/* INCLUDES *******************************************************************/
#include <freeldr.h>
+#include <internal/arm/intrin_i.h>
/* GLOBALS ********************************************************************/
PARM_BOARD_CONFIGURATION_BLOCK ArmBoardBlock;
-ULONG BootDrive, BootPartition;
-VOID ArmPrepareForReactOS(IN BOOLEAN Setup);
-ADDRESS_RANGE ArmBoardMemoryMap[16];
-ULONG ArmBoardMemoryMapRangeCount;
+ULONG gDiskReadBuffer, gFileSysBuffer;
+BOOLEAN ArmHwDetectRan;
+PCONFIGURATION_COMPONENT_DATA RootNode;
+
+ULONG FirstLevelDcacheSize;
+ULONG FirstLevelDcacheFillSize;
+ULONG FirstLevelIcacheSize;
+ULONG FirstLevelIcacheFillSize;
+ULONG SecondLevelDcacheSize;
+ULONG SecondLevelDcacheFillSize;
+ULONG SecondLevelIcacheSize;
+ULONG SecondLevelIcacheFillSize;
+
+ARC_DISK_SIGNATURE reactos_arc_disk_info;
+ULONG reactos_disk_count;
+CHAR reactos_arc_hardware_data[256];
+
+ULONG SizeBits[] =
+{
+ -1, // INVALID
+ -1, // INVALID
+ 1 << 12, // 4KB
+ 1 << 13, // 8KB
+ 1 << 14, // 16KB
+ 1 << 15, // 32KB
+ 1 << 16, // 64KB
+ 1 << 17 // 128KB
+};
+
+ULONG AssocBits[] =
+{
+ -1, // INVALID
+ -1, // INVALID
+ 4 // 4-way associative
+};
+
+ULONG LenBits[] =
+{
+ -1, // INVALID
+ -1, // INVALID
+ 8 // 8 words per line (32 bytes)
+};
/* FUNCTIONS ******************************************************************/
VOID
ArmInit(IN PARM_BOARD_CONFIGURATION_BLOCK BootContext)
{
- ULONG i;
-
- //
- // Remember the pointer
- //
+ /* Remember the pointer */
ArmBoardBlock = BootContext;
- //
- // Let's make sure we understand the boot-loader
- //
+ /* Let's make sure we understand the LLB */
ASSERT(ArmBoardBlock->MajorVersion == ARM_BOARD_CONFIGURATION_MAJOR_VERSION);
ASSERT(ArmBoardBlock->MinorVersion == ARM_BOARD_CONFIGURATION_MINOR_VERSION);
- //
- // This should probably go away once we support more boards
- //
+ /* This should probably go away once we support more boards */
ASSERT((ArmBoardBlock->BoardType == MACH_TYPE_FEROCEON) ||
- (ArmBoardBlock->BoardType == MACH_TYPE_VERSATILE_PB));
-
- //
- // Save data required for memory initialization
- //
- ArmBoardMemoryMapRangeCount = ArmBoardBlock->MemoryMapEntryCount;
- ASSERT(ArmBoardMemoryMapRangeCount != 0);
- ASSERT(ArmBoardMemoryMapRangeCount < 16);
- for (i = 0; i < ArmBoardMemoryMapRangeCount; i++)
- {
- //
- // Copy each entry
- //
- RtlCopyMemory(&ArmBoardMemoryMap[i],
- &ArmBoardBlock->MemoryMap[i],
- sizeof(ADDRESS_RANGE));
- }
+ (ArmBoardBlock->BoardType == MACH_TYPE_VERSATILE_PB) ||
+ (ArmBoardBlock->BoardType == MACH_TYPE_OMAP3_BEAGLE));
- //
- // Call FreeLDR's portable entrypoint with our command-line
- //
+ /* Call FreeLDR's portable entrypoint with our command-line */
BootMain(ArmBoardBlock->CommandLine);
}
-BOOLEAN
-ArmDiskGetDriveGeometry(IN ULONG DriveNumber,
- OUT PGEOMETRY Geometry)
+VOID
+ArmPrepareForReactOS(IN BOOLEAN Setup)
{
- ASSERT(gRamDiskBase == NULL);
- return FALSE;
+ return;
}
BOOLEAN
-ArmDiskReadLogicalSectors(IN ULONG DriveNumber,
- IN ULONGLONG SectorNumber,
- IN ULONG SectorCount,
- IN PVOID Buffer)
+ArmDiskGetBootPath(OUT PCHAR BootPath,
+ IN unsigned Size)
{
- ASSERT(gRamDiskBase == NULL);
- return FALSE;
-}
-
-ULONG
-ArmDiskGetCacheableBlockCount(IN ULONG DriveNumber)
-{
- ASSERT(gRamDiskBase == NULL);
- return FALSE;
+ PCCH Path = "ramdisk(0)";
+
+ /* Make sure enough space exists */
+ if (Size < sizeof(Path)) return FALSE;
+
+ /* On ARM platforms, the loader is always in RAM */
+ strcpy(BootPath, Path);
+ return TRUE;
}
PCONFIGURATION_COMPONENT_DATA
ArmHwDetect(VOID)
{
- PCONFIGURATION_COMPONENT_DATA RootNode;
+ ARM_CACHE_REGISTER CacheReg;
- //
- // Create the root node
- //
+ /* Create the root node */
+ if (ArmHwDetectRan++) return RootNode;
FldrCreateSystemKey(&RootNode);
- //
- // Write null component information
- //
- FldrSetComponentInformation(RootNode,
- 0x0,
- 0x0,
- 0xFFFFFFFF);
+ /*
+ * TODO:
+ * There's no such thing as "PnP" on embedded hardware.
+ * The boot loader will send us a device tree, similar to ACPI
+ * or OpenFirmware device trees, and we will convert it to ARC.
+ */
- //
- // TODO:
- // There's no such thing as "PnP" on embedded hardware.
- // The boot loader will send us a device tree, similar to ACPI
- // or OpenFirmware device trees, and we will convert it to ARC.
- //
+ /* Get cache information */
+ CacheReg = KeArmCacheRegisterGet();
+ FirstLevelDcacheSize = SizeBits[CacheReg.DSize];
+ FirstLevelDcacheFillSize = LenBits[CacheReg.DLength];
+ FirstLevelDcacheFillSize <<= 2;
+ FirstLevelIcacheSize = SizeBits[CacheReg.ISize];
+ FirstLevelIcacheFillSize = LenBits[CacheReg.ILength];
+ FirstLevelIcacheFillSize <<= 2;
+ SecondLevelDcacheSize =
+ SecondLevelDcacheFillSize =
+ SecondLevelIcacheSize =
+ SecondLevelIcacheFillSize = 0;
- //
- // Return the root node
- //
+ /* Register RAMDISK Device */
+ RamDiskInitialize();
+
+ /* Fill out the ARC disk block */
+ reactos_arc_disk_info.Signature = 0xBADAB00F;
+ reactos_arc_disk_info.CheckSum = 0xDEADBABE;
+ reactos_arc_disk_info.ArcName = "ramdisk(0)";
+ reactos_disk_count = 1;
+
+ /* Return the root node */
return RootNode;
}
ArmMemGetMemoryMap(OUT PBIOS_MEMORY_MAP BiosMemoryMap,
IN ULONG MaxMemoryMapSize)
{
- //
- // Return whatever the board returned to us (CS0 Base + Size and FLASH0)
- //
- RtlCopyMemory(BiosMemoryMap,
- ArmBoardBlock->MemoryMap,
- ArmBoardBlock->MemoryMapEntryCount * sizeof(BIOS_MEMORY_MAP));
+ /* Return whatever the board returned to us (CS0 Base + Size and FLASH0) */
+ memcpy(BiosMemoryMap,
+ ArmBoardBlock->MemoryMap,
+ ArmBoardBlock->MemoryMapEntryCount * sizeof(BIOS_MEMORY_MAP));
return ArmBoardBlock->MemoryMapEntryCount;
}
VOID
MachInit(IN PCCH CommandLine)
{
- //
- // Setup board-specific ARM routines
- //
+ /* Setup board-specific ARM routines */
switch (ArmBoardBlock->BoardType)
{
- //
- // Check for Feroceon-base boards
- //
+ /* Check for Feroceon-base boards */
case MACH_TYPE_FEROCEON:
-
- //
- // These boards use a UART16550. Set us up for 115200 bps
- //
- ArmFeroSerialInit(115200);
- MachVtbl.ConsPutChar = ArmFeroPutChar;
- MachVtbl.ConsKbHit = ArmFeroKbHit;
- MachVtbl.ConsGetCh = ArmFeroGetCh;
+ TuiPrintf("Not implemented\n");
+ while (TRUE);
break;
- //
- // Check for ARM Versatile PB boards
- //
+ /* Check for ARM Versatile PB boards */
case MACH_TYPE_VERSATILE_PB:
- //
- // These boards use a PrimeCell UART (PL011)
- //
- ArmVersaSerialInit(115200);
- MachVtbl.ConsPutChar = ArmVersaPutChar;
- MachVtbl.ConsKbHit = ArmVersaKbHit;
- MachVtbl.ConsGetCh = ArmVersaGetCh;
+ /* Copy Machine Routines from Firmware Table */
+ MachVtbl.ConsPutChar = ArmBoardBlock->ConsPutChar;
+ MachVtbl.ConsKbHit = ArmBoardBlock->ConsKbHit;
+ MachVtbl.ConsGetCh = ArmBoardBlock->ConsGetCh;
+ MachVtbl.VideoClearScreen = ArmBoardBlock->VideoClearScreen;
+ MachVtbl.VideoSetDisplayMode = ArmBoardBlock->VideoSetDisplayMode;
+ MachVtbl.VideoGetDisplaySize = ArmBoardBlock->VideoGetDisplaySize;
+ MachVtbl.VideoPutChar = ArmBoardBlock->VideoPutChar;
+ MachVtbl.GetTime = ArmBoardBlock->GetTime;
+
+ /* Setup the disk and file system buffers */
+ gDiskReadBuffer = 0x00090000;
+ gFileSysBuffer = 0x00090000;
+ break;
+
+ /*
+ * Check for TI OMAP3 boards
+ * For now that means only Beagle, but ZOOM and others should be ok too
+ */
+ case MACH_TYPE_OMAP3_BEAGLE:
+ TuiPrintf("Not implemented\n");
+ while (TRUE);
break;
default:
ASSERT(FALSE);
}
-
- //
- // Setup generic ARM routines for all boards
- //
+
+ /* Setup generic ARM routines for all boards */
MachVtbl.PrepareForReactOS = ArmPrepareForReactOS;
MachVtbl.GetMemoryMap = ArmMemGetMemoryMap;
MachVtbl.HwDetect = ArmHwDetect;
-
- //
- // Setup disk I/O routines, switch to ramdisk ones for non-NAND boot
- //
- MachVtbl.DiskReadLogicalSectors = ArmDiskReadLogicalSectors;
- MachVtbl.DiskGetDriveGeometry = ArmDiskGetDriveGeometry;
- MachVtbl.DiskGetCacheableBlockCount = ArmDiskGetCacheableBlockCount;
- RamDiskSwitchFromBios();
-
- //
- // Now set default disk handling routines -- we don't need to override
- //
- MachVtbl.DiskGetBootVolume = DiskGetBootVolume;
- MachVtbl.DiskGetSystemVolume = DiskGetSystemVolume;
- MachVtbl.DiskGetBootPath = DiskGetBootPath;
- MachVtbl.DiskGetBootDevice = DiskGetBootDevice;
- MachVtbl.DiskBootingFromFloppy = DiskBootingFromFloppy;
- MachVtbl.DiskNormalizeSystemPath = DiskNormalizeSystemPath;
- MachVtbl.DiskGetPartitionEntry = DiskGetPartitionEntry;
-
- //
- // We can now print to the console
- //
- TuiPrintf("%s for ARM\n", GetFreeLoaderVersionString());
- TuiPrintf("Bootargs: %s\n", CommandLine);
+ MachVtbl.DiskGetBootPath = ArmDiskGetBootPath;
}
projects / reactos.git / blobdiff