xref: /openbmc/qemu/hw/ppc/mac_newworld.c (revision 93e0932b)
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/nvram/mac_nvram.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_FILENAME "openbios-ppc"
87 #define PROM_BASE 0xfff00000
88 #define PROM_SIZE (1 * MiB)
89 
90 #define KERNEL_LOAD_ADDR 0x01000000
91 #define KERNEL_GAP       0x00100000
92 
93 #define TYPE_CORE99_MACHINE MACHINE_TYPE_NAME("mac99")
94 typedef struct Core99MachineState Core99MachineState;
95 DECLARE_INSTANCE_CHECKER(Core99MachineState, CORE99_MACHINE,
96                          TYPE_CORE99_MACHINE)
97 
98 typedef enum {
99     CORE99_VIA_CONFIG_CUDA = 0,
100     CORE99_VIA_CONFIG_PMU,
101     CORE99_VIA_CONFIG_PMU_ADB
102 } Core99ViaConfig;
103 
104 struct Core99MachineState {
105     /*< private >*/
106     MachineState parent;
107 
108     Core99ViaConfig via_config;
109 };
110 
111 static void fw_cfg_boot_set(void *opaque, const char *boot_device,
112                             Error **errp)
113 {
114     fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
115 }
116 
117 static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
118 {
119     return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR;
120 }
121 
122 static void ppc_core99_reset(void *opaque)
123 {
124     PowerPCCPU *cpu = opaque;
125 
126     cpu_reset(CPU(cpu));
127     /* 970 CPUs want to get their initial IP as part of their boot protocol */
128     cpu->env.nip = PROM_BASE + 0x100;
129 }
130 
131 /* PowerPC Mac99 hardware initialisation */
132 static void ppc_core99_init(MachineState *machine)
133 {
134     Core99MachineState *core99_machine = CORE99_MACHINE(machine);
135     PowerPCCPU *cpu = NULL;
136     CPUPPCState *env = NULL;
137     char *filename;
138     IrqLines *openpic_irqs;
139     int i, j, k, ppc_boot_device, machine_arch, bios_size = -1;
140     const char *bios_name = machine->firmware ?: PROM_FILENAME;
141     MemoryRegion *bios = g_new(MemoryRegion, 1);
142     hwaddr kernel_base = 0, initrd_base = 0, cmdline_base = 0;
143     long kernel_size = 0, initrd_size = 0;
144     PCIBus *pci_bus;
145     bool has_pmu, has_adb;
146     Object *macio;
147     MACIOIDEState *macio_ide;
148     BusState *adb_bus;
149     MacIONVRAMState *nvr;
150     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
151     void *fw_cfg;
152     SysBusDevice *s;
153     DeviceState *dev, *pic_dev, *uninorth_pci_dev;
154     DeviceState *uninorth_internal_dev = NULL, *uninorth_agp_dev = NULL;
155     hwaddr nvram_addr = 0xFFF04000;
156     uint64_t tbfreq = kvm_enabled() ? kvmppc_get_tbfreq() : TBFREQ;
157 
158     /* init CPUs */
159     for (i = 0; i < machine->smp.cpus; i++) {
160         cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
161         env = &cpu->env;
162 
163         /* Set time-base frequency to 100 Mhz */
164         cpu_ppc_tb_init(env, TBFREQ);
165         qemu_register_reset(ppc_core99_reset, cpu);
166     }
167 
168     /* allocate RAM */
169     if (machine->ram_size > 2 * GiB) {
170         error_report("RAM size more than 2 GiB is not supported");
171         exit(1);
172     }
173     memory_region_add_subregion(get_system_memory(), 0, machine->ram);
174 
175     /* allocate and load firmware ROM */
176     memory_region_init_rom(bios, NULL, "ppc_core99.bios", PROM_SIZE,
177                            &error_fatal);
178     memory_region_add_subregion(get_system_memory(), PROM_BASE, bios);
179 
180     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
181     if (filename) {
182         /* Load OpenBIOS (ELF) */
183         bios_size = load_elf(filename, NULL, NULL, NULL, NULL,
184                              NULL, NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0);
185 
186         if (bios_size <= 0) {
187             /* or load binary ROM image */
188             bios_size = load_image_targphys(filename, PROM_BASE, PROM_SIZE);
189         }
190         g_free(filename);
191     }
192     if (bios_size < 0 || bios_size > PROM_SIZE) {
193         error_report("could not load PowerPC bios '%s'", bios_name);
194         exit(1);
195     }
196 
197     if (machine->kernel_filename) {
198         int bswap_needed = 0;
199 
200 #ifdef BSWAP_NEEDED
201         bswap_needed = 1;
202 #endif
203         kernel_base = KERNEL_LOAD_ADDR;
204         kernel_size = load_elf(machine->kernel_filename, NULL,
205                                translate_kernel_address, NULL, NULL, NULL,
206                                NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0);
207         if (kernel_size < 0) {
208             kernel_size = load_aout(machine->kernel_filename, kernel_base,
209                                     machine->ram_size - kernel_base,
210                                     bswap_needed, TARGET_PAGE_SIZE);
211         }
212         if (kernel_size < 0) {
213             kernel_size = load_image_targphys(machine->kernel_filename,
214                                               kernel_base,
215                                               machine->ram_size - kernel_base);
216         }
217         if (kernel_size < 0) {
218             error_report("could not load kernel '%s'",
219                          machine->kernel_filename);
220             exit(1);
221         }
222         /* load initrd */
223         if (machine->initrd_filename) {
224             initrd_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
225             initrd_size = load_image_targphys(machine->initrd_filename,
226                                               initrd_base,
227                                               machine->ram_size - initrd_base);
228             if (initrd_size < 0) {
229                 error_report("could not load initial ram disk '%s'",
230                              machine->initrd_filename);
231                 exit(1);
232             }
233             cmdline_base = TARGET_PAGE_ALIGN(initrd_base + initrd_size);
234         } else {
235             cmdline_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
236         }
237         ppc_boot_device = 'm';
238     } else {
239         ppc_boot_device = '\0';
240         /* We consider that NewWorld PowerMac never have any floppy drive
241          * For now, OHW cannot boot from the network.
242          */
243         for (i = 0; machine->boot_config.order[i] != '\0'; i++) {
244             if (machine->boot_config.order[i] >= 'c' &&
245                 machine->boot_config.order[i] <= 'f') {
246                 ppc_boot_device = machine->boot_config.order[i];
247                 break;
248             }
249         }
250         if (ppc_boot_device == '\0') {
251             error_report("No valid boot device for Mac99 machine");
252             exit(1);
253         }
254     }
255 
256     openpic_irqs = g_new0(IrqLines, machine->smp.cpus);
257     dev = DEVICE(cpu);
258     for (i = 0; i < machine->smp.cpus; i++) {
259         /* Mac99 IRQ connection between OpenPIC outputs pins
260          * and PowerPC input pins
261          */
262         switch (PPC_INPUT(env)) {
263         case PPC_FLAGS_INPUT_6xx:
264             openpic_irqs[i].irq[OPENPIC_OUTPUT_INT] =
265                 qdev_get_gpio_in(dev, PPC6xx_INPUT_INT);
266             openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
267                  qdev_get_gpio_in(dev, PPC6xx_INPUT_INT);
268             openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
269                 qdev_get_gpio_in(dev, PPC6xx_INPUT_MCP);
270             /* Not connected ? */
271             openpic_irqs[i].irq[OPENPIC_OUTPUT_DEBUG] = NULL;
272             /* Check this */
273             openpic_irqs[i].irq[OPENPIC_OUTPUT_RESET] =
274                 qdev_get_gpio_in(dev, PPC6xx_INPUT_HRESET);
275             break;
276 #if defined(TARGET_PPC64)
277         case PPC_FLAGS_INPUT_970:
278             openpic_irqs[i].irq[OPENPIC_OUTPUT_INT] =
279                 qdev_get_gpio_in(dev, PPC970_INPUT_INT);
280             openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
281                 qdev_get_gpio_in(dev, PPC970_INPUT_INT);
282             openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
283                 qdev_get_gpio_in(dev, PPC970_INPUT_MCP);
284             /* Not connected ? */
285             openpic_irqs[i].irq[OPENPIC_OUTPUT_DEBUG] = NULL;
286             /* Check this */
287             openpic_irqs[i].irq[OPENPIC_OUTPUT_RESET] =
288                 qdev_get_gpio_in(dev, PPC970_INPUT_HRESET);
289             break;
290 #endif /* defined(TARGET_PPC64) */
291         default:
292             error_report("Bus model not supported on mac99 machine");
293             exit(1);
294         }
295     }
296 
297     /* UniN init */
298     s = SYS_BUS_DEVICE(qdev_new(TYPE_UNI_NORTH));
299     sysbus_realize_and_unref(s, &error_fatal);
300     memory_region_add_subregion(get_system_memory(), 0xf8000000,
301                                 sysbus_mmio_get_region(s, 0));
302 
303     if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) {
304         machine_arch = ARCH_MAC99_U3;
305         /* 970 gets a U3 bus */
306         /* Uninorth AGP bus */
307         uninorth_pci_dev = qdev_new(TYPE_U3_AGP_HOST_BRIDGE);
308         s = SYS_BUS_DEVICE(uninorth_pci_dev);
309         sysbus_realize_and_unref(s, &error_fatal);
310         sysbus_mmio_map(s, 0, 0xf0800000);
311         sysbus_mmio_map(s, 1, 0xf0c00000);
312         /* PCI hole */
313         memory_region_add_subregion(get_system_memory(), 0x80000000,
314                                     sysbus_mmio_get_region(s, 2));
315         /* Register 8 MB of ISA IO space */
316         memory_region_add_subregion(get_system_memory(), 0xf2000000,
317                                     sysbus_mmio_get_region(s, 3));
318     } else {
319         machine_arch = ARCH_MAC99;
320         /* Use values found on a real PowerMac */
321         /* Uninorth AGP bus */
322         uninorth_agp_dev = qdev_new(TYPE_UNI_NORTH_AGP_HOST_BRIDGE);
323         s = SYS_BUS_DEVICE(uninorth_agp_dev);
324         sysbus_realize_and_unref(s, &error_fatal);
325         sysbus_mmio_map(s, 0, 0xf0800000);
326         sysbus_mmio_map(s, 1, 0xf0c00000);
327 
328         /* Uninorth internal bus */
329         uninorth_internal_dev = qdev_new(
330                                 TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE);
331         s = SYS_BUS_DEVICE(uninorth_internal_dev);
332         sysbus_realize_and_unref(s, &error_fatal);
333         sysbus_mmio_map(s, 0, 0xf4800000);
334         sysbus_mmio_map(s, 1, 0xf4c00000);
335 
336         /* Uninorth main bus - this must be last to make it the default */
337         uninorth_pci_dev = qdev_new(TYPE_UNI_NORTH_PCI_HOST_BRIDGE);
338         qdev_prop_set_uint32(uninorth_pci_dev, "ofw-addr", 0xf2000000);
339         s = SYS_BUS_DEVICE(uninorth_pci_dev);
340         sysbus_realize_and_unref(s, &error_fatal);
341         sysbus_mmio_map(s, 0, 0xf2800000);
342         sysbus_mmio_map(s, 1, 0xf2c00000);
343         /* PCI hole */
344         memory_region_add_subregion(get_system_memory(), 0x80000000,
345                                     sysbus_mmio_get_region(s, 2));
346         /* Register 8 MB of ISA IO space */
347         memory_region_add_subregion(get_system_memory(), 0xf2000000,
348                                     sysbus_mmio_get_region(s, 3));
349     }
350 
351     machine->usb |= defaults_enabled() && !machine->usb_disabled;
352     has_pmu = (core99_machine->via_config != CORE99_VIA_CONFIG_CUDA);
353     has_adb = (core99_machine->via_config == CORE99_VIA_CONFIG_CUDA ||
354                core99_machine->via_config == CORE99_VIA_CONFIG_PMU_ADB);
355 
356     /* init basic PC hardware */
357     pci_bus = PCI_HOST_BRIDGE(uninorth_pci_dev)->bus;
358 
359     /* MacIO */
360     macio = OBJECT(pci_new(-1, TYPE_NEWWORLD_MACIO));
361     dev = DEVICE(macio);
362     qdev_prop_set_uint64(dev, "frequency", tbfreq);
363     qdev_prop_set_bit(dev, "has-pmu", has_pmu);
364     qdev_prop_set_bit(dev, "has-adb", has_adb);
365 
366     dev = DEVICE(object_resolve_path_component(macio, "escc"));
367     qdev_prop_set_chr(dev, "chrA", serial_hd(0));
368     qdev_prop_set_chr(dev, "chrB", serial_hd(1));
369 
370     pci_realize_and_unref(PCI_DEVICE(macio), pci_bus, &error_fatal);
371 
372     pic_dev = DEVICE(object_resolve_path_component(macio, "pic"));
373     for (i = 0; i < 4; i++) {
374         qdev_connect_gpio_out(uninorth_pci_dev, i,
375                               qdev_get_gpio_in(pic_dev, 0x1b + i));
376     }
377 
378     /* TODO: additional PCI buses only wired up for 32-bit machines */
379     if (PPC_INPUT(env) != PPC_FLAGS_INPUT_970) {
380         /* Uninorth AGP bus */
381         for (i = 0; i < 4; i++) {
382             qdev_connect_gpio_out(uninorth_agp_dev, i,
383                                   qdev_get_gpio_in(pic_dev, 0x1b + i));
384         }
385 
386         /* Uninorth internal bus */
387         for (i = 0; i < 4; i++) {
388             qdev_connect_gpio_out(uninorth_internal_dev, i,
389                                   qdev_get_gpio_in(pic_dev, 0x1b + i));
390         }
391     }
392 
393     /* OpenPIC */
394     s = SYS_BUS_DEVICE(pic_dev);
395     k = 0;
396     for (i = 0; i < machine->smp.cpus; i++) {
397         for (j = 0; j < OPENPIC_OUTPUT_NB; j++) {
398             sysbus_connect_irq(s, k++, openpic_irqs[i].irq[j]);
399         }
400     }
401     g_free(openpic_irqs);
402 
403     /* We only emulate 2 out of 3 IDE controllers for now */
404     ide_drive_get(hd, ARRAY_SIZE(hd));
405 
406     macio_ide = MACIO_IDE(object_resolve_path_component(macio, "ide[0]"));
407     macio_ide_init_drives(macio_ide, hd);
408 
409     macio_ide = MACIO_IDE(object_resolve_path_component(macio, "ide[1]"));
410     macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]);
411 
412     if (has_adb) {
413         if (has_pmu) {
414             dev = DEVICE(object_resolve_path_component(macio, "pmu"));
415         } else {
416             dev = DEVICE(object_resolve_path_component(macio, "cuda"));
417         }
418 
419         adb_bus = qdev_get_child_bus(dev, "adb.0");
420         dev = qdev_new(TYPE_ADB_KEYBOARD);
421         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
422 
423         dev = qdev_new(TYPE_ADB_MOUSE);
424         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
425     }
426 
427     if (machine->usb) {
428         pci_create_simple(pci_bus, -1, "pci-ohci");
429 
430         /* U3 needs to use USB for input because Linux doesn't support via-cuda
431         on PPC64 */
432         if (!has_adb || machine_arch == ARCH_MAC99_U3) {
433             USBBus *usb_bus = usb_bus_find(-1);
434 
435             usb_create_simple(usb_bus, "usb-kbd");
436             usb_create_simple(usb_bus, "usb-mouse");
437         }
438     }
439 
440     pci_vga_init(pci_bus);
441 
442     if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8) {
443         graphic_depth = 15;
444     }
445 
446     for (i = 0; i < nb_nics; i++) {
447         pci_nic_init_nofail(&nd_table[i], pci_bus, "sungem", NULL);
448     }
449 
450     /* The NewWorld NVRAM is not located in the MacIO device */
451     if (kvm_enabled() && qemu_real_host_page_size() > 4096) {
452         /* We can't combine read-write and read-only in a single page, so
453            move the NVRAM out of ROM again for KVM */
454         nvram_addr = 0xFFE00000;
455     }
456     dev = qdev_new(TYPE_MACIO_NVRAM);
457     qdev_prop_set_uint32(dev, "size", MACIO_NVRAM_SIZE);
458     qdev_prop_set_uint32(dev, "it_shift", 1);
459     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
460     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, nvram_addr);
461     nvr = MACIO_NVRAM(dev);
462     pmac_format_nvram_partition(nvr, MACIO_NVRAM_SIZE);
463     /* No PCI init: the BIOS will do it */
464 
465     dev = qdev_new(TYPE_FW_CFG_MEM);
466     fw_cfg = FW_CFG(dev);
467     qdev_prop_set_uint32(dev, "data_width", 1);
468     qdev_prop_set_bit(dev, "dma_enabled", false);
469     object_property_add_child(OBJECT(machine), TYPE_FW_CFG, 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