| ␉int fh = -1;␊ |
| ␉int len;␊ |
| ␉␊ |
| ␉if(getValueForKey(kMD0ImageKey, &override_filename, &len, &bootInfo->bootConfig))␊ |
| ␉if (getValueForKey(kMD0ImageKey, &override_filename, &len, &bootInfo->bootConfig))␊ |
| ␉{␊ |
| ␉␉// Use user specified md0 file␊ |
| ␉␉sprintf(filename, "%s", override_filename);␊ |
| ␉␉fh = open(filename, 0);␊ |
| ␉␉␊ |
| ␉␉if(fh < 0)␊ |
| ␉␉if (fh < 0)␊ |
| ␉␉{␊ |
| ␉␉␉sprintf(filename, "rd(0,0)/Extra/%s", override_filename);␊ |
| ␉␉␉sprintf(filename, "rd(0,0)/Extra/Postboot.img");␊ |
| ␉␉␉fh = open(filename, 0);␊ |
| ␊ |
| ␉␉␉if(fh < 0)␊ |
| ␉␉␉if (fh < 0)␊ |
| ␉␉␉{␊ |
| ␉␉␉␉sprintf(filename, "/Extra/%s", override_filename);␊ |
| ␉␉␉␉sprintf(filename, "bt(0,0)/Extra/Postboot.img");␉// Check /Extra if not in rd(0,0)␊ |
| ␉␉␉␉fh = open(filename, 0);␊ |
| ␉␉␉}␊ |
| ␉␉}␉␉␊ |
| ␉}␊ |
| ␊ |
| ␉if(fh < 0)␊ |
| ␉{␊ |
| ␉␉sprintf(filename, "rd(0,0)/Extra/Postboot.img");␊ |
| ␉␉fh = open(filename, 0);␊ |
| ␊ |
| ␉␉if(fh < 0)␊ |
| ␉␉{␊ |
| ␉␉␉sprintf(filename, "/Extra/Postboot.img");␉// Check /Extra if not in rd(0,0)␊ |
| ␉␉␉fh = open(filename, 0);␊ |
| ␉␉}␊ |
| ␉}␉␉␊ |
| ␊ |
| ␉if (fh >= 0)␊ |
| ␉{␊ |
| ␉␉verbose("Enabling ramdisk %s\n", filename);␊ |
| ␊ |
| ␉␉ramdiskPtr.size = file_size(fh);␊ |
| ␉␉ramdiskPtr.size = file_size(fh);␊ |
| ␉␉ramdiskPtr.base = AllocateKernelMemory(ramdiskPtr.size);␊ |
| ␊ |
| ␉␉if(ramdiskPtr.size && ramdiskPtr.base)␊ |
| ␉␉if (ramdiskPtr.size && ramdiskPtr.base)␊ |
| ␉␉{␊ |
| ␉␉␉// Read new ramdisk image contents in kernel memory.␊ |
| ␉␉␉if (read(fh, (char*) ramdiskPtr.base, ramdiskPtr.size) == ramdiskPtr.size)␊ |
| ␉␉␉{␊ |
| ␉␉␉␉AllocateMemoryRange("RAMDisk", ramdiskPtr.base, ramdiskPtr.size, kBootDriverTypeInvalid);␊ |
| ␉␉␉␉Node* node = DT__FindNode("/chosen/memory-map", false);␊ |
| ␉␉␉␉if(node != NULL)␊ |
| ␉␉␉␉if (node != NULL)␊ |
| ␉␉␉␉{␊ |
| ␉␉␉␉␉DT__AddProperty(node, "RAMDisk", sizeof(RAMDiskParam), (void*)&ramdiskPtr);␉␉␊ |
| ␉␉␉␉}␊ |
|
| ␉␉}␊ |
| ␊ |
| ␉␉close(fh);␊ |
| ␊ |
| ␉}␊ |
| }␊ |
| ␊ |
|
| int loadPrebootRAMDisk()␊ |
| {␊ |
| ␉mountRAMDisk("bt(0,0)/Extra/Preboot.dmg");␊ |
| ␉// change md0 to be handled with the menu below??␊ |
| ␉␊ |
| ␉if (gRAMDiskMI != NULL)␊ |
| ␉{␊ |
