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Diffstat (limited to 'sim/ppc/hw_cpu.c')
| -rw-r--r-- | sim/ppc/hw_cpu.c | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/sim/ppc/hw_cpu.c b/sim/ppc/hw_cpu.c deleted file mode 100644 index 117a4c256f2..00000000000 --- a/sim/ppc/hw_cpu.c +++ /dev/null @@ -1,167 +0,0 @@ -/* 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" - - -/* DEVICE - - - cpu - 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> (required) - - - Specify the processor (1..N) that this cpu device node should - control. - - - EXAMPLES - - - Connect an OpenPIC interrupt controller interrupt ports to - processor zero. - - | -o '/phb/opic@0 > irq0 int /cpus/cpu@0' \ - | -o '/phb/opic@0 > init hreset /cpus/cpu@0' \ - - - */ - -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) -{ - 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_ */ |