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svn path=/trunk/; revision=28
This commit is contained in:
Rex Jolliff 1998-09-05 17:33:57 +00:00
parent f29364e917
commit bb9cc48934
11 changed files with 1004 additions and 0 deletions
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18
reactos/include/ddk/ioctrl.h Normal file
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#ifndef __INCLUDE_DDK_IOCTRL_H
#define __INCLUDE_DDK_IOCTRL_H
#define CTL_CODE(Dev, Func, Meth, Acc) ( ((Dev)<<16) | ((Acc)<<14) | ((Func)<<2) | (Meth))
// IOCTL Parameter buffering methods
#define METHOD_BUFFERED 0
#define METHOD_IN_DIRECT 1
#define METHOD_OUT_DIRECT 2
#define METHOD_NEITHER 3
// IOCTL File access type
#define FILE_ANY_ACCESS 0
#define FILE_READ_ACCESS 1
#define FILE_WRITE_ACCESS 2
#endif /* __INCLUDE_DDK_IOCTRL_H */

10
reactos/include/ddk/ntdef.h Normal file
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#ifndef __INCLUDE_DDK_NTDEF_H
#define __INCLUDE_DDK_NTDEF_H
struct _KTHREAD;
struct _ETHREAD;
struct _EPROCESS;
#define NTKERNELAPI
#endif

159
reactos/include/ddk/status.h Normal file
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#ifndef __INCLUDE_DDK_STATUS_H
#define __INCLUDE_DDK_STATUS_H
#define NT_SUCCESS(StatCode) ((NTSTATUS)(StatCode) >= 0)
/*
* Possible status codes
* FIXME: These may not be the actual values used by NT
*/
enum
{
STATUS_SUCCESS = 0x0,
STATUS_INSUFFICIENT_RESOURCES = 0x80000000,
STATUS_OBJECT_NAME_EXISTS,
STATUS_OBJECT_NAME_COLLISION,
// STATUS_DATATYPE_MISALIGNMENT,
STATUS_CTL_FILE_NOT_SUPPORTED,
// STATUS_ACCESS_VIOLATION,
STATUS_PORT_ALREADY_SET,
STATUS_SECTION_NOT_IMAGE,
STATUS_BAD_WORKING_SET_LIMIT,
STATUS_INCOMPATIBLE_FILE_MAP,
STATUS_HANDLE_NOT_WAITABLE,
STATUS_PORT_DISCONNECTED,
STATUS_NOT_LOCKED,
STATUS_NOT_MAPPED_VIEW,
STATUS_UNABLE_TO_FREE_VM,
STATUS_UNABLE_TO_DELETE_SECTION,
STATUS_MORE_PROCESSING_REQUIRED,
STATUS_INVALID_CID,
STATUS_BAD_INITIAL_STACK,
STATUS_INVALID_VOLUME_LABEL,
STATUS_SECTION_NOT_EXTENDED,
STATUS_NOT_MAPPED_DATA,
STATUS_INFO_LENGTH_MISMATCH,
STATUS_INVALID_INFO_CLASS,
STATUS_SUSPEND_COUNT_EXCEEDED,
STATUS_NOTIFY_ENUM_DIR,
STATUS_REGISTRY_RECOVERED,
STATUS_REGISTRY_IO_FAILED,
STATUS_KEY_DELETED,
STATUS_NO_LOG_SPACE,
STATUS_KEY_HAS_CHILDREN,
STATUS_CHILD_MUST_BE_VOLATILE,
STATUS_REGISTRY_CORRUPT,
STATUS_DLL_NOT_FOUND,
STATUS_DLL_INIT_FAILED,
STATUS_ORDINAL_NOT_FOUND,
STATUS_ENTRYPOINT_NOT_FOUND,
// STATUS_PENDING,
STATUS_MORE_ENTRIES,
// STATUS_INTEGER_OVERFLOW,
STATUS_BUFFER_OVERFLOW,
STATUS_NO_MORE_FILES,
STATUS_NO_INHERITANCE,
STATUS_NO_MORE_EAS,
STATUS_NO_MORE_ENTRIES,
STATUS_GUIDS_EXHAUSTED,
STATUS_AGENTS_EXHAUSTED,
STATUS_UNSUCCESSFUL,
STATUS_NOT_IMPLEMENTED,
STATUS_ILLEGAL_FUNCTION,
// STATUS_IN_PAGE_ERROR,
STATUS_PAGEFILE_QUOTA,
STATUS_COMMITMENT_LIMIT,
STATUS_SECTION_TOO_BIG,
RPC_NT_SS_IN_NULL_CONTEXT,
RPC_NT_INVALID_BINDING,
// STATUS_INVALID_HANDLE,
STATUS_OBJECT_FILE_MISMATCH,
STATUS_FILE_CLOSED,
STATUS_INVALID_PORT_HANDLE,
STATUS_NOT_COMMITTED,
STATUS_INVALID_PARAMETER,
STATUS_INVALID_PARAMETER_1,
STATUS_INVALID_PARAMETER_2,
STATUS_INVALID_PARAMETER_3,
STATUS_INVALID_PARAMETER_4,
STATUS_INVALID_PARAMETER_5,
STATUS_INVALID_PARAMETER_6,
STATUS_INVALID_PARAMETER_7,
STATUS_INVALID_PARAMETER_8,
STATUS_INVALID_PARAMETER_9,
STATUS_INVALID_PARAMETER_10,
STATUS_INVALID_PARAMETER_11,
STATUS_INVALID_PARAMETER_12,
STATUS_INVALID_PARAMETER_MAX,
STATUS_INVALID_PAGE_PROTECTION,
STATUS_RESOURCE_DATA_NOT_FOUND,
STATUS_RESOURCE_TYPE_NOT_FOUND,
STATUS_RESOURCE_NAME_NOT_FOUND,
STATUS_RESOURCE_LANG_NOT_FOUND,
STATUS_NO_SUCH_DEVICE,
STATUS_NO_SUCH_FILE,
STATUS_INVALID_DEVICE_REQUEST,
STATUS_END_OF_FILE,
STATUS_FILE_FORCED_CLOSED,
STATUS_WRONG_VOLUME,
STATUS_NO_MEDIA,
STATUS_NO_MEDIA_IN_DEVICE,
STATUS_NONEXISTENT_SECTOR,
STATUS_WORKING_SET_QUOTA,
// STATUS_NO_MEMORY,
STATUS_CONFLICTING_ADDRESS,
STATUS_INVALID_SYSTEM_SERVICE,
STATUS_THREAD_IS_TERMINATING,
STATUS_PROCESS_IS_TERMINATING,
STATUS_INVALID_LOCK_SEQUENCE,
STATUS_INVALID_VIEW_SIZE,
STATUS_ALREADY_COMMITTED,
STATUS_ACCESS_DENIED,
STATUS_FILE_IS_A_DIRECTORY,
STATUS_CANNOT_DELETE,
STATUS_INVALID_COMPUTER_NAME,
STATUS_FILE_DELETED,
STATUS_DELETE_PENDING,
STATUS_PORT_CONNECTION_REFUSED,
STATUS_NO_SUCH_PRIVILEGE,
STATUS_PRIVILEGE_NOT_HELD,
STATUS_CANNOT_IMPERSONATE,
STATUS_LOGON_FAILURE,
STATUS_ACCOUNT_RESTRICTION,
STATUS_INVALID_LOGON_HOURS,
STATUS_INVALID_WORKSTATION,
STATUS_BUFFER_TOO_SMALL,
STATUS_UNABLE_TO_DECOMMIT_VM,
STATUS_DISK_CORRUPT_ERROR,
STATUS_OBJECT_NAME_INVALID,
STATUS_OBJECT_NAME_NOT_FOUND,
// STATUS_OBJECT_NAME_COLLISION,
STATUS_OBJECT_PATH_INVALID,
STATUS_OBJECT_PATH_NOT_FOUND,
STATUS_DFS_EXIT_PATH_FOUND,
STATUS_OBJECT_PATH_SYNTAX_BAD,
STATUS_DATA_OVERRUN,
STATUS_DATA_LATE_ERROR,
STATUS_DATA_ERROR,
STATUS_CRC_ERROR,
STATUS_SHARING_VIOLATION,
STATUS_QUOTA_EXCEEDED,
STATUS_MUTANT_NOT_OWNED,
STATUS_SEMAPHORE_LIMIT_EXCEEDED,
STATUS_DISK_FULL,
STATUS_LOCK_NOT_GRANTED,
STATUS_DEVICE_NOT_READY,
STATUS_IO_TIMEOUT,
STATUS_MEDIA_WRITE_PROTECTED,
STATUS_NO_MEDIA_IN_DRIVE,
STATUS_VERIFY_REQUIRED,
STATUS_UNRECOGNIZED_MEDIA,
STATUS_UNRECOGNIZED_VOLUME,
// STATUS_WRONG_VOLUME,
STATUS_FS_DRIVER_REQUIRED,
STATUS_NOT_SUPPORTED = 9999,
STATUS_DISK_OPERATION_FAILED
};
#endif /* __INCLUDE_DDK_STATUS_H */

10
reactos/include/internal/hal.h Normal file
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#ifndef __INCLUDE_INTERNAL_HAL_H
#define __INCLUDE_INTERNAL_HAL_H
#ifdef i386
#include <internal/i386/hal.h>
#else
#error "Unknown processor"
#endif
#endif

71
reactos/include/internal/i386/hal.h Normal file
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/*
*
*/
#ifndef __INTERNAL_HAL_HAL_H
#define __INTERNAL_HAL_HAL_H
typedef struct
{
unsigned short previous_task;
unsigned short reserved1;
unsigned long esp0;
unsigned short ss0;
unsigned short reserved2;
unsigned long esp1;
unsigned short ss1;
unsigned short reserved3;
unsigned long esp2;
unsigned short ss2;
unsigned short reserved4;
unsigned long cr3;
unsigned long eip;
unsigned long eflags;
unsigned long eax;
unsigned long ecx;
unsigned long edx;
unsigned long ebx;
unsigned long esp;
unsigned long ebp;
unsigned long esi;
unsigned long edi;
unsigned short es;
unsigned short reserved5;
unsigned short cs;
unsigned short reserved6;
unsigned short ss;
unsigned short reserved7;
unsigned short ds;
unsigned short reserved8;
unsigned short fs;
unsigned short reserved9;
unsigned short gs;
unsigned short reserved10;
unsigned short ldt;
unsigned short reserved11;
unsigned short trap;
unsigned short iomap_base;
unsigned short nr;
unsigned char io_bitmap[1];
} hal_thread_state;
/*
* FUNCTION: Probes for a PCI bus
* RETURNS: True if found
*/
BOOL HalPciProbe(void);
/*
* FUNCTION: Probes for a BIOS32 extension
*/
VOID Hal_bios32_probe(VOID);
/*
* FUNCTION: Determines if a a bios32 service is present
*/
BOOLEAN Hal_bios32_is_service_present(ULONG service);
#endif /* __INTERNAL_HAL_HAL_H */

43
reactos/include/internal/ke.h Normal file
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/*
* Various useful prototypes
*/
#ifndef __INCLUDE_INTERNAL_KERNEL_H
#define __INCLUDE_INTERNAL_KERNEL_H
/* INCLUDES *****************************************************************/
#include <windows.h>
#include <ddk/ntddk.h>
#include <internal/linkage.h>
#include <stdarg.h>
/* INTERNAL KERNEL FUNCTIONS ************************************************/
VOID KiInterruptDispatch(ULONG irq);
VOID KiDispatchInterrupt(ULONG irq);
VOID KiTimerInterrupt(VOID);
VOID KeDrainDpcQueue(VOID);
VOID KeExpireTimers(VOID);
NTSTATUS KeAddThreadTimeout(PKTHREAD Thread, PLARGE_INTEGER Interval);
VOID KeInitializeDispatcherHeader(DISPATCHER_HEADER* Header, ULONG Type,
ULONG Size, ULONG SignalState);
/* INITIALIZATION FUNCTIONS *************************************************/
VOID KeInitExceptions(VOID);
VOID KeInitIRQ(VOID);
VOID KeInitTimer(VOID);
VOID KeInitDpc(VOID);
VOID KeInitBugCheck(VOID);
VOID KeInitDispatcher(VOID);
VOID KeCalibrateTimerLoop(VOID);
#endif

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reactos/include/internal/ntoskrnl.h Normal file
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/*
* Various useful prototypes
*/
#ifndef __KERNEL_H
#define __KERNEL_H
#include <windows.h>
#include <ddk/ntddk.h>
#include <internal/linkage.h>
#include <stdarg.h>
/*
* Use these to place a function in a specific section of the executable
*/
#define PLACE_IN_SECTION(s) __attribute__((section (s)))
#define INIT_FUNCTION (PLACE_IN_SECTION("init"))
#define PAGE_LOCKED_FUNCTION (PLACE_IN_SECTION("pagelk"))
#define PAGE_UNLOCKED_FUNCTION (PLACE_IN_SECTION("pagepo"))
/*
* Maximum size of the kmalloc area (this is totally arbitary)
*/
#define NONPAGED_POOL_SIZE (4*1024*1024)
/*
* Defines a descriptor as it appears in the processor tables
*/
typedef struct
{
unsigned int a;
unsigned int b;
} descriptor;
extern descriptor idt[256];
extern descriptor gdt[256];
/*
* printf style functions
*/
asmlinkage void printk(const char* fmt, ...);
int vsprintf(char *buf, const char *fmt, va_list args);
int sprintf(char* buf, const char* fmt, ...);
typedef struct
{
/*
* Magic value (useless really)
*/
unsigned int magic;
/*
* Cursor position
*/
unsigned int cursorx;
unsigned int cursory;
/*
* Number of files (including the kernel) loaded
*/
unsigned int nr_files;
/*
* Range of physical memory being used by the system
*/
unsigned int start_mem;
unsigned int end_mem;
/*
* List of module lengths (terminated by a 0)
*/
unsigned int module_length[64];
} boot_param;
/*
* Initalization functions (called once by main())
*/
void MmInitalize(boot_param* bp);
void HalInit(boot_param* bp);
void IoInit(void);
void ObInit(void);
void PsInit(void);
void TstBegin(void);
VOID KeInit(VOID);
VOID HalInitConsole(boot_param* bp);
#endif

33
reactos/ntoskrnl/ke/kernel.c Normal file
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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: ntoskrnl/ke/kernel.c
* PURPOSE: Initializes the kernel
* PROGRAMMER: David Welch (welch@mcmail.com)
* UPDATE HISTORY:
* Created 22/05/98
*/
/* INCLUDES *****************************************************************/
#include <internal/ke.h>
#include <ddk/ntddk.h>
#include <internal/debug.h>
/* FUNCTIONS *****************************************************************/
VOID KeInit()
{
KeInitDpc();
KeInitializeBugCheck();
KeInitializeDispatcher();
InitializeTimer();
/*
* Allow interrupts
*/
KeLowerIrql(PASSIVE_LEVEL);
KeCalibrateTimerLoop();
}

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reactos/ntoskrnl/mm/marea.c Normal file
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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: ntoskrnl/mm/marea.c
* PURPOSE: Implements memory areas
* PROGRAMMER: David Welch (welch@mcmail.com)
* UPDATE HISTORY:
* Created 22/05/98
*/
/* INCLUDES *****************************************************************/
#include <ddk/ntddk.h>
#include <internal/mm.h>
#include <internal/hal/page.h>
#define NDEBUG
#include <internal/debug.h>
/* GLOBALS *******************************************************************/
static LIST_ENTRY SystemAreaList = {NULL,NULL};
static KSPIN_LOCK SystemAreaListLock = {0,};
/* FUNCTIONS *****************************************************************/
VOID MmDumpMemoryAreas(VOID)
{
PLIST_ENTRY current_entry;
MEMORY_AREA* current;
PLIST_ENTRY ListHead = &SystemAreaList;
ULONG i;
current_entry = ListHead->Flink;
i=0;
while (current_entry!=ListHead)
{
current = CONTAINING_RECORD(current_entry,MEMORY_AREA,Entry);
DPRINT("Base %x Length %x End %x Attributes %x Flink %x\n",
current->BaseAddress,current->Length,
current->BaseAddress+current->Length,current->Attributes,
current->Entry.Flink);
current_entry = current_entry->Flink;
i++;
if (i>6)
{
CHECKPOINT;
for(;;);
}
}
CHECKPOINT;
}
VOID MmLockMemoryAreaList(ULONG Address, PKIRQL oldlvl)
{
if (Address >= KERNEL_BASE)
{
KeAcquireSpinLock(&SystemAreaListLock,oldlvl);
}
else
{
PKPROCESS CurrentProcess = KeGetCurrentProcess();
KeAcquireSpinLock(&(CurrentProcess->SpinLock),oldlvl);
}
}
VOID MmUnlockMemoryAreaList(ULONG Address, PKIRQL oldlvl)
{
if (Address >= KERNEL_BASE)
{
KeReleaseSpinLock(&SystemAreaListLock,*oldlvl);
}
else
{
PKPROCESS CurrentProcess = KeGetCurrentProcess();
KeReleaseSpinLock(&(CurrentProcess->SpinLock),*oldlvl);
}
}
static PLIST_ENTRY MmGetRelatedListHead(ULONG BaseAddress)
{
if (BaseAddress >= KERNEL_BASE)
{
return(&SystemAreaList);
}
else
{
PKPROCESS CurrentProcess = KeGetCurrentProcess();
return(&(CurrentProcess->MemoryAreaList));
}
}
static MEMORY_AREA* MmInternalOpenMemoryAreaByAddress(PLIST_ENTRY ListHead,
ULONG Address)
{
PLIST_ENTRY current_entry;
MEMORY_AREA* current;
current_entry = ListHead->Flink;
while (current_entry!=ListHead)
{
current = CONTAINING_RECORD(current_entry,MEMORY_AREA,Entry);
if (current->BaseAddress <= Address &&
(current->BaseAddress + current->Length) > Address)
{
return(current);
}
if (current->BaseAddress > Address)
{
return(NULL);
}
current_entry = current_entry->Flink;
}
return(NULL);
}
MEMORY_AREA* MmInternalOpenMemoryAreaByRegion(PLIST_ENTRY ListHead,
ULONG Address,
ULONG Length)
{
PLIST_ENTRY current_entry;
MEMORY_AREA* current;
ULONG Extent;
DPRINT("MmInternalOpenMemoryAreaByRegion()\n",0);
MmDumpMemoryAreas();
current_entry = ListHead->Flink;
while (current_entry!=ListHead)
{
current = CONTAINING_RECORD(current_entry,MEMORY_AREA,Entry);
if (current->BaseAddress >= Address &&
current->BaseAddress < (Address+Length))
{
DPRINT("Finished MmInternalOpenMemoryAreaByRegion()\n",0);
return(current);
}
Extent = current->BaseAddress + current->Length;
if (Extent >= Address &&
Extent < (Address+Length))
{
DPRINT("Finished MmInternalOpenMemoryAreaByRegion()\n",0);
return(current);
}
if (current->BaseAddress <= Address &&
Extent >= (Address+Length))
{
DPRINT("Finished MmInternalOpenMemoryAreaByRegion()\n",0);
return(current);
}
if (current->BaseAddress >= (Address+Length))
{
DPRINT("Finished MmInternalOpenMemoryAreaByRegion()\n",0);
return(NULL);
}
current_entry = current_entry->Flink;
}
DPRINT("Finished MmInternalOpenMemoryAreaByRegion()\n",0);
return(NULL);
}
MEMORY_AREA* MmOpenMemoryAreaByRegion(ULONG Address, ULONG Length)
{
KIRQL oldlvl;
MEMORY_AREA* Result;
PLIST_ENTRY ListHead;
MmLockMemoryAreaList(Address,&oldlvl);
ListHead = MmGetRelatedListHead(Address);
Result = MmInternalOpenMemoryAreaByRegion(ListHead,Address,Length);
MmUnlockMemoryAreaList(Address,&oldlvl);
return(Result);
}
MEMORY_AREA* MmOpenMemoryAreaByRegionWithoutLock(ULONG Address, ULONG Length)
{
MEMORY_AREA* Result;
PLIST_ENTRY ListHead;
ListHead = MmGetRelatedListHead(Address);
Result = MmInternalOpenMemoryAreaByRegion(ListHead,Address,Length);
return(Result);
}
MEMORY_AREA* MmOpenMemoryAreaByAddress(ULONG Address)
{
KIRQL oldlvl;
MEMORY_AREA* Result;
PLIST_ENTRY ListHead;
DPRINT("MmOpenMemoryAreaByAddress(Address %x)\n",Address);
MmLockMemoryAreaList(Address,&oldlvl);
ListHead = MmGetRelatedListHead(Address);
Result = MmInternalOpenMemoryAreaByAddress(ListHead,Address);
MmUnlockMemoryAreaList(Address,&oldlvl);
return(Result);
}
MEMORY_AREA* MmOpenMemoryAreaByAddressWithoutLock(ULONG Address)
{
MEMORY_AREA* Result;
PLIST_ENTRY ListHead;
ListHead = MmGetRelatedListHead(Address);
Result = MmInternalOpenMemoryAreaByAddress(ListHead,Address);
return(Result);
}
static VOID MmInsertMemoryAreaWithoutLock(MEMORY_AREA* marea)
{
PLIST_ENTRY ListHead;
PLIST_ENTRY current_entry;
PLIST_ENTRY inserted_entry = &(marea->Entry);
MEMORY_AREA* current;
MEMORY_AREA* next;
DPRINT("MmInsertMemoryAreaWithoutLock(marea %x)\n",marea);
DPRINT("marea->BaseAddress %x\n",marea->BaseAddress);
DPRINT("marea->Length %x\n",marea->Length);
ListHead=MmGetRelatedListHead(marea->BaseAddress);
current_entry = ListHead->Flink;
CHECKPOINT;
if (IsListEmpty(ListHead))
{
CHECKPOINT;
InsertHeadList(ListHead,&marea->Entry);
CHECKPOINT;
return;
}
CHECKPOINT;
current = CONTAINING_RECORD(current_entry,MEMORY_AREA,Entry);
CHECKPOINT;
if (current->BaseAddress > marea->BaseAddress)
{
CHECKPOINT;
InsertHeadList(ListHead,&marea->Entry);
CHECKPOINT;
return;
}
CHECKPOINT;
while (current_entry->Flink!=ListHead)
{
// CHECKPOINT;
current = CONTAINING_RECORD(current_entry,MEMORY_AREA,Entry);
next = CONTAINING_RECORD(current_entry->Flink,MEMORY_AREA,Entry);
if (current->BaseAddress < marea->BaseAddress &&
current->Entry.Flink==ListHead)
{
current_entry->Flink = inserted_entry;
inserted_entry->Flink=&ListHead;
inserted_entry->Blink=current_entry;
return;
}
if (current->BaseAddress < marea->BaseAddress &&
next->BaseAddress > marea->BaseAddress)
{
inserted_entry->Flink = current_entry->Flink;
inserted_entry->Blink = current_entry->Blink;
inserted_entry->Flink->Blink = inserted_entry;
current_entry->Flink=inserted_entry;
return;
}
current_entry = current_entry->Flink;
}
CHECKPOINT;
InsertTailList(ListHead,inserted_entry);
}
static ULONG MmFindGapWithoutLock(KPROCESSOR_MODE Mode, ULONG Length)
{
PLIST_ENTRY ListHead;
PLIST_ENTRY current_entry;
MEMORY_AREA* current;
MEMORY_AREA* next;
ULONG Gap;
DPRINT("MmFindGapWithoutLock(Mode %x Length %x)\n",Mode,Length);
if (Mode == KernelMode)
{
ListHead = &SystemAreaList;
}
else
{
ListHead = &(KeGetCurrentProcess()->MemoryAreaList);
}
current_entry = ListHead->Flink;
while (current_entry->Flink!=ListHead)
{
current = CONTAINING_RECORD(current_entry,MEMORY_AREA,Entry);
next = CONTAINING_RECORD(current_entry->Flink,MEMORY_AREA,Entry);
DPRINT("current %x current->BaseAddress %x\n",current,
current->BaseAddress);
DPRINT("current->Length %x\n",current->Length);
DPRINT("next %x next->BaseAddress %x\n",next,next->BaseAddress);
Gap = (next->BaseAddress ) -(current->BaseAddress + current->Length);
DPRINT("Gap %x\n",Gap);
if (Gap >= Length)
{
return(current->BaseAddress + current->Length);
}
current_entry = current_entry->Flink;
}
current = CONTAINING_RECORD(current_entry,MEMORY_AREA,Entry);
return(current->BaseAddress + current->Length);
}
NTSTATUS MmInitMemoryAreas(VOID)
{
DPRINT("MmInitMemoryAreas()\n",0);
InitializeListHead(&SystemAreaList);
KeInitializeSpinLock(&SystemAreaListLock);
return(STATUS_SUCCESS);
}
NTSTATUS MmFreeMemoryArea(PVOID BaseAddress,
ULONG Length,
BOOLEAN FreePages)
{
MEMORY_AREA* MemoryArea;
ULONG i;
KIRQL oldlvl;
MmLockMemoryAreaList((ULONG)BaseAddress,&oldlvl);
MemoryArea = MmOpenMemoryAreaByAddressWithoutLock((ULONG)BaseAddress);
if (MemoryArea!=NULL)
{
MmUnlockMemoryAreaList((ULONG)BaseAddress,&oldlvl);
return(STATUS_UNSUCCESSFUL);
}
if (FreePages)
{
for (i=0;i<=(MemoryArea->Length/PAGESIZE);i++)
{
free_page(MmGetPhysicalAddress(MemoryArea->BaseAddress+
(i*PAGESIZE)).LowPart,1);
}
}
RemoveEntryList(&(MemoryArea->Entry));
ExFreePool(MemoryArea);
MmUnlockMemoryAreaList((ULONG)BaseAddress,&oldlvl);
return(STATUS_SUCCESS);
}
NTSTATUS MmCreateMemoryArea(KPROCESSOR_MODE Mode,
ULONG Type,
PULONG BaseAddress,
ULONG Length,
ULONG Attributes,
MEMORY_AREA** Result)
{
KIRQL oldlvl;
DPRINT("MmCreateMemoryArea(Mode %x, Type %d, BaseAddress %x,"
"*BaseAddress %x, Length %x, Attributes %x, Result %x)\n",
Mode,Type,BaseAddress,*BaseAddress,Length,Attributes,Result);
MmLockMemoryAreaList(*BaseAddress,&oldlvl);
if ((*BaseAddress)==0)
{
*BaseAddress = MmFindGapWithoutLock(Mode,Length+(PAGESIZE*2));
if ((*BaseAddress)==0)
{
MmUnlockMemoryAreaList(*BaseAddress,&oldlvl);
return(STATUS_UNSUCCESSFUL);
}
(*BaseAddress)=(*BaseAddress)+PAGESIZE;
}
else
{
if (MmOpenMemoryAreaByRegionWithoutLock(*BaseAddress,Length)!=NULL)
{
MmUnlockMemoryAreaList(*BaseAddress,&oldlvl);
return(STATUS_UNSUCCESSFUL);
}
}
*Result = ExAllocatePool(NonPagedPool,sizeof(MEMORY_AREA));
RtlZeroMemory(*Result,sizeof(MEMORY_AREA));
(*Result)->Type=Type;
(*Result)->BaseAddress=*BaseAddress;
(*Result)->Length=Length;
(*Result)->Attributes=Attributes;
DPRINT("&SystemAreaList %x ",&SystemAreaList);
DPRINT("SystemAreaList.Flink %x ",SystemAreaList.Flink);
MmInsertMemoryAreaWithoutLock(*Result);
MmUnlockMemoryAreaList(*BaseAddress,&oldlvl);
DPRINT("SystemAreaList.Flink %x ",SystemAreaList.Flink);
DPRINT("(*Result)->Entry.Flink %x\n",(*Result)->Entry.Flink);
MmDumpMemoryAreas();
return(STATUS_SUCCESS);
}

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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: ntoskrnl/mm/special.c
* PURPOSE: Special types of memory region
* PROGRAMMER: David Welch (welch@mcmail.com)
* UPDATE HISTORY:
* Created 22/05/98
*/
/* INCLUDES *****************************************************************/
#include <ddk/ntddk.h>
#include <internal/mm.h>
#define NDEBUG
#include <internal/debug.h>
/* FUNCTIONS *****************************************************************/
PVOID MmAllocateSection(ULONG Length)
{
ULONG Result;
MEMORY_AREA* marea;
NTSTATUS Status;
ULONG i;
ULONG Attributes;
DPRINT("MmAllocateSection(Length %x)\n",Length);
Result = 0;
Status = MmCreateMemoryArea(KernelMode,
MEMORY_AREA_SYSTEM,
&Result,
Length,
0,
&marea);
if (Status!=STATUS_SUCCESS)
{
return(NULL);
}
CHECKPOINT;
Attributes = PA_WRITE | PA_READ | PA_EXECUTE | PA_SYSTEM;
for (i=0;i<=(Length/PAGESIZE);i++)
{
set_page(Result+(i*PAGESIZE),Attributes,get_free_page());
}
return((PVOID)Result);
}
PVOID MmAllocateContiguousMemory(ULONG NumberOfBytes,
PHYSICAL_ADDRESS HighestAcceptableAddress)
{
UNIMPLEMENTED;
}
VOID MmFreeContiguousMemory(PVOID BaseAddress)
{
UNIMPLEMENTED;
}
PVOID MmMapIoSpace(PHYSICAL_ADDRESS PhysicalAddress,
ULONG NumberOfBytes,
BOOLEAN CacheEnable)
{
ULONG Result;
MEMORY_AREA* marea;
NTSTATUS Status;
ULONG i;
ULONG Attributes;
Result=0;
Status = MmCreateMemoryArea(KernelMode,
MEMORY_AREA_IO_MAPPING,
&Result,
NumberOfBytes,
0,
&marea);
if (Status!=STATUS_SUCCESS)
{
return(NULL);
}
Attributes = PA_WRITE | PA_READ | PA_EXECUTE | PA_SYSTEM;
if (!CacheEnable)
{
Attributes = Attributes | PA_PWT | PA_PCD;
}
for (i=0;i<=(NumberOfBytes/PAGESIZE);i++)
{
set_page(Result+(i*PAGESIZE),Attributes,PhysicalAddress.LowPart);
}
return((PVOID)Result);
}
VOID MmUnmapIoSpace(PVOID BaseAddress, ULONG NumberOfBytes)
{
(void)MmFreeMemoryArea(BaseAddress,NumberOfBytes,FALSE);
}
PVOID MmAllocateNonCachedMemory(ULONG NumberOfBytes)
{
ULONG Result;
MEMORY_AREA* marea;
NTSTATUS Status;
ULONG i;
Result=0;
Status = MmCreateMemoryArea(KernelMode,
MEMORY_AREA_NO_CACHE,
&Result,
NumberOfBytes,
0,
&marea);
if (Status!=STATUS_SUCCESS)
{
return(NULL);
}
for (i=0;i<=(NumberOfBytes/PAGESIZE);i++)
{
set_page(Result+(i*PAGESIZE),
PA_WRITE | PA_READ | PA_EXECUTE | PA_SYSTEM | PA_PCD | PA_PWT,
get_free_page());
}
return((PVOID)Result);
}
VOID MmFreeNonCachedMemory(PVOID BaseAddress, ULONG NumberOfBytes)
{
MmFreeMemoryArea(BaseAddress,NumberOfBytes,TRUE);
}

37
reactos/ntoskrnl/ps/idle.c Normal file
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@ -0,0 +1,37 @@
/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: ntoskrnl/ke/bug.c
* PURPOSE: Graceful system shutdown if a bug is detected
* PROGRAMMER: David Welch (welch@mcmail.com)
* UPDATE HISTORY:
* Created 22/05/98
*/
/* INCLUDES *****************************************************************/
#include <ddk/ntddk.h>
#include <internal/debug.h>
/* GLOBALS *******************************************************************/
HANDLE IdleThreadHandle = NULL;
/* FUNCTIONS *****************************************************************/
static VOID PsIdleThreadMain(PVOID Context)
{
for(;;);
}
VOID PsInitIdleThread(VOID)
{
PsCreateSystemThread(&IdleThreadHandle,
0,
NULL,
NULL,
NULL,
PsIdleThreadMain,
NULL);
}