xref: /openbmc/qemu/hw/ppc/mac_newworld.c (revision 377ce9cb0f728270d8acbe2c04b68596a5b3be71)
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 "qapi/error.h"
52 #include "hw/ppc/ppc.h"
53 #include "hw/qdev-properties.h"
54 #include "hw/ppc/mac.h"
55 #include "hw/input/adb.h"
56 #include "hw/ppc/mac_dbdma.h"
57 #include "hw/pci/pci.h"
58 #include "net/net.h"
59 #include "sysemu/sysemu.h"
60 #include "hw/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/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 "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 #define PROM_BASE 0xfff00000
86 #define PROM_SIZE (1 * MiB)
87 
88 static void fw_cfg_boot_set(void *opaque, const char *boot_device,
89                             Error **errp)
90 {
91     fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
92 }
93 
94 static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
95 {
96     return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR;
97 }
98 
99 static void ppc_core99_reset(void *opaque)
100 {
101     PowerPCCPU *cpu = opaque;
102 
103     cpu_reset(CPU(cpu));
104     /* 970 CPUs want to get their initial IP as part of their boot protocol */
105     cpu->env.nip = PROM_BASE + 0x100;
106 }
107 
108 /* PowerPC Mac99 hardware initialisation */
109 static void ppc_core99_init(MachineState *machine)
110 {
111     ram_addr_t ram_size = machine->ram_size;
112     const char *bios_name = machine->firmware ?: PROM_FILENAME;
113     const char *kernel_filename = machine->kernel_filename;
114     const char *kernel_cmdline = machine->kernel_cmdline;
115     const char *initrd_filename = machine->initrd_filename;
116     const char *boot_device = machine->boot_order;
117     Core99MachineState *core99_machine = CORE99_MACHINE(machine);
118     PowerPCCPU *cpu = NULL;
119     CPUPPCState *env = NULL;
120     char *filename;
121     IrqLines *openpic_irqs;
122     int linux_boot, i, j, k;
123     MemoryRegion *bios = g_new(MemoryRegion, 1);
124     hwaddr kernel_base, initrd_base, cmdline_base = 0;
125     long kernel_size, initrd_size;
126     UNINHostState *uninorth_pci;
127     PCIBus *pci_bus;
128     PCIDevice *macio;
129     ESCCState *escc;
130     bool has_pmu, has_adb;
131     MACIOIDEState *macio_ide;
132     BusState *adb_bus;
133     MacIONVRAMState *nvr;
134     int bios_size;
135     int ppc_boot_device;
136     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
137     void *fw_cfg;
138     int machine_arch;
139     SysBusDevice *s;
140     DeviceState *dev, *pic_dev;
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     pic_dev = qdev_new(TYPE_OPENPIC);
295     qdev_prop_set_uint32(pic_dev, "model", OPENPIC_MODEL_KEYLARGO);
296     s = SYS_BUS_DEVICE(pic_dev);
297     sysbus_realize_and_unref(s, &error_fatal);
298     k = 0;
299     for (i = 0; i < smp_cpus; i++) {
300         for (j = 0; j < OPENPIC_OUTPUT_NB; j++) {
301             sysbus_connect_irq(s, k++, openpic_irqs[i].irq[j]);
302         }
303     }
304     g_free(openpic_irqs);
305 
306     if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) {
307         /* 970 gets a U3 bus */
308         /* Uninorth AGP bus */
309         dev = qdev_new(TYPE_U3_AGP_HOST_BRIDGE);
310         sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
311         uninorth_pci = U3_AGP_HOST_BRIDGE(dev);
312         s = SYS_BUS_DEVICE(dev);
313         /* PCI hole */
314         memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
315                                     sysbus_mmio_get_region(s, 2));
316         /* Register 8 MB of ISA IO space */
317         memory_region_add_subregion(get_system_memory(), 0xf2000000,
318                                     sysbus_mmio_get_region(s, 3));
319         sysbus_mmio_map(s, 0, 0xf0800000);
320         sysbus_mmio_map(s, 1, 0xf0c00000);
321 
322         for (i = 0; i < 4; i++) {
323             qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(pic_dev, 0x1b + i));
324         }
325 
326         machine_arch = ARCH_MAC99_U3;
327     } else {
328         /* Use values found on a real PowerMac */
329         /* Uninorth AGP bus */
330         dev = qdev_new(TYPE_UNI_NORTH_AGP_HOST_BRIDGE);
331         s = SYS_BUS_DEVICE(dev);
332         sysbus_realize_and_unref(s, &error_fatal);
333         sysbus_mmio_map(s, 0, 0xf0800000);
334         sysbus_mmio_map(s, 1, 0xf0c00000);
335 
336         for (i = 0; i < 4; i++) {
337             qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(pic_dev, 0x1b + i));
338         }
339 
340         /* Uninorth internal bus */
341         dev = qdev_new(TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE);
342         s = SYS_BUS_DEVICE(dev);
343         sysbus_realize_and_unref(s, &error_fatal);
344         sysbus_mmio_map(s, 0, 0xf4800000);
345         sysbus_mmio_map(s, 1, 0xf4c00000);
346 
347         for (i = 0; i < 4; i++) {
348             qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(pic_dev, 0x1b + i));
349         }
350 
351         /* Uninorth main bus */
352         dev = qdev_new(TYPE_UNI_NORTH_PCI_HOST_BRIDGE);
353         qdev_prop_set_uint32(dev, "ofw-addr", 0xf2000000);
354         sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
355         uninorth_pci = UNI_NORTH_PCI_HOST_BRIDGE(dev);
356         s = SYS_BUS_DEVICE(dev);
357         /* PCI hole */
358         memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
359                                     sysbus_mmio_get_region(s, 2));
360         /* Register 8 MB of ISA IO space */
361         memory_region_add_subregion(get_system_memory(), 0xf2000000,
362                                     sysbus_mmio_get_region(s, 3));
363         sysbus_mmio_map(s, 0, 0xf2800000);
364         sysbus_mmio_map(s, 1, 0xf2c00000);
365 
366         for (i = 0; i < 4; i++) {
367             qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(pic_dev, 0x1b + i));
368         }
369 
370         machine_arch = ARCH_MAC99;
371     }
372 
373     machine->usb |= defaults_enabled() && !machine->usb_disabled;
374     has_pmu = (core99_machine->via_config != CORE99_VIA_CONFIG_CUDA);
375     has_adb = (core99_machine->via_config == CORE99_VIA_CONFIG_CUDA ||
376                core99_machine->via_config == CORE99_VIA_CONFIG_PMU_ADB);
377 
378     /* Timebase Frequency */
379     if (kvm_enabled()) {
380         tbfreq = kvmppc_get_tbfreq();
381     } else {
382         tbfreq = TBFREQ;
383     }
384 
385     /* init basic PC hardware */
386     pci_bus = PCI_HOST_BRIDGE(uninorth_pci)->bus;
387 
388     /* MacIO */
389     macio = pci_new(-1, TYPE_NEWWORLD_MACIO);
390     dev = DEVICE(macio);
391     qdev_prop_set_uint64(dev, "frequency", tbfreq);
392     qdev_prop_set_bit(dev, "has-pmu", has_pmu);
393     qdev_prop_set_bit(dev, "has-adb", has_adb);
394     object_property_set_link(OBJECT(macio), "pic", OBJECT(pic_dev),
395                              &error_abort);
396 
397     escc = ESCC(object_resolve_path_component(OBJECT(macio), "escc"));
398     qdev_prop_set_chr(DEVICE(escc), "chrA", serial_hd(0));
399     qdev_prop_set_chr(DEVICE(escc), "chrB", serial_hd(1));
400 
401     pci_realize_and_unref(macio, pci_bus, &error_fatal);
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(OBJECT(macio),
407                                                         "ide[0]"));
408     macio_ide_init_drives(macio_ide, hd);
409 
410     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
411                                                         "ide[1]"));
412     macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]);
413 
414     if (has_adb) {
415         if (has_pmu) {
416             dev = DEVICE(object_resolve_path_component(OBJECT(macio), "pmu"));
417         } else {
418             dev = DEVICE(object_resolve_path_component(OBJECT(macio), "cuda"));
419         }
420 
421         adb_bus = qdev_get_child_bus(dev, "adb.0");
422         dev = qdev_new(TYPE_ADB_KEYBOARD);
423         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
424 
425         dev = qdev_new(TYPE_ADB_MOUSE);
426         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
427     }
428 
429     if (machine->usb) {
430         pci_create_simple(pci_bus, -1, "pci-ohci");
431 
432         /* U3 needs to use USB for input because Linux doesn't support via-cuda
433         on PPC64 */
434         if (!has_adb || machine_arch == ARCH_MAC99_U3) {
435             USBBus *usb_bus = usb_bus_find(-1);
436 
437             usb_create_simple(usb_bus, "usb-kbd");
438             usb_create_simple(usb_bus, "usb-mouse");
439         }
440     }
441 
442     pci_vga_init(pci_bus);
443 
444     if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8) {
445         graphic_depth = 15;
446     }
447 
448     for (i = 0; i < nb_nics; i++) {
449         pci_nic_init_nofail(&nd_table[i], pci_bus, "sungem", NULL);
450     }
451 
452     /* The NewWorld NVRAM is not located in the MacIO device */
453     if (kvm_enabled() && qemu_real_host_page_size > 4096) {
454         /* We can't combine read-write and read-only in a single page, so
455            move the NVRAM out of ROM again for KVM */
456         nvram_addr = 0xFFE00000;
457     }
458     dev = qdev_new(TYPE_MACIO_NVRAM);
459     qdev_prop_set_uint32(dev, "size", 0x2000);
460     qdev_prop_set_uint32(dev, "it_shift", 1);
461     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
462     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, nvram_addr);
463     nvr = MACIO_NVRAM(dev);
464     pmac_format_nvram_partition(nvr, 0x2000);
465     /* No PCI init: the BIOS will do it */
466 
467     dev = qdev_new(TYPE_FW_CFG_MEM);
468     fw_cfg = FW_CFG(dev);
469     qdev_prop_set_uint32(dev, "data_width", 1);
470     qdev_prop_set_bit(dev, "dma_enabled", false);
471     object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
472                               OBJECT(fw_cfg));
473     s = SYS_BUS_DEVICE(dev);
474     sysbus_realize_and_unref(s, &error_fatal);
475     sysbus_mmio_map(s, 0, CFG_ADDR);
476     sysbus_mmio_map(s, 1, CFG_ADDR + 2);
477 
478     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
479     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)machine->smp.max_cpus);
480     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
481     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, machine_arch);
482     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
483     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
484     if (kernel_cmdline) {
485         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
486         pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
487     } else {
488         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
489     }
490     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
491     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
492     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
493 
494     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
495     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
496     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
497 
498     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_VIACONFIG, core99_machine->via_config);
499 
500     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
501     if (kvm_enabled()) {
502         uint8_t *hypercall;
503 
504         hypercall = g_malloc(16);
505         kvmppc_get_hypercall(env, hypercall, 16);
506         fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
507         fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
508     }
509     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq);
510     /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
511     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ);
512     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ);
513     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_NVRAM_ADDR, nvram_addr);
514 
515     /* MacOS NDRV VGA driver */
516     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, NDRV_VGA_FILENAME);
517     if (filename) {
518         gchar *ndrv_file;
519         gsize ndrv_size;
520 
521         if (g_file_get_contents(filename, &ndrv_file, &ndrv_size, NULL)) {
522             fw_cfg_add_file(fw_cfg, "ndrv/qemu_vga.ndrv", ndrv_file, ndrv_size);
523         }
524         g_free(filename);
525     }
526 
527     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
528 }
529 
530 /*
531  * Implementation of an interface to adjust firmware path
532  * for the bootindex property handling.
533  */
534 static char *core99_fw_dev_path(FWPathProvider *p, BusState *bus,
535                                 DeviceState *dev)
536 {
537     PCIDevice *pci;
538     IDEBus *ide_bus;
539     IDEState *ide_s;
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-drive")) {
553         ide_bus = IDE_BUS(qdev_get_parent_bus(dev));
554         ide_s = idebus_active_if(ide_bus);
555 
556         if (ide_s->drive_kind == IDE_CD) {
557             return g_strdup("cdrom");
558         }
559 
560         return g_strdup("disk");
561     }
562 
563     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-hd")) {
564         return g_strdup("disk");
565     }
566 
567     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
568         return g_strdup("cdrom");
569     }
570 
571     if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
572         return g_strdup("disk");
573     }
574 
575     return NULL;
576 }
577 static int core99_kvm_type(MachineState *machine, const char *arg)
578 {
579     /* Always force PR KVM */
580     return 2;
581 }
582 
583 static void core99_machine_class_init(ObjectClass *oc, void *data)
584 {
585     MachineClass *mc = MACHINE_CLASS(oc);
586     FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
587 
588     mc->desc = "Mac99 based PowerMAC";
589     mc->init = ppc_core99_init;
590     mc->block_default_type = IF_IDE;
591     mc->max_cpus = MAX_CPUS;
592     mc->default_boot_order = "cd";
593     mc->default_display = "std";
594     mc->kvm_type = core99_kvm_type;
595 #ifdef TARGET_PPC64
596     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("970fx_v3.1");
597 #else
598     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("7400_v2.9");
599 #endif
600     mc->default_ram_id = "ppc_core99.ram";
601     mc->ignore_boot_device_suffixes = true;
602     fwc->get_dev_path = core99_fw_dev_path;
603 }
604 
605 static char *core99_get_via_config(Object *obj, Error **errp)
606 {
607     Core99MachineState *cms = CORE99_MACHINE(obj);
608 
609     switch (cms->via_config) {
610     default:
611     case CORE99_VIA_CONFIG_CUDA:
612         return g_strdup("cuda");
613 
614     case CORE99_VIA_CONFIG_PMU:
615         return g_strdup("pmu");
616 
617     case CORE99_VIA_CONFIG_PMU_ADB:
618         return g_strdup("pmu-adb");
619     }
620 }
621 
622 static void core99_set_via_config(Object *obj, const char *value, Error **errp)
623 {
624     Core99MachineState *cms = CORE99_MACHINE(obj);
625 
626     if (!strcmp(value, "cuda")) {
627         cms->via_config = CORE99_VIA_CONFIG_CUDA;
628     } else if (!strcmp(value, "pmu")) {
629         cms->via_config = CORE99_VIA_CONFIG_PMU;
630     } else if (!strcmp(value, "pmu-adb")) {
631         cms->via_config = CORE99_VIA_CONFIG_PMU_ADB;
632     } else {
633         error_setg(errp, "Invalid via value");
634         error_append_hint(errp, "Valid values are cuda, pmu, pmu-adb.\n");
635     }
636 }
637 
638 static void core99_instance_init(Object *obj)
639 {
640     Core99MachineState *cms = CORE99_MACHINE(obj);
641 
642     /* Default via_config is CORE99_VIA_CONFIG_CUDA */
643     cms->via_config = CORE99_VIA_CONFIG_CUDA;
644     object_property_add_str(obj, "via", core99_get_via_config,
645                             core99_set_via_config);
646     object_property_set_description(obj, "via",
647                                     "Set VIA configuration. "
648                                     "Valid values are cuda, pmu and pmu-adb");
649 
650     return;
651 }
652 
653 static const TypeInfo core99_machine_info = {
654     .name          = MACHINE_TYPE_NAME("mac99"),
655     .parent        = TYPE_MACHINE,
656     .class_init    = core99_machine_class_init,
657     .instance_init = core99_instance_init,
658     .instance_size = sizeof(Core99MachineState),
659     .interfaces = (InterfaceInfo[]) {
660         { TYPE_FW_PATH_PROVIDER },
661         { }
662     },
663 };
664 
665 static void mac_machine_register_types(void)
666 {
667     type_register_static(&core99_machine_info);
668 }
669 
670 type_init(mac_machine_register_types)
671