1 /* 2 * Copyright 2003-2006, Axel Dörfler, axeld@pinc-software.de. 3 * Copyright 2010, Andreas Färber <andreas.faerber@web.de> 4 * All rights reserved. Distributed under the terms of the MIT License. 5 */ 6 7 8 #include <string.h> 9 10 #include <boot/partitions.h> 11 #include <boot/platform.h> 12 #include <boot/vfs.h> 13 #include <boot/stdio.h> 14 #include <boot/stage2.h> 15 #include <boot/net/IP.h> 16 #include <boot/net/NetStack.h> 17 #include <boot/net/RemoteDisk.h> 18 #include <platform/openfirmware/devices.h> 19 #include <platform/openfirmware/openfirmware.h> 20 #include <util/kernel_cpp.h> 21 22 #include "Handle.h" 23 #include "machine.h" 24 25 26 #define ENABLE_ISCSI 27 28 29 char sBootPath[192]; 30 31 32 status_t 33 platform_add_boot_device(struct stage2_args *args, NodeList *devicesList) 34 { 35 // print out the boot path (to be removed later?) 36 37 int length = of_getprop(gChosen, "bootpath", sBootPath, sizeof(sBootPath)); 38 if (length <= 1) 39 return B_ENTRY_NOT_FOUND; 40 printf("boot path = \"%s\"\n", sBootPath); 41 42 int node = of_finddevice(sBootPath); 43 if (node != OF_FAILED) { 44 char type[16]; 45 of_getprop(node, "device_type", type, sizeof(type)); 46 printf("boot type = %s\n", type); 47 48 // If the boot device is a network device, we try to find a 49 // "remote disk" at this point. 50 if (strcmp(type, "network") == 0) { 51 // init the net stack 52 status_t error = net_stack_init(); 53 if (error != B_OK) 54 return error; 55 56 ip_addr_t bootAddress = 0; 57 char* bootArgs = strrchr(sBootPath, ':'); 58 if (bootArgs != NULL) { 59 bootArgs++; 60 char* comma = strchr(bootArgs, ','); 61 if (comma != NULL && comma - bootArgs > 0) { 62 comma[0] = '\0'; 63 bootAddress = ip_parse_address(bootArgs); 64 comma[0] = ','; 65 } 66 } 67 if (bootAddress == 0) { 68 int package = of_finddevice("/options"); 69 char defaultServerIP[16]; 70 int bytesRead = of_getprop(package, "default-server-ip", 71 defaultServerIP, sizeof(defaultServerIP) - 1); 72 if (bytesRead != OF_FAILED && bytesRead > 1) { 73 defaultServerIP[bytesRead] = '\0'; 74 bootAddress = ip_parse_address(defaultServerIP); 75 } 76 } 77 78 // init a native remote disk, if possible 79 RemoteDisk *remoteDisk = RemoteDisk::FindAnyRemoteDisk(); 80 if (remoteDisk != NULL) { 81 devicesList->Add(remoteDisk); 82 return B_OK; 83 } 84 85 return B_ENTRY_NOT_FOUND; 86 } 87 88 if (strcmp("block", type) != 0) { 89 printf("boot device is not a block device!\n"); 90 return B_ENTRY_NOT_FOUND; 91 } 92 } else 93 printf("could not open boot path.\n"); 94 95 /* char name[256]; 96 strcpy(name, sBootPath); 97 strcat(name, ":kernel_ppc"); 98 int kernel = of_open(name); 99 if (kernel == OF_FAILED) { 100 puts("open kernel failed"); 101 } else 102 puts("open kernel succeeded"); 103 */ 104 int handle = of_open(sBootPath); 105 if (handle == OF_FAILED) { 106 puts("\t\t(open failed)"); 107 return B_ERROR; 108 } 109 110 Handle *device = new(nothrow) Handle(handle); 111 if (device == NULL) 112 return B_NO_MEMORY; 113 114 devicesList->Add(device); 115 return B_OK; 116 } 117 118 119 status_t 120 platform_get_boot_partitions(struct stage2_args *args, Node *device, 121 NodeList *list, NodeList *partitionList) 122 { 123 NodeIterator iterator = list->GetIterator(); 124 boot::Partition *partition = NULL; 125 while ((partition = (boot::Partition *)iterator.Next()) != NULL) { 126 // ToDo: just take the first partition for now 127 partitionList->Insert(partition); 128 return B_OK; 129 } 130 131 return B_ENTRY_NOT_FOUND; 132 } 133 134 135 #define DUMPED_BLOCK_SIZE 16 136 137 void 138 dumpBlock(const char *buffer, int size, const char *prefix) 139 { 140 int i; 141 142 for (i = 0; i < size;) { 143 int start = i; 144 145 printf(prefix); 146 for (; i < start+DUMPED_BLOCK_SIZE; i++) { 147 if (!(i % 4)) 148 printf(" "); 149 150 if (i >= size) 151 printf(" "); 152 else 153 printf("%02x", *(unsigned char *)(buffer + i)); 154 } 155 printf(" "); 156 157 for (i = start; i < start + DUMPED_BLOCK_SIZE; i++) { 158 if (i < size) { 159 char c = buffer[i]; 160 161 if (c < 30) 162 printf("."); 163 else 164 printf("%c", c); 165 } else 166 break; 167 } 168 printf("\n"); 169 } 170 } 171 172 173 status_t 174 platform_add_block_devices(stage2_args *args, NodeList *devicesList) 175 { 176 // add all block devices to the list of possible boot devices 177 178 int cookie = 0; 179 char path[256]; 180 status_t status; 181 while ((status = of_get_next_device(&cookie, 0, "block", path, 182 sizeof(path))) == B_OK) { 183 if (!strcmp(path, sBootPath)) { 184 // don't add the boot device twice 185 continue; 186 } 187 188 // Adjust the arguments passed to the open command so that 189 // the disk-label package is by-passed - unfortunately, 190 // this is implementation specific (and I found no docs 191 // for the Apple OF disk-label usage, of course) 192 193 // SUN's OpenBoot: 194 //strcpy(path + strlen(path), ":nolabel"); 195 // Apple: 196 if (gMachine & MACHINE_MAC) 197 strcpy(path + strlen(path), ":0"); 198 199 printf("\t%s\n", path); 200 201 int handle = of_open(path); 202 if (handle == OF_FAILED) { 203 puts("\t\t(failed)"); 204 continue; 205 } 206 207 Handle *device = new(nothrow) Handle(handle); 208 printf("\t\t(could open device, handle = %p, node = %p)\n", 209 (void *)handle, device); 210 211 devicesList->Add(device); 212 } 213 printf("\t(loop ended with %ld)\n", status); 214 215 return B_OK; 216 } 217 218 219 status_t 220 platform_register_boot_device(Node *device) 221 { 222 disk_identifier disk; 223 224 disk.bus_type = UNKNOWN_BUS; 225 disk.device_type = UNKNOWN_DEVICE; 226 disk.device.unknown.size = device->Size(); 227 228 gBootVolume.SetData(BOOT_VOLUME_DISK_IDENTIFIER, B_RAW_TYPE, &disk, 229 sizeof(disk_identifier)); 230 231 return B_OK; 232 } 233 234