From cec8a13e4ced8717f606e5ea95290fb18bbcd552 Mon Sep 17 00:00:00 2001
From: belliash <belliash@codingworkshop.eu.org>
Date: Tue, 14 Mar 2023 22:47:32 +0100
Subject: [PATCH] Add context control flags and thread frames for i686
 architecture

---
 sdk/xtdk/i686/ketypes.h | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/sdk/xtdk/i686/ketypes.h b/sdk/xtdk/i686/ketypes.h
index cf9ce8d..d6ed79c 100644
--- a/sdk/xtdk/i686/ketypes.h
+++ b/sdk/xtdk/i686/ketypes.h
@@ -116,6 +116,15 @@
 #define EFLAGS_ID_MASK                    0x00200000L
 #define EFLAGS_USER_SANITIZE              0x003F4DD7L
 
+/* Context control flags */
+#define CONTEXT_ARCHITECTURE              0x00010000
+#define CONTEXT_CONTROL                   (CONTEXT_ARCHITECTURE | 0x01)
+#define CONTEXT_INTEGER                   (CONTEXT_ARCHITECTURE | 0x02)
+#define CONTEXT_SEGMENTS                  (CONTEXT_ARCHITECTURE | 0x04)
+#define CONTEXT_FLOATING_POINT            (CONTEXT_ARCHITECTURE | 0x08)
+#define CONTEXT_DEBUG_REGISTERS           (CONTEXT_ARCHITECTURE | 0x10)
+#define CONTEXT_EXTENDED_REGISTERS        (CONTEXT_ARCHITECTURE | 0x20)
+
 /* Interrupt request levels definitions */
 #define PASSIVE_LEVEL                     0
 #define LOW_LEVEL                         0
@@ -345,6 +354,15 @@ typedef struct _KEXCEPTION_FRAME
     ULONG PlaceHolder;
 } KEXCEPTION_FRAME, *PKEXCEPTION_FRAME;
 
+/* Thread start frame definition */
+typedef struct _KSTART_FRAME
+{
+    PKSYSTEM_ROUTINE SystemRoutine;
+    PKSTART_ROUTINE StartRoutine;
+    PVOID StartContext;
+    BOOLEAN UserMode;
+} KSTART_FRAME, *PKSTART_FRAME;
+
 /* Switch frame definition */
 typedef struct _KSWITCH_FRAME
 {
@@ -393,6 +411,15 @@ typedef struct _KTRAP_FRAME
     ULONG V86Gs;
 } KTRAP_FRAME, *PKTRAP_FRAME;
 
+/* Thread initialization frame definition */
+typedef struct _KTHREAD_INIT_FRAME
+{
+    KSWITCH_FRAME SwitchFrame;
+    KSTART_FRAME StartFrame;
+    KTRAP_FRAME TrapFrame;
+    FX_SAVE_AREA NpxFrame;
+} KTHREAD_INIT_FRAME, *PKTHREAD_INIT_FRAME;
+
 /* Special kernel registers structure definition */
 typedef struct _KSPECIAL_REGISTERS
 {