mirror of
https://github.com/reactos/reactos.git
synced 2024-12-27 09:34:43 +00:00
Initial revision
svn path=/trunk/; revision=28
This commit is contained in:
Rex Jolliff
parent
f29364e917
commit
bb9cc48934
11 changed files with 1004 additions and 0 deletions
18
reactos/include/ddk/ioctrl.h
Normal file
18
reactos/include/ddk/ioctrl.h
Normal file
|
|
@ -0,0 +1,18 @@
|
||||||
|
#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
10
reactos/include/ddk/ntdef.h
Normal file
|
|
@ -0,0 +1,10 @@
|
||||||
|
#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
159
reactos/include/ddk/status.h
Normal file
|
|
@ -0,0 +1,159 @@
|
||||||
|
#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
10
reactos/include/internal/hal.h
Normal file
|
|
@ -0,0 +1,10 @@
|
||||||
|
#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
71
reactos/include/internal/i386/hal.h
Normal file
|
|
@ -0,0 +1,71 @@
|
||||||
|
/*
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
|
||||||
|
#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
43
reactos/include/internal/ke.h
Normal file
|
|
@ -0,0 +1,43 @@
|
||||||
|
/*
|
||||||
|
* 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
|
||||||
89
reactos/include/internal/ntoskrnl.h
Normal file
89
reactos/include/internal/ntoskrnl.h
Normal file
|
|
@ -0,0 +1,89 @@
|
||||||
|
/*
|
||||||
|
* 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
33
reactos/ntoskrnl/ke/kernel.c
Normal file
|
|
@ -0,0 +1,33 @@
|
||||||
|
/*
|
||||||
|
* 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();
|
||||||
|
}
|
||||||
404
reactos/ntoskrnl/mm/marea.c
Normal file
404
reactos/ntoskrnl/mm/marea.c
Normal file
|
|
@ -0,0 +1,404 @@
|
||||||
|
/*
|
||||||
|
* 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);
|
||||||
|
}
|
||||||
130
reactos/ntoskrnl/mm/special.c
Normal file
130
reactos/ntoskrnl/mm/special.c
Normal file
|
|
@ -0,0 +1,130 @@
|
||||||
|
/*
|
||||||
|
* 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
37
reactos/ntoskrnl/ps/idle.c
Normal file
|
|
@ -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);
|
||||||
|
}
|
||||||
Loading…
Reference in a new issue