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-rw-r--r--c/src/exec/score/cpu/i386/cpu.c121
1 files changed, 0 insertions, 121 deletions
diff --git a/c/src/exec/score/cpu/i386/cpu.c b/c/src/exec/score/cpu/i386/cpu.c
deleted file mode 100644
index 05a836f7e3..0000000000
--- a/c/src/exec/score/cpu/i386/cpu.c
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * Intel i386 Dependent Source
- *
- *
- * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
- * On-Line Applications Research Corporation (OAR).
- * All rights assigned to U.S. Government, 1994.
- *
- * This material may be reproduced by or for the U.S. Government pursuant
- * to the copyright license under the clause at DFARS 252.227-7013. This
- * notice must appear in all copies of this file and its derivatives.
- *
- * $Id$
- */
-
-#include <rtems/system.h>
-#include <rtems/fatal.h>
-#include <rtems/isr.h>
-#include <rtems/wkspace.h>
-
-/* _CPU_Initialize
- *
- * This routine performs processor dependent initialization.
- *
- * INPUT PARAMETERS:
- * cpu_table - CPU table to initialize
- * thread_dispatch - address of disptaching routine
- */
-
-
-void _CPU_Initialize(
- rtems_cpu_table *cpu_table,
- void (*thread_dispatch) /* ignored on this CPU */
-)
-{
- register unsigned16 fp_status asm ("ax");
- register unsigned8 *fp_context;
-
- if ( cpu_table == NULL )
- rtems_fatal_error_occurred( RTEMS_NOT_CONFIGURED );
-
- _CPU_Table = *cpu_table;
-
- /*
- * The following code saves a NULL i387 context which is given
- * to each task at start and restart time. The following code
- * is based upon that provided in the i386 Programmer's
- * Manual and should work on any coprocessor greater than
- * the i80287.
- *
- * NOTE: The NO RTEMS_WAIT form of the coprocessor instructions
- * MUST be used in case there is not a coprocessor
- * to wait for.
- */
-
- fp_status = 0xa5a5;
- asm volatile( "fninit" );
- asm volatile( "fnstsw %0" : "=a" (fp_status) : "0" (fp_status) );
-
- if ( fp_status == 0 ) {
-
- fp_context = _CPU_Null_fp_context;
-
- asm volatile( "fsave (%0)" : "=r" (fp_context)
- : "0" (fp_context)
- );
- }
-}
-
-/* _CPU_ISR_install_vector
- *
- * This kernel routine installs the RTEMS handler for the
- * specified vector.
- *
- * Input parameters:
- * vector - interrupt vector number
- * old_handler - former ISR for this vector number
- * new_handler - replacement ISR for this vector number
- *
- * Output parameters: NONE
- *
- */
-
-void _ISR_Handler_0(), _ISR_Handler_1();
-
-#define PER_ISR_ENTRY \
- (((unsigned32) _ISR_Handler_1 - (unsigned32) _ISR_Handler_0))
-
-#define _Interrupt_Handler_entry( _vector ) \
- (((unsigned32)_ISR_Handler_0) + ((_vector) * PER_ISR_ENTRY))
-
-void _CPU_ISR_install_vector(
- unsigned32 vector,
- proc_ptr new_handler,
- proc_ptr *old_handler
-)
-{
- i386_IDT_slot idt;
- unsigned32 unique_handler;
-
- /* calculate the unique entry point for this vector */
- unique_handler = _Interrupt_Handler_entry( vector );
-
- /* build the IDT entry */
- idt.offset_0_15 = ((unsigned32) unique_handler) & 0xffff;
- idt.segment_selector = i386_get_cs();
- idt.reserved = 0x00;
- idt.p_dpl = 0x8e; /* present, ISR */
- idt.offset_16_31 = ((unsigned32) unique_handler) >> 16;
-
- /* install the IDT entry */
- i386_Install_idt(
- (unsigned32) &idt,
- _CPU_Table.interrupt_table_segment,
- (unsigned32) _CPU_Table.interrupt_table_offset + (8 * vector)
- );
-
- /* "portable" part */
- *old_handler = _ISR_Vector_table[ vector ];
- _ISR_Vector_table[ vector ] = new_handler;
-}