serial-pci.c (47b5264eb3e1cd2825e48d28fd0d1b239ed53974) serial-pci.c (db895a1e6a97e919f9b86d60c969377357b05066)
1/*
2 * QEMU 16550A UART emulation
3 *
4 * Copyright (c) 2003-2004 Fabrice Bellard
5 * Copyright (c) 2008 Citrix Systems, Inc.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal

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22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23 * THE SOFTWARE.
24 */
25
26/* see docs/specs/pci-serial.txt */
27
28#include "hw/char/serial.h"
29#include "hw/pci/pci.h"
1/*
2 * QEMU 16550A UART emulation
3 *
4 * Copyright (c) 2003-2004 Fabrice Bellard
5 * Copyright (c) 2008 Citrix Systems, Inc.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal

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22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23 * THE SOFTWARE.
24 */
25
26/* see docs/specs/pci-serial.txt */
27
28#include "hw/char/serial.h"
29#include "hw/pci/pci.h"
30#include "qapi/qmp/qerror.h"
30
31#define PCI_SERIAL_MAX_PORTS 4
32
33typedef struct PCISerialState {
34 PCIDevice dev;
35 SerialState state;
36} PCISerialState;
37

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44 uint32_t level[PCI_SERIAL_MAX_PORTS];
45 qemu_irq *irqs;
46} PCIMultiSerialState;
47
48static int serial_pci_init(PCIDevice *dev)
49{
50 PCISerialState *pci = DO_UPCAST(PCISerialState, dev, dev);
51 SerialState *s = &pci->state;
31
32#define PCI_SERIAL_MAX_PORTS 4
33
34typedef struct PCISerialState {
35 PCIDevice dev;
36 SerialState state;
37} PCISerialState;
38

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45 uint32_t level[PCI_SERIAL_MAX_PORTS];
46 qemu_irq *irqs;
47} PCIMultiSerialState;
48
49static int serial_pci_init(PCIDevice *dev)
50{
51 PCISerialState *pci = DO_UPCAST(PCISerialState, dev, dev);
52 SerialState *s = &pci->state;
53 Error *err = NULL;
52
53 s->baudbase = 115200;
54
55 s->baudbase = 115200;
54 serial_init_core(s);
56 serial_realize_core(s, &err);
57 if (err != NULL) {
58 qerror_report_err(err);
59 error_free(err);
60 return -1;
61 }
55
56 pci->dev.config[PCI_INTERRUPT_PIN] = 0x01;
57 s->irq = pci->dev.irq[0];
58
59 memory_region_init_io(&s->io, &serial_io_ops, s, "serial", 8);
60 pci_register_bar(&pci->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io);
61 return 0;
62}

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75 qemu_set_irq(pci->dev.irq[0], pending);
76}
77
78static int multi_serial_pci_init(PCIDevice *dev)
79{
80 PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(dev);
81 PCIMultiSerialState *pci = DO_UPCAST(PCIMultiSerialState, dev, dev);
82 SerialState *s;
62
63 pci->dev.config[PCI_INTERRUPT_PIN] = 0x01;
64 s->irq = pci->dev.irq[0];
65
66 memory_region_init_io(&s->io, &serial_io_ops, s, "serial", 8);
67 pci_register_bar(&pci->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io);
68 return 0;
69}

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82 qemu_set_irq(pci->dev.irq[0], pending);
83}
84
85static int multi_serial_pci_init(PCIDevice *dev)
86{
87 PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(dev);
88 PCIMultiSerialState *pci = DO_UPCAST(PCIMultiSerialState, dev, dev);
89 SerialState *s;
90 Error *err = NULL;
83 int i;
84
85 switch (pc->device_id) {
86 case 0x0003:
87 pci->ports = 2;
88 break;
89 case 0x0004:
90 pci->ports = 4;

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97 memory_region_init(&pci->iobar, "multiserial", 8 * pci->ports);
98 pci_register_bar(&pci->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &pci->iobar);
99 pci->irqs = qemu_allocate_irqs(multi_serial_irq_mux, pci,
100 pci->ports);
101
102 for (i = 0; i < pci->ports; i++) {
103 s = pci->state + i;
104 s->baudbase = 115200;
91 int i;
92
93 switch (pc->device_id) {
94 case 0x0003:
95 pci->ports = 2;
96 break;
97 case 0x0004:
98 pci->ports = 4;

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105 memory_region_init(&pci->iobar, "multiserial", 8 * pci->ports);
106 pci_register_bar(&pci->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &pci->iobar);
107 pci->irqs = qemu_allocate_irqs(multi_serial_irq_mux, pci,
108 pci->ports);
109
110 for (i = 0; i < pci->ports; i++) {
111 s = pci->state + i;
112 s->baudbase = 115200;
105 serial_init_core(s);
113 serial_realize_core(s, &err);
114 if (err != NULL) {
115 qerror_report_err(err);
116 error_free(err);
117 return -1;
118 }
106 s->irq = pci->irqs[i];
107 pci->name[i] = g_strdup_printf("uart #%d", i+1);
108 memory_region_init_io(&s->io, &serial_io_ops, s, pci->name[i], 8);
109 memory_region_add_subregion(&pci->iobar, 8 * i, &s->io);
110 }
111 return 0;
112}
113

--- 139 unchanged lines hidden --- 		119 s->irq = pci->irqs[i];
120 pci->name[i] = g_strdup_printf("uart #%d", i+1);
121 memory_region_init_io(&s->io, &serial_io_ops, s, pci->name[i], 8);
122 memory_region_add_subregion(&pci->iobar, 8 * i, &s->io);
123 }
124 return 0;
125}
126

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