR_SELECTION 176
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#define RFC1533_VENDOR_MOTD 184
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@@ -228,7 +286,9 @@ Author: Martin Renters
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#define AWAIT_ARP 0
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#define AWAIT_BOOTP 1
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#define AWAIT_TFTP 2
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#define AWAIT_RARP 3
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#define AWAIT_RARP 3
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#define AWAIT_RPC 4
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#define AWAIT_QDRAIN 5 /* drain queue, process ARP requests */
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typedef struct {
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unsigned long s_addr;
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@@ -296,7 +356,7 @@ struct bootp_t {
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char bp_vend[BOOTP_VENDOR_LEN];
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#else
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char bp_vend[DHCP_OPT_LEN];
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#endif /* NO_DHCP_SUPPORT */
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#endif /* NO_DHCP_SUPPORT */
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};
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struct bootpd_t {
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@@ -329,6 +389,60 @@ struct tftp_t {
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#define TFTP_MIN_PACKET (sizeof(struct iphdr) + sizeof(struct udphdr) + 4)
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struct rpc_t {
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struct iphdr ip;
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struct udphdr udp;
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union {
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char data[300]; /* longest RPC call must fit!!!! */
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struct {
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long id;
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long type;
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long rpcvers;
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long prog;
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long vers;
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long proc;
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long data[1];
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} call;
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struct {
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long id;
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long type;
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long rstatus;
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long verifier;
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long v2;
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long astatus;
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long data[1];
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} reply;
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} u;
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};
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#define PROG_PORTMAP 100000
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#define PROG_NFS 100003
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#define PROG_MOUNT 100005
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#define MSG_CALL 0
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#define MSG_REPLY 1
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#define PORTMAP_GETPORT 3
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#define MOUNT_ADDENTRY 1
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#define MOUNT_UMOUNTALL 4
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#define NFS_LOOKUP 4
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#define NFS_READ 6
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#define NFS_FHSIZE 32
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#define NFSERR_PERM 1
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#define NFSERR_NOENT 2
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#define NFSERR_ACCES 13
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/* Block size used for NFS read accesses. A RPC reply packet (including all
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* headers) must fit within a single Ethernet frame to avoid fragmentation.
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* Chosen to be a power of two, as most NFS servers are optimized for this. */
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#define NFS_READ_SIZE 1024
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#define FLOPPY_BOOT_LOCATION 0x7c00
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#define ROM_INFO_LOCATION 0x7dfa
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/* at end of floppy boot block */
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@@ -338,30 +452,45 @@ struct rom_info {
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};
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/***************************************************************************
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extern int rarp P((void));
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External prototypes
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***************************************************************************/
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/* main.c */
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extern void print_network_configuration (void);
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#ifdef GRUB
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extern void print_network_configuration P((void));
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#endif /* GRUB */
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#if 0
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#ifndef GRUB
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extern void print_bytes P((unsigned char *bytes, int len));
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extern void load P((void));
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extern int load_linux P((int root_mount_port,int swap_mount_port,
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int root_nfs_port,char *kernel_handle));
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extern int tftpkernel P((unsigned char *, int, int, int));
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extern int downloadkernel P((unsigned char *, int, int, int));
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extern int tftp P((char *name, int (*)(unsigned char *, int, int, int)));
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#endif
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extern void rpc_init(void);
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extern int nfs P((const char *name, int (*)(unsigned char *, int, int, int)));
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extern void nfs_umountall P((int));
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#endif /* ! GRUB */
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extern int bootp P((void));
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extern int rarp P((void));
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extern int udp_transmit P((unsigned long destip, unsigned int srcsock,
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unsigned int destsock, int len, char *buf));
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extern int await_reply P((int type, int ival, char *ptr, int timeout));
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unsigned int destsock, int len, const void *buf));
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extern int await_reply P((int type, int ival, void *ptr, int timeout));
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extern int decode_rfc1533 P((unsigned char *, int, int, int));
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extern unsigned short ipchksum P((unsigned short *, int len));
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extern void rfc951_sleep P((int));
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extern void cleanup_net P((void));
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extern void cleanup P((void));
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#if 0
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/* config.c */
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extern void print_config(void);
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extern void eth_reset(void);
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extern int eth_probe(void);
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extern int eth_poll(void);
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extern void eth_transmit(const char *d, unsigned int t, unsigned int s, const void *p);
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extern void eth_disable(void);
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#ifndef GRUB
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/* bootmenu.c */
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extern int execute P((char *string));
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extern void bootmenu P((int));
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@@ -374,49 +503,53 @@ extern void selectImage P((char **));
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#if defined(AOUT_IMAGE) || defined(ELF_IMAGE)
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extern int howto;
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#endif
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extern int os_tftp P((unsigned int block,unsigned char *data,int len));
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#endif
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extern int os_download P((unsigned int, unsigned char *,unsigned int));
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#endif /* ! GRUB */
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/* misc.c */
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extern void twiddle P((void));
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extern void sleep P((int secs));
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#if 0
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#ifndef GRUB
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extern int strcasecmp P((char *a, char *b));
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extern char *substr P((char *a, char *b));
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#endif
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#endif /* ! GRUB */
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extern int getdec P((char **));
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#if 0
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extern void printf(); /* old style to avoid varargs */
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extern char *sprintf();
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extern int inet_ntoa P((char *p, in_addr *i));
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extern void gateA20 P((void));
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#ifndef GRUB
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extern void printf P((const char *, ...));
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extern char *sprintf P((char *, const char *, ...));
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extern int inet_aton P((char *p, in_addr *i));
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extern void gateA20_set P((void));
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extern void gateA20_unset P((void));
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extern void putchar P((int));
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extern int getchar ();
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extern int iskey P((void));
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extern int getchar P((void));
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extern int iskey P((void));
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/* start*.S */
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extern int getc P((void));
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extern void putc P((int));
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extern void putc P((int));
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extern int ischar P((void));
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extern int getshift P((void));
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extern unsigned short memsize P((void));
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extern unsigned int memsize P((void));
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extern unsigned short basememsize P((void));
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extern void disk_init P((void));
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extern unsigned int disk_read P((int drv,int c,int h,int s,char *buf));
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extern void xstart P((unsigned long, unsigned long, char *));
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extern long currticks P((void));
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extern unsigned long currticks P((void));
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extern int setjmp P((void *jmpbuf));
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extern void longjmp P((void *jmpbuf, int where));
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extern void exit P((int status));
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extern void slowdownio P((void));
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/* serial.S */
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extern int serial_getc P((void));
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extern void serial_putc P((int));
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extern int serial_ischar P((void));
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extern void serial_init P((void));
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extern int serial_init P((void));
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/* ansiesc.c */
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extern void ansi_reset P((void));
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extern void enable_cursor P((int));
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extern void handleansi P((unsigned char));
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/* md5.c */
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extern void md5_put P((unsigned int ch));
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@@ -424,53 +557,58 @@ extern void md5_done P((unsigned char *buf));
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/* floppy.c */
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extern int bootdisk P((int dev,int part));
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#endif
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#endif /* ! GRUB */
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/***************************************************************************
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External variables
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***************************************************************************/
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/* main.c */
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#ifdef GRUB
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extern int ip_abort;
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extern int network_ready;
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#if 0
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extern char *kernel;
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extern char kernel_buf[];
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#endif
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#endif /* GRUB */
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#ifndef GRUB
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extern const char *kernel;
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extern char kernel_buf[128];
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#endif /* ! GRUB */
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extern struct rom_info rom;
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#if 0
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#ifndef GRUB
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extern int hostnamelen;
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extern unsigned long netmask;
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extern int jmp_bootmenu[10];
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extern char kernel_buf[128];
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#endif
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extern int jmp_bootmenu[10];
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#endif /* ! GRUB */
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extern struct arptable_t arptable[MAX_ARP];
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#if 0
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extern char *imagelist[RFC1533_VENDOR_NUMOFIMG];
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extern char *motd[RFC1533_VENDOR_NUMOFMOTD];
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extern int menutmo,menudefault;
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extern struct bootpd_t bootp_data;
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#ifndef GRUB
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#ifdef IMAGE_MENU
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extern char *motd[RFC1533_VENDOR_NUMOFMOTD];
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extern int menutmo,menudefault;
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extern unsigned char *defparams;
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extern int defparams_max;
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#endif
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#ifdef ETHERBOOT32
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#define INTERNAL_BOOTP_DATA 1
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#ifdef INTERNAL_BOOTP_DATA
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#define BOOTP_DATA_ADDR (&bootp_data)
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#else
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#endif /* ! GRUB */
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#if defined(ETHERBOOT32) && !defined(INTERNAL_BOOTP_DATA)
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#define BOOTP_DATA_ADDR ((struct bootpd_t *)0x93C00)
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#endif /* INTERNAL_BOOTP_DATA */
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#endif
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#ifdef ETHERBOOT16
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#else
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extern struct bootpd_t bootp_data;
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#define BOOTP_DATA_ADDR (&bootp_data)
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#endif
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extern unsigned char *end_of_rfc1533;
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#ifdef IMAGE_FREEBSD
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extern int freebsd_howto;
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#endif
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/* config.c */
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extern struct nic nic;
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/* bootmenu.c */
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/* osloader.c */
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#if 0
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#ifndef GRUB
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/* created by linker */
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extern char _edata[], _end[];
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#endif
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extern char _start[], _edata[], _end[];
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#endif /* ! GRUB */
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/*
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* Local variables:
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