2004-01-21 Joel Sherrill <joel@OARcorp.com>

	PR 557/bsps
	* cpu.c: Removed. File appears to have been orphaned around June 2000

2 files changed, 5 insertions, 288 deletions

diff --git a/c/src/lib/libcpu/i386/ChangeLog b/c/src/lib/libcpu/i386/ChangeLog
index a0b3d8ad04..e7ee333388 100644
--- a/c/src/lib/libcpu/i386/ChangeLog
+++ b/c/src/lib/libcpu/i386/ChangeLog
@@ -1,3 +1,8 @@
+2004-01-21	Joel Sherrill <joel@OARcorp.com>
+
+	PR 557/bsps
+	* cpu.c: Removed. File appears to have been orphaned around June 2000
+
 2004-01-21	Ralf Corsepius <corsepiu@faw.uni-ulm.de>
 
 	* Makefile.am: Split the blob of *.o into cache.rel, page.rel and
diff --git a/c/src/lib/libcpu/i386/cpu.c b/c/src/lib/libcpu/i386/cpu.c
deleted file mode 100644
index 286a37c894..0000000000
--- a/c/src/lib/libcpu/i386/cpu.c
+++ /dev/null
@@ -1,288 +0,0 @@
-/*
- * cpu.c  - This file contains implementation of C function to
- *          instantiate IDT entries. More detailled information can be found
- *	    on Intel site and more precisely in the following book :
- *
- *		Pentium Processor family
- *		Developper's Manual
- *
- *		Volume 3 : Architecture and Programming Manual
- *
- * Copyright (C) 1998  Eric Valette (valette@crf.canon.fr)
- *                     Canon Centre Recherche France.
- *
- *  The license and distribution terms for this file may be
- *  found in found in the file LICENSE in this distribution or at
- *  http://www.rtems.com/license/LICENSE.
- *
- * $Id$
- */
-
-#include <libcpu/cpu.h>
-#include <irq.h>
-
-static rtems_raw_irq_connect_data* 	raw_irq_table;
-static rtems_raw_irq_connect_data  	default_raw_irq_entry;
-static interrupt_gate_descriptor   	default_idt_entry;
-static rtems_raw_irq_global_settings* 	local_settings;
-
-void create_interrupt_gate_descriptor (interrupt_gate_descriptor* idtEntry,
-				       rtems_raw_irq_hdl hdl)
-{
-    idtEntry->low_offsets_bits	= (((unsigned) hdl) & 0xffff);
-    idtEntry->segment_selector	= i386_get_cs(); 
-    idtEntry->fixed_value_bits	= 0;
-    idtEntry->gate_type		= 0xe; 
-    idtEntry->privilege		= 0;
-    idtEntry->present		= 1;
-    idtEntry->high_offsets_bits	= ((((unsigned) hdl) >> 16) & 0xffff);
-}
-
-rtems_raw_irq_hdl get_hdl_from_vector(rtems_vector_offset index)
-{
-    rtems_raw_irq_hdl		hdl;
-    interrupt_gate_descriptor* 	idt_entry_tbl;
-    unsigned			limit;
-
-    i386_get_info_from_IDTR (&idt_entry_tbl, &limit);
-	
-    /* Convert limit into number of entries */
-    limit = (limit + 1) / sizeof(interrupt_gate_descriptor);
-  
-    if(index >= limit) {
-        return 0;
-    }
-
-    * ((unsigned int*) &hdl) = (idt_entry_tbl[index].low_offsets_bits | 
-			      (idt_entry_tbl[index].high_offsets_bits << 16));
-    return hdl;
-}
-
-int i386_set_idt_entry  (const rtems_raw_irq_connect_data* irq)
-{
-    interrupt_gate_descriptor* 	idt_entry_tbl;
-    unsigned			limit;
-    unsigned int 		level;
-
-    
-    i386_get_info_from_IDTR (&idt_entry_tbl, &limit);
-
-    /* Convert limit into number of entries */
-    limit = (limit + 1) / sizeof(interrupt_gate_descriptor);
-
-    if (irq->idtIndex >= limit) {
-      return 0;
-    }
-    /*
-     * Check if default handler is actually connected. If not issue an error.
-     * You must first get the current handler via i386_get_current_idt_entry
-     * and then disconnect it using i386_delete_idt_entry.
-     * RATIONALE : to always have the same transition by forcing the user
-     * to get the previous handler before accepting to disconnect.
-     */
-    if (get_hdl_from_vector(irq->idtIndex) != default_raw_irq_entry.hdl) {
-      return 0;
-    }
-
-    _CPU_ISR_Disable(level);
-    
-    raw_irq_table [irq->idtIndex] = *irq;
-    create_interrupt_gate_descriptor (&idt_entry_tbl[irq->idtIndex], irq->hdl);
-    irq->on(irq);
-    
-    _CPU_ISR_Enable(level);
-    return 1;
-}
-
-void _CPU_ISR_install_vector (unsigned vector,
-			      void* hdl,
-			      void** oldHdl)
-{
-    interrupt_gate_descriptor* 	idt_entry_tbl;
-    unsigned			limit;
-    interrupt_gate_descriptor	new;
-    unsigned int 		level;
-    
-    i386_get_info_from_IDTR (&idt_entry_tbl, &limit);
-
-    /* Convert limit into number of entries */
-    limit = (limit + 1) / sizeof(interrupt_gate_descriptor);
-
-    if (vector >= limit) {
-      return;
-    }
-    _CPU_ISR_Disable(level)
-    * ((unsigned int *) oldHdl) = idt_entry_tbl[vector].low_offsets_bits |
-	(idt_entry_tbl[vector].high_offsets_bits << 16);
-
-    create_interrupt_gate_descriptor(&new,  hdl);
-    idt_entry_tbl[vector] = new;
-
-    _CPU_ISR_Enable(level);
-}
-				
-int i386_get_current_idt_entry (rtems_raw_irq_connect_data* irq)
-{
-    interrupt_gate_descriptor* 	idt_entry_tbl;
-    unsigned			limit;
-
-    i386_get_info_from_IDTR (&idt_entry_tbl, &limit);
-
-    /* Convert limit into number of entries */
-    limit = (limit + 1) / sizeof(interrupt_gate_descriptor);
-
-    if (irq->idtIndex >= limit) {
-      return 0;
-    }
-    raw_irq_table [irq->idtIndex].hdl = get_hdl_from_vector(irq->idtIndex);
-    
-    *irq = raw_irq_table [irq->idtIndex];
-    
-    return 1;
-}
-
-int i386_delete_idt_entry (const rtems_raw_irq_connect_data* irq)
-{
-    interrupt_gate_descriptor* 	idt_entry_tbl;
-    unsigned			limit;
-    unsigned int 		level;
-    
-    i386_get_info_from_IDTR (&idt_entry_tbl, &limit);
-
-    /* Convert limit into number of entries */
-    limit = (limit + 1) / sizeof(interrupt_gate_descriptor);
-
-    if (irq->idtIndex >= limit) {
-      return 0;
-    }
-    /*
-     * Check if handler passed is actually connected. If not issue an error.
-     * You must first get the current handler via i386_get_current_idt_entry
-     * and then disconnect it using i386_delete_idt_entry.
-     * RATIONALE : to always have the same transition by forcing the user
-     * to get the previous handler before accepting to disconnect.
-     */
-    if (get_hdl_from_vector(irq->idtIndex) != irq->hdl){
-      return 0;
-    }
-    _CPU_ISR_Disable(level);
-
-    idt_entry_tbl[irq->idtIndex] = default_idt_entry;
-
-    irq->off(irq);
-    
-    raw_irq_table[irq->idtIndex] = default_raw_irq_entry;
-    raw_irq_table[irq->idtIndex].idtIndex = irq->idtIndex;
-
-    _CPU_ISR_Enable(level);
-    
-    return 1;
-}
-
-/*
- * Caution this function assumes the IDTR has been already set.
- */
-int i386_init_idt (rtems_raw_irq_global_settings* config)
-{
-    unsigned			limit;
-    unsigned 			i;
-    unsigned 			level;
-    interrupt_gate_descriptor*	idt_entry_tbl;
-    
-    i386_get_info_from_IDTR (&idt_entry_tbl, &limit);
-
-    /* Convert limit into number of entries */
-    limit = (limit + 1) / sizeof(interrupt_gate_descriptor);
-      
-    if (config->idtSize != limit) {
-      return 0;
-    }
-    /*
-     * store various accelarators
-     */
-    raw_irq_table 		= config->rawIrqHdlTbl;
-    local_settings 		= config;
-    default_raw_irq_entry 	= config->defaultRawEntry;
-
-    _CPU_ISR_Disable(level);
-
-    create_interrupt_gate_descriptor (&default_idt_entry, default_raw_irq_entry.hdl);
-
-    for (i=0; i < limit; i++) {
-      interrupt_gate_descriptor new;
-      create_interrupt_gate_descriptor (&new, raw_irq_table[i].hdl);
-      idt_entry_tbl[i] = new;
-      if (raw_irq_table[i].hdl != default_raw_irq_entry.hdl) {
-	raw_irq_table[i].on(&raw_irq_table[i]);
-      }
-      else {
-	raw_irq_table[i].off(&raw_irq_table[i]);
-      }
-    }
-    _CPU_ISR_Enable(level);
-
-    return 1;
-}
-
-int i386_get_idt_config (rtems_raw_irq_global_settings** config)
-{
-  *config = local_settings;
-  return 1;
-}
-
-/*
- * Caution this function assumes the GDTR has been already set.
- */
-int i386_set_gdt_entry (unsigned short segment_selector, unsigned base,
-			unsigned limit)
-{
-    unsigned 			gdt_limit;
-    unsigned short              tmp_segment = 0;
-    unsigned int                limit_adjusted;
-    segment_descriptors* 	gdt_entry_tbl;
-
-      
-    i386_get_info_from_GDTR (&gdt_entry_tbl, &gdt_limit);
-
-    if (segment_selector > limit) {
-      return 0;
-    }
-    /*
-     * set up limit first
-     */
-    limit_adjusted = limit;
-    if ( limit > 4095 ) {
-      gdt_entry_tbl[segment_selector].granularity = 1;
-      limit_adjusted /= 4096;
-    }
-    gdt_entry_tbl[segment_selector].limit_15_0  = limit_adjusted & 0xffff;
-    gdt_entry_tbl[segment_selector].limit_19_16 = (limit_adjusted >> 16) & 0xf;
-    /*
-     * set up base
-     */
-    gdt_entry_tbl[segment_selector].base_address_15_0  = base & 0xffff;
-    gdt_entry_tbl[segment_selector].base_address_23_16 = (base >> 16) & 0xff;
-    gdt_entry_tbl[segment_selector].base_address_31_24 = (base >> 24) & 0xff;
-    /*
-     * set up descriptor type (this may well becomes a parameter if needed)
-     */
-    gdt_entry_tbl[segment_selector].type 		= 2;   	/* Data R/W */
-    gdt_entry_tbl[segment_selector].descriptor_type 	= 1;	/* Code or Data */
-    gdt_entry_tbl[segment_selector].privilege 		= 0; 	/* ring 0 */
-    gdt_entry_tbl[segment_selector].present 		= 1; 	/* not present */
-
-    /*
-     * Now, reload all segment registers so the limit takes effect.
-     */
-
-    asm volatile( "movw %%ds,%0 ; movw %0,%%ds
-                   movw %%es,%0 ; movw %0,%%es
-                   movw %%fs,%0 ; movw %0,%%fs
-                   movw %%gs,%0 ; movw %0,%%gs
-                   movw %%ss,%0 ; movw %0,%%ss"
-                   : "=r" (tmp_segment)
-                   : "0"  (tmp_segment)
-		  );
-    
-    return 1;
-}