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/*
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 * QEMU PC System Emulator
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 *
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 * Copyright (c) 2003-2004 Fabrice Bellard
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * of this software and associated documentation files (the "Software"), to deal
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 * in the Software without restriction, including without limitation the rights
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 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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 * copies of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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 * THE SOFTWARE.
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 */
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25
#include <glib.h>
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#include "hw.h"
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#include "pc.h"
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#include "apic.h"
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#include "pci.h"
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#include "usb-uhci.h"
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#include "usb-ohci.h"
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#include "net.h"
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#include "boards.h"
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#include "ide.h"
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#include "kvm.h"
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#include "kvmclock.h"
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#include "sysemu.h"
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#include "sysbus.h"
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#include "arch_init.h"
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#include "blockdev.h"
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#include "smbus.h"
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#include "xen.h"
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#include "memory.h"
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#include "exec-memory.h"
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#ifdef CONFIG_XEN
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#  include <xen/hvm/hvm_info_table.h>
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#endif
49

    
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#define MAX_IDE_BUS 2
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static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 };
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static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 };
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static const int ide_irq[MAX_IDE_BUS] = { 14, 15 };
55

    
56
static void ioapic_init(GSIState *gsi_state)
57
{
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    DeviceState *dev;
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    SysBusDevice *d;
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    unsigned int i;
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    dev = qdev_create(NULL, "ioapic");
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    qdev_init_nofail(dev);
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    d = sysbus_from_qdev(dev);
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    sysbus_mmio_map(d, 0, 0xfec00000);
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    for (i = 0; i < IOAPIC_NUM_PINS; i++) {
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        gsi_state->ioapic_irq[i] = qdev_get_gpio_in(dev, i);
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    }
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}
71

    
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/* PC hardware initialisation */
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static void pc_init1(MemoryRegion *system_memory,
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                     MemoryRegion *system_io,
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                     ram_addr_t ram_size,
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                     const char *boot_device,
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                     const char *kernel_filename,
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                     const char *kernel_cmdline,
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                     const char *initrd_filename,
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                     const char *cpu_model,
81
                     int pci_enabled,
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                     int kvmclock_enabled)
83
{
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    int i;
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    ram_addr_t below_4g_mem_size, above_4g_mem_size;
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    PCIBus *pci_bus;
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    PCII440FXState *i440fx_state;
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    int piix3_devfn = -1;
89
    qemu_irq *cpu_irq;
90
    qemu_irq *gsi;
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    qemu_irq *i8259;
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    qemu_irq *cmos_s3;
93
    qemu_irq *smi_irq;
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    GSIState *gsi_state;
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    DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
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    BusState *idebus[MAX_IDE_BUS];
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    ISADevice *rtc_state;
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    ISADevice *floppy;
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    MemoryRegion *ram_memory;
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    MemoryRegion *pci_memory;
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    MemoryRegion *rom_memory;
102

    
103
    pc_cpus_init(cpu_model);
104

    
105
    if (kvmclock_enabled) {
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        kvmclock_create();
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    }
108

    
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    if (ram_size >= 0xe0000000 ) {
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        above_4g_mem_size = ram_size - 0xe0000000;
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        below_4g_mem_size = 0xe0000000;
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    } else {
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        above_4g_mem_size = 0;
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        below_4g_mem_size = ram_size;
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    }
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    if (pci_enabled) {
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        pci_memory = g_new(MemoryRegion, 1);
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        memory_region_init(pci_memory, "pci", INT64_MAX);
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        rom_memory = pci_memory;
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    } else {
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        pci_memory = NULL;
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        rom_memory = system_memory;
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    }
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    /* allocate ram and load rom/bios */
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    if (!xen_enabled()) {
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        pc_memory_init(system_memory,
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                       kernel_filename, kernel_cmdline, initrd_filename,
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                       below_4g_mem_size, above_4g_mem_size,
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                       pci_enabled ? rom_memory : system_memory, &ram_memory);
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    }
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    gsi_state = g_malloc0(sizeof(*gsi_state));
135
    gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
136

    
137
    if (pci_enabled) {
138
        pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, gsi,
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                              system_memory, system_io, ram_size,
140
                              below_4g_mem_size,
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                              0x100000000ULL - below_4g_mem_size,
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                              0x100000000ULL + above_4g_mem_size,
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                              (sizeof(target_phys_addr_t) == 4
144
                               ? 0
145
                               : ((uint64_t)1 << 62)),
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                              pci_memory, ram_memory);
147
    } else {
148
        pci_bus = NULL;
149
        i440fx_state = NULL;
150
        isa_bus_new(NULL, system_io);
151
        no_hpet = 1;
152
    }
153
    isa_bus_irqs(gsi);
154

    
155
    if (!xen_enabled()) {
156
        cpu_irq = pc_allocate_cpu_irq();
157
        i8259 = i8259_init(cpu_irq[0]);
158
    } else {
159
        i8259 = xen_interrupt_controller_init();
160
    }
161

    
162
    for (i = 0; i < ISA_NUM_IRQS; i++) {
163
        gsi_state->i8259_irq[i] = i8259[i];
164
    }
165
    if (pci_enabled) {
166
        ioapic_init(gsi_state);
167
    }
168

    
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    pc_register_ferr_irq(gsi[13]);
170

    
171
    pc_vga_init(pci_enabled? pci_bus: NULL);
172

    
173
    if (xen_enabled()) {
174
        pci_create_simple(pci_bus, -1, "xen-platform");
175
    }
176

    
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    /* init basic PC hardware */
178
    pc_basic_device_init(gsi, &rtc_state, &floppy, xen_enabled());
179

    
180
    for(i = 0; i < nb_nics; i++) {
181
        NICInfo *nd = &nd_table[i];
182

    
183
        if (!pci_enabled || (nd->model && strcmp(nd->model, "ne2k_isa") == 0))
184
            pc_init_ne2k_isa(nd);
185
        else
186
            pci_nic_init_nofail(nd, "e1000", NULL);
187
    }
188

    
189
    ide_drive_get(hd, MAX_IDE_BUS);
190
    if (pci_enabled) {
191
        PCIDevice *dev;
192
        if (xen_enabled()) {
193
            dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
194
        } else {
195
            dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
196
        }
197
        idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
198
        idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
199
    } else {
200
        for(i = 0; i < MAX_IDE_BUS; i++) {
201
            ISADevice *dev;
202
            dev = isa_ide_init(ide_iobase[i], ide_iobase2[i], ide_irq[i],
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                               hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
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            idebus[i] = qdev_get_child_bus(&dev->qdev, "ide.0");
205
        }
206
    }
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208
    audio_init(gsi, pci_enabled ? pci_bus : NULL);
209

    
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    pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device,
211
                 floppy, idebus[0], idebus[1], rtc_state);
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213
    if (pci_enabled && usb_enabled) {
214
        usb_uhci_piix3_init(pci_bus, piix3_devfn + 2);
215
    }
216

    
217
    if (pci_enabled && acpi_enabled) {
218
        i2c_bus *smbus;
219

    
220
        if (!xen_enabled()) {
221
            cmos_s3 = qemu_allocate_irqs(pc_cmos_set_s3_resume, rtc_state, 1);
222
        } else {
223
            cmos_s3 = qemu_allocate_irqs(xen_cmos_set_s3_resume, rtc_state, 1);
224
        }
225
        smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
226
        /* TODO: Populate SPD eeprom data.  */
227
        smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
228
                              gsi[9], *cmos_s3, *smi_irq,
229
                              kvm_enabled());
230
        smbus_eeprom_init(smbus, 8, NULL, 0);
231
    }
232

    
233
    if (pci_enabled) {
234
        pc_pci_device_init(pci_bus);
235
    }
236
}
237

    
238
static void pc_init_pci(ram_addr_t ram_size,
239
                        const char *boot_device,
240
                        const char *kernel_filename,
241
                        const char *kernel_cmdline,
242
                        const char *initrd_filename,
243
                        const char *cpu_model)
244
{
245
    pc_init1(get_system_memory(),
246
             get_system_io(),
247
             ram_size, boot_device,
248
             kernel_filename, kernel_cmdline,
249
             initrd_filename, cpu_model, 1, 1);
250
}
251

    
252
static void pc_init_pci_no_kvmclock(ram_addr_t ram_size,
253
                                    const char *boot_device,
254
                                    const char *kernel_filename,
255
                                    const char *kernel_cmdline,
256
                                    const char *initrd_filename,
257
                                    const char *cpu_model)
258
{
259
    pc_init1(get_system_memory(),
260
             get_system_io(),
261
             ram_size, boot_device,
262
             kernel_filename, kernel_cmdline,
263
             initrd_filename, cpu_model, 1, 0);
264
}
265

    
266
static void pc_init_isa(ram_addr_t ram_size,
267
                        const char *boot_device,
268
                        const char *kernel_filename,
269
                        const char *kernel_cmdline,
270
                        const char *initrd_filename,
271
                        const char *cpu_model)
272
{
273
    if (cpu_model == NULL)
274
        cpu_model = "486";
275
    pc_init1(get_system_memory(),
276
             get_system_io(),
277
             ram_size, boot_device,
278
             kernel_filename, kernel_cmdline,
279
             initrd_filename, cpu_model, 0, 1);
280
}
281

    
282
#ifdef CONFIG_XEN
283
static void pc_xen_hvm_init(ram_addr_t ram_size,
284
                            const char *boot_device,
285
                            const char *kernel_filename,
286
                            const char *kernel_cmdline,
287
                            const char *initrd_filename,
288
                            const char *cpu_model)
289
{
290
    if (xen_hvm_init() != 0) {
291
        hw_error("xen hardware virtual machine initialisation failed");
292
    }
293
    pc_init_pci_no_kvmclock(ram_size, boot_device,
294
                            kernel_filename, kernel_cmdline,
295
                            initrd_filename, cpu_model);
296
    xen_vcpu_init();
297
}
298
#endif
299

    
300
static QEMUMachine pc_machine_v1_0 = {
301
    .name = "pc-1.0",
302
    .alias = "pc",
303
    .desc = "Standard PC",
304
    .init = pc_init_pci,
305
    .max_cpus = 255,
306
    .is_default = 1,
307
};
308

    
309
static QEMUMachine pc_machine_v0_14 = {
310
    .name = "pc-0.14",
311
    .desc = "Standard PC",
312
    .init = pc_init_pci,
313
    .max_cpus = 255,
314
    .compat_props = (GlobalProperty[]) {
315
        {
316
            .driver   = "qxl",
317
            .property = "revision",
318
            .value    = stringify(2),
319
        },{
320
            .driver   = "qxl-vga",
321
            .property = "revision",
322
            .value    = stringify(2),
323
        },
324
        { /* end of list */ }
325
    },
326
};
327

    
328
static QEMUMachine pc_machine_v0_13 = {
329
    .name = "pc-0.13",
330
    .desc = "Standard PC",
331
    .init = pc_init_pci_no_kvmclock,
332
    .max_cpus = 255,
333
    .compat_props = (GlobalProperty[]) {
334
        {
335
            .driver   = "virtio-9p-pci",
336
            .property = "vectors",
337
            .value    = stringify(0),
338
        },{
339
            .driver   = "VGA",
340
            .property = "rombar",
341
            .value    = stringify(0),
342
        },{
343
            .driver   = "vmware-svga",
344
            .property = "rombar",
345
            .value    = stringify(0),
346
        },{
347
            .driver   = "PCI",
348
            .property = "command_serr_enable",
349
            .value    = "off",
350
        },{
351
            .driver   = "virtio-blk-pci",
352
            .property = "event_idx",
353
            .value    = "off",
354
        },{
355
            .driver   = "virtio-serial-pci",
356
            .property = "event_idx",
357
            .value    = "off",
358
        },{
359
            .driver   = "virtio-net-pci",
360
            .property = "event_idx",
361
            .value    = "off",
362
        },{
363
            .driver   = "AC97",
364
            .property = "use_broken_id",
365
            .value    = stringify(1),
366
        },
367
        { /* end of list */ }
368
    },
369
};
370

    
371
static QEMUMachine pc_machine_v0_12 = {
372
    .name = "pc-0.12",
373
    .desc = "Standard PC",
374
    .init = pc_init_pci_no_kvmclock,
375
    .max_cpus = 255,
376
    .compat_props = (GlobalProperty[]) {
377
        {
378
            .driver   = "virtio-serial-pci",
379
            .property = "max_ports",
380
            .value    = stringify(1),
381
        },{
382
            .driver   = "virtio-serial-pci",
383
            .property = "vectors",
384
            .value    = stringify(0),
385
        },{
386
            .driver   = "VGA",
387
            .property = "rombar",
388
            .value    = stringify(0),
389
        },{
390
            .driver   = "vmware-svga",
391
            .property = "rombar",
392
            .value    = stringify(0),
393
        },{
394
            .driver   = "PCI",
395
            .property = "command_serr_enable",
396
            .value    = "off",
397
        },{
398
            .driver   = "virtio-blk-pci",
399
            .property = "event_idx",
400
            .value    = "off",
401
        },{
402
            .driver   = "virtio-serial-pci",
403
            .property = "event_idx",
404
            .value    = "off",
405
        },{
406
            .driver   = "virtio-net-pci",
407
            .property = "event_idx",
408
            .value    = "off",
409
        },{
410
            .driver   = "AC97",
411
            .property = "use_broken_id",
412
            .value    = stringify(1),
413
        },
414
        { /* end of list */ }
415
    }
416
};
417

    
418
static QEMUMachine pc_machine_v0_11 = {
419
    .name = "pc-0.11",
420
    .desc = "Standard PC, qemu 0.11",
421
    .init = pc_init_pci_no_kvmclock,
422
    .max_cpus = 255,
423
    .compat_props = (GlobalProperty[]) {
424
        {
425
            .driver   = "virtio-blk-pci",
426
            .property = "vectors",
427
            .value    = stringify(0),
428
        },{
429
            .driver   = "virtio-serial-pci",
430
            .property = "max_ports",
431
            .value    = stringify(1),
432
        },{
433
            .driver   = "virtio-serial-pci",
434
            .property = "vectors",
435
            .value    = stringify(0),
436
        },{
437
            .driver   = "ide-drive",
438
            .property = "ver",
439
            .value    = "0.11",
440
        },{
441
            .driver   = "scsi-disk",
442
            .property = "ver",
443
            .value    = "0.11",
444
        },{
445
            .driver   = "PCI",
446
            .property = "rombar",
447
            .value    = stringify(0),
448
        },{
449
            .driver   = "PCI",
450
            .property = "command_serr_enable",
451
            .value    = "off",
452
        },{
453
            .driver   = "virtio-blk-pci",
454
            .property = "event_idx",
455
            .value    = "off",
456
        },{
457
            .driver   = "virtio-serial-pci",
458
            .property = "event_idx",
459
            .value    = "off",
460
        },{
461
            .driver   = "virtio-net-pci",
462
            .property = "event_idx",
463
            .value    = "off",
464
        },{
465
            .driver   = "AC97",
466
            .property = "use_broken_id",
467
            .value    = stringify(1),
468
        },
469
        { /* end of list */ }
470
    }
471
};
472

    
473
static QEMUMachine pc_machine_v0_10 = {
474
    .name = "pc-0.10",
475
    .desc = "Standard PC, qemu 0.10",
476
    .init = pc_init_pci_no_kvmclock,
477
    .max_cpus = 255,
478
    .compat_props = (GlobalProperty[]) {
479
        {
480
            .driver   = "virtio-blk-pci",
481
            .property = "class",
482
            .value    = stringify(PCI_CLASS_STORAGE_OTHER),
483
        },{
484
            .driver   = "virtio-serial-pci",
485
            .property = "class",
486
            .value    = stringify(PCI_CLASS_DISPLAY_OTHER),
487
        },{
488
            .driver   = "virtio-serial-pci",
489
            .property = "max_ports",
490
            .value    = stringify(1),
491
        },{
492
            .driver   = "virtio-serial-pci",
493
            .property = "vectors",
494
            .value    = stringify(0),
495
        },{
496
            .driver   = "virtio-net-pci",
497
            .property = "vectors",
498
            .value    = stringify(0),
499
        },{
500
            .driver   = "virtio-blk-pci",
501
            .property = "vectors",
502
            .value    = stringify(0),
503
        },{
504
            .driver   = "ide-drive",
505
            .property = "ver",
506
            .value    = "0.10",
507
        },{
508
            .driver   = "scsi-disk",
509
            .property = "ver",
510
            .value    = "0.10",
511
        },{
512
            .driver   = "PCI",
513
            .property = "rombar",
514
            .value    = stringify(0),
515
        },{
516
            .driver   = "PCI",
517
            .property = "command_serr_enable",
518
            .value    = "off",
519
        },{
520
            .driver   = "virtio-blk-pci",
521
            .property = "event_idx",
522
            .value    = "off",
523
        },{
524
            .driver   = "virtio-serial-pci",
525
            .property = "event_idx",
526
            .value    = "off",
527
        },{
528
            .driver   = "virtio-net-pci",
529
            .property = "event_idx",
530
            .value    = "off",
531
        },{
532
            .driver   = "AC97",
533
            .property = "use_broken_id",
534
            .value    = stringify(1),
535
        },
536
        { /* end of list */ }
537
    },
538
};
539

    
540
static QEMUMachine isapc_machine = {
541
    .name = "isapc",
542
    .desc = "ISA-only PC",
543
    .init = pc_init_isa,
544
    .max_cpus = 1,
545
};
546

    
547
#ifdef CONFIG_XEN
548
static QEMUMachine xenfv_machine = {
549
    .name = "xenfv",
550
    .desc = "Xen Fully-virtualized PC",
551
    .init = pc_xen_hvm_init,
552
    .max_cpus = HVM_MAX_VCPUS,
553
    .default_machine_opts = "accel=xen",
554
};
555
#endif
556

    
557
static void pc_machine_init(void)
558
{
559
    qemu_register_machine(&pc_machine_v1_0);
560
    qemu_register_machine(&pc_machine_v0_14);
561
    qemu_register_machine(&pc_machine_v0_13);
562
    qemu_register_machine(&pc_machine_v0_12);
563
    qemu_register_machine(&pc_machine_v0_11);
564
    qemu_register_machine(&pc_machine_v0_10);
565
    qemu_register_machine(&isapc_machine);
566
#ifdef CONFIG_XEN
567
    qemu_register_machine(&xenfv_machine);
568
#endif
569
}
570

    
571
machine_init(pc_machine_init);