xref: /openbmc/qemu/hw/ppc/mac_newworld.c (revision 31eb7ddd)
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/ide.h"
66 #include "hw/loader.h"
67 #include "hw/fw-path-provider.h"
68 #include "elf.h"
69 #include "qemu/error-report.h"
70 #include "sysemu/kvm.h"
71 #include "sysemu/reset.h"
72 #include "kvm_ppc.h"
73 #include "hw/usb.h"
74 #include "exec/address-spaces.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 
87 static void fw_cfg_boot_set(void *opaque, const char *boot_device,
88                             Error **errp)
89 {
90     fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
91 }
92 
93 static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
94 {
95     return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR;
96 }
97 
98 static void ppc_core99_reset(void *opaque)
99 {
100     PowerPCCPU *cpu = opaque;
101 
102     cpu_reset(CPU(cpu));
103     /* 970 CPUs want to get their initial IP as part of their boot protocol */
104     cpu->env.nip = PROM_ADDR + 0x100;
105 }
106 
107 /* PowerPC Mac99 hardware initialisation */
108 static void ppc_core99_init(MachineState *machine)
109 {
110     ram_addr_t ram_size = machine->ram_size;
111     const char *kernel_filename = machine->kernel_filename;
112     const char *kernel_cmdline = machine->kernel_cmdline;
113     const char *initrd_filename = machine->initrd_filename;
114     const char *boot_device = machine->boot_order;
115     Core99MachineState *core99_machine = CORE99_MACHINE(machine);
116     PowerPCCPU *cpu = NULL;
117     CPUPPCState *env = NULL;
118     char *filename;
119     IrqLines *openpic_irqs;
120     int linux_boot, i, j, k;
121     MemoryRegion *ram = g_new(MemoryRegion, 1), *bios = g_new(MemoryRegion, 1);
122     hwaddr kernel_base, initrd_base, cmdline_base = 0;
123     long kernel_size, initrd_size;
124     UNINHostState *uninorth_pci;
125     PCIBus *pci_bus;
126     NewWorldMacIOState *macio;
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_allocate_system_memory(ram, NULL, "ppc_core99.ram", ram_size);
156     memory_region_add_subregion(get_system_memory(), 0, ram);
157 
158     /* allocate and load BIOS */
159     memory_region_init_ram(bios, NULL, "ppc_core99.bios", BIOS_SIZE,
160                            &error_fatal);
161 
162     if (bios_name == NULL)
163         bios_name = PROM_FILENAME;
164     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
165     memory_region_set_readonly(bios, true);
166     memory_region_add_subregion(get_system_memory(), PROM_ADDR, bios);
167 
168     /* Load OpenBIOS (ELF) */
169     if (filename) {
170         bios_size = load_elf(filename, NULL, NULL, NULL, NULL,
171                              NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0);
172 
173         g_free(filename);
174     } else {
175         bios_size = -1;
176     }
177     if (bios_size < 0 || bios_size > BIOS_SIZE) {
178         error_report("could not load PowerPC bios '%s'", bios_name);
179         exit(1);
180     }
181 
182     if (linux_boot) {
183         uint64_t lowaddr = 0;
184         int bswap_needed;
185 
186 #ifdef BSWAP_NEEDED
187         bswap_needed = 1;
188 #else
189         bswap_needed = 0;
190 #endif
191         kernel_base = KERNEL_LOAD_ADDR;
192 
193         kernel_size = load_elf(kernel_filename, NULL,
194                                translate_kernel_address, NULL,
195                                NULL, &lowaddr, NULL, 1, PPC_ELF_MACHINE,
196                                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_create(NULL, TYPE_UNI_NORTH);
249     qdev_init_nofail(dev);
250     s = SYS_BUS_DEVICE(dev);
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_create(NULL, TYPE_OPENPIC);
295     qdev_prop_set_uint32(pic_dev, "model", OPENPIC_MODEL_KEYLARGO);
296     qdev_init_nofail(pic_dev);
297     s = SYS_BUS_DEVICE(pic_dev);
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_create(NULL, TYPE_U3_AGP_HOST_BRIDGE);
310         object_property_set_link(OBJECT(dev), OBJECT(pic_dev), "pic",
311                                  &error_abort);
312         qdev_init_nofail(dev);
313         uninorth_pci = U3_AGP_HOST_BRIDGE(dev);
314         s = SYS_BUS_DEVICE(dev);
315         /* PCI hole */
316         memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
317                                     sysbus_mmio_get_region(s, 2));
318         /* Register 8 MB of ISA IO space */
319         memory_region_add_subregion(get_system_memory(), 0xf2000000,
320                                     sysbus_mmio_get_region(s, 3));
321         sysbus_mmio_map(s, 0, 0xf0800000);
322         sysbus_mmio_map(s, 1, 0xf0c00000);
323 
324         machine_arch = ARCH_MAC99_U3;
325     } else {
326         /* Use values found on a real PowerMac */
327         /* Uninorth AGP bus */
328         dev = qdev_create(NULL, TYPE_UNI_NORTH_AGP_HOST_BRIDGE);
329         object_property_set_link(OBJECT(dev), OBJECT(pic_dev), "pic",
330                                  &error_abort);
331         qdev_init_nofail(dev);
332         s = SYS_BUS_DEVICE(dev);
333         sysbus_mmio_map(s, 0, 0xf0800000);
334         sysbus_mmio_map(s, 1, 0xf0c00000);
335 
336         /* Uninorth internal bus */
337         dev = qdev_create(NULL, TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE);
338         object_property_set_link(OBJECT(dev), OBJECT(pic_dev), "pic",
339                                  &error_abort);
340         qdev_init_nofail(dev);
341         s = SYS_BUS_DEVICE(dev);
342         sysbus_mmio_map(s, 0, 0xf4800000);
343         sysbus_mmio_map(s, 1, 0xf4c00000);
344 
345         /* Uninorth main bus */
346         dev = qdev_create(NULL, TYPE_UNI_NORTH_PCI_HOST_BRIDGE);
347         qdev_prop_set_uint32(dev, "ofw-addr", 0xf2000000);
348         object_property_set_link(OBJECT(dev), OBJECT(pic_dev), "pic",
349                                  &error_abort);
350         qdev_init_nofail(dev);
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         machine_arch = ARCH_MAC99;
363     }
364 
365     machine->usb |= defaults_enabled() && !machine->usb_disabled;
366     has_pmu = (core99_machine->via_config != CORE99_VIA_CONFIG_CUDA);
367     has_adb = (core99_machine->via_config == CORE99_VIA_CONFIG_CUDA ||
368                core99_machine->via_config == CORE99_VIA_CONFIG_PMU_ADB);
369 
370     /* Timebase Frequency */
371     if (kvm_enabled()) {
372         tbfreq = kvmppc_get_tbfreq();
373     } else {
374         tbfreq = TBFREQ;
375     }
376 
377     /* init basic PC hardware */
378     pci_bus = PCI_HOST_BRIDGE(uninorth_pci)->bus;
379 
380     /* MacIO */
381     macio = NEWWORLD_MACIO(pci_create(pci_bus, -1, TYPE_NEWWORLD_MACIO));
382     dev = DEVICE(macio);
383     qdev_prop_set_uint64(dev, "frequency", tbfreq);
384     qdev_prop_set_bit(dev, "has-pmu", has_pmu);
385     qdev_prop_set_bit(dev, "has-adb", has_adb);
386     object_property_set_link(OBJECT(macio), OBJECT(pic_dev), "pic",
387                              &error_abort);
388     qdev_init_nofail(dev);
389 
390     /* We only emulate 2 out of 3 IDE controllers for now */
391     ide_drive_get(hd, ARRAY_SIZE(hd));
392 
393     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
394                                                         "ide[0]"));
395     macio_ide_init_drives(macio_ide, hd);
396 
397     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
398                                                         "ide[1]"));
399     macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]);
400 
401     if (has_adb) {
402         if (has_pmu) {
403             dev = DEVICE(object_resolve_path_component(OBJECT(macio), "pmu"));
404         } else {
405             dev = DEVICE(object_resolve_path_component(OBJECT(macio), "cuda"));
406         }
407 
408         adb_bus = qdev_get_child_bus(dev, "adb.0");
409         dev = qdev_create(adb_bus, TYPE_ADB_KEYBOARD);
410         qdev_prop_set_bit(dev, "disable-direct-reg3-writes", true);
411         qdev_init_nofail(dev);
412 
413         dev = qdev_create(adb_bus, TYPE_ADB_MOUSE);
414         qdev_prop_set_bit(dev, "disable-direct-reg3-writes", true);
415         qdev_init_nofail(dev);
416     }
417 
418     if (machine->usb) {
419         pci_create_simple(pci_bus, -1, "pci-ohci");
420 
421         /* U3 needs to use USB for input because Linux doesn't support via-cuda
422         on PPC64 */
423         if (!has_adb || machine_arch == ARCH_MAC99_U3) {
424             USBBus *usb_bus = usb_bus_find(-1);
425 
426             usb_create_simple(usb_bus, "usb-kbd");
427             usb_create_simple(usb_bus, "usb-mouse");
428         }
429     }
430 
431     pci_vga_init(pci_bus);
432 
433     if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8) {
434         graphic_depth = 15;
435     }
436 
437     for (i = 0; i < nb_nics; i++) {
438         pci_nic_init_nofail(&nd_table[i], pci_bus, "sungem", NULL);
439     }
440 
441     /* The NewWorld NVRAM is not located in the MacIO device */
442     if (kvm_enabled() && getpagesize() > 4096) {
443         /* We can't combine read-write and read-only in a single page, so
444            move the NVRAM out of ROM again for KVM */
445         nvram_addr = 0xFFE00000;
446     }
447     dev = qdev_create(NULL, TYPE_MACIO_NVRAM);
448     qdev_prop_set_uint32(dev, "size", 0x2000);
449     qdev_prop_set_uint32(dev, "it_shift", 1);
450     qdev_init_nofail(dev);
451     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, nvram_addr);
452     nvr = MACIO_NVRAM(dev);
453     pmac_format_nvram_partition(nvr, 0x2000);
454     /* No PCI init: the BIOS will do it */
455 
456     dev = qdev_create(NULL, TYPE_FW_CFG_MEM);
457     fw_cfg = FW_CFG(dev);
458     qdev_prop_set_uint32(dev, "data_width", 1);
459     qdev_prop_set_bit(dev, "dma_enabled", false);
460     object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
461                               OBJECT(fw_cfg), NULL);
462     qdev_init_nofail(dev);
463     s = SYS_BUS_DEVICE(dev);
464     sysbus_mmio_map(s, 0, CFG_ADDR);
465     sysbus_mmio_map(s, 1, CFG_ADDR + 2);
466 
467     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
468     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)machine->smp.max_cpus);
469     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
470     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, machine_arch);
471     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
472     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
473     if (kernel_cmdline) {
474         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
475         pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
476     } else {
477         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
478     }
479     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
480     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
481     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
482 
483     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
484     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
485     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
486 
487     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_VIACONFIG, core99_machine->via_config);
488 
489     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
490     if (kvm_enabled()) {
491         uint8_t *hypercall;
492 
493         hypercall = g_malloc(16);
494         kvmppc_get_hypercall(env, hypercall, 16);
495         fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
496         fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
497     }
498     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq);
499     /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
500     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ);
501     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ);
502     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_NVRAM_ADDR, nvram_addr);
503 
504     /* MacOS NDRV VGA driver */
505     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, NDRV_VGA_FILENAME);
506     if (filename) {
507         gchar *ndrv_file;
508         gsize ndrv_size;
509 
510         if (g_file_get_contents(filename, &ndrv_file, &ndrv_size, NULL)) {
511             fw_cfg_add_file(fw_cfg, "ndrv/qemu_vga.ndrv", ndrv_file, ndrv_size);
512         }
513         g_free(filename);
514     }
515 
516     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
517 }
518 
519 /*
520  * Implementation of an interface to adjust firmware path
521  * for the bootindex property handling.
522  */
523 static char *core99_fw_dev_path(FWPathProvider *p, BusState *bus,
524                                 DeviceState *dev)
525 {
526     PCIDevice *pci;
527     IDEBus *ide_bus;
528     IDEState *ide_s;
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-drive")) {
542         ide_bus = IDE_BUS(qdev_get_parent_bus(dev));
543         ide_s = idebus_active_if(ide_bus);
544 
545         if (ide_s->drive_kind == IDE_CD) {
546             return g_strdup("cdrom");
547         }
548 
549         return g_strdup("disk");
550     }
551 
552     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-hd")) {
553         return g_strdup("disk");
554     }
555 
556     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
557         return g_strdup("cdrom");
558     }
559 
560     if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
561         return g_strdup("disk");
562     }
563 
564     return NULL;
565 }
566 static int core99_kvm_type(MachineState *machine, const char *arg)
567 {
568     /* Always force PR KVM */
569     return 2;
570 }
571 
572 static void core99_machine_class_init(ObjectClass *oc, void *data)
573 {
574     MachineClass *mc = MACHINE_CLASS(oc);
575     FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
576 
577     mc->desc = "Mac99 based PowerMAC";
578     mc->init = ppc_core99_init;
579     mc->block_default_type = IF_IDE;
580     mc->max_cpus = MAX_CPUS;
581     mc->default_boot_order = "cd";
582     mc->default_display = "std";
583     mc->kvm_type = core99_kvm_type;
584 #ifdef TARGET_PPC64
585     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("970fx_v3.1");
586 #else
587     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("7400_v2.9");
588 #endif
589     mc->ignore_boot_device_suffixes = true;
590     fwc->get_dev_path = core99_fw_dev_path;
591 }
592 
593 static char *core99_get_via_config(Object *obj, Error **errp)
594 {
595     Core99MachineState *cms = CORE99_MACHINE(obj);
596 
597     switch (cms->via_config) {
598     default:
599     case CORE99_VIA_CONFIG_CUDA:
600         return g_strdup("cuda");
601 
602     case CORE99_VIA_CONFIG_PMU:
603         return g_strdup("pmu");
604 
605     case CORE99_VIA_CONFIG_PMU_ADB:
606         return g_strdup("pmu-adb");
607     }
608 }
609 
610 static void core99_set_via_config(Object *obj, const char *value, Error **errp)
611 {
612     Core99MachineState *cms = CORE99_MACHINE(obj);
613 
614     if (!strcmp(value, "cuda")) {
615         cms->via_config = CORE99_VIA_CONFIG_CUDA;
616     } else if (!strcmp(value, "pmu")) {
617         cms->via_config = CORE99_VIA_CONFIG_PMU;
618     } else if (!strcmp(value, "pmu-adb")) {
619         cms->via_config = CORE99_VIA_CONFIG_PMU_ADB;
620     } else {
621         error_setg(errp, "Invalid via value");
622         error_append_hint(errp, "Valid values are cuda, pmu, pmu-adb.\n");
623     }
624 }
625 
626 static void core99_instance_init(Object *obj)
627 {
628     Core99MachineState *cms = CORE99_MACHINE(obj);
629 
630     /* Default via_config is CORE99_VIA_CONFIG_CUDA */
631     cms->via_config = CORE99_VIA_CONFIG_CUDA;
632     object_property_add_str(obj, "via", core99_get_via_config,
633                             core99_set_via_config, NULL);
634     object_property_set_description(obj, "via",
635                                     "Set VIA configuration. "
636                                     "Valid values are cuda, pmu and pmu-adb",
637                                     NULL);
638 
639     return;
640 }
641 
642 static const TypeInfo core99_machine_info = {
643     .name          = MACHINE_TYPE_NAME("mac99"),
644     .parent        = TYPE_MACHINE,
645     .class_init    = core99_machine_class_init,
646     .instance_init = core99_instance_init,
647     .instance_size = sizeof(Core99MachineState),
648     .interfaces = (InterfaceInfo[]) {
649         { TYPE_FW_PATH_PROVIDER },
650         { }
651     },
652 };
653 
654 static void mac_machine_register_types(void)
655 {
656     type_register_static(&core99_machine_info);
657 }
658 
659 type_init(mac_machine_register_types)
660