xref: /openbmc/qemu/hw/ppc/mac_newworld.c (revision 36f96c4b)
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 "hw/hw.h"
50 #include "hw/ppc/ppc.h"
51 #include "hw/ppc/mac.h"
52 #include "hw/input/adb.h"
53 #include "hw/ppc/mac_dbdma.h"
54 #include "hw/timer/m48t59.h"
55 #include "hw/pci/pci.h"
56 #include "net/net.h"
57 #include "sysemu/sysemu.h"
58 #include "hw/boards.h"
59 #include "hw/nvram/fw_cfg.h"
60 #include "hw/char/escc.h"
61 #include "hw/ppc/openpic.h"
62 #include "hw/ide.h"
63 #include "hw/loader.h"
64 #include "elf.h"
65 #include "qemu/error-report.h"
66 #include "sysemu/kvm.h"
67 #include "kvm_ppc.h"
68 #include "hw/usb.h"
69 #include "sysemu/block-backend.h"
70 #include "exec/address-spaces.h"
71 #include "hw/sysbus.h"
72 
73 #define MAX_IDE_BUS 2
74 #define CFG_ADDR 0xf0000510
75 #define TBFREQ (100UL * 1000UL * 1000UL)
76 #define CLOCKFREQ (266UL * 1000UL * 1000UL)
77 #define BUSFREQ (100UL * 1000UL * 1000UL)
78 
79 /* debug UniNorth */
80 //#define DEBUG_UNIN
81 
82 #ifdef DEBUG_UNIN
83 #define UNIN_DPRINTF(fmt, ...)                                  \
84     do { printf("UNIN: " fmt , ## __VA_ARGS__); } while (0)
85 #else
86 #define UNIN_DPRINTF(fmt, ...)
87 #endif
88 
89 /* UniN device */
90 static void unin_write(void *opaque, hwaddr addr, uint64_t value,
91                        unsigned size)
92 {
93     UNIN_DPRINTF("write addr " TARGET_FMT_plx " val %"PRIx64"\n", addr, value);
94     if (addr == 0x0) {
95         *(int*)opaque = value;
96     }
97 }
98 
99 static uint64_t unin_read(void *opaque, hwaddr addr, unsigned size)
100 {
101     uint32_t value;
102 
103     value = 0;
104     switch (addr) {
105     case 0:
106         value = *(int*)opaque;
107     }
108 
109     UNIN_DPRINTF("readl addr " TARGET_FMT_plx " val %x\n", addr, value);
110 
111     return value;
112 }
113 
114 static const MemoryRegionOps unin_ops = {
115     .read = unin_read,
116     .write = unin_write,
117     .endianness = DEVICE_NATIVE_ENDIAN,
118 };
119 
120 static void fw_cfg_boot_set(void *opaque, const char *boot_device,
121                             Error **errp)
122 {
123     fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
124 }
125 
126 static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
127 {
128     return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR;
129 }
130 
131 static hwaddr round_page(hwaddr addr)
132 {
133     return (addr + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK;
134 }
135 
136 static void ppc_core99_reset(void *opaque)
137 {
138     PowerPCCPU *cpu = opaque;
139 
140     cpu_reset(CPU(cpu));
141     /* 970 CPUs want to get their initial IP as part of their boot protocol */
142     cpu->env.nip = PROM_ADDR + 0x100;
143 }
144 
145 /* PowerPC Mac99 hardware initialisation */
146 static void ppc_core99_init(MachineState *machine)
147 {
148     ram_addr_t ram_size = machine->ram_size;
149     const char *kernel_filename = machine->kernel_filename;
150     const char *kernel_cmdline = machine->kernel_cmdline;
151     const char *initrd_filename = machine->initrd_filename;
152     const char *boot_device = machine->boot_order;
153     PowerPCCPU *cpu = NULL;
154     CPUPPCState *env = NULL;
155     char *filename;
156     qemu_irq *pic, **openpic_irqs;
157     MemoryRegion *isa = g_new(MemoryRegion, 1);
158     MemoryRegion *unin_memory = g_new(MemoryRegion, 1);
159     MemoryRegion *unin2_memory = g_new(MemoryRegion, 1);
160     int linux_boot, i, j, k;
161     MemoryRegion *ram = g_new(MemoryRegion, 1), *bios = g_new(MemoryRegion, 1);
162     hwaddr kernel_base, initrd_base, cmdline_base = 0;
163     long kernel_size, initrd_size;
164     PCIBus *pci_bus;
165     PCIDevice *macio;
166     MACIOIDEState *macio_ide;
167     BusState *adb_bus;
168     MacIONVRAMState *nvr;
169     int bios_size;
170     MemoryRegion *pic_mem, *escc_mem;
171     MemoryRegion *escc_bar = g_new(MemoryRegion, 1);
172     int ppc_boot_device;
173     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
174     void *fw_cfg;
175     int machine_arch;
176     SysBusDevice *s;
177     DeviceState *dev;
178     int *token = g_new(int, 1);
179     hwaddr nvram_addr = 0xFFF04000;
180     uint64_t tbfreq;
181 
182     linux_boot = (kernel_filename != NULL);
183 
184     /* init CPUs */
185     if (machine->cpu_model == NULL) {
186 #ifdef TARGET_PPC64
187         machine->cpu_model = "970fx";
188 #else
189         machine->cpu_model = "G4";
190 #endif
191     }
192     for (i = 0; i < smp_cpus; i++) {
193         cpu = cpu_ppc_init(machine->cpu_model);
194         if (cpu == NULL) {
195             fprintf(stderr, "Unable to find PowerPC CPU definition\n");
196             exit(1);
197         }
198         env = &cpu->env;
199 
200         /* Set time-base frequency to 100 Mhz */
201         cpu_ppc_tb_init(env, TBFREQ);
202         qemu_register_reset(ppc_core99_reset, cpu);
203     }
204 
205     /* allocate RAM */
206     memory_region_allocate_system_memory(ram, NULL, "ppc_core99.ram", ram_size);
207     memory_region_add_subregion(get_system_memory(), 0, ram);
208 
209     /* allocate and load BIOS */
210     memory_region_init_ram(bios, NULL, "ppc_core99.bios", BIOS_SIZE,
211                            &error_fatal);
212     vmstate_register_ram_global(bios);
213 
214     if (bios_name == NULL)
215         bios_name = PROM_FILENAME;
216     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
217     memory_region_set_readonly(bios, true);
218     memory_region_add_subregion(get_system_memory(), PROM_ADDR, bios);
219 
220     /* Load OpenBIOS (ELF) */
221     if (filename) {
222         bios_size = load_elf(filename, NULL, NULL, NULL,
223                              NULL, NULL, 1, PPC_ELF_MACHINE, 0);
224 
225         g_free(filename);
226     } else {
227         bios_size = -1;
228     }
229     if (bios_size < 0 || bios_size > BIOS_SIZE) {
230         error_report("could not load PowerPC bios '%s'", bios_name);
231         exit(1);
232     }
233 
234     if (linux_boot) {
235         uint64_t lowaddr = 0;
236         int bswap_needed;
237 
238 #ifdef BSWAP_NEEDED
239         bswap_needed = 1;
240 #else
241         bswap_needed = 0;
242 #endif
243         kernel_base = KERNEL_LOAD_ADDR;
244 
245         kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL,
246                                NULL, &lowaddr, NULL, 1, PPC_ELF_MACHINE, 0);
247         if (kernel_size < 0)
248             kernel_size = load_aout(kernel_filename, kernel_base,
249                                     ram_size - kernel_base, bswap_needed,
250                                     TARGET_PAGE_SIZE);
251         if (kernel_size < 0)
252             kernel_size = load_image_targphys(kernel_filename,
253                                               kernel_base,
254                                               ram_size - kernel_base);
255         if (kernel_size < 0) {
256             error_report("could not load kernel '%s'", kernel_filename);
257             exit(1);
258         }
259         /* load initrd */
260         if (initrd_filename) {
261             initrd_base = round_page(kernel_base + kernel_size + KERNEL_GAP);
262             initrd_size = load_image_targphys(initrd_filename, initrd_base,
263                                               ram_size - initrd_base);
264             if (initrd_size < 0) {
265                 error_report("could not load initial ram disk '%s'",
266                              initrd_filename);
267                 exit(1);
268             }
269             cmdline_base = round_page(initrd_base + initrd_size);
270         } else {
271             initrd_base = 0;
272             initrd_size = 0;
273             cmdline_base = round_page(kernel_base + kernel_size + KERNEL_GAP);
274         }
275         ppc_boot_device = 'm';
276     } else {
277         kernel_base = 0;
278         kernel_size = 0;
279         initrd_base = 0;
280         initrd_size = 0;
281         ppc_boot_device = '\0';
282         /* We consider that NewWorld PowerMac never have any floppy drive
283          * For now, OHW cannot boot from the network.
284          */
285         for (i = 0; boot_device[i] != '\0'; i++) {
286             if (boot_device[i] >= 'c' && boot_device[i] <= 'f') {
287                 ppc_boot_device = boot_device[i];
288                 break;
289             }
290         }
291         if (ppc_boot_device == '\0') {
292             fprintf(stderr, "No valid boot device for Mac99 machine\n");
293             exit(1);
294         }
295     }
296 
297     /* Register 8 MB of ISA IO space */
298     memory_region_init_alias(isa, NULL, "isa_mmio",
299                              get_system_io(), 0, 0x00800000);
300     memory_region_add_subregion(get_system_memory(), 0xf2000000, isa);
301 
302     /* UniN init: XXX should be a real device */
303     memory_region_init_io(unin_memory, NULL, &unin_ops, token, "unin", 0x1000);
304     memory_region_add_subregion(get_system_memory(), 0xf8000000, unin_memory);
305 
306     memory_region_init_io(unin2_memory, NULL, &unin_ops, token, "unin", 0x1000);
307     memory_region_add_subregion(get_system_memory(), 0xf3000000, unin2_memory);
308 
309     openpic_irqs = g_malloc0(smp_cpus * sizeof(qemu_irq *));
310     openpic_irqs[0] =
311         g_malloc0(smp_cpus * sizeof(qemu_irq) * OPENPIC_OUTPUT_NB);
312     for (i = 0; i < smp_cpus; i++) {
313         /* Mac99 IRQ connection between OpenPIC outputs pins
314          * and PowerPC input pins
315          */
316         switch (PPC_INPUT(env)) {
317         case PPC_FLAGS_INPUT_6xx:
318             openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
319             openpic_irqs[i][OPENPIC_OUTPUT_INT] =
320                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
321             openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
322                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
323             openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
324                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP];
325             /* Not connected ? */
326             openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
327             /* Check this */
328             openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
329                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET];
330             break;
331 #if defined(TARGET_PPC64)
332         case PPC_FLAGS_INPUT_970:
333             openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
334             openpic_irqs[i][OPENPIC_OUTPUT_INT] =
335                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
336             openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
337                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
338             openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
339                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP];
340             /* Not connected ? */
341             openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
342             /* Check this */
343             openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
344                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET];
345             break;
346 #endif /* defined(TARGET_PPC64) */
347         default:
348             error_report("Bus model not supported on mac99 machine");
349             exit(1);
350         }
351     }
352 
353     pic = g_new0(qemu_irq, 64);
354 
355     dev = qdev_create(NULL, TYPE_OPENPIC);
356     qdev_prop_set_uint32(dev, "model", OPENPIC_MODEL_RAVEN);
357     qdev_init_nofail(dev);
358     s = SYS_BUS_DEVICE(dev);
359     pic_mem = s->mmio[0].memory;
360     k = 0;
361     for (i = 0; i < smp_cpus; i++) {
362         for (j = 0; j < OPENPIC_OUTPUT_NB; j++) {
363             sysbus_connect_irq(s, k++, openpic_irqs[i][j]);
364         }
365     }
366 
367     for (i = 0; i < 64; i++) {
368         pic[i] = qdev_get_gpio_in(dev, i);
369     }
370 
371     if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) {
372         /* 970 gets a U3 bus */
373         pci_bus = pci_pmac_u3_init(pic, get_system_memory(), get_system_io());
374         machine_arch = ARCH_MAC99_U3;
375     } else {
376         pci_bus = pci_pmac_init(pic, get_system_memory(), get_system_io());
377         machine_arch = ARCH_MAC99;
378     }
379 
380     machine->usb |= defaults_enabled() && !machine->usb_disabled;
381 
382     /* Timebase Frequency */
383     if (kvm_enabled()) {
384         tbfreq = kvmppc_get_tbfreq();
385     } else {
386         tbfreq = TBFREQ;
387     }
388 
389     /* init basic PC hardware */
390     escc_mem = escc_init(0, pic[0x25], pic[0x24],
391                          serial_hds[0], serial_hds[1], ESCC_CLOCK, 4);
392     memory_region_init_alias(escc_bar, NULL, "escc-bar",
393                              escc_mem, 0, memory_region_size(escc_mem));
394 
395     macio = pci_create(pci_bus, -1, TYPE_NEWWORLD_MACIO);
396     dev = DEVICE(macio);
397     qdev_connect_gpio_out(dev, 0, pic[0x19]); /* CUDA */
398     qdev_connect_gpio_out(dev, 1, pic[0x0d]); /* IDE */
399     qdev_connect_gpio_out(dev, 2, pic[0x02]); /* IDE DMA */
400     qdev_connect_gpio_out(dev, 3, pic[0x0e]); /* IDE */
401     qdev_connect_gpio_out(dev, 4, pic[0x03]); /* IDE DMA */
402     qdev_prop_set_uint64(dev, "frequency", tbfreq);
403     macio_init(macio, pic_mem, escc_bar);
404 
405     /* We only emulate 2 out of 3 IDE controllers for now */
406     ide_drive_get(hd, ARRAY_SIZE(hd));
407 
408     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
409                                                         "ide[0]"));
410     macio_ide_init_drives(macio_ide, hd);
411 
412     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
413                                                         "ide[1]"));
414     macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]);
415 
416     dev = DEVICE(object_resolve_path_component(OBJECT(macio), "cuda"));
417     adb_bus = qdev_get_child_bus(dev, "adb.0");
418     dev = qdev_create(adb_bus, TYPE_ADB_KEYBOARD);
419     qdev_init_nofail(dev);
420     dev = qdev_create(adb_bus, TYPE_ADB_MOUSE);
421     qdev_init_nofail(dev);
422 
423     if (machine->usb) {
424         pci_create_simple(pci_bus, -1, "pci-ohci");
425 
426         /* U3 needs to use USB for input because Linux doesn't support via-cuda
427         on PPC64 */
428         if (machine_arch == ARCH_MAC99_U3) {
429             USBBus *usb_bus = usb_bus_find(-1);
430 
431             usb_create_simple(usb_bus, "usb-kbd");
432             usb_create_simple(usb_bus, "usb-mouse");
433         }
434     }
435 
436     pci_vga_init(pci_bus);
437 
438     if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8) {
439         graphic_depth = 15;
440     }
441 
442     for (i = 0; i < nb_nics; i++) {
443         pci_nic_init_nofail(&nd_table[i], pci_bus, "ne2k_pci", NULL);
444     }
445 
446     /* The NewWorld NVRAM is not located in the MacIO device */
447 #ifdef CONFIG_KVM
448     if (kvm_enabled() && getpagesize() > 4096) {
449         /* We can't combine read-write and read-only in a single page, so
450            move the NVRAM out of ROM again for KVM */
451         nvram_addr = 0xFFE00000;
452     }
453 #endif
454     dev = qdev_create(NULL, TYPE_MACIO_NVRAM);
455     qdev_prop_set_uint32(dev, "size", 0x2000);
456     qdev_prop_set_uint32(dev, "it_shift", 1);
457     qdev_init_nofail(dev);
458     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, nvram_addr);
459     nvr = MACIO_NVRAM(dev);
460     pmac_format_nvram_partition(nvr, 0x2000);
461     /* No PCI init: the BIOS will do it */
462 
463     fw_cfg = fw_cfg_init_mem(CFG_ADDR, CFG_ADDR + 2);
464     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
465     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
466     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, machine_arch);
467     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
468     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
469     if (kernel_cmdline) {
470         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
471         pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
472     } else {
473         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
474     }
475     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
476     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
477     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
478 
479     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
480     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
481     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
482 
483     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
484     if (kvm_enabled()) {
485 #ifdef CONFIG_KVM
486         uint8_t *hypercall;
487 
488         hypercall = g_malloc(16);
489         kvmppc_get_hypercall(env, hypercall, 16);
490         fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
491         fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
492 #endif
493     }
494     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq);
495     /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
496     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ);
497     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ);
498     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_NVRAM_ADDR, nvram_addr);
499 
500     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
501 }
502 
503 static int core99_kvm_type(const char *arg)
504 {
505     /* Always force PR KVM */
506     return 2;
507 }
508 
509 static void core99_machine_class_init(ObjectClass *oc, void *data)
510 {
511     MachineClass *mc = MACHINE_CLASS(oc);
512 
513     mc->desc = "Mac99 based PowerMAC";
514     mc->init = ppc_core99_init;
515     mc->max_cpus = MAX_CPUS;
516     mc->default_boot_order = "cd";
517     mc->kvm_type = core99_kvm_type;
518 }
519 
520 static const TypeInfo core99_machine_info = {
521     .name          = MACHINE_TYPE_NAME("mac99"),
522     .parent        = TYPE_MACHINE,
523     .class_init    = core99_machine_class_init,
524 };
525 
526 static void mac_machine_register_types(void)
527 {
528     type_register_static(&core99_machine_info);
529 }
530 
531 type_init(mac_machine_register_types)
532