xref: /openbmc/qemu/hw/ppc/mac_newworld.c (revision 87e5a4f8c23236a559c63ca089c35d3e6066d3df)
1 /*
2  * QEMU PowerPC CHRP (currently NewWorld PowerMac) hardware System Emulator
3  *
4  * Copyright (c) 2004-2007 Fabrice Bellard
5  * Copyright (c) 2007 Jocelyn Mayer
6  *
7  * Permission is hereby granted, free of charge, to any person obtaining a copy
8  * of this software and associated documentation files (the "Software"), to deal
9  * in the Software without restriction, including without limitation the rights
10  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11  * copies of the Software, and to permit persons to whom the Software is
12  * furnished to do so, subject to the following conditions:
13  *
14  * The above copyright notice and this permission notice shall be included in
15  * all copies or substantial portions of the Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23  * THE SOFTWARE.
24  *
25  * PCI bus layout on a real G5 (U3 based):
26  *
27  * 0000:f0:0b.0 Host bridge [0600]: Apple Computer Inc. U3 AGP [106b:004b]
28  * 0000:f0:10.0 VGA compatible controller [0300]: ATI Technologies Inc RV350 AP [Radeon 9600] [1002:4150]
29  * 0001:00:00.0 Host bridge [0600]: Apple Computer Inc. CPC945 HT Bridge [106b:004a]
30  * 0001:00:01.0 PCI bridge [0604]: Advanced Micro Devices [AMD] AMD-8131 PCI-X Bridge [1022:7450] (rev 12)
31  * 0001:00:02.0 PCI bridge [0604]: Advanced Micro Devices [AMD] AMD-8131 PCI-X Bridge [1022:7450] (rev 12)
32  * 0001:00:03.0 PCI bridge [0604]: Apple Computer Inc. K2 HT-PCI Bridge [106b:0045]
33  * 0001:00:04.0 PCI bridge [0604]: Apple Computer Inc. K2 HT-PCI Bridge [106b:0046]
34  * 0001:00:05.0 PCI bridge [0604]: Apple Computer Inc. K2 HT-PCI Bridge [106b:0047]
35  * 0001:00:06.0 PCI bridge [0604]: Apple Computer Inc. K2 HT-PCI Bridge [106b:0048]
36  * 0001:00:07.0 PCI bridge [0604]: Apple Computer Inc. K2 HT-PCI Bridge [106b:0049]
37  * 0001:01:07.0 Class [ff00]: Apple Computer Inc. K2 KeyLargo Mac/IO [106b:0041] (rev 20)
38  * 0001:01:08.0 USB Controller [0c03]: Apple Computer Inc. K2 KeyLargo USB [106b:0040]
39  * 0001:01:09.0 USB Controller [0c03]: Apple Computer Inc. K2 KeyLargo USB [106b:0040]
40  * 0001:02:0b.0 USB Controller [0c03]: NEC Corporation USB [1033:0035] (rev 43)
41  * 0001:02:0b.1 USB Controller [0c03]: NEC Corporation USB [1033:0035] (rev 43)
42  * 0001:02:0b.2 USB Controller [0c03]: NEC Corporation USB 2.0 [1033:00e0] (rev 04)
43  * 0001:03:0d.0 Class [ff00]: Apple Computer Inc. K2 ATA/100 [106b:0043]
44  * 0001:03:0e.0 FireWire (IEEE 1394) [0c00]: Apple Computer Inc. K2 FireWire [106b:0042]
45  * 0001:04:0f.0 Ethernet controller [0200]: Apple Computer Inc. K2 GMAC (Sun GEM) [106b:004c]
46  * 0001:05:0c.0 IDE interface [0101]: Broadcom K2 SATA [1166:0240]
47  */
48 
49 #include "qemu/osdep.h"
50 #include "qemu/datadir.h"
51 #include "qemu/units.h"
52 #include "qapi/error.h"
53 #include "hw/ppc/ppc.h"
54 #include "hw/qdev-properties.h"
55 #include "hw/ppc/mac.h"
56 #include "hw/boards.h"
57 #include "hw/pci-host/uninorth.h"
58 #include "hw/input/adb.h"
59 #include "hw/ppc/mac_dbdma.h"
60 #include "hw/pci/pci.h"
61 #include "net/net.h"
62 #include "sysemu/sysemu.h"
63 #include "hw/nvram/fw_cfg.h"
64 #include "hw/char/escc.h"
65 #include "hw/misc/macio/macio.h"
66 #include "hw/ppc/openpic.h"
67 #include "hw/loader.h"
68 #include "hw/fw-path-provider.h"
69 #include "elf.h"
70 #include "qemu/error-report.h"
71 #include "sysemu/kvm.h"
72 #include "sysemu/reset.h"
73 #include "kvm_ppc.h"
74 #include "hw/usb.h"
75 #include "hw/sysbus.h"
76 #include "trace.h"
77 
78 #define MAX_IDE_BUS 2
79 #define CFG_ADDR 0xf0000510
80 #define TBFREQ (100UL * 1000UL * 1000UL)
81 #define CLOCKFREQ (900UL * 1000UL * 1000UL)
82 #define BUSFREQ (100UL * 1000UL * 1000UL)
83 
84 #define NDRV_VGA_FILENAME "qemu_vga.ndrv"
85 
86 #define PROM_BASE 0xfff00000
87 #define PROM_SIZE (1 * MiB)
88 
89 #define TYPE_CORE99_MACHINE MACHINE_TYPE_NAME("mac99")
90 typedef struct Core99MachineState Core99MachineState;
91 DECLARE_INSTANCE_CHECKER(Core99MachineState, CORE99_MACHINE,
92                          TYPE_CORE99_MACHINE)
93 
94 #define CORE99_VIA_CONFIG_CUDA     0x0
95 #define CORE99_VIA_CONFIG_PMU      0x1
96 #define CORE99_VIA_CONFIG_PMU_ADB  0x2
97 
98 struct Core99MachineState {
99     /*< private >*/
100     MachineState parent;
101 
102     uint8_t via_config;
103 };
104 
105 static void fw_cfg_boot_set(void *opaque, const char *boot_device,
106                             Error **errp)
107 {
108     fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
109 }
110 
111 static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
112 {
113     return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR;
114 }
115 
116 static void ppc_core99_reset(void *opaque)
117 {
118     PowerPCCPU *cpu = opaque;
119 
120     cpu_reset(CPU(cpu));
121     /* 970 CPUs want to get their initial IP as part of their boot protocol */
122     cpu->env.nip = PROM_BASE + 0x100;
123 }
124 
125 /* PowerPC Mac99 hardware initialisation */
126 static void ppc_core99_init(MachineState *machine)
127 {
128     Core99MachineState *core99_machine = CORE99_MACHINE(machine);
129     PowerPCCPU *cpu = NULL;
130     CPUPPCState *env = NULL;
131     char *filename;
132     IrqLines *openpic_irqs;
133     int i, j, k, ppc_boot_device, machine_arch, bios_size = -1;
134     const char *bios_name = machine->firmware ?: PROM_FILENAME;
135     MemoryRegion *bios = g_new(MemoryRegion, 1);
136     hwaddr kernel_base = 0, initrd_base = 0, cmdline_base = 0;
137     long kernel_size = 0, initrd_size = 0;
138     PCIBus *pci_bus;
139     bool has_pmu, has_adb;
140     Object *macio;
141     MACIOIDEState *macio_ide;
142     BusState *adb_bus;
143     MacIONVRAMState *nvr;
144     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
145     void *fw_cfg;
146     SysBusDevice *s;
147     DeviceState *dev, *pic_dev, *uninorth_pci_dev;
148     DeviceState *uninorth_internal_dev = NULL, *uninorth_agp_dev = NULL;
149     hwaddr nvram_addr = 0xFFF04000;
150     uint64_t tbfreq = kvm_enabled() ? kvmppc_get_tbfreq() : TBFREQ;
151 
152     /* init CPUs */
153     for (i = 0; i < machine->smp.cpus; i++) {
154         cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
155         env = &cpu->env;
156 
157         /* Set time-base frequency to 100 Mhz */
158         cpu_ppc_tb_init(env, TBFREQ);
159         qemu_register_reset(ppc_core99_reset, cpu);
160     }
161 
162     /* allocate RAM */
163     if (machine->ram_size > 2 * GiB) {
164         error_report("RAM size more than 2 GiB is not supported");
165         exit(1);
166     }
167     memory_region_add_subregion(get_system_memory(), 0, machine->ram);
168 
169     /* allocate and load firmware ROM */
170     memory_region_init_rom(bios, NULL, "ppc_core99.bios", PROM_SIZE,
171                            &error_fatal);
172     memory_region_add_subregion(get_system_memory(), PROM_BASE, bios);
173 
174     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
175     if (filename) {
176         /* Load OpenBIOS (ELF) */
177         bios_size = load_elf(filename, NULL, NULL, NULL, NULL,
178                              NULL, NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0);
179 
180         if (bios_size <= 0) {
181             /* or load binary ROM image */
182             bios_size = load_image_targphys(filename, PROM_BASE, PROM_SIZE);
183         }
184         g_free(filename);
185     }
186     if (bios_size < 0 || bios_size > PROM_SIZE) {
187         error_report("could not load PowerPC bios '%s'", bios_name);
188         exit(1);
189     }
190 
191     if (machine->kernel_filename) {
192         int bswap_needed = 0;
193 
194 #ifdef BSWAP_NEEDED
195         bswap_needed = 1;
196 #endif
197         kernel_base = KERNEL_LOAD_ADDR;
198         kernel_size = load_elf(machine->kernel_filename, NULL,
199                                translate_kernel_address, NULL, NULL, NULL,
200                                NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0);
201         if (kernel_size < 0)
202             kernel_size = load_aout(machine->kernel_filename, kernel_base,
203                                     machine->ram_size - kernel_base,
204                                     bswap_needed, TARGET_PAGE_SIZE);
205         if (kernel_size < 0)
206             kernel_size = load_image_targphys(machine->kernel_filename,
207                                               kernel_base,
208                                               machine->ram_size - kernel_base);
209         if (kernel_size < 0) {
210             error_report("could not load kernel '%s'",
211                          machine->kernel_filename);
212             exit(1);
213         }
214         /* load initrd */
215         if (machine->initrd_filename) {
216             initrd_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
217             initrd_size = load_image_targphys(machine->initrd_filename,
218                                               initrd_base,
219                                               machine->ram_size - initrd_base);
220             if (initrd_size < 0) {
221                 error_report("could not load initial ram disk '%s'",
222                              machine->initrd_filename);
223                 exit(1);
224             }
225             cmdline_base = TARGET_PAGE_ALIGN(initrd_base + initrd_size);
226         } else {
227             cmdline_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
228         }
229         ppc_boot_device = 'm';
230     } else {
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; machine->boot_config.order[i] != '\0'; i++) {
236             if (machine->boot_config.order[i] >= 'c' &&
237                 machine->boot_config.order[i] <= 'f') {
238                 ppc_boot_device = machine->boot_config.order[i];
239                 break;
240             }
241         }
242         if (ppc_boot_device == '\0') {
243             error_report("No valid boot device for Mac99 machine");
244             exit(1);
245         }
246     }
247 
248     openpic_irqs = g_new0(IrqLines, machine->smp.cpus);
249     dev = DEVICE(cpu);
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(dev, PPC6xx_INPUT_INT);
258             openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
259                  qdev_get_gpio_in(dev, PPC6xx_INPUT_INT);
260             openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
261                 qdev_get_gpio_in(dev, 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(dev, 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(dev, PPC970_INPUT_INT);
272             openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
273                 qdev_get_gpio_in(dev, PPC970_INPUT_INT);
274             openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
275                 qdev_get_gpio_in(dev, 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(dev, 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     /* UniN init */
290     s = SYS_BUS_DEVICE(qdev_new(TYPE_UNI_NORTH));
291     sysbus_realize_and_unref(s, &error_fatal);
292     memory_region_add_subregion(get_system_memory(), 0xf8000000,
293                                 sysbus_mmio_get_region(s, 0));
294 
295     if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) {
296         machine_arch = ARCH_MAC99_U3;
297         /* 970 gets a U3 bus */
298         /* Uninorth AGP bus */
299         uninorth_pci_dev = qdev_new(TYPE_U3_AGP_HOST_BRIDGE);
300         s = SYS_BUS_DEVICE(uninorth_pci_dev);
301         sysbus_realize_and_unref(s, &error_fatal);
302         sysbus_mmio_map(s, 0, 0xf0800000);
303         sysbus_mmio_map(s, 1, 0xf0c00000);
304         /* PCI hole */
305         memory_region_add_subregion(get_system_memory(), 0x80000000,
306                                     sysbus_mmio_get_region(s, 2));
307         /* Register 8 MB of ISA IO space */
308         memory_region_add_subregion(get_system_memory(), 0xf2000000,
309                                     sysbus_mmio_get_region(s, 3));
310     } else {
311         machine_arch = ARCH_MAC99;
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 - this must be last to make it the default */
329         uninorth_pci_dev = qdev_new(TYPE_UNI_NORTH_PCI_HOST_BRIDGE);
330         qdev_prop_set_uint32(uninorth_pci_dev, "ofw-addr", 0xf2000000);
331         s = SYS_BUS_DEVICE(uninorth_pci_dev);
332         sysbus_realize_and_unref(s, &error_fatal);
333         sysbus_mmio_map(s, 0, 0xf2800000);
334         sysbus_mmio_map(s, 1, 0xf2c00000);
335         /* PCI hole */
336         memory_region_add_subregion(get_system_memory(), 0x80000000,
337                                     sysbus_mmio_get_region(s, 2));
338         /* Register 8 MB of ISA IO space */
339         memory_region_add_subregion(get_system_memory(), 0xf2000000,
340                                     sysbus_mmio_get_region(s, 3));
341     }
342 
343     machine->usb |= defaults_enabled() && !machine->usb_disabled;
344     has_pmu = (core99_machine->via_config != CORE99_VIA_CONFIG_CUDA);
345     has_adb = (core99_machine->via_config == CORE99_VIA_CONFIG_CUDA ||
346                core99_machine->via_config == CORE99_VIA_CONFIG_PMU_ADB);
347 
348     /* init basic PC hardware */
349     pci_bus = PCI_HOST_BRIDGE(uninorth_pci_dev)->bus;
350 
351     /* MacIO */
352     macio = OBJECT(pci_new(-1, TYPE_NEWWORLD_MACIO));
353     dev = DEVICE(macio);
354     qdev_prop_set_uint64(dev, "frequency", tbfreq);
355     qdev_prop_set_bit(dev, "has-pmu", has_pmu);
356     qdev_prop_set_bit(dev, "has-adb", has_adb);
357 
358     dev = DEVICE(object_resolve_path_component(macio, "escc"));
359     qdev_prop_set_chr(dev, "chrA", serial_hd(0));
360     qdev_prop_set_chr(dev, "chrB", serial_hd(1));
361 
362     pci_realize_and_unref(PCI_DEVICE(macio), pci_bus, &error_fatal);
363 
364     pic_dev = DEVICE(object_resolve_path_component(macio, "pic"));
365     for (i = 0; i < 4; i++) {
366         qdev_connect_gpio_out(uninorth_pci_dev, i,
367                               qdev_get_gpio_in(pic_dev, 0x1b + i));
368     }
369 
370     /* TODO: additional PCI buses only wired up for 32-bit machines */
371     if (PPC_INPUT(env) != PPC_FLAGS_INPUT_970) {
372         /* Uninorth AGP bus */
373         for (i = 0; i < 4; i++) {
374             qdev_connect_gpio_out(uninorth_agp_dev, i,
375                                   qdev_get_gpio_in(pic_dev, 0x1b + i));
376         }
377 
378         /* Uninorth internal bus */
379         for (i = 0; i < 4; i++) {
380             qdev_connect_gpio_out(uninorth_internal_dev, i,
381                                   qdev_get_gpio_in(pic_dev, 0x1b + i));
382         }
383     }
384 
385     /* OpenPIC */
386     s = SYS_BUS_DEVICE(pic_dev);
387     k = 0;
388     for (i = 0; i < machine->smp.cpus; i++) {
389         for (j = 0; j < OPENPIC_OUTPUT_NB; j++) {
390             sysbus_connect_irq(s, k++, openpic_irqs[i].irq[j]);
391         }
392     }
393     g_free(openpic_irqs);
394 
395     /* We only emulate 2 out of 3 IDE controllers for now */
396     ide_drive_get(hd, ARRAY_SIZE(hd));
397 
398     macio_ide = MACIO_IDE(object_resolve_path_component(macio, "ide[0]"));
399     macio_ide_init_drives(macio_ide, hd);
400 
401     macio_ide = MACIO_IDE(object_resolve_path_component(macio, "ide[1]"));
402     macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]);
403 
404     if (has_adb) {
405         if (has_pmu) {
406             dev = DEVICE(object_resolve_path_component(macio, "pmu"));
407         } else {
408             dev = DEVICE(object_resolve_path_component(macio, "cuda"));
409         }
410 
411         adb_bus = qdev_get_child_bus(dev, "adb.0");
412         dev = qdev_new(TYPE_ADB_KEYBOARD);
413         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
414 
415         dev = qdev_new(TYPE_ADB_MOUSE);
416         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
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, "sungem", NULL);
440     }
441 
442     /* The NewWorld NVRAM is not located in the MacIO device */
443     if (kvm_enabled() && qemu_real_host_page_size() > 4096) {
444         /* We can't combine read-write and read-only in a single page, so
445            move the NVRAM out of ROM again for KVM */
446         nvram_addr = 0xFFE00000;
447     }
448     dev = qdev_new(TYPE_MACIO_NVRAM);
449     qdev_prop_set_uint32(dev, "size", 0x2000);
450     qdev_prop_set_uint32(dev, "it_shift", 1);
451     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
452     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, nvram_addr);
453     nvr = MACIO_NVRAM(dev);
454     pmac_format_nvram_partition(nvr, 0x2000);
455     /* No PCI init: the BIOS will do it */
456 
457     dev = qdev_new(TYPE_FW_CFG_MEM);
458     fw_cfg = FW_CFG(dev);
459     qdev_prop_set_uint32(dev, "data_width", 1);
460     qdev_prop_set_bit(dev, "dma_enabled", false);
461     object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
462                               OBJECT(fw_cfg));
463     s = SYS_BUS_DEVICE(dev);
464     sysbus_realize_and_unref(s, &error_fatal);
465     sysbus_mmio_map(s, 0, CFG_ADDR);
466     sysbus_mmio_map(s, 1, CFG_ADDR + 2);
467 
468     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)machine->smp.cpus);
469     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)machine->smp.max_cpus);
470     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)machine->ram_size);
471     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, machine_arch);
472     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
473     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
474     if (machine->kernel_cmdline) {
475         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
476         pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE,
477                          machine->kernel_cmdline);
478     } else {
479         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
480     }
481     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
482     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
483     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
484 
485     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
486     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
487     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
488 
489     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_VIACONFIG, core99_machine->via_config);
490 
491     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
492     if (kvm_enabled()) {
493         uint8_t *hypercall;
494 
495         hypercall = g_malloc(16);
496         kvmppc_get_hypercall(env, hypercall, 16);
497         fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
498         fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
499     }
500     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq);
501     /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
502     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ);
503     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ);
504     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_NVRAM_ADDR, nvram_addr);
505 
506     /* MacOS NDRV VGA driver */
507     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, NDRV_VGA_FILENAME);
508     if (filename) {
509         gchar *ndrv_file;
510         gsize ndrv_size;
511 
512         if (g_file_get_contents(filename, &ndrv_file, &ndrv_size, NULL)) {
513             fw_cfg_add_file(fw_cfg, "ndrv/qemu_vga.ndrv", ndrv_file, ndrv_size);
514         }
515         g_free(filename);
516     }
517 
518     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
519 }
520 
521 /*
522  * Implementation of an interface to adjust firmware path
523  * for the bootindex property handling.
524  */
525 static char *core99_fw_dev_path(FWPathProvider *p, BusState *bus,
526                                 DeviceState *dev)
527 {
528     PCIDevice *pci;
529     MACIOIDEState *macio_ide;
530 
531     if (!strcmp(object_get_typename(OBJECT(dev)), "macio-newworld")) {
532         pci = PCI_DEVICE(dev);
533         return g_strdup_printf("mac-io@%x", PCI_SLOT(pci->devfn));
534     }
535 
536     if (!strcmp(object_get_typename(OBJECT(dev)), "macio-ide")) {
537         macio_ide = MACIO_IDE(dev);
538         return g_strdup_printf("ata-3@%x", macio_ide->addr);
539     }
540 
541     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-hd")) {
542         return g_strdup("disk");
543     }
544 
545     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
546         return g_strdup("cdrom");
547     }
548 
549     if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
550         return g_strdup("disk");
551     }
552 
553     return NULL;
554 }
555 static int core99_kvm_type(MachineState *machine, const char *arg)
556 {
557     /* Always force PR KVM */
558     return 2;
559 }
560 
561 static void core99_machine_class_init(ObjectClass *oc, void *data)
562 {
563     MachineClass *mc = MACHINE_CLASS(oc);
564     FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
565 
566     mc->desc = "Mac99 based PowerMAC";
567     mc->init = ppc_core99_init;
568     mc->block_default_type = IF_IDE;
569     /* SMP is not supported currently */
570     mc->max_cpus = 1;
571     mc->default_boot_order = "cd";
572     mc->default_display = "std";
573     mc->kvm_type = core99_kvm_type;
574 #ifdef TARGET_PPC64
575     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("970fx_v3.1");
576 #else
577     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("7400_v2.9");
578 #endif
579     mc->default_ram_id = "ppc_core99.ram";
580     mc->ignore_boot_device_suffixes = true;
581     fwc->get_dev_path = core99_fw_dev_path;
582 }
583 
584 static char *core99_get_via_config(Object *obj, Error **errp)
585 {
586     Core99MachineState *cms = CORE99_MACHINE(obj);
587 
588     switch (cms->via_config) {
589     default:
590     case CORE99_VIA_CONFIG_CUDA:
591         return g_strdup("cuda");
592 
593     case CORE99_VIA_CONFIG_PMU:
594         return g_strdup("pmu");
595 
596     case CORE99_VIA_CONFIG_PMU_ADB:
597         return g_strdup("pmu-adb");
598     }
599 }
600 
601 static void core99_set_via_config(Object *obj, const char *value, Error **errp)
602 {
603     Core99MachineState *cms = CORE99_MACHINE(obj);
604 
605     if (!strcmp(value, "cuda")) {
606         cms->via_config = CORE99_VIA_CONFIG_CUDA;
607     } else if (!strcmp(value, "pmu")) {
608         cms->via_config = CORE99_VIA_CONFIG_PMU;
609     } else if (!strcmp(value, "pmu-adb")) {
610         cms->via_config = CORE99_VIA_CONFIG_PMU_ADB;
611     } else {
612         error_setg(errp, "Invalid via value");
613         error_append_hint(errp, "Valid values are cuda, pmu, pmu-adb.\n");
614     }
615 }
616 
617 static void core99_instance_init(Object *obj)
618 {
619     Core99MachineState *cms = CORE99_MACHINE(obj);
620 
621     /* Default via_config is CORE99_VIA_CONFIG_CUDA */
622     cms->via_config = CORE99_VIA_CONFIG_CUDA;
623     object_property_add_str(obj, "via", core99_get_via_config,
624                             core99_set_via_config);
625     object_property_set_description(obj, "via",
626                                     "Set VIA configuration. "
627                                     "Valid values are cuda, pmu and pmu-adb");
628 
629     return;
630 }
631 
632 static const TypeInfo core99_machine_info = {
633     .name          = MACHINE_TYPE_NAME("mac99"),
634     .parent        = TYPE_MACHINE,
635     .class_init    = core99_machine_class_init,
636     .instance_init = core99_instance_init,
637     .instance_size = sizeof(Core99MachineState),
638     .interfaces = (InterfaceInfo[]) {
639         { TYPE_FW_PATH_PROVIDER },
640         { }
641     },
642 };
643 
644 static void mac_machine_register_types(void)
645 {
646     type_register_static(&core99_machine_info);
647 }
648 
649 type_init(mac_machine_register_types)
650