xref: /openbmc/qemu/hw/ppc/mac_newworld.c (revision 740b1759)
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/ppc/ppc.h"
53 #include "hw/qdev-properties.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/loader.h"
66 #include "hw/fw-path-provider.h"
67 #include "elf.h"
68 #include "qemu/error-report.h"
69 #include "sysemu/kvm.h"
70 #include "sysemu/reset.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 *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     PCIDevice *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_add_subregion(get_system_memory(), 0, machine->ram);
155 
156     /* allocate and load BIOS */
157     memory_region_init_rom(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_add_subregion(get_system_memory(), PROM_ADDR, bios);
164 
165     /* Load OpenBIOS (ELF) */
166     if (filename) {
167         bios_size = load_elf(filename, NULL, NULL, NULL, NULL,
168                              NULL, NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0);
169 
170         g_free(filename);
171     } else {
172         bios_size = -1;
173     }
174     if (bios_size < 0 || bios_size > BIOS_SIZE) {
175         error_report("could not load PowerPC bios '%s'", bios_name);
176         exit(1);
177     }
178 
179     if (linux_boot) {
180         int bswap_needed;
181 
182 #ifdef BSWAP_NEEDED
183         bswap_needed = 1;
184 #else
185         bswap_needed = 0;
186 #endif
187         kernel_base = KERNEL_LOAD_ADDR;
188 
189         kernel_size = load_elf(kernel_filename, NULL,
190                                translate_kernel_address, NULL, NULL, NULL,
191                                NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0);
192         if (kernel_size < 0)
193             kernel_size = load_aout(kernel_filename, kernel_base,
194                                     ram_size - kernel_base, bswap_needed,
195                                     TARGET_PAGE_SIZE);
196         if (kernel_size < 0)
197             kernel_size = load_image_targphys(kernel_filename,
198                                               kernel_base,
199                                               ram_size - kernel_base);
200         if (kernel_size < 0) {
201             error_report("could not load kernel '%s'", kernel_filename);
202             exit(1);
203         }
204         /* load initrd */
205         if (initrd_filename) {
206             initrd_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
207             initrd_size = load_image_targphys(initrd_filename, initrd_base,
208                                               ram_size - initrd_base);
209             if (initrd_size < 0) {
210                 error_report("could not load initial ram disk '%s'",
211                              initrd_filename);
212                 exit(1);
213             }
214             cmdline_base = TARGET_PAGE_ALIGN(initrd_base + initrd_size);
215         } else {
216             initrd_base = 0;
217             initrd_size = 0;
218             cmdline_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
219         }
220         ppc_boot_device = 'm';
221     } else {
222         kernel_base = 0;
223         kernel_size = 0;
224         initrd_base = 0;
225         initrd_size = 0;
226         ppc_boot_device = '\0';
227         /* We consider that NewWorld PowerMac never have any floppy drive
228          * For now, OHW cannot boot from the network.
229          */
230         for (i = 0; boot_device[i] != '\0'; i++) {
231             if (boot_device[i] >= 'c' && boot_device[i] <= 'f') {
232                 ppc_boot_device = boot_device[i];
233                 break;
234             }
235         }
236         if (ppc_boot_device == '\0') {
237             error_report("No valid boot device for Mac99 machine");
238             exit(1);
239         }
240     }
241 
242     /* UniN init */
243     dev = qdev_new(TYPE_UNI_NORTH);
244     s = SYS_BUS_DEVICE(dev);
245     sysbus_realize_and_unref(s, &error_fatal);
246     memory_region_add_subregion(get_system_memory(), 0xf8000000,
247                                 sysbus_mmio_get_region(s, 0));
248 
249     openpic_irqs = g_new0(IrqLines, smp_cpus);
250     for (i = 0; i < smp_cpus; i++) {
251         /* Mac99 IRQ connection between OpenPIC outputs pins
252          * and PowerPC input pins
253          */
254         switch (PPC_INPUT(env)) {
255         case PPC_FLAGS_INPUT_6xx:
256             openpic_irqs[i].irq[OPENPIC_OUTPUT_INT] =
257                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
258             openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
259                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
260             openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
261                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP];
262             /* Not connected ? */
263             openpic_irqs[i].irq[OPENPIC_OUTPUT_DEBUG] = NULL;
264             /* Check this */
265             openpic_irqs[i].irq[OPENPIC_OUTPUT_RESET] =
266                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET];
267             break;
268 #if defined(TARGET_PPC64)
269         case PPC_FLAGS_INPUT_970:
270             openpic_irqs[i].irq[OPENPIC_OUTPUT_INT] =
271                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
272             openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
273                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
274             openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
275                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP];
276             /* Not connected ? */
277             openpic_irqs[i].irq[OPENPIC_OUTPUT_DEBUG] = NULL;
278             /* Check this */
279             openpic_irqs[i].irq[OPENPIC_OUTPUT_RESET] =
280                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET];
281             break;
282 #endif /* defined(TARGET_PPC64) */
283         default:
284             error_report("Bus model not supported on mac99 machine");
285             exit(1);
286         }
287     }
288 
289     pic_dev = qdev_new(TYPE_OPENPIC);
290     qdev_prop_set_uint32(pic_dev, "model", OPENPIC_MODEL_KEYLARGO);
291     s = SYS_BUS_DEVICE(pic_dev);
292     sysbus_realize_and_unref(s, &error_fatal);
293     k = 0;
294     for (i = 0; i < smp_cpus; i++) {
295         for (j = 0; j < OPENPIC_OUTPUT_NB; j++) {
296             sysbus_connect_irq(s, k++, openpic_irqs[i].irq[j]);
297         }
298     }
299     g_free(openpic_irqs);
300 
301     if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) {
302         /* 970 gets a U3 bus */
303         /* Uninorth AGP bus */
304         dev = qdev_new(TYPE_U3_AGP_HOST_BRIDGE);
305         object_property_set_link(OBJECT(dev), "pic", OBJECT(pic_dev),
306                                  &error_abort);
307         sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
308         uninorth_pci = U3_AGP_HOST_BRIDGE(dev);
309         s = SYS_BUS_DEVICE(dev);
310         /* PCI hole */
311         memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
312                                     sysbus_mmio_get_region(s, 2));
313         /* Register 8 MB of ISA IO space */
314         memory_region_add_subregion(get_system_memory(), 0xf2000000,
315                                     sysbus_mmio_get_region(s, 3));
316         sysbus_mmio_map(s, 0, 0xf0800000);
317         sysbus_mmio_map(s, 1, 0xf0c00000);
318 
319         machine_arch = ARCH_MAC99_U3;
320     } else {
321         /* Use values found on a real PowerMac */
322         /* Uninorth AGP bus */
323         dev = qdev_new(TYPE_UNI_NORTH_AGP_HOST_BRIDGE);
324         object_property_set_link(OBJECT(dev), "pic", OBJECT(pic_dev),
325                                  &error_abort);
326         s = SYS_BUS_DEVICE(dev);
327         sysbus_realize_and_unref(s, &error_fatal);
328         sysbus_mmio_map(s, 0, 0xf0800000);
329         sysbus_mmio_map(s, 1, 0xf0c00000);
330 
331         /* Uninorth internal bus */
332         dev = qdev_new(TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE);
333         object_property_set_link(OBJECT(dev), "pic", OBJECT(pic_dev),
334                                  &error_abort);
335         s = SYS_BUS_DEVICE(dev);
336         sysbus_realize_and_unref(s, &error_fatal);
337         sysbus_mmio_map(s, 0, 0xf4800000);
338         sysbus_mmio_map(s, 1, 0xf4c00000);
339 
340         /* Uninorth main bus */
341         dev = qdev_new(TYPE_UNI_NORTH_PCI_HOST_BRIDGE);
342         qdev_prop_set_uint32(dev, "ofw-addr", 0xf2000000);
343         object_property_set_link(OBJECT(dev), "pic", OBJECT(pic_dev),
344                                  &error_abort);
345         sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
346         uninorth_pci = UNI_NORTH_PCI_HOST_BRIDGE(dev);
347         s = SYS_BUS_DEVICE(dev);
348         /* PCI hole */
349         memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
350                                     sysbus_mmio_get_region(s, 2));
351         /* Register 8 MB of ISA IO space */
352         memory_region_add_subregion(get_system_memory(), 0xf2000000,
353                                     sysbus_mmio_get_region(s, 3));
354         sysbus_mmio_map(s, 0, 0xf2800000);
355         sysbus_mmio_map(s, 1, 0xf2c00000);
356 
357         machine_arch = ARCH_MAC99;
358     }
359 
360     machine->usb |= defaults_enabled() && !machine->usb_disabled;
361     has_pmu = (core99_machine->via_config != CORE99_VIA_CONFIG_CUDA);
362     has_adb = (core99_machine->via_config == CORE99_VIA_CONFIG_CUDA ||
363                core99_machine->via_config == CORE99_VIA_CONFIG_PMU_ADB);
364 
365     /* Timebase Frequency */
366     if (kvm_enabled()) {
367         tbfreq = kvmppc_get_tbfreq();
368     } else {
369         tbfreq = TBFREQ;
370     }
371 
372     /* init basic PC hardware */
373     pci_bus = PCI_HOST_BRIDGE(uninorth_pci)->bus;
374 
375     /* MacIO */
376     macio = pci_new(-1, TYPE_NEWWORLD_MACIO);
377     dev = DEVICE(macio);
378     qdev_prop_set_uint64(dev, "frequency", tbfreq);
379     qdev_prop_set_bit(dev, "has-pmu", has_pmu);
380     qdev_prop_set_bit(dev, "has-adb", has_adb);
381     object_property_set_link(OBJECT(macio), "pic", OBJECT(pic_dev),
382                              &error_abort);
383     pci_realize_and_unref(macio, pci_bus, &error_fatal);
384 
385     /* We only emulate 2 out of 3 IDE controllers for now */
386     ide_drive_get(hd, ARRAY_SIZE(hd));
387 
388     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
389                                                         "ide[0]"));
390     macio_ide_init_drives(macio_ide, hd);
391 
392     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
393                                                         "ide[1]"));
394     macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]);
395 
396     if (has_adb) {
397         if (has_pmu) {
398             dev = DEVICE(object_resolve_path_component(OBJECT(macio), "pmu"));
399         } else {
400             dev = DEVICE(object_resolve_path_component(OBJECT(macio), "cuda"));
401         }
402 
403         adb_bus = qdev_get_child_bus(dev, "adb.0");
404         dev = qdev_new(TYPE_ADB_KEYBOARD);
405         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
406 
407         dev = qdev_new(TYPE_ADB_MOUSE);
408         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
409     }
410 
411     if (machine->usb) {
412         pci_create_simple(pci_bus, -1, "pci-ohci");
413 
414         /* U3 needs to use USB for input because Linux doesn't support via-cuda
415         on PPC64 */
416         if (!has_adb || machine_arch == ARCH_MAC99_U3) {
417             USBBus *usb_bus = usb_bus_find(-1);
418 
419             usb_create_simple(usb_bus, "usb-kbd");
420             usb_create_simple(usb_bus, "usb-mouse");
421         }
422     }
423 
424     pci_vga_init(pci_bus);
425 
426     if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8) {
427         graphic_depth = 15;
428     }
429 
430     for (i = 0; i < nb_nics; i++) {
431         pci_nic_init_nofail(&nd_table[i], pci_bus, "sungem", NULL);
432     }
433 
434     /* The NewWorld NVRAM is not located in the MacIO device */
435     if (kvm_enabled() && qemu_real_host_page_size > 4096) {
436         /* We can't combine read-write and read-only in a single page, so
437            move the NVRAM out of ROM again for KVM */
438         nvram_addr = 0xFFE00000;
439     }
440     dev = qdev_new(TYPE_MACIO_NVRAM);
441     qdev_prop_set_uint32(dev, "size", 0x2000);
442     qdev_prop_set_uint32(dev, "it_shift", 1);
443     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
444     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, nvram_addr);
445     nvr = MACIO_NVRAM(dev);
446     pmac_format_nvram_partition(nvr, 0x2000);
447     /* No PCI init: the BIOS will do it */
448 
449     dev = qdev_new(TYPE_FW_CFG_MEM);
450     fw_cfg = FW_CFG(dev);
451     qdev_prop_set_uint32(dev, "data_width", 1);
452     qdev_prop_set_bit(dev, "dma_enabled", false);
453     object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
454                               OBJECT(fw_cfg));
455     s = SYS_BUS_DEVICE(dev);
456     sysbus_realize_and_unref(s, &error_fatal);
457     sysbus_mmio_map(s, 0, CFG_ADDR);
458     sysbus_mmio_map(s, 1, CFG_ADDR + 2);
459 
460     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
461     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)machine->smp.max_cpus);
462     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
463     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, machine_arch);
464     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
465     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
466     if (kernel_cmdline) {
467         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
468         pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
469     } else {
470         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
471     }
472     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
473     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
474     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
475 
476     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
477     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
478     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
479 
480     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_VIACONFIG, core99_machine->via_config);
481 
482     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
483     if (kvm_enabled()) {
484         uint8_t *hypercall;
485 
486         hypercall = g_malloc(16);
487         kvmppc_get_hypercall(env, hypercall, 16);
488         fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
489         fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
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         gchar *ndrv_file;
501         gsize ndrv_size;
502 
503         if (g_file_get_contents(filename, &ndrv_file, &ndrv_size, NULL)) {
504             fw_cfg_add_file(fw_cfg, "ndrv/qemu_vga.ndrv", ndrv_file, ndrv_size);
505         }
506         g_free(filename);
507     }
508 
509     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
510 }
511 
512 /*
513  * Implementation of an interface to adjust firmware path
514  * for the bootindex property handling.
515  */
516 static char *core99_fw_dev_path(FWPathProvider *p, BusState *bus,
517                                 DeviceState *dev)
518 {
519     PCIDevice *pci;
520     IDEBus *ide_bus;
521     IDEState *ide_s;
522     MACIOIDEState *macio_ide;
523 
524     if (!strcmp(object_get_typename(OBJECT(dev)), "macio-newworld")) {
525         pci = PCI_DEVICE(dev);
526         return g_strdup_printf("mac-io@%x", PCI_SLOT(pci->devfn));
527     }
528 
529     if (!strcmp(object_get_typename(OBJECT(dev)), "macio-ide")) {
530         macio_ide = MACIO_IDE(dev);
531         return g_strdup_printf("ata-3@%x", macio_ide->addr);
532     }
533 
534     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-drive")) {
535         ide_bus = IDE_BUS(qdev_get_parent_bus(dev));
536         ide_s = idebus_active_if(ide_bus);
537 
538         if (ide_s->drive_kind == IDE_CD) {
539             return g_strdup("cdrom");
540         }
541 
542         return g_strdup("disk");
543     }
544 
545     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-hd")) {
546         return g_strdup("disk");
547     }
548 
549     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
550         return g_strdup("cdrom");
551     }
552 
553     if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
554         return g_strdup("disk");
555     }
556 
557     return NULL;
558 }
559 static int core99_kvm_type(MachineState *machine, const char *arg)
560 {
561     /* Always force PR KVM */
562     return 2;
563 }
564 
565 static void core99_machine_class_init(ObjectClass *oc, void *data)
566 {
567     MachineClass *mc = MACHINE_CLASS(oc);
568     FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
569 
570     mc->desc = "Mac99 based PowerMAC";
571     mc->init = ppc_core99_init;
572     mc->block_default_type = IF_IDE;
573     mc->max_cpus = MAX_CPUS;
574     mc->default_boot_order = "cd";
575     mc->default_display = "std";
576     mc->kvm_type = core99_kvm_type;
577 #ifdef TARGET_PPC64
578     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("970fx_v3.1");
579 #else
580     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("7400_v2.9");
581 #endif
582     mc->default_ram_id = "ppc_core99.ram";
583     mc->ignore_boot_device_suffixes = true;
584     fwc->get_dev_path = core99_fw_dev_path;
585 }
586 
587 static char *core99_get_via_config(Object *obj, Error **errp)
588 {
589     Core99MachineState *cms = CORE99_MACHINE(obj);
590 
591     switch (cms->via_config) {
592     default:
593     case CORE99_VIA_CONFIG_CUDA:
594         return g_strdup("cuda");
595 
596     case CORE99_VIA_CONFIG_PMU:
597         return g_strdup("pmu");
598 
599     case CORE99_VIA_CONFIG_PMU_ADB:
600         return g_strdup("pmu-adb");
601     }
602 }
603 
604 static void core99_set_via_config(Object *obj, const char *value, Error **errp)
605 {
606     Core99MachineState *cms = CORE99_MACHINE(obj);
607 
608     if (!strcmp(value, "cuda")) {
609         cms->via_config = CORE99_VIA_CONFIG_CUDA;
610     } else if (!strcmp(value, "pmu")) {
611         cms->via_config = CORE99_VIA_CONFIG_PMU;
612     } else if (!strcmp(value, "pmu-adb")) {
613         cms->via_config = CORE99_VIA_CONFIG_PMU_ADB;
614     } else {
615         error_setg(errp, "Invalid via value");
616         error_append_hint(errp, "Valid values are cuda, pmu, pmu-adb.\n");
617     }
618 }
619 
620 static void core99_instance_init(Object *obj)
621 {
622     Core99MachineState *cms = CORE99_MACHINE(obj);
623 
624     /* Default via_config is CORE99_VIA_CONFIG_CUDA */
625     cms->via_config = CORE99_VIA_CONFIG_CUDA;
626     object_property_add_str(obj, "via", core99_get_via_config,
627                             core99_set_via_config);
628     object_property_set_description(obj, "via",
629                                     "Set VIA configuration. "
630                                     "Valid values are cuda, pmu and pmu-adb");
631 
632     return;
633 }
634 
635 static const TypeInfo core99_machine_info = {
636     .name          = MACHINE_TYPE_NAME("mac99"),
637     .parent        = TYPE_MACHINE,
638     .class_init    = core99_machine_class_init,
639     .instance_init = core99_instance_init,
640     .instance_size = sizeof(Core99MachineState),
641     .interfaces = (InterfaceInfo[]) {
642         { TYPE_FW_PATH_PROVIDER },
643         { }
644     },
645 };
646 
647 static void mac_machine_register_types(void)
648 {
649     type_register_static(&core99_machine_info);
650 }
651 
652 type_init(mac_machine_register_types)
653