boot/freeldr/freeldr/arch/i386/machxbox.c

   1 /*
   2  *  FreeLoader
   3  *
   4  *  This program is free software; you can redistribute it and/or modify
   5  *  it under the terms of the GNU General Public License as published by
   6  *  the Free Software Foundation; either version 2 of the License, or
   7  *  (at your option) any later version.
   8  *
   9  *  This program is distributed in the hope that it will be useful,
  10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *  GNU General Public License for more details.
  13  *
  14  *  You should have received a copy of the GNU General Public License along
  15  *  with this program; if not, write to the Free Software Foundation, Inc.,
  16  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 #include <freeldr.h>
  20
  21 #include <debug.h>
  22
  23 DBG_DEFAULT_CHANNEL(HWDETECT);
  24
  25
  26 // NOTE: Similar to machpc.c!PcGetHarddiskConfigurationData(),
  27 // but without extended geometry support.
  28 static
  29 PCM_PARTIAL_RESOURCE_LIST
  30 XboxGetHarddiskConfigurationData(UCHAR DriveNumber, ULONG* pSize)
  31 {
  32     PCM_PARTIAL_RESOURCE_LIST PartialResourceList;
  33     PCM_DISK_GEOMETRY_DEVICE_DATA DiskGeometry;
  34     //EXTENDED_GEOMETRY ExtGeometry;
  35     GEOMETRY Geometry;
  36     ULONG Size;
  37
  38     //
  39     // Initialize returned size
  40     //
  41     *pSize = 0;
  42
  43     /* Set 'Configuration Data' value */
  44     Size = sizeof(CM_PARTIAL_RESOURCE_LIST) +
  45            sizeof(CM_DISK_GEOMETRY_DEVICE_DATA);
  46     PartialResourceList = FrLdrHeapAlloc(Size, TAG_HW_RESOURCE_LIST);
  47     if (PartialResourceList == NULL)
  48     {
  49         ERR("Failed to allocate a full resource descriptor\n");
  50         return NULL;
  51     }
  52
  53     memset(PartialResourceList, 0, Size);
  54     PartialResourceList->Version = 1;
  55     PartialResourceList->Revision = 1;
  56     PartialResourceList->Count = 1;
  57     PartialResourceList->PartialDescriptors[0].Type =
  58         CmResourceTypeDeviceSpecific;
  59 //  PartialResourceList->PartialDescriptors[0].ShareDisposition =
  60 //  PartialResourceList->PartialDescriptors[0].Flags =
  61     PartialResourceList->PartialDescriptors[0].u.DeviceSpecificData.DataSize =
  62         sizeof(CM_DISK_GEOMETRY_DEVICE_DATA);
  63
  64     /* Get pointer to geometry data */
  65     DiskGeometry = (PVOID)(((ULONG_PTR)PartialResourceList) + sizeof(CM_PARTIAL_RESOURCE_LIST));
  66
  67     /* Get the disk geometry */
  68     //ExtGeometry.Size = sizeof(EXTENDED_GEOMETRY);
  69
  70     if (MachDiskGetDriveGeometry(DriveNumber, &Geometry))
  71     {
  72         DiskGeometry->BytesPerSector = Geometry.BytesPerSector;
  73         DiskGeometry->NumberOfCylinders = Geometry.Cylinders;
  74         DiskGeometry->SectorsPerTrack = Geometry.Sectors;
  75         DiskGeometry->NumberOfHeads = Geometry.Heads;
  76     }
  77     else
  78     {
  79         ERR("Reading disk geometry failed\n");
  80         FrLdrHeapFree(PartialResourceList, TAG_HW_RESOURCE_LIST);
  81         return NULL;
  82     }
  83     TRACE("Disk %x: %u Cylinders  %u Heads  %u Sectors  %u Bytes\n",
  84           DriveNumber,
  85           DiskGeometry->NumberOfCylinders,
  86           DiskGeometry->NumberOfHeads,
  87           DiskGeometry->SectorsPerTrack,
  88           DiskGeometry->BytesPerSector);
  89
  90     //
  91     // Return configuration data
  92     //
  93     *pSize = Size;
  94     return PartialResourceList;
  95 }
  96
  97 static
  98 VOID
  99 DetectIsaBios(PCONFIGURATION_COMPONENT_DATA SystemKey, ULONG *BusNumber)
 100 {
 101     PCM_PARTIAL_RESOURCE_LIST PartialResourceList;
 102     PCONFIGURATION_COMPONENT_DATA BusKey;
 103     ULONG Size;
 104
 105     /* Set 'Configuration Data' value */
 106     Size = sizeof(CM_PARTIAL_RESOURCE_LIST) -
 107            sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR);
 108     PartialResourceList = FrLdrHeapAlloc(Size, TAG_HW_RESOURCE_LIST);
 109     if (PartialResourceList == NULL)
 110     {
 111         TRACE("Failed to allocate resource descriptor\n");
 112         return;
 113     }
 114
 115     /* Initialize resource descriptor */
 116     memset(PartialResourceList, 0, Size);
 117     PartialResourceList->Version = 1;
 118     PartialResourceList->Revision = 1;
 119     PartialResourceList->Count = 0;
 120
 121     /* Create new bus key */
 122     FldrCreateComponentKey(SystemKey,
 123                            AdapterClass,
 124                            MultiFunctionAdapter,
 125                            0x0,
 126                            0x0,
 127                            0xFFFFFFFF,
 128                            "ISA",
 129                            PartialResourceList,
 130                            Size,
 131                            &BusKey);
 132
 133     /* Increment bus number */
 134     (*BusNumber)++;
 135
 136     /* Detect ISA/BIOS devices */
 137     DetectBiosDisks(SystemKey, BusKey);
 138
 139     /* FIXME: Detect more ISA devices */
 140 }
 141
 142 PCONFIGURATION_COMPONENT_DATA
 143 XboxHwDetect(VOID)
 144 {
 145     PCONFIGURATION_COMPONENT_DATA SystemKey;
 146     ULONG BusNumber = 0;
 147
 148     TRACE("DetectHardware()\n");
 149
 150     /* Create the 'System' key */
 151     FldrCreateSystemKey(&SystemKey);
 152
 153     GetHarddiskConfigurationData = XboxGetHarddiskConfigurationData;
 154
 155     /* TODO: Build actual xbox's hardware configuration tree */
 156     DetectIsaBios(SystemKey, &BusNumber);
 157
 158     TRACE("DetectHardware() Done\n");
 159     return SystemKey;
 160 }
 161
 162 VOID XboxHwIdle(VOID)
 163 {
 164     /* UNIMPLEMENTED */
 165 }
 166
 167
 168 /******************************************************************************/
 169
 170 VOID
 171 XboxMachInit(const char *CmdLine)
 172 {
 173     /* Set LEDs to red before anything is initialized */
 174     XboxSetLED("rrrr");
 175
 176     /* Initialize our stuff */
 177     XboxMemInit();
 178     XboxVideoInit();
 179
 180     /* Setup vtbl */
 181     MachVtbl.ConsPutChar = XboxConsPutChar;
 182     MachVtbl.ConsKbHit = XboxConsKbHit;
 183     MachVtbl.ConsGetCh = XboxConsGetCh;
 184     MachVtbl.VideoClearScreen = XboxVideoClearScreen;
 185     MachVtbl.VideoSetDisplayMode = XboxVideoSetDisplayMode;
 186     MachVtbl.VideoGetDisplaySize = XboxVideoGetDisplaySize;
 187     MachVtbl.VideoGetBufferSize = XboxVideoGetBufferSize;
 188     MachVtbl.VideoHideShowTextCursor = XboxVideoHideShowTextCursor;
 189     MachVtbl.VideoPutChar = XboxVideoPutChar;
 190     MachVtbl.VideoCopyOffScreenBufferToVRAM = XboxVideoCopyOffScreenBufferToVRAM;
 191     MachVtbl.VideoIsPaletteFixed = XboxVideoIsPaletteFixed;
 192     MachVtbl.VideoSetPaletteColor = XboxVideoSetPaletteColor;
 193     MachVtbl.VideoGetPaletteColor = XboxVideoGetPaletteColor;
 194     MachVtbl.VideoSync = XboxVideoSync;
 195     MachVtbl.Beep = PcBeep;
 196     MachVtbl.PrepareForReactOS = XboxPrepareForReactOS;
 197     MachVtbl.GetMemoryMap = XboxMemGetMemoryMap;
 198     MachVtbl.DiskGetBootPath = DiskGetBootPath;
 199     MachVtbl.DiskReadLogicalSectors = XboxDiskReadLogicalSectors;
 200     MachVtbl.DiskGetDriveGeometry = XboxDiskGetDriveGeometry;
 201     MachVtbl.DiskGetCacheableBlockCount = XboxDiskGetCacheableBlockCount;
 202     MachVtbl.GetTime = XboxGetTime;
 203     MachVtbl.InitializeBootDevices = PcInitializeBootDevices;
 204     MachVtbl.HwDetect = XboxHwDetect;
 205     MachVtbl.HwIdle = XboxHwIdle;
 206
 207     DiskGetPartitionEntry = XboxDiskGetPartitionEntry;
 208
 209     /* Set LEDs to orange after init */
 210     XboxSetLED("oooo");
 211 }
 212
 213 VOID
 214 XboxPrepareForReactOS(VOID)
 215 {
 216     /* On XBOX, prepare video and turn off the floppy motor */
 217     XboxVideoPrepareForReactOS();
 218     DiskStopFloppyMotor();
 219 }
 220
 221 /* EOF */