xref: /openbmc/qemu/hw/ppc/mac_newworld.c (revision c63ca4ff)
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 "qemu/datadir.h"
52 #include "qapi/error.h"
53 #include "hw/ppc/ppc.h"
54 #include "hw/qdev-properties.h"
55 #include "hw/ppc/mac.h"
56 #include "hw/input/adb.h"
57 #include "hw/ppc/mac_dbdma.h"
58 #include "hw/pci/pci.h"
59 #include "net/net.h"
60 #include "sysemu/sysemu.h"
61 #include "hw/boards.h"
62 #include "hw/nvram/fw_cfg.h"
63 #include "hw/char/escc.h"
64 #include "hw/misc/macio/macio.h"
65 #include "hw/ppc/openpic.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 #define PROM_BASE 0xfff00000
87 #define PROM_SIZE (1 * MiB)
88 
89 static void fw_cfg_boot_set(void *opaque, const char *boot_device,
90                             Error **errp)
91 {
92     fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
93 }
94 
95 static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
96 {
97     return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR;
98 }
99 
100 static void ppc_core99_reset(void *opaque)
101 {
102     PowerPCCPU *cpu = opaque;
103 
104     cpu_reset(CPU(cpu));
105     /* 970 CPUs want to get their initial IP as part of their boot protocol */
106     cpu->env.nip = PROM_BASE + 0x100;
107 }
108 
109 /* PowerPC Mac99 hardware initialisation */
110 static void ppc_core99_init(MachineState *machine)
111 {
112     ram_addr_t ram_size = machine->ram_size;
113     const char *bios_name = machine->firmware ?: PROM_FILENAME;
114     const char *kernel_filename = machine->kernel_filename;
115     const char *kernel_cmdline = machine->kernel_cmdline;
116     const char *initrd_filename = machine->initrd_filename;
117     const char *boot_device = machine->boot_order;
118     Core99MachineState *core99_machine = CORE99_MACHINE(machine);
119     PowerPCCPU *cpu = NULL;
120     CPUPPCState *env = NULL;
121     char *filename;
122     IrqLines *openpic_irqs;
123     int linux_boot, i, j, k;
124     MemoryRegion *bios = g_new(MemoryRegion, 1);
125     hwaddr kernel_base, initrd_base, cmdline_base = 0;
126     long kernel_size, initrd_size;
127     UNINHostState *uninorth_pci;
128     PCIBus *pci_bus;
129     PCIDevice *macio;
130     ESCCState *escc;
131     bool has_pmu, has_adb;
132     MACIOIDEState *macio_ide;
133     BusState *adb_bus;
134     MacIONVRAMState *nvr;
135     int bios_size;
136     int ppc_boot_device;
137     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
138     void *fw_cfg;
139     int machine_arch;
140     SysBusDevice *s;
141     DeviceState *dev, *pic_dev;
142     hwaddr nvram_addr = 0xFFF04000;
143     uint64_t tbfreq;
144     unsigned int smp_cpus = machine->smp.cpus;
145 
146     linux_boot = (kernel_filename != NULL);
147 
148     /* init CPUs */
149     for (i = 0; i < smp_cpus; i++) {
150         cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
151         env = &cpu->env;
152 
153         /* Set time-base frequency to 100 Mhz */
154         cpu_ppc_tb_init(env, TBFREQ);
155         qemu_register_reset(ppc_core99_reset, cpu);
156     }
157 
158     /* allocate RAM */
159     memory_region_add_subregion(get_system_memory(), 0, machine->ram);
160 
161     /* allocate and load firmware ROM */
162     memory_region_init_rom(bios, NULL, "ppc_core99.bios", PROM_SIZE,
163                            &error_fatal);
164     memory_region_add_subregion(get_system_memory(), PROM_BASE, bios);
165 
166     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
167     if (filename) {
168         /* Load OpenBIOS (ELF) */
169         bios_size = load_elf(filename, NULL, NULL, NULL, NULL,
170                              NULL, NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0);
171 
172         if (bios_size <= 0) {
173             /* or load binary ROM image */
174             bios_size = load_image_targphys(filename, PROM_BASE, PROM_SIZE);
175         }
176         g_free(filename);
177     } else {
178         bios_size = -1;
179     }
180     if (bios_size < 0 || bios_size > PROM_SIZE) {
181         error_report("could not load PowerPC bios '%s'", bios_name);
182         exit(1);
183     }
184 
185     if (linux_boot) {
186         int bswap_needed;
187 
188 #ifdef BSWAP_NEEDED
189         bswap_needed = 1;
190 #else
191         bswap_needed = 0;
192 #endif
193         kernel_base = KERNEL_LOAD_ADDR;
194 
195         kernel_size = load_elf(kernel_filename, NULL,
196                                translate_kernel_address, NULL, NULL, NULL,
197                                NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0);
198         if (kernel_size < 0)
199             kernel_size = load_aout(kernel_filename, kernel_base,
200                                     ram_size - kernel_base, bswap_needed,
201                                     TARGET_PAGE_SIZE);
202         if (kernel_size < 0)
203             kernel_size = load_image_targphys(kernel_filename,
204                                               kernel_base,
205                                               ram_size - kernel_base);
206         if (kernel_size < 0) {
207             error_report("could not load kernel '%s'", kernel_filename);
208             exit(1);
209         }
210         /* load initrd */
211         if (initrd_filename) {
212             initrd_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
213             initrd_size = load_image_targphys(initrd_filename, initrd_base,
214                                               ram_size - initrd_base);
215             if (initrd_size < 0) {
216                 error_report("could not load initial ram disk '%s'",
217                              initrd_filename);
218                 exit(1);
219             }
220             cmdline_base = TARGET_PAGE_ALIGN(initrd_base + initrd_size);
221         } else {
222             initrd_base = 0;
223             initrd_size = 0;
224             cmdline_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
225         }
226         ppc_boot_device = 'm';
227     } else {
228         kernel_base = 0;
229         kernel_size = 0;
230         initrd_base = 0;
231         initrd_size = 0;
232         ppc_boot_device = '\0';
233         /* We consider that NewWorld PowerMac never have any floppy drive
234          * For now, OHW cannot boot from the network.
235          */
236         for (i = 0; boot_device[i] != '\0'; i++) {
237             if (boot_device[i] >= 'c' && boot_device[i] <= 'f') {
238                 ppc_boot_device = boot_device[i];
239                 break;
240             }
241         }
242         if (ppc_boot_device == '\0') {
243             error_report("No valid boot device for Mac99 machine");
244             exit(1);
245         }
246     }
247 
248     /* UniN init */
249     dev = qdev_new(TYPE_UNI_NORTH);
250     s = SYS_BUS_DEVICE(dev);
251     sysbus_realize_and_unref(s, &error_fatal);
252     memory_region_add_subregion(get_system_memory(), 0xf8000000,
253                                 sysbus_mmio_get_region(s, 0));
254 
255     openpic_irqs = g_new0(IrqLines, smp_cpus);
256     for (i = 0; i < smp_cpus; i++) {
257         /* Mac99 IRQ connection between OpenPIC outputs pins
258          * and PowerPC input pins
259          */
260         switch (PPC_INPUT(env)) {
261         case PPC_FLAGS_INPUT_6xx:
262             openpic_irqs[i].irq[OPENPIC_OUTPUT_INT] =
263                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
264             openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
265                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
266             openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
267                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP];
268             /* Not connected ? */
269             openpic_irqs[i].irq[OPENPIC_OUTPUT_DEBUG] = NULL;
270             /* Check this */
271             openpic_irqs[i].irq[OPENPIC_OUTPUT_RESET] =
272                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET];
273             break;
274 #if defined(TARGET_PPC64)
275         case PPC_FLAGS_INPUT_970:
276             openpic_irqs[i].irq[OPENPIC_OUTPUT_INT] =
277                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
278             openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
279                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
280             openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
281                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP];
282             /* Not connected ? */
283             openpic_irqs[i].irq[OPENPIC_OUTPUT_DEBUG] = NULL;
284             /* Check this */
285             openpic_irqs[i].irq[OPENPIC_OUTPUT_RESET] =
286                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET];
287             break;
288 #endif /* defined(TARGET_PPC64) */
289         default:
290             error_report("Bus model not supported on mac99 machine");
291             exit(1);
292         }
293     }
294 
295     pic_dev = qdev_new(TYPE_OPENPIC);
296     qdev_prop_set_uint32(pic_dev, "model", OPENPIC_MODEL_KEYLARGO);
297     s = SYS_BUS_DEVICE(pic_dev);
298     sysbus_realize_and_unref(s, &error_fatal);
299     k = 0;
300     for (i = 0; i < smp_cpus; i++) {
301         for (j = 0; j < OPENPIC_OUTPUT_NB; j++) {
302             sysbus_connect_irq(s, k++, openpic_irqs[i].irq[j]);
303         }
304     }
305     g_free(openpic_irqs);
306 
307     if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) {
308         /* 970 gets a U3 bus */
309         /* Uninorth AGP bus */
310         dev = qdev_new(TYPE_U3_AGP_HOST_BRIDGE);
311         sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
312         uninorth_pci = U3_AGP_HOST_BRIDGE(dev);
313         s = SYS_BUS_DEVICE(dev);
314         /* PCI hole */
315         memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
316                                     sysbus_mmio_get_region(s, 2));
317         /* Register 8 MB of ISA IO space */
318         memory_region_add_subregion(get_system_memory(), 0xf2000000,
319                                     sysbus_mmio_get_region(s, 3));
320         sysbus_mmio_map(s, 0, 0xf0800000);
321         sysbus_mmio_map(s, 1, 0xf0c00000);
322 
323         for (i = 0; i < 4; i++) {
324             qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(pic_dev, 0x1b + i));
325         }
326 
327         machine_arch = ARCH_MAC99_U3;
328     } else {
329         /* Use values found on a real PowerMac */
330         /* Uninorth AGP bus */
331         dev = qdev_new(TYPE_UNI_NORTH_AGP_HOST_BRIDGE);
332         s = SYS_BUS_DEVICE(dev);
333         sysbus_realize_and_unref(s, &error_fatal);
334         sysbus_mmio_map(s, 0, 0xf0800000);
335         sysbus_mmio_map(s, 1, 0xf0c00000);
336 
337         for (i = 0; i < 4; i++) {
338             qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(pic_dev, 0x1b + i));
339         }
340 
341         /* Uninorth internal bus */
342         dev = qdev_new(TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE);
343         s = SYS_BUS_DEVICE(dev);
344         sysbus_realize_and_unref(s, &error_fatal);
345         sysbus_mmio_map(s, 0, 0xf4800000);
346         sysbus_mmio_map(s, 1, 0xf4c00000);
347 
348         for (i = 0; i < 4; i++) {
349             qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(pic_dev, 0x1b + i));
350         }
351 
352         /* Uninorth main bus */
353         dev = qdev_new(TYPE_UNI_NORTH_PCI_HOST_BRIDGE);
354         qdev_prop_set_uint32(dev, "ofw-addr", 0xf2000000);
355         sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
356         uninorth_pci = UNI_NORTH_PCI_HOST_BRIDGE(dev);
357         s = SYS_BUS_DEVICE(dev);
358         /* PCI hole */
359         memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
360                                     sysbus_mmio_get_region(s, 2));
361         /* Register 8 MB of ISA IO space */
362         memory_region_add_subregion(get_system_memory(), 0xf2000000,
363                                     sysbus_mmio_get_region(s, 3));
364         sysbus_mmio_map(s, 0, 0xf2800000);
365         sysbus_mmio_map(s, 1, 0xf2c00000);
366 
367         for (i = 0; i < 4; i++) {
368             qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(pic_dev, 0x1b + i));
369         }
370 
371         machine_arch = ARCH_MAC99;
372     }
373 
374     machine->usb |= defaults_enabled() && !machine->usb_disabled;
375     has_pmu = (core99_machine->via_config != CORE99_VIA_CONFIG_CUDA);
376     has_adb = (core99_machine->via_config == CORE99_VIA_CONFIG_CUDA ||
377                core99_machine->via_config == CORE99_VIA_CONFIG_PMU_ADB);
378 
379     /* Timebase Frequency */
380     if (kvm_enabled()) {
381         tbfreq = kvmppc_get_tbfreq();
382     } else {
383         tbfreq = TBFREQ;
384     }
385 
386     /* init basic PC hardware */
387     pci_bus = PCI_HOST_BRIDGE(uninorth_pci)->bus;
388 
389     /* MacIO */
390     macio = pci_new(-1, TYPE_NEWWORLD_MACIO);
391     dev = DEVICE(macio);
392     qdev_prop_set_uint64(dev, "frequency", tbfreq);
393     qdev_prop_set_bit(dev, "has-pmu", has_pmu);
394     qdev_prop_set_bit(dev, "has-adb", has_adb);
395     object_property_set_link(OBJECT(macio), "pic", OBJECT(pic_dev),
396                              &error_abort);
397 
398     escc = ESCC(object_resolve_path_component(OBJECT(macio), "escc"));
399     qdev_prop_set_chr(DEVICE(escc), "chrA", serial_hd(0));
400     qdev_prop_set_chr(DEVICE(escc), "chrB", serial_hd(1));
401 
402     pci_realize_and_unref(macio, pci_bus, &error_fatal);
403 
404     /* We only emulate 2 out of 3 IDE controllers for now */
405     ide_drive_get(hd, ARRAY_SIZE(hd));
406 
407     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
408                                                         "ide[0]"));
409     macio_ide_init_drives(macio_ide, hd);
410 
411     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
412                                                         "ide[1]"));
413     macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]);
414 
415     if (has_adb) {
416         if (has_pmu) {
417             dev = DEVICE(object_resolve_path_component(OBJECT(macio), "pmu"));
418         } else {
419             dev = DEVICE(object_resolve_path_component(OBJECT(macio), "cuda"));
420         }
421 
422         adb_bus = qdev_get_child_bus(dev, "adb.0");
423         dev = qdev_new(TYPE_ADB_KEYBOARD);
424         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
425 
426         dev = qdev_new(TYPE_ADB_MOUSE);
427         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
428     }
429 
430     if (machine->usb) {
431         pci_create_simple(pci_bus, -1, "pci-ohci");
432 
433         /* U3 needs to use USB for input because Linux doesn't support via-cuda
434         on PPC64 */
435         if (!has_adb || machine_arch == ARCH_MAC99_U3) {
436             USBBus *usb_bus = usb_bus_find(-1);
437 
438             usb_create_simple(usb_bus, "usb-kbd");
439             usb_create_simple(usb_bus, "usb-mouse");
440         }
441     }
442 
443     pci_vga_init(pci_bus);
444 
445     if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8) {
446         graphic_depth = 15;
447     }
448 
449     for (i = 0; i < nb_nics; i++) {
450         pci_nic_init_nofail(&nd_table[i], pci_bus, "sungem", NULL);
451     }
452 
453     /* The NewWorld NVRAM is not located in the MacIO device */
454     if (kvm_enabled() && qemu_real_host_page_size > 4096) {
455         /* We can't combine read-write and read-only in a single page, so
456            move the NVRAM out of ROM again for KVM */
457         nvram_addr = 0xFFE00000;
458     }
459     dev = qdev_new(TYPE_MACIO_NVRAM);
460     qdev_prop_set_uint32(dev, "size", 0x2000);
461     qdev_prop_set_uint32(dev, "it_shift", 1);
462     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
463     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, nvram_addr);
464     nvr = MACIO_NVRAM(dev);
465     pmac_format_nvram_partition(nvr, 0x2000);
466     /* No PCI init: the BIOS will do it */
467 
468     dev = qdev_new(TYPE_FW_CFG_MEM);
469     fw_cfg = FW_CFG(dev);
470     qdev_prop_set_uint32(dev, "data_width", 1);
471     qdev_prop_set_bit(dev, "dma_enabled", false);
472     object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
473                               OBJECT(fw_cfg));
474     s = SYS_BUS_DEVICE(dev);
475     sysbus_realize_and_unref(s, &error_fatal);
476     sysbus_mmio_map(s, 0, CFG_ADDR);
477     sysbus_mmio_map(s, 1, CFG_ADDR + 2);
478 
479     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
480     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)machine->smp.max_cpus);
481     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
482     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, machine_arch);
483     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
484     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
485     if (kernel_cmdline) {
486         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
487         pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
488     } else {
489         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
490     }
491     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
492     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
493     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
494 
495     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
496     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
497     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
498 
499     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_VIACONFIG, core99_machine->via_config);
500 
501     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
502     if (kvm_enabled()) {
503         uint8_t *hypercall;
504 
505         hypercall = g_malloc(16);
506         kvmppc_get_hypercall(env, hypercall, 16);
507         fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
508         fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
509     }
510     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq);
511     /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
512     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ);
513     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ);
514     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_NVRAM_ADDR, nvram_addr);
515 
516     /* MacOS NDRV VGA driver */
517     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, NDRV_VGA_FILENAME);
518     if (filename) {
519         gchar *ndrv_file;
520         gsize ndrv_size;
521 
522         if (g_file_get_contents(filename, &ndrv_file, &ndrv_size, NULL)) {
523             fw_cfg_add_file(fw_cfg, "ndrv/qemu_vga.ndrv", ndrv_file, ndrv_size);
524         }
525         g_free(filename);
526     }
527 
528     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
529 }
530 
531 /*
532  * Implementation of an interface to adjust firmware path
533  * for the bootindex property handling.
534  */
535 static char *core99_fw_dev_path(FWPathProvider *p, BusState *bus,
536                                 DeviceState *dev)
537 {
538     PCIDevice *pci;
539     IDEBus *ide_bus;
540     IDEState *ide_s;
541     MACIOIDEState *macio_ide;
542 
543     if (!strcmp(object_get_typename(OBJECT(dev)), "macio-newworld")) {
544         pci = PCI_DEVICE(dev);
545         return g_strdup_printf("mac-io@%x", PCI_SLOT(pci->devfn));
546     }
547 
548     if (!strcmp(object_get_typename(OBJECT(dev)), "macio-ide")) {
549         macio_ide = MACIO_IDE(dev);
550         return g_strdup_printf("ata-3@%x", macio_ide->addr);
551     }
552 
553     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-drive")) {
554         ide_bus = IDE_BUS(qdev_get_parent_bus(dev));
555         ide_s = idebus_active_if(ide_bus);
556 
557         if (ide_s->drive_kind == IDE_CD) {
558             return g_strdup("cdrom");
559         }
560 
561         return g_strdup("disk");
562     }
563 
564     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-hd")) {
565         return g_strdup("disk");
566     }
567 
568     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
569         return g_strdup("cdrom");
570     }
571 
572     if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
573         return g_strdup("disk");
574     }
575 
576     return NULL;
577 }
578 static int core99_kvm_type(MachineState *machine, const char *arg)
579 {
580     /* Always force PR KVM */
581     return 2;
582 }
583 
584 static void core99_machine_class_init(ObjectClass *oc, void *data)
585 {
586     MachineClass *mc = MACHINE_CLASS(oc);
587     FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
588 
589     mc->desc = "Mac99 based PowerMAC";
590     mc->init = ppc_core99_init;
591     mc->block_default_type = IF_IDE;
592     mc->max_cpus = MAX_CPUS;
593     mc->default_boot_order = "cd";
594     mc->default_display = "std";
595     mc->kvm_type = core99_kvm_type;
596 #ifdef TARGET_PPC64
597     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("970fx_v3.1");
598 #else
599     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("7400_v2.9");
600 #endif
601     mc->default_ram_id = "ppc_core99.ram";
602     mc->ignore_boot_device_suffixes = true;
603     fwc->get_dev_path = core99_fw_dev_path;
604 }
605 
606 static char *core99_get_via_config(Object *obj, Error **errp)
607 {
608     Core99MachineState *cms = CORE99_MACHINE(obj);
609 
610     switch (cms->via_config) {
611     default:
612     case CORE99_VIA_CONFIG_CUDA:
613         return g_strdup("cuda");
614 
615     case CORE99_VIA_CONFIG_PMU:
616         return g_strdup("pmu");
617 
618     case CORE99_VIA_CONFIG_PMU_ADB:
619         return g_strdup("pmu-adb");
620     }
621 }
622 
623 static void core99_set_via_config(Object *obj, const char *value, Error **errp)
624 {
625     Core99MachineState *cms = CORE99_MACHINE(obj);
626 
627     if (!strcmp(value, "cuda")) {
628         cms->via_config = CORE99_VIA_CONFIG_CUDA;
629     } else if (!strcmp(value, "pmu")) {
630         cms->via_config = CORE99_VIA_CONFIG_PMU;
631     } else if (!strcmp(value, "pmu-adb")) {
632         cms->via_config = CORE99_VIA_CONFIG_PMU_ADB;
633     } else {
634         error_setg(errp, "Invalid via value");
635         error_append_hint(errp, "Valid values are cuda, pmu, pmu-adb.\n");
636     }
637 }
638 
639 static void core99_instance_init(Object *obj)
640 {
641     Core99MachineState *cms = CORE99_MACHINE(obj);
642 
643     /* Default via_config is CORE99_VIA_CONFIG_CUDA */
644     cms->via_config = CORE99_VIA_CONFIG_CUDA;
645     object_property_add_str(obj, "via", core99_get_via_config,
646                             core99_set_via_config);
647     object_property_set_description(obj, "via",
648                                     "Set VIA configuration. "
649                                     "Valid values are cuda, pmu and pmu-adb");
650 
651     return;
652 }
653 
654 static const TypeInfo core99_machine_info = {
655     .name          = MACHINE_TYPE_NAME("mac99"),
656     .parent        = TYPE_MACHINE,
657     .class_init    = core99_machine_class_init,
658     .instance_init = core99_instance_init,
659     .instance_size = sizeof(Core99MachineState),
660     .interfaces = (InterfaceInfo[]) {
661         { TYPE_FW_PATH_PROVIDER },
662         { }
663     },
664 };
665 
666 static void mac_machine_register_types(void)
667 {
668     type_register_static(&core99_machine_info);
669 }
670 
671 type_init(mac_machine_register_types)
672