xref: /qemu/hw/ppc/mac_newworld.c (revision 70ce076fa6dff60585c229a4b641b13e64bf03cf)
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/datadir.h"
51 #include "qemu/units.h"
52 #include "qapi/error.h"
53 #include "hw/ppc/ppc.h"
54 #include "hw/qdev-properties.h"
55 #include "hw/nvram/mac_nvram.h"
56 #include "hw/boards.h"
57 #include "hw/pci-host/uninorth.h"
58 #include "hw/input/adb.h"
59 #include "hw/ppc/mac_dbdma.h"
60 #include "hw/pci/pci.h"
61 #include "net/net.h"
62 #include "system/system.h"
63 #include "hw/nvram/fw_cfg.h"
64 #include "hw/char/escc.h"
65 #include "hw/misc/macio/macio.h"
66 #include "hw/ppc/openpic.h"
67 #include "hw/loader.h"
68 #include "hw/fw-path-provider.h"
69 #include "elf.h"
70 #include "qemu/error-report.h"
71 #include "system/kvm.h"
72 #include "system/reset.h"
73 #include "kvm_ppc.h"
74 #include "hw/usb.h"
75 #include "hw/sysbus.h"
76 #include "trace.h"
77 
78 #define MAX_IDE_BUS 2
79 #define CFG_ADDR 0xf0000510
80 #define TBFREQ (25UL * 1000UL * 1000UL)
81 #define CLOCKFREQ (900UL * 1000UL * 1000UL)
82 #define BUSFREQ (100UL * 1000UL * 1000UL)
83 
84 #define NDRV_VGA_FILENAME "qemu_vga.ndrv"
85 
86 #define PROM_FILENAME "openbios-ppc"
87 #define PROM_BASE 0xfff00000
88 #define PROM_SIZE (1 * MiB)
89 
90 #define KERNEL_LOAD_ADDR 0x01000000
91 #define KERNEL_GAP       0x00100000
92 
93 #define TYPE_CORE99_MACHINE MACHINE_TYPE_NAME("mac99")
94 typedef struct Core99MachineState Core99MachineState;
95 DECLARE_INSTANCE_CHECKER(Core99MachineState, CORE99_MACHINE,
96                          TYPE_CORE99_MACHINE)
97 
98 typedef enum {
99     CORE99_VIA_CONFIG_CUDA = 0,
100     CORE99_VIA_CONFIG_PMU,
101     CORE99_VIA_CONFIG_PMU_ADB
102 } Core99ViaConfig;
103 
104 struct Core99MachineState {
105     /*< private >*/
106     MachineState parent;
107 
108     Core99ViaConfig via_config;
109 };
110 
111 static void fw_cfg_boot_set(void *opaque, const char *boot_device,
112                             Error **errp)
113 {
114     fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
115 }
116 
117 static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
118 {
119     return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR;
120 }
121 
122 static void ppc_core99_reset(void *opaque)
123 {
124     PowerPCCPU *cpu = opaque;
125 
126     cpu_reset(CPU(cpu));
127     /* 970 CPUs want to get their initial IP as part of their boot protocol */
128     cpu->env.nip = PROM_BASE + 0x100;
129 }
130 
131 /* PowerPC Mac99 hardware initialisation */
132 static void ppc_core99_init(MachineState *machine)
133 {
134     Core99MachineState *core99_machine = CORE99_MACHINE(machine);
135     MachineClass *mc = MACHINE_GET_CLASS(machine);
136     PowerPCCPU *cpu = NULL;
137     CPUPPCState *env = NULL;
138     char *filename;
139     IrqLines *openpic_irqs;
140     int i, j, k, ppc_boot_device, machine_arch, bios_size = -1;
141     const char *bios_name = machine->firmware ?: PROM_FILENAME;
142     MemoryRegion *bios = g_new(MemoryRegion, 1);
143     hwaddr kernel_base = 0, initrd_base = 0, cmdline_base = 0;
144     long kernel_size = 0, initrd_size = 0;
145     PCIBus *pci_bus;
146     bool has_pmu, has_adb;
147     Object *macio;
148     MACIOIDEState *macio_ide;
149     BusState *adb_bus;
150     MacIONVRAMState *nvr;
151     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
152     void *fw_cfg;
153     SysBusDevice *s;
154     DeviceState *dev, *pic_dev, *uninorth_pci_dev;
155     DeviceState *uninorth_internal_dev = NULL, *uninorth_agp_dev = NULL;
156     hwaddr nvram_addr = 0xFFF04000;
157     uint64_t tbfreq = kvm_enabled() ? kvmppc_get_tbfreq() : TBFREQ;
158 
159     /* init CPUs */
160     for (i = 0; i < machine->smp.cpus; i++) {
161         cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
162         env = &cpu->env;
163 
164         /* Set time-base frequency to 100 Mhz */
165         cpu_ppc_tb_init(env, TBFREQ);
166         qemu_register_reset(ppc_core99_reset, cpu);
167     }
168 
169     /* allocate RAM */
170     if (machine->ram_size > 2 * GiB) {
171         error_report("RAM size more than 2 GiB is not supported");
172         exit(1);
173     }
174     memory_region_add_subregion(get_system_memory(), 0, machine->ram);
175 
176     /* allocate and load firmware ROM */
177     memory_region_init_rom(bios, NULL, "ppc_core99.bios", PROM_SIZE,
178                            &error_fatal);
179     memory_region_add_subregion(get_system_memory(), PROM_BASE, bios);
180 
181     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
182     if (filename) {
183         /* Load OpenBIOS (ELF) */
184         bios_size = load_elf(filename, NULL, NULL, NULL, NULL,
185                              NULL, NULL, NULL,
186                              ELFDATA2MSB, PPC_ELF_MACHINE, 0, 0);
187 
188         if (bios_size <= 0) {
189             /* or load binary ROM image */
190             bios_size = load_image_targphys(filename, PROM_BASE, PROM_SIZE);
191         }
192         g_free(filename);
193     }
194     if (bios_size < 0 || bios_size > PROM_SIZE) {
195         error_report("could not load PowerPC bios '%s'", bios_name);
196         exit(1);
197     }
198 
199     if (machine->kernel_filename) {
200         int bswap_needed = 0;
201 
202 #ifdef BSWAP_NEEDED
203         bswap_needed = 1;
204 #endif
205         kernel_base = KERNEL_LOAD_ADDR;
206         kernel_size = load_elf(machine->kernel_filename, NULL,
207                                translate_kernel_address, NULL, NULL, NULL,
208                                NULL, NULL, ELFDATA2MSB, PPC_ELF_MACHINE, 0, 0);
209         if (kernel_size < 0) {
210             kernel_size = load_aout(machine->kernel_filename, kernel_base,
211                                     machine->ram_size - kernel_base,
212                                     bswap_needed, TARGET_PAGE_SIZE);
213         }
214         if (kernel_size < 0) {
215             kernel_size = load_image_targphys(machine->kernel_filename,
216                                               kernel_base,
217                                               machine->ram_size - kernel_base);
218         }
219         if (kernel_size < 0) {
220             error_report("could not load kernel '%s'",
221                          machine->kernel_filename);
222             exit(1);
223         }
224         /* load initrd */
225         if (machine->initrd_filename) {
226             initrd_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
227             initrd_size = load_image_targphys(machine->initrd_filename,
228                                               initrd_base,
229                                               machine->ram_size - initrd_base);
230             if (initrd_size < 0) {
231                 error_report("could not load initial ram disk '%s'",
232                              machine->initrd_filename);
233                 exit(1);
234             }
235             cmdline_base = TARGET_PAGE_ALIGN(initrd_base + initrd_size);
236         } else {
237             cmdline_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
238         }
239         ppc_boot_device = 'm';
240     } else {
241         ppc_boot_device = '\0';
242         /* We consider that NewWorld PowerMac never have any floppy drive
243          * For now, OHW cannot boot from the network.
244          */
245         for (i = 0; machine->boot_config.order[i] != '\0'; i++) {
246             if (machine->boot_config.order[i] >= 'c' &&
247                 machine->boot_config.order[i] <= 'f') {
248                 ppc_boot_device = machine->boot_config.order[i];
249                 break;
250             }
251         }
252         if (ppc_boot_device == '\0') {
253             error_report("No valid boot device for Mac99 machine");
254             exit(1);
255         }
256     }
257 
258     openpic_irqs = g_new0(IrqLines, machine->smp.cpus);
259     dev = DEVICE(cpu);
260     for (i = 0; i < machine->smp.cpus; i++) {
261         /* Mac99 IRQ connection between OpenPIC outputs pins
262          * and PowerPC input pins
263          */
264         switch (PPC_INPUT(env)) {
265         case PPC_FLAGS_INPUT_6xx:
266             openpic_irqs[i].irq[OPENPIC_OUTPUT_INT] =
267                 qdev_get_gpio_in(dev, PPC6xx_INPUT_INT);
268             openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
269                  qdev_get_gpio_in(dev, PPC6xx_INPUT_INT);
270             openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
271                 qdev_get_gpio_in(dev, PPC6xx_INPUT_MCP);
272             /* Not connected ? */
273             openpic_irqs[i].irq[OPENPIC_OUTPUT_DEBUG] = NULL;
274             /* Check this */
275             openpic_irqs[i].irq[OPENPIC_OUTPUT_RESET] =
276                 qdev_get_gpio_in(dev, PPC6xx_INPUT_HRESET);
277             break;
278 #if defined(TARGET_PPC64)
279         case PPC_FLAGS_INPUT_970:
280             openpic_irqs[i].irq[OPENPIC_OUTPUT_INT] =
281                 qdev_get_gpio_in(dev, PPC970_INPUT_INT);
282             openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
283                 qdev_get_gpio_in(dev, PPC970_INPUT_INT);
284             openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
285                 qdev_get_gpio_in(dev, PPC970_INPUT_MCP);
286             /* Not connected ? */
287             openpic_irqs[i].irq[OPENPIC_OUTPUT_DEBUG] = NULL;
288             /* Check this */
289             openpic_irqs[i].irq[OPENPIC_OUTPUT_RESET] =
290                 qdev_get_gpio_in(dev, PPC970_INPUT_HRESET);
291             break;
292 #endif /* defined(TARGET_PPC64) */
293         default:
294             error_report("Bus model not supported on mac99 machine");
295             exit(1);
296         }
297     }
298 
299     /* UniN init */
300     s = SYS_BUS_DEVICE(qdev_new(TYPE_UNI_NORTH));
301     sysbus_realize_and_unref(s, &error_fatal);
302     memory_region_add_subregion(get_system_memory(), 0xf8000000,
303                                 sysbus_mmio_get_region(s, 0));
304 
305     if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) {
306         machine_arch = ARCH_MAC99_U3;
307         /* 970 gets a U3 bus */
308         /* Uninorth AGP bus */
309         uninorth_pci_dev = qdev_new(TYPE_U3_AGP_HOST_BRIDGE);
310         s = SYS_BUS_DEVICE(uninorth_pci_dev);
311         sysbus_realize_and_unref(s, &error_fatal);
312         sysbus_mmio_map(s, 0, 0xf0800000);
313         sysbus_mmio_map(s, 1, 0xf0c00000);
314         /* PCI hole */
315         memory_region_add_subregion(get_system_memory(), 0x80000000,
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     } else {
321         machine_arch = ARCH_MAC99;
322         /* Use values found on a real PowerMac */
323         /* Uninorth AGP bus */
324         uninorth_agp_dev = qdev_new(TYPE_UNI_NORTH_AGP_HOST_BRIDGE);
325         s = SYS_BUS_DEVICE(uninorth_agp_dev);
326         sysbus_realize_and_unref(s, &error_fatal);
327         sysbus_mmio_map(s, 0, 0xf0800000);
328         sysbus_mmio_map(s, 1, 0xf0c00000);
329 
330         /* Uninorth internal bus */
331         uninorth_internal_dev = qdev_new(
332                                 TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE);
333         s = SYS_BUS_DEVICE(uninorth_internal_dev);
334         sysbus_realize_and_unref(s, &error_fatal);
335         sysbus_mmio_map(s, 0, 0xf4800000);
336         sysbus_mmio_map(s, 1, 0xf4c00000);
337 
338         /* Uninorth main bus - this must be last to make it the default */
339         uninorth_pci_dev = qdev_new(TYPE_UNI_NORTH_PCI_HOST_BRIDGE);
340         qdev_prop_set_uint32(uninorth_pci_dev, "ofw-addr", 0xf2000000);
341         s = SYS_BUS_DEVICE(uninorth_pci_dev);
342         sysbus_realize_and_unref(s, &error_fatal);
343         sysbus_mmio_map(s, 0, 0xf2800000);
344         sysbus_mmio_map(s, 1, 0xf2c00000);
345         /* PCI hole */
346         memory_region_add_subregion(get_system_memory(), 0x80000000,
347                                     sysbus_mmio_get_region(s, 2));
348         /* Register 8 MB of ISA IO space */
349         memory_region_add_subregion(get_system_memory(), 0xf2000000,
350                                     sysbus_mmio_get_region(s, 3));
351     }
352 
353     machine->usb |= defaults_enabled() && !machine->usb_disabled;
354     has_pmu = (core99_machine->via_config != CORE99_VIA_CONFIG_CUDA);
355     has_adb = (core99_machine->via_config == CORE99_VIA_CONFIG_CUDA ||
356                core99_machine->via_config == CORE99_VIA_CONFIG_PMU_ADB);
357 
358     /* init basic PC hardware */
359     pci_bus = PCI_HOST_BRIDGE(uninorth_pci_dev)->bus;
360 
361     /* MacIO */
362     macio = OBJECT(pci_new(-1, TYPE_NEWWORLD_MACIO));
363     dev = DEVICE(macio);
364     qdev_prop_set_uint64(dev, "frequency", tbfreq);
365     qdev_prop_set_bit(dev, "has-pmu", has_pmu);
366     qdev_prop_set_bit(dev, "has-adb", has_adb);
367 
368     dev = DEVICE(object_resolve_path_component(macio, "escc"));
369     qdev_prop_set_chr(dev, "chrA", serial_hd(0));
370     qdev_prop_set_chr(dev, "chrB", serial_hd(1));
371 
372     pci_realize_and_unref(PCI_DEVICE(macio), pci_bus, &error_fatal);
373 
374     pic_dev = DEVICE(object_resolve_path_component(macio, "pic"));
375     for (i = 0; i < 4; i++) {
376         qdev_connect_gpio_out(uninorth_pci_dev, i,
377                               qdev_get_gpio_in(pic_dev, 0x1b + i));
378     }
379 
380     /* TODO: additional PCI buses only wired up for 32-bit machines */
381     if (PPC_INPUT(env) != PPC_FLAGS_INPUT_970) {
382         /* Uninorth AGP bus */
383         for (i = 0; i < 4; i++) {
384             qdev_connect_gpio_out(uninorth_agp_dev, i,
385                                   qdev_get_gpio_in(pic_dev, 0x1b + i));
386         }
387 
388         /* Uninorth internal bus */
389         for (i = 0; i < 4; i++) {
390             qdev_connect_gpio_out(uninorth_internal_dev, i,
391                                   qdev_get_gpio_in(pic_dev, 0x1b + i));
392         }
393     }
394 
395     /* OpenPIC */
396     s = SYS_BUS_DEVICE(pic_dev);
397     k = 0;
398     for (i = 0; i < machine->smp.cpus; i++) {
399         for (j = 0; j < OPENPIC_OUTPUT_NB; j++) {
400             sysbus_connect_irq(s, k++, openpic_irqs[i].irq[j]);
401         }
402     }
403     g_free(openpic_irqs);
404 
405     /* We only emulate 2 out of 3 IDE controllers for now */
406     ide_drive_get(hd, ARRAY_SIZE(hd));
407 
408     macio_ide = MACIO_IDE(object_resolve_path_component(macio, "ide[0]"));
409     macio_ide_init_drives(macio_ide, hd);
410 
411     macio_ide = MACIO_IDE(object_resolve_path_component(macio, "ide[1]"));
412     macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]);
413 
414     if (has_adb) {
415         if (has_pmu) {
416             dev = DEVICE(object_resolve_path_component(macio, "pmu"));
417         } else {
418             dev = DEVICE(object_resolve_path_component(macio, "cuda"));
419         }
420 
421         adb_bus = qdev_get_child_bus(dev, "adb.0");
422         dev = qdev_new(TYPE_ADB_KEYBOARD);
423         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
424 
425         dev = qdev_new(TYPE_ADB_MOUSE);
426         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
427     }
428 
429     if (machine->usb) {
430         pci_create_simple(pci_bus, -1, "pci-ohci");
431 
432         /* U3 needs to use USB for input because Linux doesn't support via-cuda
433         on PPC64 */
434         if (!has_adb || machine_arch == ARCH_MAC99_U3) {
435             USBBus *usb_bus;
436 
437             usb_bus = USB_BUS(object_resolve_type_unambiguous(TYPE_USB_BUS,
438                                                               &error_abort));
439             usb_create_simple(usb_bus, "usb-kbd");
440             usb_create_simple(usb_bus, "usb-mouse");
441         }
442     }
443 
444     pci_vga_init(pci_bus);
445 
446     if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8) {
447         graphic_depth = 15;
448     }
449 
450     pci_init_nic_devices(pci_bus, mc->default_nic);
451 
452     /* The NewWorld NVRAM is not located in the MacIO device */
453     if (kvm_enabled() && qemu_real_host_page_size() > 4096) {
454         /* We can't combine read-write and read-only in a single page, so
455            move the NVRAM out of ROM again for KVM */
456         nvram_addr = 0xFFE00000;
457     }
458     dev = qdev_new(TYPE_MACIO_NVRAM);
459     qdev_prop_set_uint32(dev, "size", MACIO_NVRAM_SIZE);
460     qdev_prop_set_uint32(dev, "it_shift", 1);
461     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
462     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, nvram_addr);
463     nvr = MACIO_NVRAM(dev);
464     pmac_format_nvram_partition(nvr, MACIO_NVRAM_SIZE);
465     /* No PCI init: the BIOS will do it */
466 
467     dev = qdev_new(TYPE_FW_CFG_MEM);
468     fw_cfg = FW_CFG(dev);
469     qdev_prop_set_uint32(dev, "data_width", 1);
470     qdev_prop_set_bit(dev, "dma_enabled", false);
471     object_property_add_child(OBJECT(machine), TYPE_FW_CFG, OBJECT(fw_cfg));
472     s = SYS_BUS_DEVICE(dev);
473     sysbus_realize_and_unref(s, &error_fatal);
474     sysbus_mmio_map(s, 0, CFG_ADDR);
475     sysbus_mmio_map(s, 1, CFG_ADDR + 2);
476 
477     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)machine->smp.cpus);
478     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)machine->smp.max_cpus);
479     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)machine->ram_size);
480     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, machine_arch);
481     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
482     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
483     if (machine->kernel_cmdline) {
484         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
485         pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE,
486                          machine->kernel_cmdline);
487     } else {
488         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
489     }
490     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
491     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
492     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
493 
494     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
495     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
496     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
497 
498     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_VIACONFIG, core99_machine->via_config);
499 
500     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
501     if (kvm_enabled()) {
502         uint8_t *hypercall;
503 
504         hypercall = g_malloc(16);
505         kvmppc_get_hypercall(env, hypercall, 16);
506         fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
507         fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
508     }
509     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq);
510     /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
511     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ);
512     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ);
513     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_NVRAM_ADDR, nvram_addr);
514 
515     /* MacOS NDRV VGA driver */
516     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, NDRV_VGA_FILENAME);
517     if (filename) {
518         gchar *ndrv_file;
519         gsize ndrv_size;
520 
521         if (g_file_get_contents(filename, &ndrv_file, &ndrv_size, NULL)) {
522             fw_cfg_add_file(fw_cfg, "ndrv/qemu_vga.ndrv", ndrv_file, ndrv_size);
523         }
524         g_free(filename);
525     }
526 
527     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
528 }
529 
530 /*
531  * Implementation of an interface to adjust firmware path
532  * for the bootindex property handling.
533  */
534 static char *core99_fw_dev_path(FWPathProvider *p, BusState *bus,
535                                 DeviceState *dev)
536 {
537     PCIDevice *pci;
538     MACIOIDEState *macio_ide;
539 
540     if (!strcmp(object_get_typename(OBJECT(dev)), "macio-newworld")) {
541         pci = PCI_DEVICE(dev);
542         return g_strdup_printf("mac-io@%x", PCI_SLOT(pci->devfn));
543     }
544 
545     if (!strcmp(object_get_typename(OBJECT(dev)), "macio-ide")) {
546         macio_ide = MACIO_IDE(dev);
547         return g_strdup_printf("ata-3@%x", macio_ide->addr);
548     }
549 
550     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-hd")) {
551         return g_strdup("disk");
552     }
553 
554     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
555         return g_strdup("cdrom");
556     }
557 
558     if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
559         return g_strdup("disk");
560     }
561 
562     return NULL;
563 }
564 static int core99_kvm_type(MachineState *machine, const char *arg)
565 {
566     /* Always force PR KVM */
567     return 2;
568 }
569 
570 static void core99_machine_class_init(ObjectClass *oc, void *data)
571 {
572     MachineClass *mc = MACHINE_CLASS(oc);
573     FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
574 
575     mc->desc = "Mac99 based PowerMac";
576     mc->init = ppc_core99_init;
577     mc->block_default_type = IF_IDE;
578     /* SMP is not supported currently */
579     mc->max_cpus = 1;
580     mc->default_boot_order = "cd";
581     mc->default_display = "std";
582     mc->default_nic = "sungem";
583     mc->kvm_type = core99_kvm_type;
584 #ifdef TARGET_PPC64
585     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("970fx_v3.1");
586 #else
587     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("7400_v2.9");
588 #endif
589     mc->default_ram_id = "ppc_core99.ram";
590     mc->ignore_boot_device_suffixes = true;
591     fwc->get_dev_path = core99_fw_dev_path;
592 }
593 
594 static char *core99_get_via_config(Object *obj, Error **errp)
595 {
596     Core99MachineState *cms = CORE99_MACHINE(obj);
597 
598     switch (cms->via_config) {
599     default:
600     case CORE99_VIA_CONFIG_CUDA:
601         return g_strdup("cuda");
602 
603     case CORE99_VIA_CONFIG_PMU:
604         return g_strdup("pmu");
605 
606     case CORE99_VIA_CONFIG_PMU_ADB:
607         return g_strdup("pmu-adb");
608     }
609 }
610 
611 static void core99_set_via_config(Object *obj, const char *value, Error **errp)
612 {
613     Core99MachineState *cms = CORE99_MACHINE(obj);
614 
615     if (!strcmp(value, "cuda")) {
616         cms->via_config = CORE99_VIA_CONFIG_CUDA;
617     } else if (!strcmp(value, "pmu")) {
618         cms->via_config = CORE99_VIA_CONFIG_PMU;
619     } else if (!strcmp(value, "pmu-adb")) {
620         cms->via_config = CORE99_VIA_CONFIG_PMU_ADB;
621     } else {
622         error_setg(errp, "Invalid via value");
623         error_append_hint(errp, "Valid values are cuda, pmu, pmu-adb.\n");
624     }
625 }
626 
627 static void core99_instance_init(Object *obj)
628 {
629     Core99MachineState *cms = CORE99_MACHINE(obj);
630 
631     /* Default via_config is CORE99_VIA_CONFIG_CUDA */
632     cms->via_config = CORE99_VIA_CONFIG_CUDA;
633     object_property_add_str(obj, "via", core99_get_via_config,
634                             core99_set_via_config);
635     object_property_set_description(obj, "via",
636                                     "Set VIA configuration. "
637                                     "Valid values are cuda, pmu and pmu-adb");
638 
639     return;
640 }
641 
642 static const TypeInfo core99_machine_info = {
643     .name          = MACHINE_TYPE_NAME("mac99"),
644     .parent        = TYPE_MACHINE,
645     .class_init    = core99_machine_class_init,
646     .instance_init = core99_instance_init,
647     .instance_size = sizeof(Core99MachineState),
648     .interfaces = (InterfaceInfo[]) {
649         { TYPE_FW_PATH_PROVIDER },
650         { }
651     },
652 };
653 
654 static void mac_machine_register_types(void)
655 {
656     type_register_static(&core99_machine_info);
657 }
658 
659 type_init(mac_machine_register_types)
660