ReactOS 0.4.17-dev-1321-g5c122a9
Classes | Macros | Typedefs | Functions
ke.h File Reference

Go to the source code of this file.

Classes

struct  _KFLOATING_SAVE
 
struct  _KPCR_TIB
 
struct  _KPCR
 

Macros

#define PASSIVE_LEVEL   0
 
#define LOW_LEVEL   0
 
#define APC_LEVEL   1
 
#define DISPATCH_LEVEL   2
 
#define PROFILE_LEVEL   27
 
#define CLOCK1_LEVEL   28
 
#define CLOCK2_LEVEL   28
 
#define IPI_LEVEL   29
 
#define POWER_LEVEL   30
 
#define HIGH_LEVEL   31
 
#define PCR_MINOR_VERSION   1
 
#define PCR_MAJOR_VERSION   1
 
#define KeGetPcr()   PCR
 
#define YieldProcessor()   __asm__ __volatile__("nop");
 
#define KeLowerIrql(a)   KfLowerIrql(a)
 
#define KeRaiseIrql(a, b)   *(b) = KfRaiseIrql(a)
 

Typedefs

typedef ULONG PFN_NUMBER
 
typedef ULONG * PPFN_NUMBER
 
typedef LONG SPFN_NUMBER
 
typedef LONG * PSPFN_NUMBER
 
typedef struct _KFLOATING_SAVE KFLOATING_SAVE
 
typedef struct _KFLOATING_SAVE * PKFLOATING_SAVE
 
typedef struct _KPCR_TIB KPCR_TIB
 
typedef struct _KPCR_TIB * PKPCR_TIB
 
typedef struct _KPCR KPCR
 
typedef struct _KPCR * PKPCR
 

Functions

 $if (_WDMDDK_) typedef ULONG PFN_COUNT
 
FORCEINLINE ULONG NTAPI KeGetCurrentProcessorNumber (VOID)
 
NTHALAPI VOID FASTCALL KfLowerIrql (IN KIRQL NewIrql)
 
NTHALAPI KIRQL FASTCALL KfRaiseIrql (IN KIRQL NewIrql)
 
NTHALAPI KIRQL NTAPI KeRaiseIrqlToDpcLevel (VOID)
 
NTHALAPI KIRQL NTAPI KeRaiseIrqlToSynchLevel (VOID)
 

Macro Definition Documentation

◆ APC_LEVEL

#define APC_LEVEL   1

◆ CLOCK1_LEVEL

#define CLOCK1_LEVEL   28

◆ CLOCK2_LEVEL

#define CLOCK2_LEVEL   28

◆ DISPATCH_LEVEL

#define DISPATCH_LEVEL   2

◆ HIGH_LEVEL

#define HIGH_LEVEL   31

◆ IPI_LEVEL

#define IPI_LEVEL   29

◆ KeGetPcr

#define KeGetPcr ( )    PCR

Definition at line 64 of file ke.h.

◆ KeLowerIrql

#define KeLowerIrql (   a)    KfLowerIrql(a)

Definition at line 87 of file ke.h.

◆ KeRaiseIrql

#define KeRaiseIrql (   a,
  b 
)    *(b) = KfRaiseIrql(a)

Definition at line 94 of file ke.h.

◆ LOW_LEVEL

#define LOW_LEVEL   0

◆ PASSIVE_LEVEL

#define PASSIVE_LEVEL   0

◆ PCR_MAJOR_VERSION

#define PCR_MAJOR_VERSION   1

Definition at line 42 of file ke.h.

◆ PCR_MINOR_VERSION

#define PCR_MINOR_VERSION   1

Definition at line 41 of file ke.h.

◆ POWER_LEVEL

#define POWER_LEVEL   30

◆ PROFILE_LEVEL

#define PROFILE_LEVEL   27

◆ YieldProcessor

#define YieldProcessor ( )    __asm__ __volatile__("nop");

Definition at line 66 of file ke.h.

Typedef Documentation

◆ KFLOATING_SAVE

typedef struct _KFLOATING_SAVE KFLOATING_SAVE

◆ KPCR

typedef struct _KPCR KPCR

◆ KPCR_TIB

typedef struct _KPCR_TIB KPCR_TIB

◆ PFN_NUMBER

typedef ULONG PFN_NUMBER

Definition at line 20 of file ke.h.

◆ PKFLOATING_SAVE

typedef struct _KFLOATING_SAVE * PKFLOATING_SAVE

◆ PKPCR

typedef struct _KPCR * PKPCR

◆ PKPCR_TIB

typedef struct _KPCR_TIB * PKPCR_TIB

◆ PPFN_NUMBER

typedef ULONG * PPFN_NUMBER

Definition at line 20 of file ke.h.

◆ PSPFN_NUMBER

typedef LONG * PSPFN_NUMBER

Definition at line 21 of file ke.h.

◆ SPFN_NUMBER

typedef LONG SPFN_NUMBER

Definition at line 21 of file ke.h.

Function Documentation

◆ $if()

$if ( _WDMDDK_  )

Kernel definitions for PPC

Kernel definitions for AMD64

Kernel definitions for ARM

Kernel definitions for ARM64

Kernel definitions for AMD64

Kernel definitions for ARM

Kernel definitions for ARM64

Kernel definitions for x86

Definition at line 1 of file ke.h.

31{
32 ULONG Dummy;
33} KFLOATING_SAVE, *PKFLOATING_SAVE;
KFLOATING_SAVE
KFLOATING_SAVE
Definition: ke.h:33
PKFLOATING_SAVE
* PKFLOATING_SAVE
Definition: ke.h:33
ULONG
uint32_t ULONG
Definition: typedefs.h:59

◆ KeGetCurrentProcessorNumber()

FORCEINLINE ULONG NTAPI KeGetCurrentProcessorNumber ( VOID  )

Definition at line 71 of file ke.h.

72{
73 ULONG Number;
74 __asm__ __volatile__ (
75 "lwz %0, %c1(12)\n"
76 : "=r" (Number)
77 : "i" (FIELD_OFFSET(KPCR, Number))
78 );
79 return Number;
80}
Number
_In_ ULONG Number
Definition: haltypes.h:1940
__asm__
__asm__(".p2align 4, 0x90\n" ".seh_proc __seh2_global_filter_func\n" "__seh2_global_filter_func:\n" "\tsub %rbp, %rax\n" "\tpush %rbp\n" "\t.seh_pushreg %rbp\n" "\tpush %rbx\n" "\t.seh_pushreg %rbx\n" "\tpush %rdi\n" "\t.seh_pushreg %rdi\n" "\tpush %rsi\n" "\t.seh_pushreg %rsi\n" "\tpush %r12\n" "\t.seh_pushreg %r12\n" "\tpush %r13\n" "\t.seh_pushreg %r13\n" "\tpush %r14\n" "\t.seh_pushreg %r14\n" "\tpush %r15\n" "\t.seh_pushreg %r15\n" "\tsub $40, %rsp\n" "\t.seh_stackalloc 40\n" "\t.seh_endprologue\n" "\tsub %rax, %rdx\n" "\tmov %rdx, %rbp\n" "\tjmp *%r8\n" "__seh2_global_filter_func_exit:\n" "\t.p2align 4\n" "\tadd $40, %rsp\n" "\tpop %r15\n" "\tpop %r14\n" "\tpop %r13\n" "\tpop %r12\n" "\tpop %rsi\n" "\tpop %rdi\n" "\tpop %rbx\n" "\tpop %rbp\n" "\tret\n" "\t.seh_endproc")
_KPCR
Definition: ke.h:294
FIELD_OFFSET
#define FIELD_OFFSET(t, f)
Definition: typedefs.h:255

◆ KeRaiseIrqlToDpcLevel()

NTHALAPI KIRQL NTAPI KeRaiseIrqlToDpcLevel ( VOID  )

Definition at line 133 of file pic.c.

134{
135 PKPCR Pcr = KeGetPcr();
136 KIRQL CurrentIrql;
137
138 /* Save and update IRQL */
139 CurrentIrql = Pcr->Irql;
140 Pcr->Irql = DISPATCH_LEVEL;
141
142#ifdef IRQL_DEBUG
143 /* Validate correct raise */
144 if (CurrentIrql > DISPATCH_LEVEL) KeBugCheck(IRQL_NOT_GREATER_OR_EQUAL);
145#endif
146
147 /* Return the previous value */
148 return CurrentIrql;
149}
KeBugCheck
DECLSPEC_NORETURN VOID NTAPI KeBugCheck(ULONG BugCheckCode)
Definition: bug.c:1434
KIRQL
UCHAR KIRQL
Definition: env_spec_w32.h:591
DISPATCH_LEVEL
#define DISPATCH_LEVEL
Definition: env_spec_w32.h:696
KeGetPcr
#define KeGetPcr()
Definition: ketypes.h:81
_KPCR::Irql
KIRQL Irql
Definition: ke.h:311

◆ KeRaiseIrqlToSynchLevel()

NTHALAPI KIRQL NTAPI KeRaiseIrqlToSynchLevel ( VOID  )

Definition at line 156 of file pic.c.

157{
158 PKPCR Pcr = KeGetPcr();
159 KIRQL CurrentIrql;
160
161 /* Save and update IRQL */
162 CurrentIrql = Pcr->Irql;
163 Pcr->Irql = SYNCH_LEVEL;
164
165#ifdef IRQL_DEBUG
166 /* Validate correct raise */
167 if (CurrentIrql > SYNCH_LEVEL)
168 {
169 /* Crash system */
170 KeBugCheckEx(IRQL_NOT_GREATER_OR_EQUAL,
171 CurrentIrql,
172 SYNCH_LEVEL,
173 0,
174 1);
175 }
176#endif
177
178 /* Return the previous value */
179 return CurrentIrql;
180}
KeBugCheckEx
DECLSPEC_NORETURN VOID NTAPI KeBugCheckEx(IN ULONG BugCheckCode, IN ULONG_PTR BugCheckParameter1, IN ULONG_PTR BugCheckParameter2, IN ULONG_PTR BugCheckParameter3, IN ULONG_PTR BugCheckParameter4)
Definition: debug.c:485
SYNCH_LEVEL
#define SYNCH_LEVEL
Definition: env_spec_w32.h:704

◆ KfLowerIrql()

NTHALAPI VOID FASTCALL KfLowerIrql ( IN KIRQL  NewIrql)

Definition at line 232 of file pic.c.

233{
234 ARM_STATUS_REGISTER Flags;
235 PKPCR Pcr = KeGetPcr();
236 ULONG InterruptMask;
237
238 /* Disableinterrupts */
239 Flags = KeArmStatusRegisterGet();
240 _disable();
241
242#ifdef IRQL_DEBUG
243 /* Validate correct lower */
244 if (OldIrql > Pcr->Irql)
245 {
246 /* Crash system */
247 Pcr->Irql = HIGH_LEVEL;
248 KeBugCheck(IRQL_NOT_LESS_OR_EQUAL);
249 }
250#endif
251
252 /* Clear interrupts associated to the old IRQL */
253 WRITE_REGISTER_ULONG(VIC_INT_CLEAR, 0xFFFFFFFF);
254
255 /* Set the new interrupt mask */
256 InterruptMask = Pcr->IrqlTable[NewIrql];
257 WRITE_REGISTER_ULONG(VIC_INT_ENABLE, InterruptMask);
258
259 /* Save the new IRQL and restore interrupt state */
260 Pcr->Irql = NewIrql;
261 if (!Flags.IrqDisable) _enable();
262}
KeArmStatusRegisterGet
FORCEINLINE ARM_STATUS_REGISTER KeArmStatusRegisterGet(VOID)
Definition: intrin_i.h:122
WRITE_REGISTER_ULONG
#define WRITE_REGISTER_ULONG(r, v)
Definition: arm.h:11
Flags
_In_ D3DDDI_VIDEO_PRESENT_TARGET_ID _In_ ULONG _In_ ULONG Flags
Definition: dispmprt.h:245
HIGH_LEVEL
#define HIGH_LEVEL
Definition: env_spec_w32.h:703
VIC_INT_ENABLE
#define VIC_INT_ENABLE
Definition: pl190.h:17
VIC_INT_CLEAR
#define VIC_INT_CLEAR
Definition: pl190.h:18
_disable
void __cdecl _disable(void)
Definition: intrin_arm.h:365
_enable
void __cdecl _enable(void)
Definition: intrin_arm.h:373
NewIrql
_Requires_lock_held_ SpinLock _Releases_lock_ SpinLock _In_ _IRQL_restores_ KIRQL NewIrql
Definition: ke.h:114
_ARM_STATUS_REGISTER
Definition: ketypes.h:454
OldIrql
_Requires_lock_held_ Interrupt _Releases_lock_ Interrupt _In_ _IRQL_restores_ KIRQL OldIrql
Definition: kefuncs.h:778

Referenced by HalpGrowMapBufferWorker(), KeLowerIrql(), KeQueryPerformanceCounter(), KeReleaseInStackQueuedSpinLock(), KeReleaseQueuedSpinLock(), KiChainedDispatch(), KiCheckForApcDelivery(), KiExitV86Trap(), KiInitializeSystem(), and KiThreadStartup().

◆ KfRaiseIrql()

NTHALAPI KIRQL FASTCALL KfRaiseIrql ( IN KIRQL  NewIrql)

Definition at line 187 of file pic.c.

188{
189 ARM_STATUS_REGISTER Flags;
190 PKPCR Pcr = KeGetPcr();
191 KIRQL CurrentIrql;
192 ULONG InterruptMask;
193
194 /* Disable interrupts */
195 Flags = KeArmStatusRegisterGet();
196 _disable();
197
198 /* Read current IRQL */
199 CurrentIrql = Pcr->Irql;
200
201#ifdef IRQL_DEBUG
202 /* Validate correct raise */
203 if (CurrentIrql > NewIrql)
204 {
205 /* Crash system */
206 Pcr->Irql = PASSIVE_LEVEL;
207 KeBugCheck(IRQL_NOT_GREATER_OR_EQUAL);
208 }
209#endif
210 /* Clear interrupts associated to the old IRQL */
211 WRITE_REGISTER_ULONG(VIC_INT_CLEAR, 0xFFFFFFFF);
212
213 /* Set the new interrupt mask */
214 InterruptMask = Pcr->IrqlTable[NewIrql];
215 WRITE_REGISTER_ULONG(VIC_INT_ENABLE, InterruptMask);
216
217 /* Set new IRQL */
218 Pcr->Irql = NewIrql;
219
220 /* Restore interrupt state */
221 if (!Flags.IrqDisable) _enable();
222
223 /* Return old IRQL */
224 return CurrentIrql;
225}
PASSIVE_LEVEL
#define PASSIVE_LEVEL
Definition: env_spec_w32.h:693

Referenced by _IRQL_requires_max_(), _Requires_lock_not_held_(), HalInitSystem(), HalpGrowMapBufferWorker(), KeAcquireInStackQueuedSpinLock(), KeAcquireInStackQueuedSpinLockRaiseToSynch(), KeAcquireQueuedSpinLock(), KeAcquireQueuedSpinLockRaiseToSynch(), KeAcquireSpinLockRaiseToSynch(), KeQueryPerformanceCounter(), KeRaiseIrql(), KeRaiseIrqlToDpcLevel(), KeRaiseIrqlToSynchLevel(), KeSynchronizeExecution(), KfAcquireSpinLock(), KiAcquireDispatcherLock(), KiChainedDispatch(), KiCheckForApcDelivery(), KiExitV86Trap(), KiIdleLoop(), KiInitializeKernel(), KiInitializeSystem(), KiInterruptHandler(), KiSystemStartup(), KiSystemStartupBootStack(), KxRaiseIrql(), PortPdoAfterBuildingScatterGatherList(), and PortPdoIssueRequest().