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-rw-r--r--sim/ppc/hw_cpu.c145
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diff --git a/sim/ppc/hw_cpu.c b/sim/ppc/hw_cpu.c
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--- a/sim/ppc/hw_cpu.c
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-/* This file is part of the program psim.
-
- Copyright (C) 1994-1996, 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 _HW_CPU_C_
-#define _HW_CPU_C_
-
-#ifndef STATIC_INLINE_HW_CPU
-#define STATIC_INLINE_HW_CPU STATIC_INLINE
-#endif
-
-#include "device_table.h"
-#include "hw_cpu.h"
-
-#include "interrupts.h"
-#include "cpu.h"
-
-
-/* CPU (HW) - Interface to a Processor
-
- Description:
-
- The CPU device provides the connection between the interrupt net
- (linking the devices and the interrupt controller) and the
- simulated model of each processor. This device contains interrupt
- ports that correspond directly to the external interrupt stimulus
- that can be sent to a given processor. Sending an interrupt to one
- of the ports results in an interrupt being delivered to the
- corresponding processor.
-
- Typically, an interrupt controller would have its inputs connected
- to device interrupt sources and its outputs (sreset, int, et.al.)
- connected to this device.
-
- Properties:
-
- cpu-nr = <integer>. Specify the processor (1..N) that this cpu
- device node should control. */
-
-typedef struct _hw_cpu_device {
- int cpu_nr;
- cpu *processor;
-} hw_cpu_device;
-
-static const device_interrupt_port_descriptor hw_cpu_interrupt_ports[] = {
- { "hreset", hw_cpu_hard_reset },
- { "sreset", hw_cpu_soft_reset },
- { "int", hw_cpu_external_interrupt },
- { "mci", hw_cpu_machine_check_interrupt },
- { "smi", hw_cpu_system_management_interrupt },
- { NULL }
-};
-
-
-static void *
-hw_cpu_create(const char *name,
- const device_unit *unit_address,
- const char *args,
- device *parent)
-{
- hw_cpu_device *hw_cpu = ZALLOC(hw_cpu_device);
- return hw_cpu;
-}
-
-
-/* during address initialization ensure that any missing cpu
- properties are added to this devices node */
-
-static void
-hw_cpu_init_address(device *me)
-{
- hw_cpu_device *hw_cpu = (hw_cpu_device*)device_data(me);
- /* populate the node with properties */
- /* clear our data */
- memset(hw_cpu, 0x0, sizeof(hw_cpu_device));
- hw_cpu->cpu_nr = device_find_integer_property(me, "cpu-nr");
- hw_cpu->processor = psim_cpu(device_system(me), hw_cpu->cpu_nr);
-}
-
-
-/* Take the interrupt and synchronize its delivery with the clock. If
- we've not yet scheduled an interrupt for the next clock tick, take
- the oportunity to do it now */
-
-static void
-hw_cpu_interrupt_event(device *me,
- int my_port,
- device *source,
- int source_port,
- int level,
- cpu *processor,
- unsigned_word cia)
-{
- hw_cpu_device *hw_cpu = (hw_cpu_device*)device_data(me);
- if (my_port < 0 || my_port >= hw_cpu_nr_interrupt_ports)
- error("hw_cpu_interrupt_event_callback: interrupt port out of range %d\n",
- my_port);
- switch (my_port) {
- /*case hw_cpu_hard_reset:*/
- /*case hw_cpu_soft_reset:*/
- case hw_cpu_external_interrupt:
- external_interrupt(hw_cpu->processor, level);
- break;
- /*case hw_cpu_machine_check_interrupt:*/
- default:
- error("hw_cpu_deliver_interrupt: unimplemented interrupt port %d\n",
- my_port);
- break;
- }
-}
-
-
-static device_callbacks const hw_cpu_callbacks = {
- { hw_cpu_init_address, }, /* init */
- { NULL, }, /* address */
- { NULL, }, /* io */
- { NULL, }, /* DMA */
- { hw_cpu_interrupt_event, NULL, hw_cpu_interrupt_ports }, /* interrupts */
- { NULL, NULL, },
-};
-
-const device_descriptor hw_cpu_device_descriptor[] = {
- { "hw-cpu", hw_cpu_create, &hw_cpu_callbacks },
- { "cpu", hw_cpu_create, &hw_cpu_callbacks },
- { NULL, },
-};
-
-#endif /* _HW_CPU_C_ */