Initial creation of sourceware repository

1 files changed, 0 insertions, 382 deletions

diff --git a/sim/ppc/cpu.c b/sim/ppc/cpu.c
deleted file mode 100644
index 9e9e7e7..0000000
--- a/sim/ppc/cpu.c
+++ /dev/null
@@ -1,382 +0,0 @@
-/*  This file is part of the program psim.
-
-    Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
- 
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- 
-    */
-
-
-#ifndef _CPU_C_
-#define _CPU_C_
-
-#include <setjmp.h>
-
-#include "cpu.h"
-#include "idecode.h"
-
-#ifdef HAVE_STRING_H
-#include <string.h>
-#else
-#ifdef HAVE_STRINGS_H
-#include <strings.h>
-#endif
-#endif
-
-struct _cpu {
-
-  /* the registers */
-  registers regs;
-
-  /* current instruction address */
-  unsigned_word program_counter;
-
-  /* the memory maps */
-  core *physical; /* all of memory */
-  vm *virtual;
-  vm_instruction_map *instruction_map; /* instructions */
-  vm_data_map *data_map; /* data */
-
-  /* current state of interrupt inputs */
-  int external_exception_pending;
-
-  /* the system this processor is contained within */
-  cpu_mon *monitor;
-  os_emul *os_emulation;
-  psim *system;
-  event_queue *events;
-  int cpu_nr;
-
-  /* Current CPU model information */
-  model_data *model_ptr;
-
-#if WITH_IDECODE_CACHE_SIZE
-  /* a cache to store cracked instructions */
-  idecode_cache icache[WITH_IDECODE_CACHE_SIZE];
-#endif
-
-  /* address reservation: keep the physical address and the contents
-     of memory at that address */
-  memory_reservation reservation;
-
-  /* offset from event time to this cpu's idea of the local time */
-  signed64 time_base_local_time;
-  signed64 decrementer_local_time;
-  event_entry_tag decrementer_event;
-
-};
-
-INLINE_CPU\
-(cpu *)
-cpu_create(psim *system,
-	   core *memory,
-	   event_queue *events,
-	   cpu_mon *monitor,
-	   os_emul *os_emulation,
-	   int cpu_nr)
-{
-  cpu *processor = ZALLOC(cpu);
-
-  /* create the virtual memory map from the core */
-  processor->physical = memory;
-  processor->virtual = vm_create(memory);
-  processor->instruction_map = vm_create_instruction_map(processor->virtual);
-  processor->data_map = vm_create_data_map(processor->virtual);
-
-  if (CURRENT_MODEL_ISSUE > 0)
-    processor->model_ptr = model_create (processor);
-
-  /* link back to core system */
-  processor->system = system;
-  processor->events = events;
-  processor->cpu_nr = cpu_nr;
-  processor->monitor = monitor;
-  processor->os_emulation = os_emulation;
-
-  return processor;
-}
-
-
-INLINE_CPU\
-(void)
-cpu_init(cpu *processor)
-{
-  memset(&processor->regs, 0, sizeof(processor->regs));
-  /* vm init is delayed until after the device tree has been init as
-     the devices may further init the cpu */
-  if (CURRENT_MODEL_ISSUE > 0)
-    model_init (processor->model_ptr);
-}
-
-
-/* find ones way home */
-
-INLINE_CPU\
-(psim *)
-cpu_system(cpu *processor)
-{
-  return processor->system;
-}
-
-INLINE_CPU\
-(int)
-cpu_nr(cpu *processor)
-{
-  return processor->cpu_nr;
-}
-
-INLINE_CPU\
-(event_queue *)
-cpu_event_queue(cpu *processor)
-{
-  return processor->events;
-}
-
-INLINE_CPU\
-(cpu_mon *)
-cpu_monitor(cpu *processor)
-{
-  return processor->monitor;
-}
-
-INLINE_CPU\
-(os_emul *)
-cpu_os_emulation(cpu *processor)
-{
-  return processor->os_emulation;
-}
-
-INLINE_CPU\
-(model_data *)
-cpu_model(cpu *processor)
-{
-  return processor->model_ptr;
-}
-
-/* The processors local concept of time */
-
-INLINE_CPU\
-(signed64)
-cpu_get_time_base(cpu *processor)
-{
-  return (event_queue_time(processor->events)
-	  - processor->time_base_local_time);
-}
-
-INLINE_CPU\
-(void)
-cpu_set_time_base(cpu *processor,
-		  signed64 time_base)
-{
-  processor->time_base_local_time = (event_queue_time(processor->events)
-				     - time_base);
-}
-
-INLINE_CPU\
-(signed32)
-cpu_get_decrementer(cpu *processor)
-{
-  return (processor->decrementer_local_time
-	  - event_queue_time(processor->events));
-}
-
-STATIC_INLINE_CPU\
-(void)
-cpu_decrement_event(event_queue *queue,
-		    void *data)
-{
-  cpu *processor = (cpu*)data;
-  if (!decrementer_interrupt(processor)) {
-    processor->decrementer_event = event_queue_schedule(processor->events,
-							1, /* NOW! */
-							cpu_decrement_event,
-							processor);
-  }
-}
-
-INLINE_CPU\
-(void)
-cpu_set_decrementer(cpu *processor,
-		    signed32 decrementer)
-{
-  signed64 old_decrementer = (processor->decrementer_local_time
-			      - event_queue_time(processor->events));
-  event_queue_deschedule(processor->events, processor->decrementer_event);
-  processor->decrementer_local_time = (event_queue_time(processor->events)
-				       + decrementer);
-  if (decrementer < 0 && old_decrementer >= 0)
-    /* dec interrupt occures if the sign of the decrement reg is
-       changed by the load operation */
-    processor->decrementer_event = event_queue_schedule(processor->events,
-							1, /* NOW! */
-							cpu_decrement_event,
-							processor);
-  else if (decrementer >= 0)
-    processor->decrementer_event = event_queue_schedule(processor->events,
-							decrementer,
-							cpu_decrement_event,
-							processor);
-}
-
-
-/* program counter manipulation */
-
-INLINE_CPU\
-(void)
-cpu_set_program_counter(cpu *processor,
-			unsigned_word new_program_counter)
-{
-  processor->program_counter = new_program_counter;
-}
-
-INLINE_CPU\
-(unsigned_word)
-cpu_get_program_counter(cpu *processor)
-{
-  return processor->program_counter;
-}
-
-INLINE_CPU\
-(void)
-cpu_restart(cpu *processor,
-	    unsigned_word nia)
-{
-  processor->program_counter = nia;
-  psim_restart(processor->system, processor->cpu_nr);
-}
-
-INLINE_CPU\
-(void)
-cpu_halt(cpu *processor,
-	 unsigned_word cia,
-	 stop_reason reason,
-	 int signal)
-{
-  if (processor == NULL) {
-    error("cpu_halt() processor=NULL, cia=0x%x, reason=%d, signal=%d\n",
-	  cia,
-	  reason,
-	  signal);
-  }
-  else {
-    if (CURRENT_MODEL_ISSUE > 0)
-      model_halt(processor->model_ptr);
-
-    processor->program_counter = cia;
-    psim_halt(processor->system, processor->cpu_nr, cia, reason, signal);
-  }
-}
-
-
-#if WITH_IDECODE_CACHE_SIZE
-/* allow access to the cpu's instruction cache */
-INLINE_CPU\
-(idecode_cache *)
-cpu_icache_entry(cpu *processor,
-		 unsigned_word cia)
-{
-  return &processor->icache[cia / 4 % WITH_IDECODE_CACHE_SIZE];
-}
-
-
-INLINE_CPU\
-(void)
-cpu_flush_icache(cpu *processor)
-{
-  int i;
-  /* force all addresses to 0xff... so that they never hit */
-  for (i = 0; i < WITH_IDECODE_CACHE_SIZE; i++)
-    processor->icache[i].address = MASK(0, 63);
-}
-#endif
-
-
-/* address map revelation */
-
-INLINE_CPU\
-(vm_instruction_map *)
-cpu_instruction_map(cpu *processor)
-{
-  return processor->instruction_map;
-}
-
-INLINE_CPU\
-(vm_data_map *)
-cpu_data_map(cpu *processor)
-{
-  return processor->data_map;
-}
-
-INLINE_CPU\
-(void)
-cpu_page_tlb_invalidate_entry(cpu *processor,
-			      unsigned_word ea)
-{
-  vm_page_tlb_invalidate_entry(processor->virtual, ea);
-}
-
-INLINE_CPU\
-(void)
-cpu_page_tlb_invalidate_all(cpu *processor)
-{
-  vm_page_tlb_invalidate_all(processor->virtual);
-}
-
-
-/* reservation access */
-
-INLINE_CPU\
-(memory_reservation *)
-cpu_reservation(cpu *processor)
-{
-  return &processor->reservation;
-}
-
-
-/* register access */
-
-INLINE_CPU\
-(registers *)
-cpu_registers(cpu *processor)
-{
-  return &processor->regs;
-}
-
-INLINE_CPU\
-(void)
-cpu_synchronize_context(cpu *processor)
-{
-#if (WITH_IDECODE_CACHE)
-  /* kill of the cache */
-  cpu_flush_icache(processor);
-#endif
-
-  /* update virtual memory */
-  vm_synchronize_context(processor->virtual,
-			 processor->regs.spr,
-			 processor->regs.sr,
-			 processor->regs.msr);
-}
-
-
-/* might again be useful one day */
-
-INLINE_CPU\
-(void)
-cpu_print_info(cpu *processor, int verbose)
-{
-}
-
-#endif /* _CPU_C_ */