[reactos] 09/11: [NTOS:KE/x64] Factor out KiIntializeProcessorBootStructures

[Timo Kreuzer]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=d0f6874d920fc56b569914...

commit d0f6874d920fc56b5699149159c45f7e5b868672
Author:     Timo Kreuzer [e-mail]
AuthorDate: Sat Dec 2 16:50:17 2023 +0200
Commit:     Timo Kreuzer [e-mail]
CommitDate: Fri Dec 8 20:16:51 2023 +0200

[NTOS:KE/x64] Factor out KiIntializeProcessorBootStructures
---
 ntoskrnl/ke/amd64/kiinit.c | 58 ++++++++++++++++++++++++++++++++++------------
 1 file changed, 43 insertions(+), 15 deletions(-)

diff --git a/ntoskrnl/ke/amd64/kiinit.c b/ntoskrnl/ke/amd64/kiinit.c
index 742650b98cf..54d4d13815a 100644
--- a/ntoskrnl/ke/amd64/kiinit.c
+++ b/ntoskrnl/ke/amd64/kiinit.c
@@ -270,6 +270,38 @@ KiInitializeTss(
     Tss->Ist[3] = (ULONG64)NmiStack;
 }

+CODE_SEG("INIT")
+VOID
+KiInitializeProcessorBootStructures(
+    _In_ ULONG ProcessorNumber,
+    _Out_ PKIPCR Pcr,
+    _In_ PKGDTENTRY64 GdtBase,
+    _In_ PKIDTENTRY64 IdtBase,
+    _In_ PKTSS64 TssBase,
+    _In_ PKTHREAD IdleThread,
+    _In_ PVOID KernelStack,
+    _In_ PVOID DpcStack,
+    _In_ PVOID DoubleFaultStack,
+    _In_ PVOID NmiStack)
+{
+    /* Initialize the PCR */
+    KiInitializePcr(Pcr,
+                    ProcessorNumber,
+                    GdtBase,
+                    IdtBase,
+                    TssBase,
+                    IdleThread,
+                    DpcStack);
+
+
+    /* Setup the TSS descriptor and entries */
+    KiInitializeTss(Pcr,
+                    TssBase,
+                    KernelStack,
+                    DoubleFaultStack,
+                    NmiStack);
+}
+
 CODE_SEG("INIT")
 static
 VOID
@@ -294,21 +326,17 @@ KiInitializeP0BootStructures(
     TssEntry = KiGetGdtEntry(GdtDescriptor.Base, KGDT64_SYS_TSS);
     TssBase = KiGetGdtDescriptorBase(TssEntry);

-    /* Initialize the PCR */
-    KiInitializePcr(&KiInitialPcr,
-                    0,
-                    GdtDescriptor.Base,
-                    IdtDescriptor.Base,
-                    TssBase,
-                    &KiInitialThread.Tcb,
-                    KiP0DoubleFaultStack);
-
-    /* Setup the TSS descriptors and entries */
-    KiInitializeTss(&KiInitialPcr,
-                    KiInitialPcr.TssBase,
-                    KiP0BootStack,
-                    KiP0DoubleFaultStack,
-                    KiP0DoubleFaultStack);
+    /* Initialize PCR and TSS */
+    KiInitializeProcessorBootStructures(0,
+                                        &KiInitialPcr,
+                                        GdtDescriptor.Base,
+                                        IdtDescriptor.Base,
+                                        TssBase,
+                                        &KiInitialThread.Tcb,
+                                        KiP0BootStack,
+                                        KiP0DoubleFaultStack,
+                                        KiP0DoubleFaultStack,
+                                        KiP0DoubleFaultStack);
 }

CODE_SEG("INIT")