//
// Should go to hwdev.c
//
POSLOADER_INIT
NTAPI
LlbHwLoadOsLoaderFromRam(VOID)
{
ULONG Base, RootFs, Size;
PCHAR Offset;
CHAR CommandLine[64];
/* On versatile we load the RAMDISK with initrd */
LlbEnvGetRamDiskInformation(&RootFs, &Size);
DbgPrint("Root fs: %lx, size: %lx\n", RootFs, Size);
/* The OS Loader is at 0x20000, always */
Base = 0x20000;
/* Read image offset */
Offset = LlbEnvRead("rdoffset");
/* Set parameters for the OS loader */
snprintf(CommandLine,
sizeof(CommandLine),
"rdbase=0x%x rdsize=0x%x rdoffset=%s",
RootFs, Size, Offset);
LlbSetCommandLine(CommandLine);
/* Return the OS loader base address */
return (POSLOADER_INIT)Base;
}
VOID
NTAPI
LlbHwBuildMemoryMap(IN PBIOS_MEMORY_MAP MemoryMap)
{
PBIOS_MEMORY_MAP MapEntry;
ULONG Base, Size, FsBase, FsSize;
/* Parse hardware memory map */
MapEntry = LlbHwVersaMemoryMap;
while (MapEntry->Length)
{
/* Add this entry */
LlbAllocateMemoryEntry(MapEntry->Type, MapEntry->BaseAddress, MapEntry->Length);
/* Move to the next one */
MapEntry++;
}
/* Query memory and RAMDISK information */
LlbEnvGetMemoryInformation(&Base, &Size);
LlbEnvGetRamDiskInformation(&FsBase, &FsSize);
/* Add-in the size of the ramdisk */
Base = FsBase + FsSize;
/* Subtract size of ramdisk and anything else before it */
Size -= Base;
/* Allocate an entry for it */
LlbAllocateMemoryEntry(BiosMemoryUsable, Base, Size);
}
