xref: /openbmc/qemu/hw/ppc/mac_newworld.c (revision 08b97f7f)
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 "qemu-common.h"
51 #include "qapi/error.h"
52 #include "hw/hw.h"
53 #include "hw/ppc/ppc.h"
54 #include "hw/ppc/mac.h"
55 #include "hw/input/adb.h"
56 #include "hw/ppc/mac_dbdma.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 "hw/fw-path-provider.h"
68 #include "elf.h"
69 #include "qemu/error-report.h"
70 #include "sysemu/kvm.h"
71 #include "kvm_ppc.h"
72 #include "hw/usb.h"
73 #include "exec/address-spaces.h"
74 #include "hw/sysbus.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 
86 static void fw_cfg_boot_set(void *opaque, const char *boot_device,
87                             Error **errp)
88 {
89     fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
90 }
91 
92 static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
93 {
94     return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR;
95 }
96 
97 static void ppc_core99_reset(void *opaque)
98 {
99     PowerPCCPU *cpu = opaque;
100 
101     cpu_reset(CPU(cpu));
102     /* 970 CPUs want to get their initial IP as part of their boot protocol */
103     cpu->env.nip = PROM_ADDR + 0x100;
104 }
105 
106 /* PowerPC Mac99 hardware initialisation */
107 static void ppc_core99_init(MachineState *machine)
108 {
109     ram_addr_t ram_size = machine->ram_size;
110     const char *kernel_filename = machine->kernel_filename;
111     const char *kernel_cmdline = machine->kernel_cmdline;
112     const char *initrd_filename = machine->initrd_filename;
113     const char *boot_device = machine->boot_order;
114     Core99MachineState *core99_machine = CORE99_MACHINE(machine);
115     PowerPCCPU *cpu = NULL;
116     CPUPPCState *env = NULL;
117     char *filename;
118     IrqLines *openpic_irqs;
119     int linux_boot, i, j, k;
120     MemoryRegion *ram = g_new(MemoryRegion, 1), *bios = g_new(MemoryRegion, 1);
121     hwaddr kernel_base, initrd_base, cmdline_base = 0;
122     long kernel_size, initrd_size;
123     UNINHostState *uninorth_pci;
124     PCIBus *pci_bus;
125     NewWorldMacIOState *macio;
126     bool has_pmu, has_adb;
127     MACIOIDEState *macio_ide;
128     BusState *adb_bus;
129     MacIONVRAMState *nvr;
130     int bios_size;
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     unsigned int smp_cpus = machine->smp.cpus;
140 
141     linux_boot = (kernel_filename != NULL);
142 
143     /* init CPUs */
144     for (i = 0; i < smp_cpus; i++) {
145         cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
146         env = &cpu->env;
147 
148         /* Set time-base frequency to 100 Mhz */
149         cpu_ppc_tb_init(env, TBFREQ);
150         qemu_register_reset(ppc_core99_reset, cpu);
151     }
152 
153     /* allocate RAM */
154     memory_region_allocate_system_memory(ram, NULL, "ppc_core99.ram", ram_size);
155     memory_region_add_subregion(get_system_memory(), 0, ram);
156 
157     /* allocate and load BIOS */
158     memory_region_init_ram(bios, NULL, "ppc_core99.bios", BIOS_SIZE,
159                            &error_fatal);
160 
161     if (bios_name == NULL)
162         bios_name = PROM_FILENAME;
163     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
164     memory_region_set_readonly(bios, true);
165     memory_region_add_subregion(get_system_memory(), PROM_ADDR, bios);
166 
167     /* Load OpenBIOS (ELF) */
168     if (filename) {
169         bios_size = load_elf(filename, NULL, NULL, NULL, NULL,
170                              NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0);
171 
172         g_free(filename);
173     } else {
174         bios_size = -1;
175     }
176     if (bios_size < 0 || bios_size > BIOS_SIZE) {
177         error_report("could not load PowerPC bios '%s'", bios_name);
178         exit(1);
179     }
180 
181     if (linux_boot) {
182         uint64_t lowaddr = 0;
183         int bswap_needed;
184 
185 #ifdef BSWAP_NEEDED
186         bswap_needed = 1;
187 #else
188         bswap_needed = 0;
189 #endif
190         kernel_base = KERNEL_LOAD_ADDR;
191 
192         kernel_size = load_elf(kernel_filename, NULL,
193                                translate_kernel_address, NULL,
194                                NULL, &lowaddr, NULL, 1, PPC_ELF_MACHINE,
195                                0, 0);
196         if (kernel_size < 0)
197             kernel_size = load_aout(kernel_filename, kernel_base,
198                                     ram_size - kernel_base, bswap_needed,
199                                     TARGET_PAGE_SIZE);
200         if (kernel_size < 0)
201             kernel_size = load_image_targphys(kernel_filename,
202                                               kernel_base,
203                                               ram_size - kernel_base);
204         if (kernel_size < 0) {
205             error_report("could not load kernel '%s'", kernel_filename);
206             exit(1);
207         }
208         /* load initrd */
209         if (initrd_filename) {
210             initrd_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
211             initrd_size = load_image_targphys(initrd_filename, initrd_base,
212                                               ram_size - initrd_base);
213             if (initrd_size < 0) {
214                 error_report("could not load initial ram disk '%s'",
215                              initrd_filename);
216                 exit(1);
217             }
218             cmdline_base = TARGET_PAGE_ALIGN(initrd_base + initrd_size);
219         } else {
220             initrd_base = 0;
221             initrd_size = 0;
222             cmdline_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
223         }
224         ppc_boot_device = 'm';
225     } else {
226         kernel_base = 0;
227         kernel_size = 0;
228         initrd_base = 0;
229         initrd_size = 0;
230         ppc_boot_device = '\0';
231         /* We consider that NewWorld PowerMac never have any floppy drive
232          * For now, OHW cannot boot from the network.
233          */
234         for (i = 0; boot_device[i] != '\0'; i++) {
235             if (boot_device[i] >= 'c' && boot_device[i] <= 'f') {
236                 ppc_boot_device = boot_device[i];
237                 break;
238             }
239         }
240         if (ppc_boot_device == '\0') {
241             error_report("No valid boot device for Mac99 machine");
242             exit(1);
243         }
244     }
245 
246     /* UniN init */
247     dev = qdev_create(NULL, TYPE_UNI_NORTH);
248     qdev_init_nofail(dev);
249     s = SYS_BUS_DEVICE(dev);
250     memory_region_add_subregion(get_system_memory(), 0xf8000000,
251                                 sysbus_mmio_get_region(s, 0));
252 
253     openpic_irqs = g_new0(IrqLines, smp_cpus);
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].irq[OPENPIC_OUTPUT_INT] =
261                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
262             openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
263                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
264             openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
265                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP];
266             /* Not connected ? */
267             openpic_irqs[i].irq[OPENPIC_OUTPUT_DEBUG] = NULL;
268             /* Check this */
269             openpic_irqs[i].irq[OPENPIC_OUTPUT_RESET] =
270                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET];
271             break;
272 #if defined(TARGET_PPC64)
273         case PPC_FLAGS_INPUT_970:
274             openpic_irqs[i].irq[OPENPIC_OUTPUT_INT] =
275                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
276             openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
277                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
278             openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
279                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP];
280             /* Not connected ? */
281             openpic_irqs[i].irq[OPENPIC_OUTPUT_DEBUG] = NULL;
282             /* Check this */
283             openpic_irqs[i].irq[OPENPIC_OUTPUT_RESET] =
284                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET];
285             break;
286 #endif /* defined(TARGET_PPC64) */
287         default:
288             error_report("Bus model not supported on mac99 machine");
289             exit(1);
290         }
291     }
292 
293     pic_dev = qdev_create(NULL, TYPE_OPENPIC);
294     qdev_prop_set_uint32(pic_dev, "model", OPENPIC_MODEL_KEYLARGO);
295     qdev_init_nofail(pic_dev);
296     s = SYS_BUS_DEVICE(pic_dev);
297     k = 0;
298     for (i = 0; i < smp_cpus; i++) {
299         for (j = 0; j < OPENPIC_OUTPUT_NB; j++) {
300             sysbus_connect_irq(s, k++, openpic_irqs[i].irq[j]);
301         }
302     }
303     g_free(openpic_irqs);
304 
305     if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) {
306         /* 970 gets a U3 bus */
307         /* Uninorth AGP bus */
308         dev = qdev_create(NULL, TYPE_U3_AGP_HOST_BRIDGE);
309         object_property_set_link(OBJECT(dev), OBJECT(pic_dev), "pic",
310                                  &error_abort);
311         qdev_init_nofail(dev);
312         uninorth_pci = U3_AGP_HOST_BRIDGE(dev);
313         s = SYS_BUS_DEVICE(dev);
314         /* PCI hole */
315         memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
316                                     sysbus_mmio_get_region(s, 2));
317         /* Register 8 MB of ISA IO space */
318         memory_region_add_subregion(get_system_memory(), 0xf2000000,
319                                     sysbus_mmio_get_region(s, 3));
320         sysbus_mmio_map(s, 0, 0xf0800000);
321         sysbus_mmio_map(s, 1, 0xf0c00000);
322 
323         machine_arch = ARCH_MAC99_U3;
324     } else {
325         /* Use values found on a real PowerMac */
326         /* Uninorth AGP bus */
327         dev = qdev_create(NULL, TYPE_UNI_NORTH_AGP_HOST_BRIDGE);
328         object_property_set_link(OBJECT(dev), OBJECT(pic_dev), "pic",
329                                  &error_abort);
330         qdev_init_nofail(dev);
331         s = SYS_BUS_DEVICE(dev);
332         sysbus_mmio_map(s, 0, 0xf0800000);
333         sysbus_mmio_map(s, 1, 0xf0c00000);
334 
335         /* Uninorth internal bus */
336         dev = qdev_create(NULL, TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE);
337         object_property_set_link(OBJECT(dev), OBJECT(pic_dev), "pic",
338                                  &error_abort);
339         qdev_init_nofail(dev);
340         s = SYS_BUS_DEVICE(dev);
341         sysbus_mmio_map(s, 0, 0xf4800000);
342         sysbus_mmio_map(s, 1, 0xf4c00000);
343 
344         /* Uninorth main bus */
345         dev = qdev_create(NULL, TYPE_UNI_NORTH_PCI_HOST_BRIDGE);
346         qdev_prop_set_uint32(dev, "ofw-addr", 0xf2000000);
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", true);
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", true);
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, "sungem", NULL);
438     }
439 
440     /* The NewWorld NVRAM is not located in the MacIO device */
441     if (kvm_enabled() && getpagesize() > 4096) {
442         /* We can't combine read-write and read-only in a single page, so
443            move the NVRAM out of ROM again for KVM */
444         nvram_addr = 0xFFE00000;
445     }
446     dev = qdev_create(NULL, TYPE_MACIO_NVRAM);
447     qdev_prop_set_uint32(dev, "size", 0x2000);
448     qdev_prop_set_uint32(dev, "it_shift", 1);
449     qdev_init_nofail(dev);
450     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, nvram_addr);
451     nvr = MACIO_NVRAM(dev);
452     pmac_format_nvram_partition(nvr, 0x2000);
453     /* No PCI init: the BIOS will do it */
454 
455     dev = qdev_create(NULL, TYPE_FW_CFG_MEM);
456     fw_cfg = FW_CFG(dev);
457     qdev_prop_set_uint32(dev, "data_width", 1);
458     qdev_prop_set_bit(dev, "dma_enabled", false);
459     object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
460                               OBJECT(fw_cfg), NULL);
461     qdev_init_nofail(dev);
462     s = SYS_BUS_DEVICE(dev);
463     sysbus_mmio_map(s, 0, CFG_ADDR);
464     sysbus_mmio_map(s, 1, CFG_ADDR + 2);
465 
466     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
467     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)machine->smp.max_cpus);
468     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
469     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, machine_arch);
470     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
471     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
472     if (kernel_cmdline) {
473         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
474         pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
475     } else {
476         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
477     }
478     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
479     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
480     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
481 
482     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
483     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
484     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
485 
486     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_VIACONFIG, core99_machine->via_config);
487 
488     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
489     if (kvm_enabled()) {
490         uint8_t *hypercall;
491 
492         hypercall = g_malloc(16);
493         kvmppc_get_hypercall(env, hypercall, 16);
494         fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
495         fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
496     }
497     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq);
498     /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
499     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ);
500     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ);
501     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_NVRAM_ADDR, nvram_addr);
502 
503     /* MacOS NDRV VGA driver */
504     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, NDRV_VGA_FILENAME);
505     if (filename) {
506         gchar *ndrv_file;
507         gsize ndrv_size;
508 
509         if (g_file_get_contents(filename, &ndrv_file, &ndrv_size, NULL)) {
510             fw_cfg_add_file(fw_cfg, "ndrv/qemu_vga.ndrv", ndrv_file, ndrv_size);
511         }
512         g_free(filename);
513     }
514 
515     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
516 }
517 
518 /*
519  * Implementation of an interface to adjust firmware path
520  * for the bootindex property handling.
521  */
522 static char *core99_fw_dev_path(FWPathProvider *p, BusState *bus,
523                                 DeviceState *dev)
524 {
525     PCIDevice *pci;
526     IDEBus *ide_bus;
527     IDEState *ide_s;
528     MACIOIDEState *macio_ide;
529 
530     if (!strcmp(object_get_typename(OBJECT(dev)), "macio-newworld")) {
531         pci = PCI_DEVICE(dev);
532         return g_strdup_printf("mac-io@%x", PCI_SLOT(pci->devfn));
533     }
534 
535     if (!strcmp(object_get_typename(OBJECT(dev)), "macio-ide")) {
536         macio_ide = MACIO_IDE(dev);
537         return g_strdup_printf("ata-3@%x", macio_ide->addr);
538     }
539 
540     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-drive")) {
541         ide_bus = IDE_BUS(qdev_get_parent_bus(dev));
542         ide_s = idebus_active_if(ide_bus);
543 
544         if (ide_s->drive_kind == IDE_CD) {
545             return g_strdup("cdrom");
546         }
547 
548         return g_strdup("disk");
549     }
550 
551     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-hd")) {
552         return g_strdup("disk");
553     }
554 
555     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
556         return g_strdup("cdrom");
557     }
558 
559     if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
560         return g_strdup("disk");
561     }
562 
563     return NULL;
564 }
565 static int core99_kvm_type(MachineState *machine, const char *arg)
566 {
567     /* Always force PR KVM */
568     return 2;
569 }
570 
571 static void core99_machine_class_init(ObjectClass *oc, void *data)
572 {
573     MachineClass *mc = MACHINE_CLASS(oc);
574     FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
575 
576     mc->desc = "Mac99 based PowerMAC";
577     mc->init = ppc_core99_init;
578     mc->block_default_type = IF_IDE;
579     mc->max_cpus = MAX_CPUS;
580     mc->default_boot_order = "cd";
581     mc->default_display = "std";
582     mc->kvm_type = core99_kvm_type;
583 #ifdef TARGET_PPC64
584     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("970fx_v3.1");
585 #else
586     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("7400_v2.9");
587 #endif
588     mc->ignore_boot_device_suffixes = true;
589     fwc->get_dev_path = core99_fw_dev_path;
590 }
591 
592 static char *core99_get_via_config(Object *obj, Error **errp)
593 {
594     Core99MachineState *cms = CORE99_MACHINE(obj);
595 
596     switch (cms->via_config) {
597     default:
598     case CORE99_VIA_CONFIG_CUDA:
599         return g_strdup("cuda");
600 
601     case CORE99_VIA_CONFIG_PMU:
602         return g_strdup("pmu");
603 
604     case CORE99_VIA_CONFIG_PMU_ADB:
605         return g_strdup("pmu-adb");
606     }
607 }
608 
609 static void core99_set_via_config(Object *obj, const char *value, Error **errp)
610 {
611     Core99MachineState *cms = CORE99_MACHINE(obj);
612 
613     if (!strcmp(value, "cuda")) {
614         cms->via_config = CORE99_VIA_CONFIG_CUDA;
615     } else if (!strcmp(value, "pmu")) {
616         cms->via_config = CORE99_VIA_CONFIG_PMU;
617     } else if (!strcmp(value, "pmu-adb")) {
618         cms->via_config = CORE99_VIA_CONFIG_PMU_ADB;
619     } else {
620         error_setg(errp, "Invalid via value");
621         error_append_hint(errp, "Valid values are cuda, pmu, pmu-adb.\n");
622     }
623 }
624 
625 static void core99_instance_init(Object *obj)
626 {
627     Core99MachineState *cms = CORE99_MACHINE(obj);
628 
629     /* Default via_config is CORE99_VIA_CONFIG_CUDA */
630     cms->via_config = CORE99_VIA_CONFIG_CUDA;
631     object_property_add_str(obj, "via", core99_get_via_config,
632                             core99_set_via_config, NULL);
633     object_property_set_description(obj, "via",
634                                     "Set VIA configuration. "
635                                     "Valid values are cuda, pmu and pmu-adb",
636                                     NULL);
637 
638     return;
639 }
640 
641 static const TypeInfo core99_machine_info = {
642     .name          = MACHINE_TYPE_NAME("mac99"),
643     .parent        = TYPE_MACHINE,
644     .class_init    = core99_machine_class_init,
645     .instance_init = core99_instance_init,
646     .instance_size = sizeof(Core99MachineState),
647     .interfaces = (InterfaceInfo[]) {
648         { TYPE_FW_PATH_PROVIDER },
649         { }
650     },
651 };
652 
653 static void mac_machine_register_types(void)
654 {
655     type_register_static(&core99_machine_info);
656 }
657 
658 type_init(mac_machine_register_types)
659