xref: /openbmc/qemu/hw/ppc/mac_newworld.c (revision ee86213a)
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 "qemu/datadir.h"
52 #include "qapi/error.h"
53 #include "hw/ppc/ppc.h"
54 #include "hw/qdev-properties.h"
55 #include "hw/ppc/mac.h"
56 #include "hw/input/adb.h"
57 #include "hw/ppc/mac_dbdma.h"
58 #include "hw/pci/pci.h"
59 #include "net/net.h"
60 #include "sysemu/sysemu.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 "hw/sysbus.h"
74 #include "trace.h"
75 
76 #define MAX_IDE_BUS 2
77 #define CFG_ADDR 0xf0000510
78 #define TBFREQ (100UL * 1000UL * 1000UL)
79 #define CLOCKFREQ (900UL * 1000UL * 1000UL)
80 #define BUSFREQ (100UL * 1000UL * 1000UL)
81 
82 #define NDRV_VGA_FILENAME "qemu_vga.ndrv"
83 
84 #define PROM_BASE 0xfff00000
85 #define PROM_SIZE (1 * MiB)
86 
87 static void fw_cfg_boot_set(void *opaque, const char *boot_device,
88                             Error **errp)
89 {
90     fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
91 }
92 
93 static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
94 {
95     return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR;
96 }
97 
98 static void ppc_core99_reset(void *opaque)
99 {
100     PowerPCCPU *cpu = opaque;
101 
102     cpu_reset(CPU(cpu));
103     /* 970 CPUs want to get their initial IP as part of their boot protocol */
104     cpu->env.nip = PROM_BASE + 0x100;
105 }
106 
107 /* PowerPC Mac99 hardware initialisation */
108 static void ppc_core99_init(MachineState *machine)
109 {
110     ram_addr_t ram_size = machine->ram_size;
111     const char *bios_name = machine->firmware ?: PROM_FILENAME;
112     const char *kernel_filename = machine->kernel_filename;
113     const char *kernel_cmdline = machine->kernel_cmdline;
114     const char *initrd_filename = machine->initrd_filename;
115     const char *boot_device = machine->boot_order;
116     Core99MachineState *core99_machine = CORE99_MACHINE(machine);
117     PowerPCCPU *cpu = NULL;
118     CPUPPCState *env = NULL;
119     char *filename;
120     IrqLines *openpic_irqs;
121     int linux_boot, i, j, k;
122     MemoryRegion *bios = g_new(MemoryRegion, 1);
123     hwaddr kernel_base, initrd_base, cmdline_base = 0;
124     long kernel_size, initrd_size;
125     UNINHostState *uninorth_pci;
126     PCIBus *pci_bus;
127     PCIDevice *macio;
128     ESCCState *escc;
129     bool has_pmu, has_adb;
130     MACIOIDEState *macio_ide;
131     BusState *adb_bus;
132     MacIONVRAMState *nvr;
133     int bios_size;
134     int ppc_boot_device;
135     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
136     void *fw_cfg;
137     int machine_arch;
138     SysBusDevice *s;
139     DeviceState *dev, *pic_dev;
140     DeviceState *uninorth_internal_dev = NULL, *uninorth_agp_dev = NULL;
141     hwaddr nvram_addr = 0xFFF04000;
142     uint64_t tbfreq;
143     unsigned int smp_cpus = machine->smp.cpus;
144 
145     linux_boot = (kernel_filename != NULL);
146 
147     /* init CPUs */
148     for (i = 0; i < smp_cpus; i++) {
149         cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
150         env = &cpu->env;
151 
152         /* Set time-base frequency to 100 Mhz */
153         cpu_ppc_tb_init(env, TBFREQ);
154         qemu_register_reset(ppc_core99_reset, cpu);
155     }
156 
157     /* allocate RAM */
158     memory_region_add_subregion(get_system_memory(), 0, machine->ram);
159 
160     /* allocate and load firmware ROM */
161     memory_region_init_rom(bios, NULL, "ppc_core99.bios", PROM_SIZE,
162                            &error_fatal);
163     memory_region_add_subregion(get_system_memory(), PROM_BASE, bios);
164 
165     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
166     if (filename) {
167         /* Load OpenBIOS (ELF) */
168         bios_size = load_elf(filename, NULL, NULL, NULL, NULL,
169                              NULL, NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0);
170 
171         if (bios_size <= 0) {
172             /* or load binary ROM image */
173             bios_size = load_image_targphys(filename, PROM_BASE, PROM_SIZE);
174         }
175         g_free(filename);
176     } else {
177         bios_size = -1;
178     }
179     if (bios_size < 0 || bios_size > PROM_SIZE) {
180         error_report("could not load PowerPC bios '%s'", bios_name);
181         exit(1);
182     }
183 
184     if (linux_boot) {
185         int bswap_needed;
186 
187 #ifdef BSWAP_NEEDED
188         bswap_needed = 1;
189 #else
190         bswap_needed = 0;
191 #endif
192         kernel_base = KERNEL_LOAD_ADDR;
193 
194         kernel_size = load_elf(kernel_filename, NULL,
195                                translate_kernel_address, NULL, NULL, NULL,
196                                NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0);
197         if (kernel_size < 0)
198             kernel_size = load_aout(kernel_filename, kernel_base,
199                                     ram_size - kernel_base, bswap_needed,
200                                     TARGET_PAGE_SIZE);
201         if (kernel_size < 0)
202             kernel_size = load_image_targphys(kernel_filename,
203                                               kernel_base,
204                                               ram_size - kernel_base);
205         if (kernel_size < 0) {
206             error_report("could not load kernel '%s'", kernel_filename);
207             exit(1);
208         }
209         /* load initrd */
210         if (initrd_filename) {
211             initrd_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
212             initrd_size = load_image_targphys(initrd_filename, initrd_base,
213                                               ram_size - initrd_base);
214             if (initrd_size < 0) {
215                 error_report("could not load initial ram disk '%s'",
216                              initrd_filename);
217                 exit(1);
218             }
219             cmdline_base = TARGET_PAGE_ALIGN(initrd_base + initrd_size);
220         } else {
221             initrd_base = 0;
222             initrd_size = 0;
223             cmdline_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
224         }
225         ppc_boot_device = 'm';
226     } else {
227         kernel_base = 0;
228         kernel_size = 0;
229         initrd_base = 0;
230         initrd_size = 0;
231         ppc_boot_device = '\0';
232         /* We consider that NewWorld PowerMac never have any floppy drive
233          * For now, OHW cannot boot from the network.
234          */
235         for (i = 0; boot_device[i] != '\0'; i++) {
236             if (boot_device[i] >= 'c' && boot_device[i] <= 'f') {
237                 ppc_boot_device = boot_device[i];
238                 break;
239             }
240         }
241         if (ppc_boot_device == '\0') {
242             error_report("No valid boot device for Mac99 machine");
243             exit(1);
244         }
245     }
246 
247     /* UniN init */
248     dev = qdev_new(TYPE_UNI_NORTH);
249     s = SYS_BUS_DEVICE(dev);
250     sysbus_realize_and_unref(s, &error_fatal);
251     memory_region_add_subregion(get_system_memory(), 0xf8000000,
252                                 sysbus_mmio_get_region(s, 0));
253 
254     openpic_irqs = g_new0(IrqLines, smp_cpus);
255     for (i = 0; i < smp_cpus; i++) {
256         /* Mac99 IRQ connection between OpenPIC outputs pins
257          * and PowerPC input pins
258          */
259         switch (PPC_INPUT(env)) {
260         case PPC_FLAGS_INPUT_6xx:
261             openpic_irqs[i].irq[OPENPIC_OUTPUT_INT] =
262                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
263             openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
264                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
265             openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
266                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP];
267             /* Not connected ? */
268             openpic_irqs[i].irq[OPENPIC_OUTPUT_DEBUG] = NULL;
269             /* Check this */
270             openpic_irqs[i].irq[OPENPIC_OUTPUT_RESET] =
271                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET];
272             break;
273 #if defined(TARGET_PPC64)
274         case PPC_FLAGS_INPUT_970:
275             openpic_irqs[i].irq[OPENPIC_OUTPUT_INT] =
276                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
277             openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
278                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
279             openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
280                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP];
281             /* Not connected ? */
282             openpic_irqs[i].irq[OPENPIC_OUTPUT_DEBUG] = NULL;
283             /* Check this */
284             openpic_irqs[i].irq[OPENPIC_OUTPUT_RESET] =
285                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET];
286             break;
287 #endif /* defined(TARGET_PPC64) */
288         default:
289             error_report("Bus model not supported on mac99 machine");
290             exit(1);
291         }
292     }
293 
294     if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) {
295         /* 970 gets a U3 bus */
296         /* Uninorth AGP bus */
297         dev = qdev_new(TYPE_U3_AGP_HOST_BRIDGE);
298         sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
299         uninorth_pci = U3_AGP_HOST_BRIDGE(dev);
300         s = SYS_BUS_DEVICE(dev);
301         /* PCI hole */
302         memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
303                                     sysbus_mmio_get_region(s, 2));
304         /* Register 8 MB of ISA IO space */
305         memory_region_add_subregion(get_system_memory(), 0xf2000000,
306                                     sysbus_mmio_get_region(s, 3));
307         sysbus_mmio_map(s, 0, 0xf0800000);
308         sysbus_mmio_map(s, 1, 0xf0c00000);
309 
310         machine_arch = ARCH_MAC99_U3;
311     } else {
312         /* Use values found on a real PowerMac */
313         /* Uninorth AGP bus */
314         uninorth_agp_dev = qdev_new(TYPE_UNI_NORTH_AGP_HOST_BRIDGE);
315         s = SYS_BUS_DEVICE(uninorth_agp_dev);
316         sysbus_realize_and_unref(s, &error_fatal);
317         sysbus_mmio_map(s, 0, 0xf0800000);
318         sysbus_mmio_map(s, 1, 0xf0c00000);
319 
320         /* Uninorth internal bus */
321         uninorth_internal_dev = qdev_new(
322                                 TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE);
323         s = SYS_BUS_DEVICE(uninorth_internal_dev);
324         sysbus_realize_and_unref(s, &error_fatal);
325         sysbus_mmio_map(s, 0, 0xf4800000);
326         sysbus_mmio_map(s, 1, 0xf4c00000);
327 
328         /* Uninorth main bus */
329         dev = qdev_new(TYPE_UNI_NORTH_PCI_HOST_BRIDGE);
330         qdev_prop_set_uint32(dev, "ofw-addr", 0xf2000000);
331         sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
332         uninorth_pci = UNI_NORTH_PCI_HOST_BRIDGE(dev);
333         s = SYS_BUS_DEVICE(dev);
334         /* PCI hole */
335         memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
336                                     sysbus_mmio_get_region(s, 2));
337         /* Register 8 MB of ISA IO space */
338         memory_region_add_subregion(get_system_memory(), 0xf2000000,
339                                     sysbus_mmio_get_region(s, 3));
340         sysbus_mmio_map(s, 0, 0xf2800000);
341         sysbus_mmio_map(s, 1, 0xf2c00000);
342 
343         machine_arch = ARCH_MAC99;
344     }
345 
346     machine->usb |= defaults_enabled() && !machine->usb_disabled;
347     has_pmu = (core99_machine->via_config != CORE99_VIA_CONFIG_CUDA);
348     has_adb = (core99_machine->via_config == CORE99_VIA_CONFIG_CUDA ||
349                core99_machine->via_config == CORE99_VIA_CONFIG_PMU_ADB);
350 
351     /* Timebase Frequency */
352     if (kvm_enabled()) {
353         tbfreq = kvmppc_get_tbfreq();
354     } else {
355         tbfreq = TBFREQ;
356     }
357 
358     /* init basic PC hardware */
359     pci_bus = PCI_HOST_BRIDGE(uninorth_pci)->bus;
360 
361     /* MacIO */
362     macio = 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     escc = ESCC(object_resolve_path_component(OBJECT(macio), "escc"));
369     qdev_prop_set_chr(DEVICE(escc), "chrA", serial_hd(0));
370     qdev_prop_set_chr(DEVICE(escc), "chrB", serial_hd(1));
371 
372     pci_realize_and_unref(macio, pci_bus, &error_fatal);
373 
374     pic_dev = DEVICE(object_resolve_path_component(OBJECT(macio), "pic"));
375     for (i = 0; i < 4; i++) {
376         qdev_connect_gpio_out(DEVICE(uninorth_pci), 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 < 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(OBJECT(macio),
409                                                         "ide[0]"));
410     macio_ide_init_drives(macio_ide, hd);
411 
412     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
413                                                         "ide[1]"));
414     macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]);
415 
416     if (has_adb) {
417         if (has_pmu) {
418             dev = DEVICE(object_resolve_path_component(OBJECT(macio), "pmu"));
419         } else {
420             dev = DEVICE(object_resolve_path_component(OBJECT(macio), "cuda"));
421         }
422 
423         adb_bus = qdev_get_child_bus(dev, "adb.0");
424         dev = qdev_new(TYPE_ADB_KEYBOARD);
425         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
426 
427         dev = qdev_new(TYPE_ADB_MOUSE);
428         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
429     }
430 
431     if (machine->usb) {
432         pci_create_simple(pci_bus, -1, "pci-ohci");
433 
434         /* U3 needs to use USB for input because Linux doesn't support via-cuda
435         on PPC64 */
436         if (!has_adb || machine_arch == ARCH_MAC99_U3) {
437             USBBus *usb_bus = usb_bus_find(-1);
438 
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     for (i = 0; i < nb_nics; i++) {
451         pci_nic_init_nofail(&nd_table[i], pci_bus, "sungem", NULL);
452     }
453 
454     /* The NewWorld NVRAM is not located in the MacIO device */
455     if (kvm_enabled() && qemu_real_host_page_size > 4096) {
456         /* We can't combine read-write and read-only in a single page, so
457            move the NVRAM out of ROM again for KVM */
458         nvram_addr = 0xFFE00000;
459     }
460     dev = qdev_new(TYPE_MACIO_NVRAM);
461     qdev_prop_set_uint32(dev, "size", 0x2000);
462     qdev_prop_set_uint32(dev, "it_shift", 1);
463     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
464     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, nvram_addr);
465     nvr = MACIO_NVRAM(dev);
466     pmac_format_nvram_partition(nvr, 0x2000);
467     /* No PCI init: the BIOS will do it */
468 
469     dev = qdev_new(TYPE_FW_CFG_MEM);
470     fw_cfg = FW_CFG(dev);
471     qdev_prop_set_uint32(dev, "data_width", 1);
472     qdev_prop_set_bit(dev, "dma_enabled", false);
473     object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
474                               OBJECT(fw_cfg));
475     s = SYS_BUS_DEVICE(dev);
476     sysbus_realize_and_unref(s, &error_fatal);
477     sysbus_mmio_map(s, 0, CFG_ADDR);
478     sysbus_mmio_map(s, 1, CFG_ADDR + 2);
479 
480     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
481     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)machine->smp.max_cpus);
482     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
483     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, machine_arch);
484     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
485     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
486     if (kernel_cmdline) {
487         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
488         pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
489     } else {
490         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
491     }
492     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
493     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
494     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
495 
496     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
497     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
498     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
499 
500     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_VIACONFIG, core99_machine->via_config);
501 
502     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
503     if (kvm_enabled()) {
504         uint8_t *hypercall;
505 
506         hypercall = g_malloc(16);
507         kvmppc_get_hypercall(env, hypercall, 16);
508         fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
509         fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
510     }
511     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq);
512     /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
513     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ);
514     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ);
515     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_NVRAM_ADDR, nvram_addr);
516 
517     /* MacOS NDRV VGA driver */
518     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, NDRV_VGA_FILENAME);
519     if (filename) {
520         gchar *ndrv_file;
521         gsize ndrv_size;
522 
523         if (g_file_get_contents(filename, &ndrv_file, &ndrv_size, NULL)) {
524             fw_cfg_add_file(fw_cfg, "ndrv/qemu_vga.ndrv", ndrv_file, ndrv_size);
525         }
526         g_free(filename);
527     }
528 
529     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
530 }
531 
532 /*
533  * Implementation of an interface to adjust firmware path
534  * for the bootindex property handling.
535  */
536 static char *core99_fw_dev_path(FWPathProvider *p, BusState *bus,
537                                 DeviceState *dev)
538 {
539     PCIDevice *pci;
540     MACIOIDEState *macio_ide;
541 
542     if (!strcmp(object_get_typename(OBJECT(dev)), "macio-newworld")) {
543         pci = PCI_DEVICE(dev);
544         return g_strdup_printf("mac-io@%x", PCI_SLOT(pci->devfn));
545     }
546 
547     if (!strcmp(object_get_typename(OBJECT(dev)), "macio-ide")) {
548         macio_ide = MACIO_IDE(dev);
549         return g_strdup_printf("ata-3@%x", macio_ide->addr);
550     }
551 
552     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-hd")) {
553         return g_strdup("disk");
554     }
555 
556     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
557         return g_strdup("cdrom");
558     }
559 
560     if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
561         return g_strdup("disk");
562     }
563 
564     return NULL;
565 }
566 static int core99_kvm_type(MachineState *machine, const char *arg)
567 {
568     /* Always force PR KVM */
569     return 2;
570 }
571 
572 static void core99_machine_class_init(ObjectClass *oc, void *data)
573 {
574     MachineClass *mc = MACHINE_CLASS(oc);
575     FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
576 
577     mc->desc = "Mac99 based PowerMAC";
578     mc->init = ppc_core99_init;
579     mc->block_default_type = IF_IDE;
580     mc->max_cpus = MAX_CPUS;
581     mc->default_boot_order = "cd";
582     mc->default_display = "std";
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