xref: /openbmc/qemu/hw/ppc/mac_newworld.c (revision 966f2ec3)
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 "qapi/error.h"
51 #include "hw/hw.h"
52 #include "hw/ppc/ppc.h"
53 #include "hw/ppc/mac.h"
54 #include "hw/input/adb.h"
55 #include "hw/ppc/mac_dbdma.h"
56 #include "hw/timer/m48t59.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/ide.h"
66 #include "hw/loader.h"
67 #include "hw/fw-path-provider.h"
68 #include "elf.h"
69 #include "qemu/error-report.h"
70 #include "sysemu/kvm.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     qemu_irq **openpic_irqs;
119     int linux_boot, i, j, k;
120     MemoryRegion *ram = g_new(MemoryRegion, 1), *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     NewWorldMacIOState *macio;
126     bool has_pmu, has_adb;
127     MACIOIDEState *macio_ide;
128     BusState *adb_bus;
129     MacIONVRAMState *nvr;
130     int bios_size, ndrv_size;
131     uint8_t *ndrv_file;
132     int ppc_boot_device;
133     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
134     void *fw_cfg;
135     int machine_arch;
136     SysBusDevice *s;
137     DeviceState *dev, *pic_dev;
138     hwaddr nvram_addr = 0xFFF04000;
139     uint64_t tbfreq;
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_allocate_system_memory(ram, NULL, "ppc_core99.ram", ram_size);
155     memory_region_add_subregion(get_system_memory(), 0, ram);
156 
157     /* allocate and load BIOS */
158     memory_region_init_ram(bios, NULL, "ppc_core99.bios", BIOS_SIZE,
159                            &error_fatal);
160 
161     if (bios_name == NULL)
162         bios_name = PROM_FILENAME;
163     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
164     memory_region_set_readonly(bios, true);
165     memory_region_add_subregion(get_system_memory(), PROM_ADDR, bios);
166 
167     /* Load OpenBIOS (ELF) */
168     if (filename) {
169         bios_size = load_elf(filename, NULL, NULL, NULL,
170                              NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0);
171 
172         g_free(filename);
173     } else {
174         bios_size = -1;
175     }
176     if (bios_size < 0 || bios_size > BIOS_SIZE) {
177         error_report("could not load PowerPC bios '%s'", bios_name);
178         exit(1);
179     }
180 
181     if (linux_boot) {
182         uint64_t lowaddr = 0;
183         int bswap_needed;
184 
185 #ifdef BSWAP_NEEDED
186         bswap_needed = 1;
187 #else
188         bswap_needed = 0;
189 #endif
190         kernel_base = KERNEL_LOAD_ADDR;
191 
192         kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL,
193                                NULL, &lowaddr, NULL, 1, PPC_ELF_MACHINE,
194                                0, 0);
195         if (kernel_size < 0)
196             kernel_size = load_aout(kernel_filename, kernel_base,
197                                     ram_size - kernel_base, bswap_needed,
198                                     TARGET_PAGE_SIZE);
199         if (kernel_size < 0)
200             kernel_size = load_image_targphys(kernel_filename,
201                                               kernel_base,
202                                               ram_size - kernel_base);
203         if (kernel_size < 0) {
204             error_report("could not load kernel '%s'", kernel_filename);
205             exit(1);
206         }
207         /* load initrd */
208         if (initrd_filename) {
209             initrd_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
210             initrd_size = load_image_targphys(initrd_filename, initrd_base,
211                                               ram_size - initrd_base);
212             if (initrd_size < 0) {
213                 error_report("could not load initial ram disk '%s'",
214                              initrd_filename);
215                 exit(1);
216             }
217             cmdline_base = TARGET_PAGE_ALIGN(initrd_base + initrd_size);
218         } else {
219             initrd_base = 0;
220             initrd_size = 0;
221             cmdline_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
222         }
223         ppc_boot_device = 'm';
224     } else {
225         kernel_base = 0;
226         kernel_size = 0;
227         initrd_base = 0;
228         initrd_size = 0;
229         ppc_boot_device = '\0';
230         /* We consider that NewWorld PowerMac never have any floppy drive
231          * For now, OHW cannot boot from the network.
232          */
233         for (i = 0; boot_device[i] != '\0'; i++) {
234             if (boot_device[i] >= 'c' && boot_device[i] <= 'f') {
235                 ppc_boot_device = boot_device[i];
236                 break;
237             }
238         }
239         if (ppc_boot_device == '\0') {
240             error_report("No valid boot device for Mac99 machine");
241             exit(1);
242         }
243     }
244 
245     /* UniN init */
246     dev = qdev_create(NULL, TYPE_UNI_NORTH);
247     qdev_init_nofail(dev);
248     s = SYS_BUS_DEVICE(dev);
249     memory_region_add_subregion(get_system_memory(), 0xf8000000,
250                                 sysbus_mmio_get_region(s, 0));
251 
252     openpic_irqs = g_malloc0(smp_cpus * sizeof(qemu_irq *));
253     openpic_irqs[0] =
254         g_malloc0(smp_cpus * sizeof(qemu_irq) * OPENPIC_OUTPUT_NB);
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] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
262             openpic_irqs[i][OPENPIC_OUTPUT_INT] =
263                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
264             openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
265                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
266             openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
267                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP];
268             /* Not connected ? */
269             openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
270             /* Check this */
271             openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
272                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET];
273             break;
274 #if defined(TARGET_PPC64)
275         case PPC_FLAGS_INPUT_970:
276             openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
277             openpic_irqs[i][OPENPIC_OUTPUT_INT] =
278                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
279             openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
280                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
281             openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
282                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP];
283             /* Not connected ? */
284             openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
285             /* Check this */
286             openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
287                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET];
288             break;
289 #endif /* defined(TARGET_PPC64) */
290         default:
291             error_report("Bus model not supported on mac99 machine");
292             exit(1);
293         }
294     }
295 
296     pic_dev = qdev_create(NULL, TYPE_OPENPIC);
297     qdev_prop_set_uint32(pic_dev, "model", OPENPIC_MODEL_KEYLARGO);
298     qdev_init_nofail(pic_dev);
299     s = SYS_BUS_DEVICE(pic_dev);
300     k = 0;
301     for (i = 0; i < smp_cpus; i++) {
302         for (j = 0; j < OPENPIC_OUTPUT_NB; j++) {
303             sysbus_connect_irq(s, k++, openpic_irqs[i][j]);
304         }
305     }
306 
307     if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) {
308         /* 970 gets a U3 bus */
309         /* Uninorth AGP bus */
310         dev = qdev_create(NULL, TYPE_U3_AGP_HOST_BRIDGE);
311         object_property_set_link(OBJECT(dev), OBJECT(pic_dev), "pic",
312                                  &error_abort);
313         qdev_init_nofail(dev);
314         uninorth_pci = U3_AGP_HOST_BRIDGE(dev);
315         s = SYS_BUS_DEVICE(dev);
316         /* PCI hole */
317         memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
318                                     sysbus_mmio_get_region(s, 2));
319         /* Register 8 MB of ISA IO space */
320         memory_region_add_subregion(get_system_memory(), 0xf2000000,
321                                     sysbus_mmio_get_region(s, 3));
322         sysbus_mmio_map(s, 0, 0xf0800000);
323         sysbus_mmio_map(s, 1, 0xf0c00000);
324 
325         machine_arch = ARCH_MAC99_U3;
326     } else {
327         /* Use values found on a real PowerMac */
328         /* Uninorth AGP bus */
329         dev = qdev_create(NULL, TYPE_UNI_NORTH_AGP_HOST_BRIDGE);
330         object_property_set_link(OBJECT(dev), OBJECT(pic_dev), "pic",
331                                  &error_abort);
332         qdev_init_nofail(dev);
333         s = SYS_BUS_DEVICE(dev);
334         sysbus_mmio_map(s, 0, 0xf0800000);
335         sysbus_mmio_map(s, 1, 0xf0c00000);
336 
337         /* Uninorth internal bus */
338         dev = qdev_create(NULL, TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE);
339         object_property_set_link(OBJECT(dev), OBJECT(pic_dev), "pic",
340                                  &error_abort);
341         qdev_init_nofail(dev);
342         s = SYS_BUS_DEVICE(dev);
343         sysbus_mmio_map(s, 0, 0xf4800000);
344         sysbus_mmio_map(s, 1, 0xf4c00000);
345 
346         /* Uninorth main bus */
347         dev = qdev_create(NULL, TYPE_UNI_NORTH_PCI_HOST_BRIDGE);
348         qdev_prop_set_uint32(dev, "ofw-addr", 0xf2000000);
349         object_property_set_link(OBJECT(dev), OBJECT(pic_dev), "pic",
350                                  &error_abort);
351         qdev_init_nofail(dev);
352         uninorth_pci = UNI_NORTH_PCI_HOST_BRIDGE(dev);
353         s = SYS_BUS_DEVICE(dev);
354         /* PCI hole */
355         memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
356                                     sysbus_mmio_get_region(s, 2));
357         /* Register 8 MB of ISA IO space */
358         memory_region_add_subregion(get_system_memory(), 0xf2000000,
359                                     sysbus_mmio_get_region(s, 3));
360         sysbus_mmio_map(s, 0, 0xf2800000);
361         sysbus_mmio_map(s, 1, 0xf2c00000);
362 
363         machine_arch = ARCH_MAC99;
364     }
365 
366     machine->usb |= defaults_enabled() && !machine->usb_disabled;
367     has_pmu = (core99_machine->via_config != CORE99_VIA_CONFIG_CUDA);
368     has_adb = (core99_machine->via_config == CORE99_VIA_CONFIG_CUDA ||
369                core99_machine->via_config == CORE99_VIA_CONFIG_PMU_ADB);
370 
371     /* Timebase Frequency */
372     if (kvm_enabled()) {
373         tbfreq = kvmppc_get_tbfreq();
374     } else {
375         tbfreq = TBFREQ;
376     }
377 
378     /* init basic PC hardware */
379     pci_bus = PCI_HOST_BRIDGE(uninorth_pci)->bus;
380 
381     /* MacIO */
382     macio = NEWWORLD_MACIO(pci_create(pci_bus, -1, TYPE_NEWWORLD_MACIO));
383     dev = DEVICE(macio);
384     qdev_prop_set_uint64(dev, "frequency", tbfreq);
385     qdev_prop_set_bit(dev, "has-pmu", has_pmu);
386     qdev_prop_set_bit(dev, "has-adb", has_adb);
387     object_property_set_link(OBJECT(macio), OBJECT(pic_dev), "pic",
388                              &error_abort);
389     qdev_init_nofail(dev);
390 
391     /* We only emulate 2 out of 3 IDE controllers for now */
392     ide_drive_get(hd, ARRAY_SIZE(hd));
393 
394     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
395                                                         "ide[0]"));
396     macio_ide_init_drives(macio_ide, hd);
397 
398     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
399                                                         "ide[1]"));
400     macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]);
401 
402     if (has_adb) {
403         if (has_pmu) {
404             dev = DEVICE(object_resolve_path_component(OBJECT(macio), "pmu"));
405         } else {
406             dev = DEVICE(object_resolve_path_component(OBJECT(macio), "cuda"));
407         }
408 
409         adb_bus = qdev_get_child_bus(dev, "adb.0");
410         dev = qdev_create(adb_bus, TYPE_ADB_KEYBOARD);
411         qdev_prop_set_bit(dev, "disable-direct-reg3-writes", true);
412         qdev_init_nofail(dev);
413 
414         dev = qdev_create(adb_bus, TYPE_ADB_MOUSE);
415         qdev_prop_set_bit(dev, "disable-direct-reg3-writes", true);
416         qdev_init_nofail(dev);
417     }
418 
419     if (machine->usb) {
420         pci_create_simple(pci_bus, -1, "pci-ohci");
421 
422         /* U3 needs to use USB for input because Linux doesn't support via-cuda
423         on PPC64 */
424         if (!has_adb || machine_arch == ARCH_MAC99_U3) {
425             USBBus *usb_bus = usb_bus_find(-1);
426 
427             usb_create_simple(usb_bus, "usb-kbd");
428             usb_create_simple(usb_bus, "usb-mouse");
429         }
430     }
431 
432     pci_vga_init(pci_bus);
433 
434     if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8) {
435         graphic_depth = 15;
436     }
437 
438     for (i = 0; i < nb_nics; i++) {
439         pci_nic_init_nofail(&nd_table[i], pci_bus, "ne2k_pci", NULL);
440     }
441 
442     /* The NewWorld NVRAM is not located in the MacIO device */
443 #ifdef CONFIG_KVM
444     if (kvm_enabled() && getpagesize() > 4096) {
445         /* We can't combine read-write and read-only in a single page, so
446            move the NVRAM out of ROM again for KVM */
447         nvram_addr = 0xFFE00000;
448     }
449 #endif
450     dev = qdev_create(NULL, TYPE_MACIO_NVRAM);
451     qdev_prop_set_uint32(dev, "size", 0x2000);
452     qdev_prop_set_uint32(dev, "it_shift", 1);
453     qdev_init_nofail(dev);
454     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, nvram_addr);
455     nvr = MACIO_NVRAM(dev);
456     pmac_format_nvram_partition(nvr, 0x2000);
457     /* No PCI init: the BIOS will do it */
458 
459     dev = qdev_create(NULL, TYPE_FW_CFG_MEM);
460     fw_cfg = FW_CFG(dev);
461     qdev_prop_set_uint32(dev, "data_width", 1);
462     qdev_prop_set_bit(dev, "dma_enabled", false);
463     object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
464                               OBJECT(fw_cfg), NULL);
465     qdev_init_nofail(dev);
466     s = SYS_BUS_DEVICE(dev);
467     sysbus_mmio_map(s, 0, CFG_ADDR);
468     sysbus_mmio_map(s, 1, CFG_ADDR + 2);
469 
470     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
471     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
472     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
473     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, machine_arch);
474     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
475     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
476     if (kernel_cmdline) {
477         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
478         pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
479     } else {
480         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
481     }
482     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
483     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
484     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
485 
486     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
487     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
488     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
489 
490     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_VIACONFIG, core99_machine->via_config);
491 
492     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
493     if (kvm_enabled()) {
494 #ifdef CONFIG_KVM
495         uint8_t *hypercall;
496 
497         hypercall = g_malloc(16);
498         kvmppc_get_hypercall(env, hypercall, 16);
499         fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
500         fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
501 #endif
502     }
503     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq);
504     /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
505     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ);
506     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ);
507     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_NVRAM_ADDR, nvram_addr);
508 
509     /* MacOS NDRV VGA driver */
510     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, NDRV_VGA_FILENAME);
511     if (filename) {
512         ndrv_size = get_image_size(filename);
513         if (ndrv_size != -1) {
514             ndrv_file = g_malloc(ndrv_size);
515             ndrv_size = load_image(filename, ndrv_file);
516 
517             fw_cfg_add_file(fw_cfg, "ndrv/qemu_vga.ndrv", ndrv_file, ndrv_size);
518         }
519         g_free(filename);
520     }
521 
522     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
523 }
524 
525 /*
526  * Implementation of an interface to adjust firmware path
527  * for the bootindex property handling.
528  */
529 static char *core99_fw_dev_path(FWPathProvider *p, BusState *bus,
530                                 DeviceState *dev)
531 {
532     PCIDevice *pci;
533     IDEBus *ide_bus;
534     IDEState *ide_s;
535     MACIOIDEState *macio_ide;
536 
537     if (!strcmp(object_get_typename(OBJECT(dev)), "macio-newworld")) {
538         pci = PCI_DEVICE(dev);
539         return g_strdup_printf("mac-io@%x", PCI_SLOT(pci->devfn));
540     }
541 
542     if (!strcmp(object_get_typename(OBJECT(dev)), "macio-ide")) {
543         macio_ide = MACIO_IDE(dev);
544         return g_strdup_printf("ata-3@%x", macio_ide->addr);
545     }
546 
547     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-drive")) {
548         ide_bus = IDE_BUS(qdev_get_parent_bus(dev));
549         ide_s = idebus_active_if(ide_bus);
550 
551         if (ide_s->drive_kind == IDE_CD) {
552             return g_strdup("cdrom");
553         }
554 
555         return g_strdup("hd");
556     }
557 
558     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-hd")) {
559         return g_strdup("hd");
560     }
561 
562     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
563         return g_strdup("cdrom");
564     }
565 
566     if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
567         return g_strdup("disk");
568     }
569 
570     return NULL;
571 }
572 
573 static int core99_kvm_type(const char *arg)
574 {
575     /* Always force PR KVM */
576     return 2;
577 }
578 
579 static void core99_machine_class_init(ObjectClass *oc, void *data)
580 {
581     MachineClass *mc = MACHINE_CLASS(oc);
582     FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
583 
584     mc->desc = "Mac99 based PowerMAC";
585     mc->init = ppc_core99_init;
586     mc->block_default_type = IF_IDE;
587     mc->max_cpus = MAX_CPUS;
588     mc->default_boot_order = "cd";
589     mc->default_display = "std";
590     mc->kvm_type = core99_kvm_type;
591 #ifdef TARGET_PPC64
592     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("970fx_v3.1");
593 #else
594     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("7400_v2.9");
595 #endif
596     mc->ignore_boot_device_suffixes = true;
597     fwc->get_dev_path = core99_fw_dev_path;
598 }
599 
600 static char *core99_get_via_config(Object *obj, Error **errp)
601 {
602     Core99MachineState *cms = CORE99_MACHINE(obj);
603 
604     switch (cms->via_config) {
605     default:
606     case CORE99_VIA_CONFIG_CUDA:
607         return g_strdup("cuda");
608 
609     case CORE99_VIA_CONFIG_PMU:
610         return g_strdup("pmu");
611 
612     case CORE99_VIA_CONFIG_PMU_ADB:
613         return g_strdup("pmu-adb");
614     }
615 }
616 
617 static void core99_set_via_config(Object *obj, const char *value, Error **errp)
618 {
619     Core99MachineState *cms = CORE99_MACHINE(obj);
620 
621     if (!strcmp(value, "cuda")) {
622         cms->via_config = CORE99_VIA_CONFIG_CUDA;
623     } else if (!strcmp(value, "pmu")) {
624         cms->via_config = CORE99_VIA_CONFIG_PMU;
625     } else if (!strcmp(value, "pmu-adb")) {
626         cms->via_config = CORE99_VIA_CONFIG_PMU_ADB;
627     } else {
628         error_setg(errp, "Invalid via value");
629         error_append_hint(errp, "Valid values are cuda, pmu, pmu-adb.\n");
630     }
631 }
632 
633 static void core99_instance_init(Object *obj)
634 {
635     Core99MachineState *cms = CORE99_MACHINE(obj);
636 
637     /* Default via_config is CORE99_VIA_CONFIG_CUDA */
638     cms->via_config = CORE99_VIA_CONFIG_CUDA;
639     object_property_add_str(obj, "via", core99_get_via_config,
640                             core99_set_via_config, NULL);
641     object_property_set_description(obj, "via",
642                                     "Set VIA configuration. "
643                                     "Valid values are cuda, pmu and pmu-adb",
644                                     NULL);
645 
646     return;
647 }
648 
649 static const TypeInfo core99_machine_info = {
650     .name          = MACHINE_TYPE_NAME("mac99"),
651     .parent        = TYPE_MACHINE,
652     .class_init    = core99_machine_class_init,
653     .instance_init = core99_instance_init,
654     .instance_size = sizeof(Core99MachineState),
655     .interfaces = (InterfaceInfo[]) {
656         { TYPE_FW_PATH_PROVIDER },
657         { }
658     },
659 };
660 
661 static void mac_machine_register_types(void)
662 {
663     type_register_static(&core99_machine_info);
664 }
665 
666 type_init(mac_machine_register_types)
667