xref: /qemu/hw/ppc/mac_newworld.c (revision 7a4e543d)
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 "hw/hw.h"
51 #include "hw/ppc/ppc.h"
52 #include "hw/ppc/mac.h"
53 #include "hw/input/adb.h"
54 #include "hw/ppc/mac_dbdma.h"
55 #include "hw/timer/m48t59.h"
56 #include "hw/pci/pci.h"
57 #include "net/net.h"
58 #include "sysemu/sysemu.h"
59 #include "hw/boards.h"
60 #include "hw/nvram/fw_cfg.h"
61 #include "hw/char/escc.h"
62 #include "hw/ppc/openpic.h"
63 #include "hw/ide.h"
64 #include "hw/loader.h"
65 #include "elf.h"
66 #include "qemu/error-report.h"
67 #include "sysemu/kvm.h"
68 #include "kvm_ppc.h"
69 #include "hw/usb.h"
70 #include "sysemu/block-backend.h"
71 #include "exec/address-spaces.h"
72 #include "hw/sysbus.h"
73 
74 #define MAX_IDE_BUS 2
75 #define CFG_ADDR 0xf0000510
76 #define TBFREQ (100UL * 1000UL * 1000UL)
77 #define CLOCKFREQ (266UL * 1000UL * 1000UL)
78 #define BUSFREQ (100UL * 1000UL * 1000UL)
79 
80 /* debug UniNorth */
81 //#define DEBUG_UNIN
82 
83 #ifdef DEBUG_UNIN
84 #define UNIN_DPRINTF(fmt, ...)                                  \
85     do { printf("UNIN: " fmt , ## __VA_ARGS__); } while (0)
86 #else
87 #define UNIN_DPRINTF(fmt, ...)
88 #endif
89 
90 /* UniN device */
91 static void unin_write(void *opaque, hwaddr addr, uint64_t value,
92                        unsigned size)
93 {
94     UNIN_DPRINTF("write addr " TARGET_FMT_plx " val %"PRIx64"\n", addr, value);
95     if (addr == 0x0) {
96         *(int*)opaque = value;
97     }
98 }
99 
100 static uint64_t unin_read(void *opaque, hwaddr addr, unsigned size)
101 {
102     uint32_t value;
103 
104     value = 0;
105     switch (addr) {
106     case 0:
107         value = *(int*)opaque;
108     }
109 
110     UNIN_DPRINTF("readl addr " TARGET_FMT_plx " val %x\n", addr, value);
111 
112     return value;
113 }
114 
115 static const MemoryRegionOps unin_ops = {
116     .read = unin_read,
117     .write = unin_write,
118     .endianness = DEVICE_NATIVE_ENDIAN,
119 };
120 
121 static void fw_cfg_boot_set(void *opaque, const char *boot_device,
122                             Error **errp)
123 {
124     fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
125 }
126 
127 static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
128 {
129     return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR;
130 }
131 
132 static hwaddr round_page(hwaddr addr)
133 {
134     return (addr + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK;
135 }
136 
137 static void ppc_core99_reset(void *opaque)
138 {
139     PowerPCCPU *cpu = opaque;
140 
141     cpu_reset(CPU(cpu));
142     /* 970 CPUs want to get their initial IP as part of their boot protocol */
143     cpu->env.nip = PROM_ADDR + 0x100;
144 }
145 
146 /* PowerPC Mac99 hardware initialisation */
147 static void ppc_core99_init(MachineState *machine)
148 {
149     ram_addr_t ram_size = machine->ram_size;
150     const char *kernel_filename = machine->kernel_filename;
151     const char *kernel_cmdline = machine->kernel_cmdline;
152     const char *initrd_filename = machine->initrd_filename;
153     const char *boot_device = machine->boot_order;
154     PowerPCCPU *cpu = NULL;
155     CPUPPCState *env = NULL;
156     char *filename;
157     qemu_irq *pic, **openpic_irqs;
158     MemoryRegion *isa = g_new(MemoryRegion, 1);
159     MemoryRegion *unin_memory = g_new(MemoryRegion, 1);
160     MemoryRegion *unin2_memory = g_new(MemoryRegion, 1);
161     int linux_boot, i, j, k;
162     MemoryRegion *ram = g_new(MemoryRegion, 1), *bios = g_new(MemoryRegion, 1);
163     hwaddr kernel_base, initrd_base, cmdline_base = 0;
164     long kernel_size, initrd_size;
165     PCIBus *pci_bus;
166     PCIDevice *macio;
167     MACIOIDEState *macio_ide;
168     BusState *adb_bus;
169     MacIONVRAMState *nvr;
170     int bios_size;
171     MemoryRegion *pic_mem, *escc_mem;
172     MemoryRegion *escc_bar = g_new(MemoryRegion, 1);
173     int ppc_boot_device;
174     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
175     void *fw_cfg;
176     int machine_arch;
177     SysBusDevice *s;
178     DeviceState *dev;
179     int *token = g_new(int, 1);
180     hwaddr nvram_addr = 0xFFF04000;
181     uint64_t tbfreq;
182 
183     linux_boot = (kernel_filename != NULL);
184 
185     /* init CPUs */
186     if (machine->cpu_model == NULL) {
187 #ifdef TARGET_PPC64
188         machine->cpu_model = "970fx";
189 #else
190         machine->cpu_model = "G4";
191 #endif
192     }
193     for (i = 0; i < smp_cpus; i++) {
194         cpu = cpu_ppc_init(machine->cpu_model);
195         if (cpu == NULL) {
196             fprintf(stderr, "Unable to find PowerPC CPU definition\n");
197             exit(1);
198         }
199         env = &cpu->env;
200 
201         /* Set time-base frequency to 100 Mhz */
202         cpu_ppc_tb_init(env, TBFREQ);
203         qemu_register_reset(ppc_core99_reset, cpu);
204     }
205 
206     /* allocate RAM */
207     memory_region_allocate_system_memory(ram, NULL, "ppc_core99.ram", ram_size);
208     memory_region_add_subregion(get_system_memory(), 0, ram);
209 
210     /* allocate and load BIOS */
211     memory_region_init_ram(bios, NULL, "ppc_core99.bios", BIOS_SIZE,
212                            &error_fatal);
213     vmstate_register_ram_global(bios);
214 
215     if (bios_name == NULL)
216         bios_name = PROM_FILENAME;
217     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
218     memory_region_set_readonly(bios, true);
219     memory_region_add_subregion(get_system_memory(), PROM_ADDR, bios);
220 
221     /* Load OpenBIOS (ELF) */
222     if (filename) {
223         bios_size = load_elf(filename, NULL, NULL, NULL,
224                              NULL, NULL, 1, PPC_ELF_MACHINE, 0);
225 
226         g_free(filename);
227     } else {
228         bios_size = -1;
229     }
230     if (bios_size < 0 || bios_size > BIOS_SIZE) {
231         error_report("could not load PowerPC bios '%s'", bios_name);
232         exit(1);
233     }
234 
235     if (linux_boot) {
236         uint64_t lowaddr = 0;
237         int bswap_needed;
238 
239 #ifdef BSWAP_NEEDED
240         bswap_needed = 1;
241 #else
242         bswap_needed = 0;
243 #endif
244         kernel_base = KERNEL_LOAD_ADDR;
245 
246         kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL,
247                                NULL, &lowaddr, NULL, 1, PPC_ELF_MACHINE, 0);
248         if (kernel_size < 0)
249             kernel_size = load_aout(kernel_filename, kernel_base,
250                                     ram_size - kernel_base, bswap_needed,
251                                     TARGET_PAGE_SIZE);
252         if (kernel_size < 0)
253             kernel_size = load_image_targphys(kernel_filename,
254                                               kernel_base,
255                                               ram_size - kernel_base);
256         if (kernel_size < 0) {
257             error_report("could not load kernel '%s'", kernel_filename);
258             exit(1);
259         }
260         /* load initrd */
261         if (initrd_filename) {
262             initrd_base = round_page(kernel_base + kernel_size + KERNEL_GAP);
263             initrd_size = load_image_targphys(initrd_filename, initrd_base,
264                                               ram_size - initrd_base);
265             if (initrd_size < 0) {
266                 error_report("could not load initial ram disk '%s'",
267                              initrd_filename);
268                 exit(1);
269             }
270             cmdline_base = round_page(initrd_base + initrd_size);
271         } else {
272             initrd_base = 0;
273             initrd_size = 0;
274             cmdline_base = round_page(kernel_base + kernel_size + KERNEL_GAP);
275         }
276         ppc_boot_device = 'm';
277     } else {
278         kernel_base = 0;
279         kernel_size = 0;
280         initrd_base = 0;
281         initrd_size = 0;
282         ppc_boot_device = '\0';
283         /* We consider that NewWorld PowerMac never have any floppy drive
284          * For now, OHW cannot boot from the network.
285          */
286         for (i = 0; boot_device[i] != '\0'; i++) {
287             if (boot_device[i] >= 'c' && boot_device[i] <= 'f') {
288                 ppc_boot_device = boot_device[i];
289                 break;
290             }
291         }
292         if (ppc_boot_device == '\0') {
293             fprintf(stderr, "No valid boot device for Mac99 machine\n");
294             exit(1);
295         }
296     }
297 
298     /* Register 8 MB of ISA IO space */
299     memory_region_init_alias(isa, NULL, "isa_mmio",
300                              get_system_io(), 0, 0x00800000);
301     memory_region_add_subregion(get_system_memory(), 0xf2000000, isa);
302 
303     /* UniN init: XXX should be a real device */
304     memory_region_init_io(unin_memory, NULL, &unin_ops, token, "unin", 0x1000);
305     memory_region_add_subregion(get_system_memory(), 0xf8000000, unin_memory);
306 
307     memory_region_init_io(unin2_memory, NULL, &unin_ops, token, "unin", 0x1000);
308     memory_region_add_subregion(get_system_memory(), 0xf3000000, unin2_memory);
309 
310     openpic_irqs = g_malloc0(smp_cpus * sizeof(qemu_irq *));
311     openpic_irqs[0] =
312         g_malloc0(smp_cpus * sizeof(qemu_irq) * OPENPIC_OUTPUT_NB);
313     for (i = 0; i < smp_cpus; i++) {
314         /* Mac99 IRQ connection between OpenPIC outputs pins
315          * and PowerPC input pins
316          */
317         switch (PPC_INPUT(env)) {
318         case PPC_FLAGS_INPUT_6xx:
319             openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
320             openpic_irqs[i][OPENPIC_OUTPUT_INT] =
321                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
322             openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
323                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
324             openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
325                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP];
326             /* Not connected ? */
327             openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
328             /* Check this */
329             openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
330                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET];
331             break;
332 #if defined(TARGET_PPC64)
333         case PPC_FLAGS_INPUT_970:
334             openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
335             openpic_irqs[i][OPENPIC_OUTPUT_INT] =
336                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
337             openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
338                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
339             openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
340                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP];
341             /* Not connected ? */
342             openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
343             /* Check this */
344             openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
345                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET];
346             break;
347 #endif /* defined(TARGET_PPC64) */
348         default:
349             error_report("Bus model not supported on mac99 machine");
350             exit(1);
351         }
352     }
353 
354     pic = g_new0(qemu_irq, 64);
355 
356     dev = qdev_create(NULL, TYPE_OPENPIC);
357     qdev_prop_set_uint32(dev, "model", OPENPIC_MODEL_RAVEN);
358     qdev_init_nofail(dev);
359     s = SYS_BUS_DEVICE(dev);
360     pic_mem = s->mmio[0].memory;
361     k = 0;
362     for (i = 0; i < smp_cpus; i++) {
363         for (j = 0; j < OPENPIC_OUTPUT_NB; j++) {
364             sysbus_connect_irq(s, k++, openpic_irqs[i][j]);
365         }
366     }
367 
368     for (i = 0; i < 64; i++) {
369         pic[i] = qdev_get_gpio_in(dev, i);
370     }
371 
372     if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) {
373         /* 970 gets a U3 bus */
374         pci_bus = pci_pmac_u3_init(pic, get_system_memory(), get_system_io());
375         machine_arch = ARCH_MAC99_U3;
376     } else {
377         pci_bus = pci_pmac_init(pic, get_system_memory(), get_system_io());
378         machine_arch = ARCH_MAC99;
379     }
380 
381     machine->usb |= defaults_enabled() && !machine->usb_disabled;
382 
383     /* Timebase Frequency */
384     if (kvm_enabled()) {
385         tbfreq = kvmppc_get_tbfreq();
386     } else {
387         tbfreq = TBFREQ;
388     }
389 
390     /* init basic PC hardware */
391     escc_mem = escc_init(0, pic[0x25], pic[0x24],
392                          serial_hds[0], serial_hds[1], ESCC_CLOCK, 4);
393     memory_region_init_alias(escc_bar, NULL, "escc-bar",
394                              escc_mem, 0, memory_region_size(escc_mem));
395 
396     macio = pci_create(pci_bus, -1, TYPE_NEWWORLD_MACIO);
397     dev = DEVICE(macio);
398     qdev_connect_gpio_out(dev, 0, pic[0x19]); /* CUDA */
399     qdev_connect_gpio_out(dev, 1, pic[0x0d]); /* IDE */
400     qdev_connect_gpio_out(dev, 2, pic[0x02]); /* IDE DMA */
401     qdev_connect_gpio_out(dev, 3, pic[0x0e]); /* IDE */
402     qdev_connect_gpio_out(dev, 4, pic[0x03]); /* IDE DMA */
403     qdev_prop_set_uint64(dev, "frequency", tbfreq);
404     macio_init(macio, pic_mem, escc_bar);
405 
406     /* We only emulate 2 out of 3 IDE controllers for now */
407     ide_drive_get(hd, ARRAY_SIZE(hd));
408 
409     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
410                                                         "ide[0]"));
411     macio_ide_init_drives(macio_ide, hd);
412 
413     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
414                                                         "ide[1]"));
415     macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]);
416 
417     dev = DEVICE(object_resolve_path_component(OBJECT(macio), "cuda"));
418     adb_bus = qdev_get_child_bus(dev, "adb.0");
419     dev = qdev_create(adb_bus, TYPE_ADB_KEYBOARD);
420     qdev_init_nofail(dev);
421     dev = qdev_create(adb_bus, TYPE_ADB_MOUSE);
422     qdev_init_nofail(dev);
423 
424     if (machine->usb) {
425         pci_create_simple(pci_bus, -1, "pci-ohci");
426 
427         /* U3 needs to use USB for input because Linux doesn't support via-cuda
428         on PPC64 */
429         if (machine_arch == ARCH_MAC99_U3) {
430             USBBus *usb_bus = usb_bus_find(-1);
431 
432             usb_create_simple(usb_bus, "usb-kbd");
433             usb_create_simple(usb_bus, "usb-mouse");
434         }
435     }
436 
437     pci_vga_init(pci_bus);
438 
439     if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8) {
440         graphic_depth = 15;
441     }
442 
443     for (i = 0; i < nb_nics; i++) {
444         pci_nic_init_nofail(&nd_table[i], pci_bus, "ne2k_pci", NULL);
445     }
446 
447     /* The NewWorld NVRAM is not located in the MacIO device */
448 #ifdef CONFIG_KVM
449     if (kvm_enabled() && getpagesize() > 4096) {
450         /* We can't combine read-write and read-only in a single page, so
451            move the NVRAM out of ROM again for KVM */
452         nvram_addr = 0xFFE00000;
453     }
454 #endif
455     dev = qdev_create(NULL, TYPE_MACIO_NVRAM);
456     qdev_prop_set_uint32(dev, "size", 0x2000);
457     qdev_prop_set_uint32(dev, "it_shift", 1);
458     qdev_init_nofail(dev);
459     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, nvram_addr);
460     nvr = MACIO_NVRAM(dev);
461     pmac_format_nvram_partition(nvr, 0x2000);
462     /* No PCI init: the BIOS will do it */
463 
464     fw_cfg = fw_cfg_init_mem(CFG_ADDR, CFG_ADDR + 2);
465     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
466     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
467     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, machine_arch);
468     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
469     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
470     if (kernel_cmdline) {
471         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
472         pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
473     } else {
474         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
475     }
476     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
477     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
478     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
479 
480     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
481     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
482     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
483 
484     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
485     if (kvm_enabled()) {
486 #ifdef CONFIG_KVM
487         uint8_t *hypercall;
488 
489         hypercall = g_malloc(16);
490         kvmppc_get_hypercall(env, hypercall, 16);
491         fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
492         fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
493 #endif
494     }
495     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq);
496     /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
497     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ);
498     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ);
499     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_NVRAM_ADDR, nvram_addr);
500 
501     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
502 }
503 
504 static int core99_kvm_type(const char *arg)
505 {
506     /* Always force PR KVM */
507     return 2;
508 }
509 
510 static void core99_machine_class_init(ObjectClass *oc, void *data)
511 {
512     MachineClass *mc = MACHINE_CLASS(oc);
513 
514     mc->desc = "Mac99 based PowerMAC";
515     mc->init = ppc_core99_init;
516     mc->max_cpus = MAX_CPUS;
517     mc->default_boot_order = "cd";
518     mc->kvm_type = core99_kvm_type;
519 }
520 
521 static const TypeInfo core99_machine_info = {
522     .name          = MACHINE_TYPE_NAME("mac99"),
523     .parent        = TYPE_MACHINE,
524     .class_init    = core99_machine_class_init,
525 };
526 
527 static void mac_machine_register_types(void)
528 {
529     type_register_static(&core99_machine_info);
530 }
531 
532 type_init(mac_machine_register_types)
533