xref: /qemu/hw/ppc/mac_newworld.c (revision ead62c75f618c072a3a18221fd03ae99ae923cca)
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/nvram/fw_cfg.h"
62 #include "hw/char/escc.h"
63 #include "hw/misc/macio/macio.h"
64 #include "hw/ppc/openpic.h"
65 #include "hw/loader.h"
66 #include "hw/fw-path-provider.h"
67 #include "elf.h"
68 #include "qemu/error-report.h"
69 #include "sysemu/kvm.h"
70 #include "sysemu/reset.h"
71 #include "kvm_ppc.h"
72 #include "hw/usb.h"
73 #include "exec/address-spaces.h"
74 #include "hw/sysbus.h"
75 #include "trace.h"
76 
77 #define MAX_IDE_BUS 2
78 #define CFG_ADDR 0xf0000510
79 #define TBFREQ (100UL * 1000UL * 1000UL)
80 #define CLOCKFREQ (900UL * 1000UL * 1000UL)
81 #define BUSFREQ (100UL * 1000UL * 1000UL)
82 
83 #define NDRV_VGA_FILENAME "qemu_vga.ndrv"
84 
85 #define PROM_BASE 0xfff00000
86 #define PROM_SIZE (1 * MiB)
87 
88 static void fw_cfg_boot_set(void *opaque, const char *boot_device,
89                             Error **errp)
90 {
91     fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
92 }
93 
94 static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
95 {
96     return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR;
97 }
98 
99 static void ppc_core99_reset(void *opaque)
100 {
101     PowerPCCPU *cpu = opaque;
102 
103     cpu_reset(CPU(cpu));
104     /* 970 CPUs want to get their initial IP as part of their boot protocol */
105     cpu->env.nip = PROM_BASE + 0x100;
106 }
107 
108 /* PowerPC Mac99 hardware initialisation */
109 static void ppc_core99_init(MachineState *machine)
110 {
111     ram_addr_t ram_size = machine->ram_size;
112     const char *bios_name = machine->firmware ?: PROM_FILENAME;
113     const char *kernel_filename = machine->kernel_filename;
114     const char *kernel_cmdline = machine->kernel_cmdline;
115     const char *initrd_filename = machine->initrd_filename;
116     const char *boot_device = machine->boot_order;
117     Core99MachineState *core99_machine = CORE99_MACHINE(machine);
118     PowerPCCPU *cpu = NULL;
119     CPUPPCState *env = NULL;
120     char *filename;
121     IrqLines *openpic_irqs;
122     int linux_boot, i, j, k;
123     MemoryRegion *bios = g_new(MemoryRegion, 1);
124     hwaddr kernel_base, initrd_base, cmdline_base = 0;
125     long kernel_size, initrd_size;
126     UNINHostState *uninorth_pci;
127     PCIBus *pci_bus;
128     PCIDevice *macio;
129     ESCCState *escc;
130     bool has_pmu, has_adb;
131     MACIOIDEState *macio_ide;
132     BusState *adb_bus;
133     MacIONVRAMState *nvr;
134     int bios_size;
135     int ppc_boot_device;
136     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
137     void *fw_cfg;
138     int machine_arch;
139     SysBusDevice *s;
140     DeviceState *dev, *pic_dev;
141     DeviceState *uninorth_internal_dev = NULL, *uninorth_agp_dev = NULL;
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     if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) {
296         /* 970 gets a U3 bus */
297         /* Uninorth AGP bus */
298         dev = qdev_new(TYPE_U3_AGP_HOST_BRIDGE);
299         sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
300         uninorth_pci = U3_AGP_HOST_BRIDGE(dev);
301         s = SYS_BUS_DEVICE(dev);
302         /* PCI hole */
303         memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
304                                     sysbus_mmio_get_region(s, 2));
305         /* Register 8 MB of ISA IO space */
306         memory_region_add_subregion(get_system_memory(), 0xf2000000,
307                                     sysbus_mmio_get_region(s, 3));
308         sysbus_mmio_map(s, 0, 0xf0800000);
309         sysbus_mmio_map(s, 1, 0xf0c00000);
310 
311         machine_arch = ARCH_MAC99_U3;
312     } else {
313         /* Use values found on a real PowerMac */
314         /* Uninorth AGP bus */
315         uninorth_agp_dev = qdev_new(TYPE_UNI_NORTH_AGP_HOST_BRIDGE);
316         s = SYS_BUS_DEVICE(uninorth_agp_dev);
317         sysbus_realize_and_unref(s, &error_fatal);
318         sysbus_mmio_map(s, 0, 0xf0800000);
319         sysbus_mmio_map(s, 1, 0xf0c00000);
320 
321         /* Uninorth internal bus */
322         uninorth_internal_dev = qdev_new(
323                                 TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE);
324         s = SYS_BUS_DEVICE(uninorth_internal_dev);
325         sysbus_realize_and_unref(s, &error_fatal);
326         sysbus_mmio_map(s, 0, 0xf4800000);
327         sysbus_mmio_map(s, 1, 0xf4c00000);
328 
329         /* Uninorth main bus */
330         dev = qdev_new(TYPE_UNI_NORTH_PCI_HOST_BRIDGE);
331         qdev_prop_set_uint32(dev, "ofw-addr", 0xf2000000);
332         sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
333         uninorth_pci = UNI_NORTH_PCI_HOST_BRIDGE(dev);
334         s = SYS_BUS_DEVICE(dev);
335         /* PCI hole */
336         memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
337                                     sysbus_mmio_get_region(s, 2));
338         /* Register 8 MB of ISA IO space */
339         memory_region_add_subregion(get_system_memory(), 0xf2000000,
340                                     sysbus_mmio_get_region(s, 3));
341         sysbus_mmio_map(s, 0, 0xf2800000);
342         sysbus_mmio_map(s, 1, 0xf2c00000);
343 
344         machine_arch = ARCH_MAC99;
345     }
346 
347     machine->usb |= defaults_enabled() && !machine->usb_disabled;
348     has_pmu = (core99_machine->via_config != CORE99_VIA_CONFIG_CUDA);
349     has_adb = (core99_machine->via_config == CORE99_VIA_CONFIG_CUDA ||
350                core99_machine->via_config == CORE99_VIA_CONFIG_PMU_ADB);
351 
352     /* Timebase Frequency */
353     if (kvm_enabled()) {
354         tbfreq = kvmppc_get_tbfreq();
355     } else {
356         tbfreq = TBFREQ;
357     }
358 
359     /* init basic PC hardware */
360     pci_bus = PCI_HOST_BRIDGE(uninorth_pci)->bus;
361 
362     /* MacIO */
363     macio = pci_new(-1, TYPE_NEWWORLD_MACIO);
364     dev = DEVICE(macio);
365     qdev_prop_set_uint64(dev, "frequency", tbfreq);
366     qdev_prop_set_bit(dev, "has-pmu", has_pmu);
367     qdev_prop_set_bit(dev, "has-adb", has_adb);
368 
369     escc = ESCC(object_resolve_path_component(OBJECT(macio), "escc"));
370     qdev_prop_set_chr(DEVICE(escc), "chrA", serial_hd(0));
371     qdev_prop_set_chr(DEVICE(escc), "chrB", serial_hd(1));
372 
373     pci_realize_and_unref(macio, pci_bus, &error_fatal);
374 
375     pic_dev = DEVICE(object_resolve_path_component(OBJECT(macio), "pic"));
376     for (i = 0; i < 4; i++) {
377         qdev_connect_gpio_out(DEVICE(uninorth_pci), i,
378                               qdev_get_gpio_in(pic_dev, 0x1b + i));
379     }
380 
381     /* TODO: additional PCI buses only wired up for 32-bit machines */
382     if (PPC_INPUT(env) != PPC_FLAGS_INPUT_970) {
383         /* Uninorth AGP bus */
384         for (i = 0; i < 4; i++) {
385             qdev_connect_gpio_out(uninorth_agp_dev, i,
386                                   qdev_get_gpio_in(pic_dev, 0x1b + i));
387         }
388 
389         /* Uninorth internal bus */
390         for (i = 0; i < 4; i++) {
391             qdev_connect_gpio_out(uninorth_internal_dev, i,
392                                   qdev_get_gpio_in(pic_dev, 0x1b + i));
393         }
394     }
395 
396     /* OpenPIC */
397     s = SYS_BUS_DEVICE(pic_dev);
398     k = 0;
399     for (i = 0; i < smp_cpus; i++) {
400         for (j = 0; j < OPENPIC_OUTPUT_NB; j++) {
401             sysbus_connect_irq(s, k++, openpic_irqs[i].irq[j]);
402         }
403     }
404     g_free(openpic_irqs);
405 
406     /* We only emulate 2 out of 3 IDE controllers for now */
407     ide_drive_get(hd, ARRAY_SIZE(hd));
408 
409     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
410                                                         "ide[0]"));
411     macio_ide_init_drives(macio_ide, hd);
412 
413     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
414                                                         "ide[1]"));
415     macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]);
416 
417     if (has_adb) {
418         if (has_pmu) {
419             dev = DEVICE(object_resolve_path_component(OBJECT(macio), "pmu"));
420         } else {
421             dev = DEVICE(object_resolve_path_component(OBJECT(macio), "cuda"));
422         }
423 
424         adb_bus = qdev_get_child_bus(dev, "adb.0");
425         dev = qdev_new(TYPE_ADB_KEYBOARD);
426         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
427 
428         dev = qdev_new(TYPE_ADB_MOUSE);
429         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
430     }
431 
432     if (machine->usb) {
433         pci_create_simple(pci_bus, -1, "pci-ohci");
434 
435         /* U3 needs to use USB for input because Linux doesn't support via-cuda
436         on PPC64 */
437         if (!has_adb || machine_arch == ARCH_MAC99_U3) {
438             USBBus *usb_bus = usb_bus_find(-1);
439 
440             usb_create_simple(usb_bus, "usb-kbd");
441             usb_create_simple(usb_bus, "usb-mouse");
442         }
443     }
444 
445     pci_vga_init(pci_bus);
446 
447     if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8) {
448         graphic_depth = 15;
449     }
450 
451     for (i = 0; i < nb_nics; i++) {
452         pci_nic_init_nofail(&nd_table[i], pci_bus, "sungem", NULL);
453     }
454 
455     /* The NewWorld NVRAM is not located in the MacIO device */
456     if (kvm_enabled() && qemu_real_host_page_size > 4096) {
457         /* We can't combine read-write and read-only in a single page, so
458            move the NVRAM out of ROM again for KVM */
459         nvram_addr = 0xFFE00000;
460     }
461     dev = qdev_new(TYPE_MACIO_NVRAM);
462     qdev_prop_set_uint32(dev, "size", 0x2000);
463     qdev_prop_set_uint32(dev, "it_shift", 1);
464     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
465     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, nvram_addr);
466     nvr = MACIO_NVRAM(dev);
467     pmac_format_nvram_partition(nvr, 0x2000);
468     /* No PCI init: the BIOS will do it */
469 
470     dev = qdev_new(TYPE_FW_CFG_MEM);
471     fw_cfg = FW_CFG(dev);
472     qdev_prop_set_uint32(dev, "data_width", 1);
473     qdev_prop_set_bit(dev, "dma_enabled", false);
474     object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
475                               OBJECT(fw_cfg));
476     s = SYS_BUS_DEVICE(dev);
477     sysbus_realize_and_unref(s, &error_fatal);
478     sysbus_mmio_map(s, 0, CFG_ADDR);
479     sysbus_mmio_map(s, 1, CFG_ADDR + 2);
480 
481     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
482     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)machine->smp.max_cpus);
483     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
484     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, machine_arch);
485     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
486     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
487     if (kernel_cmdline) {
488         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
489         pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
490     } else {
491         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
492     }
493     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
494     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
495     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
496 
497     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
498     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
499     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
500 
501     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_VIACONFIG, core99_machine->via_config);
502 
503     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
504     if (kvm_enabled()) {
505         uint8_t *hypercall;
506 
507         hypercall = g_malloc(16);
508         kvmppc_get_hypercall(env, hypercall, 16);
509         fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
510         fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
511     }
512     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq);
513     /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
514     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ);
515     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ);
516     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_NVRAM_ADDR, nvram_addr);
517 
518     /* MacOS NDRV VGA driver */
519     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, NDRV_VGA_FILENAME);
520     if (filename) {
521         gchar *ndrv_file;
522         gsize ndrv_size;
523 
524         if (g_file_get_contents(filename, &ndrv_file, &ndrv_size, NULL)) {
525             fw_cfg_add_file(fw_cfg, "ndrv/qemu_vga.ndrv", ndrv_file, ndrv_size);
526         }
527         g_free(filename);
528     }
529 
530     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
531 }
532 
533 /*
534  * Implementation of an interface to adjust firmware path
535  * for the bootindex property handling.
536  */
537 static char *core99_fw_dev_path(FWPathProvider *p, BusState *bus,
538                                 DeviceState *dev)
539 {
540     PCIDevice *pci;
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-hd")) {
554         return g_strdup("disk");
555     }
556 
557     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
558         return g_strdup("cdrom");
559     }
560 
561     if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
562         return g_strdup("disk");
563     }
564 
565     return NULL;
566 }
567 static int core99_kvm_type(MachineState *machine, const char *arg)
568 {
569     /* Always force PR KVM */
570     return 2;
571 }
572 
573 static void core99_machine_class_init(ObjectClass *oc, void *data)
574 {
575     MachineClass *mc = MACHINE_CLASS(oc);
576     FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
577 
578     mc->desc = "Mac99 based PowerMAC";
579     mc->init = ppc_core99_init;
580     mc->block_default_type = IF_IDE;
581     mc->max_cpus = MAX_CPUS;
582     mc->default_boot_order = "cd";
583     mc->default_display = "std";
584     mc->kvm_type = core99_kvm_type;
585 #ifdef TARGET_PPC64
586     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("970fx_v3.1");
587 #else
588     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("7400_v2.9");
589 #endif
590     mc->default_ram_id = "ppc_core99.ram";
591     mc->ignore_boot_device_suffixes = true;
592     fwc->get_dev_path = core99_fw_dev_path;
593 }
594 
595 static char *core99_get_via_config(Object *obj, Error **errp)
596 {
597     Core99MachineState *cms = CORE99_MACHINE(obj);
598 
599     switch (cms->via_config) {
600     default:
601     case CORE99_VIA_CONFIG_CUDA:
602         return g_strdup("cuda");
603 
604     case CORE99_VIA_CONFIG_PMU:
605         return g_strdup("pmu");
606 
607     case CORE99_VIA_CONFIG_PMU_ADB:
608         return g_strdup("pmu-adb");
609     }
610 }
611 
612 static void core99_set_via_config(Object *obj, const char *value, Error **errp)
613 {
614     Core99MachineState *cms = CORE99_MACHINE(obj);
615 
616     if (!strcmp(value, "cuda")) {
617         cms->via_config = CORE99_VIA_CONFIG_CUDA;
618     } else if (!strcmp(value, "pmu")) {
619         cms->via_config = CORE99_VIA_CONFIG_PMU;
620     } else if (!strcmp(value, "pmu-adb")) {
621         cms->via_config = CORE99_VIA_CONFIG_PMU_ADB;
622     } else {
623         error_setg(errp, "Invalid via value");
624         error_append_hint(errp, "Valid values are cuda, pmu, pmu-adb.\n");
625     }
626 }
627 
628 static void core99_instance_init(Object *obj)
629 {
630     Core99MachineState *cms = CORE99_MACHINE(obj);
631 
632     /* Default via_config is CORE99_VIA_CONFIG_CUDA */
633     cms->via_config = CORE99_VIA_CONFIG_CUDA;
634     object_property_add_str(obj, "via", core99_get_via_config,
635                             core99_set_via_config);
636     object_property_set_description(obj, "via",
637                                     "Set VIA configuration. "
638                                     "Valid values are cuda, pmu and pmu-adb");
639 
640     return;
641 }
642 
643 static const TypeInfo core99_machine_info = {
644     .name          = MACHINE_TYPE_NAME("mac99"),
645     .parent        = TYPE_MACHINE,
646     .class_init    = core99_machine_class_init,
647     .instance_init = core99_instance_init,
648     .instance_size = sizeof(Core99MachineState),
649     .interfaces = (InterfaceInfo[]) {
650         { TYPE_FW_PATH_PROVIDER },
651         { }
652     },
653 };
654 
655 static void mac_machine_register_types(void)
656 {
657     type_register_static(&core99_machine_info);
658 }
659 
660 type_init(mac_machine_register_types)
661