xref: /openbmc/qemu/hw/ppc/mac_newworld.c (revision cb0fa36b31d15ab862517b4150d85d885f38ae35)
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 
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     IrqLines *openpic_irqs;
119     int linux_boot, i, j, k;
120     MemoryRegion *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     PCIDevice *macio;
126     ESCCState *escc;
127     bool has_pmu, has_adb;
128     MACIOIDEState *macio_ide;
129     BusState *adb_bus;
130     MacIONVRAMState *nvr;
131     int bios_size;
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     unsigned int smp_cpus = machine->smp.cpus;
141 
142     linux_boot = (kernel_filename != NULL);
143 
144     /* init CPUs */
145     for (i = 0; i < smp_cpus; i++) {
146         cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
147         env = &cpu->env;
148 
149         /* Set time-base frequency to 100 Mhz */
150         cpu_ppc_tb_init(env, TBFREQ);
151         qemu_register_reset(ppc_core99_reset, cpu);
152     }
153 
154     /* allocate RAM */
155     memory_region_add_subregion(get_system_memory(), 0, machine->ram);
156 
157     /* allocate and load BIOS */
158     memory_region_init_rom(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_add_subregion(get_system_memory(), PROM_ADDR, bios);
165 
166     /* Load OpenBIOS (ELF) */
167     if (filename) {
168         bios_size = load_elf(filename, NULL, NULL, NULL, NULL,
169                              NULL, NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0);
170 
171         g_free(filename);
172     } else {
173         bios_size = -1;
174     }
175     if (bios_size < 0 || bios_size > BIOS_SIZE) {
176         error_report("could not load PowerPC bios '%s'", bios_name);
177         exit(1);
178     }
179 
180     if (linux_boot) {
181         int bswap_needed;
182 
183 #ifdef BSWAP_NEEDED
184         bswap_needed = 1;
185 #else
186         bswap_needed = 0;
187 #endif
188         kernel_base = KERNEL_LOAD_ADDR;
189 
190         kernel_size = load_elf(kernel_filename, NULL,
191                                translate_kernel_address, NULL, NULL, NULL,
192                                NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0);
193         if (kernel_size < 0)
194             kernel_size = load_aout(kernel_filename, kernel_base,
195                                     ram_size - kernel_base, bswap_needed,
196                                     TARGET_PAGE_SIZE);
197         if (kernel_size < 0)
198             kernel_size = load_image_targphys(kernel_filename,
199                                               kernel_base,
200                                               ram_size - kernel_base);
201         if (kernel_size < 0) {
202             error_report("could not load kernel '%s'", kernel_filename);
203             exit(1);
204         }
205         /* load initrd */
206         if (initrd_filename) {
207             initrd_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
208             initrd_size = load_image_targphys(initrd_filename, initrd_base,
209                                               ram_size - initrd_base);
210             if (initrd_size < 0) {
211                 error_report("could not load initial ram disk '%s'",
212                              initrd_filename);
213                 exit(1);
214             }
215             cmdline_base = TARGET_PAGE_ALIGN(initrd_base + initrd_size);
216         } else {
217             initrd_base = 0;
218             initrd_size = 0;
219             cmdline_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
220         }
221         ppc_boot_device = 'm';
222     } else {
223         kernel_base = 0;
224         kernel_size = 0;
225         initrd_base = 0;
226         initrd_size = 0;
227         ppc_boot_device = '\0';
228         /* We consider that NewWorld PowerMac never have any floppy drive
229          * For now, OHW cannot boot from the network.
230          */
231         for (i = 0; boot_device[i] != '\0'; i++) {
232             if (boot_device[i] >= 'c' && boot_device[i] <= 'f') {
233                 ppc_boot_device = boot_device[i];
234                 break;
235             }
236         }
237         if (ppc_boot_device == '\0') {
238             error_report("No valid boot device for Mac99 machine");
239             exit(1);
240         }
241     }
242 
243     /* UniN init */
244     dev = qdev_new(TYPE_UNI_NORTH);
245     s = SYS_BUS_DEVICE(dev);
246     sysbus_realize_and_unref(s, &error_fatal);
247     memory_region_add_subregion(get_system_memory(), 0xf8000000,
248                                 sysbus_mmio_get_region(s, 0));
249 
250     openpic_irqs = g_new0(IrqLines, smp_cpus);
251     for (i = 0; i < smp_cpus; i++) {
252         /* Mac99 IRQ connection between OpenPIC outputs pins
253          * and PowerPC input pins
254          */
255         switch (PPC_INPUT(env)) {
256         case PPC_FLAGS_INPUT_6xx:
257             openpic_irqs[i].irq[OPENPIC_OUTPUT_INT] =
258                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
259             openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
260                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
261             openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
262                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP];
263             /* Not connected ? */
264             openpic_irqs[i].irq[OPENPIC_OUTPUT_DEBUG] = NULL;
265             /* Check this */
266             openpic_irqs[i].irq[OPENPIC_OUTPUT_RESET] =
267                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET];
268             break;
269 #if defined(TARGET_PPC64)
270         case PPC_FLAGS_INPUT_970:
271             openpic_irqs[i].irq[OPENPIC_OUTPUT_INT] =
272                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
273             openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
274                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
275             openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
276                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP];
277             /* Not connected ? */
278             openpic_irqs[i].irq[OPENPIC_OUTPUT_DEBUG] = NULL;
279             /* Check this */
280             openpic_irqs[i].irq[OPENPIC_OUTPUT_RESET] =
281                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET];
282             break;
283 #endif /* defined(TARGET_PPC64) */
284         default:
285             error_report("Bus model not supported on mac99 machine");
286             exit(1);
287         }
288     }
289 
290     pic_dev = qdev_new(TYPE_OPENPIC);
291     qdev_prop_set_uint32(pic_dev, "model", OPENPIC_MODEL_KEYLARGO);
292     s = SYS_BUS_DEVICE(pic_dev);
293     sysbus_realize_and_unref(s, &error_fatal);
294     k = 0;
295     for (i = 0; i < smp_cpus; i++) {
296         for (j = 0; j < OPENPIC_OUTPUT_NB; j++) {
297             sysbus_connect_irq(s, k++, openpic_irqs[i].irq[j]);
298         }
299     }
300     g_free(openpic_irqs);
301 
302     if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) {
303         /* 970 gets a U3 bus */
304         /* Uninorth AGP bus */
305         dev = qdev_new(TYPE_U3_AGP_HOST_BRIDGE);
306         sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
307         uninorth_pci = U3_AGP_HOST_BRIDGE(dev);
308         s = SYS_BUS_DEVICE(dev);
309         /* PCI hole */
310         memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
311                                     sysbus_mmio_get_region(s, 2));
312         /* Register 8 MB of ISA IO space */
313         memory_region_add_subregion(get_system_memory(), 0xf2000000,
314                                     sysbus_mmio_get_region(s, 3));
315         sysbus_mmio_map(s, 0, 0xf0800000);
316         sysbus_mmio_map(s, 1, 0xf0c00000);
317 
318         for (i = 0; i < 4; i++) {
319             qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(pic_dev, 0x1b + i));
320         }
321 
322         machine_arch = ARCH_MAC99_U3;
323     } else {
324         /* Use values found on a real PowerMac */
325         /* Uninorth AGP bus */
326         dev = qdev_new(TYPE_UNI_NORTH_AGP_HOST_BRIDGE);
327         s = SYS_BUS_DEVICE(dev);
328         sysbus_realize_and_unref(s, &error_fatal);
329         sysbus_mmio_map(s, 0, 0xf0800000);
330         sysbus_mmio_map(s, 1, 0xf0c00000);
331 
332         for (i = 0; i < 4; i++) {
333             qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(pic_dev, 0x1b + i));
334         }
335 
336         /* Uninorth internal bus */
337         dev = qdev_new(TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE);
338         s = SYS_BUS_DEVICE(dev);
339         sysbus_realize_and_unref(s, &error_fatal);
340         sysbus_mmio_map(s, 0, 0xf4800000);
341         sysbus_mmio_map(s, 1, 0xf4c00000);
342 
343         for (i = 0; i < 4; i++) {
344             qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(pic_dev, 0x1b + i));
345         }
346 
347         /* Uninorth main bus */
348         dev = qdev_new(TYPE_UNI_NORTH_PCI_HOST_BRIDGE);
349         qdev_prop_set_uint32(dev, "ofw-addr", 0xf2000000);
350         sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
351         uninorth_pci = UNI_NORTH_PCI_HOST_BRIDGE(dev);
352         s = SYS_BUS_DEVICE(dev);
353         /* PCI hole */
354         memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
355                                     sysbus_mmio_get_region(s, 2));
356         /* Register 8 MB of ISA IO space */
357         memory_region_add_subregion(get_system_memory(), 0xf2000000,
358                                     sysbus_mmio_get_region(s, 3));
359         sysbus_mmio_map(s, 0, 0xf2800000);
360         sysbus_mmio_map(s, 1, 0xf2c00000);
361 
362         for (i = 0; i < 4; i++) {
363             qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(pic_dev, 0x1b + i));
364         }
365 
366         machine_arch = ARCH_MAC99;
367     }
368 
369     machine->usb |= defaults_enabled() && !machine->usb_disabled;
370     has_pmu = (core99_machine->via_config != CORE99_VIA_CONFIG_CUDA);
371     has_adb = (core99_machine->via_config == CORE99_VIA_CONFIG_CUDA ||
372                core99_machine->via_config == CORE99_VIA_CONFIG_PMU_ADB);
373 
374     /* Timebase Frequency */
375     if (kvm_enabled()) {
376         tbfreq = kvmppc_get_tbfreq();
377     } else {
378         tbfreq = TBFREQ;
379     }
380 
381     /* init basic PC hardware */
382     pci_bus = PCI_HOST_BRIDGE(uninorth_pci)->bus;
383 
384     /* MacIO */
385     macio = pci_new(-1, TYPE_NEWWORLD_MACIO);
386     dev = DEVICE(macio);
387     qdev_prop_set_uint64(dev, "frequency", tbfreq);
388     qdev_prop_set_bit(dev, "has-pmu", has_pmu);
389     qdev_prop_set_bit(dev, "has-adb", has_adb);
390     object_property_set_link(OBJECT(macio), "pic", OBJECT(pic_dev),
391                              &error_abort);
392 
393     escc = ESCC(object_resolve_path_component(OBJECT(macio), "escc"));
394     qdev_prop_set_chr(DEVICE(escc), "chrA", serial_hd(0));
395     qdev_prop_set_chr(DEVICE(escc), "chrB", serial_hd(1));
396 
397     pci_realize_and_unref(macio, pci_bus, &error_fatal);
398 
399     /* We only emulate 2 out of 3 IDE controllers for now */
400     ide_drive_get(hd, ARRAY_SIZE(hd));
401 
402     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
403                                                         "ide[0]"));
404     macio_ide_init_drives(macio_ide, hd);
405 
406     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
407                                                         "ide[1]"));
408     macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]);
409 
410     if (has_adb) {
411         if (has_pmu) {
412             dev = DEVICE(object_resolve_path_component(OBJECT(macio), "pmu"));
413         } else {
414             dev = DEVICE(object_resolve_path_component(OBJECT(macio), "cuda"));
415         }
416 
417         adb_bus = qdev_get_child_bus(dev, "adb.0");
418         dev = qdev_new(TYPE_ADB_KEYBOARD);
419         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
420 
421         dev = qdev_new(TYPE_ADB_MOUSE);
422         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
423     }
424 
425     if (machine->usb) {
426         pci_create_simple(pci_bus, -1, "pci-ohci");
427 
428         /* U3 needs to use USB for input because Linux doesn't support via-cuda
429         on PPC64 */
430         if (!has_adb || machine_arch == ARCH_MAC99_U3) {
431             USBBus *usb_bus = usb_bus_find(-1);
432 
433             usb_create_simple(usb_bus, "usb-kbd");
434             usb_create_simple(usb_bus, "usb-mouse");
435         }
436     }
437 
438     pci_vga_init(pci_bus);
439 
440     if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8) {
441         graphic_depth = 15;
442     }
443 
444     for (i = 0; i < nb_nics; i++) {
445         pci_nic_init_nofail(&nd_table[i], pci_bus, "sungem", NULL);
446     }
447 
448     /* The NewWorld NVRAM is not located in the MacIO device */
449     if (kvm_enabled() && qemu_real_host_page_size > 4096) {
450         /* We can't combine read-write and read-only in a single page, so
451            move the NVRAM out of ROM again for KVM */
452         nvram_addr = 0xFFE00000;
453     }
454     dev = qdev_new(TYPE_MACIO_NVRAM);
455     qdev_prop_set_uint32(dev, "size", 0x2000);
456     qdev_prop_set_uint32(dev, "it_shift", 1);
457     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
458     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, nvram_addr);
459     nvr = MACIO_NVRAM(dev);
460     pmac_format_nvram_partition(nvr, 0x2000);
461     /* No PCI init: the BIOS will do it */
462 
463     dev = qdev_new(TYPE_FW_CFG_MEM);
464     fw_cfg = FW_CFG(dev);
465     qdev_prop_set_uint32(dev, "data_width", 1);
466     qdev_prop_set_bit(dev, "dma_enabled", false);
467     object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
468                               OBJECT(fw_cfg));
469     s = SYS_BUS_DEVICE(dev);
470     sysbus_realize_and_unref(s, &error_fatal);
471     sysbus_mmio_map(s, 0, CFG_ADDR);
472     sysbus_mmio_map(s, 1, CFG_ADDR + 2);
473 
474     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
475     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)machine->smp.max_cpus);
476     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
477     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, machine_arch);
478     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
479     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
480     if (kernel_cmdline) {
481         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
482         pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
483     } else {
484         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
485     }
486     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
487     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
488     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
489 
490     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
491     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
492     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
493 
494     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_VIACONFIG, core99_machine->via_config);
495 
496     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
497     if (kvm_enabled()) {
498         uint8_t *hypercall;
499 
500         hypercall = g_malloc(16);
501         kvmppc_get_hypercall(env, hypercall, 16);
502         fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
503         fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
504     }
505     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq);
506     /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
507     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ);
508     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ);
509     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_NVRAM_ADDR, nvram_addr);
510 
511     /* MacOS NDRV VGA driver */
512     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, NDRV_VGA_FILENAME);
513     if (filename) {
514         gchar *ndrv_file;
515         gsize ndrv_size;
516 
517         if (g_file_get_contents(filename, &ndrv_file, &ndrv_size, NULL)) {
518             fw_cfg_add_file(fw_cfg, "ndrv/qemu_vga.ndrv", ndrv_file, ndrv_size);
519         }
520         g_free(filename);
521     }
522 
523     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
524 }
525 
526 /*
527  * Implementation of an interface to adjust firmware path
528  * for the bootindex property handling.
529  */
530 static char *core99_fw_dev_path(FWPathProvider *p, BusState *bus,
531                                 DeviceState *dev)
532 {
533     PCIDevice *pci;
534     IDEBus *ide_bus;
535     IDEState *ide_s;
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-drive")) {
549         ide_bus = IDE_BUS(qdev_get_parent_bus(dev));
550         ide_s = idebus_active_if(ide_bus);
551 
552         if (ide_s->drive_kind == IDE_CD) {
553             return g_strdup("cdrom");
554         }
555 
556         return g_strdup("disk");
557     }
558 
559     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-hd")) {
560         return g_strdup("disk");
561     }
562 
563     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
564         return g_strdup("cdrom");
565     }
566 
567     if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
568         return g_strdup("disk");
569     }
570 
571     return NULL;
572 }
573 static int core99_kvm_type(MachineState *machine, 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->default_ram_id = "ppc_core99.ram";
597     mc->ignore_boot_device_suffixes = true;
598     fwc->get_dev_path = core99_fw_dev_path;
599 }
600 
601 static char *core99_get_via_config(Object *obj, Error **errp)
602 {
603     Core99MachineState *cms = CORE99_MACHINE(obj);
604 
605     switch (cms->via_config) {
606     default:
607     case CORE99_VIA_CONFIG_CUDA:
608         return g_strdup("cuda");
609 
610     case CORE99_VIA_CONFIG_PMU:
611         return g_strdup("pmu");
612 
613     case CORE99_VIA_CONFIG_PMU_ADB:
614         return g_strdup("pmu-adb");
615     }
616 }
617 
618 static void core99_set_via_config(Object *obj, const char *value, Error **errp)
619 {
620     Core99MachineState *cms = CORE99_MACHINE(obj);
621 
622     if (!strcmp(value, "cuda")) {
623         cms->via_config = CORE99_VIA_CONFIG_CUDA;
624     } else if (!strcmp(value, "pmu")) {
625         cms->via_config = CORE99_VIA_CONFIG_PMU;
626     } else if (!strcmp(value, "pmu-adb")) {
627         cms->via_config = CORE99_VIA_CONFIG_PMU_ADB;
628     } else {
629         error_setg(errp, "Invalid via value");
630         error_append_hint(errp, "Valid values are cuda, pmu, pmu-adb.\n");
631     }
632 }
633 
634 static void core99_instance_init(Object *obj)
635 {
636     Core99MachineState *cms = CORE99_MACHINE(obj);
637 
638     /* Default via_config is CORE99_VIA_CONFIG_CUDA */
639     cms->via_config = CORE99_VIA_CONFIG_CUDA;
640     object_property_add_str(obj, "via", core99_get_via_config,
641                             core99_set_via_config);
642     object_property_set_description(obj, "via",
643                                     "Set VIA configuration. "
644                                     "Valid values are cuda, pmu and pmu-adb");
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