*/
#include <freeldr.h>
-
-#define NDEBUG
#include <debug.h>
+extern ULONG PageDirectoryStart;
+extern ULONG PageDirectoryEnd;
+
ROS_LOADER_PARAMETER_BLOCK LoaderBlock;
char reactos_kernel_cmdline[255]; // Command line passed to kernel
LOADER_MODULE reactos_modules[64]; // Array to hold boot module info loaded for the kernel
char reactos_module_strings[64][256]; // Array to hold module names
-unsigned long reactos_memory_map_descriptor_size;
-memory_map_t reactos_memory_map[32]; // Memory map
+// Make this a single struct to guarantee that these elements are nearby in
+// memory.
+reactos_mem_data_t reactos_mem_data;
ARC_DISK_SIGNATURE reactos_arc_disk_info[32]; // ARC Disk Information
char reactos_arc_strings[32][256];
unsigned long reactos_disk_count = 0;
+char reactos_arc_hardware_data[HW_MAX_ARC_HEAP_SIZE] = {0};
+
CHAR szHalName[255];
CHAR szBootPath[255];
+CHAR SystemRoot[255];
static CHAR szLoadingMsg[] = "Loading ReactOS...";
BOOLEAN FrLdrBootType;
+ULONG_PTR KernelBase;
+ROS_KERNEL_ENTRY_POINT KernelEntryPoint;
-static BOOLEAN
-NTAPI
-FrLdrLoadKernel(PCHAR szFileName,
+BOOLEAN
+FrLdrLoadDriver(PCHAR szFileName,
INT nPos)
{
PFILE FilePointer;
- PCHAR szShortName;
- CHAR szBuffer[256];
+ CHAR value[256], *FinalSlash;
+ LPSTR p;
- /* Extract Kernel filename without path */
- szShortName = strrchr(szFileName, '\\');
- if (szShortName == NULL) {
+ if (!_stricmp(szFileName, "hal.dll"))
+ {
+ /* Use the boot.ini name instead */
+ szFileName = szHalName;
+ }
- /* No path, leave it alone */
- szShortName = szFileName;
+ FinalSlash = strrchr(szFileName, '\\');
+ if(FinalSlash)
+ szFileName = FinalSlash + 1;
- } else {
+ /* Open the Driver */
+ FilePointer = FsOpenFile(szFileName);
- /* Skip the path */
- szShortName = szShortName + 1;
+ /* Try under the system root in the main dir and drivers */
+ if (FilePointer == NULL)
+ {
+ strcpy(value, SystemRoot);
+ if(value[strlen(value)-1] != '\\')
+ strcat(value, "\\");
+ strcat(value, szFileName);
+ FilePointer = FsOpenFile(value);
}
- /* Open the Kernel */
- FilePointer = FsOpenFile(szFileName);
+ if (FilePointer == NULL)
+ {
+ strcpy(value, SystemRoot);
+ if(value[strlen(value)-1] != '\\')
+ strcat(value, "\\");
+ strcat(value, "SYSTEM32\\");
+ strcat(value, szFileName);
+ FilePointer = FsOpenFile(value);
+ }
- /* Make sure it worked */
+ if (FilePointer == NULL)
+ {
+ strcpy(value, SystemRoot);
+ if(value[strlen(value)-1] != '\\')
+ strcat(value, "\\");
+ strcat(value, "SYSTEM32\\DRIVERS\\");
+ strcat(value, szFileName);
+ FilePointer = FsOpenFile(value);
+ }
+
+ /* Make sure we did */
if (FilePointer == NULL) {
- /* Return failure on the short name */
- strcpy(szBuffer, szShortName);
- strcat(szBuffer, " not found.");
- UiMessageBox(szBuffer);
+ /* Fail if file wasn't opened */
+ strcpy(value, szFileName);
+ strcat(value, " not found.");
return(FALSE);
}
/* Update the status bar with the current file */
- strcpy(szBuffer, "Reading ");
- strcat(szBuffer, szShortName);
- UiDrawStatusText(szBuffer);
+ strcpy(value, "Reading ");
+ p = strrchr(szFileName, '\\');
+ if (p == NULL) {
- /* Do the actual loading */
- FrLdrMapKernel(FilePointer);
+ strcat(value, szFileName);
- /* Update Processbar and return success */
+ } else {
+
+ strcat(value, p + 1);
+
+ }
+ UiDrawStatusText(value);
+
+ /* Load the driver */
+ FrLdrMapImage(FilePointer, szFileName, 0);
+
+ /* Update status and return */
UiDrawProgressBarCenter(nPos, 100, szLoadingMsg);
return(TRUE);
}
-BOOLEAN
-NTAPI
-FrLdrMapImage(
- IN FILE *Image,
- IN PCHAR ShortName
-);
-
-BOOLEAN
+PVOID
NTAPI
FrLdrLoadImage(IN PCHAR szFileName,
- IN INT nPos)
+ IN INT nPos,
+ IN ULONG ImageType)
{
PFILE FilePointer;
PCHAR szShortName;
CHAR szBuffer[256], szFullPath[256];
-
- /* Check if this the HAL being loaded */
- if (!_stricmp(szFileName, "hal.dll"))
- {
- /* Use the boot.ini name instead */
- szFileName = szHalName;
- }
+ PVOID LoadBase;
/* Extract filename without path */
szShortName = strrchr(szFileName, '\\');
UiDrawStatusText(szBuffer);
/* Do the actual loading */
- FrLdrMapImage(FilePointer, szShortName);
+ LoadBase = FrLdrMapImage(FilePointer, szShortName, ImageType);
/* Update Processbar and return success */
if (!FrLdrBootType) UiDrawProgressBarCenter(nPos, 100, szLoadingMsg);
- return TRUE;
-}
-
-static VOID
-FreeldrFreeMem(PVOID Area)
-{
- MmFreeMemory(Area);
-}
-
-static PVOID
-FreeldrAllocMem(ULONG_PTR Size)
-{
- return MmAllocateMemory((ULONG) Size);
-}
-
-static BOOLEAN
-FreeldrReadFile(PVOID FileContext, PVOID Buffer, ULONG Size)
-{
- ULONG BytesRead;
-
- return FsReadFile((PFILE) FileContext, (ULONG) Size, &BytesRead, Buffer)
- && Size == BytesRead;
-}
-
-static BOOLEAN
-FreeldrSeekFile(PVOID FileContext, ULONG_PTR Position)
-{
- FsSetFilePointer((PFILE) FileContext, (ULONG) Position);
- return TRUE;
-}
-
-static BOOLEAN
-LoadKernelSymbols(PCHAR szKernelName, int nPos)
-{
- static ROSSYM_CALLBACKS FreeldrCallbacks =
- {
- FreeldrAllocMem,
- FreeldrFreeMem,
- FreeldrReadFile,
- FreeldrSeekFile
- };
- PFILE FilePointer;
- PROSSYM_INFO RosSymInfo;
- ULONG Size;
- ULONG_PTR Base;
- //return TRUE;
-
- RosSymInit(&FreeldrCallbacks);
-
- FilePointer = FsOpenFile(szKernelName);
- if (FilePointer == NULL)
- {
- return FALSE;
- }
- if (! RosSymCreateFromFile(FilePointer, &RosSymInfo))
- {
- return FALSE;
- }
- Base = FrLdrCreateModule("NTOSKRNL.SYM");
- Size = RosSymGetRawDataLength(RosSymInfo);
- RosSymGetRawData(RosSymInfo, (PVOID)Base);
- FrLdrCloseModule(Base, Size);
- RosSymDelete(RosSymInfo);
- return TRUE;
+ return LoadBase;
}
static BOOLEAN
return(TRUE);
}
-static BOOLEAN
-FrLdrLoadDriver(PCHAR szFileName,
- INT nPos)
-{
- PFILE FilePointer;
- CHAR value[256];
- LPSTR p;
-
- /* Open the Driver */
- FilePointer = FsOpenFile(szFileName);
-
- /* Make sure we did */
- if (FilePointer == NULL) {
-
- /* Fail if file wasn't opened */
- strcpy(value, szFileName);
- strcat(value, " not found.");
- UiMessageBox(value);
- return(FALSE);
- }
-
- /* Update the status bar with the current file */
- strcpy(value, "Reading ");
- p = strrchr(szFileName, '\\');
- if (p == NULL) {
-
- strcat(value, szFileName);
-
- } else {
-
- strcat(value, p + 1);
-
- }
- UiDrawStatusText(value);
-
- /* Load the driver */
- FrLdrLoadModule(FilePointer, szFileName, NULL);
-
- /* Update status and return */
- UiDrawProgressBarCenter(nPos, 100, szLoadingMsg);
- return(TRUE);
-}
-
static VOID
FrLdrLoadBootDrivers(PCHAR szSystemRoot,
INT nPos)
if (rc != ERROR_SUCCESS) OrderList[0] = 0;
/* enumerate all drivers */
- for (TagIndex = 1; TagIndex <= OrderList[0]; TagIndex++) {
+ for (TagIndex = 1; TagIndex <= SWAPD(OrderList[0]); TagIndex++) {
Index = 0;
/* Update the position if needed */
if (nPos < 100) nPos += 5;
- FrLdrLoadDriver(ImagePath, nPos);
+ FrLdrLoadImage(ImagePath, nPos, 2);
} else {
if (nPos < 100) nPos += 5;
- FrLdrLoadDriver(ImagePath, nPos);
+ FrLdrLoadImage(ImagePath, nPos, 2);
} else {
CHAR SystemPath[255];
CHAR szKernelName[255];
CHAR szFileName[255];
- UINT i;
CHAR MsgBuffer[256];
ULONG SectionId;
-
+ PIMAGE_NT_HEADERS NtHeader;
+ PVOID LoadBase;
ULONG_PTR Base;
ULONG Size;
- extern ULONG PageDirectoryStart;
- extern ULONG PageDirectoryEnd;
- extern BOOLEAN AcpiPresent;
-
//
// Open the operating system section
// specified in the .ini file
/*
* Setup multiboot information structure
*/
- LoaderBlock.Flags = MB_FLAGS_BOOT_DEVICE | MB_FLAGS_COMMAND_LINE | MB_FLAGS_MODULE_INFO;
+ LoaderBlock.CommandLine = reactos_kernel_cmdline;
LoaderBlock.PageDirectoryStart = (ULONG)&PageDirectoryStart;
LoaderBlock.PageDirectoryEnd = (ULONG)&PageDirectoryEnd;
- LoaderBlock.BootDevice = 0xffffffff;
- LoaderBlock.CommandLine = reactos_kernel_cmdline;
LoaderBlock.ModsCount = 0;
LoaderBlock.ModsAddr = reactos_modules;
LoaderBlock.DrivesAddr = reactos_arc_disk_info;
- LoaderBlock.MmapLength = (unsigned long)MachGetMemoryMap((PBIOS_MEMORY_MAP)(PVOID)&reactos_memory_map, 32) * sizeof(memory_map_t);
- if (LoaderBlock.MmapLength)
- {
- LoaderBlock.MmapAddr = (unsigned long)&reactos_memory_map;
- LoaderBlock.Flags |= MB_FLAGS_MEM_INFO | MB_FLAGS_MMAP_INFO;
- reactos_memory_map_descriptor_size = sizeof(memory_map_t); // GetBiosMemoryMap uses a fixed value of 24
- DbgPrint((DPRINT_REACTOS, "memory map length: %d\n", LoaderBlock.MmapLength));
- DbgPrint((DPRINT_REACTOS, "dumping memory map:\n"));
- for (i=0; i<(LoaderBlock.MmapLength/sizeof(memory_map_t)); i++)
- {
- if (BiosMemoryUsable == reactos_memory_map[i].type &&
- 0 == reactos_memory_map[i].base_addr_low)
- {
- LoaderBlock.MemLower = (reactos_memory_map[i].base_addr_low + reactos_memory_map[i].length_low) / 1024;
- if (640 < LoaderBlock.MemLower)
- {
- LoaderBlock.MemLower = 640;
- }
- }
- if (BiosMemoryUsable == reactos_memory_map[i].type &&
- reactos_memory_map[i].base_addr_low <= 1024 * 1024 &&
- 1024 * 1024 <= reactos_memory_map[i].base_addr_low + reactos_memory_map[i].length_low)
- {
- LoaderBlock.MemHigher = (reactos_memory_map[i].base_addr_low + reactos_memory_map[i].length_low) / 1024 - 1024;
- }
- DbgPrint((DPRINT_REACTOS, "start: %x\t size: %x\t type %d\n",
- reactos_memory_map[i].base_addr_low,
- reactos_memory_map[i].length_low,
- reactos_memory_map[i].type));
- }
- }
- DbgPrint((DPRINT_REACTOS, "low_mem = %d\n", LoaderBlock.MemLower));
- DbgPrint((DPRINT_REACTOS, "high_mem = %d\n", LoaderBlock.MemHigher));
+ LoaderBlock.MmapLength = (unsigned long)MachGetMemoryMap((PBIOS_MEMORY_MAP)reactos_memory_map, 32) * sizeof(memory_map_t);
+ if (LoaderBlock.MmapLength)
+ {
+ ULONG i;
+ LoaderBlock.Flags |= MB_FLAGS_MEM_INFO | MB_FLAGS_MMAP_INFO;
+ LoaderBlock.MmapAddr = (unsigned long)&reactos_memory_map;
+ reactos_memory_map_descriptor_size = sizeof(memory_map_t); // GetBiosMemoryMap uses a fixed value of 24
+ for (i=0; i<(LoaderBlock.MmapLength/sizeof(memory_map_t)); i++)
+ {
+#ifdef _M_PPC
+ ULONG tmp;
+ /* Also swap from long long to high/low
+ * We also have unusable memory that will be available to kernel
+ * land. Mark it here.
+ */
+ if (BiosMemoryAcpiReclaim == reactos_memory_map[i].type)
+ {
+ reactos_memory_map[i].type = BiosMemoryUsable;
+ }
+
+ tmp = reactos_memory_map[i].base_addr_low;
+ reactos_memory_map[i].base_addr_low = reactos_memory_map[i].base_addr_high;
+ reactos_memory_map[i].base_addr_high = tmp;
+ tmp = reactos_memory_map[i].length_low;
+ reactos_memory_map[i].length_low = reactos_memory_map[i].length_high;
+ reactos_memory_map[i].length_high = tmp;
+#endif
+
+ if (BiosMemoryUsable == reactos_memory_map[i].type &&
+ 0 == reactos_memory_map[i].base_addr_low)
+ {
+ LoaderBlock.MemLower = (reactos_memory_map[i].base_addr_low + reactos_memory_map[i].length_low) / 1024;
+ if (640 < LoaderBlock.MemLower)
+ {
+ LoaderBlock.MemLower = 640;
+ }
+ }
+ if (BiosMemoryUsable == reactos_memory_map[i].type &&
+ reactos_memory_map[i].base_addr_low <= 1024 * 1024 &&
+ 1024 * 1024 <= reactos_memory_map[i].base_addr_low + reactos_memory_map[i].length_low)
+ {
+ LoaderBlock.MemHigher = (reactos_memory_map[i].base_addr_low + reactos_memory_map[i].length_low) / 1024 - 1024;
+ }
+ }
+ }
/*
* Initialize the registry
/*
* Detect hardware
*/
- MachHwDetect();
+ LoaderBlock.ArchExtra = (ULONG)MachHwDetect();
UiDrawProgressBarCenter(5, 100, szLoadingMsg);
- if (AcpiPresent) LoaderBlock.Flags |= MB_FLAGS_ACPI_TABLE;
LoaderBlock.DrivesCount = reactos_disk_count;
UiDrawStatusText("Loading...");
+ //
+ // If we have a ramdisk, this will switch to the ramdisk disk routines
+ // which read from memory instead of using the firmware. This has to be done
+ // after hardware detection, since hardware detection will require using the
+ // real routines in order to perform disk-detection (just because we're on a
+ // ram-boot doesn't mean the user doesn't have actual disks installed too!)
+ //
+ RamDiskSwitchFromBios();
+
/*
* Try to open system drive
*/
strcat(szBootPath, "\\");
DbgPrint((DPRINT_REACTOS,"SystemRoot: '%s'\n", szBootPath));
+ strcpy(SystemRoot, szBootPath);
/*
* Find the kernel image name
strcat(szHalName, value);
}
- /* Load the kernel */
- if (!FrLdrLoadKernel(szKernelName, 5)) return;
+ /* Load the kernel */
+ LoadBase = FrLdrLoadImage(szKernelName, 5, 1);
+ if (!LoadBase) return;
+
+ /* Get the NT header, kernel base and kernel entry */
+ NtHeader = RtlImageNtHeader(LoadBase);
+ KernelBase = SWAPD(NtHeader->OptionalHeader.ImageBase);
+ KernelEntryPoint = (ROS_KERNEL_ENTRY_POINT)(KernelBase + SWAPD(NtHeader->OptionalHeader.AddressOfEntryPoint));
+ LoaderBlock.KernelBase = KernelBase;
/*
* Load the System hive from disk
UiDrawProgressBarCenter(15, 100, szLoadingMsg);
- /*
- * Export the hardware hive
- */
- Base = FrLdrCreateModule ("HARDWARE");
- RegExportBinaryHive (L"\\Registry\\Machine\\HARDWARE", (PCHAR)Base, &Size);
- FrLdrCloseModule (Base, Size);
-
UiDrawProgressBarCenter(20, 100, szLoadingMsg);
/*
*/
if (!FrLdrLoadNlsFiles(szBootPath, MsgBuffer))
{
- UiMessageBox(MsgBuffer);
+ UiMessageBox(MsgBuffer);
return;
}
UiDrawProgressBarCenter(30, 100, szLoadingMsg);
- /*
- * Load kernel symbols
- */
- LoadKernelSymbols(szKernelName, 30);
- UiDrawProgressBarCenter(40, 100, szLoadingMsg);
-
/*
* Load boot drivers
*/
FrLdrLoadBootDrivers(szBootPath, 40);
//UiUnInitialize("Booting ReactOS...");
- /*
- * Now boot the kernel
- */
- DiskStopFloppyMotor();
- //MachVideoPrepareForReactOS();
- FrLdrStartup(0x2badb002);
+ //
+ // Perform architecture-specific pre-boot configuration
+ //
+ MachPrepareForReactOS(FALSE);
+
+ //
+ // Setup paging and jump to kernel
+ //
+ FrLdrStartup(0x2badb002);
}
#undef DbgPrint
projects / reactos.git / blobdiff