xref: /qemu/hw/ppc/mac_newworld.c (revision cc4a140a)
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 "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/nvram/fw_cfg.h"
61 #include "hw/char/escc.h"
62 #include "hw/misc/macio/macio.h"
63 #include "hw/ppc/openpic.h"
64 #include "hw/loader.h"
65 #include "hw/fw-path-provider.h"
66 #include "elf.h"
67 #include "qemu/error-report.h"
68 #include "sysemu/kvm.h"
69 #include "sysemu/reset.h"
70 #include "kvm_ppc.h"
71 #include "hw/usb.h"
72 #include "hw/sysbus.h"
73 #include "trace.h"
74 
75 #define MAX_IDE_BUS 2
76 #define CFG_ADDR 0xf0000510
77 #define TBFREQ (100UL * 1000UL * 1000UL)
78 #define CLOCKFREQ (900UL * 1000UL * 1000UL)
79 #define BUSFREQ (100UL * 1000UL * 1000UL)
80 
81 #define NDRV_VGA_FILENAME "qemu_vga.ndrv"
82 
83 #define PROM_BASE 0xfff00000
84 #define PROM_SIZE (1 * MiB)
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_BASE + 0x100;
104 }
105 
106 /* PowerPC Mac99 hardware initialisation */
107 static void ppc_core99_init(MachineState *machine)
108 {
109     Core99MachineState *core99_machine = CORE99_MACHINE(machine);
110     PowerPCCPU *cpu = NULL;
111     CPUPPCState *env = NULL;
112     char *filename;
113     IrqLines *openpic_irqs;
114     int i, j, k, ppc_boot_device, machine_arch, bios_size;
115     const char *bios_name = machine->firmware ?: PROM_FILENAME;
116     MemoryRegion *bios = g_new(MemoryRegion, 1);
117     hwaddr kernel_base, initrd_base, cmdline_base = 0;
118     long kernel_size, initrd_size;
119     UNINHostState *uninorth_pci;
120     PCIBus *pci_bus;
121     PCIDevice *macio;
122     ESCCState *escc;
123     bool has_pmu, has_adb;
124     MACIOIDEState *macio_ide;
125     BusState *adb_bus;
126     MacIONVRAMState *nvr;
127     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
128     void *fw_cfg;
129     SysBusDevice *s;
130     DeviceState *dev, *pic_dev;
131     DeviceState *uninorth_internal_dev = NULL, *uninorth_agp_dev = NULL;
132     hwaddr nvram_addr = 0xFFF04000;
133     uint64_t tbfreq;
134 
135     /* init CPUs */
136     for (i = 0; i < machine->smp.cpus; i++) {
137         cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
138         env = &cpu->env;
139 
140         /* Set time-base frequency to 100 Mhz */
141         cpu_ppc_tb_init(env, TBFREQ);
142         qemu_register_reset(ppc_core99_reset, cpu);
143     }
144 
145     /* allocate RAM */
146     if (machine->ram_size > 2 * GiB) {
147         error_report("RAM size more than 2 GiB is not supported");
148         exit(1);
149     }
150     memory_region_add_subregion(get_system_memory(), 0, machine->ram);
151 
152     /* allocate and load firmware ROM */
153     memory_region_init_rom(bios, NULL, "ppc_core99.bios", PROM_SIZE,
154                            &error_fatal);
155     memory_region_add_subregion(get_system_memory(), PROM_BASE, bios);
156 
157     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
158     if (filename) {
159         /* Load OpenBIOS (ELF) */
160         bios_size = load_elf(filename, NULL, NULL, NULL, NULL,
161                              NULL, NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0);
162 
163         if (bios_size <= 0) {
164             /* or load binary ROM image */
165             bios_size = load_image_targphys(filename, PROM_BASE, PROM_SIZE);
166         }
167         g_free(filename);
168     } else {
169         bios_size = -1;
170     }
171     if (bios_size < 0 || bios_size > PROM_SIZE) {
172         error_report("could not load PowerPC bios '%s'", bios_name);
173         exit(1);
174     }
175 
176     if (machine->kernel_filename) {
177         int bswap_needed;
178 
179 #ifdef BSWAP_NEEDED
180         bswap_needed = 1;
181 #else
182         bswap_needed = 0;
183 #endif
184         kernel_base = KERNEL_LOAD_ADDR;
185 
186         kernel_size = load_elf(machine->kernel_filename, NULL,
187                                translate_kernel_address, NULL, NULL, NULL,
188                                NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0);
189         if (kernel_size < 0)
190             kernel_size = load_aout(machine->kernel_filename, kernel_base,
191                                     machine->ram_size - kernel_base,
192                                     bswap_needed, TARGET_PAGE_SIZE);
193         if (kernel_size < 0)
194             kernel_size = load_image_targphys(machine->kernel_filename,
195                                               kernel_base,
196                                               machine->ram_size - kernel_base);
197         if (kernel_size < 0) {
198             error_report("could not load kernel '%s'",
199                          machine->kernel_filename);
200             exit(1);
201         }
202         /* load initrd */
203         if (machine->initrd_filename) {
204             initrd_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
205             initrd_size = load_image_targphys(machine->initrd_filename,
206                                               initrd_base,
207                                               machine->ram_size - initrd_base);
208             if (initrd_size < 0) {
209                 error_report("could not load initial ram disk '%s'",
210                              machine->initrd_filename);
211                 exit(1);
212             }
213             cmdline_base = TARGET_PAGE_ALIGN(initrd_base + initrd_size);
214         } else {
215             initrd_base = 0;
216             initrd_size = 0;
217             cmdline_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
218         }
219         ppc_boot_device = 'm';
220     } else {
221         kernel_base = 0;
222         kernel_size = 0;
223         initrd_base = 0;
224         initrd_size = 0;
225         ppc_boot_device = '\0';
226         /* We consider that NewWorld PowerMac never have any floppy drive
227          * For now, OHW cannot boot from the network.
228          */
229         for (i = 0; machine->boot_config.order[i] != '\0'; i++) {
230             if (machine->boot_config.order[i] >= 'c' &&
231                 machine->boot_config.order[i] <= 'f') {
232                 ppc_boot_device = machine->boot_config.order[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, machine->smp.cpus);
250     for (i = 0; i < machine->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                 qdev_get_gpio_in(DEVICE(cpu), PPC6xx_INPUT_INT);
258             openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
259                  qdev_get_gpio_in(DEVICE(cpu), PPC6xx_INPUT_INT);
260             openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
261                 qdev_get_gpio_in(DEVICE(cpu), 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                 qdev_get_gpio_in(DEVICE(cpu), 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                 qdev_get_gpio_in(DEVICE(cpu), PPC970_INPUT_INT);
272             openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
273                 qdev_get_gpio_in(DEVICE(cpu), PPC970_INPUT_INT);
274             openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
275                 qdev_get_gpio_in(DEVICE(cpu), 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                 qdev_get_gpio_in(DEVICE(cpu), 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     if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) {
290         /* 970 gets a U3 bus */
291         /* Uninorth AGP bus */
292         dev = qdev_new(TYPE_U3_AGP_HOST_BRIDGE);
293         sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
294         uninorth_pci = U3_AGP_HOST_BRIDGE(dev);
295         s = SYS_BUS_DEVICE(dev);
296         /* PCI hole */
297         memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
298                                     sysbus_mmio_get_region(s, 2));
299         /* Register 8 MB of ISA IO space */
300         memory_region_add_subregion(get_system_memory(), 0xf2000000,
301                                     sysbus_mmio_get_region(s, 3));
302         sysbus_mmio_map(s, 0, 0xf0800000);
303         sysbus_mmio_map(s, 1, 0xf0c00000);
304 
305         machine_arch = ARCH_MAC99_U3;
306     } else {
307         /* Use values found on a real PowerMac */
308         /* Uninorth AGP bus */
309         uninorth_agp_dev = qdev_new(TYPE_UNI_NORTH_AGP_HOST_BRIDGE);
310         s = SYS_BUS_DEVICE(uninorth_agp_dev);
311         sysbus_realize_and_unref(s, &error_fatal);
312         sysbus_mmio_map(s, 0, 0xf0800000);
313         sysbus_mmio_map(s, 1, 0xf0c00000);
314 
315         /* Uninorth internal bus */
316         uninorth_internal_dev = qdev_new(
317                                 TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE);
318         s = SYS_BUS_DEVICE(uninorth_internal_dev);
319         sysbus_realize_and_unref(s, &error_fatal);
320         sysbus_mmio_map(s, 0, 0xf4800000);
321         sysbus_mmio_map(s, 1, 0xf4c00000);
322 
323         /* Uninorth main bus */
324         dev = qdev_new(TYPE_UNI_NORTH_PCI_HOST_BRIDGE);
325         qdev_prop_set_uint32(dev, "ofw-addr", 0xf2000000);
326         sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
327         uninorth_pci = UNI_NORTH_PCI_HOST_BRIDGE(dev);
328         s = SYS_BUS_DEVICE(dev);
329         /* PCI hole */
330         memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
331                                     sysbus_mmio_get_region(s, 2));
332         /* Register 8 MB of ISA IO space */
333         memory_region_add_subregion(get_system_memory(), 0xf2000000,
334                                     sysbus_mmio_get_region(s, 3));
335         sysbus_mmio_map(s, 0, 0xf2800000);
336         sysbus_mmio_map(s, 1, 0xf2c00000);
337 
338         machine_arch = ARCH_MAC99;
339     }
340 
341     machine->usb |= defaults_enabled() && !machine->usb_disabled;
342     has_pmu = (core99_machine->via_config != CORE99_VIA_CONFIG_CUDA);
343     has_adb = (core99_machine->via_config == CORE99_VIA_CONFIG_CUDA ||
344                core99_machine->via_config == CORE99_VIA_CONFIG_PMU_ADB);
345 
346     /* Timebase Frequency */
347     if (kvm_enabled()) {
348         tbfreq = kvmppc_get_tbfreq();
349     } else {
350         tbfreq = TBFREQ;
351     }
352 
353     /* init basic PC hardware */
354     pci_bus = PCI_HOST_BRIDGE(uninorth_pci)->bus;
355 
356     /* MacIO */
357     macio = pci_new(-1, TYPE_NEWWORLD_MACIO);
358     dev = DEVICE(macio);
359     qdev_prop_set_uint64(dev, "frequency", tbfreq);
360     qdev_prop_set_bit(dev, "has-pmu", has_pmu);
361     qdev_prop_set_bit(dev, "has-adb", has_adb);
362 
363     escc = ESCC(object_resolve_path_component(OBJECT(macio), "escc"));
364     qdev_prop_set_chr(DEVICE(escc), "chrA", serial_hd(0));
365     qdev_prop_set_chr(DEVICE(escc), "chrB", serial_hd(1));
366 
367     pci_realize_and_unref(macio, pci_bus, &error_fatal);
368 
369     pic_dev = DEVICE(object_resolve_path_component(OBJECT(macio), "pic"));
370     for (i = 0; i < 4; i++) {
371         qdev_connect_gpio_out(DEVICE(uninorth_pci), i,
372                               qdev_get_gpio_in(pic_dev, 0x1b + i));
373     }
374 
375     /* TODO: additional PCI buses only wired up for 32-bit machines */
376     if (PPC_INPUT(env) != PPC_FLAGS_INPUT_970) {
377         /* Uninorth AGP bus */
378         for (i = 0; i < 4; i++) {
379             qdev_connect_gpio_out(uninorth_agp_dev, i,
380                                   qdev_get_gpio_in(pic_dev, 0x1b + i));
381         }
382 
383         /* Uninorth internal bus */
384         for (i = 0; i < 4; i++) {
385             qdev_connect_gpio_out(uninorth_internal_dev, i,
386                                   qdev_get_gpio_in(pic_dev, 0x1b + i));
387         }
388     }
389 
390     /* OpenPIC */
391     s = SYS_BUS_DEVICE(pic_dev);
392     k = 0;
393     for (i = 0; i < machine->smp.cpus; i++) {
394         for (j = 0; j < OPENPIC_OUTPUT_NB; j++) {
395             sysbus_connect_irq(s, k++, openpic_irqs[i].irq[j]);
396         }
397     }
398     g_free(openpic_irqs);
399 
400     /* We only emulate 2 out of 3 IDE controllers for now */
401     ide_drive_get(hd, ARRAY_SIZE(hd));
402 
403     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
404                                                         "ide[0]"));
405     macio_ide_init_drives(macio_ide, hd);
406 
407     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
408                                                         "ide[1]"));
409     macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]);
410 
411     if (has_adb) {
412         if (has_pmu) {
413             dev = DEVICE(object_resolve_path_component(OBJECT(macio), "pmu"));
414         } else {
415             dev = DEVICE(object_resolve_path_component(OBJECT(macio), "cuda"));
416         }
417 
418         adb_bus = qdev_get_child_bus(dev, "adb.0");
419         dev = qdev_new(TYPE_ADB_KEYBOARD);
420         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
421 
422         dev = qdev_new(TYPE_ADB_MOUSE);
423         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
424     }
425 
426     if (machine->usb) {
427         pci_create_simple(pci_bus, -1, "pci-ohci");
428 
429         /* U3 needs to use USB for input because Linux doesn't support via-cuda
430         on PPC64 */
431         if (!has_adb || machine_arch == ARCH_MAC99_U3) {
432             USBBus *usb_bus = usb_bus_find(-1);
433 
434             usb_create_simple(usb_bus, "usb-kbd");
435             usb_create_simple(usb_bus, "usb-mouse");
436         }
437     }
438 
439     pci_vga_init(pci_bus);
440 
441     if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8) {
442         graphic_depth = 15;
443     }
444 
445     for (i = 0; i < nb_nics; i++) {
446         pci_nic_init_nofail(&nd_table[i], pci_bus, "sungem", NULL);
447     }
448 
449     /* The NewWorld NVRAM is not located in the MacIO device */
450     if (kvm_enabled() && qemu_real_host_page_size() > 4096) {
451         /* We can't combine read-write and read-only in a single page, so
452            move the NVRAM out of ROM again for KVM */
453         nvram_addr = 0xFFE00000;
454     }
455     dev = qdev_new(TYPE_MACIO_NVRAM);
456     qdev_prop_set_uint32(dev, "size", 0x2000);
457     qdev_prop_set_uint32(dev, "it_shift", 1);
458     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
459     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, nvram_addr);
460     nvr = MACIO_NVRAM(dev);
461     pmac_format_nvram_partition(nvr, 0x2000);
462     /* No PCI init: the BIOS will do it */
463 
464     dev = qdev_new(TYPE_FW_CFG_MEM);
465     fw_cfg = FW_CFG(dev);
466     qdev_prop_set_uint32(dev, "data_width", 1);
467     qdev_prop_set_bit(dev, "dma_enabled", false);
468     object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
469                               OBJECT(fw_cfg));
470     s = SYS_BUS_DEVICE(dev);
471     sysbus_realize_and_unref(s, &error_fatal);
472     sysbus_mmio_map(s, 0, CFG_ADDR);
473     sysbus_mmio_map(s, 1, CFG_ADDR + 2);
474 
475     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)machine->smp.cpus);
476     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)machine->smp.max_cpus);
477     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)machine->ram_size);
478     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, machine_arch);
479     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
480     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
481     if (machine->kernel_cmdline) {
482         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
483         pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE,
484                          machine->kernel_cmdline);
485     } else {
486         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
487     }
488     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
489     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
490     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
491 
492     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
493     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
494     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
495 
496     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_VIACONFIG, core99_machine->via_config);
497 
498     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
499     if (kvm_enabled()) {
500         uint8_t *hypercall;
501 
502         hypercall = g_malloc(16);
503         kvmppc_get_hypercall(env, hypercall, 16);
504         fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
505         fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
506     }
507     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq);
508     /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
509     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ);
510     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ);
511     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_NVRAM_ADDR, nvram_addr);
512 
513     /* MacOS NDRV VGA driver */
514     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, NDRV_VGA_FILENAME);
515     if (filename) {
516         gchar *ndrv_file;
517         gsize ndrv_size;
518 
519         if (g_file_get_contents(filename, &ndrv_file, &ndrv_size, NULL)) {
520             fw_cfg_add_file(fw_cfg, "ndrv/qemu_vga.ndrv", ndrv_file, ndrv_size);
521         }
522         g_free(filename);
523     }
524 
525     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
526 }
527 
528 /*
529  * Implementation of an interface to adjust firmware path
530  * for the bootindex property handling.
531  */
532 static char *core99_fw_dev_path(FWPathProvider *p, BusState *bus,
533                                 DeviceState *dev)
534 {
535     PCIDevice *pci;
536     MACIOIDEState *macio_ide;
537 
538     if (!strcmp(object_get_typename(OBJECT(dev)), "macio-newworld")) {
539         pci = PCI_DEVICE(dev);
540         return g_strdup_printf("mac-io@%x", PCI_SLOT(pci->devfn));
541     }
542 
543     if (!strcmp(object_get_typename(OBJECT(dev)), "macio-ide")) {
544         macio_ide = MACIO_IDE(dev);
545         return g_strdup_printf("ata-3@%x", macio_ide->addr);
546     }
547 
548     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-hd")) {
549         return g_strdup("disk");
550     }
551 
552     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
553         return g_strdup("cdrom");
554     }
555 
556     if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
557         return g_strdup("disk");
558     }
559 
560     return NULL;
561 }
562 static int core99_kvm_type(MachineState *machine, const char *arg)
563 {
564     /* Always force PR KVM */
565     return 2;
566 }
567 
568 static void core99_machine_class_init(ObjectClass *oc, void *data)
569 {
570     MachineClass *mc = MACHINE_CLASS(oc);
571     FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
572 
573     mc->desc = "Mac99 based PowerMAC";
574     mc->init = ppc_core99_init;
575     mc->block_default_type = IF_IDE;
576     /* SMP is not supported currently */
577     mc->max_cpus = 1;
578     mc->default_boot_order = "cd";
579     mc->default_display = "std";
580     mc->kvm_type = core99_kvm_type;
581 #ifdef TARGET_PPC64
582     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("970fx_v3.1");
583 #else
584     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("7400_v2.9");
585 #endif
586     mc->default_ram_id = "ppc_core99.ram";
587     mc->ignore_boot_device_suffixes = true;
588     fwc->get_dev_path = core99_fw_dev_path;
589 }
590 
591 static char *core99_get_via_config(Object *obj, Error **errp)
592 {
593     Core99MachineState *cms = CORE99_MACHINE(obj);
594 
595     switch (cms->via_config) {
596     default:
597     case CORE99_VIA_CONFIG_CUDA:
598         return g_strdup("cuda");
599 
600     case CORE99_VIA_CONFIG_PMU:
601         return g_strdup("pmu");
602 
603     case CORE99_VIA_CONFIG_PMU_ADB:
604         return g_strdup("pmu-adb");
605     }
606 }
607 
608 static void core99_set_via_config(Object *obj, const char *value, Error **errp)
609 {
610     Core99MachineState *cms = CORE99_MACHINE(obj);
611 
612     if (!strcmp(value, "cuda")) {
613         cms->via_config = CORE99_VIA_CONFIG_CUDA;
614     } else if (!strcmp(value, "pmu")) {
615         cms->via_config = CORE99_VIA_CONFIG_PMU;
616     } else if (!strcmp(value, "pmu-adb")) {
617         cms->via_config = CORE99_VIA_CONFIG_PMU_ADB;
618     } else {
619         error_setg(errp, "Invalid via value");
620         error_append_hint(errp, "Valid values are cuda, pmu, pmu-adb.\n");
621     }
622 }
623 
624 static void core99_instance_init(Object *obj)
625 {
626     Core99MachineState *cms = CORE99_MACHINE(obj);
627 
628     /* Default via_config is CORE99_VIA_CONFIG_CUDA */
629     cms->via_config = CORE99_VIA_CONFIG_CUDA;
630     object_property_add_str(obj, "via", core99_get_via_config,
631                             core99_set_via_config);
632     object_property_set_description(obj, "via",
633                                     "Set VIA configuration. "
634                                     "Valid values are cuda, pmu and pmu-adb");
635 
636     return;
637 }
638 
639 static const TypeInfo core99_machine_info = {
640     .name          = MACHINE_TYPE_NAME("mac99"),
641     .parent        = TYPE_MACHINE,
642     .class_init    = core99_machine_class_init,
643     .instance_init = core99_instance_init,
644     .instance_size = sizeof(Core99MachineState),
645     .interfaces = (InterfaceInfo[]) {
646         { TYPE_FW_PATH_PROVIDER },
647         { }
648     },
649 };
650 
651 static void mac_machine_register_types(void)
652 {
653     type_register_static(&core99_machine_info);
654 }
655 
656 type_init(mac_machine_register_types)
657