xref: /openbmc/qemu/hw/ppc/mac_newworld.c (revision 15f07fb8)
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 "sysemu/sysemu.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 "sysemu/kvm.h"
72 #include "sysemu/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 (100UL * 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, 1, PPC_ELF_MACHINE, 0, 0);
186 
187         if (bios_size <= 0) {
188             /* or load binary ROM image */
189             bios_size = load_image_targphys(filename, PROM_BASE, PROM_SIZE);
190         }
191         g_free(filename);
192     }
193     if (bios_size < 0 || bios_size > PROM_SIZE) {
194         error_report("could not load PowerPC bios '%s'", bios_name);
195         exit(1);
196     }
197 
198     if (machine->kernel_filename) {
199         int bswap_needed = 0;
200 
201 #ifdef BSWAP_NEEDED
202         bswap_needed = 1;
203 #endif
204         kernel_base = KERNEL_LOAD_ADDR;
205         kernel_size = load_elf(machine->kernel_filename, NULL,
206                                translate_kernel_address, NULL, NULL, NULL,
207                                NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0);
208         if (kernel_size < 0) {
209             kernel_size = load_aout(machine->kernel_filename, kernel_base,
210                                     machine->ram_size - kernel_base,
211                                     bswap_needed, TARGET_PAGE_SIZE);
212         }
213         if (kernel_size < 0) {
214             kernel_size = load_image_targphys(machine->kernel_filename,
215                                               kernel_base,
216                                               machine->ram_size - kernel_base);
217         }
218         if (kernel_size < 0) {
219             error_report("could not load kernel '%s'",
220                          machine->kernel_filename);
221             exit(1);
222         }
223         /* load initrd */
224         if (machine->initrd_filename) {
225             initrd_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
226             initrd_size = load_image_targphys(machine->initrd_filename,
227                                               initrd_base,
228                                               machine->ram_size - initrd_base);
229             if (initrd_size < 0) {
230                 error_report("could not load initial ram disk '%s'",
231                              machine->initrd_filename);
232                 exit(1);
233             }
234             cmdline_base = TARGET_PAGE_ALIGN(initrd_base + initrd_size);
235         } else {
236             cmdline_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
237         }
238         ppc_boot_device = 'm';
239     } else {
240         ppc_boot_device = '\0';
241         /* We consider that NewWorld PowerMac never have any floppy drive
242          * For now, OHW cannot boot from the network.
243          */
244         for (i = 0; machine->boot_config.order[i] != '\0'; i++) {
245             if (machine->boot_config.order[i] >= 'c' &&
246                 machine->boot_config.order[i] <= 'f') {
247                 ppc_boot_device = machine->boot_config.order[i];
248                 break;
249             }
250         }
251         if (ppc_boot_device == '\0') {
252             error_report("No valid boot device for Mac99 machine");
253             exit(1);
254         }
255     }
256 
257     openpic_irqs = g_new0(IrqLines, machine->smp.cpus);
258     dev = DEVICE(cpu);
259     for (i = 0; i < machine->smp.cpus; i++) {
260         /* Mac99 IRQ connection between OpenPIC outputs pins
261          * and PowerPC input pins
262          */
263         switch (PPC_INPUT(env)) {
264         case PPC_FLAGS_INPUT_6xx:
265             openpic_irqs[i].irq[OPENPIC_OUTPUT_INT] =
266                 qdev_get_gpio_in(dev, PPC6xx_INPUT_INT);
267             openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
268                  qdev_get_gpio_in(dev, PPC6xx_INPUT_INT);
269             openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
270                 qdev_get_gpio_in(dev, PPC6xx_INPUT_MCP);
271             /* Not connected ? */
272             openpic_irqs[i].irq[OPENPIC_OUTPUT_DEBUG] = NULL;
273             /* Check this */
274             openpic_irqs[i].irq[OPENPIC_OUTPUT_RESET] =
275                 qdev_get_gpio_in(dev, PPC6xx_INPUT_HRESET);
276             break;
277 #if defined(TARGET_PPC64)
278         case PPC_FLAGS_INPUT_970:
279             openpic_irqs[i].irq[OPENPIC_OUTPUT_INT] =
280                 qdev_get_gpio_in(dev, PPC970_INPUT_INT);
281             openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
282                 qdev_get_gpio_in(dev, PPC970_INPUT_INT);
283             openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
284                 qdev_get_gpio_in(dev, PPC970_INPUT_MCP);
285             /* Not connected ? */
286             openpic_irqs[i].irq[OPENPIC_OUTPUT_DEBUG] = NULL;
287             /* Check this */
288             openpic_irqs[i].irq[OPENPIC_OUTPUT_RESET] =
289                 qdev_get_gpio_in(dev, PPC970_INPUT_HRESET);
290             break;
291 #endif /* defined(TARGET_PPC64) */
292         default:
293             error_report("Bus model not supported on mac99 machine");
294             exit(1);
295         }
296     }
297 
298     /* UniN init */
299     s = SYS_BUS_DEVICE(qdev_new(TYPE_UNI_NORTH));
300     sysbus_realize_and_unref(s, &error_fatal);
301     memory_region_add_subregion(get_system_memory(), 0xf8000000,
302                                 sysbus_mmio_get_region(s, 0));
303 
304     if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) {
305         machine_arch = ARCH_MAC99_U3;
306         /* 970 gets a U3 bus */
307         /* Uninorth AGP bus */
308         uninorth_pci_dev = qdev_new(TYPE_U3_AGP_HOST_BRIDGE);
309         s = SYS_BUS_DEVICE(uninorth_pci_dev);
310         sysbus_realize_and_unref(s, &error_fatal);
311         sysbus_mmio_map(s, 0, 0xf0800000);
312         sysbus_mmio_map(s, 1, 0xf0c00000);
313         /* PCI hole */
314         memory_region_add_subregion(get_system_memory(), 0x80000000,
315                                     sysbus_mmio_get_region(s, 2));
316         /* Register 8 MB of ISA IO space */
317         memory_region_add_subregion(get_system_memory(), 0xf2000000,
318                                     sysbus_mmio_get_region(s, 3));
319     } else {
320         machine_arch = ARCH_MAC99;
321         /* Use values found on a real PowerMac */
322         /* Uninorth AGP bus */
323         uninorth_agp_dev = qdev_new(TYPE_UNI_NORTH_AGP_HOST_BRIDGE);
324         s = SYS_BUS_DEVICE(uninorth_agp_dev);
325         sysbus_realize_and_unref(s, &error_fatal);
326         sysbus_mmio_map(s, 0, 0xf0800000);
327         sysbus_mmio_map(s, 1, 0xf0c00000);
328 
329         /* Uninorth internal bus */
330         uninorth_internal_dev = qdev_new(
331                                 TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE);
332         s = SYS_BUS_DEVICE(uninorth_internal_dev);
333         sysbus_realize_and_unref(s, &error_fatal);
334         sysbus_mmio_map(s, 0, 0xf4800000);
335         sysbus_mmio_map(s, 1, 0xf4c00000);
336 
337         /* Uninorth main bus - this must be last to make it the default */
338         uninorth_pci_dev = qdev_new(TYPE_UNI_NORTH_PCI_HOST_BRIDGE);
339         qdev_prop_set_uint32(uninorth_pci_dev, "ofw-addr", 0xf2000000);
340         s = SYS_BUS_DEVICE(uninorth_pci_dev);
341         sysbus_realize_and_unref(s, &error_fatal);
342         sysbus_mmio_map(s, 0, 0xf2800000);
343         sysbus_mmio_map(s, 1, 0xf2c00000);
344         /* PCI hole */
345         memory_region_add_subregion(get_system_memory(), 0x80000000,
346                                     sysbus_mmio_get_region(s, 2));
347         /* Register 8 MB of ISA IO space */
348         memory_region_add_subregion(get_system_memory(), 0xf2000000,
349                                     sysbus_mmio_get_region(s, 3));
350     }
351 
352     machine->usb |= defaults_enabled() && !machine->usb_disabled;
353     has_pmu = (core99_machine->via_config != CORE99_VIA_CONFIG_CUDA);
354     has_adb = (core99_machine->via_config == CORE99_VIA_CONFIG_CUDA ||
355                core99_machine->via_config == CORE99_VIA_CONFIG_PMU_ADB);
356 
357     /* init basic PC hardware */
358     pci_bus = PCI_HOST_BRIDGE(uninorth_pci_dev)->bus;
359 
360     /* MacIO */
361     macio = OBJECT(pci_new(-1, TYPE_NEWWORLD_MACIO));
362     dev = DEVICE(macio);
363     qdev_prop_set_uint64(dev, "frequency", tbfreq);
364     qdev_prop_set_bit(dev, "has-pmu", has_pmu);
365     qdev_prop_set_bit(dev, "has-adb", has_adb);
366 
367     dev = DEVICE(object_resolve_path_component(macio, "escc"));
368     qdev_prop_set_chr(dev, "chrA", serial_hd(0));
369     qdev_prop_set_chr(dev, "chrB", serial_hd(1));
370 
371     pci_realize_and_unref(PCI_DEVICE(macio), pci_bus, &error_fatal);
372 
373     pic_dev = DEVICE(object_resolve_path_component(macio, "pic"));
374     for (i = 0; i < 4; i++) {
375         qdev_connect_gpio_out(uninorth_pci_dev, i,
376                               qdev_get_gpio_in(pic_dev, 0x1b + i));
377     }
378 
379     /* TODO: additional PCI buses only wired up for 32-bit machines */
380     if (PPC_INPUT(env) != PPC_FLAGS_INPUT_970) {
381         /* Uninorth AGP bus */
382         for (i = 0; i < 4; i++) {
383             qdev_connect_gpio_out(uninorth_agp_dev, i,
384                                   qdev_get_gpio_in(pic_dev, 0x1b + i));
385         }
386 
387         /* Uninorth internal bus */
388         for (i = 0; i < 4; i++) {
389             qdev_connect_gpio_out(uninorth_internal_dev, i,
390                                   qdev_get_gpio_in(pic_dev, 0x1b + i));
391         }
392     }
393 
394     /* OpenPIC */
395     s = SYS_BUS_DEVICE(pic_dev);
396     k = 0;
397     for (i = 0; i < machine->smp.cpus; i++) {
398         for (j = 0; j < OPENPIC_OUTPUT_NB; j++) {
399             sysbus_connect_irq(s, k++, openpic_irqs[i].irq[j]);
400         }
401     }
402     g_free(openpic_irqs);
403 
404     /* We only emulate 2 out of 3 IDE controllers for now */
405     ide_drive_get(hd, ARRAY_SIZE(hd));
406 
407     macio_ide = MACIO_IDE(object_resolve_path_component(macio, "ide[0]"));
408     macio_ide_init_drives(macio_ide, hd);
409 
410     macio_ide = MACIO_IDE(object_resolve_path_component(macio, "ide[1]"));
411     macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]);
412 
413     if (has_adb) {
414         if (has_pmu) {
415             dev = DEVICE(object_resolve_path_component(macio, "pmu"));
416         } else {
417             dev = DEVICE(object_resolve_path_component(macio, "cuda"));
418         }
419 
420         adb_bus = qdev_get_child_bus(dev, "adb.0");
421         dev = qdev_new(TYPE_ADB_KEYBOARD);
422         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
423 
424         dev = qdev_new(TYPE_ADB_MOUSE);
425         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
426     }
427 
428     if (machine->usb) {
429         pci_create_simple(pci_bus, -1, "pci-ohci");
430 
431         /* U3 needs to use USB for input because Linux doesn't support via-cuda
432         on PPC64 */
433         if (!has_adb || machine_arch == ARCH_MAC99_U3) {
434             USBBus *usb_bus;
435 
436             usb_bus = USB_BUS(object_resolve_type_unambiguous(TYPE_USB_BUS,
437                                                               &error_abort));
438             usb_create_simple(usb_bus, "usb-kbd");
439             usb_create_simple(usb_bus, "usb-mouse");
440         }
441     }
442 
443     pci_vga_init(pci_bus);
444 
445     if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8) {
446         graphic_depth = 15;
447     }
448 
449     pci_init_nic_devices(pci_bus, mc->default_nic);
450 
451     /* The NewWorld NVRAM is not located in the MacIO device */
452     if (kvm_enabled() && qemu_real_host_page_size() > 4096) {
453         /* We can't combine read-write and read-only in a single page, so
454            move the NVRAM out of ROM again for KVM */
455         nvram_addr = 0xFFE00000;
456     }
457     dev = qdev_new(TYPE_MACIO_NVRAM);
458     qdev_prop_set_uint32(dev, "size", MACIO_NVRAM_SIZE);
459     qdev_prop_set_uint32(dev, "it_shift", 1);
460     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
461     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, nvram_addr);
462     nvr = MACIO_NVRAM(dev);
463     pmac_format_nvram_partition(nvr, MACIO_NVRAM_SIZE);
464     /* No PCI init: the BIOS will do it */
465 
466     dev = qdev_new(TYPE_FW_CFG_MEM);
467     fw_cfg = FW_CFG(dev);
468     qdev_prop_set_uint32(dev, "data_width", 1);
469     qdev_prop_set_bit(dev, "dma_enabled", false);
470     object_property_add_child(OBJECT(machine), TYPE_FW_CFG, OBJECT(fw_cfg));
471     s = SYS_BUS_DEVICE(dev);
472     sysbus_realize_and_unref(s, &error_fatal);
473     sysbus_mmio_map(s, 0, CFG_ADDR);
474     sysbus_mmio_map(s, 1, CFG_ADDR + 2);
475 
476     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)machine->smp.cpus);
477     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)machine->smp.max_cpus);
478     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)machine->ram_size);
479     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, machine_arch);
480     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
481     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
482     if (machine->kernel_cmdline) {
483         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
484         pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE,
485                          machine->kernel_cmdline);
486     } else {
487         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
488     }
489     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
490     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
491     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
492 
493     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
494     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
495     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
496 
497     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_VIACONFIG, core99_machine->via_config);
498 
499     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
500     if (kvm_enabled()) {
501         uint8_t *hypercall;
502 
503         hypercall = g_malloc(16);
504         kvmppc_get_hypercall(env, hypercall, 16);
505         fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
506         fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
507     }
508     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq);
509     /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
510     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ);
511     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ);
512     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_NVRAM_ADDR, nvram_addr);
513 
514     /* MacOS NDRV VGA driver */
515     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, NDRV_VGA_FILENAME);
516     if (filename) {
517         gchar *ndrv_file;
518         gsize ndrv_size;
519 
520         if (g_file_get_contents(filename, &ndrv_file, &ndrv_size, NULL)) {
521             fw_cfg_add_file(fw_cfg, "ndrv/qemu_vga.ndrv", ndrv_file, ndrv_size);
522         }
523         g_free(filename);
524     }
525 
526     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
527 }
528 
529 /*
530  * Implementation of an interface to adjust firmware path
531  * for the bootindex property handling.
532  */
533 static char *core99_fw_dev_path(FWPathProvider *p, BusState *bus,
534                                 DeviceState *dev)
535 {
536     PCIDevice *pci;
537     MACIOIDEState *macio_ide;
538 
539     if (!strcmp(object_get_typename(OBJECT(dev)), "macio-newworld")) {
540         pci = PCI_DEVICE(dev);
541         return g_strdup_printf("mac-io@%x", PCI_SLOT(pci->devfn));
542     }
543 
544     if (!strcmp(object_get_typename(OBJECT(dev)), "macio-ide")) {
545         macio_ide = MACIO_IDE(dev);
546         return g_strdup_printf("ata-3@%x", macio_ide->addr);
547     }
548 
549     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-hd")) {
550         return g_strdup("disk");
551     }
552 
553     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
554         return g_strdup("cdrom");
555     }
556 
557     if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
558         return g_strdup("disk");
559     }
560 
561     return NULL;
562 }
563 static int core99_kvm_type(MachineState *machine, const char *arg)
564 {
565     /* Always force PR KVM */
566     return 2;
567 }
568 
569 static void core99_machine_class_init(ObjectClass *oc, void *data)
570 {
571     MachineClass *mc = MACHINE_CLASS(oc);
572     FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
573 
574     mc->desc = "Mac99 based PowerMAC";
575     mc->init = ppc_core99_init;
576     mc->block_default_type = IF_IDE;
577     /* SMP is not supported currently */
578     mc->max_cpus = 1;
579     mc->default_boot_order = "cd";
580     mc->default_display = "std";
581     mc->default_nic = "sungem";
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->default_ram_id = "ppc_core99.ram";
589     mc->ignore_boot_device_suffixes = true;
590     fwc->get_dev_path = core99_fw_dev_path;
591 }
592 
593 static char *core99_get_via_config(Object *obj, Error **errp)
594 {
595     Core99MachineState *cms = CORE99_MACHINE(obj);
596 
597     switch (cms->via_config) {
598     default:
599     case CORE99_VIA_CONFIG_CUDA:
600         return g_strdup("cuda");
601 
602     case CORE99_VIA_CONFIG_PMU:
603         return g_strdup("pmu");
604 
605     case CORE99_VIA_CONFIG_PMU_ADB:
606         return g_strdup("pmu-adb");
607     }
608 }
609 
610 static void core99_set_via_config(Object *obj, const char *value, Error **errp)
611 {
612     Core99MachineState *cms = CORE99_MACHINE(obj);
613 
614     if (!strcmp(value, "cuda")) {
615         cms->via_config = CORE99_VIA_CONFIG_CUDA;
616     } else if (!strcmp(value, "pmu")) {
617         cms->via_config = CORE99_VIA_CONFIG_PMU;
618     } else if (!strcmp(value, "pmu-adb")) {
619         cms->via_config = CORE99_VIA_CONFIG_PMU_ADB;
620     } else {
621         error_setg(errp, "Invalid via value");
622         error_append_hint(errp, "Valid values are cuda, pmu, pmu-adb.\n");
623     }
624 }
625 
626 static void core99_instance_init(Object *obj)
627 {
628     Core99MachineState *cms = CORE99_MACHINE(obj);
629 
630     /* Default via_config is CORE99_VIA_CONFIG_CUDA */
631     cms->via_config = CORE99_VIA_CONFIG_CUDA;
632     object_property_add_str(obj, "via", core99_get_via_config,
633                             core99_set_via_config);
634     object_property_set_description(obj, "via",
635                                     "Set VIA configuration. "
636                                     "Valid values are cuda, pmu and pmu-adb");
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