xref: /openbmc/qemu/hw/ppc/mac_newworld.c (revision 37337472e77ee51f3d35b377684fd70368261c3d)
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     DeviceState *uninorth_internal_dev = NULL, *uninorth_agp_dev = NULL;
143     hwaddr nvram_addr = 0xFFF04000;
144     uint64_t tbfreq;
145     unsigned int smp_cpus = machine->smp.cpus;
146 
147     linux_boot = (kernel_filename != NULL);
148 
149     /* init CPUs */
150     for (i = 0; i < smp_cpus; i++) {
151         cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
152         env = &cpu->env;
153 
154         /* Set time-base frequency to 100 Mhz */
155         cpu_ppc_tb_init(env, TBFREQ);
156         qemu_register_reset(ppc_core99_reset, cpu);
157     }
158 
159     /* allocate RAM */
160     if (machine->ram_size > 2 * GiB) {
161         error_report("RAM size more than 2 GiB is not supported");
162         exit(1);
163     }
164     memory_region_add_subregion(get_system_memory(), 0, machine->ram);
165 
166     /* allocate and load firmware ROM */
167     memory_region_init_rom(bios, NULL, "ppc_core99.bios", PROM_SIZE,
168                            &error_fatal);
169     memory_region_add_subregion(get_system_memory(), PROM_BASE, bios);
170 
171     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
172     if (filename) {
173         /* Load OpenBIOS (ELF) */
174         bios_size = load_elf(filename, NULL, NULL, NULL, NULL,
175                              NULL, NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0);
176 
177         if (bios_size <= 0) {
178             /* or load binary ROM image */
179             bios_size = load_image_targphys(filename, PROM_BASE, PROM_SIZE);
180         }
181         g_free(filename);
182     } else {
183         bios_size = -1;
184     }
185     if (bios_size < 0 || bios_size > PROM_SIZE) {
186         error_report("could not load PowerPC bios '%s'", bios_name);
187         exit(1);
188     }
189 
190     if (linux_boot) {
191         int bswap_needed;
192 
193 #ifdef BSWAP_NEEDED
194         bswap_needed = 1;
195 #else
196         bswap_needed = 0;
197 #endif
198         kernel_base = KERNEL_LOAD_ADDR;
199 
200         kernel_size = load_elf(kernel_filename, NULL,
201                                translate_kernel_address, NULL, NULL, NULL,
202                                NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0);
203         if (kernel_size < 0)
204             kernel_size = load_aout(kernel_filename, kernel_base,
205                                     ram_size - kernel_base, bswap_needed,
206                                     TARGET_PAGE_SIZE);
207         if (kernel_size < 0)
208             kernel_size = load_image_targphys(kernel_filename,
209                                               kernel_base,
210                                               ram_size - kernel_base);
211         if (kernel_size < 0) {
212             error_report("could not load kernel '%s'", kernel_filename);
213             exit(1);
214         }
215         /* load initrd */
216         if (initrd_filename) {
217             initrd_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
218             initrd_size = load_image_targphys(initrd_filename, initrd_base,
219                                               ram_size - initrd_base);
220             if (initrd_size < 0) {
221                 error_report("could not load initial ram disk '%s'",
222                              initrd_filename);
223                 exit(1);
224             }
225             cmdline_base = TARGET_PAGE_ALIGN(initrd_base + initrd_size);
226         } else {
227             initrd_base = 0;
228             initrd_size = 0;
229             cmdline_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
230         }
231         ppc_boot_device = 'm';
232     } else {
233         kernel_base = 0;
234         kernel_size = 0;
235         initrd_base = 0;
236         initrd_size = 0;
237         ppc_boot_device = '\0';
238         /* We consider that NewWorld PowerMac never have any floppy drive
239          * For now, OHW cannot boot from the network.
240          */
241         for (i = 0; boot_device[i] != '\0'; i++) {
242             if (boot_device[i] >= 'c' && boot_device[i] <= 'f') {
243                 ppc_boot_device = boot_device[i];
244                 break;
245             }
246         }
247         if (ppc_boot_device == '\0') {
248             error_report("No valid boot device for Mac99 machine");
249             exit(1);
250         }
251     }
252 
253     /* UniN init */
254     dev = qdev_new(TYPE_UNI_NORTH);
255     s = SYS_BUS_DEVICE(dev);
256     sysbus_realize_and_unref(s, &error_fatal);
257     memory_region_add_subregion(get_system_memory(), 0xf8000000,
258                                 sysbus_mmio_get_region(s, 0));
259 
260     openpic_irqs = g_new0(IrqLines, smp_cpus);
261     for (i = 0; i < smp_cpus; i++) {
262         /* Mac99 IRQ connection between OpenPIC outputs pins
263          * and PowerPC input pins
264          */
265         switch (PPC_INPUT(env)) {
266         case PPC_FLAGS_INPUT_6xx:
267             openpic_irqs[i].irq[OPENPIC_OUTPUT_INT] =
268                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
269             openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
270                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
271             openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
272                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP];
273             /* Not connected ? */
274             openpic_irqs[i].irq[OPENPIC_OUTPUT_DEBUG] = NULL;
275             /* Check this */
276             openpic_irqs[i].irq[OPENPIC_OUTPUT_RESET] =
277                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET];
278             break;
279 #if defined(TARGET_PPC64)
280         case PPC_FLAGS_INPUT_970:
281             openpic_irqs[i].irq[OPENPIC_OUTPUT_INT] =
282                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
283             openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
284                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
285             openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
286                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP];
287             /* Not connected ? */
288             openpic_irqs[i].irq[OPENPIC_OUTPUT_DEBUG] = NULL;
289             /* Check this */
290             openpic_irqs[i].irq[OPENPIC_OUTPUT_RESET] =
291                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET];
292             break;
293 #endif /* defined(TARGET_PPC64) */
294         default:
295             error_report("Bus model not supported on mac99 machine");
296             exit(1);
297         }
298     }
299 
300     if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) {
301         /* 970 gets a U3 bus */
302         /* Uninorth AGP bus */
303         dev = qdev_new(TYPE_U3_AGP_HOST_BRIDGE);
304         sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
305         uninorth_pci = U3_AGP_HOST_BRIDGE(dev);
306         s = SYS_BUS_DEVICE(dev);
307         /* PCI hole */
308         memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
309                                     sysbus_mmio_get_region(s, 2));
310         /* Register 8 MB of ISA IO space */
311         memory_region_add_subregion(get_system_memory(), 0xf2000000,
312                                     sysbus_mmio_get_region(s, 3));
313         sysbus_mmio_map(s, 0, 0xf0800000);
314         sysbus_mmio_map(s, 1, 0xf0c00000);
315 
316         machine_arch = ARCH_MAC99_U3;
317     } else {
318         /* Use values found on a real PowerMac */
319         /* Uninorth AGP bus */
320         uninorth_agp_dev = qdev_new(TYPE_UNI_NORTH_AGP_HOST_BRIDGE);
321         s = SYS_BUS_DEVICE(uninorth_agp_dev);
322         sysbus_realize_and_unref(s, &error_fatal);
323         sysbus_mmio_map(s, 0, 0xf0800000);
324         sysbus_mmio_map(s, 1, 0xf0c00000);
325 
326         /* Uninorth internal bus */
327         uninorth_internal_dev = qdev_new(
328                                 TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE);
329         s = SYS_BUS_DEVICE(uninorth_internal_dev);
330         sysbus_realize_and_unref(s, &error_fatal);
331         sysbus_mmio_map(s, 0, 0xf4800000);
332         sysbus_mmio_map(s, 1, 0xf4c00000);
333 
334         /* Uninorth main bus */
335         dev = qdev_new(TYPE_UNI_NORTH_PCI_HOST_BRIDGE);
336         qdev_prop_set_uint32(dev, "ofw-addr", 0xf2000000);
337         sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
338         uninorth_pci = UNI_NORTH_PCI_HOST_BRIDGE(dev);
339         s = SYS_BUS_DEVICE(dev);
340         /* PCI hole */
341         memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
342                                     sysbus_mmio_get_region(s, 2));
343         /* Register 8 MB of ISA IO space */
344         memory_region_add_subregion(get_system_memory(), 0xf2000000,
345                                     sysbus_mmio_get_region(s, 3));
346         sysbus_mmio_map(s, 0, 0xf2800000);
347         sysbus_mmio_map(s, 1, 0xf2c00000);
348 
349         machine_arch = ARCH_MAC99;
350     }
351 
352     machine->usb |= defaults_enabled() && !machine->usb_disabled;
353     has_pmu = (core99_machine->via_config != CORE99_VIA_CONFIG_CUDA);
354     has_adb = (core99_machine->via_config == CORE99_VIA_CONFIG_CUDA ||
355                core99_machine->via_config == CORE99_VIA_CONFIG_PMU_ADB);
356 
357     /* Timebase Frequency */
358     if (kvm_enabled()) {
359         tbfreq = kvmppc_get_tbfreq();
360     } else {
361         tbfreq = TBFREQ;
362     }
363 
364     /* init basic PC hardware */
365     pci_bus = PCI_HOST_BRIDGE(uninorth_pci)->bus;
366 
367     /* MacIO */
368     macio = pci_new(-1, TYPE_NEWWORLD_MACIO);
369     dev = DEVICE(macio);
370     qdev_prop_set_uint64(dev, "frequency", tbfreq);
371     qdev_prop_set_bit(dev, "has-pmu", has_pmu);
372     qdev_prop_set_bit(dev, "has-adb", has_adb);
373 
374     escc = ESCC(object_resolve_path_component(OBJECT(macio), "escc"));
375     qdev_prop_set_chr(DEVICE(escc), "chrA", serial_hd(0));
376     qdev_prop_set_chr(DEVICE(escc), "chrB", serial_hd(1));
377 
378     pci_realize_and_unref(macio, pci_bus, &error_fatal);
379 
380     pic_dev = DEVICE(object_resolve_path_component(OBJECT(macio), "pic"));
381     for (i = 0; i < 4; i++) {
382         qdev_connect_gpio_out(DEVICE(uninorth_pci), i,
383                               qdev_get_gpio_in(pic_dev, 0x1b + i));
384     }
385 
386     /* TODO: additional PCI buses only wired up for 32-bit machines */
387     if (PPC_INPUT(env) != PPC_FLAGS_INPUT_970) {
388         /* Uninorth AGP bus */
389         for (i = 0; i < 4; i++) {
390             qdev_connect_gpio_out(uninorth_agp_dev, i,
391                                   qdev_get_gpio_in(pic_dev, 0x1b + i));
392         }
393 
394         /* Uninorth internal bus */
395         for (i = 0; i < 4; i++) {
396             qdev_connect_gpio_out(uninorth_internal_dev, i,
397                                   qdev_get_gpio_in(pic_dev, 0x1b + i));
398         }
399     }
400 
401     /* OpenPIC */
402     s = SYS_BUS_DEVICE(pic_dev);
403     k = 0;
404     for (i = 0; i < smp_cpus; i++) {
405         for (j = 0; j < OPENPIC_OUTPUT_NB; j++) {
406             sysbus_connect_irq(s, k++, openpic_irqs[i].irq[j]);
407         }
408     }
409     g_free(openpic_irqs);
410 
411     /* We only emulate 2 out of 3 IDE controllers for now */
412     ide_drive_get(hd, ARRAY_SIZE(hd));
413 
414     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
415                                                         "ide[0]"));
416     macio_ide_init_drives(macio_ide, hd);
417 
418     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
419                                                         "ide[1]"));
420     macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]);
421 
422     if (has_adb) {
423         if (has_pmu) {
424             dev = DEVICE(object_resolve_path_component(OBJECT(macio), "pmu"));
425         } else {
426             dev = DEVICE(object_resolve_path_component(OBJECT(macio), "cuda"));
427         }
428 
429         adb_bus = qdev_get_child_bus(dev, "adb.0");
430         dev = qdev_new(TYPE_ADB_KEYBOARD);
431         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
432 
433         dev = qdev_new(TYPE_ADB_MOUSE);
434         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
435     }
436 
437     if (machine->usb) {
438         pci_create_simple(pci_bus, -1, "pci-ohci");
439 
440         /* U3 needs to use USB for input because Linux doesn't support via-cuda
441         on PPC64 */
442         if (!has_adb || machine_arch == ARCH_MAC99_U3) {
443             USBBus *usb_bus = usb_bus_find(-1);
444 
445             usb_create_simple(usb_bus, "usb-kbd");
446             usb_create_simple(usb_bus, "usb-mouse");
447         }
448     }
449 
450     pci_vga_init(pci_bus);
451 
452     if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8) {
453         graphic_depth = 15;
454     }
455 
456     for (i = 0; i < nb_nics; i++) {
457         pci_nic_init_nofail(&nd_table[i], pci_bus, "sungem", NULL);
458     }
459 
460     /* The NewWorld NVRAM is not located in the MacIO device */
461     if (kvm_enabled() && qemu_real_host_page_size > 4096) {
462         /* We can't combine read-write and read-only in a single page, so
463            move the NVRAM out of ROM again for KVM */
464         nvram_addr = 0xFFE00000;
465     }
466     dev = qdev_new(TYPE_MACIO_NVRAM);
467     qdev_prop_set_uint32(dev, "size", 0x2000);
468     qdev_prop_set_uint32(dev, "it_shift", 1);
469     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
470     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, nvram_addr);
471     nvr = MACIO_NVRAM(dev);
472     pmac_format_nvram_partition(nvr, 0x2000);
473     /* No PCI init: the BIOS will do it */
474 
475     dev = qdev_new(TYPE_FW_CFG_MEM);
476     fw_cfg = FW_CFG(dev);
477     qdev_prop_set_uint32(dev, "data_width", 1);
478     qdev_prop_set_bit(dev, "dma_enabled", false);
479     object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
480                               OBJECT(fw_cfg));
481     s = SYS_BUS_DEVICE(dev);
482     sysbus_realize_and_unref(s, &error_fatal);
483     sysbus_mmio_map(s, 0, CFG_ADDR);
484     sysbus_mmio_map(s, 1, CFG_ADDR + 2);
485 
486     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
487     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)machine->smp.max_cpus);
488     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
489     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, machine_arch);
490     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
491     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
492     if (kernel_cmdline) {
493         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
494         pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
495     } else {
496         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
497     }
498     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
499     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
500     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
501 
502     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
503     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
504     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
505 
506     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_VIACONFIG, core99_machine->via_config);
507 
508     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
509     if (kvm_enabled()) {
510         uint8_t *hypercall;
511 
512         hypercall = g_malloc(16);
513         kvmppc_get_hypercall(env, hypercall, 16);
514         fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
515         fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
516     }
517     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq);
518     /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
519     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ);
520     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ);
521     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_NVRAM_ADDR, nvram_addr);
522 
523     /* MacOS NDRV VGA driver */
524     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, NDRV_VGA_FILENAME);
525     if (filename) {
526         gchar *ndrv_file;
527         gsize ndrv_size;
528 
529         if (g_file_get_contents(filename, &ndrv_file, &ndrv_size, NULL)) {
530             fw_cfg_add_file(fw_cfg, "ndrv/qemu_vga.ndrv", ndrv_file, ndrv_size);
531         }
532         g_free(filename);
533     }
534 
535     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
536 }
537 
538 /*
539  * Implementation of an interface to adjust firmware path
540  * for the bootindex property handling.
541  */
542 static char *core99_fw_dev_path(FWPathProvider *p, BusState *bus,
543                                 DeviceState *dev)
544 {
545     PCIDevice *pci;
546     MACIOIDEState *macio_ide;
547 
548     if (!strcmp(object_get_typename(OBJECT(dev)), "macio-newworld")) {
549         pci = PCI_DEVICE(dev);
550         return g_strdup_printf("mac-io@%x", PCI_SLOT(pci->devfn));
551     }
552 
553     if (!strcmp(object_get_typename(OBJECT(dev)), "macio-ide")) {
554         macio_ide = MACIO_IDE(dev);
555         return g_strdup_printf("ata-3@%x", macio_ide->addr);
556     }
557 
558     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-hd")) {
559         return g_strdup("disk");
560     }
561 
562     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
563         return g_strdup("cdrom");
564     }
565 
566     if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
567         return g_strdup("disk");
568     }
569 
570     return NULL;
571 }
572 static int core99_kvm_type(MachineState *machine, const char *arg)
573 {
574     /* Always force PR KVM */
575     return 2;
576 }
577 
578 static void core99_machine_class_init(ObjectClass *oc, void *data)
579 {
580     MachineClass *mc = MACHINE_CLASS(oc);
581     FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
582 
583     mc->desc = "Mac99 based PowerMAC";
584     mc->init = ppc_core99_init;
585     mc->block_default_type = IF_IDE;
586     mc->max_cpus = MAX_CPUS;
587     mc->default_boot_order = "cd";
588     mc->default_display = "std";
589     mc->kvm_type = core99_kvm_type;
590 #ifdef TARGET_PPC64
591     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("970fx_v3.1");
592 #else
593     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("7400_v2.9");
594 #endif
595     mc->default_ram_id = "ppc_core99.ram";
596     mc->ignore_boot_device_suffixes = true;
597     fwc->get_dev_path = core99_fw_dev_path;
598 }
599 
600 static char *core99_get_via_config(Object *obj, Error **errp)
601 {
602     Core99MachineState *cms = CORE99_MACHINE(obj);
603 
604     switch (cms->via_config) {
605     default:
606     case CORE99_VIA_CONFIG_CUDA:
607         return g_strdup("cuda");
608 
609     case CORE99_VIA_CONFIG_PMU:
610         return g_strdup("pmu");
611 
612     case CORE99_VIA_CONFIG_PMU_ADB:
613         return g_strdup("pmu-adb");
614     }
615 }
616 
617 static void core99_set_via_config(Object *obj, const char *value, Error **errp)
618 {
619     Core99MachineState *cms = CORE99_MACHINE(obj);
620 
621     if (!strcmp(value, "cuda")) {
622         cms->via_config = CORE99_VIA_CONFIG_CUDA;
623     } else if (!strcmp(value, "pmu")) {
624         cms->via_config = CORE99_VIA_CONFIG_PMU;
625     } else if (!strcmp(value, "pmu-adb")) {
626         cms->via_config = CORE99_VIA_CONFIG_PMU_ADB;
627     } else {
628         error_setg(errp, "Invalid via value");
629         error_append_hint(errp, "Valid values are cuda, pmu, pmu-adb.\n");
630     }
631 }
632 
633 static void core99_instance_init(Object *obj)
634 {
635     Core99MachineState *cms = CORE99_MACHINE(obj);
636 
637     /* Default via_config is CORE99_VIA_CONFIG_CUDA */
638     cms->via_config = CORE99_VIA_CONFIG_CUDA;
639     object_property_add_str(obj, "via", core99_get_via_config,
640                             core99_set_via_config);
641     object_property_set_description(obj, "via",
642                                     "Set VIA configuration. "
643                                     "Valid values are cuda, pmu and pmu-adb");
644 
645     return;
646 }
647 
648 static const TypeInfo core99_machine_info = {
649     .name          = MACHINE_TYPE_NAME("mac99"),
650     .parent        = TYPE_MACHINE,
651     .class_init    = core99_machine_class_init,
652     .instance_init = core99_instance_init,
653     .instance_size = sizeof(Core99MachineState),
654     .interfaces = (InterfaceInfo[]) {
655         { TYPE_FW_PATH_PROVIDER },
656         { }
657     },
658 };
659 
660 static void mac_machine_register_types(void)
661 {
662     type_register_static(&core99_machine_info);
663 }
664 
665 type_init(mac_machine_register_types)
666