qemu/hw/ppc/mac_oldworld.c
<<
>>
Prefs
   1
   2/*
   3 * QEMU OldWorld PowerMac (currently ~G3 Beige) hardware System Emulator
   4 *
   5 * Copyright (c) 2004-2007 Fabrice Bellard
   6 * Copyright (c) 2007 Jocelyn Mayer
   7 *
   8 * Permission is hereby granted, free of charge, to any person obtaining a copy
   9 * of this software and associated documentation files (the "Software"), to deal
  10 * in the Software without restriction, including without limitation the rights
  11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  12 * copies of the Software, and to permit persons to whom the Software is
  13 * furnished to do so, subject to the following conditions:
  14 *
  15 * The above copyright notice and this permission notice shall be included in
  16 * all copies or substantial portions of the Software.
  17 *
  18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  21 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  24 * THE SOFTWARE.
  25 */
  26
  27#include "qemu/osdep.h"
  28#include "qemu-common.h"
  29#include "qemu/units.h"
  30#include "qapi/error.h"
  31#include "hw/ppc/ppc.h"
  32#include "hw/qdev-properties.h"
  33#include "mac.h"
  34#include "hw/input/adb.h"
  35#include "sysemu/sysemu.h"
  36#include "net/net.h"
  37#include "hw/isa/isa.h"
  38#include "hw/pci/pci.h"
  39#include "hw/pci/pci_host.h"
  40#include "hw/boards.h"
  41#include "hw/nvram/fw_cfg.h"
  42#include "hw/char/escc.h"
  43#include "hw/misc/macio/macio.h"
  44#include "hw/ide.h"
  45#include "hw/loader.h"
  46#include "hw/fw-path-provider.h"
  47#include "elf.h"
  48#include "qemu/error-report.h"
  49#include "sysemu/kvm.h"
  50#include "sysemu/reset.h"
  51#include "kvm_ppc.h"
  52#include "exec/address-spaces.h"
  53
  54#define MAX_IDE_BUS 2
  55#define CFG_ADDR 0xf0000510
  56#define TBFREQ 16600000UL
  57#define CLOCKFREQ 266000000UL
  58#define BUSFREQ 66000000UL
  59
  60#define NDRV_VGA_FILENAME "qemu_vga.ndrv"
  61
  62#define GRACKLE_BASE 0xfec00000
  63
  64static void fw_cfg_boot_set(void *opaque, const char *boot_device,
  65                            Error **errp)
  66{
  67    fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
  68}
  69
  70static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
  71{
  72    return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR;
  73}
  74
  75static void ppc_heathrow_reset(void *opaque)
  76{
  77    PowerPCCPU *cpu = opaque;
  78
  79    cpu_reset(CPU(cpu));
  80}
  81
  82static void ppc_heathrow_init(MachineState *machine)
  83{
  84    ram_addr_t ram_size = machine->ram_size;
  85    const char *kernel_filename = machine->kernel_filename;
  86    const char *kernel_cmdline = machine->kernel_cmdline;
  87    const char *initrd_filename = machine->initrd_filename;
  88    const char *boot_device = machine->boot_order;
  89    MemoryRegion *sysmem = get_system_memory();
  90    PowerPCCPU *cpu = NULL;
  91    CPUPPCState *env = NULL;
  92    char *filename;
  93    int linux_boot, i;
  94    MemoryRegion *ram = g_new(MemoryRegion, 1);
  95    MemoryRegion *bios = g_new(MemoryRegion, 1);
  96    uint32_t kernel_base, initrd_base, cmdline_base = 0;
  97    int32_t kernel_size, initrd_size;
  98    PCIBus *pci_bus;
  99    OldWorldMacIOState *macio;
 100    MACIOIDEState *macio_ide;
 101    SysBusDevice *s;
 102    DeviceState *dev, *pic_dev;
 103    BusState *adb_bus;
 104    int bios_size;
 105    unsigned int smp_cpus = machine->smp.cpus;
 106    uint16_t ppc_boot_device;
 107    DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
 108    void *fw_cfg;
 109    uint64_t tbfreq;
 110
 111    linux_boot = (kernel_filename != NULL);
 112
 113    /* init CPUs */
 114    for (i = 0; i < smp_cpus; i++) {
 115        cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
 116        env = &cpu->env;
 117
 118        /* Set time-base frequency to 16.6 Mhz */
 119        cpu_ppc_tb_init(env,  TBFREQ);
 120        qemu_register_reset(ppc_heathrow_reset, cpu);
 121    }
 122
 123    /* allocate RAM */
 124    if (ram_size > 2047 * MiB) {
 125        error_report("Too much memory for this machine: %" PRId64 " MB, "
 126                     "maximum 2047 MB", ram_size / MiB);
 127        exit(1);
 128    }
 129
 130    memory_region_allocate_system_memory(ram, NULL, "ppc_heathrow.ram",
 131                                         ram_size);
 132    memory_region_add_subregion(sysmem, 0, ram);
 133
 134    /* allocate and load BIOS */
 135    memory_region_init_ram(bios, NULL, "ppc_heathrow.bios", BIOS_SIZE,
 136                           &error_fatal);
 137
 138    if (bios_name == NULL)
 139        bios_name = PROM_FILENAME;
 140    filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
 141    memory_region_set_readonly(bios, true);
 142    memory_region_add_subregion(sysmem, PROM_ADDR, bios);
 143
 144    /* Load OpenBIOS (ELF) */
 145    if (filename) {
 146        bios_size = load_elf(filename, NULL, 0, NULL, NULL, NULL, NULL,
 147                             1, PPC_ELF_MACHINE, 0, 0);
 148        g_free(filename);
 149    } else {
 150        bios_size = -1;
 151    }
 152    if (bios_size < 0 || bios_size > BIOS_SIZE) {
 153        error_report("could not load PowerPC bios '%s'", bios_name);
 154        exit(1);
 155    }
 156
 157    if (linux_boot) {
 158        uint64_t lowaddr = 0;
 159        int bswap_needed;
 160
 161#ifdef BSWAP_NEEDED
 162        bswap_needed = 1;
 163#else
 164        bswap_needed = 0;
 165#endif
 166        kernel_base = KERNEL_LOAD_ADDR;
 167        kernel_size = load_elf(kernel_filename, NULL,
 168                               translate_kernel_address, NULL,
 169                               NULL, &lowaddr, NULL, 1, PPC_ELF_MACHINE,
 170                               0, 0);
 171        if (kernel_size < 0)
 172            kernel_size = load_aout(kernel_filename, kernel_base,
 173                                    ram_size - kernel_base, bswap_needed,
 174                                    TARGET_PAGE_SIZE);
 175        if (kernel_size < 0)
 176            kernel_size = load_image_targphys(kernel_filename,
 177                                              kernel_base,
 178                                              ram_size - kernel_base);
 179        if (kernel_size < 0) {
 180            error_report("could not load kernel '%s'", kernel_filename);
 181            exit(1);
 182        }
 183        /* load initrd */
 184        if (initrd_filename) {
 185            initrd_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
 186            initrd_size = load_image_targphys(initrd_filename, initrd_base,
 187                                              ram_size - initrd_base);
 188            if (initrd_size < 0) {
 189                error_report("could not load initial ram disk '%s'",
 190                             initrd_filename);
 191                exit(1);
 192            }
 193            cmdline_base = TARGET_PAGE_ALIGN(initrd_base + initrd_size);
 194        } else {
 195            initrd_base = 0;
 196            initrd_size = 0;
 197            cmdline_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
 198        }
 199        ppc_boot_device = 'm';
 200    } else {
 201        kernel_base = 0;
 202        kernel_size = 0;
 203        initrd_base = 0;
 204        initrd_size = 0;
 205        ppc_boot_device = '\0';
 206        for (i = 0; boot_device[i] != '\0'; i++) {
 207            /* TOFIX: for now, the second IDE channel is not properly
 208             *        used by OHW. The Mac floppy disk are not emulated.
 209             *        For now, OHW cannot boot from the network.
 210             */
 211#if 0
 212            if (boot_device[i] >= 'a' && boot_device[i] <= 'f') {
 213                ppc_boot_device = boot_device[i];
 214                break;
 215            }
 216#else
 217            if (boot_device[i] >= 'c' && boot_device[i] <= 'd') {
 218                ppc_boot_device = boot_device[i];
 219                break;
 220            }
 221#endif
 222        }
 223        if (ppc_boot_device == '\0') {
 224            error_report("No valid boot device for G3 Beige machine");
 225            exit(1);
 226        }
 227    }
 228
 229    /* XXX: we register only 1 output pin for heathrow PIC */
 230    pic_dev = qdev_create(NULL, TYPE_HEATHROW);
 231    qdev_init_nofail(pic_dev);
 232
 233    /* Connect the heathrow PIC outputs to the 6xx bus */
 234    for (i = 0; i < smp_cpus; i++) {
 235        switch (PPC_INPUT(env)) {
 236        case PPC_FLAGS_INPUT_6xx:
 237            qdev_connect_gpio_out(pic_dev, 0,
 238                ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT]);
 239            break;
 240        default:
 241            error_report("Bus model not supported on OldWorld Mac machine");
 242            exit(1);
 243        }
 244    }
 245
 246    /* Timebase Frequency */
 247    if (kvm_enabled()) {
 248        tbfreq = kvmppc_get_tbfreq();
 249    } else {
 250        tbfreq = TBFREQ;
 251    }
 252
 253    /* init basic PC hardware */
 254    if (PPC_INPUT(env) != PPC_FLAGS_INPUT_6xx) {
 255        error_report("Only 6xx bus is supported on heathrow machine");
 256        exit(1);
 257    }
 258
 259    /* Grackle PCI host bridge */
 260    dev = qdev_create(NULL, TYPE_GRACKLE_PCI_HOST_BRIDGE);
 261    qdev_prop_set_uint32(dev, "ofw-addr", 0x80000000);
 262    object_property_set_link(OBJECT(dev), OBJECT(pic_dev), "pic",
 263                             &error_abort);
 264    qdev_init_nofail(dev);
 265    s = SYS_BUS_DEVICE(dev);
 266    sysbus_mmio_map(s, 0, GRACKLE_BASE);
 267    sysbus_mmio_map(s, 1, GRACKLE_BASE + 0x200000);
 268    /* PCI hole */
 269    memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
 270                                sysbus_mmio_get_region(s, 2));
 271    /* Register 2 MB of ISA IO space */
 272    memory_region_add_subregion(get_system_memory(), 0xfe000000,
 273                                sysbus_mmio_get_region(s, 3));
 274
 275    pci_bus = PCI_HOST_BRIDGE(dev)->bus;
 276
 277    pci_vga_init(pci_bus);
 278
 279    for (i = 0; i < nb_nics; i++) {
 280        pci_nic_init_nofail(&nd_table[i], pci_bus, "ne2k_pci", NULL);
 281    }
 282
 283    ide_drive_get(hd, ARRAY_SIZE(hd));
 284
 285    /* MacIO */
 286    macio = OLDWORLD_MACIO(pci_create(pci_bus, -1, TYPE_OLDWORLD_MACIO));
 287    dev = DEVICE(macio);
 288    qdev_prop_set_uint64(dev, "frequency", tbfreq);
 289    object_property_set_link(OBJECT(macio), OBJECT(pic_dev), "pic",
 290                             &error_abort);
 291    qdev_init_nofail(dev);
 292
 293    macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
 294                                                        "ide[0]"));
 295    macio_ide_init_drives(macio_ide, hd);
 296
 297    macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
 298                                                        "ide[1]"));
 299    macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]);
 300
 301    dev = DEVICE(object_resolve_path_component(OBJECT(macio), "cuda"));
 302    adb_bus = qdev_get_child_bus(dev, "adb.0");
 303    dev = qdev_create(adb_bus, TYPE_ADB_KEYBOARD);
 304    qdev_init_nofail(dev);
 305    dev = qdev_create(adb_bus, TYPE_ADB_MOUSE);
 306    qdev_init_nofail(dev);
 307
 308    if (machine_usb(machine)) {
 309        pci_create_simple(pci_bus, -1, "pci-ohci");
 310    }
 311
 312    if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8)
 313        graphic_depth = 15;
 314
 315    /* No PCI init: the BIOS will do it */
 316
 317    dev = qdev_create(NULL, TYPE_FW_CFG_MEM);
 318    fw_cfg = FW_CFG(dev);
 319    qdev_prop_set_uint32(dev, "data_width", 1);
 320    qdev_prop_set_bit(dev, "dma_enabled", false);
 321    object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
 322                              OBJECT(fw_cfg), NULL);
 323    qdev_init_nofail(dev);
 324    s = SYS_BUS_DEVICE(dev);
 325    sysbus_mmio_map(s, 0, CFG_ADDR);
 326    sysbus_mmio_map(s, 1, CFG_ADDR + 2);
 327
 328    fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
 329    fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)machine->smp.max_cpus);
 330    fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
 331    fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, ARCH_HEATHROW);
 332    fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
 333    fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
 334    if (kernel_cmdline) {
 335        fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
 336        pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
 337    } else {
 338        fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
 339    }
 340    fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
 341    fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
 342    fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
 343
 344    fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
 345    fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
 346    fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
 347
 348    fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
 349    if (kvm_enabled()) {
 350        uint8_t *hypercall;
 351
 352        hypercall = g_malloc(16);
 353        kvmppc_get_hypercall(env, hypercall, 16);
 354        fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
 355        fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
 356    }
 357    fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq);
 358    /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
 359    fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ);
 360    fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ);
 361
 362    /* MacOS NDRV VGA driver */
 363    filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, NDRV_VGA_FILENAME);
 364    if (filename) {
 365        gchar *ndrv_file;
 366        gsize ndrv_size;
 367
 368        if (g_file_get_contents(filename, &ndrv_file, &ndrv_size, NULL)) {
 369            fw_cfg_add_file(fw_cfg, "ndrv/qemu_vga.ndrv", ndrv_file, ndrv_size);
 370        }
 371        g_free(filename);
 372    }
 373
 374    qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
 375}
 376
 377/*
 378 * Implementation of an interface to adjust firmware path
 379 * for the bootindex property handling.
 380 */
 381static char *heathrow_fw_dev_path(FWPathProvider *p, BusState *bus,
 382                                  DeviceState *dev)
 383{
 384    PCIDevice *pci;
 385    IDEBus *ide_bus;
 386    IDEState *ide_s;
 387    MACIOIDEState *macio_ide;
 388
 389    if (!strcmp(object_get_typename(OBJECT(dev)), "macio-oldworld")) {
 390        pci = PCI_DEVICE(dev);
 391        return g_strdup_printf("mac-io@%x", PCI_SLOT(pci->devfn));
 392    }
 393
 394    if (!strcmp(object_get_typename(OBJECT(dev)), "macio-ide")) {
 395        macio_ide = MACIO_IDE(dev);
 396        return g_strdup_printf("ata-3@%x", macio_ide->addr);
 397    }
 398
 399    if (!strcmp(object_get_typename(OBJECT(dev)), "ide-drive")) {
 400        ide_bus = IDE_BUS(qdev_get_parent_bus(dev));
 401        ide_s = idebus_active_if(ide_bus);
 402
 403        if (ide_s->drive_kind == IDE_CD) {
 404            return g_strdup("cdrom");
 405        }
 406
 407        return g_strdup("disk");
 408    }
 409
 410    if (!strcmp(object_get_typename(OBJECT(dev)), "ide-hd")) {
 411        return g_strdup("disk");
 412    }
 413
 414    if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
 415        return g_strdup("cdrom");
 416    }
 417
 418    if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
 419        return g_strdup("disk");
 420    }
 421
 422    return NULL;
 423}
 424
 425static int heathrow_kvm_type(MachineState *machine, const char *arg)
 426{
 427    /* Always force PR KVM */
 428    return 2;
 429}
 430
 431static void heathrow_class_init(ObjectClass *oc, void *data)
 432{
 433    MachineClass *mc = MACHINE_CLASS(oc);
 434    FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
 435
 436    mc->desc = "Heathrow based PowerMAC";
 437    mc->init = ppc_heathrow_init;
 438    mc->block_default_type = IF_IDE;
 439    mc->max_cpus = MAX_CPUS;
 440#ifndef TARGET_PPC64
 441    mc->is_default = 1;
 442#endif
 443    /* TOFIX "cad" when Mac floppy is implemented */
 444    mc->default_boot_order = "cd";
 445    mc->kvm_type = heathrow_kvm_type;
 446    mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("750_v3.1");
 447    mc->default_display = "std";
 448    mc->ignore_boot_device_suffixes = true;
 449    fwc->get_dev_path = heathrow_fw_dev_path;
 450}
 451
 452static const TypeInfo ppc_heathrow_machine_info = {
 453    .name          = MACHINE_TYPE_NAME("g3beige"),
 454    .parent        = TYPE_MACHINE,
 455    .class_init    = heathrow_class_init,
 456    .interfaces = (InterfaceInfo[]) {
 457        { TYPE_FW_PATH_PROVIDER },
 458        { }
 459    },
 460};
 461
 462static void ppc_heathrow_register_types(void)
 463{
 464    type_register_static(&ppc_heathrow_machine_info);
 465}
 466
 467type_init(ppc_heathrow_register_types);
 468