Changeset 2085 for Whitix/branches/netchannel/arch/i386/kernel/process.c

Timestamp:

05/20/10 16:05:25 (2 years ago)

Author:

mwhitworth

Message:

Add to TCP/IP stack.

Files:

• Whitix/branches/netchannel/arch/i386/kernel/process.c (modified) (4 diffs)

Whitix/branches/netchannel/arch/i386/kernel/process.c

@@ -33 +33 @@
 void i386ExitThread();
 void endi386ExitThread();
+void i386RetFromEvent();
+void endi386RetFromEvent();
+
 DWORD exitCode=0xF8000000;
+DWORD retFromEvent;
 
 struct TSS* tss=(struct TSS*)(TSS_ADDR);
@@ -56 +60 @@
 int ThrArchInit()
 {
+        int exitCodeSz = (DWORD)endi386ExitThread-(DWORD)i386ExitThread;
+        int retEventSz = (DWORD)endi386RetFromEvent - (DWORD)i386RetFromEvent;
+
         /* Setup up the TSS, only needed for ss0 and esp0 */
         tss->bitmap=0x8000; /* Bitmap offset. Past limit, so every IO instruction in userspace will produce a GPF. */
@@ -64 +71 @@
         /* Copy the exit code over to a user accessable page of memory. Add procesor-specific syscall method code into the page soon. */
         VirtMemMapPage(0xF8000000, PageAlloc()->physAddr, PAGE_PRESENT | PAGE_RW | PAGE_USER);
-        memcpy((void*)exitCode, i386ExitThread, (DWORD)endi386ExitThread-(DWORD)i386ExitThread);
+        memcpy((void*)exitCode, i386ExitThread, exitCodeSz);
+        memcpy((void*)(exitCode + exitCodeSz), i386RetFromEvent, retEventSz);
+
+        retFromEvent = (DWORD)(exitCode + exitCodeSz);
 
         return 0;
@@ -85 +95 @@
 
         ret->esp3=*stackP; /* User stack */
+        ret->eventStack = MMapDo(ret->parent, NULL, 0, 0x1000, PAGE_RW | PAGE_PRESENT | PAGE_USER, 0, MMAP_PRIVATE, NULL)+0x1000;
 
         IrqSaveFlags(flags);