xref: /openbmc/qemu/hw/ppc/mac_newworld.c (revision c40d4792)
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/misc/macio/macio.h"
64 #include "hw/ppc/openpic.h"
65 #include "hw/ide.h"
66 #include "hw/loader.h"
67 #include "elf.h"
68 #include "qemu/error-report.h"
69 #include "sysemu/kvm.h"
70 #include "kvm_ppc.h"
71 #include "hw/usb.h"
72 #include "exec/address-spaces.h"
73 #include "hw/sysbus.h"
74 #include "trace.h"
75 
76 #define MAX_IDE_BUS 2
77 #define CFG_ADDR 0xf0000510
78 #define TBFREQ (100UL * 1000UL * 1000UL)
79 #define CLOCKFREQ (900UL * 1000UL * 1000UL)
80 #define BUSFREQ (100UL * 1000UL * 1000UL)
81 
82 #define NDRV_VGA_FILENAME "qemu_vga.ndrv"
83 
84 
85 static void fw_cfg_boot_set(void *opaque, const char *boot_device,
86                             Error **errp)
87 {
88     fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
89 }
90 
91 static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
92 {
93     return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR;
94 }
95 
96 static void ppc_core99_reset(void *opaque)
97 {
98     PowerPCCPU *cpu = opaque;
99 
100     cpu_reset(CPU(cpu));
101     /* 970 CPUs want to get their initial IP as part of their boot protocol */
102     cpu->env.nip = PROM_ADDR + 0x100;
103 }
104 
105 /* PowerPC Mac99 hardware initialisation */
106 static void ppc_core99_init(MachineState *machine)
107 {
108     ram_addr_t ram_size = machine->ram_size;
109     const char *kernel_filename = machine->kernel_filename;
110     const char *kernel_cmdline = machine->kernel_cmdline;
111     const char *initrd_filename = machine->initrd_filename;
112     const char *boot_device = machine->boot_order;
113     Core99MachineState *core99_machine = CORE99_MACHINE(machine);
114     PowerPCCPU *cpu = NULL;
115     CPUPPCState *env = NULL;
116     char *filename;
117     qemu_irq **openpic_irqs;
118     int linux_boot, i, j, k;
119     MemoryRegion *ram = g_new(MemoryRegion, 1), *bios = g_new(MemoryRegion, 1);
120     hwaddr kernel_base, initrd_base, cmdline_base = 0;
121     long kernel_size, initrd_size;
122     UNINHostState *uninorth_pci;
123     PCIBus *pci_bus;
124     NewWorldMacIOState *macio;
125     bool has_pmu, has_adb;
126     MACIOIDEState *macio_ide;
127     BusState *adb_bus;
128     MacIONVRAMState *nvr;
129     int bios_size, ndrv_size;
130     uint8_t *ndrv_file;
131     int ppc_boot_device;
132     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
133     void *fw_cfg;
134     int machine_arch;
135     SysBusDevice *s;
136     DeviceState *dev, *pic_dev;
137     hwaddr nvram_addr = 0xFFF04000;
138     uint64_t tbfreq;
139 
140     linux_boot = (kernel_filename != NULL);
141 
142     /* init CPUs */
143     for (i = 0; i < smp_cpus; i++) {
144         cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
145         env = &cpu->env;
146 
147         /* Set time-base frequency to 100 Mhz */
148         cpu_ppc_tb_init(env, TBFREQ);
149         qemu_register_reset(ppc_core99_reset, cpu);
150     }
151 
152     /* allocate RAM */
153     memory_region_allocate_system_memory(ram, NULL, "ppc_core99.ram", ram_size);
154     memory_region_add_subregion(get_system_memory(), 0, ram);
155 
156     /* allocate and load BIOS */
157     memory_region_init_ram(bios, NULL, "ppc_core99.bios", BIOS_SIZE,
158                            &error_fatal);
159 
160     if (bios_name == NULL)
161         bios_name = PROM_FILENAME;
162     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
163     memory_region_set_readonly(bios, true);
164     memory_region_add_subregion(get_system_memory(), PROM_ADDR, bios);
165 
166     /* Load OpenBIOS (ELF) */
167     if (filename) {
168         bios_size = load_elf(filename, NULL, NULL, NULL,
169                              NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0);
170 
171         g_free(filename);
172     } else {
173         bios_size = -1;
174     }
175     if (bios_size < 0 || bios_size > BIOS_SIZE) {
176         error_report("could not load PowerPC bios '%s'", bios_name);
177         exit(1);
178     }
179 
180     if (linux_boot) {
181         uint64_t lowaddr = 0;
182         int bswap_needed;
183 
184 #ifdef BSWAP_NEEDED
185         bswap_needed = 1;
186 #else
187         bswap_needed = 0;
188 #endif
189         kernel_base = KERNEL_LOAD_ADDR;
190 
191         kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL,
192                                NULL, &lowaddr, NULL, 1, PPC_ELF_MACHINE,
193                                0, 0);
194         if (kernel_size < 0)
195             kernel_size = load_aout(kernel_filename, kernel_base,
196                                     ram_size - kernel_base, bswap_needed,
197                                     TARGET_PAGE_SIZE);
198         if (kernel_size < 0)
199             kernel_size = load_image_targphys(kernel_filename,
200                                               kernel_base,
201                                               ram_size - kernel_base);
202         if (kernel_size < 0) {
203             error_report("could not load kernel '%s'", kernel_filename);
204             exit(1);
205         }
206         /* load initrd */
207         if (initrd_filename) {
208             initrd_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
209             initrd_size = load_image_targphys(initrd_filename, initrd_base,
210                                               ram_size - initrd_base);
211             if (initrd_size < 0) {
212                 error_report("could not load initial ram disk '%s'",
213                              initrd_filename);
214                 exit(1);
215             }
216             cmdline_base = TARGET_PAGE_ALIGN(initrd_base + initrd_size);
217         } else {
218             initrd_base = 0;
219             initrd_size = 0;
220             cmdline_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
221         }
222         ppc_boot_device = 'm';
223     } else {
224         kernel_base = 0;
225         kernel_size = 0;
226         initrd_base = 0;
227         initrd_size = 0;
228         ppc_boot_device = '\0';
229         /* We consider that NewWorld PowerMac never have any floppy drive
230          * For now, OHW cannot boot from the network.
231          */
232         for (i = 0; boot_device[i] != '\0'; i++) {
233             if (boot_device[i] >= 'c' && boot_device[i] <= 'f') {
234                 ppc_boot_device = boot_device[i];
235                 break;
236             }
237         }
238         if (ppc_boot_device == '\0') {
239             error_report("No valid boot device for Mac99 machine");
240             exit(1);
241         }
242     }
243 
244     /* UniN init */
245     dev = qdev_create(NULL, TYPE_UNI_NORTH);
246     qdev_init_nofail(dev);
247     s = SYS_BUS_DEVICE(dev);
248     memory_region_add_subregion(get_system_memory(), 0xf8000000,
249                                 sysbus_mmio_get_region(s, 0));
250 
251     openpic_irqs = g_malloc0(smp_cpus * sizeof(qemu_irq *));
252     openpic_irqs[0] =
253         g_malloc0(smp_cpus * sizeof(qemu_irq) * OPENPIC_OUTPUT_NB);
254     for (i = 0; i < smp_cpus; i++) {
255         /* Mac99 IRQ connection between OpenPIC outputs pins
256          * and PowerPC input pins
257          */
258         switch (PPC_INPUT(env)) {
259         case PPC_FLAGS_INPUT_6xx:
260             openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
261             openpic_irqs[i][OPENPIC_OUTPUT_INT] =
262                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
263             openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
264                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
265             openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
266                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP];
267             /* Not connected ? */
268             openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
269             /* Check this */
270             openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
271                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET];
272             break;
273 #if defined(TARGET_PPC64)
274         case PPC_FLAGS_INPUT_970:
275             openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
276             openpic_irqs[i][OPENPIC_OUTPUT_INT] =
277                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
278             openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
279                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
280             openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
281                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP];
282             /* Not connected ? */
283             openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
284             /* Check this */
285             openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
286                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET];
287             break;
288 #endif /* defined(TARGET_PPC64) */
289         default:
290             error_report("Bus model not supported on mac99 machine");
291             exit(1);
292         }
293     }
294 
295     pic_dev = qdev_create(NULL, TYPE_OPENPIC);
296     qdev_prop_set_uint32(pic_dev, "model", OPENPIC_MODEL_KEYLARGO);
297     qdev_init_nofail(pic_dev);
298     s = SYS_BUS_DEVICE(pic_dev);
299     k = 0;
300     for (i = 0; i < smp_cpus; i++) {
301         for (j = 0; j < OPENPIC_OUTPUT_NB; j++) {
302             sysbus_connect_irq(s, k++, openpic_irqs[i][j]);
303         }
304     }
305 
306     if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) {
307         /* 970 gets a U3 bus */
308         /* Uninorth AGP bus */
309         dev = qdev_create(NULL, TYPE_U3_AGP_HOST_BRIDGE);
310         object_property_set_link(OBJECT(dev), OBJECT(pic_dev), "pic",
311                                  &error_abort);
312         qdev_init_nofail(dev);
313         uninorth_pci = U3_AGP_HOST_BRIDGE(dev);
314         s = SYS_BUS_DEVICE(dev);
315         /* PCI hole */
316         memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
317                                     sysbus_mmio_get_region(s, 2));
318         /* Register 8 MB of ISA IO space */
319         memory_region_add_subregion(get_system_memory(), 0xf2000000,
320                                     sysbus_mmio_get_region(s, 3));
321         sysbus_mmio_map(s, 0, 0xf0800000);
322         sysbus_mmio_map(s, 1, 0xf0c00000);
323 
324         machine_arch = ARCH_MAC99_U3;
325     } else {
326         /* Use values found on a real PowerMac */
327         /* Uninorth AGP bus */
328         dev = qdev_create(NULL, TYPE_UNI_NORTH_AGP_HOST_BRIDGE);
329         object_property_set_link(OBJECT(dev), OBJECT(pic_dev), "pic",
330                                  &error_abort);
331         qdev_init_nofail(dev);
332         s = SYS_BUS_DEVICE(dev);
333         sysbus_mmio_map(s, 0, 0xf0800000);
334         sysbus_mmio_map(s, 1, 0xf0c00000);
335 
336         /* Uninorth internal bus */
337         dev = qdev_create(NULL, TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE);
338         object_property_set_link(OBJECT(dev), OBJECT(pic_dev), "pic",
339                                  &error_abort);
340         qdev_init_nofail(dev);
341         s = SYS_BUS_DEVICE(dev);
342         sysbus_mmio_map(s, 0, 0xf4800000);
343         sysbus_mmio_map(s, 1, 0xf4c00000);
344 
345         /* Uninorth main bus */
346         dev = qdev_create(NULL, TYPE_UNI_NORTH_PCI_HOST_BRIDGE);
347         object_property_set_link(OBJECT(dev), OBJECT(pic_dev), "pic",
348                                  &error_abort);
349         qdev_init_nofail(dev);
350         uninorth_pci = UNI_NORTH_PCI_HOST_BRIDGE(dev);
351         s = SYS_BUS_DEVICE(dev);
352         /* PCI hole */
353         memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
354                                     sysbus_mmio_get_region(s, 2));
355         /* Register 8 MB of ISA IO space */
356         memory_region_add_subregion(get_system_memory(), 0xf2000000,
357                                     sysbus_mmio_get_region(s, 3));
358         sysbus_mmio_map(s, 0, 0xf2800000);
359         sysbus_mmio_map(s, 1, 0xf2c00000);
360 
361         machine_arch = ARCH_MAC99;
362     }
363 
364     machine->usb |= defaults_enabled() && !machine->usb_disabled;
365     has_pmu = (core99_machine->via_config != CORE99_VIA_CONFIG_CUDA);
366     has_adb = (core99_machine->via_config == CORE99_VIA_CONFIG_CUDA ||
367                core99_machine->via_config == CORE99_VIA_CONFIG_PMU_ADB);
368 
369     /* Timebase Frequency */
370     if (kvm_enabled()) {
371         tbfreq = kvmppc_get_tbfreq();
372     } else {
373         tbfreq = TBFREQ;
374     }
375 
376     /* init basic PC hardware */
377     pci_bus = PCI_HOST_BRIDGE(uninorth_pci)->bus;
378 
379     /* MacIO */
380     macio = NEWWORLD_MACIO(pci_create(pci_bus, -1, TYPE_NEWWORLD_MACIO));
381     dev = DEVICE(macio);
382     qdev_prop_set_uint64(dev, "frequency", tbfreq);
383     qdev_prop_set_bit(dev, "has-pmu", has_pmu);
384     qdev_prop_set_bit(dev, "has-adb", has_adb);
385     object_property_set_link(OBJECT(macio), OBJECT(pic_dev), "pic",
386                              &error_abort);
387     qdev_init_nofail(dev);
388 
389     /* We only emulate 2 out of 3 IDE controllers for now */
390     ide_drive_get(hd, ARRAY_SIZE(hd));
391 
392     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
393                                                         "ide[0]"));
394     macio_ide_init_drives(macio_ide, hd);
395 
396     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
397                                                         "ide[1]"));
398     macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]);
399 
400     if (has_adb) {
401         if (has_pmu) {
402             dev = DEVICE(object_resolve_path_component(OBJECT(macio), "pmu"));
403         } else {
404             dev = DEVICE(object_resolve_path_component(OBJECT(macio), "cuda"));
405         }
406 
407         adb_bus = qdev_get_child_bus(dev, "adb.0");
408         dev = qdev_create(adb_bus, TYPE_ADB_KEYBOARD);
409         qdev_prop_set_bit(dev, "disable-direct-reg3-writes", has_pmu);
410         qdev_init_nofail(dev);
411 
412         dev = qdev_create(adb_bus, TYPE_ADB_MOUSE);
413         qdev_prop_set_bit(dev, "disable-direct-reg3-writes", has_pmu);
414         qdev_init_nofail(dev);
415     }
416 
417     if (machine->usb) {
418         pci_create_simple(pci_bus, -1, "pci-ohci");
419 
420         /* U3 needs to use USB for input because Linux doesn't support via-cuda
421         on PPC64 */
422         if (!has_adb || machine_arch == ARCH_MAC99_U3) {
423             USBBus *usb_bus = usb_bus_find(-1);
424 
425             usb_create_simple(usb_bus, "usb-kbd");
426             usb_create_simple(usb_bus, "usb-mouse");
427         }
428     }
429 
430     pci_vga_init(pci_bus);
431 
432     if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8) {
433         graphic_depth = 15;
434     }
435 
436     for (i = 0; i < nb_nics; i++) {
437         pci_nic_init_nofail(&nd_table[i], pci_bus, "ne2k_pci", NULL);
438     }
439 
440     /* The NewWorld NVRAM is not located in the MacIO device */
441 #ifdef CONFIG_KVM
442     if (kvm_enabled() && getpagesize() > 4096) {
443         /* We can't combine read-write and read-only in a single page, so
444            move the NVRAM out of ROM again for KVM */
445         nvram_addr = 0xFFE00000;
446     }
447 #endif
448     dev = qdev_create(NULL, TYPE_MACIO_NVRAM);
449     qdev_prop_set_uint32(dev, "size", 0x2000);
450     qdev_prop_set_uint32(dev, "it_shift", 1);
451     qdev_init_nofail(dev);
452     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, nvram_addr);
453     nvr = MACIO_NVRAM(dev);
454     pmac_format_nvram_partition(nvr, 0x2000);
455     /* No PCI init: the BIOS will do it */
456 
457     fw_cfg = fw_cfg_init_mem(CFG_ADDR, CFG_ADDR + 2);
458     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
459     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
460     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
461     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, machine_arch);
462     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
463     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
464     if (kernel_cmdline) {
465         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
466         pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
467     } else {
468         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
469     }
470     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
471     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
472     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
473 
474     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
475     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
476     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
477 
478     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_VIACONFIG, core99_machine->via_config);
479 
480     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
481     if (kvm_enabled()) {
482 #ifdef CONFIG_KVM
483         uint8_t *hypercall;
484 
485         hypercall = g_malloc(16);
486         kvmppc_get_hypercall(env, hypercall, 16);
487         fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
488         fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
489 #endif
490     }
491     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq);
492     /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
493     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ);
494     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ);
495     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_NVRAM_ADDR, nvram_addr);
496 
497     /* MacOS NDRV VGA driver */
498     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, NDRV_VGA_FILENAME);
499     if (filename) {
500         ndrv_size = get_image_size(filename);
501         if (ndrv_size != -1) {
502             ndrv_file = g_malloc(ndrv_size);
503             ndrv_size = load_image(filename, ndrv_file);
504 
505             fw_cfg_add_file(fw_cfg, "ndrv/qemu_vga.ndrv", ndrv_file, ndrv_size);
506         }
507         g_free(filename);
508     }
509 
510     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
511 }
512 
513 static int core99_kvm_type(const char *arg)
514 {
515     /* Always force PR KVM */
516     return 2;
517 }
518 
519 static void core99_machine_class_init(ObjectClass *oc, void *data)
520 {
521     MachineClass *mc = MACHINE_CLASS(oc);
522 
523     mc->desc = "Mac99 based PowerMAC";
524     mc->init = ppc_core99_init;
525     mc->block_default_type = IF_IDE;
526     mc->max_cpus = MAX_CPUS;
527     mc->default_boot_order = "cd";
528     mc->kvm_type = core99_kvm_type;
529 #ifdef TARGET_PPC64
530     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("970fx_v3.1");
531 #else
532     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("7400_v2.9");
533 #endif
534 }
535 
536 static char *core99_get_via_config(Object *obj, Error **errp)
537 {
538     Core99MachineState *cms = CORE99_MACHINE(obj);
539 
540     switch (cms->via_config) {
541     default:
542     case CORE99_VIA_CONFIG_CUDA:
543         return g_strdup("cuda");
544 
545     case CORE99_VIA_CONFIG_PMU:
546         return g_strdup("pmu");
547 
548     case CORE99_VIA_CONFIG_PMU_ADB:
549         return g_strdup("pmu-adb");
550     }
551 }
552 
553 static void core99_set_via_config(Object *obj, const char *value, Error **errp)
554 {
555     Core99MachineState *cms = CORE99_MACHINE(obj);
556 
557     if (!strcmp(value, "cuda")) {
558         cms->via_config = CORE99_VIA_CONFIG_CUDA;
559     } else if (!strcmp(value, "pmu")) {
560         cms->via_config = CORE99_VIA_CONFIG_PMU;
561     } else if (!strcmp(value, "pmu-adb")) {
562         cms->via_config = CORE99_VIA_CONFIG_PMU_ADB;
563     } else {
564         error_setg(errp, "Invalid via value");
565         error_append_hint(errp, "Valid values are cuda, pmu, pmu-adb.\n");
566     }
567 }
568 
569 static void core99_instance_init(Object *obj)
570 {
571     Core99MachineState *cms = CORE99_MACHINE(obj);
572 
573     /* Default via_config is CORE99_VIA_CONFIG_CUDA */
574     cms->via_config = CORE99_VIA_CONFIG_CUDA;
575     object_property_add_str(obj, "via", core99_get_via_config,
576                             core99_set_via_config, NULL);
577     object_property_set_description(obj, "via",
578                                     "Set VIA configuration. "
579                                     "Valid values are cuda, pmu and pmu-adb",
580                                     NULL);
581 
582     return;
583 }
584 
585 static const TypeInfo core99_machine_info = {
586     .name          = MACHINE_TYPE_NAME("mac99"),
587     .parent        = TYPE_MACHINE,
588     .class_init    = core99_machine_class_init,
589     .instance_init = core99_instance_init,
590     .instance_size = sizeof(Core99MachineState)
591 };
592 
593 static void mac_machine_register_types(void)
594 {
595     type_register_static(&core99_machine_info);
596 }
597 
598 type_init(mac_machine_register_types)
599