[ros-diffs] [jcatena] 45392: [NTOS] msc trap stub

Author: jcatena
Date: Wed Feb  3 14:25:03 2010
New Revision: 45392

URL: http://svn.reactos.org/svn/reactos?rev=45392&view=rev
Log:
[NTOS] msc trap stub

Modified:
    branches/jcatena-branch/ntoskrnl/trap/i386/TrapStub.h
    branches/jcatena-branch/ntoskrnl/trap/trap.c
    branches/jcatena-branch/ntoskrnl/trap/trap.h

Modified: branches/jcatena-branch/ntoskrnl/trap/i386/TrapStub.h
URL: http://svn.reactos.org/svn/reactos/branches/jcatena-branch/ntoskrnl/trap/i38...
==============================================================================
--- branches/jcatena-branch/ntoskrnl/trap/i386/TrapStub.h [iso-8859-1] (original)
+++ branches/jcatena-branch/ntoskrnl/trap/i386/TrapStub.h [iso-8859-1] Wed Feb  3 14:25:03 2010
@@ -6,17 +6,20 @@
 #error
 #endif

-#define TRAP_STUB_NAMEH0(x) x##Handler
-#define TRAP_STUB_NAMEH1(x) TRAP_STUB_NAMEH0(x)
-#define TRAP_STUB_NAMEH TRAP_STUB_NAMEH1(TRAP_STUB_NAME)
+#define TRAP_STUB_NAMEH tokenpaste(TRAP_STUB_NAME, Handler)

+#if (TRAP_STUB_FLAGS & TRAPF_INTERRUPT)
+#define TRAP_STUB_PARAM2 tokenpaste(TRAP_STUB_NAME, Interrupt)
+PKINTERRUPT TRAP_STUB_PARAM2;
+#else
 VOID _FASTCALL TRAP_STUB_NAMEH(KTRAP_FRAME *TrapFrame);
+#endif

_NAKED VOID TRAP_STUB_NAME(VOID)
 {
    _ASM_BEGIN
    	// setup frame
-#if (TRAP_STUB_FLAGS & TRAPF_SYSENTER)
+#if (TRAP_STUB_FLAGS & TRAPF_FASTSYSCALL)
    	mov esp, ss:[KIP0PCRADDRESS + offset KPCR.TSS]
    	mov esp, KTSS.Esp0[esp]
    	// sub esp, dword ptr offset KTRAP_FRAME.V86Es
@@ -37,7 +40,7 @@
 #if !(TRAP_STUB_FLAGS & TRAPF_NOSAVESEG)
    	mov KTRAP_FRAME.SegDs[esp], ds
    	mov KTRAP_FRAME.SegEs[esp], es
-#if !(TRAP_STUB_FLAGS & TRAPF_NOSAVEFS)
+#if (TRAP_STUB_FLAGS & TRAPF_SAVEFS)
    	mov KTRAP_FRAME.SegFs[esp], fs
 #endif
 #if !(TRAP_STUB_FLAGS & TRAPF_NOLOADDS)
@@ -57,23 +60,16 @@
    	mov KTRAP_FRAME.Edi[esp], edi
 #endif

-#if (TRAP_STUB_FLAGS & TRAPF_VECTOR)
-:scadr:
-		mov edx, 0
-		call edx
-#endif
    	// call handler
    	mov ecx, esp
+#if (TRAP_STUB_FLAGS & TRAPF_INTERRUPT)
+		mov edx, TRAP_STUB_PARAM2
+		call PKINTERRUPT.DispatchAddress[edx]
+#else
    	call TRAP_STUB_NAMEH
+#endif

-	_ASM_END
-
-		// asmcall(TRAP_STUB_NAMEH);
-		// call TRAP_STUB_NAMEH
-		// call HandlerName
-
-	_ASM_BEGIN
-		// return
+		// restore regs
 #if (TRAP_STUB_FLAGS & TRAPF_SAVENOVOL)
    	mov ebp, KTRAP_FRAME.Ebp[esp]
    	mov ebx, KTRAP_FRAME.Ebx[esp]
@@ -84,12 +80,21 @@
 #if !(TRAP_STUB_FLAGS & TRAPF_NOSAVESEG)
    	mov ds, KTRAP_FRAME.SegDs[esp]
    	mov es, KTRAP_FRAME.SegEs[esp]
-#if !(TRAP_STUB_FLAGS & TRAPF_NOSAVEFS)
+#if (TRAP_STUB_FLAGS & TRAPF_SAVEFS)
    	mov fs, KTRAP_FRAME.SegFs[esp]
 #endif
 #endif

+		// restore volatle regs and return
    	mov eax, KTRAP_FRAME.Eax[esp]
+
+#if (TRAP_STUB_FLAGS & TRAPF_FASTSYSCALL)
+		mov ecx, KTRAP_FRAME.HardwareEsp[esp]
+		mov edx, KTRAP_FRAME.Eip[esp]
+		add esp, dword ptr offset KTRAP_FRAME.V86Es
+		sti
+		sysexit
+#endif
    	mov ecx, KTRAP_FRAME.Ecx[esp]
    	mov edx, KTRAP_FRAME.Edx[esp]
    	iretd

Modified: branches/jcatena-branch/ntoskrnl/trap/trap.c
URL: http://svn.reactos.org/svn/reactos/branches/jcatena-branch/ntoskrnl/trap/tra...
==============================================================================
--- branches/jcatena-branch/ntoskrnl/trap/trap.c [iso-8859-1] (original)
+++ branches/jcatena-branch/ntoskrnl/trap/trap.c [iso-8859-1] Wed Feb  3 14:25:03 2010
@@ -129,7 +129,7 @@

// 
 #define TRAP_STUB_NAME KiFastCallEntry
-#define TRAP_STUB_FLAGS TRAPF_SYSENTER
+#define TRAP_STUB_FLAGS TRAPF_FASTSYSCALL
 #include <TrapStub.h>

#define TRAP_STUB_NAME KiInterruptTemplate
@@ -140,6 +140,5 @@

VOID _FASTCALL init(void)
 {
-	void *t = scadr;
 }

Modified: branches/jcatena-branch/ntoskrnl/trap/trap.h
URL: http://svn.reactos.org/svn/reactos/branches/jcatena-branch/ntoskrnl/trap/tra...
==============================================================================
--- branches/jcatena-branch/ntoskrnl/trap/trap.h [iso-8859-1] (original)
+++ branches/jcatena-branch/ntoskrnl/trap/trap.h [iso-8859-1] Wed Feb  3 14:25:03 2010
@@ -1,14 +1,14 @@
 _ONCE

-#define TRAPF_NOSAVESEG		1
-#define TRAPF_NOSAVEFS		2
-#define TRAPF_SAVENOVOL		4
-#define TRAPF_VECTOR		0x100
-#define TRAPF_ERRORCODE		0x200
-#define TRAPF_SYSENTER		0x400
-
-extern KPCR const *TrapPcr;
+// TRAP_STUB_FLAGS TrapStub x-macro flags
+// trap type
+#define TRAPF_ERRORCODE		1
+#define TRAPF_INTERRUPT		2
+#define TRAPF_FASTSYSCALL	4
+// options
+#define TRAPF_NOSAVESEG		0x100
+#define TRAPF_SAVEFS		0x200
+#define TRAPF_SAVENOVOL		0x400
+#define TRAPF_NOLOADDS		0x800

#include <trap_asm.h>
-
-