xref: /openbmc/qemu/hw/ppc/mac_newworld.c (revision c00506aa)
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     memory_region_add_subregion(get_system_memory(), 0, machine->ram);
161 
162     /* allocate and load firmware ROM */
163     memory_region_init_rom(bios, NULL, "ppc_core99.bios", PROM_SIZE,
164                            &error_fatal);
165     memory_region_add_subregion(get_system_memory(), PROM_BASE, bios);
166 
167     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
168     if (filename) {
169         /* Load OpenBIOS (ELF) */
170         bios_size = load_elf(filename, NULL, NULL, NULL, NULL,
171                              NULL, NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0);
172 
173         if (bios_size <= 0) {
174             /* or load binary ROM image */
175             bios_size = load_image_targphys(filename, PROM_BASE, PROM_SIZE);
176         }
177         g_free(filename);
178     } else {
179         bios_size = -1;
180     }
181     if (bios_size < 0 || bios_size > PROM_SIZE) {
182         error_report("could not load PowerPC bios '%s'", bios_name);
183         exit(1);
184     }
185 
186     if (linux_boot) {
187         int bswap_needed;
188 
189 #ifdef BSWAP_NEEDED
190         bswap_needed = 1;
191 #else
192         bswap_needed = 0;
193 #endif
194         kernel_base = KERNEL_LOAD_ADDR;
195 
196         kernel_size = load_elf(kernel_filename, NULL,
197                                translate_kernel_address, NULL, NULL, NULL,
198                                NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0);
199         if (kernel_size < 0)
200             kernel_size = load_aout(kernel_filename, kernel_base,
201                                     ram_size - kernel_base, bswap_needed,
202                                     TARGET_PAGE_SIZE);
203         if (kernel_size < 0)
204             kernel_size = load_image_targphys(kernel_filename,
205                                               kernel_base,
206                                               ram_size - kernel_base);
207         if (kernel_size < 0) {
208             error_report("could not load kernel '%s'", kernel_filename);
209             exit(1);
210         }
211         /* load initrd */
212         if (initrd_filename) {
213             initrd_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
214             initrd_size = load_image_targphys(initrd_filename, initrd_base,
215                                               ram_size - initrd_base);
216             if (initrd_size < 0) {
217                 error_report("could not load initial ram disk '%s'",
218                              initrd_filename);
219                 exit(1);
220             }
221             cmdline_base = TARGET_PAGE_ALIGN(initrd_base + initrd_size);
222         } else {
223             initrd_base = 0;
224             initrd_size = 0;
225             cmdline_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
226         }
227         ppc_boot_device = 'm';
228     } else {
229         kernel_base = 0;
230         kernel_size = 0;
231         initrd_base = 0;
232         initrd_size = 0;
233         ppc_boot_device = '\0';
234         /* We consider that NewWorld PowerMac never have any floppy drive
235          * For now, OHW cannot boot from the network.
236          */
237         for (i = 0; boot_device[i] != '\0'; i++) {
238             if (boot_device[i] >= 'c' && boot_device[i] <= 'f') {
239                 ppc_boot_device = boot_device[i];
240                 break;
241             }
242         }
243         if (ppc_boot_device == '\0') {
244             error_report("No valid boot device for Mac99 machine");
245             exit(1);
246         }
247     }
248 
249     /* UniN init */
250     dev = qdev_new(TYPE_UNI_NORTH);
251     s = SYS_BUS_DEVICE(dev);
252     sysbus_realize_and_unref(s, &error_fatal);
253     memory_region_add_subregion(get_system_memory(), 0xf8000000,
254                                 sysbus_mmio_get_region(s, 0));
255 
256     openpic_irqs = g_new0(IrqLines, smp_cpus);
257     for (i = 0; i < smp_cpus; i++) {
258         /* Mac99 IRQ connection between OpenPIC outputs pins
259          * and PowerPC input pins
260          */
261         switch (PPC_INPUT(env)) {
262         case PPC_FLAGS_INPUT_6xx:
263             openpic_irqs[i].irq[OPENPIC_OUTPUT_INT] =
264                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
265             openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
266                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
267             openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
268                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP];
269             /* Not connected ? */
270             openpic_irqs[i].irq[OPENPIC_OUTPUT_DEBUG] = NULL;
271             /* Check this */
272             openpic_irqs[i].irq[OPENPIC_OUTPUT_RESET] =
273                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET];
274             break;
275 #if defined(TARGET_PPC64)
276         case PPC_FLAGS_INPUT_970:
277             openpic_irqs[i].irq[OPENPIC_OUTPUT_INT] =
278                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
279             openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
280                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
281             openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
282                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP];
283             /* Not connected ? */
284             openpic_irqs[i].irq[OPENPIC_OUTPUT_DEBUG] = NULL;
285             /* Check this */
286             openpic_irqs[i].irq[OPENPIC_OUTPUT_RESET] =
287                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET];
288             break;
289 #endif /* defined(TARGET_PPC64) */
290         default:
291             error_report("Bus model not supported on mac99 machine");
292             exit(1);
293         }
294     }
295 
296     if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) {
297         /* 970 gets a U3 bus */
298         /* Uninorth AGP bus */
299         dev = qdev_new(TYPE_U3_AGP_HOST_BRIDGE);
300         sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
301         uninorth_pci = U3_AGP_HOST_BRIDGE(dev);
302         s = SYS_BUS_DEVICE(dev);
303         /* PCI hole */
304         memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
305                                     sysbus_mmio_get_region(s, 2));
306         /* Register 8 MB of ISA IO space */
307         memory_region_add_subregion(get_system_memory(), 0xf2000000,
308                                     sysbus_mmio_get_region(s, 3));
309         sysbus_mmio_map(s, 0, 0xf0800000);
310         sysbus_mmio_map(s, 1, 0xf0c00000);
311 
312         machine_arch = ARCH_MAC99_U3;
313     } else {
314         /* Use values found on a real PowerMac */
315         /* Uninorth AGP bus */
316         uninorth_agp_dev = qdev_new(TYPE_UNI_NORTH_AGP_HOST_BRIDGE);
317         s = SYS_BUS_DEVICE(uninorth_agp_dev);
318         sysbus_realize_and_unref(s, &error_fatal);
319         sysbus_mmio_map(s, 0, 0xf0800000);
320         sysbus_mmio_map(s, 1, 0xf0c00000);
321 
322         /* Uninorth internal bus */
323         uninorth_internal_dev = qdev_new(
324                                 TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE);
325         s = SYS_BUS_DEVICE(uninorth_internal_dev);
326         sysbus_realize_and_unref(s, &error_fatal);
327         sysbus_mmio_map(s, 0, 0xf4800000);
328         sysbus_mmio_map(s, 1, 0xf4c00000);
329 
330         /* Uninorth main bus */
331         dev = qdev_new(TYPE_UNI_NORTH_PCI_HOST_BRIDGE);
332         qdev_prop_set_uint32(dev, "ofw-addr", 0xf2000000);
333         sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
334         uninorth_pci = UNI_NORTH_PCI_HOST_BRIDGE(dev);
335         s = SYS_BUS_DEVICE(dev);
336         /* PCI hole */
337         memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
338                                     sysbus_mmio_get_region(s, 2));
339         /* Register 8 MB of ISA IO space */
340         memory_region_add_subregion(get_system_memory(), 0xf2000000,
341                                     sysbus_mmio_get_region(s, 3));
342         sysbus_mmio_map(s, 0, 0xf2800000);
343         sysbus_mmio_map(s, 1, 0xf2c00000);
344 
345         machine_arch = ARCH_MAC99;
346     }
347 
348     machine->usb |= defaults_enabled() && !machine->usb_disabled;
349     has_pmu = (core99_machine->via_config != CORE99_VIA_CONFIG_CUDA);
350     has_adb = (core99_machine->via_config == CORE99_VIA_CONFIG_CUDA ||
351                core99_machine->via_config == CORE99_VIA_CONFIG_PMU_ADB);
352 
353     /* Timebase Frequency */
354     if (kvm_enabled()) {
355         tbfreq = kvmppc_get_tbfreq();
356     } else {
357         tbfreq = TBFREQ;
358     }
359 
360     /* init basic PC hardware */
361     pci_bus = PCI_HOST_BRIDGE(uninorth_pci)->bus;
362 
363     /* MacIO */
364     macio = pci_new(-1, TYPE_NEWWORLD_MACIO);
365     dev = DEVICE(macio);
366     qdev_prop_set_uint64(dev, "frequency", tbfreq);
367     qdev_prop_set_bit(dev, "has-pmu", has_pmu);
368     qdev_prop_set_bit(dev, "has-adb", has_adb);
369 
370     escc = ESCC(object_resolve_path_component(OBJECT(macio), "escc"));
371     qdev_prop_set_chr(DEVICE(escc), "chrA", serial_hd(0));
372     qdev_prop_set_chr(DEVICE(escc), "chrB", serial_hd(1));
373 
374     pci_realize_and_unref(macio, pci_bus, &error_fatal);
375 
376     pic_dev = DEVICE(object_resolve_path_component(OBJECT(macio), "pic"));
377     for (i = 0; i < 4; i++) {
378         qdev_connect_gpio_out(DEVICE(uninorth_pci), i,
379                               qdev_get_gpio_in(pic_dev, 0x1b + i));
380     }
381 
382     /* TODO: additional PCI buses only wired up for 32-bit machines */
383     if (PPC_INPUT(env) != PPC_FLAGS_INPUT_970) {
384         /* Uninorth AGP bus */
385         for (i = 0; i < 4; i++) {
386             qdev_connect_gpio_out(uninorth_agp_dev, i,
387                                   qdev_get_gpio_in(pic_dev, 0x1b + i));
388         }
389 
390         /* Uninorth internal bus */
391         for (i = 0; i < 4; i++) {
392             qdev_connect_gpio_out(uninorth_internal_dev, i,
393                                   qdev_get_gpio_in(pic_dev, 0x1b + i));
394         }
395     }
396 
397     /* OpenPIC */
398     s = SYS_BUS_DEVICE(pic_dev);
399     k = 0;
400     for (i = 0; i < smp_cpus; i++) {
401         for (j = 0; j < OPENPIC_OUTPUT_NB; j++) {
402             sysbus_connect_irq(s, k++, openpic_irqs[i].irq[j]);
403         }
404     }
405     g_free(openpic_irqs);
406 
407     /* We only emulate 2 out of 3 IDE controllers for now */
408     ide_drive_get(hd, ARRAY_SIZE(hd));
409 
410     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
411                                                         "ide[0]"));
412     macio_ide_init_drives(macio_ide, hd);
413 
414     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
415                                                         "ide[1]"));
416     macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]);
417 
418     if (has_adb) {
419         if (has_pmu) {
420             dev = DEVICE(object_resolve_path_component(OBJECT(macio), "pmu"));
421         } else {
422             dev = DEVICE(object_resolve_path_component(OBJECT(macio), "cuda"));
423         }
424 
425         adb_bus = qdev_get_child_bus(dev, "adb.0");
426         dev = qdev_new(TYPE_ADB_KEYBOARD);
427         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
428 
429         dev = qdev_new(TYPE_ADB_MOUSE);
430         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
431     }
432 
433     if (machine->usb) {
434         pci_create_simple(pci_bus, -1, "pci-ohci");
435 
436         /* U3 needs to use USB for input because Linux doesn't support via-cuda
437         on PPC64 */
438         if (!has_adb || machine_arch == ARCH_MAC99_U3) {
439             USBBus *usb_bus = usb_bus_find(-1);
440 
441             usb_create_simple(usb_bus, "usb-kbd");
442             usb_create_simple(usb_bus, "usb-mouse");
443         }
444     }
445 
446     pci_vga_init(pci_bus);
447 
448     if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8) {
449         graphic_depth = 15;
450     }
451 
452     for (i = 0; i < nb_nics; i++) {
453         pci_nic_init_nofail(&nd_table[i], pci_bus, "sungem", NULL);
454     }
455 
456     /* The NewWorld NVRAM is not located in the MacIO device */
457     if (kvm_enabled() && qemu_real_host_page_size > 4096) {
458         /* We can't combine read-write and read-only in a single page, so
459            move the NVRAM out of ROM again for KVM */
460         nvram_addr = 0xFFE00000;
461     }
462     dev = qdev_new(TYPE_MACIO_NVRAM);
463     qdev_prop_set_uint32(dev, "size", 0x2000);
464     qdev_prop_set_uint32(dev, "it_shift", 1);
465     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
466     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, nvram_addr);
467     nvr = MACIO_NVRAM(dev);
468     pmac_format_nvram_partition(nvr, 0x2000);
469     /* No PCI init: the BIOS will do it */
470 
471     dev = qdev_new(TYPE_FW_CFG_MEM);
472     fw_cfg = FW_CFG(dev);
473     qdev_prop_set_uint32(dev, "data_width", 1);
474     qdev_prop_set_bit(dev, "dma_enabled", false);
475     object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
476                               OBJECT(fw_cfg));
477     s = SYS_BUS_DEVICE(dev);
478     sysbus_realize_and_unref(s, &error_fatal);
479     sysbus_mmio_map(s, 0, CFG_ADDR);
480     sysbus_mmio_map(s, 1, CFG_ADDR + 2);
481 
482     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
483     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)machine->smp.max_cpus);
484     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
485     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, machine_arch);
486     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
487     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
488     if (kernel_cmdline) {
489         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
490         pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
491     } else {
492         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
493     }
494     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
495     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
496     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
497 
498     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
499     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
500     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
501 
502     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_VIACONFIG, core99_machine->via_config);
503 
504     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
505     if (kvm_enabled()) {
506         uint8_t *hypercall;
507 
508         hypercall = g_malloc(16);
509         kvmppc_get_hypercall(env, hypercall, 16);
510         fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
511         fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
512     }
513     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq);
514     /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
515     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ);
516     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ);
517     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_NVRAM_ADDR, nvram_addr);
518 
519     /* MacOS NDRV VGA driver */
520     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, NDRV_VGA_FILENAME);
521     if (filename) {
522         gchar *ndrv_file;
523         gsize ndrv_size;
524 
525         if (g_file_get_contents(filename, &ndrv_file, &ndrv_size, NULL)) {
526             fw_cfg_add_file(fw_cfg, "ndrv/qemu_vga.ndrv", ndrv_file, ndrv_size);
527         }
528         g_free(filename);
529     }
530 
531     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
532 }
533 
534 /*
535  * Implementation of an interface to adjust firmware path
536  * for the bootindex property handling.
537  */
538 static char *core99_fw_dev_path(FWPathProvider *p, BusState *bus,
539                                 DeviceState *dev)
540 {
541     PCIDevice *pci;
542     IDEBus *ide_bus;
543     IDEState *ide_s;
544     MACIOIDEState *macio_ide;
545 
546     if (!strcmp(object_get_typename(OBJECT(dev)), "macio-newworld")) {
547         pci = PCI_DEVICE(dev);
548         return g_strdup_printf("mac-io@%x", PCI_SLOT(pci->devfn));
549     }
550 
551     if (!strcmp(object_get_typename(OBJECT(dev)), "macio-ide")) {
552         macio_ide = MACIO_IDE(dev);
553         return g_strdup_printf("ata-3@%x", macio_ide->addr);
554     }
555 
556     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-drive")) {
557         ide_bus = IDE_BUS(qdev_get_parent_bus(dev));
558         ide_s = idebus_active_if(ide_bus);
559 
560         if (ide_s->drive_kind == IDE_CD) {
561             return g_strdup("cdrom");
562         }
563 
564         return g_strdup("disk");
565     }
566 
567     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-hd")) {
568         return g_strdup("disk");
569     }
570 
571     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
572         return g_strdup("cdrom");
573     }
574 
575     if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
576         return g_strdup("disk");
577     }
578 
579     return NULL;
580 }
581 static int core99_kvm_type(MachineState *machine, const char *arg)
582 {
583     /* Always force PR KVM */
584     return 2;
585 }
586 
587 static void core99_machine_class_init(ObjectClass *oc, void *data)
588 {
589     MachineClass *mc = MACHINE_CLASS(oc);
590     FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
591 
592     mc->desc = "Mac99 based PowerMAC";
593     mc->init = ppc_core99_init;
594     mc->block_default_type = IF_IDE;
595     mc->max_cpus = MAX_CPUS;
596     mc->default_boot_order = "cd";
597     mc->default_display = "std";
598     mc->kvm_type = core99_kvm_type;
599 #ifdef TARGET_PPC64
600     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("970fx_v3.1");
601 #else
602     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("7400_v2.9");
603 #endif
604     mc->default_ram_id = "ppc_core99.ram";
605     mc->ignore_boot_device_suffixes = true;
606     fwc->get_dev_path = core99_fw_dev_path;
607 }
608 
609 static char *core99_get_via_config(Object *obj, Error **errp)
610 {
611     Core99MachineState *cms = CORE99_MACHINE(obj);
612 
613     switch (cms->via_config) {
614     default:
615     case CORE99_VIA_CONFIG_CUDA:
616         return g_strdup("cuda");
617 
618     case CORE99_VIA_CONFIG_PMU:
619         return g_strdup("pmu");
620 
621     case CORE99_VIA_CONFIG_PMU_ADB:
622         return g_strdup("pmu-adb");
623     }
624 }
625 
626 static void core99_set_via_config(Object *obj, const char *value, Error **errp)
627 {
628     Core99MachineState *cms = CORE99_MACHINE(obj);
629 
630     if (!strcmp(value, "cuda")) {
631         cms->via_config = CORE99_VIA_CONFIG_CUDA;
632     } else if (!strcmp(value, "pmu")) {
633         cms->via_config = CORE99_VIA_CONFIG_PMU;
634     } else if (!strcmp(value, "pmu-adb")) {
635         cms->via_config = CORE99_VIA_CONFIG_PMU_ADB;
636     } else {
637         error_setg(errp, "Invalid via value");
638         error_append_hint(errp, "Valid values are cuda, pmu, pmu-adb.\n");
639     }
640 }
641 
642 static void core99_instance_init(Object *obj)
643 {
644     Core99MachineState *cms = CORE99_MACHINE(obj);
645 
646     /* Default via_config is CORE99_VIA_CONFIG_CUDA */
647     cms->via_config = CORE99_VIA_CONFIG_CUDA;
648     object_property_add_str(obj, "via", core99_get_via_config,
649                             core99_set_via_config);
650     object_property_set_description(obj, "via",
651                                     "Set VIA configuration. "
652                                     "Valid values are cuda, pmu and pmu-adb");
653 
654     return;
655 }
656 
657 static const TypeInfo core99_machine_info = {
658     .name          = MACHINE_TYPE_NAME("mac99"),
659     .parent        = TYPE_MACHINE,
660     .class_init    = core99_machine_class_init,
661     .instance_init = core99_instance_init,
662     .instance_size = sizeof(Core99MachineState),
663     .interfaces = (InterfaceInfo[]) {
664         { TYPE_FW_PATH_PROVIDER },
665         { }
666     },
667 };
668 
669 static void mac_machine_register_types(void)
670 {
671     type_register_static(&core99_machine_info);
672 }
673 
674 type_init(mac_machine_register_types)
675