mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-17 07:28:51 +09:00
![Wolfgang Denk](/assets/img/avatar_default.png)
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
448 lines
9.3 KiB
C
448 lines
9.3 KiB
C
/*
|
|
* (C) Copyright 2000
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
/*
|
|
* Boot support
|
|
*/
|
|
#include <common.h>
|
|
#include <command.h>
|
|
#include <net.h>
|
|
|
|
static int netboot_common(enum proto_t, cmd_tbl_t *, int, char * const []);
|
|
|
|
static int do_bootp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
return netboot_common(BOOTP, cmdtp, argc, argv);
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
bootp, 3, 1, do_bootp,
|
|
"boot image via network using BOOTP/TFTP protocol",
|
|
"[loadAddress] [[hostIPaddr:]bootfilename]"
|
|
);
|
|
|
|
int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
int ret;
|
|
|
|
bootstage_mark_name(BOOTSTAGE_KERNELREAD_START, "tftp_start");
|
|
ret = netboot_common(TFTPGET, cmdtp, argc, argv);
|
|
bootstage_mark_name(BOOTSTAGE_KERNELREAD_STOP, "tftp_done");
|
|
return ret;
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
tftpboot, 3, 1, do_tftpb,
|
|
"boot image via network using TFTP protocol",
|
|
"[loadAddress] [[hostIPaddr:]bootfilename]"
|
|
);
|
|
|
|
#ifdef CONFIG_CMD_TFTPPUT
|
|
int do_tftpput(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
int ret;
|
|
|
|
ret = netboot_common(TFTPPUT, cmdtp, argc, argv);
|
|
return ret;
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
tftpput, 4, 1, do_tftpput,
|
|
"TFTP put command, for uploading files to a server",
|
|
"Address Size [[hostIPaddr:]filename]"
|
|
);
|
|
#endif
|
|
|
|
#ifdef CONFIG_CMD_TFTPSRV
|
|
static int do_tftpsrv(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
|
|
{
|
|
return netboot_common(TFTPSRV, cmdtp, argc, argv);
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
tftpsrv, 2, 1, do_tftpsrv,
|
|
"act as a TFTP server and boot the first received file",
|
|
"[loadAddress]\n"
|
|
"Listen for an incoming TFTP transfer, receive a file and boot it.\n"
|
|
"The transfer is aborted if a transfer has not been started after\n"
|
|
"about 50 seconds or if Ctrl-C is pressed."
|
|
);
|
|
#endif
|
|
|
|
|
|
#ifdef CONFIG_CMD_RARP
|
|
int do_rarpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
return netboot_common(RARP, cmdtp, argc, argv);
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
rarpboot, 3, 1, do_rarpb,
|
|
"boot image via network using RARP/TFTP protocol",
|
|
"[loadAddress] [[hostIPaddr:]bootfilename]"
|
|
);
|
|
#endif
|
|
|
|
#if defined(CONFIG_CMD_DHCP)
|
|
static int do_dhcp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
return netboot_common(DHCP, cmdtp, argc, argv);
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
dhcp, 3, 1, do_dhcp,
|
|
"boot image via network using DHCP/TFTP protocol",
|
|
"[loadAddress] [[hostIPaddr:]bootfilename]"
|
|
);
|
|
#endif
|
|
|
|
#if defined(CONFIG_CMD_NFS)
|
|
static int do_nfs(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
return netboot_common(NFS, cmdtp, argc, argv);
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
nfs, 3, 1, do_nfs,
|
|
"boot image via network using NFS protocol",
|
|
"[loadAddress] [[hostIPaddr:]bootfilename]"
|
|
);
|
|
#endif
|
|
|
|
static void netboot_update_env(void)
|
|
{
|
|
char tmp[22];
|
|
|
|
if (NetOurGatewayIP) {
|
|
ip_to_string(NetOurGatewayIP, tmp);
|
|
setenv("gatewayip", tmp);
|
|
}
|
|
|
|
if (NetOurSubnetMask) {
|
|
ip_to_string(NetOurSubnetMask, tmp);
|
|
setenv("netmask", tmp);
|
|
}
|
|
|
|
if (NetOurHostName[0])
|
|
setenv("hostname", NetOurHostName);
|
|
|
|
if (NetOurRootPath[0])
|
|
setenv("rootpath", NetOurRootPath);
|
|
|
|
if (NetOurIP) {
|
|
ip_to_string(NetOurIP, tmp);
|
|
setenv("ipaddr", tmp);
|
|
}
|
|
#if !defined(CONFIG_BOOTP_SERVERIP)
|
|
/*
|
|
* Only attempt to change serverip if net/bootp.c:BootpCopyNetParams()
|
|
* could have set it
|
|
*/
|
|
if (NetServerIP) {
|
|
ip_to_string(NetServerIP, tmp);
|
|
setenv("serverip", tmp);
|
|
}
|
|
#endif
|
|
if (NetOurDNSIP) {
|
|
ip_to_string(NetOurDNSIP, tmp);
|
|
setenv("dnsip", tmp);
|
|
}
|
|
#if defined(CONFIG_BOOTP_DNS2)
|
|
if (NetOurDNS2IP) {
|
|
ip_to_string(NetOurDNS2IP, tmp);
|
|
setenv("dnsip2", tmp);
|
|
}
|
|
#endif
|
|
if (NetOurNISDomain[0])
|
|
setenv("domain", NetOurNISDomain);
|
|
|
|
#if defined(CONFIG_CMD_SNTP) \
|
|
&& defined(CONFIG_BOOTP_TIMEOFFSET)
|
|
if (NetTimeOffset) {
|
|
sprintf(tmp, "%d", NetTimeOffset);
|
|
setenv("timeoffset", tmp);
|
|
}
|
|
#endif
|
|
#if defined(CONFIG_CMD_SNTP) \
|
|
&& defined(CONFIG_BOOTP_NTPSERVER)
|
|
if (NetNtpServerIP) {
|
|
ip_to_string(NetNtpServerIP, tmp);
|
|
setenv("ntpserverip", tmp);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
static int netboot_common(enum proto_t proto, cmd_tbl_t *cmdtp, int argc,
|
|
char * const argv[])
|
|
{
|
|
char *s;
|
|
char *end;
|
|
int rcode = 0;
|
|
int size;
|
|
ulong addr;
|
|
|
|
/* pre-set load_addr */
|
|
if ((s = getenv("loadaddr")) != NULL) {
|
|
load_addr = simple_strtoul(s, NULL, 16);
|
|
}
|
|
|
|
switch (argc) {
|
|
case 1:
|
|
break;
|
|
|
|
case 2: /*
|
|
* Only one arg - accept two forms:
|
|
* Just load address, or just boot file name. The latter
|
|
* form must be written in a format which can not be
|
|
* mis-interpreted as a valid number.
|
|
*/
|
|
addr = simple_strtoul(argv[1], &end, 16);
|
|
if (end == (argv[1] + strlen(argv[1])))
|
|
load_addr = addr;
|
|
else
|
|
copy_filename(BootFile, argv[1], sizeof(BootFile));
|
|
break;
|
|
|
|
case 3: load_addr = simple_strtoul(argv[1], NULL, 16);
|
|
copy_filename(BootFile, argv[2], sizeof(BootFile));
|
|
|
|
break;
|
|
|
|
#ifdef CONFIG_CMD_TFTPPUT
|
|
case 4:
|
|
if (strict_strtoul(argv[1], 16, &save_addr) < 0 ||
|
|
strict_strtoul(argv[2], 16, &save_size) < 0) {
|
|
printf("Invalid address/size\n");
|
|
return cmd_usage(cmdtp);
|
|
}
|
|
copy_filename(BootFile, argv[3], sizeof(BootFile));
|
|
break;
|
|
#endif
|
|
default:
|
|
bootstage_error(BOOTSTAGE_ID_NET_START);
|
|
return CMD_RET_USAGE;
|
|
}
|
|
bootstage_mark(BOOTSTAGE_ID_NET_START);
|
|
|
|
if ((size = NetLoop(proto)) < 0) {
|
|
bootstage_error(BOOTSTAGE_ID_NET_NETLOOP_OK);
|
|
return 1;
|
|
}
|
|
bootstage_mark(BOOTSTAGE_ID_NET_NETLOOP_OK);
|
|
|
|
/* NetLoop ok, update environment */
|
|
netboot_update_env();
|
|
|
|
/* done if no file was loaded (no errors though) */
|
|
if (size == 0) {
|
|
bootstage_error(BOOTSTAGE_ID_NET_LOADED);
|
|
return 0;
|
|
}
|
|
|
|
/* flush cache */
|
|
flush_cache(load_addr, size);
|
|
|
|
bootstage_mark(BOOTSTAGE_ID_NET_LOADED);
|
|
|
|
rcode = bootm_maybe_autostart(cmdtp, argv[0]);
|
|
|
|
if (rcode < 0)
|
|
bootstage_error(BOOTSTAGE_ID_NET_DONE_ERR);
|
|
else
|
|
bootstage_mark(BOOTSTAGE_ID_NET_DONE);
|
|
return rcode;
|
|
}
|
|
|
|
#if defined(CONFIG_CMD_PING)
|
|
static int do_ping(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
if (argc < 2)
|
|
return -1;
|
|
|
|
NetPingIP = string_to_ip(argv[1]);
|
|
if (NetPingIP == 0)
|
|
return CMD_RET_USAGE;
|
|
|
|
if (NetLoop(PING) < 0) {
|
|
printf("ping failed; host %s is not alive\n", argv[1]);
|
|
return 1;
|
|
}
|
|
|
|
printf("host %s is alive\n", argv[1]);
|
|
|
|
return 0;
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
ping, 2, 1, do_ping,
|
|
"send ICMP ECHO_REQUEST to network host",
|
|
"pingAddress"
|
|
);
|
|
#endif
|
|
|
|
#if defined(CONFIG_CMD_CDP)
|
|
|
|
static void cdp_update_env(void)
|
|
{
|
|
char tmp[16];
|
|
|
|
if (CDPApplianceVLAN != htons(-1)) {
|
|
printf("CDP offered appliance VLAN %d\n", ntohs(CDPApplianceVLAN));
|
|
VLAN_to_string(CDPApplianceVLAN, tmp);
|
|
setenv("vlan", tmp);
|
|
NetOurVLAN = CDPApplianceVLAN;
|
|
}
|
|
|
|
if (CDPNativeVLAN != htons(-1)) {
|
|
printf("CDP offered native VLAN %d\n", ntohs(CDPNativeVLAN));
|
|
VLAN_to_string(CDPNativeVLAN, tmp);
|
|
setenv("nvlan", tmp);
|
|
NetOurNativeVLAN = CDPNativeVLAN;
|
|
}
|
|
|
|
}
|
|
|
|
int do_cdp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
int r;
|
|
|
|
r = NetLoop(CDP);
|
|
if (r < 0) {
|
|
printf("cdp failed; perhaps not a CISCO switch?\n");
|
|
return 1;
|
|
}
|
|
|
|
cdp_update_env();
|
|
|
|
return 0;
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
cdp, 1, 1, do_cdp,
|
|
"Perform CDP network configuration",
|
|
"\n"
|
|
);
|
|
#endif
|
|
|
|
#if defined(CONFIG_CMD_SNTP)
|
|
int do_sntp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
char *toff;
|
|
|
|
if (argc < 2) {
|
|
NetNtpServerIP = getenv_IPaddr("ntpserverip");
|
|
if (NetNtpServerIP == 0) {
|
|
printf("ntpserverip not set\n");
|
|
return (1);
|
|
}
|
|
} else {
|
|
NetNtpServerIP = string_to_ip(argv[1]);
|
|
if (NetNtpServerIP == 0) {
|
|
printf("Bad NTP server IP address\n");
|
|
return (1);
|
|
}
|
|
}
|
|
|
|
toff = getenv("timeoffset");
|
|
if (toff == NULL)
|
|
NetTimeOffset = 0;
|
|
else
|
|
NetTimeOffset = simple_strtol(toff, NULL, 10);
|
|
|
|
if (NetLoop(SNTP) < 0) {
|
|
printf("SNTP failed: host %pI4 not responding\n",
|
|
&NetNtpServerIP);
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
sntp, 2, 1, do_sntp,
|
|
"synchronize RTC via network",
|
|
"[NTP server IP]\n"
|
|
);
|
|
#endif
|
|
|
|
#if defined(CONFIG_CMD_DNS)
|
|
int do_dns(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
if (argc == 1)
|
|
return CMD_RET_USAGE;
|
|
|
|
/*
|
|
* We should check for a valid hostname:
|
|
* - Each label must be between 1 and 63 characters long
|
|
* - the entire hostname has a maximum of 255 characters
|
|
* - only the ASCII letters 'a' through 'z' (case-insensitive),
|
|
* the digits '0' through '9', and the hyphen
|
|
* - cannot begin or end with a hyphen
|
|
* - no other symbols, punctuation characters, or blank spaces are
|
|
* permitted
|
|
* but hey - this is a minimalist implmentation, so only check length
|
|
* and let the name server deal with things.
|
|
*/
|
|
if (strlen(argv[1]) >= 255) {
|
|
printf("dns error: hostname too long\n");
|
|
return 1;
|
|
}
|
|
|
|
NetDNSResolve = argv[1];
|
|
|
|
if (argc == 3)
|
|
NetDNSenvvar = argv[2];
|
|
else
|
|
NetDNSenvvar = NULL;
|
|
|
|
if (NetLoop(DNS) < 0) {
|
|
printf("dns lookup of %s failed, check setup\n", argv[1]);
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
dns, 3, 1, do_dns,
|
|
"lookup the IP of a hostname",
|
|
"hostname [envvar]"
|
|
);
|
|
|
|
#endif /* CONFIG_CMD_DNS */
|
|
|
|
#if defined(CONFIG_CMD_LINK_LOCAL)
|
|
static int do_link_local(cmd_tbl_t *cmdtp, int flag, int argc,
|
|
char * const argv[])
|
|
{
|
|
char tmp[22];
|
|
|
|
if (NetLoop(LINKLOCAL) < 0)
|
|
return 1;
|
|
|
|
NetOurGatewayIP = 0;
|
|
ip_to_string(NetOurGatewayIP, tmp);
|
|
setenv("gatewayip", tmp);
|
|
|
|
ip_to_string(NetOurSubnetMask, tmp);
|
|
setenv("netmask", tmp);
|
|
|
|
ip_to_string(NetOurIP, tmp);
|
|
setenv("ipaddr", tmp);
|
|
setenv("llipaddr", tmp); /* store this for next time */
|
|
|
|
return 0;
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
linklocal, 1, 1, do_link_local,
|
|
"acquire a network IP address using the link-local protocol",
|
|
""
|
|
);
|
|
|
|
#endif /* CONFIG_CMD_LINK_LOCAL */
|