wok rev 1121
gpxe: add cmdline support
author | Pascal Bellard <pascal.bellard@slitaz.org> |
---|---|
date | Mon Jul 21 14:22:01 2008 +0000 (2008-07-21) |
parents | 3c46706775f3 |
children | a08b2e53cf96 |
files | gpxe/receipt gpxe/stuff/cmdline.u |
line diff
1.1 --- a/gpxe/receipt Sun Jul 20 23:51:51 2008 +0200 1.2 +++ b/gpxe/receipt Mon Jul 21 14:22:01 2008 +0000 1.3 @@ -13,7 +13,8 @@ 1.4 compile_rules() 1.5 { 1.6 cd $src/src 1.7 - for i in prefix.u default_boot.u; do 1.8 + for i in prefix.u default_boot.u cmdline.u; do 1.9 + echo "Apply $i..." 1.10 patch -p2 < ../../stuff/$i || return 1 1.11 done 1.12 make bin/gpxe.lkrn bin/undionly.kpxe
2.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 2.2 +++ b/gpxe/stuff/cmdline.u Mon Jul 21 14:22:01 2008 +0000 2.3 @@ -0,0 +1,183 @@ 2.4 +--- gpxe-0.9.3/src/arch/i386/prefix/lkrnprefix.S 2.5 ++++ gpxe-0.9.3/src/arch/i386/prefix/lkrnprefix.S 2.6 +@@ -77,7 +77,9 @@ 2.7 + popw %ax 2.8 + addw $(0x100/16), %ax /* Adjust cs */ 2.9 + pushw %ax 2.10 +- jmp go_setup_code 2.11 ++ pushw $run_etherboot_floppy 2.12 ++ /* Calculated lcall to _start with %cs:0000 = image start */ 2.13 ++ lret 2.14 + 2.15 + bootsector: 2.16 + jmp $BOOTSEG, $go /* reload cs:ip to match relocation addr */ 2.17 +@@ -197,7 +199,7 @@ 2.18 + */ 2.19 + 2.20 + /* Jump to loaded copy */ 2.21 +- ljmp $SYSSEG, $run_etherboot2 2.22 ++ ljmp $SYSSEG, $run_etherboot_floppy 2.23 + 2.24 + endseg: .word SYSSEG + _load_size_pgh 2.25 + .section ".zinfo.fixup", "a" /* Compressor fixup information */ 2.26 +@@ -436,8 +438,7 @@ 2.27 + * we just have to ensure that %cs:0000 is where the start of 2.28 + * the Etherboot image *would* be. 2.29 + */ 2.30 +-go_setup_code: 2.31 +- pushw $run_etherboot 2.32 ++ pushw $run_etherboot_zImage 2.33 + /* Calculated lcall to _start with %cs:0000 = image start */ 2.34 + lret 2.35 + 2.36 +@@ -448,7 +449,23 @@ 2.37 + /* 2.38 + We're now at the beginning of the kernel proper. 2.39 + */ 2.40 +-run_etherboot2: 2.41 ++run_etherboot_zImage: 2.42 ++ mov $0x0020, %si 2.43 ++ lodsw 2.44 ++ cmp $0xA33F, %ax 2.45 ++ jne run_etherboot 2.46 ++ lodsw 2.47 ++ xchg %ax, %si 2.48 ++ push %ds 2.49 ++ pop %es 2.50 ++ movw $boot_url, %di 2.51 ++copy_cmdline: 2.52 ++ lodsb 2.53 ++ stosb 2.54 ++ or %al, %al 2.55 ++ jne copy_cmdline 2.56 ++ jmp run_etherboot 2.57 ++run_etherboot_floppy: 2.58 + push %cs 2.59 + pop %ds 2.60 + run_etherboot: 2.61 + 2.62 +--- gpxe-0.9.3/src/net/udp/dns.c 2.63 ++++ gpxe-0.9.3/src/net/udp/dns.c 2.64 +@@ -506,6 +506,19 @@ 2.65 + .resolv = dns_resolv, 2.66 + }; 2.67 + 2.68 ++int apply_nameserver(struct in_addr sin_addr) 2.69 ++{ 2.70 ++ struct sockaddr_in *sin_nameserver; 2.71 ++ 2.72 ++ sin_nameserver = ( struct sockaddr_in * ) &nameserver; 2.73 ++ sin_nameserver->sin_family = AF_INET; 2.74 ++ sin_nameserver->sin_addr = sin_addr; 2.75 ++ DBG ( "DNS using nameserver %s\n", 2.76 ++ inet_ntoa ( sin_addr ) ); 2.77 ++ 2.78 ++ return 0; 2.79 ++} 2.80 ++ 2.81 + /** 2.82 + * Apply DHCP nameserver option 2.83 + * 2.84 +@@ -514,16 +527,10 @@ 2.85 + */ 2.86 + static int apply_dhcp_nameserver ( unsigned int tag __unused, 2.87 + struct dhcp_option *option ) { 2.88 +- struct sockaddr_in *sin_nameserver; 2.89 +- 2.90 +- sin_nameserver = ( struct sockaddr_in * ) &nameserver; 2.91 +- sin_nameserver->sin_family = AF_INET; 2.92 +- dhcp_ipv4_option ( option, &sin_nameserver->sin_addr ); 2.93 +- 2.94 +- DBG ( "DNS using nameserver %s\n", 2.95 +- inet_ntoa ( sin_nameserver->sin_addr ) ); 2.96 ++ struct in_addr sin_addr; 2.97 + 2.98 +- return 0; 2.99 ++ dhcp_ipv4_option ( option, &sin_addr ); 2.100 ++ return apply_nameserver(sin_addr); 2.101 + } 2.102 + 2.103 + /** DHCP nameserver applicator */ 2.104 + 2.105 +--- gpxe-0.9.3/src/usr/autoboot.c 2.106 ++++ gpxe-0.9.3/src/usr/autoboot.c 2.107 +@@ -23,6 +23,7 @@ 2.108 + #include <gpxe/dhcp.h> 2.109 + #include <gpxe/image.h> 2.110 + #include <gpxe/embedded.h> 2.111 ++#include <gpxe/ip.h> 2.112 + #include <usr/ifmgmt.h> 2.113 + #include <usr/route.h> 2.114 + #include <usr/dhcpmgmt.h> 2.115 +@@ -150,16 +151,68 @@ 2.116 + */ 2.117 + static int netboot ( struct net_device *netdev ) { 2.118 + char buf[256]; 2.119 +- int rc; 2.120 ++ int rc, nodhcp; 2.121 ++ char *ip, *gw, *dns, *s; 2.122 ++ extern int apply_nameserver(struct in_addr sin_addr); 2.123 + 2.124 + /* Open device and display device status */ 2.125 + if ( ( rc = ifopen ( netdev ) ) != 0 ) 2.126 + return rc; 2.127 + ifstat ( netdev ); 2.128 + 2.129 ++ ip = gw = dns = NULL; 2.130 ++ nodhcp = 0; 2.131 ++ for (s = forced_url.url; *s && s < forced_url.url + 256;) { 2.132 ++ while (*s == ' ') s++; 2.133 ++ if (!strncmp(s,"ip=",3)) ip = s + 3, *s++ = 0; 2.134 ++ if (!strncmp(s,"gw=",3)) gw = s + 3, *s++ = 0; 2.135 ++ if (!strncmp(s,"dns=",4)) dns = s + 4, *s++ = 0; 2.136 ++ if (!strncmp(s,"nodhcp",5)) nodhcp++, *s++ = 0; 2.137 ++ if (!strncmp(s,"url=",4)) { 2.138 ++ char *p = forced_url.url; 2.139 ++ for (s += 4; *s && *s != ' '; *p++ = *s++); 2.140 ++ *p = 0; 2.141 ++ } 2.142 ++ while (*s && *s != ' ') s++; 2.143 ++ *s++ = 0; 2.144 ++ } 2.145 ++ 2.146 + /* Configure device via DHCP */ 2.147 +- if ( ( rc = dhcp ( netdev ) ) != 0 ) 2.148 +- return rc; 2.149 ++ if (forced_url.url[0]) printf("url=%s\n",forced_url.url); 2.150 ++ if ( nodhcp || ( rc = dhcp ( netdev ) ) != 0 ) { 2.151 ++#define IN_CLASSA(x) (( (x).s_addr & 0x80000000) == 0) 2.152 ++#define IN_CLASSB(x) (( (x).s_addr & 0xc0000000) == 0x80000000) 2.153 ++#define IN_CLASSA_NET 0xff000000 2.154 ++#define IN_CLASSB_NET 0xffff0000 2.155 ++#define IN_CLASSC_NET 0xffffff00 2.156 ++#define IN_CLASSLESS_NET(x) (0xffffffff << (32 - (x))) 2.157 ++ struct in_addr address, netmask, gateway, nameserver; 2.158 ++ char *p; 2.159 ++ 2.160 ++ if (!ip || !gw || !inet_aton(gw, &gateway)) 2.161 ++ return rc; 2.162 ++ p = strchr(ip,'/'); 2.163 ++ if (p) *p++ = 0; 2.164 ++ if (!inet_aton(ip, &address)) 2.165 ++ return rc; 2.166 ++ if (p) { 2.167 ++ int n; 2.168 ++ for (n = 0; *p >= '0' && *p <= '9'; 2.169 ++ n *= 10, n += *p++ - 10); 2.170 ++ netmask.s_addr = IN_CLASSLESS_NET(n); 2.171 ++ } 2.172 ++ else if (IN_CLASSA(address)) netmask.s_addr = IN_CLASSA_NET; 2.173 ++ else if (IN_CLASSB(address)) netmask.s_addr = IN_CLASSB_NET; 2.174 ++ else netmask.s_addr = IN_CLASSC_NET; 2.175 ++ del_ipv4_address ( netdev ); 2.176 ++ if ( ( rc = add_ipv4_address ( netdev, address, netmask, 2.177 ++ gateway ) ) != 0 ) { 2.178 ++ return rc; 2.179 ++ } 2.180 ++ if (dns) printf("dns=%s\n",dns); 2.181 ++ if (dns && inet_aton(dns, &nameserver)) 2.182 ++ apply_nameserver(nameserver); 2.183 ++ } 2.184 + route(); 2.185 + 2.186 + /* Try to boot an embedded image if we have one */