reactos/boot/freeldr/freeldr/arch/arm/stubs.c

   1 /*
   2  * PROJECT:         ReactOS Boot Loader
   3  * LICENSE:         GPL - See COPYING in the top level directory
   4  * FILE:            boot/freeldr/arch/arm/stubs.c
   5  * PURPOSE:         Non-completed ARM hardware-specific routines
   6  * PROGRAMMERS:     ReactOS Portable Systems Group
   7  */
   8
   9 /* INCLUDES *******************************************************************/
  10
  11 #include <freeldr.h>
  12
  13 /* GLOBALS ********************************************************************/
  14
  15 ULONG PageDirectoryStart, PageDirectoryEnd;
  16
  17 /* FUNCTIONS ******************************************************************/
  18
  19 VOID
  20 FrLdrStartup(IN ULONG Magic)
  21 {
  22     //
  23     // Start the OS
  24     //
  25 }
  26
  27 BOOLEAN
  28 ArmDiskGetDriveGeometry(IN ULONG DriveNumber,
  29                         OUT PGEOMETRY Geometry)
  30 {
  31     ASSERT(gRamDiskBase == NULL);
  32     return FALSE;
  33 }
  34
  35 BOOLEAN
  36 ArmDiskReadLogicalSectors(IN ULONG DriveNumber,
  37                           IN ULONGLONG SectorNumber,
  38                           IN ULONG SectorCount,
  39                           IN PVOID Buffer)
  40 {
  41     ASSERT(gRamDiskBase == NULL);
  42     return FALSE;
  43 }
  44
  45 ULONG
  46 ArmDiskGetCacheableBlockCount(IN ULONG DriveNumber)
  47 {
  48     ASSERT(gRamDiskBase == NULL);
  49     return FALSE;
  50 }
  51
  52 VOID
  53 ArmPrepareForReactOS(IN BOOLEAN Setup)
  54 {
  55     while (TRUE);
  56 }
  57
  58 PCONFIGURATION_COMPONENT_DATA
  59 ArmHwDetect(VOID)
  60 {
  61     PCONFIGURATION_COMPONENT_DATA RootNode;
  62
  63     //
  64     // Create the root node
  65     //
  66     FldrCreateSystemKey(&RootNode);
  67
  68     //
  69     // Write null component information
  70     //
  71     FldrSetComponentInformation(RootNode,
  72                                 0x0,
  73                                 0x0,
  74                                 0xFFFFFFFF);
  75
  76     //
  77     // TODO:
  78     // There's no such thing as "PnP" on embedded hardware.
  79     // The boot loader will send us a device tree, similar to ACPI
  80     // or OpenFirmware device trees, and we will convert it to ARC.
  81     //
  82
  83     //
  84     // Return the root node
  85     //
  86     return RootNode;
  87 }
  88
  89 ULONG
  90 ArmMemGetMemoryMap(OUT PBIOS_MEMORY_MAP BiosMemoryMap,
  91                    IN ULONG MaxMemoryMapSize)
  92 {
  93     //
  94     // Return whatever the board returned to us (CS0 Base + Size and FLASH0)
  95     //
  96     RtlCopyMemory(BiosMemoryMap,
  97                   ArmBoardBlock->MemoryMap,
  98                   ArmBoardBlock->MemoryMapEntryCount * sizeof(BIOS_MEMORY_MAP));
  99     return ArmBoardBlock->MemoryMapEntryCount;
 100 }
 101
 102 VOID
 103 MachInit(IN PCCH CommandLine)
 104 {
 105     //
 106     // Setup board-specific ARM routines
 107     //
 108     switch (ArmBoardBlock->BoardType)
 109     {
 110         //
 111         // Check for Feroceon-base boards
 112         //
 113         case ARM_FEROCEON:
 114
 115             //
 116             // These boards use a UART16550. Set us up for 115200 bps
 117             //
 118             ArmFeroSerialInit(115200);
 119             MachVtbl.ConsPutChar = ArmFeroPutChar;
 120             MachVtbl.ConsKbHit = ArmFeroKbHit;
 121             MachVtbl.ConsGetCh = ArmFeroGetCh;
 122             break;
 123
 124         default:
 125             ASSERT(FALSE);
 126     }
 127
 128     //
 129     // Setup generic ARM routines for all boards
 130     //
 131     MachVtbl.PrepareForReactOS = ArmPrepareForReactOS;
 132     MachVtbl.GetMemoryMap = ArmMemGetMemoryMap;
 133     MachVtbl.HwDetect = ArmHwDetect;
 134
 135     //
 136     // Setup disk I/O routines, switch to ramdisk ones for non-NAND boot
 137     //
 138     MachVtbl.DiskReadLogicalSectors = ArmDiskReadLogicalSectors;
 139     MachVtbl.DiskGetDriveGeometry = ArmDiskGetDriveGeometry;
 140     MachVtbl.DiskGetCacheableBlockCount = ArmDiskGetCacheableBlockCount;
 141     RamDiskSwitchFromBios();
 142
 143     //
 144     // Now set default disk handling routines -- we don't need to override
 145     //
 146     MachVtbl.DiskGetBootVolume = DiskGetBootVolume;
 147     MachVtbl.DiskGetSystemVolume = DiskGetSystemVolume;
 148     MachVtbl.DiskGetBootPath = DiskGetBootPath;
 149     MachVtbl.DiskGetBootDevice = DiskGetBootDevice;
 150     MachVtbl.DiskBootingFromFloppy = DiskBootingFromFloppy;
 151     MachVtbl.DiskNormalizeSystemPath = DiskNormalizeSystemPath;
 152     MachVtbl.DiskGetPartitionEntry = DiskGetPartitionEntry;
 153
 154     //
 155     // We can now print to the console
 156     //
 157     TuiPrintf("%s for ARM\n", GetFreeLoaderVersionString());
 158     TuiPrintf("Bootargs: %s\n", CommandLine);
 159 }