new file mode 100644
--- /dev/null
+++ b/packages/hal/i386/pc/current/src/plf_misc.c
@@ -0,0 +1,198 @@
+//==========================================================================
+//
+//      plf_misc.c
+//
+//      HAL platform miscellaneous functions
+//
+//==========================================================================
+//####COPYRIGHTBEGIN####
+//                                                                          
+// -------------------------------------------                              
+// The contents of this file are subject to the Red Hat eCos Public License 
+// Version 1.1 (the "License"); you may not use this file except in         
+// compliance with the License.  You may obtain a copy of the License at    
+// http://www.redhat.com/                                                   
+//                                                                          
+// Software distributed under the License is distributed on an "AS IS"      
+// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the 
+// License for the specific language governing rights and limitations under 
+// the License.                                                             
+//                                                                          
+// The Original Code is eCos - Embedded Configurable Operating System,      
+// released September 30, 1998.                                             
+//                                                                          
+// The Initial Developer of the Original Code is Red Hat.                   
+// Portions created by Red Hat are                                          
+// Copyright (C) 1998, 1999, 2000 Red Hat, Inc.                             
+// All Rights Reserved.                                                     
+// -------------------------------------------                              
+//                                                                          
+//####COPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    nickg
+// Contributors: nickg, jlarmour, pjo
+// Date:         1999-01-21
+// Purpose:      HAL miscellaneous functions
+// Description:  This file contains miscellaneous functions provided by the
+//               HAL.
+//
+//####DESCRIPTIONEND####
+//
+//========================================================================*/
+
+#include <pkgconf/hal.h>
+
+#include <cyg/infra/cyg_type.h>         // Base types
+#include <cyg/infra/cyg_trac.h>         // tracing macros
+#include <cyg/infra/cyg_ass.h>          // assertion macros
+
+#include <cyg/hal/hal_arch.h>           // architectural definitions
+
+#include <cyg/hal/hal_intr.h>           // Interrupt handling
+
+#include <cyg/hal/hal_cache.h>          // Cache handling
+
+#include <cyg/hal/plf_misc.h>
+
+#ifdef CYGPKG_KERNEL
+#include <pkgconf/kernel.h>
+#include <cyg/kernel/ktypes.h>
+#include <cyg/kernel/kapi.h>
+#endif /* CYGPKG_KERNEL */
+
+/*------------------------------------------------------------------------*/
+
+extern void patch_dbg_syscalls(void * vector);
+
+/*------------------------------------------------------------------------*/
+/* Floating point context switch support.                                 */
+/* NOTE:  This code makes use of kernel API calls, which it should not do.*/
+/* We need to rewrite this to make use of only HAL supplied facilites,    */
+/* this may require the addition of some extra HAL level support.         */
+   
+#if !defined(CYGSEM_HAL_ROM_MONITOR)
+
+volatile int hal_pc_fpe_interrupts = 0 ;
+volatile int hal_pc_fpe_switches = 0 ;
+volatile cyg_uint32 hal_pc_fpe_owner = 0 ;
+
+cyg_uint32 hal_pc_fpe_isr(CYG_ADDRWORD vector, CYG_ADDRWORD data)
+{
+    return 2 ;
+}
+
+void hal_pc_fpe_dsr(CYG_ADDRWORD vector, cyg_ucount32 count, CYG_ADDRWORD data)
+{
+    cyg_handle_t me ;
+    CYG_ADDRWORD stack ;
+    cyg_uint32 * p ;
+
+    hal_pc_fpe_interrupts++ ;
+
+/* Gotta turn that darn interrupt off!  Otherwise we're in a loop! */
+    asm("movl %%cr0, %%eax\n"
+        "andl $0xFFFFFFF7, %%eax\n"
+        "movl %%eax, %%cr0\n"
+	:	/* No outputs. */
+	:	/* No inputs. */
+	:	"eax"
+	);
+
+    me = cyg_thread_self() ;
+
+    if (hal_pc_fpe_owner != me)
+    {
+        if (hal_pc_fpe_owner)
+        {	/* Then save his state at the bottom of his stack. */
+            stack = cyg_thread_get_stack_base(hal_pc_fpe_owner) ;
+            p = (cyg_uint32*) stack ;
+            stack = (cyg_addrword_t) &(p[1]);
+            asm("movl %0, %%eax
+fsave (%%eax)"
+                :	/* No outputs. */
+                :	"g" (stack)
+                :	"eax") ;
+            p[0] = 0xCAFEBABE ;
+        }
+        hal_pc_fpe_owner = me ;
+        stack = cyg_thread_get_stack_base(hal_pc_fpe_owner) ;
+        p = (cyg_uint32*) stack ;
+        if (p[0] == 0xCAFEBABE)
+        {
+            stack = (cyg_addrword_t) &(p[1]) ;
+            asm("movl %0, %%eax\n"
+                "frstor (%%eax)\n"
+                :	/* No outputs. */
+                :	"g" (stack)
+                :	"eax");
+        }
+
+        hal_pc_fpe_switches++ ;
+    }
+}
+
+
+cyg_interrupt hal_pc_fpe_interrupt_object ;
+cyg_handle_t hal_pc_fpe_interrupt ;
+
+#endif
+
+/*------------------------------------------------------------------------*/
+
+void hal_platform_init(void)
+{
+
+    HAL_ICACHE_INVALIDATE_ALL();    
+    HAL_ICACHE_ENABLE();
+    HAL_DCACHE_INVALIDATE_ALL();
+    HAL_DCACHE_ENABLE();
+
+#if defined(CYGDBG_HAL_DEBUG_GDB_CTRLC_SUPPORT)    
+    {
+        void hal_ctrlc_isr_init(void);
+        hal_ctrlc_isr_init();
+    }
+
+#endif
+        
+#if defined(CYGFUN_HAL_COMMON_KERNEL_SUPPORT)   && \
+    defined(CYG_HAL_USE_ROM_MONITOR)            && \
+    defined(CYG_HAL_USE_ROM_MONITOR_CYGMON)
+    {
+        patch_dbg_syscalls( (void *)(&hal_vsr_table[0]) );
+    }
+#endif
+
+#if !defined(CYGSEM_HAL_ROM_MONITOR)
+    /* Connect to the floating point interrupt. */
+    cyg_interrupt_create(CYGNUM_HAL_VECTOR_NO_DEVICE, 1, 0,
+                         hal_pc_fpe_isr, hal_pc_fpe_dsr,
+                         &hal_pc_fpe_interrupt, &hal_pc_fpe_interrupt_object);
+    cyg_interrupt_attach(hal_pc_fpe_interrupt);
+#endif        
+
+}
+
+/*------------------------------------------------------------------------*/
+
+void hal_pc_reset(void)
+{
+    /* Use Intel's IDT triple-fault trick. */
+    asm("movl $badIdt, %eax\n"
+        "lidt (%eax)\n"
+        "int $3\n"
+        "hlt\n"
+
+        ".align 4\n"
+
+        "badIdt:\n"
+        ".word		0\n"
+        ".long		0\n"
+        ) ;
+}
+
+
+/*------------------------------------------------------------------------*/
+/* End of plf_misc.c                                                      */