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pascal@1121
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1 --- gpxe-0.9.3/src/arch/i386/prefix/lkrnprefix.S
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2 +++ gpxe-0.9.3/src/arch/i386/prefix/lkrnprefix.S
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3 @@ -77,7 +77,9 @@
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4 popw %ax
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5 addw $(0x100/16), %ax /* Adjust cs */
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6 pushw %ax
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7 - jmp go_setup_code
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8 + pushw $run_etherboot_floppy
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pascal@1121
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9 + /* Calculated lcall to _start with %cs:0000 = image start */
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10 + lret
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11
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12 bootsector:
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13 jmp $BOOTSEG, $go /* reload cs:ip to match relocation addr */
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14 @@ -197,7 +199,7 @@
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15 */
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16
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pascal@1121
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17 /* Jump to loaded copy */
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18 - ljmp $SYSSEG, $run_etherboot2
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19 + ljmp $SYSSEG, $run_etherboot_floppy
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20
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21 endseg: .word SYSSEG + _load_size_pgh
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22 .section ".zinfo.fixup", "a" /* Compressor fixup information */
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23 @@ -436,8 +438,7 @@
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pascal@1121
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24 * we just have to ensure that %cs:0000 is where the start of
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25 * the Etherboot image *would* be.
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26 */
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27 -go_setup_code:
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28 - pushw $run_etherboot
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29 + pushw $run_etherboot_zImage
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pascal@1121
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30 /* Calculated lcall to _start with %cs:0000 = image start */
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31 lret
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32
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33 @@ -448,7 +449,25 @@
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34 /*
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35 We're now at the beginning of the kernel proper.
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36 */
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37 -run_etherboot2:
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38 +run_etherboot_zImage:
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39 + mov $0x0020, %si
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40 + lodsw
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41 + cmp $0xA33F, %ax
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42 + jne run_etherboot
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43 + lodsw
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44 + xchg %ax, %si
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pascal@1122
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45 + cmpb (%si),%ah
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46 + je run_etherboot
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pascal@1121
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47 + push %ds
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pascal@1121
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48 + pop %es
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pascal@1121
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49 + movw $boot_url, %di
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pascal@1121
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50 +copy_cmdline:
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pascal@1121
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51 + lodsb
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pascal@1121
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52 + stosb
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pascal@1121
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53 + or %al, %al
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54 + jne copy_cmdline
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55 + jmp run_etherboot
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pascal@1121
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56 +run_etherboot_floppy:
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pascal@1121
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57 push %cs
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58 pop %ds
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59 run_etherboot:
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60
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pascal@1121
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61 --- gpxe-0.9.3/src/net/udp/dns.c
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pascal@1121
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62 +++ gpxe-0.9.3/src/net/udp/dns.c
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63 @@ -506,6 +506,19 @@
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64 .resolv = dns_resolv,
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65 };
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66
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67 +int apply_nameserver(struct in_addr sin_addr)
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68 +{
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69 + struct sockaddr_in *sin_nameserver;
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70 +
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71 + sin_nameserver = ( struct sockaddr_in * ) &nameserver;
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72 + sin_nameserver->sin_family = AF_INET;
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73 + sin_nameserver->sin_addr = sin_addr;
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74 + DBG ( "DNS using nameserver %s\n",
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75 + inet_ntoa ( sin_addr ) );
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76 +
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77 + return 0;
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pascal@1121
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78 +}
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pascal@1121
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79 +
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pascal@1121
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80 /**
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pascal@1121
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81 * Apply DHCP nameserver option
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82 *
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83 @@ -514,16 +527,10 @@
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84 */
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85 static int apply_dhcp_nameserver ( unsigned int tag __unused,
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86 struct dhcp_option *option ) {
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pascal@1121
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87 - struct sockaddr_in *sin_nameserver;
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pascal@1121
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88 -
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89 - sin_nameserver = ( struct sockaddr_in * ) &nameserver;
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90 - sin_nameserver->sin_family = AF_INET;
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91 - dhcp_ipv4_option ( option, &sin_nameserver->sin_addr );
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92 -
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93 - DBG ( "DNS using nameserver %s\n",
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94 - inet_ntoa ( sin_nameserver->sin_addr ) );
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95 + struct in_addr sin_addr;
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96
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97 - return 0;
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98 + dhcp_ipv4_option ( option, &sin_addr );
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99 + return apply_nameserver(sin_addr);
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pascal@1121
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100 }
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101
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pascal@1121
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102 /** DHCP nameserver applicator */
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103
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pascal@1121
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104 --- gpxe-0.9.3/src/usr/autoboot.c
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105 +++ gpxe-0.9.3/src/usr/autoboot.c
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106 @@ -23,6 +23,7 @@
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107 #include <gpxe/dhcp.h>
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pascal@1121
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108 #include <gpxe/image.h>
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pascal@1121
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109 #include <gpxe/embedded.h>
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110 +#include <gpxe/ip.h>
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111 #include <usr/ifmgmt.h>
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pascal@1121
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112 #include <usr/route.h>
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113 #include <usr/dhcpmgmt.h>
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114 @@ -150,16 +151,68 @@
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115 */
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116 static int netboot ( struct net_device *netdev ) {
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117 char buf[256];
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pascal@1121
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118 - int rc;
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119 + int rc, nodhcp;
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120 + char *ip, *gw, *dns, *s;
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121 + extern int apply_nameserver(struct in_addr sin_addr);
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122
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pascal@1121
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123 /* Open device and display device status */
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124 if ( ( rc = ifopen ( netdev ) ) != 0 )
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125 return rc;
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126 ifstat ( netdev );
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127
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128 + ip = gw = dns = NULL;
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129 + nodhcp = 0;
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130 + for (s = forced_url.url; *s && s < forced_url.url + 256;) {
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131 + while (*s == ' ') s++;
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132 + if (!strncmp(s,"ip=",3)) ip = s + 3, *s++ = 0;
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133 + if (!strncmp(s,"gw=",3)) gw = s + 3, *s++ = 0;
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134 + if (!strncmp(s,"dns=",4)) dns = s + 4, *s++ = 0;
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135 + if (!strncmp(s,"nodhcp",5)) nodhcp++, *s++ = 0;
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136 + if (!strncmp(s,"url=",4)) {
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137 + char *p = forced_url.url;
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pascal@1121
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138 + for (s += 4; *s && *s != ' '; *p++ = *s++);
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pascal@1121
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139 + *p = 0;
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pascal@1121
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140 + }
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pascal@1121
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141 + while (*s && *s != ' ') s++;
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pascal@1121
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142 + *s++ = 0;
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pascal@1121
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143 + }
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pascal@1121
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144 +
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pascal@1121
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145 /* Configure device via DHCP */
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pascal@1121
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146 - if ( ( rc = dhcp ( netdev ) ) != 0 )
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147 - return rc;
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pascal@1121
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148 + if (forced_url.url[0]) printf("url=%s\n",forced_url.url);
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pascal@1121
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149 + if ( nodhcp || ( rc = dhcp ( netdev ) ) != 0 ) {
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pascal@1121
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150 +#define IN_CLASSA(x) (( (x).s_addr & 0x80000000) == 0)
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151 +#define IN_CLASSB(x) (( (x).s_addr & 0xc0000000) == 0x80000000)
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pascal@1121
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152 +#define IN_CLASSA_NET 0xff000000
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pascal@1121
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153 +#define IN_CLASSB_NET 0xffff0000
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pascal@1121
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154 +#define IN_CLASSC_NET 0xffffff00
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pascal@1121
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155 +#define IN_CLASSLESS_NET(x) (0xffffffff << (32 - (x)))
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pascal@1121
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156 + struct in_addr address, netmask, gateway, nameserver;
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157 + char *p;
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pascal@1121
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158 +
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159 + if (!ip || !gw || !inet_aton(gw, &gateway))
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pascal@1121
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160 + return rc;
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pascal@1121
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161 + p = strchr(ip,'/');
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pascal@1121
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162 + if (p) *p++ = 0;
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163 + if (!inet_aton(ip, &address))
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164 + return rc;
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pascal@1121
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165 + if (p) {
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pascal@1121
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166 + int n;
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pascal@1121
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167 + for (n = 0; *p >= '0' && *p <= '9';
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pascal@1121
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168 + n *= 10, n += *p++ - 10);
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169 + netmask.s_addr = IN_CLASSLESS_NET(n);
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pascal@1121
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170 + }
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pascal@1121
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171 + else if (IN_CLASSA(address)) netmask.s_addr = IN_CLASSA_NET;
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pascal@1121
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172 + else if (IN_CLASSB(address)) netmask.s_addr = IN_CLASSB_NET;
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pascal@1121
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173 + else netmask.s_addr = IN_CLASSC_NET;
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174 + del_ipv4_address ( netdev );
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175 + if ( ( rc = add_ipv4_address ( netdev, address, netmask,
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176 + gateway ) ) != 0 ) {
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pascal@1121
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177 + return rc;
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pascal@1121
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178 + }
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pascal@1121
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179 + if (dns) printf("dns=%s\n",dns);
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180 + if (dns && inet_aton(dns, &nameserver))
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181 + apply_nameserver(nameserver);
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pascal@1121
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182 + }
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pascal@1121
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183 route();
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184
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pascal@1121
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185 /* Try to boot an embedded image if we have one */
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