root / hw / piix4.c @ 9e2c1298
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1 | 823e675a | Juan Quintela | /*
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2 | 823e675a | Juan Quintela | * QEMU PIIX4 PCI Bridge Emulation
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3 | 823e675a | Juan Quintela | *
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4 | 823e675a | Juan Quintela | * Copyright (c) 2006 Fabrice Bellard
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5 | 823e675a | Juan Quintela | *
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6 | 823e675a | Juan Quintela | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | 823e675a | Juan Quintela | * of this software and associated documentation files (the "Software"), to deal
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8 | 823e675a | Juan Quintela | * in the Software without restriction, including without limitation the rights
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9 | 823e675a | Juan Quintela | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | 823e675a | Juan Quintela | * copies of the Software, and to permit persons to whom the Software is
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11 | 823e675a | Juan Quintela | * furnished to do so, subject to the following conditions:
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12 | 823e675a | Juan Quintela | *
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13 | 823e675a | Juan Quintela | * The above copyright notice and this permission notice shall be included in
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14 | 823e675a | Juan Quintela | * all copies or substantial portions of the Software.
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15 | 823e675a | Juan Quintela | *
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16 | 823e675a | Juan Quintela | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | 823e675a | Juan Quintela | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | 823e675a | Juan Quintela | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | 823e675a | Juan Quintela | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | 823e675a | Juan Quintela | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | 823e675a | Juan Quintela | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | 823e675a | Juan Quintela | * THE SOFTWARE.
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23 | 823e675a | Juan Quintela | */
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24 | 823e675a | Juan Quintela | |
25 | 823e675a | Juan Quintela | #include "hw.h" |
26 | 823e675a | Juan Quintela | #include "pc.h" |
27 | 823e675a | Juan Quintela | #include "pci.h" |
28 | 823e675a | Juan Quintela | #include "isa.h" |
29 | 823e675a | Juan Quintela | #include "sysbus.h" |
30 | 823e675a | Juan Quintela | |
31 | 823e675a | Juan Quintela | PCIDevice *piix4_dev; |
32 | 823e675a | Juan Quintela | |
33 | 1fc7cee0 | Juan Quintela | typedef struct PIIX4State { |
34 | 1fc7cee0 | Juan Quintela | PCIDevice dev; |
35 | 1fc7cee0 | Juan Quintela | } PIIX4State; |
36 | 1fc7cee0 | Juan Quintela | |
37 | 823e675a | Juan Quintela | static void piix4_reset(void *opaque) |
38 | 823e675a | Juan Quintela | { |
39 | 1fc7cee0 | Juan Quintela | PIIX4State *d = opaque; |
40 | 1fc7cee0 | Juan Quintela | uint8_t *pci_conf = d->dev.config; |
41 | 823e675a | Juan Quintela | |
42 | 823e675a | Juan Quintela | pci_conf[0x04] = 0x07; // master, memory and I/O |
43 | 823e675a | Juan Quintela | pci_conf[0x05] = 0x00; |
44 | 823e675a | Juan Quintela | pci_conf[0x06] = 0x00; |
45 | 823e675a | Juan Quintela | pci_conf[0x07] = 0x02; // PCI_status_devsel_medium |
46 | 823e675a | Juan Quintela | pci_conf[0x4c] = 0x4d; |
47 | 823e675a | Juan Quintela | pci_conf[0x4e] = 0x03; |
48 | 823e675a | Juan Quintela | pci_conf[0x4f] = 0x00; |
49 | 823e675a | Juan Quintela | pci_conf[0x60] = 0x0a; // PCI A -> IRQ 10 |
50 | 823e675a | Juan Quintela | pci_conf[0x61] = 0x0a; // PCI B -> IRQ 10 |
51 | 823e675a | Juan Quintela | pci_conf[0x62] = 0x0b; // PCI C -> IRQ 11 |
52 | 823e675a | Juan Quintela | pci_conf[0x63] = 0x0b; // PCI D -> IRQ 11 |
53 | 823e675a | Juan Quintela | pci_conf[0x69] = 0x02; |
54 | 823e675a | Juan Quintela | pci_conf[0x70] = 0x80; |
55 | 823e675a | Juan Quintela | pci_conf[0x76] = 0x0c; |
56 | 823e675a | Juan Quintela | pci_conf[0x77] = 0x0c; |
57 | 823e675a | Juan Quintela | pci_conf[0x78] = 0x02; |
58 | 823e675a | Juan Quintela | pci_conf[0x79] = 0x00; |
59 | 823e675a | Juan Quintela | pci_conf[0x80] = 0x00; |
60 | 823e675a | Juan Quintela | pci_conf[0x82] = 0x00; |
61 | 823e675a | Juan Quintela | pci_conf[0xa0] = 0x08; |
62 | 823e675a | Juan Quintela | pci_conf[0xa2] = 0x00; |
63 | 823e675a | Juan Quintela | pci_conf[0xa3] = 0x00; |
64 | 823e675a | Juan Quintela | pci_conf[0xa4] = 0x00; |
65 | 823e675a | Juan Quintela | pci_conf[0xa5] = 0x00; |
66 | 823e675a | Juan Quintela | pci_conf[0xa6] = 0x00; |
67 | 823e675a | Juan Quintela | pci_conf[0xa7] = 0x00; |
68 | 823e675a | Juan Quintela | pci_conf[0xa8] = 0x0f; |
69 | 823e675a | Juan Quintela | pci_conf[0xaa] = 0x00; |
70 | 823e675a | Juan Quintela | pci_conf[0xab] = 0x00; |
71 | 823e675a | Juan Quintela | pci_conf[0xac] = 0x00; |
72 | 823e675a | Juan Quintela | pci_conf[0xae] = 0x00; |
73 | 823e675a | Juan Quintela | } |
74 | 823e675a | Juan Quintela | |
75 | 9039d78e | Juan Quintela | static const VMStateDescription vmstate_piix4 = { |
76 | 9039d78e | Juan Quintela | .name = "PIIX4",
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77 | 9039d78e | Juan Quintela | .version_id = 2,
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78 | 9039d78e | Juan Quintela | .minimum_version_id = 2,
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79 | 9039d78e | Juan Quintela | .minimum_version_id_old = 2,
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80 | 9039d78e | Juan Quintela | .fields = (VMStateField[]) { |
81 | 9039d78e | Juan Quintela | VMSTATE_PCI_DEVICE(dev, PIIX4State), |
82 | 9039d78e | Juan Quintela | VMSTATE_END_OF_LIST() |
83 | 9039d78e | Juan Quintela | } |
84 | 9039d78e | Juan Quintela | }; |
85 | 823e675a | Juan Quintela | |
86 | 1fc7cee0 | Juan Quintela | static int piix4_initfn(PCIDevice *dev) |
87 | 823e675a | Juan Quintela | { |
88 | 1fc7cee0 | Juan Quintela | PIIX4State *d = DO_UPCAST(PIIX4State, dev, dev); |
89 | 823e675a | Juan Quintela | |
90 | c2d0d012 | Richard Henderson | isa_bus_new(&d->dev.qdev, pci_address_space_io(dev)); |
91 | 1fc7cee0 | Juan Quintela | piix4_dev = &d->dev; |
92 | 823e675a | Juan Quintela | qemu_register_reset(piix4_reset, d); |
93 | 823e675a | Juan Quintela | return 0; |
94 | 823e675a | Juan Quintela | } |
95 | 823e675a | Juan Quintela | |
96 | 142e9787 | Hervé Poussineau | int piix4_init(PCIBus *bus, ISABus **isa_bus, int devfn) |
97 | 823e675a | Juan Quintela | { |
98 | 823e675a | Juan Quintela | PCIDevice *d; |
99 | 823e675a | Juan Quintela | |
100 | fecb93c4 | Isaku Yamahata | d = pci_create_simple_multifunction(bus, devfn, true, "PIIX4"); |
101 | 142e9787 | Hervé Poussineau | *isa_bus = DO_UPCAST(ISABus, qbus, qdev_get_child_bus(&d->qdev, "isa.0"));
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102 | 823e675a | Juan Quintela | return d->devfn;
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103 | 823e675a | Juan Quintela | } |
104 | 823e675a | Juan Quintela | |
105 | 40021f08 | Anthony Liguori | static void piix4_class_init(ObjectClass *klass, void *data) |
106 | 40021f08 | Anthony Liguori | { |
107 | 39bffca2 | Anthony Liguori | DeviceClass *dc = DEVICE_CLASS(klass); |
108 | 40021f08 | Anthony Liguori | PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); |
109 | 40021f08 | Anthony Liguori | |
110 | 40021f08 | Anthony Liguori | k->no_hotplug = 1;
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111 | 40021f08 | Anthony Liguori | k->init = piix4_initfn; |
112 | 40021f08 | Anthony Liguori | k->vendor_id = PCI_VENDOR_ID_INTEL; |
113 | 40021f08 | Anthony Liguori | k->device_id = PCI_DEVICE_ID_INTEL_82371AB_0; |
114 | 40021f08 | Anthony Liguori | k->class_id = PCI_CLASS_BRIDGE_ISA; |
115 | 39bffca2 | Anthony Liguori | dc->desc = "ISA bridge";
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116 | 39bffca2 | Anthony Liguori | dc->no_user = 1;
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117 | 39bffca2 | Anthony Liguori | dc->vmsd = &vmstate_piix4; |
118 | 40021f08 | Anthony Liguori | } |
119 | 40021f08 | Anthony Liguori | |
120 | 39bffca2 | Anthony Liguori | static TypeInfo piix4_info = {
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121 | 39bffca2 | Anthony Liguori | .name = "PIIX4",
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122 | 39bffca2 | Anthony Liguori | .parent = TYPE_PCI_DEVICE, |
123 | 39bffca2 | Anthony Liguori | .instance_size = sizeof(PIIX4State),
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124 | 39bffca2 | Anthony Liguori | .class_init = piix4_class_init, |
125 | 823e675a | Juan Quintela | }; |
126 | 823e675a | Juan Quintela | |
127 | 83f7d43a | Andreas Färber | static void piix4_register_types(void) |
128 | 823e675a | Juan Quintela | { |
129 | 39bffca2 | Anthony Liguori | type_register_static(&piix4_info); |
130 | 823e675a | Juan Quintela | } |
131 | 83f7d43a | Andreas Färber | |
132 | 83f7d43a | Andreas Färber | type_init(piix4_register_types) |