Ros-diffs December 2023

ros-diffs@reactos.org

20 participants
274 discussions

[reactos] 06/11: [NTOS:KE/x64] (Re)move initialization of IRQL and TR

by Timo Kreuzer

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=e65559460913f1dc41f5d… commit e65559460913f1dc41f5d33f671aa6353bb3e7b0 Author: Timo Kreuzer <timo.kreuzer(a)reactos.org> AuthorDate: Sat Dec 2 16:37:44 2023 +0200 Commit: Timo Kreuzer <timo.kreuzer(a)reactos.org> CommitDate: Fri Dec 8 20:16:51 2023 +0200 [NTOS:KE/x64] (Re)move initialization of IRQL and TR --- ntoskrnl/ke/amd64/kiinit.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/ntoskrnl/ke/amd64/kiinit.c b/ntoskrnl/ke/amd64/kiinit.c index c6810ef1253..999b09b4fbe 100644 --- a/ntoskrnl/ke/amd64/kiinit.c +++ b/ntoskrnl/ke/amd64/kiinit.c @@ -162,7 +162,6 @@ KiInitializePcr(IN PKIPCR Pcr, /* Start us out at PASSIVE_LEVEL */ Pcr->Irql = PASSIVE_LEVEL; - KeSetCurrentIrql(PASSIVE_LEVEL); } VOID @@ -240,6 +239,8 @@ KiInitializeCpu(PKIPCR Pcr) /* Initialize MXCSR */ _mm_setcsr(INITIAL_MXCSR); + + KeSetCurrentIrql(PASSIVE_LEVEL); } static @@ -276,9 +277,6 @@ KiInitializeTss( /* Setup a stack for NMI Traps */ Tss->Ist[3] = (ULONG64)NmiStack; - - /* Load the task register */ - __ltr(KGDT64_SYS_TSS); } CODE_SEG("INIT")

1 year

[reactos] 05/11: [NTOS:KE/x64] Move Initialization of TSS

by Timo Kreuzer

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=0a7255e4bf999b9d1e80f… commit 0a7255e4bf999b9d1e80fb79bddc2acebc607e4a Author: Timo Kreuzer <timo.kreuzer(a)reactos.org> AuthorDate: Sat Dec 2 16:35:16 2023 +0200 Commit: Timo Kreuzer <timo.kreuzer(a)reactos.org> CommitDate: Fri Dec 8 20:16:51 2023 +0200 [NTOS:KE/x64] Move Initialization of TSS --- ntoskrnl/ke/amd64/kiinit.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/ntoskrnl/ke/amd64/kiinit.c b/ntoskrnl/ke/amd64/kiinit.c index 441f5cf9433..c6810ef1253 100644 --- a/ntoskrnl/ke/amd64/kiinit.c +++ b/ntoskrnl/ke/amd64/kiinit.c @@ -446,6 +446,13 @@ KiSystemStartup(IN PLOADER_PARAMETER_BLOCK LoaderBlock) /* Initialize the PCR */ KiInitializePcr(&KiInitialPcr, 0, &KiInitialThread.Tcb, KiP0DoubleFaultStack); + + /* Setup the TSS descriptors and entries */ + KiInitializeTss(&KiInitialPcr, + KiInitialPcr.TssBase, + KiP0BootStack, + KiP0DoubleFaultStack, + KiP0DoubleFaultStack); } /* Get Pcr from loader block */ @@ -473,13 +480,6 @@ KiSystemStartup(IN PLOADER_PARAMETER_BLOCK LoaderBlock) /* Initialize the module list (ntos, hal, kdcom) */ KiInitModuleList(LoaderBlock); - /* Setup the TSS descriptors and entries */ - KiInitializeTss(Pcr, - Pcr->TssBase, - (PVOID)InitialStack, - KiP0DoubleFaultStack, - KiP0DoubleFaultStack); - /* Setup the IDT */ KeInitExceptions();

1 year

[reactos] 04/11: [NTOS:KE/x64] Move initialization of PCR

by Timo Kreuzer

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=160980aba1abc89545889… commit 160980aba1abc89545889e49206454dd55fe7e86 Author: Timo Kreuzer <timo.kreuzer(a)reactos.org> AuthorDate: Sat Dec 2 16:32:20 2023 +0200 Commit: Timo Kreuzer <timo.kreuzer(a)reactos.org> CommitDate: Fri Dec 8 20:16:51 2023 +0200 [NTOS:KE/x64] Move initialization of PCR --- ntoskrnl/ke/amd64/kiinit.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/ntoskrnl/ke/amd64/kiinit.c b/ntoskrnl/ke/amd64/kiinit.c index 3eb576178ac..441f5cf9433 100644 --- a/ntoskrnl/ke/amd64/kiinit.c +++ b/ntoskrnl/ke/amd64/kiinit.c @@ -443,6 +443,9 @@ KiSystemStartup(IN PLOADER_PARAMETER_BLOCK LoaderBlock) LoaderBlock->Thread = (ULONG_PTR)&KiInitialThread; LoaderBlock->Process = (ULONG_PTR)&KiInitialProcess.Pcb; LoaderBlock->Prcb = (ULONG_PTR)&KiInitialPcr.Prcb; + + /* Initialize the PCR */ + KiInitializePcr(&KiInitialPcr, 0, &KiInitialThread.Tcb, KiP0DoubleFaultStack); } /* Get Pcr from loader block */ @@ -461,9 +464,6 @@ KiSystemStartup(IN PLOADER_PARAMETER_BLOCK LoaderBlock) /* Set us as the current process */ InitialThread->ApcState.Process = (PVOID)LoaderBlock->Process; - /* Initialize the PCR */ - KiInitializePcr(Pcr, Cpu, InitialThread, KiP0DoubleFaultStack); - /* Initialize the CPU features */ KiInitializeCpu(Pcr);

1 year

[reactos] 03/11: [NTOS:KE/x64] Move initialization of KeLoaderBlock

by Timo Kreuzer

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=ba62dd0aaa24ebf4715e8… commit ba62dd0aaa24ebf4715e85a608d96f9bbd488992 Author: Timo Kreuzer <timo.kreuzer(a)reactos.org> AuthorDate: Sat Dec 2 16:29:59 2023 +0200 Commit: Timo Kreuzer <timo.kreuzer(a)reactos.org> CommitDate: Fri Dec 8 20:16:51 2023 +0200 [NTOS:KE/x64] Move initialization of KeLoaderBlock --- ntoskrnl/ke/amd64/kiinit.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/ntoskrnl/ke/amd64/kiinit.c b/ntoskrnl/ke/amd64/kiinit.c index 3f7703c8680..3eb576178ac 100644 --- a/ntoskrnl/ke/amd64/kiinit.c +++ b/ntoskrnl/ke/amd64/kiinit.c @@ -429,15 +429,15 @@ KiSystemStartup(IN PLOADER_PARAMETER_BLOCK LoaderBlock) FrLdrDbgPrint = LoaderBlock->u.I386.CommonDataArea; //FrLdrDbgPrint("Hello from KiSystemStartup!!!\n"); - /* Save the loader block */ - KeLoaderBlock = LoaderBlock; - /* Get the current CPU number */ Cpu = KeNumberProcessors++; // FIXME /* LoaderBlock initialization for Cpu 0 */ if (Cpu == 0) { + /* Save the loader block */ + KeLoaderBlock = LoaderBlock; + /* Set the initial stack, idle thread and process */ LoaderBlock->KernelStack = (ULONG_PTR)KiP0BootStack; LoaderBlock->Thread = (ULONG_PTR)&KiInitialThread;

1 year

[reactos] 02/11: [NTOS:KE/x64] Improve KiInitializeTss

by Timo Kreuzer

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=e1497d43d7dd0e363fe28… commit e1497d43d7dd0e363fe280ed92b4823e4c318323 Author: Timo Kreuzer <timo.kreuzer(a)reactos.org> AuthorDate: Sat Dec 2 13:24:28 2023 +0200 Commit: Timo Kreuzer <timo.kreuzer(a)reactos.org> CommitDate: Fri Dec 8 20:16:51 2023 +0200 [NTOS:KE/x64] Improve KiInitializeTss --- ntoskrnl/include/internal/amd64/ke.h | 2 -- ntoskrnl/ke/amd64/kiinit.c | 26 +++++++++++++++++--------- 2 files changed, 17 insertions(+), 11 deletions(-) diff --git a/ntoskrnl/include/internal/amd64/ke.h b/ntoskrnl/include/internal/amd64/ke.h index b44cffbfd94..f54f33037d9 100644 --- a/ntoskrnl/include/internal/amd64/ke.h +++ b/ntoskrnl/include/internal/amd64/ke.h @@ -385,8 +385,6 @@ Ki386PerfEnd(VOID) struct _KPCR; -//VOID KiInitializeTss(IN PKTSS Tss, IN UINT64 Stack); - DECLSPEC_NORETURN VOID KiSwitchToBootStack(IN ULONG_PTR InitialStack); VOID KiDivideErrorFault(VOID); VOID KiDebugTrapOrFault(VOID); diff --git a/ntoskrnl/ke/amd64/kiinit.c b/ntoskrnl/ke/amd64/kiinit.c index be33e65b4ec..3f7703c8680 100644 --- a/ntoskrnl/ke/amd64/kiinit.c +++ b/ntoskrnl/ke/amd64/kiinit.c @@ -242,15 +242,19 @@ KiInitializeCpu(PKIPCR Pcr) _mm_setcsr(INITIAL_MXCSR); } +static VOID -FASTCALL -KiInitializeTss(IN PKTSS64 Tss, - IN UINT64 Stack) +KiInitializeTss( + _In_ PKIPCR Pcr, + _Out_ PKTSS64 Tss, + _In_ PVOID InitialStack, + _In_ PVOID DoubleFaultStack, + _In_ PVOID NmiStack) { PKGDTENTRY64 TssEntry; /* Get pointer to the GDT entry */ - TssEntry = KiGetGdtEntry(KeGetPcr()->GdtBase, KGDT64_SYS_TSS); + TssEntry = KiGetGdtEntry(Pcr->GdtBase, KGDT64_SYS_TSS); /* Initialize the GDT entry */ KiInitGdtEntry(TssEntry, (ULONG64)Tss, sizeof(KTSS64), AMD64_TSS, 0); @@ -262,16 +266,16 @@ KiInitializeTss(IN PKTSS64 Tss, Tss->IoMapBase = 0x68; /* Setup ring 0 stack pointer */ - Tss->Rsp0 = Stack; + Tss->Rsp0 = (ULONG64)InitialStack; /* Setup a stack for Double Fault Traps */ - Tss->Ist[1] = (ULONG64)KiP0DoubleFaultStack; + Tss->Ist[1] = (ULONG64)DoubleFaultStack; /* Setup a stack for CheckAbort Traps */ - Tss->Ist[2] = (ULONG64)KiP0DoubleFaultStack; + Tss->Ist[2] = (ULONG64)DoubleFaultStack; /* Setup a stack for NMI Traps */ - Tss->Ist[3] = (ULONG64)KiP0DoubleFaultStack; + Tss->Ist[3] = (ULONG64)NmiStack; /* Load the task register */ __ltr(KGDT64_SYS_TSS); @@ -470,7 +474,11 @@ KiSystemStartup(IN PLOADER_PARAMETER_BLOCK LoaderBlock) KiInitModuleList(LoaderBlock); /* Setup the TSS descriptors and entries */ - KiInitializeTss(Pcr->TssBase, InitialStack); + KiInitializeTss(Pcr, + Pcr->TssBase, + (PVOID)InitialStack, + KiP0DoubleFaultStack, + KiP0DoubleFaultStack); /* Setup the IDT */ KeInitExceptions();

1 year

[reactos] 01/11: [NTOS:KE/x64] Rename P0 boot stacks

by Timo Kreuzer

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=bbe16859b58c882d821ae… commit bbe16859b58c882d821aea6f17970091bcb28d3b Author: Timo Kreuzer <timo.kreuzer(a)reactos.org> AuthorDate: Sat Dec 2 13:24:28 2023 +0200 Commit: Timo Kreuzer <timo.kreuzer(a)reactos.org> CommitDate: Fri Dec 8 20:16:51 2023 +0200 [NTOS:KE/x64] Rename P0 boot stacks --- ntoskrnl/ke/amd64/kiinit.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/ntoskrnl/ke/amd64/kiinit.c b/ntoskrnl/ke/amd64/kiinit.c index 6d6ffbd3f2a..be33e65b4ec 100644 --- a/ntoskrnl/ke/amd64/kiinit.c +++ b/ntoskrnl/ke/amd64/kiinit.c @@ -29,10 +29,10 @@ KSPIN_LOCK KiFreezeExecutionLock; KIPCR KiInitialPcr; /* Boot and double-fault/NMI/DPC stack */ -UCHAR DECLSPEC_ALIGN(16) P0BootStackData[KERNEL_STACK_SIZE] = {0}; -UCHAR DECLSPEC_ALIGN(16) KiDoubleFaultStackData[KERNEL_STACK_SIZE] = {0}; -ULONG_PTR P0BootStack = (ULONG_PTR)&P0BootStackData[KERNEL_STACK_SIZE]; -ULONG_PTR KiDoubleFaultStack = (ULONG_PTR)&KiDoubleFaultStackData[KERNEL_STACK_SIZE]; +UCHAR DECLSPEC_ALIGN(16) KiP0BootStackData[KERNEL_STACK_SIZE] = {0}; +UCHAR DECLSPEC_ALIGN(16) KiP0DoubleFaultStackData[KERNEL_STACK_SIZE] = {0}; +PVOID KiP0BootStack = &KiP0BootStackData[KERNEL_STACK_SIZE]; +PVOID KiP0DoubleFaultStack = &KiP0DoubleFaultStackData[KERNEL_STACK_SIZE]; ULONGLONG BootCycles, BootCyclesEnd; @@ -265,13 +265,13 @@ KiInitializeTss(IN PKTSS64 Tss, Tss->Rsp0 = Stack; /* Setup a stack for Double Fault Traps */ - Tss->Ist[1] = (ULONG64)KiDoubleFaultStack; + Tss->Ist[1] = (ULONG64)KiP0DoubleFaultStack; /* Setup a stack for CheckAbort Traps */ - Tss->Ist[2] = (ULONG64)KiDoubleFaultStack; + Tss->Ist[2] = (ULONG64)KiP0DoubleFaultStack; /* Setup a stack for NMI Traps */ - Tss->Ist[3] = (ULONG64)KiDoubleFaultStack; + Tss->Ist[3] = (ULONG64)KiP0DoubleFaultStack; /* Load the task register */ __ltr(KGDT64_SYS_TSS); @@ -435,7 +435,7 @@ KiSystemStartup(IN PLOADER_PARAMETER_BLOCK LoaderBlock) if (Cpu == 0) { /* Set the initial stack, idle thread and process */ - LoaderBlock->KernelStack = (ULONG_PTR)P0BootStack; + LoaderBlock->KernelStack = (ULONG_PTR)KiP0BootStack; LoaderBlock->Thread = (ULONG_PTR)&KiInitialThread; LoaderBlock->Process = (ULONG_PTR)&KiInitialProcess.Pcb; LoaderBlock->Prcb = (ULONG_PTR)&KiInitialPcr.Prcb; @@ -458,7 +458,7 @@ KiSystemStartup(IN PLOADER_PARAMETER_BLOCK LoaderBlock) InitialThread->ApcState.Process = (PVOID)LoaderBlock->Process; /* Initialize the PCR */ - KiInitializePcr(Pcr, Cpu, InitialThread, (PVOID)KiDoubleFaultStack); + KiInitializePcr(Pcr, Cpu, InitialThread, KiP0DoubleFaultStack); /* Initialize the CPU features */ KiInitializeCpu(Pcr);

1 year

[reactos] 02/02: [NTOS:KE/x64] Add back a stubs.c file

by Timo Kreuzer

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=6c5b3f203d3a1e6687d92… commit 6c5b3f203d3a1e6687d92653ba630a1c73556f3c Author: Timo Kreuzer <timo.kreuzer(a)reactos.org> AuthorDate: Wed Dec 6 10:49:06 2023 +0200 Commit: Timo Kreuzer <timo.kreuzer(a)reactos.org> CommitDate: Fri Dec 8 19:38:59 2023 +0200 [NTOS:KE/x64] Add back a stubs.c file --- ntoskrnl/ke/amd64/stubs.c | 195 ++++++++++++++++++++++++++++++++++++++++ ntoskrnl/ke/amd64/traphandler.c | 185 +------------------------------------- ntoskrnl/ntos.cmake | 1 + 3 files changed, 197 insertions(+), 184 deletions(-) diff --git a/ntoskrnl/ke/amd64/stubs.c b/ntoskrnl/ke/amd64/stubs.c new file mode 100644 index 00000000000..cb2d4a37248 --- /dev/null +++ b/ntoskrnl/ke/amd64/stubs.c @@ -0,0 +1,195 @@ +/* + * PROJECT: ReactOS Kernel + * LICENSE: GPL - See COPYING in the top level directory + * PURPOSE: stubs + * PROGRAMMERS: Timo Kreuzer (timo.kreuzer(a)reactos.org) + */ + +/* INCLUDES ******************************************************************/ + +#include <ntoskrnl.h> + +#define NDEBUG +#include <debug.h> + +/* GLOBALS *******************************************************************/ + +ULONG ProcessCount; +SIZE_T KeXStateLength = sizeof(XSAVE_FORMAT); + +PVOID +KiSwitchKernelStackHelper( + LONG_PTR StackOffset, + PVOID OldStackBase); + +/* + * Kernel stack layout (example pointers): + * 0xFFFFFC0F'2D008000 KTHREAD::StackBase + * [XSAVE_AREA size == KeXStateLength = 0x440] + * 0xFFFFFC0F'2D007BC0 KTHREAD::StateSaveArea _XSAVE_FORMAT + * 0xFFFFFC0F'2D007B90 KTHREAD::InitialStack + * [0x190 bytes KTRAP_FRAME] + * 0xFFFFFC0F'2D007A00 KTHREAD::TrapFrame + * [KSTART_FRAME] or ... + * [KSWITCH_FRAME] + * 0xFFFFFC0F'2D007230 KTHREAD::KernelStack + */ + +PVOID +NTAPI +KiSwitchKernelStack(PVOID StackBase, PVOID StackLimit) +{ + PKTHREAD CurrentThread; + PVOID OldStackBase; + LONG_PTR StackOffset; + SIZE_T StackSize; + PKIPCR Pcr; + ULONG Eflags; + + /* Get the current thread */ + CurrentThread = KeGetCurrentThread(); + + /* Save the old stack base */ + OldStackBase = CurrentThread->StackBase; + + /* Get the size of the current stack */ + StackSize = (ULONG_PTR)CurrentThread->StackBase - CurrentThread->StackLimit; + ASSERT(StackSize <= (ULONG_PTR)StackBase - (ULONG_PTR)StackLimit); + + /* Copy the current stack contents to the new stack */ + RtlCopyMemory((PUCHAR)StackBase - StackSize, + (PVOID)CurrentThread->StackLimit, + StackSize); + + /* Calculate the offset between the old and the new stack */ + StackOffset = (PUCHAR)StackBase - (PUCHAR)CurrentThread->StackBase; + + /* Disable interrupts while messing with the stack */ + Eflags = __readeflags(); + _disable(); + + /* Set the new trap frame */ + CurrentThread->TrapFrame = (PKTRAP_FRAME)Add2Ptr(CurrentThread->TrapFrame, + StackOffset); + + /* Set the new initial stack */ + CurrentThread->InitialStack = Add2Ptr(CurrentThread->InitialStack, + StackOffset); + + /* Set the new stack limits */ + CurrentThread->StackBase = StackBase; + CurrentThread->StackLimit = (ULONG_PTR)StackLimit; + CurrentThread->LargeStack = TRUE; + + /* Adjust RspBase in the PCR */ + Pcr = (PKIPCR)KeGetPcr(); + Pcr->Prcb.RspBase += StackOffset; + + /* Adjust Rsp0 in the TSS */ + Pcr->TssBase->Rsp0 += StackOffset; + + /* Restore interrupts */ + __writeeflags(Eflags); + + return OldStackBase; +} + +DECLSPEC_NORETURN +VOID +KiIdleLoop(VOID) +{ + PKPRCB Prcb = KeGetCurrentPrcb(); + PKTHREAD OldThread, NewThread; + + /* Now loop forever */ + while (TRUE) + { + /* Start of the idle loop: disable interrupts */ + _enable(); + YieldProcessor(); + YieldProcessor(); + _disable(); + + /* Check for pending timers, pending DPCs, or pending ready threads */ + if ((Prcb->DpcData[0].DpcQueueDepth) || + (Prcb->TimerRequest) || + (Prcb->DeferredReadyListHead.Next)) + { + /* Quiesce the DPC software interrupt */ + HalClearSoftwareInterrupt(DISPATCH_LEVEL); + + /* Handle it */ + KiRetireDpcList(Prcb); + } + + /* Check if a new thread is scheduled for execution */ + if (Prcb->NextThread) + { + /* Enable interrupts */ + _enable(); + + /* Capture current thread data */ + OldThread = Prcb->CurrentThread; + NewThread = Prcb->NextThread; + + /* Set new thread data */ + Prcb->NextThread = NULL; + Prcb->CurrentThread = NewThread; + + /* The thread is now running */ + NewThread->State = Running; + + /* Do the swap at SYNCH_LEVEL */ + KfRaiseIrql(SYNCH_LEVEL); + + /* Switch away from the idle thread */ + KiSwapContext(APC_LEVEL, OldThread); + + /* Go back to DISPATCH_LEVEL */ + KeLowerIrql(DISPATCH_LEVEL); + } + else + { + /* Continue staying idle. Note the HAL returns with interrupts on */ + Prcb->PowerState.IdleFunction(&Prcb->PowerState); + } + } +} + +VOID +NTAPI +KiSwapProcess(IN PKPROCESS NewProcess, + IN PKPROCESS OldProcess) +{ + PKIPCR Pcr = (PKIPCR)KeGetPcr(); + +#ifdef CONFIG_SMP + /* Update active processor mask */ + InterlockedXor64((PLONG64)&NewProcess->ActiveProcessors, Pcr->Prcb.SetMember); + InterlockedXor64((PLONG64)&OldProcess->ActiveProcessors, Pcr->Prcb.SetMember); +#endif + + /* Update CR3 */ + __writecr3(NewProcess->DirectoryTableBase[0]); + + /* Update IOPM offset */ + Pcr->TssBase->IoMapBase = NewProcess->IopmOffset; +} + +NTSTATUS +NTAPI +NtSetLdtEntries(ULONG Selector1, LDT_ENTRY LdtEntry1, ULONG Selector2, LDT_ENTRY LdtEntry2) +{ + UNIMPLEMENTED; + __debugbreak(); + return STATUS_UNSUCCESSFUL; +} + +NTSTATUS +NTAPI +NtVdmControl(IN ULONG ControlCode, + IN PVOID ControlData) +{ + /* Not supported */ + return STATUS_NOT_IMPLEMENTED; +} diff --git a/ntoskrnl/ke/amd64/traphandler.c b/ntoskrnl/ke/amd64/traphandler.c index 7933d2c1cf9..2b67b07d7b8 100644 --- a/ntoskrnl/ke/amd64/traphandler.c +++ b/ntoskrnl/ke/amd64/traphandler.c @@ -1,21 +1,17 @@ /* * PROJECT: ReactOS Kernel * LICENSE: GPL - See COPYING in the top level directory - * PURPOSE: stubs + * PURPOSE: x64 trap handlers * PROGRAMMERS: Timo Kreuzer (timo.kreuzer(a)reactos.org) */ /* INCLUDES ******************************************************************/ #include <ntoskrnl.h> -#include <fltkernel.h> #define NDEBUG #include <debug.h> -ULONG ProcessCount; -SIZE_T KeXStateLength = sizeof(XSAVE_FORMAT); - VOID KiRetireDpcListInDpcStack( PKPRCB Prcb, @@ -88,165 +84,6 @@ KiDpcInterruptHandler(VOID) KeLowerIrql(OldIrql); } -PVOID -KiSwitchKernelStackHelper( - LONG_PTR StackOffset, - PVOID OldStackBase); - -/* - * Kernel stack layout (example pointers): - * 0xFFFFFC0F'2D008000 KTHREAD::StackBase - * [XSAVE_AREA size == KeXStateLength = 0x440] - * 0xFFFFFC0F'2D007BC0 KTHREAD::StateSaveArea _XSAVE_FORMAT - * 0xFFFFFC0F'2D007B90 KTHREAD::InitialStack - * [0x190 bytes KTRAP_FRAME] - * 0xFFFFFC0F'2D007A00 KTHREAD::TrapFrame - * [KSTART_FRAME] or ... - * [KSWITCH_FRAME] - * 0xFFFFFC0F'2D007230 KTHREAD::KernelStack - */ - -PVOID -NTAPI -KiSwitchKernelStack(PVOID StackBase, PVOID StackLimit) -{ - PKTHREAD CurrentThread; - PVOID OldStackBase; - LONG_PTR StackOffset; - SIZE_T StackSize; - PKIPCR Pcr; - ULONG Eflags; - - /* Get the current thread */ - CurrentThread = KeGetCurrentThread(); - - /* Save the old stack base */ - OldStackBase = CurrentThread->StackBase; - - /* Get the size of the current stack */ - StackSize = (ULONG_PTR)CurrentThread->StackBase - CurrentThread->StackLimit; - ASSERT(StackSize <= (ULONG_PTR)StackBase - (ULONG_PTR)StackLimit); - - /* Copy the current stack contents to the new stack */ - RtlCopyMemory((PUCHAR)StackBase - StackSize, - (PVOID)CurrentThread->StackLimit, - StackSize); - - /* Calculate the offset between the old and the new stack */ - StackOffset = (PUCHAR)StackBase - (PUCHAR)CurrentThread->StackBase; - - /* Disable interrupts while messing with the stack */ - Eflags = __readeflags(); - _disable(); - - /* Set the new trap frame */ - CurrentThread->TrapFrame = (PKTRAP_FRAME)Add2Ptr(CurrentThread->TrapFrame, - StackOffset); - - /* Set the new initial stack */ - CurrentThread->InitialStack = Add2Ptr(CurrentThread->InitialStack, - StackOffset); - - /* Set the new stack limits */ - CurrentThread->StackBase = StackBase; - CurrentThread->StackLimit = (ULONG_PTR)StackLimit; - CurrentThread->LargeStack = TRUE; - - /* Adjust RspBase in the PCR */ - Pcr = (PKIPCR)KeGetPcr(); - Pcr->Prcb.RspBase += StackOffset; - - /* Adjust Rsp0 in the TSS */ - Pcr->TssBase->Rsp0 += StackOffset; - - /* Restore interrupts */ - __writeeflags(Eflags); - - return OldStackBase; -} - -DECLSPEC_NORETURN -VOID -KiIdleLoop(VOID) -{ - PKPRCB Prcb = KeGetCurrentPrcb(); - PKTHREAD OldThread, NewThread; - - /* Now loop forever */ - while (TRUE) - { - /* Start of the idle loop: disable interrupts */ - _enable(); - YieldProcessor(); - YieldProcessor(); - _disable(); - - /* Check for pending timers, pending DPCs, or pending ready threads */ - if ((Prcb->DpcData[0].DpcQueueDepth) || - (Prcb->TimerRequest) || - (Prcb->DeferredReadyListHead.Next)) - { - /* Quiesce the DPC software interrupt */ - HalClearSoftwareInterrupt(DISPATCH_LEVEL); - - /* Handle it */ - KiRetireDpcList(Prcb); - } - - /* Check if a new thread is scheduled for execution */ - if (Prcb->NextThread) - { - /* Enable interrupts */ - _enable(); - - /* Capture current thread data */ - OldThread = Prcb->CurrentThread; - NewThread = Prcb->NextThread; - - /* Set new thread data */ - Prcb->NextThread = NULL; - Prcb->CurrentThread = NewThread; - - /* The thread is now running */ - NewThread->State = Running; - - /* Do the swap at SYNCH_LEVEL */ - KfRaiseIrql(SYNCH_LEVEL); - - /* Switch away from the idle thread */ - KiSwapContext(APC_LEVEL, OldThread); - - /* Go back to DISPATCH_LEVEL */ - KeLowerIrql(DISPATCH_LEVEL); - } - else - { - /* Continue staying idle. Note the HAL returns with interrupts on */ - Prcb->PowerState.IdleFunction(&Prcb->PowerState); - } - } -} - -VOID -NTAPI -KiSwapProcess(IN PKPROCESS NewProcess, - IN PKPROCESS OldProcess) -{ - PKIPCR Pcr = (PKIPCR)KeGetPcr(); - -#ifdef CONFIG_SMP - /* Update active processor mask */ - InterlockedXor64((PLONG64)&NewProcess->ActiveProcessors, Pcr->Prcb.SetMember); - InterlockedXor64((PLONG64)&OldProcess->ActiveProcessors, Pcr->Prcb.SetMember); -#endif - - /* Update CR3 */ - __writecr3(NewProcess->DirectoryTableBase[0]); - - /* Update IOPM offset */ - Pcr->TssBase->IoMapBase = NewProcess->IopmOffset; -} - #define MAX_SYSCALL_PARAMS 16 NTSTATUS @@ -402,23 +239,3 @@ KiSystemService(IN PKTHREAD Thread, __debugbreak(); } -NTSTATUS -NTAPI -NtSetLdtEntries -(ULONG Selector1, LDT_ENTRY LdtEntry1, ULONG Selector2, LDT_ENTRY LdtEntry2) -{ - UNIMPLEMENTED; - __debugbreak(); - return STATUS_UNSUCCESSFUL; -} - -NTSTATUS -NTAPI -NtVdmControl(IN ULONG ControlCode, - IN PVOID ControlData) -{ - /* Not supported */ - return STATUS_NOT_IMPLEMENTED; -} - - diff --git a/ntoskrnl/ntos.cmake b/ntoskrnl/ntos.cmake index 1fc4307573f..26a1e07b17e 100644 --- a/ntoskrnl/ntos.cmake +++ b/ntoskrnl/ntos.cmake @@ -359,6 +359,7 @@ elseif(ARCH STREQUAL "amd64") ${REACTOS_SOURCE_DIR}/ntoskrnl/mm/amd64/init.c ${REACTOS_SOURCE_DIR}/ntoskrnl/mm/amd64/procsup.c ${REACTOS_SOURCE_DIR}/ntoskrnl/ps/amd64/psctx.c + ${REACTOS_SOURCE_DIR}/ntoskrnl/ke/amd64/stubs.c ${REACTOS_SOURCE_DIR}/ntoskrnl/ke/amd64/traphandler.c ${REACTOS_SOURCE_DIR}/ntoskrnl/ke/amd64/usercall.c) if(BUILD_MP)

1 year

[reactos] 01/02: [NTOS:KE/x64] Rename stubs.c to traphandler.c

by Timo Kreuzer

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=57c7f06004f432741478c… commit 57c7f06004f432741478c8e800b562822ffaf260 Author: Timo Kreuzer <timo.kreuzer(a)reactos.org> AuthorDate: Wed Dec 6 10:38:31 2023 +0200 Commit: Timo Kreuzer <timo.kreuzer(a)reactos.org> CommitDate: Fri Dec 8 19:38:59 2023 +0200 [NTOS:KE/x64] Rename stubs.c to traphandler.c --- ntoskrnl/ke/amd64/{stubs.c => traphandler.c} | 0 ntoskrnl/ntos.cmake | 2 +- 2 files changed, 1 insertion(+), 1 deletion(-) diff --git a/ntoskrnl/ke/amd64/stubs.c b/ntoskrnl/ke/amd64/traphandler.c similarity index 100% rename from ntoskrnl/ke/amd64/stubs.c rename to ntoskrnl/ke/amd64/traphandler.c diff --git a/ntoskrnl/ntos.cmake b/ntoskrnl/ntos.cmake index e1adedf9892..1fc4307573f 100644 --- a/ntoskrnl/ntos.cmake +++ b/ntoskrnl/ntos.cmake @@ -359,7 +359,7 @@ elseif(ARCH STREQUAL "amd64") ${REACTOS_SOURCE_DIR}/ntoskrnl/mm/amd64/init.c ${REACTOS_SOURCE_DIR}/ntoskrnl/mm/amd64/procsup.c ${REACTOS_SOURCE_DIR}/ntoskrnl/ps/amd64/psctx.c - ${REACTOS_SOURCE_DIR}/ntoskrnl/ke/amd64/stubs.c + ${REACTOS_SOURCE_DIR}/ntoskrnl/ke/amd64/traphandler.c ${REACTOS_SOURCE_DIR}/ntoskrnl/ke/amd64/usercall.c) if(BUILD_MP) list(APPEND SOURCE

1 year

[reactos] 03/03: [HALX86] Some improvements / bugfixes for IPI support functions

by Timo Kreuzer

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=230f7c7f3c34a91c921bd… commit 230f7c7f3c34a91c921bd0db826d01631c55bf03 Author: Timo Kreuzer <timo.kreuzer(a)reactos.org> AuthorDate: Thu Nov 30 14:08:12 2023 +0200 Commit: Timo Kreuzer <timo.kreuzer(a)reactos.org> CommitDate: Fri Dec 8 19:28:57 2023 +0200 [HALX86] Some improvements / bugfixes for IPI support functions --- hal/halx86/apic/apicsmp.c | 6 +++--- hal/halx86/generic/up.c | 2 ++ hal/halx86/smp/ipi.c | 2 +- 3 files changed, 6 insertions(+), 4 deletions(-) diff --git a/hal/halx86/apic/apicsmp.c b/hal/halx86/apic/apicsmp.c index 47415bc84b6..5165a367156 100644 --- a/hal/halx86/apic/apicsmp.c +++ b/hal/halx86/apic/apicsmp.c @@ -51,7 +51,7 @@ extern PPROCESSOR_IDENTITY HalpProcessorIdentity; APIC_DSH_Destination APIC_DSH_Self APIC_DSH_AllIncludingSelf - APIC_DSH_AllExclusingSelf + APIC_DSH_AllExcludingSelf \see "AMD64 Architecture Programmer's Manual Volume 2 System Programming" Chapter 16 "Advanced Programmable Interrupt Controller (APIC)" @@ -170,7 +170,7 @@ HalRequestIpiSpecifyVector( _In_ KAFFINITY TargetSet, _In_ UCHAR Vector) { - KAFFINITY ActiveProcessors = KeQueryActiveProcessors(); + KAFFINITY ActiveProcessors = HalpActiveProcessors; KAFFINITY RemainingSet, SetMember; ULONG ProcessorIndex; ULONG LApicId; @@ -277,7 +277,7 @@ HalpSendNMI( ULONG LApicId; /* Make sure we do not send an NMI to ourselves */ - ASSERT((TargetSet & ~KeGetCurrentPrcb()->SetMember) == 0); + ASSERT((TargetSet & KeGetCurrentPrcb()->SetMember) == 0); /* Loop while we have more processors */ RemainingSet = TargetSet; diff --git a/hal/halx86/generic/up.c b/hal/halx86/generic/up.c index dd60cc1cffb..377c7e1aaf5 100644 --- a/hal/halx86/generic/up.c +++ b/hal/halx86/generic/up.c @@ -40,6 +40,7 @@ NTAPI HalSendNMI( _In_ KAFFINITY TargetSet) { + NOTHING; } VOID @@ -48,6 +49,7 @@ HalSendSoftwareInterrupt( _In_ KAFFINITY TargetSet, _In_ KIRQL Irql) { + NOTHING; } #endif // _M_AMD64 diff --git a/hal/halx86/smp/ipi.c b/hal/halx86/smp/ipi.c index a2411961dae..48747026cc9 100644 --- a/hal/halx86/smp/ipi.c +++ b/hal/halx86/smp/ipi.c @@ -35,7 +35,7 @@ HalSendNMI( // See: // - https://www.virtualbox.org/browser/vbox/trunk/src/VBox/Runtime/r0drv/nt/int… -// https://github.com/mirror/vbox/blob/b9657cd5351cf17432b664009cc25bb480dc64c… +// - https://github.com/mirror/vbox/blob/b9657cd5351cf17432b664009cc25bb480dc64c… VOID NTAPI HalSendSoftwareInterrupt(

1 year

[reactos] 02/03: [HALX86] Use InterlockedBitTestAndSetAffinity instead of InterlockedBitTestAndSet

by Timo Kreuzer

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=d8d46a00c37b7d46484e7… commit d8d46a00c37b7d46484e7947f67e0d9a7f984c4b Author: Timo Kreuzer <timo.kreuzer(a)reactos.org> AuthorDate: Thu Nov 30 14:04:21 2023 +0200 Commit: Timo Kreuzer <timo.kreuzer(a)reactos.org> CommitDate: Fri Dec 8 19:28:57 2023 +0200 [HALX86] Use InterlockedBitTestAndSetAffinity instead of InterlockedBitTestAndSet --- hal/halx86/generic/halinit.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/hal/halx86/generic/halinit.c b/hal/halx86/generic/halinit.c index bbd3c49204e..70822fd5cc5 100644 --- a/hal/halx86/generic/halinit.c +++ b/hal/halx86/generic/halinit.c @@ -54,9 +54,8 @@ HalInitializeProcessor( KeGetPcr()->StallScaleFactor = INITIAL_STALL_COUNT; /* Update the interrupt affinity and processor mask */ - InterlockedBitTestAndSet((PLONG)&HalpActiveProcessors, ProcessorNumber); - InterlockedBitTestAndSet((PLONG)&HalpDefaultInterruptAffinity, - ProcessorNumber); + InterlockedBitTestAndSetAffinity(&HalpActiveProcessors, ProcessorNumber); + InterlockedBitTestAndSetAffinity(&HalpDefaultInterruptAffinity, ProcessorNumber); /* Register routines for KDCOM */ HalpRegisterKdSupportFunctions();

1 year

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