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authorMichael Meissner <gnu@the-meissners.org>1995-11-15 22:53:59 +0000
committerMichael Meissner <gnu@the-meissners.org>1995-11-15 22:53:59 +0000
commit80948f392bb653cb29514db15c176d218c2f4c2d (patch)
treeda9dd97251521aeadc9bc8ffe7623d6510da898c /sim/ppc/cpu.c
parent1b09c02b1788bb88abd2e325f82600018290dbb3 (diff)
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More model specific changes
Diffstat (limited to 'sim/ppc/cpu.c')
-rw-r--r--sim/ppc/cpu.c42
1 files changed, 34 insertions, 8 deletions
diff --git a/sim/ppc/cpu.c b/sim/ppc/cpu.c
index f145ae4..6defe2f 100644
--- a/sim/ppc/cpu.c
+++ b/sim/ppc/cpu.c
@@ -62,6 +62,12 @@ struct _cpu {
event_queue *events;
int cpu_nr;
+ /* Current functional unit information */
+ function_unit *func_unit;
+
+ /* 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];
@@ -93,6 +99,7 @@ cpu_create(psim *system,
processor->virtual = vm_create(memory);
processor->instruction_map = vm_create_instruction_map(processor->virtual);
processor->data_map = vm_create_data_map(processor->virtual);
+ processor->model_ptr = model_create (processor);
/* link back to core system */
processor->system = system;
@@ -100,6 +107,10 @@ cpu_create(psim *system,
processor->cpu_nr = cpu_nr;
processor->monitor = monitor;
+ /* Create function unit if desired */
+ if (WITH_FUNCTION_UNIT)
+ processor->func_unit = function_unit_create ();
+
return processor;
}
@@ -107,8 +118,13 @@ cpu_create(psim *system,
INLINE_CPU void
cpu_init(cpu *processor)
{
- bzero(&processor->regs, sizeof(processor->regs));
+ memset(&processor->regs, 0, sizeof(processor->regs));
/* FIXME - should any of VM be inited also ? */
+
+ if (WITH_FUNCTION_UNIT)
+ function_unit_init (processor->func_unit);
+
+ model_init (processor, processor->model_ptr);
}
@@ -138,13 +154,25 @@ cpu_monitor(cpu *processor)
return processor->monitor;
}
+INLINE_CPU function_unit *
+cpu_function_unit(cpu *processor)
+{
+ return processor->func_unit;
+}
+
+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);
+ - processor->time_base_local_time);
}
INLINE_CPU void
@@ -235,6 +263,10 @@ cpu_halt(cpu *processor,
signal);
}
else {
+ if (WITH_FUNCTION_UNIT)
+ function_unit_halt(processor, processor->func_unit);
+
+ model_halt(processor, processor->model_ptr);
processor->program_counter = cia;
psim_halt(processor->system, processor->cpu_nr, cia, reason, signal);
}
@@ -302,12 +334,6 @@ cpu_synchronize_context(cpu *processor)
cpu_flush_icache(processor);
#endif
- /* don't allow the processor to change endian modes */
- if ((cpu_registers(processor)->msr & msr_little_endian_mode)
- && CURRENT_TARGET_BYTE_ORDER != LITTLE_ENDIAN) {
- error("vm_synchronize_context() - unsuported change of byte order\n");
- }
-
/* update virtual memory */
vm_synchronize_context(processor->virtual,
processor->regs.spr,