Ongoing work for adding per-thread UTCB structures.

Added setting of utcb address to l4_thread_control.
This is going to be moved to exchange_registers() since we need to pass
both the utcb physical and virtual address and exregs fits such context
modification better than thread_control.

tasks/fs0/container.c

@@ -0,0 +1,23 @@
+/*
+ * Container entry point for this task
+ *
+ * Copyright (C) 2007-2009 Bahadir Bilgehan Balban
+ */
+#include <posix/posix_init.h>
+#include <l4lib/init.h>
+#include <l4lib/utcb.h>
+
+void main(void);
+
+void __container_init(void)
+{
+	/* Generic L4 thread initialisation */
+	__l4_init();
+
+	/* FS0 posix-service initialisation */
+	posix_service_init();
+
+	/* Entry to main */
+	main();
+}
+

tasks/fs0/include/linker.lds

@@ -32,6 +32,10 @@ SECTIONS
 	.rodata1 : AT (ADDR(.rodata1) - offset) { *(.rodata1) }
 	.data : AT (ADDR(.data) - offset)
 	{
+		. = ALIGN(4K);	/* Align UTCB to page boundary */
+		_start_utcb = .;
+		*(.utcb)
+		_end_utcb = .;
 		. = ALIGN(4K);
 		_start_bdev = .;
 		*(.data.memfs)
@@ -39,5 +43,6 @@ SECTIONS
 		*(.data)
 	}
 	.bss : AT (ADDR(.bss) - offset) { *(.bss) }
+
 	_end = .;
 }

tasks/fs0/src/task.c

@@ -8,6 +8,7 @@
 #include <l4/api/errno.h>
 #include <l4lib/arch/syscalls.h>
 #include <l4lib/arch/syslib.h>
+#include <l4lib/arch/utcb.h>
 #include <l4lib/ipcdefs.h>
 #include <lib/malloc.h>
 #include <lib/idpool.h>
@@ -20,6 +21,7 @@
 #include <syscalls.h>
 #include <globals.h>
 
+
 extern void *shared_page;
 
 struct global_list global_tasks = {