xref: /openbmc/qemu/hw/ppc/mac_newworld.c (revision 56411125)
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 "sysemu/kvm.h"
66 #include "kvm_ppc.h"
67 #include "hw/usb.h"
68 #include "sysemu/block-backend.h"
69 #include "exec/address-spaces.h"
70 #include "hw/sysbus.h"
71 
72 #define MAX_IDE_BUS 2
73 #define CFG_ADDR 0xf0000510
74 #define TBFREQ (100UL * 1000UL * 1000UL)
75 #define CLOCKFREQ (266UL * 1000UL * 1000UL)
76 #define BUSFREQ (100UL * 1000UL * 1000UL)
77 
78 /* debug UniNorth */
79 //#define DEBUG_UNIN
80 
81 #ifdef DEBUG_UNIN
82 #define UNIN_DPRINTF(fmt, ...)                                  \
83     do { printf("UNIN: " fmt , ## __VA_ARGS__); } while (0)
84 #else
85 #define UNIN_DPRINTF(fmt, ...)
86 #endif
87 
88 /* UniN device */
89 static void unin_write(void *opaque, hwaddr addr, uint64_t value,
90                        unsigned size)
91 {
92     UNIN_DPRINTF("write addr " TARGET_FMT_plx " val %"PRIx64"\n", addr, value);
93     if (addr == 0x0) {
94         *(int*)opaque = value;
95     }
96 }
97 
98 static uint64_t unin_read(void *opaque, hwaddr addr, unsigned size)
99 {
100     uint32_t value;
101 
102     value = 0;
103     switch (addr) {
104     case 0:
105         value = *(int*)opaque;
106     }
107 
108     UNIN_DPRINTF("readl addr " TARGET_FMT_plx " val %x\n", addr, value);
109 
110     return value;
111 }
112 
113 static const MemoryRegionOps unin_ops = {
114     .read = unin_read,
115     .write = unin_write,
116     .endianness = DEVICE_NATIVE_ENDIAN,
117 };
118 
119 static void fw_cfg_boot_set(void *opaque, const char *boot_device,
120                             Error **errp)
121 {
122     fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
123 }
124 
125 static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
126 {
127     return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR;
128 }
129 
130 static hwaddr round_page(hwaddr addr)
131 {
132     return (addr + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK;
133 }
134 
135 static void ppc_core99_reset(void *opaque)
136 {
137     PowerPCCPU *cpu = opaque;
138 
139     cpu_reset(CPU(cpu));
140     /* 970 CPUs want to get their initial IP as part of their boot protocol */
141     cpu->env.nip = PROM_ADDR + 0x100;
142 }
143 
144 /* PowerPC Mac99 hardware initialisation */
145 static void ppc_core99_init(MachineState *machine)
146 {
147     ram_addr_t ram_size = machine->ram_size;
148     const char *kernel_filename = machine->kernel_filename;
149     const char *kernel_cmdline = machine->kernel_cmdline;
150     const char *initrd_filename = machine->initrd_filename;
151     const char *boot_device = machine->boot_order;
152     PowerPCCPU *cpu = NULL;
153     CPUPPCState *env = NULL;
154     char *filename;
155     qemu_irq *pic, **openpic_irqs;
156     MemoryRegion *isa = g_new(MemoryRegion, 1);
157     MemoryRegion *unin_memory = g_new(MemoryRegion, 1);
158     MemoryRegion *unin2_memory = g_new(MemoryRegion, 1);
159     int linux_boot, i, j, k;
160     MemoryRegion *ram = g_new(MemoryRegion, 1), *bios = g_new(MemoryRegion, 1);
161     hwaddr kernel_base, initrd_base, cmdline_base = 0;
162     long kernel_size, initrd_size;
163     PCIBus *pci_bus;
164     PCIDevice *macio;
165     MACIOIDEState *macio_ide;
166     BusState *adb_bus;
167     MacIONVRAMState *nvr;
168     int bios_size;
169     MemoryRegion *pic_mem, *escc_mem;
170     MemoryRegion *escc_bar = g_new(MemoryRegion, 1);
171     int ppc_boot_device;
172     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
173     void *fw_cfg;
174     int machine_arch;
175     SysBusDevice *s;
176     DeviceState *dev;
177     int *token = g_new(int, 1);
178     hwaddr nvram_addr = 0xFFF04000;
179     uint64_t tbfreq;
180 
181     linux_boot = (kernel_filename != NULL);
182 
183     /* init CPUs */
184     if (machine->cpu_model == NULL) {
185 #ifdef TARGET_PPC64
186         machine->cpu_model = "970fx";
187 #else
188         machine->cpu_model = "G4";
189 #endif
190     }
191     for (i = 0; i < smp_cpus; i++) {
192         cpu = cpu_ppc_init(machine->cpu_model);
193         if (cpu == NULL) {
194             fprintf(stderr, "Unable to find PowerPC CPU definition\n");
195             exit(1);
196         }
197         env = &cpu->env;
198 
199         /* Set time-base frequency to 100 Mhz */
200         cpu_ppc_tb_init(env, TBFREQ);
201         qemu_register_reset(ppc_core99_reset, cpu);
202     }
203 
204     /* allocate RAM */
205     memory_region_allocate_system_memory(ram, NULL, "ppc_core99.ram", ram_size);
206     memory_region_add_subregion(get_system_memory(), 0, ram);
207 
208     /* allocate and load BIOS */
209     memory_region_init_ram(bios, NULL, "ppc_core99.bios", BIOS_SIZE,
210                            &error_fatal);
211     vmstate_register_ram_global(bios);
212 
213     if (bios_name == NULL)
214         bios_name = PROM_FILENAME;
215     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
216     memory_region_set_readonly(bios, true);
217     memory_region_add_subregion(get_system_memory(), PROM_ADDR, bios);
218 
219     /* Load OpenBIOS (ELF) */
220     if (filename) {
221         bios_size = load_elf(filename, NULL, NULL, NULL,
222                              NULL, NULL, 1, PPC_ELF_MACHINE, 0);
223 
224         g_free(filename);
225     } else {
226         bios_size = -1;
227     }
228     if (bios_size < 0 || bios_size > BIOS_SIZE) {
229         hw_error("qemu: could not load PowerPC bios '%s'\n", bios_name);
230         exit(1);
231     }
232 
233     if (linux_boot) {
234         uint64_t lowaddr = 0;
235         int bswap_needed;
236 
237 #ifdef BSWAP_NEEDED
238         bswap_needed = 1;
239 #else
240         bswap_needed = 0;
241 #endif
242         kernel_base = KERNEL_LOAD_ADDR;
243 
244         kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL,
245                                NULL, &lowaddr, NULL, 1, PPC_ELF_MACHINE, 0);
246         if (kernel_size < 0)
247             kernel_size = load_aout(kernel_filename, kernel_base,
248                                     ram_size - kernel_base, bswap_needed,
249                                     TARGET_PAGE_SIZE);
250         if (kernel_size < 0)
251             kernel_size = load_image_targphys(kernel_filename,
252                                               kernel_base,
253                                               ram_size - kernel_base);
254         if (kernel_size < 0) {
255             hw_error("qemu: could not load kernel '%s'\n", kernel_filename);
256             exit(1);
257         }
258         /* load initrd */
259         if (initrd_filename) {
260             initrd_base = round_page(kernel_base + kernel_size + KERNEL_GAP);
261             initrd_size = load_image_targphys(initrd_filename, initrd_base,
262                                               ram_size - initrd_base);
263             if (initrd_size < 0) {
264                 hw_error("qemu: could not load initial ram disk '%s'\n",
265                          initrd_filename);
266                 exit(1);
267             }
268             cmdline_base = round_page(initrd_base + initrd_size);
269         } else {
270             initrd_base = 0;
271             initrd_size = 0;
272             cmdline_base = round_page(kernel_base + kernel_size + KERNEL_GAP);
273         }
274         ppc_boot_device = 'm';
275     } else {
276         kernel_base = 0;
277         kernel_size = 0;
278         initrd_base = 0;
279         initrd_size = 0;
280         ppc_boot_device = '\0';
281         /* We consider that NewWorld PowerMac never have any floppy drive
282          * For now, OHW cannot boot from the network.
283          */
284         for (i = 0; boot_device[i] != '\0'; i++) {
285             if (boot_device[i] >= 'c' && boot_device[i] <= 'f') {
286                 ppc_boot_device = boot_device[i];
287                 break;
288             }
289         }
290         if (ppc_boot_device == '\0') {
291             fprintf(stderr, "No valid boot device for Mac99 machine\n");
292             exit(1);
293         }
294     }
295 
296     /* Register 8 MB of ISA IO space */
297     memory_region_init_alias(isa, NULL, "isa_mmio",
298                              get_system_io(), 0, 0x00800000);
299     memory_region_add_subregion(get_system_memory(), 0xf2000000, isa);
300 
301     /* UniN init: XXX should be a real device */
302     memory_region_init_io(unin_memory, NULL, &unin_ops, token, "unin", 0x1000);
303     memory_region_add_subregion(get_system_memory(), 0xf8000000, unin_memory);
304 
305     memory_region_init_io(unin2_memory, NULL, &unin_ops, token, "unin", 0x1000);
306     memory_region_add_subregion(get_system_memory(), 0xf3000000, unin2_memory);
307 
308     openpic_irqs = g_malloc0(smp_cpus * sizeof(qemu_irq *));
309     openpic_irqs[0] =
310         g_malloc0(smp_cpus * sizeof(qemu_irq) * OPENPIC_OUTPUT_NB);
311     for (i = 0; i < smp_cpus; i++) {
312         /* Mac99 IRQ connection between OpenPIC outputs pins
313          * and PowerPC input pins
314          */
315         switch (PPC_INPUT(env)) {
316         case PPC_FLAGS_INPUT_6xx:
317             openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
318             openpic_irqs[i][OPENPIC_OUTPUT_INT] =
319                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
320             openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
321                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
322             openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
323                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP];
324             /* Not connected ? */
325             openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
326             /* Check this */
327             openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
328                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET];
329             break;
330 #if defined(TARGET_PPC64)
331         case PPC_FLAGS_INPUT_970:
332             openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
333             openpic_irqs[i][OPENPIC_OUTPUT_INT] =
334                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
335             openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
336                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
337             openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
338                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP];
339             /* Not connected ? */
340             openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
341             /* Check this */
342             openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
343                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET];
344             break;
345 #endif /* defined(TARGET_PPC64) */
346         default:
347             hw_error("Bus model not supported on mac99 machine\n");
348             exit(1);
349         }
350     }
351 
352     pic = g_new0(qemu_irq, 64);
353 
354     dev = qdev_create(NULL, TYPE_OPENPIC);
355     qdev_prop_set_uint32(dev, "model", OPENPIC_MODEL_RAVEN);
356     qdev_init_nofail(dev);
357     s = SYS_BUS_DEVICE(dev);
358     pic_mem = s->mmio[0].memory;
359     k = 0;
360     for (i = 0; i < smp_cpus; i++) {
361         for (j = 0; j < OPENPIC_OUTPUT_NB; j++) {
362             sysbus_connect_irq(s, k++, openpic_irqs[i][j]);
363         }
364     }
365 
366     for (i = 0; i < 64; i++) {
367         pic[i] = qdev_get_gpio_in(dev, i);
368     }
369 
370     if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) {
371         /* 970 gets a U3 bus */
372         pci_bus = pci_pmac_u3_init(pic, get_system_memory(), get_system_io());
373         machine_arch = ARCH_MAC99_U3;
374         machine->usb |= defaults_enabled() && !machine->usb_disabled;
375     } else {
376         pci_bus = pci_pmac_init(pic, get_system_memory(), get_system_io());
377         machine_arch = ARCH_MAC99;
378     }
379 
380     /* Timebase Frequency */
381     if (kvm_enabled()) {
382         tbfreq = kvmppc_get_tbfreq();
383     } else {
384         tbfreq = TBFREQ;
385     }
386 
387     /* init basic PC hardware */
388     escc_mem = escc_init(0, pic[0x25], pic[0x24],
389                          serial_hds[0], serial_hds[1], ESCC_CLOCK, 4);
390     memory_region_init_alias(escc_bar, NULL, "escc-bar",
391                              escc_mem, 0, memory_region_size(escc_mem));
392 
393     macio = pci_create(pci_bus, -1, TYPE_NEWWORLD_MACIO);
394     dev = DEVICE(macio);
395     qdev_connect_gpio_out(dev, 0, pic[0x19]); /* CUDA */
396     qdev_connect_gpio_out(dev, 1, pic[0x0d]); /* IDE */
397     qdev_connect_gpio_out(dev, 2, pic[0x02]); /* IDE DMA */
398     qdev_connect_gpio_out(dev, 3, pic[0x0e]); /* IDE */
399     qdev_connect_gpio_out(dev, 4, pic[0x03]); /* IDE DMA */
400     qdev_prop_set_uint64(dev, "frequency", tbfreq);
401     macio_init(macio, pic_mem, escc_bar);
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(OBJECT(macio),
407                                                         "ide[0]"));
408     macio_ide_init_drives(macio_ide, hd);
409 
410     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
411                                                         "ide[1]"));
412     macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]);
413 
414     dev = DEVICE(object_resolve_path_component(OBJECT(macio), "cuda"));
415     adb_bus = qdev_get_child_bus(dev, "adb.0");
416     dev = qdev_create(adb_bus, TYPE_ADB_KEYBOARD);
417     qdev_init_nofail(dev);
418     dev = qdev_create(adb_bus, TYPE_ADB_MOUSE);
419     qdev_init_nofail(dev);
420 
421     if (machine->usb) {
422         pci_create_simple(pci_bus, -1, "pci-ohci");
423 
424         /* U3 needs to use USB for input because Linux doesn't support via-cuda
425         on PPC64 */
426         if (machine_arch == ARCH_MAC99_U3) {
427             USBBus *usb_bus = usb_bus_find(-1);
428 
429             usb_create_simple(usb_bus, "usb-kbd");
430             usb_create_simple(usb_bus, "usb-mouse");
431         }
432     }
433 
434     pci_vga_init(pci_bus);
435 
436     if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8) {
437         graphic_depth = 15;
438     }
439 
440     for (i = 0; i < nb_nics; i++) {
441         pci_nic_init_nofail(&nd_table[i], pci_bus, "ne2k_pci", NULL);
442     }
443 
444     /* The NewWorld NVRAM is not located in the MacIO device */
445 #ifdef CONFIG_KVM
446     if (kvm_enabled() && getpagesize() > 4096) {
447         /* We can't combine read-write and read-only in a single page, so
448            move the NVRAM out of ROM again for KVM */
449         nvram_addr = 0xFFE00000;
450     }
451 #endif
452     dev = qdev_create(NULL, TYPE_MACIO_NVRAM);
453     qdev_prop_set_uint32(dev, "size", 0x2000);
454     qdev_prop_set_uint32(dev, "it_shift", 1);
455     qdev_init_nofail(dev);
456     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, nvram_addr);
457     nvr = MACIO_NVRAM(dev);
458     pmac_format_nvram_partition(nvr, 0x2000);
459     /* No PCI init: the BIOS will do it */
460 
461     fw_cfg = fw_cfg_init_mem(CFG_ADDR, CFG_ADDR + 2);
462     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
463     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
464     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, machine_arch);
465     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
466     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
467     if (kernel_cmdline) {
468         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
469         pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
470     } else {
471         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
472     }
473     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
474     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
475     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
476 
477     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
478     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
479     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
480 
481     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
482     if (kvm_enabled()) {
483 #ifdef CONFIG_KVM
484         uint8_t *hypercall;
485 
486         hypercall = g_malloc(16);
487         kvmppc_get_hypercall(env, hypercall, 16);
488         fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
489         fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
490 #endif
491     }
492     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq);
493     /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
494     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ);
495     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ);
496     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_NVRAM_ADDR, nvram_addr);
497 
498     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
499 }
500 
501 static int core99_kvm_type(const char *arg)
502 {
503     /* Always force PR KVM */
504     return 2;
505 }
506 
507 static void core99_machine_class_init(ObjectClass *oc, void *data)
508 {
509     MachineClass *mc = MACHINE_CLASS(oc);
510 
511     mc->desc = "Mac99 based PowerMAC";
512     mc->init = ppc_core99_init;
513     mc->max_cpus = MAX_CPUS;
514     mc->default_boot_order = "cd";
515     mc->kvm_type = core99_kvm_type;
516 }
517 
518 static const TypeInfo core99_machine_info = {
519     .name          = MACHINE_TYPE_NAME("mac99"),
520     .parent        = TYPE_MACHINE,
521     .class_init    = core99_machine_class_init,
522 };
523 
524 static void mac_machine_register_types(void)
525 {
526     type_register_static(&core99_machine_info);
527 }
528 
529 type_init(mac_machine_register_types)
530