xref: /openbmc/qemu/hw/ppc/mac_newworld.c (revision c39f95dc)
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 "qapi/error.h"
51 #include "hw/hw.h"
52 #include "hw/ppc/ppc.h"
53 #include "hw/ppc/mac.h"
54 #include "hw/input/adb.h"
55 #include "hw/ppc/mac_dbdma.h"
56 #include "hw/timer/m48t59.h"
57 #include "hw/pci/pci.h"
58 #include "net/net.h"
59 #include "sysemu/sysemu.h"
60 #include "hw/boards.h"
61 #include "hw/nvram/fw_cfg.h"
62 #include "hw/char/escc.h"
63 #include "hw/ppc/openpic.h"
64 #include "hw/ide.h"
65 #include "hw/loader.h"
66 #include "elf.h"
67 #include "qemu/error-report.h"
68 #include "sysemu/kvm.h"
69 #include "kvm_ppc.h"
70 #include "hw/usb.h"
71 #include "sysemu/block-backend.h"
72 #include "exec/address-spaces.h"
73 #include "hw/sysbus.h"
74 #include "qemu/cutils.h"
75 #include "trace.h"
76 
77 #define MAX_IDE_BUS 2
78 #define CFG_ADDR 0xf0000510
79 #define TBFREQ (100UL * 1000UL * 1000UL)
80 #define CLOCKFREQ (900UL * 1000UL * 1000UL)
81 #define BUSFREQ (100UL * 1000UL * 1000UL)
82 
83 #define NDRV_VGA_FILENAME "qemu_vga.ndrv"
84 
85 /* UniN device */
86 static void unin_write(void *opaque, hwaddr addr, uint64_t value,
87                        unsigned size)
88 {
89     trace_mac99_uninorth_write(addr, value);
90     if (addr == 0x0) {
91         *(int*)opaque = value;
92     }
93 }
94 
95 static uint64_t unin_read(void *opaque, hwaddr addr, unsigned size)
96 {
97     uint32_t value;
98 
99     value = 0;
100     switch (addr) {
101     case 0:
102         value = *(int*)opaque;
103     }
104 
105     trace_mac99_uninorth_read(addr, value);
106 
107     return value;
108 }
109 
110 static const MemoryRegionOps unin_ops = {
111     .read = unin_read,
112     .write = unin_write,
113     .endianness = DEVICE_NATIVE_ENDIAN,
114 };
115 
116 static void fw_cfg_boot_set(void *opaque, const char *boot_device,
117                             Error **errp)
118 {
119     fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
120 }
121 
122 static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
123 {
124     return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR;
125 }
126 
127 static void ppc_core99_reset(void *opaque)
128 {
129     PowerPCCPU *cpu = opaque;
130 
131     cpu_reset(CPU(cpu));
132     /* 970 CPUs want to get their initial IP as part of their boot protocol */
133     cpu->env.nip = PROM_ADDR + 0x100;
134 }
135 
136 /* PowerPC Mac99 hardware initialisation */
137 static void ppc_core99_init(MachineState *machine)
138 {
139     ram_addr_t ram_size = machine->ram_size;
140     const char *kernel_filename = machine->kernel_filename;
141     const char *kernel_cmdline = machine->kernel_cmdline;
142     const char *initrd_filename = machine->initrd_filename;
143     const char *boot_device = machine->boot_order;
144     PowerPCCPU *cpu = NULL;
145     CPUPPCState *env = NULL;
146     char *filename;
147     qemu_irq *pic, **openpic_irqs;
148     MemoryRegion *isa = g_new(MemoryRegion, 1);
149     MemoryRegion *unin_memory = g_new(MemoryRegion, 1);
150     MemoryRegion *unin2_memory = g_new(MemoryRegion, 1);
151     int linux_boot, i, j, k;
152     MemoryRegion *ram = g_new(MemoryRegion, 1), *bios = g_new(MemoryRegion, 1);
153     hwaddr kernel_base, initrd_base, cmdline_base = 0;
154     long kernel_size, initrd_size;
155     PCIBus *pci_bus;
156     PCIDevice *macio;
157     MACIOIDEState *macio_ide;
158     BusState *adb_bus;
159     MacIONVRAMState *nvr;
160     int bios_size, ndrv_size;
161     uint8_t *ndrv_file;
162     MemoryRegion *pic_mem, *escc_mem;
163     MemoryRegion *escc_bar = g_new(MemoryRegion, 1);
164     int ppc_boot_device;
165     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
166     void *fw_cfg;
167     int machine_arch;
168     SysBusDevice *s;
169     DeviceState *dev;
170     int *token = g_new(int, 1);
171     hwaddr nvram_addr = 0xFFF04000;
172     uint64_t tbfreq;
173 
174     linux_boot = (kernel_filename != NULL);
175 
176     /* init CPUs */
177     for (i = 0; i < smp_cpus; i++) {
178         cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
179         env = &cpu->env;
180 
181         /* Set time-base frequency to 100 Mhz */
182         cpu_ppc_tb_init(env, TBFREQ);
183         qemu_register_reset(ppc_core99_reset, cpu);
184     }
185 
186     /* allocate RAM */
187     memory_region_allocate_system_memory(ram, NULL, "ppc_core99.ram", ram_size);
188     memory_region_add_subregion(get_system_memory(), 0, ram);
189 
190     /* allocate and load BIOS */
191     memory_region_init_ram(bios, NULL, "ppc_core99.bios", BIOS_SIZE,
192                            &error_fatal);
193 
194     if (bios_name == NULL)
195         bios_name = PROM_FILENAME;
196     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
197     memory_region_set_readonly(bios, true);
198     memory_region_add_subregion(get_system_memory(), PROM_ADDR, bios);
199 
200     /* Load OpenBIOS (ELF) */
201     if (filename) {
202         bios_size = load_elf(filename, NULL, NULL, NULL,
203                              NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0);
204 
205         g_free(filename);
206     } else {
207         bios_size = -1;
208     }
209     if (bios_size < 0 || bios_size > BIOS_SIZE) {
210         error_report("could not load PowerPC bios '%s'", bios_name);
211         exit(1);
212     }
213 
214     if (linux_boot) {
215         uint64_t lowaddr = 0;
216         int bswap_needed;
217 
218 #ifdef BSWAP_NEEDED
219         bswap_needed = 1;
220 #else
221         bswap_needed = 0;
222 #endif
223         kernel_base = KERNEL_LOAD_ADDR;
224 
225         kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL,
226                                NULL, &lowaddr, NULL, 1, PPC_ELF_MACHINE,
227                                0, 0);
228         if (kernel_size < 0)
229             kernel_size = load_aout(kernel_filename, kernel_base,
230                                     ram_size - kernel_base, bswap_needed,
231                                     TARGET_PAGE_SIZE);
232         if (kernel_size < 0)
233             kernel_size = load_image_targphys(kernel_filename,
234                                               kernel_base,
235                                               ram_size - kernel_base);
236         if (kernel_size < 0) {
237             error_report("could not load kernel '%s'", kernel_filename);
238             exit(1);
239         }
240         /* load initrd */
241         if (initrd_filename) {
242             initrd_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
243             initrd_size = load_image_targphys(initrd_filename, initrd_base,
244                                               ram_size - initrd_base);
245             if (initrd_size < 0) {
246                 error_report("could not load initial ram disk '%s'",
247                              initrd_filename);
248                 exit(1);
249             }
250             cmdline_base = TARGET_PAGE_ALIGN(initrd_base + initrd_size);
251         } else {
252             initrd_base = 0;
253             initrd_size = 0;
254             cmdline_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
255         }
256         ppc_boot_device = 'm';
257     } else {
258         kernel_base = 0;
259         kernel_size = 0;
260         initrd_base = 0;
261         initrd_size = 0;
262         ppc_boot_device = '\0';
263         /* We consider that NewWorld PowerMac never have any floppy drive
264          * For now, OHW cannot boot from the network.
265          */
266         for (i = 0; boot_device[i] != '\0'; i++) {
267             if (boot_device[i] >= 'c' && boot_device[i] <= 'f') {
268                 ppc_boot_device = boot_device[i];
269                 break;
270             }
271         }
272         if (ppc_boot_device == '\0') {
273             fprintf(stderr, "No valid boot device for Mac99 machine\n");
274             exit(1);
275         }
276     }
277 
278     /* Register 8 MB of ISA IO space */
279     memory_region_init_alias(isa, NULL, "isa_mmio",
280                              get_system_io(), 0, 0x00800000);
281     memory_region_add_subregion(get_system_memory(), 0xf2000000, isa);
282 
283     /* UniN init: XXX should be a real device */
284     memory_region_init_io(unin_memory, NULL, &unin_ops, token, "unin", 0x1000);
285     memory_region_add_subregion(get_system_memory(), 0xf8000000, unin_memory);
286 
287     memory_region_init_io(unin2_memory, NULL, &unin_ops, token, "unin", 0x1000);
288     memory_region_add_subregion(get_system_memory(), 0xf3000000, unin2_memory);
289 
290     openpic_irqs = g_malloc0(smp_cpus * sizeof(qemu_irq *));
291     openpic_irqs[0] =
292         g_malloc0(smp_cpus * sizeof(qemu_irq) * OPENPIC_OUTPUT_NB);
293     for (i = 0; i < smp_cpus; i++) {
294         /* Mac99 IRQ connection between OpenPIC outputs pins
295          * and PowerPC input pins
296          */
297         switch (PPC_INPUT(env)) {
298         case PPC_FLAGS_INPUT_6xx:
299             openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
300             openpic_irqs[i][OPENPIC_OUTPUT_INT] =
301                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
302             openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
303                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
304             openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
305                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP];
306             /* Not connected ? */
307             openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
308             /* Check this */
309             openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
310                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET];
311             break;
312 #if defined(TARGET_PPC64)
313         case PPC_FLAGS_INPUT_970:
314             openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
315             openpic_irqs[i][OPENPIC_OUTPUT_INT] =
316                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
317             openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
318                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
319             openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
320                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP];
321             /* Not connected ? */
322             openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
323             /* Check this */
324             openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
325                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET];
326             break;
327 #endif /* defined(TARGET_PPC64) */
328         default:
329             error_report("Bus model not supported on mac99 machine");
330             exit(1);
331         }
332     }
333 
334     pic = g_new0(qemu_irq, 64);
335 
336     dev = qdev_create(NULL, TYPE_OPENPIC);
337     qdev_prop_set_uint32(dev, "model", OPENPIC_MODEL_KEYLARGO);
338     qdev_init_nofail(dev);
339     s = SYS_BUS_DEVICE(dev);
340     pic_mem = s->mmio[0].memory;
341     k = 0;
342     for (i = 0; i < smp_cpus; i++) {
343         for (j = 0; j < OPENPIC_OUTPUT_NB; j++) {
344             sysbus_connect_irq(s, k++, openpic_irqs[i][j]);
345         }
346     }
347 
348     for (i = 0; i < 64; i++) {
349         pic[i] = qdev_get_gpio_in(dev, i);
350     }
351 
352     if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) {
353         /* 970 gets a U3 bus */
354         pci_bus = pci_pmac_u3_init(pic, get_system_memory(), get_system_io());
355         machine_arch = ARCH_MAC99_U3;
356     } else {
357         pci_bus = pci_pmac_init(pic, get_system_memory(), get_system_io());
358         machine_arch = ARCH_MAC99;
359     }
360     object_property_set_bool(OBJECT(pci_bus), true, "realized", &error_abort);
361 
362     machine->usb |= defaults_enabled() && !machine->usb_disabled;
363 
364     /* Timebase Frequency */
365     if (kvm_enabled()) {
366         tbfreq = kvmppc_get_tbfreq();
367     } else {
368         tbfreq = TBFREQ;
369     }
370 
371     /* init basic PC hardware */
372     escc_mem = escc_init(0, pic[0x25], pic[0x24],
373                          serial_hds[0], serial_hds[1], ESCC_CLOCK, 4);
374     memory_region_init_alias(escc_bar, NULL, "escc-bar",
375                              escc_mem, 0, memory_region_size(escc_mem));
376 
377     macio = pci_create(pci_bus, -1, TYPE_NEWWORLD_MACIO);
378     dev = DEVICE(macio);
379     qdev_connect_gpio_out(dev, 0, pic[0x19]); /* CUDA */
380     qdev_connect_gpio_out(dev, 1, pic[0x0d]); /* IDE */
381     qdev_connect_gpio_out(dev, 2, pic[0x02]); /* IDE DMA */
382     qdev_connect_gpio_out(dev, 3, pic[0x0e]); /* IDE */
383     qdev_connect_gpio_out(dev, 4, pic[0x03]); /* IDE DMA */
384     qdev_prop_set_uint64(dev, "frequency", tbfreq);
385     macio_init(macio, pic_mem, escc_bar);
386 
387     /* We only emulate 2 out of 3 IDE controllers for now */
388     ide_drive_get(hd, ARRAY_SIZE(hd));
389 
390     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
391                                                         "ide[0]"));
392     macio_ide_init_drives(macio_ide, hd);
393 
394     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
395                                                         "ide[1]"));
396     macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]);
397 
398     dev = DEVICE(object_resolve_path_component(OBJECT(macio), "cuda"));
399     adb_bus = qdev_get_child_bus(dev, "adb.0");
400     dev = qdev_create(adb_bus, TYPE_ADB_KEYBOARD);
401     qdev_init_nofail(dev);
402     dev = qdev_create(adb_bus, TYPE_ADB_MOUSE);
403     qdev_init_nofail(dev);
404 
405     if (machine->usb) {
406         pci_create_simple(pci_bus, -1, "pci-ohci");
407 
408         /* U3 needs to use USB for input because Linux doesn't support via-cuda
409         on PPC64 */
410         if (machine_arch == ARCH_MAC99_U3) {
411             USBBus *usb_bus = usb_bus_find(-1);
412 
413             usb_create_simple(usb_bus, "usb-kbd");
414             usb_create_simple(usb_bus, "usb-mouse");
415         }
416     }
417 
418     pci_vga_init(pci_bus);
419 
420     if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8) {
421         graphic_depth = 15;
422     }
423 
424     for (i = 0; i < nb_nics; i++) {
425         pci_nic_init_nofail(&nd_table[i], pci_bus, "ne2k_pci", NULL);
426     }
427 
428     /* The NewWorld NVRAM is not located in the MacIO device */
429 #ifdef CONFIG_KVM
430     if (kvm_enabled() && getpagesize() > 4096) {
431         /* We can't combine read-write and read-only in a single page, so
432            move the NVRAM out of ROM again for KVM */
433         nvram_addr = 0xFFE00000;
434     }
435 #endif
436     dev = qdev_create(NULL, TYPE_MACIO_NVRAM);
437     qdev_prop_set_uint32(dev, "size", 0x2000);
438     qdev_prop_set_uint32(dev, "it_shift", 1);
439     qdev_init_nofail(dev);
440     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, nvram_addr);
441     nvr = MACIO_NVRAM(dev);
442     pmac_format_nvram_partition(nvr, 0x2000);
443     /* No PCI init: the BIOS will do it */
444 
445     fw_cfg = fw_cfg_init_mem(CFG_ADDR, CFG_ADDR + 2);
446     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
447     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
448     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
449     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, machine_arch);
450     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
451     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
452     if (kernel_cmdline) {
453         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
454         pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
455     } else {
456         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
457     }
458     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
459     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
460     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
461 
462     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
463     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
464     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
465 
466     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
467     if (kvm_enabled()) {
468 #ifdef CONFIG_KVM
469         uint8_t *hypercall;
470 
471         hypercall = g_malloc(16);
472         kvmppc_get_hypercall(env, hypercall, 16);
473         fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
474         fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
475 #endif
476     }
477     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq);
478     /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
479     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ);
480     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ);
481     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_NVRAM_ADDR, nvram_addr);
482 
483     /* MacOS NDRV VGA driver */
484     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, NDRV_VGA_FILENAME);
485     if (filename) {
486         ndrv_size = get_image_size(filename);
487         if (ndrv_size != -1) {
488             ndrv_file = g_malloc(ndrv_size);
489             ndrv_size = load_image(filename, ndrv_file);
490 
491             fw_cfg_add_file(fw_cfg, "ndrv/qemu_vga.ndrv", ndrv_file, ndrv_size);
492         }
493         g_free(filename);
494     }
495 
496     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
497 }
498 
499 static int core99_kvm_type(const char *arg)
500 {
501     /* Always force PR KVM */
502     return 2;
503 }
504 
505 static void core99_machine_class_init(ObjectClass *oc, void *data)
506 {
507     MachineClass *mc = MACHINE_CLASS(oc);
508 
509     mc->desc = "Mac99 based PowerMAC";
510     mc->init = ppc_core99_init;
511     mc->block_default_type = IF_IDE;
512     mc->max_cpus = MAX_CPUS;
513     mc->default_boot_order = "cd";
514     mc->kvm_type = core99_kvm_type;
515 #ifdef TARGET_PPC64
516     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("970fx_v3.1");
517 #else
518     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("7400_v2.9");
519 #endif
520 }
521 
522 static const TypeInfo core99_machine_info = {
523     .name          = MACHINE_TYPE_NAME("mac99"),
524     .parent        = TYPE_MACHINE,
525     .class_init    = core99_machine_class_init,
526 };
527 
528 static void mac_machine_register_types(void)
529 {
530     type_register_static(&core99_machine_info);
531 }
532 
533 type_init(mac_machine_register_types)
534