diff options
Diffstat (limited to 'qemu/hw/intc/i8259_common.c')
| -rw-r--r-- | qemu/hw/intc/i8259_common.c | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/qemu/hw/intc/i8259_common.c b/qemu/hw/intc/i8259_common.c deleted file mode 100644 index 3a850b0c6..000000000 --- a/qemu/hw/intc/i8259_common.c +++ /dev/null @@ -1,163 +0,0 @@ -/* - * QEMU 8259 - common bits of emulated and KVM kernel model - * - * Copyright (c) 2003-2004 Fabrice Bellard - * Copyright (c) 2011 Jan Kiszka, Siemens AG - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ -#include "qemu/osdep.h" -#include "hw/i386/pc.h" -#include "hw/isa/i8259_internal.h" - -void pic_reset_common(PICCommonState *s) -{ - s->last_irr = 0; - s->irr &= s->elcr; - s->imr = 0; - s->isr = 0; - s->priority_add = 0; - s->irq_base = 0; - s->read_reg_select = 0; - s->poll = 0; - s->special_mask = 0; - s->init_state = 0; - s->auto_eoi = 0; - s->rotate_on_auto_eoi = 0; - s->special_fully_nested_mode = 0; - s->init4 = 0; - s->single_mode = 0; - /* Note: ELCR is not reset */ -} - -static void pic_dispatch_pre_save(void *opaque) -{ - PICCommonState *s = opaque; - PICCommonClass *info = PIC_COMMON_GET_CLASS(s); - - if (info->pre_save) { - info->pre_save(s); - } -} - -static int pic_dispatch_post_load(void *opaque, int version_id) -{ - PICCommonState *s = opaque; - PICCommonClass *info = PIC_COMMON_GET_CLASS(s); - - if (info->post_load) { - info->post_load(s); - } - return 0; -} - -static void pic_common_realize(DeviceState *dev, Error **errp) -{ - PICCommonState *s = PIC_COMMON(dev); - - isa_register_ioport(NULL, &s->base_io, s->iobase); - if (s->elcr_addr != -1) { - isa_register_ioport(NULL, &s->elcr_io, s->elcr_addr); - } - - qdev_set_legacy_instance_id(dev, s->iobase, 1); -} - -ISADevice *i8259_init_chip(const char *name, ISABus *bus, bool master) -{ - DeviceState *dev; - ISADevice *isadev; - - isadev = isa_create(bus, name); - dev = DEVICE(isadev); - qdev_prop_set_uint32(dev, "iobase", master ? 0x20 : 0xa0); - qdev_prop_set_uint32(dev, "elcr_addr", master ? 0x4d0 : 0x4d1); - qdev_prop_set_uint8(dev, "elcr_mask", master ? 0xf8 : 0xde); - qdev_prop_set_bit(dev, "master", master); - qdev_init_nofail(dev); - - return isadev; -} - -static const VMStateDescription vmstate_pic_common = { - .name = "i8259", - .version_id = 1, - .minimum_version_id = 1, - .pre_save = pic_dispatch_pre_save, - .post_load = pic_dispatch_post_load, - .fields = (VMStateField[]) { - VMSTATE_UINT8(last_irr, PICCommonState), - VMSTATE_UINT8(irr, PICCommonState), - VMSTATE_UINT8(imr, PICCommonState), - VMSTATE_UINT8(isr, PICCommonState), - VMSTATE_UINT8(priority_add, PICCommonState), - VMSTATE_UINT8(irq_base, PICCommonState), - VMSTATE_UINT8(read_reg_select, PICCommonState), - VMSTATE_UINT8(poll, PICCommonState), - VMSTATE_UINT8(special_mask, PICCommonState), - VMSTATE_UINT8(init_state, PICCommonState), - VMSTATE_UINT8(auto_eoi, PICCommonState), - VMSTATE_UINT8(rotate_on_auto_eoi, PICCommonState), - VMSTATE_UINT8(special_fully_nested_mode, PICCommonState), - VMSTATE_UINT8(init4, PICCommonState), - VMSTATE_UINT8(single_mode, PICCommonState), - VMSTATE_UINT8(elcr, PICCommonState), - VMSTATE_END_OF_LIST() - } -}; - -static Property pic_properties_common[] = { - DEFINE_PROP_UINT32("iobase", PICCommonState, iobase, -1), - DEFINE_PROP_UINT32("elcr_addr", PICCommonState, elcr_addr, -1), - DEFINE_PROP_UINT8("elcr_mask", PICCommonState, elcr_mask, -1), - DEFINE_PROP_BIT("master", PICCommonState, master, 0, false), - DEFINE_PROP_END_OF_LIST(), -}; - -static void pic_common_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - - dc->vmsd = &vmstate_pic_common; - dc->props = pic_properties_common; - dc->realize = pic_common_realize; - /* - * Reason: unlike ordinary ISA devices, the PICs need additional - * wiring: its IRQ input lines are set up by board code, and the - * wiring of the slave to the master is hard-coded in device model - * code. - */ - dc->cannot_instantiate_with_device_add_yet = true; -} - -static const TypeInfo pic_common_type = { - .name = TYPE_PIC_COMMON, - .parent = TYPE_ISA_DEVICE, - .instance_size = sizeof(PICCommonState), - .class_size = sizeof(PICCommonClass), - .class_init = pic_common_class_init, - .abstract = true, -}; - -static void pic_common_register_types(void) -{ - type_register_static(&pic_common_type); -} - -type_init(pic_common_register_types) |