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mac_newworld.c (24539B)


      1 /*
      2  * QEMU PowerPC CHRP (currently NewWorld PowerMac) hardware System Emulator
      3  *
      4  * Copyright (c) 2004-2007 Fabrice Bellard
      5  * Copyright (c) 2007 Jocelyn Mayer
      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
      9  * in the Software without restriction, including without limitation the rights
     10  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     11  * copies of the Software, and to permit persons to whom the Software is
     12  * furnished to do so, subject to the following conditions:
     13  *
     14  * The above copyright notice and this permission notice shall be included in
     15  * all copies or substantial portions of the Software.
     16  *
     17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
     20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
     23  * THE SOFTWARE.
     24  *
     25  * PCI bus layout on a real G5 (U3 based):
     26  *
     27  * 0000:f0:0b.0 Host bridge [0600]: Apple Computer Inc. U3 AGP [106b:004b]
     28  * 0000:f0:10.0 VGA compatible controller [0300]: ATI Technologies Inc RV350 AP [Radeon 9600] [1002:4150]
     29  * 0001:00:00.0 Host bridge [0600]: Apple Computer Inc. CPC945 HT Bridge [106b:004a]
     30  * 0001:00:01.0 PCI bridge [0604]: Advanced Micro Devices [AMD] AMD-8131 PCI-X Bridge [1022:7450] (rev 12)
     31  * 0001:00:02.0 PCI bridge [0604]: Advanced Micro Devices [AMD] AMD-8131 PCI-X Bridge [1022:7450] (rev 12)
     32  * 0001:00:03.0 PCI bridge [0604]: Apple Computer Inc. K2 HT-PCI Bridge [106b:0045]
     33  * 0001:00:04.0 PCI bridge [0604]: Apple Computer Inc. K2 HT-PCI Bridge [106b:0046]
     34  * 0001:00:05.0 PCI bridge [0604]: Apple Computer Inc. K2 HT-PCI Bridge [106b:0047]
     35  * 0001:00:06.0 PCI bridge [0604]: Apple Computer Inc. K2 HT-PCI Bridge [106b:0048]
     36  * 0001:00:07.0 PCI bridge [0604]: Apple Computer Inc. K2 HT-PCI Bridge [106b:0049]
     37  * 0001:01:07.0 Class [ff00]: Apple Computer Inc. K2 KeyLargo Mac/IO [106b:0041] (rev 20)
     38  * 0001:01:08.0 USB Controller [0c03]: Apple Computer Inc. K2 KeyLargo USB [106b:0040]
     39  * 0001:01:09.0 USB Controller [0c03]: Apple Computer Inc. K2 KeyLargo USB [106b:0040]
     40  * 0001:02:0b.0 USB Controller [0c03]: NEC Corporation USB [1033:0035] (rev 43)
     41  * 0001:02:0b.1 USB Controller [0c03]: NEC Corporation USB [1033:0035] (rev 43)
     42  * 0001:02:0b.2 USB Controller [0c03]: NEC Corporation USB 2.0 [1033:00e0] (rev 04)
     43  * 0001:03:0d.0 Class [ff00]: Apple Computer Inc. K2 ATA/100 [106b:0043]
     44  * 0001:03:0e.0 FireWire (IEEE 1394) [0c00]: Apple Computer Inc. K2 FireWire [106b:0042]
     45  * 0001:04:0f.0 Ethernet controller [0200]: Apple Computer Inc. K2 GMAC (Sun GEM) [106b:004c]
     46  * 0001:05:0c.0 IDE interface [0101]: Broadcom K2 SATA [1166:0240]
     47  */
     48 
     49 #include "qemu/osdep.h"
     50 #include "qemu/datadir.h"
     51 #include "qemu/units.h"
     52 #include "qapi/error.h"
     53 #include "hw/ppc/ppc.h"
     54 #include "hw/qdev-properties.h"
     55 #include "hw/nvram/mac_nvram.h"
     56 #include "hw/boards.h"
     57 #include "hw/pci-host/uninorth.h"
     58 #include "hw/input/adb.h"
     59 #include "hw/ppc/mac_dbdma.h"
     60 #include "hw/pci/pci.h"
     61 #include "net/net.h"
     62 #include "sysemu/sysemu.h"
     63 #include "hw/nvram/fw_cfg.h"
     64 #include "hw/char/escc.h"
     65 #include "hw/misc/macio/macio.h"
     66 #include "hw/ppc/openpic.h"
     67 #include "hw/loader.h"
     68 #include "hw/fw-path-provider.h"
     69 #include "elf.h"
     70 #include "qemu/error-report.h"
     71 #include "sysemu/kvm.h"
     72 #include "sysemu/reset.h"
     73 #include "kvm_ppc.h"
     74 #include "hw/usb.h"
     75 #include "hw/sysbus.h"
     76 #include "trace.h"
     77 
     78 #define MAX_IDE_BUS 2
     79 #define CFG_ADDR 0xf0000510
     80 #define TBFREQ (100UL * 1000UL * 1000UL)
     81 #define CLOCKFREQ (900UL * 1000UL * 1000UL)
     82 #define BUSFREQ (100UL * 1000UL * 1000UL)
     83 
     84 #define NDRV_VGA_FILENAME "qemu_vga.ndrv"
     85 
     86 #define PROM_FILENAME "openbios-ppc"
     87 #define PROM_BASE 0xfff00000
     88 #define PROM_SIZE (1 * MiB)
     89 
     90 #define KERNEL_LOAD_ADDR 0x01000000
     91 #define KERNEL_GAP       0x00100000
     92 
     93 #define TYPE_CORE99_MACHINE MACHINE_TYPE_NAME("mac99")
     94 typedef struct Core99MachineState Core99MachineState;
     95 DECLARE_INSTANCE_CHECKER(Core99MachineState, CORE99_MACHINE,
     96                          TYPE_CORE99_MACHINE)
     97 
     98 typedef enum {
     99     CORE99_VIA_CONFIG_CUDA = 0,
    100     CORE99_VIA_CONFIG_PMU,
    101     CORE99_VIA_CONFIG_PMU_ADB
    102 } Core99ViaConfig;
    103 
    104 struct Core99MachineState {
    105     /*< private >*/
    106     MachineState parent;
    107 
    108     Core99ViaConfig via_config;
    109 };
    110 
    111 static void fw_cfg_boot_set(void *opaque, const char *boot_device,
    112                             Error **errp)
    113 {
    114     fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
    115 }
    116 
    117 static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
    118 {
    119     return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR;
    120 }
    121 
    122 static void ppc_core99_reset(void *opaque)
    123 {
    124     PowerPCCPU *cpu = opaque;
    125 
    126     cpu_reset(CPU(cpu));
    127     /* 970 CPUs want to get their initial IP as part of their boot protocol */
    128     cpu->env.nip = PROM_BASE + 0x100;
    129 }
    130 
    131 /* PowerPC Mac99 hardware initialisation */
    132 static void ppc_core99_init(MachineState *machine)
    133 {
    134     Core99MachineState *core99_machine = CORE99_MACHINE(machine);
    135     PowerPCCPU *cpu = NULL;
    136     CPUPPCState *env = NULL;
    137     char *filename;
    138     IrqLines *openpic_irqs;
    139     int i, j, k, ppc_boot_device, machine_arch, bios_size = -1;
    140     const char *bios_name = machine->firmware ?: PROM_FILENAME;
    141     MemoryRegion *bios = g_new(MemoryRegion, 1);
    142     hwaddr kernel_base = 0, initrd_base = 0, cmdline_base = 0;
    143     long kernel_size = 0, initrd_size = 0;
    144     PCIBus *pci_bus;
    145     bool has_pmu, has_adb;
    146     Object *macio;
    147     MACIOIDEState *macio_ide;
    148     BusState *adb_bus;
    149     MacIONVRAMState *nvr;
    150     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
    151     void *fw_cfg;
    152     SysBusDevice *s;
    153     DeviceState *dev, *pic_dev, *uninorth_pci_dev;
    154     DeviceState *uninorth_internal_dev = NULL, *uninorth_agp_dev = NULL;
    155     hwaddr nvram_addr = 0xFFF04000;
    156     uint64_t tbfreq = kvm_enabled() ? kvmppc_get_tbfreq() : TBFREQ;
    157 
    158     /* init CPUs */
    159     for (i = 0; i < machine->smp.cpus; i++) {
    160         cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
    161         env = &cpu->env;
    162 
    163         /* Set time-base frequency to 100 Mhz */
    164         cpu_ppc_tb_init(env, TBFREQ);
    165         qemu_register_reset(ppc_core99_reset, cpu);
    166     }
    167 
    168     /* allocate RAM */
    169     if (machine->ram_size > 2 * GiB) {
    170         error_report("RAM size more than 2 GiB is not supported");
    171         exit(1);
    172     }
    173     memory_region_add_subregion(get_system_memory(), 0, machine->ram);
    174 
    175     /* allocate and load firmware ROM */
    176     memory_region_init_rom(bios, NULL, "ppc_core99.bios", PROM_SIZE,
    177                            &error_fatal);
    178     memory_region_add_subregion(get_system_memory(), PROM_BASE, bios);
    179 
    180     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
    181     if (filename) {
    182         /* Load OpenBIOS (ELF) */
    183         bios_size = load_elf(filename, NULL, NULL, NULL, NULL,
    184                              NULL, NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0);
    185 
    186         if (bios_size <= 0) {
    187             /* or load binary ROM image */
    188             bios_size = load_image_targphys(filename, PROM_BASE, PROM_SIZE);
    189         }
    190         g_free(filename);
    191     }
    192     if (bios_size < 0 || bios_size > PROM_SIZE) {
    193         error_report("could not load PowerPC bios '%s'", bios_name);
    194         exit(1);
    195     }
    196 
    197     if (machine->kernel_filename) {
    198         int bswap_needed = 0;
    199 
    200 #ifdef BSWAP_NEEDED
    201         bswap_needed = 1;
    202 #endif
    203         kernel_base = KERNEL_LOAD_ADDR;
    204         kernel_size = load_elf(machine->kernel_filename, NULL,
    205                                translate_kernel_address, NULL, NULL, NULL,
    206                                NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0);
    207         if (kernel_size < 0) {
    208             kernel_size = load_aout(machine->kernel_filename, kernel_base,
    209                                     machine->ram_size - kernel_base,
    210                                     bswap_needed, TARGET_PAGE_SIZE);
    211         }
    212         if (kernel_size < 0) {
    213             kernel_size = load_image_targphys(machine->kernel_filename,
    214                                               kernel_base,
    215                                               machine->ram_size - kernel_base);
    216         }
    217         if (kernel_size < 0) {
    218             error_report("could not load kernel '%s'",
    219                          machine->kernel_filename);
    220             exit(1);
    221         }
    222         /* load initrd */
    223         if (machine->initrd_filename) {
    224             initrd_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
    225             initrd_size = load_image_targphys(machine->initrd_filename,
    226                                               initrd_base,
    227                                               machine->ram_size - initrd_base);
    228             if (initrd_size < 0) {
    229                 error_report("could not load initial ram disk '%s'",
    230                              machine->initrd_filename);
    231                 exit(1);
    232             }
    233             cmdline_base = TARGET_PAGE_ALIGN(initrd_base + initrd_size);
    234         } else {
    235             cmdline_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
    236         }
    237         ppc_boot_device = 'm';
    238     } else {
    239         ppc_boot_device = '\0';
    240         /* We consider that NewWorld PowerMac never have any floppy drive
    241          * For now, OHW cannot boot from the network.
    242          */
    243         for (i = 0; machine->boot_config.order[i] != '\0'; i++) {
    244             if (machine->boot_config.order[i] >= 'c' &&
    245                 machine->boot_config.order[i] <= 'f') {
    246                 ppc_boot_device = machine->boot_config.order[i];
    247                 break;
    248             }
    249         }
    250         if (ppc_boot_device == '\0') {
    251             error_report("No valid boot device for Mac99 machine");
    252             exit(1);
    253         }
    254     }
    255 
    256     openpic_irqs = g_new0(IrqLines, machine->smp.cpus);
    257     dev = DEVICE(cpu);
    258     for (i = 0; i < machine->smp.cpus; i++) {
    259         /* Mac99 IRQ connection between OpenPIC outputs pins
    260          * and PowerPC input pins
    261          */
    262         switch (PPC_INPUT(env)) {
    263         case PPC_FLAGS_INPUT_6xx:
    264             openpic_irqs[i].irq[OPENPIC_OUTPUT_INT] =
    265                 qdev_get_gpio_in(dev, PPC6xx_INPUT_INT);
    266             openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
    267                  qdev_get_gpio_in(dev, PPC6xx_INPUT_INT);
    268             openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
    269                 qdev_get_gpio_in(dev, PPC6xx_INPUT_MCP);
    270             /* Not connected ? */
    271             openpic_irqs[i].irq[OPENPIC_OUTPUT_DEBUG] = NULL;
    272             /* Check this */
    273             openpic_irqs[i].irq[OPENPIC_OUTPUT_RESET] =
    274                 qdev_get_gpio_in(dev, PPC6xx_INPUT_HRESET);
    275             break;
    276 #if defined(TARGET_PPC64)
    277         case PPC_FLAGS_INPUT_970:
    278             openpic_irqs[i].irq[OPENPIC_OUTPUT_INT] =
    279                 qdev_get_gpio_in(dev, PPC970_INPUT_INT);
    280             openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
    281                 qdev_get_gpio_in(dev, PPC970_INPUT_INT);
    282             openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
    283                 qdev_get_gpio_in(dev, PPC970_INPUT_MCP);
    284             /* Not connected ? */
    285             openpic_irqs[i].irq[OPENPIC_OUTPUT_DEBUG] = NULL;
    286             /* Check this */
    287             openpic_irqs[i].irq[OPENPIC_OUTPUT_RESET] =
    288                 qdev_get_gpio_in(dev, PPC970_INPUT_HRESET);
    289             break;
    290 #endif /* defined(TARGET_PPC64) */
    291         default:
    292             error_report("Bus model not supported on mac99 machine");
    293             exit(1);
    294         }
    295     }
    296 
    297     /* UniN init */
    298     s = SYS_BUS_DEVICE(qdev_new(TYPE_UNI_NORTH));
    299     sysbus_realize_and_unref(s, &error_fatal);
    300     memory_region_add_subregion(get_system_memory(), 0xf8000000,
    301                                 sysbus_mmio_get_region(s, 0));
    302 
    303     if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) {
    304         machine_arch = ARCH_MAC99_U3;
    305         /* 970 gets a U3 bus */
    306         /* Uninorth AGP bus */
    307         uninorth_pci_dev = qdev_new(TYPE_U3_AGP_HOST_BRIDGE);
    308         s = SYS_BUS_DEVICE(uninorth_pci_dev);
    309         sysbus_realize_and_unref(s, &error_fatal);
    310         sysbus_mmio_map(s, 0, 0xf0800000);
    311         sysbus_mmio_map(s, 1, 0xf0c00000);
    312         /* PCI hole */
    313         memory_region_add_subregion(get_system_memory(), 0x80000000,
    314                                     sysbus_mmio_get_region(s, 2));
    315         /* Register 8 MB of ISA IO space */
    316         memory_region_add_subregion(get_system_memory(), 0xf2000000,
    317                                     sysbus_mmio_get_region(s, 3));
    318     } else {
    319         machine_arch = ARCH_MAC99;
    320         /* Use values found on a real PowerMac */
    321         /* Uninorth AGP bus */
    322         uninorth_agp_dev = qdev_new(TYPE_UNI_NORTH_AGP_HOST_BRIDGE);
    323         s = SYS_BUS_DEVICE(uninorth_agp_dev);
    324         sysbus_realize_and_unref(s, &error_fatal);
    325         sysbus_mmio_map(s, 0, 0xf0800000);
    326         sysbus_mmio_map(s, 1, 0xf0c00000);
    327 
    328         /* Uninorth internal bus */
    329         uninorth_internal_dev = qdev_new(
    330                                 TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE);
    331         s = SYS_BUS_DEVICE(uninorth_internal_dev);
    332         sysbus_realize_and_unref(s, &error_fatal);
    333         sysbus_mmio_map(s, 0, 0xf4800000);
    334         sysbus_mmio_map(s, 1, 0xf4c00000);
    335 
    336         /* Uninorth main bus - this must be last to make it the default */
    337         uninorth_pci_dev = qdev_new(TYPE_UNI_NORTH_PCI_HOST_BRIDGE);
    338         qdev_prop_set_uint32(uninorth_pci_dev, "ofw-addr", 0xf2000000);
    339         s = SYS_BUS_DEVICE(uninorth_pci_dev);
    340         sysbus_realize_and_unref(s, &error_fatal);
    341         sysbus_mmio_map(s, 0, 0xf2800000);
    342         sysbus_mmio_map(s, 1, 0xf2c00000);
    343         /* PCI hole */
    344         memory_region_add_subregion(get_system_memory(), 0x80000000,
    345                                     sysbus_mmio_get_region(s, 2));
    346         /* Register 8 MB of ISA IO space */
    347         memory_region_add_subregion(get_system_memory(), 0xf2000000,
    348                                     sysbus_mmio_get_region(s, 3));
    349     }
    350 
    351     machine->usb |= defaults_enabled() && !machine->usb_disabled;
    352     has_pmu = (core99_machine->via_config != CORE99_VIA_CONFIG_CUDA);
    353     has_adb = (core99_machine->via_config == CORE99_VIA_CONFIG_CUDA ||
    354                core99_machine->via_config == CORE99_VIA_CONFIG_PMU_ADB);
    355 
    356     /* init basic PC hardware */
    357     pci_bus = PCI_HOST_BRIDGE(uninorth_pci_dev)->bus;
    358 
    359     /* MacIO */
    360     macio = OBJECT(pci_new(-1, TYPE_NEWWORLD_MACIO));
    361     dev = DEVICE(macio);
    362     qdev_prop_set_uint64(dev, "frequency", tbfreq);
    363     qdev_prop_set_bit(dev, "has-pmu", has_pmu);
    364     qdev_prop_set_bit(dev, "has-adb", has_adb);
    365 
    366     dev = DEVICE(object_resolve_path_component(macio, "escc"));
    367     qdev_prop_set_chr(dev, "chrA", serial_hd(0));
    368     qdev_prop_set_chr(dev, "chrB", serial_hd(1));
    369 
    370     pci_realize_and_unref(PCI_DEVICE(macio), pci_bus, &error_fatal);
    371 
    372     pic_dev = DEVICE(object_resolve_path_component(macio, "pic"));
    373     for (i = 0; i < 4; i++) {
    374         qdev_connect_gpio_out(uninorth_pci_dev, i,
    375                               qdev_get_gpio_in(pic_dev, 0x1b + i));
    376     }
    377 
    378     /* TODO: additional PCI buses only wired up for 32-bit machines */
    379     if (PPC_INPUT(env) != PPC_FLAGS_INPUT_970) {
    380         /* Uninorth AGP bus */
    381         for (i = 0; i < 4; i++) {
    382             qdev_connect_gpio_out(uninorth_agp_dev, i,
    383                                   qdev_get_gpio_in(pic_dev, 0x1b + i));
    384         }
    385 
    386         /* Uninorth internal bus */
    387         for (i = 0; i < 4; i++) {
    388             qdev_connect_gpio_out(uninorth_internal_dev, i,
    389                                   qdev_get_gpio_in(pic_dev, 0x1b + i));
    390         }
    391     }
    392 
    393     /* OpenPIC */
    394     s = SYS_BUS_DEVICE(pic_dev);
    395     k = 0;
    396     for (i = 0; i < machine->smp.cpus; i++) {
    397         for (j = 0; j < OPENPIC_OUTPUT_NB; j++) {
    398             sysbus_connect_irq(s, k++, openpic_irqs[i].irq[j]);
    399         }
    400     }
    401     g_free(openpic_irqs);
    402 
    403     /* We only emulate 2 out of 3 IDE controllers for now */
    404     ide_drive_get(hd, ARRAY_SIZE(hd));
    405 
    406     macio_ide = MACIO_IDE(object_resolve_path_component(macio, "ide[0]"));
    407     macio_ide_init_drives(macio_ide, hd);
    408 
    409     macio_ide = MACIO_IDE(object_resolve_path_component(macio, "ide[1]"));
    410     macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]);
    411 
    412     if (has_adb) {
    413         if (has_pmu) {
    414             dev = DEVICE(object_resolve_path_component(macio, "pmu"));
    415         } else {
    416             dev = DEVICE(object_resolve_path_component(macio, "cuda"));
    417         }
    418 
    419         adb_bus = qdev_get_child_bus(dev, "adb.0");
    420         dev = qdev_new(TYPE_ADB_KEYBOARD);
    421         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
    422 
    423         dev = qdev_new(TYPE_ADB_MOUSE);
    424         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
    425     }
    426 
    427     if (machine->usb) {
    428         pci_create_simple(pci_bus, -1, "pci-ohci");
    429 
    430         /* U3 needs to use USB for input because Linux doesn't support via-cuda
    431         on PPC64 */
    432         if (!has_adb || machine_arch == ARCH_MAC99_U3) {
    433             USBBus *usb_bus = usb_bus_find(-1);
    434 
    435             usb_create_simple(usb_bus, "usb-kbd");
    436             usb_create_simple(usb_bus, "usb-mouse");
    437         }
    438     }
    439 
    440     pci_vga_init(pci_bus);
    441 
    442     if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8) {
    443         graphic_depth = 15;
    444     }
    445 
    446     for (i = 0; i < nb_nics; i++) {
    447         pci_nic_init_nofail(&nd_table[i], pci_bus, "sungem", NULL);
    448     }
    449 
    450     /* The NewWorld NVRAM is not located in the MacIO device */
    451     if (kvm_enabled() && qemu_real_host_page_size() > 4096) {
    452         /* We can't combine read-write and read-only in a single page, so
    453            move the NVRAM out of ROM again for KVM */
    454         nvram_addr = 0xFFE00000;
    455     }
    456     dev = qdev_new(TYPE_MACIO_NVRAM);
    457     qdev_prop_set_uint32(dev, "size", MACIO_NVRAM_SIZE);
    458     qdev_prop_set_uint32(dev, "it_shift", 1);
    459     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
    460     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, nvram_addr);
    461     nvr = MACIO_NVRAM(dev);
    462     pmac_format_nvram_partition(nvr, MACIO_NVRAM_SIZE);
    463     /* No PCI init: the BIOS will do it */
    464 
    465     dev = qdev_new(TYPE_FW_CFG_MEM);
    466     fw_cfg = FW_CFG(dev);
    467     qdev_prop_set_uint32(dev, "data_width", 1);
    468     qdev_prop_set_bit(dev, "dma_enabled", false);
    469     object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
    470                               OBJECT(fw_cfg));
    471     s = SYS_BUS_DEVICE(dev);
    472     sysbus_realize_and_unref(s, &error_fatal);
    473     sysbus_mmio_map(s, 0, CFG_ADDR);
    474     sysbus_mmio_map(s, 1, CFG_ADDR + 2);
    475 
    476     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)machine->smp.cpus);
    477     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)machine->smp.max_cpus);
    478     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)machine->ram_size);
    479     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, machine_arch);
    480     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
    481     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
    482     if (machine->kernel_cmdline) {
    483         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
    484         pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE,
    485                          machine->kernel_cmdline);
    486     } else {
    487         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
    488     }
    489     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
    490     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
    491     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
    492 
    493     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
    494     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
    495     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
    496 
    497     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_VIACONFIG, core99_machine->via_config);
    498 
    499     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
    500     if (kvm_enabled()) {
    501         uint8_t *hypercall;
    502 
    503         hypercall = g_malloc(16);
    504         kvmppc_get_hypercall(env, hypercall, 16);
    505         fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
    506         fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
    507     }
    508     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq);
    509     /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
    510     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ);
    511     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ);
    512     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_NVRAM_ADDR, nvram_addr);
    513 
    514     /* MacOS NDRV VGA driver */
    515     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, NDRV_VGA_FILENAME);
    516     if (filename) {
    517         gchar *ndrv_file;
    518         gsize ndrv_size;
    519 
    520         if (g_file_get_contents(filename, &ndrv_file, &ndrv_size, NULL)) {
    521             fw_cfg_add_file(fw_cfg, "ndrv/qemu_vga.ndrv", ndrv_file, ndrv_size);
    522         }
    523         g_free(filename);
    524     }
    525 
    526     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
    527 }
    528 
    529 /*
    530  * Implementation of an interface to adjust firmware path
    531  * for the bootindex property handling.
    532  */
    533 static char *core99_fw_dev_path(FWPathProvider *p, BusState *bus,
    534                                 DeviceState *dev)
    535 {
    536     PCIDevice *pci;
    537     MACIOIDEState *macio_ide;
    538 
    539     if (!strcmp(object_get_typename(OBJECT(dev)), "macio-newworld")) {
    540         pci = PCI_DEVICE(dev);
    541         return g_strdup_printf("mac-io@%x", PCI_SLOT(pci->devfn));
    542     }
    543 
    544     if (!strcmp(object_get_typename(OBJECT(dev)), "macio-ide")) {
    545         macio_ide = MACIO_IDE(dev);
    546         return g_strdup_printf("ata-3@%x", macio_ide->addr);
    547     }
    548 
    549     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-hd")) {
    550         return g_strdup("disk");
    551     }
    552 
    553     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
    554         return g_strdup("cdrom");
    555     }
    556 
    557     if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
    558         return g_strdup("disk");
    559     }
    560 
    561     return NULL;
    562 }
    563 static int core99_kvm_type(MachineState *machine, const char *arg)
    564 {
    565     /* Always force PR KVM */
    566     return 2;
    567 }
    568 
    569 static void core99_machine_class_init(ObjectClass *oc, void *data)
    570 {
    571     MachineClass *mc = MACHINE_CLASS(oc);
    572     FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
    573 
    574     mc->desc = "Mac99 based PowerMAC";
    575     mc->init = ppc_core99_init;
    576     mc->block_default_type = IF_IDE;
    577     /* SMP is not supported currently */
    578     mc->max_cpus = 1;
    579     mc->default_boot_order = "cd";
    580     mc->default_display = "std";
    581     mc->kvm_type = core99_kvm_type;
    582 #ifdef TARGET_PPC64
    583     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("970fx_v3.1");
    584 #else
    585     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("7400_v2.9");
    586 #endif
    587     mc->default_ram_id = "ppc_core99.ram";
    588     mc->ignore_boot_device_suffixes = true;
    589     fwc->get_dev_path = core99_fw_dev_path;
    590 }
    591 
    592 static char *core99_get_via_config(Object *obj, Error **errp)
    593 {
    594     Core99MachineState *cms = CORE99_MACHINE(obj);
    595 
    596     switch (cms->via_config) {
    597     default:
    598     case CORE99_VIA_CONFIG_CUDA:
    599         return g_strdup("cuda");
    600 
    601     case CORE99_VIA_CONFIG_PMU:
    602         return g_strdup("pmu");
    603 
    604     case CORE99_VIA_CONFIG_PMU_ADB:
    605         return g_strdup("pmu-adb");
    606     }
    607 }
    608 
    609 static void core99_set_via_config(Object *obj, const char *value, Error **errp)
    610 {
    611     Core99MachineState *cms = CORE99_MACHINE(obj);
    612 
    613     if (!strcmp(value, "cuda")) {
    614         cms->via_config = CORE99_VIA_CONFIG_CUDA;
    615     } else if (!strcmp(value, "pmu")) {
    616         cms->via_config = CORE99_VIA_CONFIG_PMU;
    617     } else if (!strcmp(value, "pmu-adb")) {
    618         cms->via_config = CORE99_VIA_CONFIG_PMU_ADB;
    619     } else {
    620         error_setg(errp, "Invalid via value");
    621         error_append_hint(errp, "Valid values are cuda, pmu, pmu-adb.\n");
    622     }
    623 }
    624 
    625 static void core99_instance_init(Object *obj)
    626 {
    627     Core99MachineState *cms = CORE99_MACHINE(obj);
    628 
    629     /* Default via_config is CORE99_VIA_CONFIG_CUDA */
    630     cms->via_config = CORE99_VIA_CONFIG_CUDA;
    631     object_property_add_str(obj, "via", core99_get_via_config,
    632                             core99_set_via_config);
    633     object_property_set_description(obj, "via",
    634                                     "Set VIA configuration. "
    635                                     "Valid values are cuda, pmu and pmu-adb");
    636 
    637     return;
    638 }
    639 
    640 static const TypeInfo core99_machine_info = {
    641     .name          = MACHINE_TYPE_NAME("mac99"),
    642     .parent        = TYPE_MACHINE,
    643     .class_init    = core99_machine_class_init,
    644     .instance_init = core99_instance_init,
    645     .instance_size = sizeof(Core99MachineState),
    646     .interfaces = (InterfaceInfo[]) {
    647         { TYPE_FW_PATH_PROVIDER },
    648         { }
    649     },
    650 };
    651 
    652 static void mac_machine_register_types(void)
    653 {
    654     type_register_static(&core99_machine_info);
    655 }
    656 
    657 type_init(mac_machine_register_types)