--- a/gsm-fw/gpf/osl/Makefile	Mon Jun 23 02:36:51 2014 +0000
+++ b/gsm-fw/gpf/osl/Makefile	Mon Jun 23 02:55:22 2014 +0000
@@ -3,7 +3,7 @@
 IOPTS=	-DRUN_INT_RAM
 XOPTS=	-DRUN_FLASH -mthumb
 
-IOBJS=	os_com_ir.o os_mem_ir.o os_mis_ir.o os_pro_ir.o
+IOBJS=	os_com_ir.o os_mem_ir.o os_mis_ir.o os_pro_ir.o os_sem_ir.o
 XOBJS=	os_com_fl.o os_drv.o os_isr.o os_mem_fl.o os_pro_fl.o os_sem_fl.o
 
 all:	${IOBJS} ${XOBJS}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gsm-fw/gpf/osl/os_sem_ir.c	Mon Jun 23 02:55:22 2014 +0000
@@ -0,0 +1,34 @@
+/*
+ * This C module is a reconstruction based on the disassembly of
+ * os_sem.obj in frame_na7_db_ir.lib from the Leonardo package.
+ */
+
+/* set of included headers from COFF symtab: */
+#include <stdio.h>
+#include <string.h>
+#include "gpfconf.h"	/* FreeCalypso addition */
+#include "../../nucleus/nucleus.h"
+#include "typedefs.h"
+#include "os.h"
+#include "gdi.h"
+#include "os_types.h"
+#include "os_glob.h"
+
+extern T_OS_SEM_TABLE_ENTRY SemTable[];
+extern unsigned os_time_to_tick_multiplier;
+
+int
+ReleaseSemaphoreCB(NU_SEMAPHORE *SemCB)
+{
+	if (NU_Release_Semaphore(SemCB) == NU_SUCCESS)
+		return(OS_OK);
+	else
+		return(OS_ERROR);
+}
+
+int
+ObtainSemaphoreCB(NU_SEMAPHORE *SemCB, ULONG Timeout, USHORT wait_check)
+{
+
+
+}