mirror of
https://github.com/reactos/reactos.git
synced 2024-08-16 00:19:32 +00:00
Reverted back to revision 1.59 because my last commit overwrote recent
changes. svn path=/trunk/; revision=1327
This commit is contained in:
David Welch
parent
8e0014c64b
commit
dd7e38a19d
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@ -1,4 +1,4 @@
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/* $Id: main.c,v 1.60 2000/08/30 19:33:28 dwelch Exp $
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/* $Id: main.c,v 1.61 2000/08/31 00:11:15 dwelch Exp $
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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@ -23,12 +23,13 @@
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#include <internal/ps.h>
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#include <internal/hal.h>
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#include <internal/ke.h>
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#include <internal/io.h>
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#include <internal/mmhal.h>
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#include <internal/i386/segment.h>
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#include <napi/shared_data.h>
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//#define NDEBUG
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#define NDEBUG
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#include <internal/debug.h>
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/* DATA *********************************************************************/
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@ -40,21 +41,311 @@ LOADER_PARAMETER_BLOCK EXPORTED KeLoaderBlock;
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/* FUNCTIONS ****************************************************************/
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static VOID CreateSystemRootLink (LPWSTR Device)
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static VOID
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CreateSystemRootLink (PCSZ ParameterLine)
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{
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UNICODE_STRING LinkName;
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UNICODE_STRING DeviceName;
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UNICODE_STRING ArcName;
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UNICODE_STRING BootPath;
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PCHAR ParamBuffer;
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PWCHAR ArcNameBuffer;
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PCHAR p;
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NTSTATUS Status;
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ULONG Length;
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OBJECT_ATTRIBUTES ObjectAttributes;
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HANDLE Handle;
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/* create local parameter line copy */
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ParamBuffer = ExAllocatePool (PagedPool, 256);
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strcpy (ParamBuffer, (char *)ParameterLine);
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DPRINT("%s\n", ParamBuffer);
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/* Format: <arc_name>\<path> [options...] */
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/* cut options off */
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p = strchr (ParamBuffer, ' ');
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if (p)
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*p = 0;
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DPRINT("%s\n", ParamBuffer);
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/* extract path */
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p = strchr (ParamBuffer, '\\');
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if (p)
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{
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DPRINT("Boot path: %s\n", p);
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RtlCreateUnicodeStringFromAsciiz (&BootPath, p);
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*p = 0;
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}
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else
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{
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DPRINT("Boot path: %s\n", "\\");
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RtlCreateUnicodeStringFromAsciiz (&BootPath, "\\");
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}
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DPRINT("Arc name: %s\n", ParamBuffer);
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/* Only arc name left - build full arc name */
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ArcNameBuffer = ExAllocatePool (PagedPool, 256 * sizeof(WCHAR));
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swprintf (ArcNameBuffer,
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L"\\ArcName\\%S", ParamBuffer);
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RtlInitUnicodeString (&ArcName, ArcNameBuffer);
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DPRINT("Arc name: %wZ\n", &ArcName);
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/* free ParamBuffer */
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ExFreePool (ParamBuffer);
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/* allocate device name string */
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DeviceName.Length = 0;
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DeviceName.MaximumLength = 256 * sizeof(WCHAR);
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DeviceName.Buffer = ExAllocatePool (PagedPool, 256 * sizeof(WCHAR));
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InitializeObjectAttributes (&ObjectAttributes,
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&ArcName,
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0,
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NULL,
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NULL);
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Status = NtOpenSymbolicLinkObject (&Handle,
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SYMBOLIC_LINK_ALL_ACCESS,
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&ObjectAttributes);
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RtlFreeUnicodeString (&ArcName);
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if (!NT_SUCCESS(Status))
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{
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RtlFreeUnicodeString (&BootPath);
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RtlFreeUnicodeString (&DeviceName);
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DbgPrint("NtOpenSymbolicLinkObject() failed (Status %x)\n",
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Status);
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KeBugCheck (0x0);
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}
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Status = NtQuerySymbolicLinkObject (Handle,
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&DeviceName,
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&Length);
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NtClose (Handle);
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if (!NT_SUCCESS(Status))
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{
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RtlFreeUnicodeString (&BootPath);
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RtlFreeUnicodeString (&DeviceName);
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DbgPrint("NtQuerySymbolicObject() failed (Status %x)\n",
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Status);
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KeBugCheck (0x0);
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}
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DPRINT("Length: %lu DeviceName: %wZ\n", Length, &DeviceName);
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RtlAppendUnicodeStringToString (&DeviceName,
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&BootPath);
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RtlFreeUnicodeString (&BootPath);
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DPRINT("DeviceName: %wZ\n", &DeviceName);
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/* create the '\SystemRoot' link */
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RtlInitUnicodeString (&LinkName,
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L"\\SystemRoot");
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RtlInitUnicodeString (&DeviceName,
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Device);
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Status = IoCreateSymbolicLink (&LinkName,
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&DeviceName);
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RtlFreeUnicodeString (&DeviceName);
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if (!NT_SUCCESS(Status))
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{
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DbgPrint("IoCreateSymbolicLink() failed (Status %x)\n",
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Status);
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IoCreateSymbolicLink (&LinkName,
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&DeviceName);
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KeBugCheck (0x0);
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}
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/*
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* FIXME: test if '\SystemRoot' (LinkName)can be opened,
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* otherwise crash it!
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*/
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}
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static VOID
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InitSystemSharedUserPage (PCSZ ParameterLine)
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{
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PKUSER_SHARED_DATA SharedPage;
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UNICODE_STRING ArcDeviceName;
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UNICODE_STRING ArcName;
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UNICODE_STRING BootPath;
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UNICODE_STRING DriveDeviceName;
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UNICODE_STRING DriveName;
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WCHAR DriveNameBuffer[20];
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PCHAR ParamBuffer;
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PWCHAR ArcNameBuffer;
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PCHAR p;
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NTSTATUS Status;
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ULONG Length;
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OBJECT_ATTRIBUTES ObjectAttributes;
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HANDLE Handle;
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ULONG i;
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BOOLEAN BootDriveFound;
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SharedPage = (PKUSER_SHARED_DATA)KERNEL_SHARED_DATA_BASE;
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SharedPage->DosDeviceMap = 0;
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SharedPage->NtProductType = NtProductWinNt;
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for (i = 0; i < 32; i++)
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{
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SharedPage->DosDeviceDriveType[i] = 0;
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}
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BootDriveFound = FALSE;
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/*
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* Retrieve the current dos system path
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* (e.g.: C:\reactos) from the given arc path
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* (e.g.: multi(0)disk(0)rdisk(0)partititon(1)\reactos)
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* Format: "<arc_name>\<path> [options...]"
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*/
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/* create local parameter line copy */
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ParamBuffer = ExAllocatePool (PagedPool, 256);
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strcpy (ParamBuffer, (char *)ParameterLine);
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DPRINT("%s\n", ParamBuffer);
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/* cut options off */
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p = strchr (ParamBuffer, ' ');
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if (p)
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{
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*p = 0;
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}
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DPRINT("%s\n", ParamBuffer);
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/* extract path */
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p = strchr (ParamBuffer, '\\');
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if (p)
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{
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DPRINT("Boot path: %s\n", p);
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RtlCreateUnicodeStringFromAsciiz (&BootPath, p);
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*p = 0;
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}
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else
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{
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DPRINT("Boot path: %s\n", "\\");
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RtlCreateUnicodeStringFromAsciiz (&BootPath, "\\");
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}
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DPRINT("Arc name: %s\n", ParamBuffer);
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/* Only arc name left - build full arc name */
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ArcNameBuffer = ExAllocatePool (PagedPool, 256 * sizeof(WCHAR));
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swprintf (ArcNameBuffer, L"\\ArcName\\%S", ParamBuffer);
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RtlInitUnicodeString (&ArcName, ArcNameBuffer);
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DPRINT("Arc name: %wZ\n", &ArcName);
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/* free ParamBuffer */
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ExFreePool (ParamBuffer);
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/* allocate arc device name string */
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ArcDeviceName.Length = 0;
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ArcDeviceName.MaximumLength = 256 * sizeof(WCHAR);
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ArcDeviceName.Buffer = ExAllocatePool (PagedPool, 256 * sizeof(WCHAR));
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InitializeObjectAttributes (&ObjectAttributes,
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&ArcName,
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0,
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NULL,
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NULL);
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Status = NtOpenSymbolicLinkObject (&Handle,
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SYMBOLIC_LINK_ALL_ACCESS,
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&ObjectAttributes);
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RtlFreeUnicodeString (&ArcName);
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if (!NT_SUCCESS(Status))
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{
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RtlFreeUnicodeString (&BootPath);
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RtlFreeUnicodeString (&ArcDeviceName);
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DbgPrint("NtOpenSymbolicLinkObject() failed (Status %x)\n",
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Status);
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KeBugCheck (0x0);
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}
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Status = NtQuerySymbolicLinkObject (Handle,
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&ArcDeviceName,
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&Length);
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NtClose (Handle);
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if (!NT_SUCCESS(Status))
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{
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RtlFreeUnicodeString (&BootPath);
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RtlFreeUnicodeString (&ArcDeviceName);
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DbgPrint("NtQuerySymbolicObject() failed (Status %x)\n",
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Status);
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KeBugCheck (0x0);
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}
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DPRINT("Length: %lu ArcDeviceName: %wZ\n", Length, &ArcDeviceName);
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/* allocate device name string */
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DriveDeviceName.Length = 0;
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DriveDeviceName.MaximumLength = 256 * sizeof(WCHAR);
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DriveDeviceName.Buffer = ExAllocatePool (PagedPool, 256 * sizeof(WCHAR));
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for (i = 0; i < 26; i++)
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{
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swprintf (DriveNameBuffer, L"\\??\\%C:", 'A' + i);
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RtlInitUnicodeString (&DriveName,
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DriveNameBuffer);
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InitializeObjectAttributes (&ObjectAttributes,
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&DriveName,
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0,
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NULL,
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NULL);
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Status = NtOpenSymbolicLinkObject (&Handle,
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SYMBOLIC_LINK_ALL_ACCESS,
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&ObjectAttributes);
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if (!NT_SUCCESS(Status))
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{
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DPRINT("Failed to open link %wZ\n",
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&DriveName);
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continue;
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}
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Status = NtQuerySymbolicLinkObject (Handle,
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&DriveDeviceName,
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&Length);
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if (!NT_SUCCESS(Status))
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{
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DPRINT("Failed query open link %wZ\n",
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&DriveName);
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continue;
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}
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DPRINT("Opened link: %wZ ==> %wZ\n",
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&DriveName, &DriveDeviceName);
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if (!RtlCompareUnicodeString (&ArcDeviceName, &DriveDeviceName, FALSE))
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{
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DPRINT("DOS Boot path: %c:%wZ\n", 'A' + i, &BootPath);
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swprintf (SharedPage->NtSystemRoot,
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L"%C:%wZ", 'A' + i, &BootPath);
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BootDriveFound = TRUE;
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}
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NtClose (Handle);
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/* set bit in dos drives bitmap (drive available) */
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SharedPage->DosDeviceMap |= (1<<i);
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}
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RtlFreeUnicodeString (&BootPath);
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RtlFreeUnicodeString (&DriveDeviceName);
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RtlFreeUnicodeString (&ArcDeviceName);
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DPRINT("DosDeviceMap: 0x%x\n", SharedPage->DosDeviceMap);
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if (BootDriveFound == FALSE)
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{
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DbgPrint("No system drive found!\n");
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KeBugCheck (0x0);
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}
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}
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void _main (PLOADER_PARAMETER_BLOCK LoaderBlock)
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/*
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* FUNCTION: Called by the boot loader to start the kernel
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@ -78,7 +369,8 @@ void _main (PLOADER_PARAMETER_BLOCK LoaderBlock)
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* Initializes the kernel parameter line.
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* This should be done by the boot loader.
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*/
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// strcpy (KeLoaderBlock.kernel_parameters, "/DEBUGPORT=SCREEN");
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strcpy (KeLoaderBlock.kernel_parameters,
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"multi(0)disk(0)rdisk(0)partition(1)\\reactos /DEBUGPORT=SCREEN");
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/*
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* Initialization phase 0
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@ -86,10 +378,7 @@ void _main (PLOADER_PARAMETER_BLOCK LoaderBlock)
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HalInitSystem (0, (PLOADER_PARAMETER_BLOCK)&KeLoaderBlock);
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KeInit1();
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KeLowerIrql(DISPATCH_LEVEL);
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DbgPrint("kernel_parameters %s\n",
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KeLoaderBlock.kernel_parameters);
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/*
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* Display version number and copyright/warranty message
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*/
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@ -148,34 +437,33 @@ void _main (PLOADER_PARAMETER_BLOCK LoaderBlock)
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*/
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DPRINT1("%d files loaded\n",KeLoaderBlock.nr_files);
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/* Pass 1: load registry chunks passed in */
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start = KERNEL_BASE + PAGE_ROUND_UP(KeLoaderBlock.module_length[0]);
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for (i = 1; i < KeLoaderBlock.nr_files; i++)
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{
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if (!strcmp ((PCHAR) start, "REGEDIT4"))
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{
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DPRINT1("process registry chunk at %08lx\n", start);
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CmImportHive((PCHAR) start);
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}
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start = start + KeLoaderBlock.module_length[i];
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}
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/* Pass 1: load registry chunks passed in */
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start = KERNEL_BASE + PAGE_ROUND_UP(KeLoaderBlock.module_length[0]);
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for (i = 1; i < KeLoaderBlock.nr_files; i++)
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{
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if (!strcmp ((PCHAR) start, "REGEDIT4"))
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{
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DPRINT1("process registry chunk at %08lx\n", start);
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CmImportHive((PCHAR) start);
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}
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start = start + KeLoaderBlock.module_length[i];
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}
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/* Pass 2: process boot loaded drivers */
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start = KERNEL_BASE + PAGE_ROUND_UP(KeLoaderBlock.module_length[0]);
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start1 = start + KeLoaderBlock.module_length[1];
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for (i=1;i<KeLoaderBlock.nr_files;i++)
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{
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if (strcmp ((PCHAR) start, "REGEDIT4"))
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{
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DPRINT1("process module at %08lx\n", start);
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LdrProcessDriver((PVOID)start);
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}
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start = start + KeLoaderBlock.module_length[i];
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}
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/* Pass 2: process boot loaded drivers */
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start = KERNEL_BASE + PAGE_ROUND_UP(KeLoaderBlock.module_length[0]);
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start1 = start + KeLoaderBlock.module_length[1];
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for (i=1;i<KeLoaderBlock.nr_files;i++)
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{
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if (strcmp ((PCHAR) start, "REGEDIT4"))
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{
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DPRINT1("process module at %08lx\n", start);
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LdrProcessDriver((PVOID)start);
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}
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start = start + KeLoaderBlock.module_length[i];
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}
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/* Create the SystemRoot symbolic link */
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/* Hardcoded to 'C:\reactos' but this will change. */
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CreateSystemRootLink (L"\\Device\\Harddisk0\\Partition1\\reactos");
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CreateSystemRootLink (KeLoaderBlock.kernel_parameters);
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/*
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* Load Auto configured drivers
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@ -190,12 +478,11 @@ void _main (PLOADER_PARAMETER_BLOCK LoaderBlock)
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NULL,
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NULL);
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/* set system root in shared user page */
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wcscpy (((PKUSER_SHARED_DATA)KERNEL_SHARED_DATA_BASE)->NtSystemRoot,
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L"C:\\reactos");
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((PKUSER_SHARED_DATA)KERNEL_SHARED_DATA_BASE)->NtProductType = NtProductWinNt;
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/*
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* Initialize shared user page:
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* - set dos system path, dos device map, etc.
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*/
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InitSystemSharedUserPage (KeLoaderBlock.kernel_parameters);
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/*
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* Launch initial process
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