xref: /openbmc/qemu/hw/ppc/mac_newworld.c (revision 69242e7e)
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 "hw/sysbus.h"
74 #include "trace.h"
75 
76 #define MAX_IDE_BUS 2
77 #define CFG_ADDR 0xf0000510
78 #define TBFREQ (100UL * 1000UL * 1000UL)
79 #define CLOCKFREQ (900UL * 1000UL * 1000UL)
80 #define BUSFREQ (100UL * 1000UL * 1000UL)
81 
82 #define NDRV_VGA_FILENAME "qemu_vga.ndrv"
83 
84 #define PROM_BASE 0xfff00000
85 #define PROM_SIZE (1 * MiB)
86 
87 static void fw_cfg_boot_set(void *opaque, const char *boot_device,
88                             Error **errp)
89 {
90     fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
91 }
92 
93 static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
94 {
95     return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR;
96 }
97 
98 static void ppc_core99_reset(void *opaque)
99 {
100     PowerPCCPU *cpu = opaque;
101 
102     cpu_reset(CPU(cpu));
103     /* 970 CPUs want to get their initial IP as part of their boot protocol */
104     cpu->env.nip = PROM_BASE + 0x100;
105 }
106 
107 /* PowerPC Mac99 hardware initialisation */
108 static void ppc_core99_init(MachineState *machine)
109 {
110     ram_addr_t ram_size = machine->ram_size;
111     const char *bios_name = machine->firmware ?: PROM_FILENAME;
112     const char *kernel_filename = machine->kernel_filename;
113     const char *kernel_cmdline = machine->kernel_cmdline;
114     const char *initrd_filename = machine->initrd_filename;
115     const char *boot_device = machine->boot_order;
116     Core99MachineState *core99_machine = CORE99_MACHINE(machine);
117     PowerPCCPU *cpu = NULL;
118     CPUPPCState *env = NULL;
119     char *filename;
120     IrqLines *openpic_irqs;
121     int linux_boot, i, j, k;
122     MemoryRegion *bios = g_new(MemoryRegion, 1);
123     hwaddr kernel_base, initrd_base, cmdline_base = 0;
124     long kernel_size, initrd_size;
125     UNINHostState *uninorth_pci;
126     PCIBus *pci_bus;
127     PCIDevice *macio;
128     ESCCState *escc;
129     bool has_pmu, has_adb;
130     MACIOIDEState *macio_ide;
131     BusState *adb_bus;
132     MacIONVRAMState *nvr;
133     int bios_size;
134     int ppc_boot_device;
135     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
136     void *fw_cfg;
137     int machine_arch;
138     SysBusDevice *s;
139     DeviceState *dev, *pic_dev;
140     DeviceState *uninorth_internal_dev = NULL, *uninorth_agp_dev = NULL;
141     hwaddr nvram_addr = 0xFFF04000;
142     uint64_t tbfreq;
143     unsigned int smp_cpus = machine->smp.cpus;
144 
145     linux_boot = (kernel_filename != NULL);
146 
147     /* init CPUs */
148     for (i = 0; i < smp_cpus; i++) {
149         cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
150         env = &cpu->env;
151 
152         /* Set time-base frequency to 100 Mhz */
153         cpu_ppc_tb_init(env, TBFREQ);
154         qemu_register_reset(ppc_core99_reset, cpu);
155     }
156 
157     /* allocate RAM */
158     if (machine->ram_size > 2 * GiB) {
159         error_report("RAM size more than 2 GiB is not supported");
160         exit(1);
161     }
162     memory_region_add_subregion(get_system_memory(), 0, machine->ram);
163 
164     /* allocate and load firmware ROM */
165     memory_region_init_rom(bios, NULL, "ppc_core99.bios", PROM_SIZE,
166                            &error_fatal);
167     memory_region_add_subregion(get_system_memory(), PROM_BASE, bios);
168 
169     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
170     if (filename) {
171         /* Load OpenBIOS (ELF) */
172         bios_size = load_elf(filename, NULL, NULL, NULL, NULL,
173                              NULL, NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0);
174 
175         if (bios_size <= 0) {
176             /* or load binary ROM image */
177             bios_size = load_image_targphys(filename, PROM_BASE, PROM_SIZE);
178         }
179         g_free(filename);
180     } else {
181         bios_size = -1;
182     }
183     if (bios_size < 0 || bios_size > PROM_SIZE) {
184         error_report("could not load PowerPC bios '%s'", bios_name);
185         exit(1);
186     }
187 
188     if (linux_boot) {
189         int bswap_needed;
190 
191 #ifdef BSWAP_NEEDED
192         bswap_needed = 1;
193 #else
194         bswap_needed = 0;
195 #endif
196         kernel_base = KERNEL_LOAD_ADDR;
197 
198         kernel_size = load_elf(kernel_filename, NULL,
199                                translate_kernel_address, NULL, NULL, NULL,
200                                NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0);
201         if (kernel_size < 0)
202             kernel_size = load_aout(kernel_filename, kernel_base,
203                                     ram_size - kernel_base, bswap_needed,
204                                     TARGET_PAGE_SIZE);
205         if (kernel_size < 0)
206             kernel_size = load_image_targphys(kernel_filename,
207                                               kernel_base,
208                                               ram_size - kernel_base);
209         if (kernel_size < 0) {
210             error_report("could not load kernel '%s'", kernel_filename);
211             exit(1);
212         }
213         /* load initrd */
214         if (initrd_filename) {
215             initrd_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
216             initrd_size = load_image_targphys(initrd_filename, initrd_base,
217                                               ram_size - initrd_base);
218             if (initrd_size < 0) {
219                 error_report("could not load initial ram disk '%s'",
220                              initrd_filename);
221                 exit(1);
222             }
223             cmdline_base = TARGET_PAGE_ALIGN(initrd_base + initrd_size);
224         } else {
225             initrd_base = 0;
226             initrd_size = 0;
227             cmdline_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
228         }
229         ppc_boot_device = 'm';
230     } else {
231         kernel_base = 0;
232         kernel_size = 0;
233         initrd_base = 0;
234         initrd_size = 0;
235         ppc_boot_device = '\0';
236         /* We consider that NewWorld PowerMac never have any floppy drive
237          * For now, OHW cannot boot from the network.
238          */
239         for (i = 0; boot_device[i] != '\0'; i++) {
240             if (boot_device[i] >= 'c' && boot_device[i] <= 'f') {
241                 ppc_boot_device = boot_device[i];
242                 break;
243             }
244         }
245         if (ppc_boot_device == '\0') {
246             error_report("No valid boot device for Mac99 machine");
247             exit(1);
248         }
249     }
250 
251     /* UniN init */
252     dev = qdev_new(TYPE_UNI_NORTH);
253     s = SYS_BUS_DEVICE(dev);
254     sysbus_realize_and_unref(s, &error_fatal);
255     memory_region_add_subregion(get_system_memory(), 0xf8000000,
256                                 sysbus_mmio_get_region(s, 0));
257 
258     openpic_irqs = g_new0(IrqLines, smp_cpus);
259     for (i = 0; i < smp_cpus; i++) {
260         /* Mac99 IRQ connection between OpenPIC outputs pins
261          * and PowerPC input pins
262          */
263         switch (PPC_INPUT(env)) {
264         case PPC_FLAGS_INPUT_6xx:
265             openpic_irqs[i].irq[OPENPIC_OUTPUT_INT] =
266                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
267             openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
268                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
269             openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
270                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP];
271             /* Not connected ? */
272             openpic_irqs[i].irq[OPENPIC_OUTPUT_DEBUG] = NULL;
273             /* Check this */
274             openpic_irqs[i].irq[OPENPIC_OUTPUT_RESET] =
275                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET];
276             break;
277 #if defined(TARGET_PPC64)
278         case PPC_FLAGS_INPUT_970:
279             openpic_irqs[i].irq[OPENPIC_OUTPUT_INT] =
280                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
281             openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
282                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
283             openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
284                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP];
285             /* Not connected ? */
286             openpic_irqs[i].irq[OPENPIC_OUTPUT_DEBUG] = NULL;
287             /* Check this */
288             openpic_irqs[i].irq[OPENPIC_OUTPUT_RESET] =
289                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET];
290             break;
291 #endif /* defined(TARGET_PPC64) */
292         default:
293             error_report("Bus model not supported on mac99 machine");
294             exit(1);
295         }
296     }
297 
298     if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) {
299         /* 970 gets a U3 bus */
300         /* Uninorth AGP bus */
301         dev = qdev_new(TYPE_U3_AGP_HOST_BRIDGE);
302         sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
303         uninorth_pci = U3_AGP_HOST_BRIDGE(dev);
304         s = SYS_BUS_DEVICE(dev);
305         /* PCI hole */
306         memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
307                                     sysbus_mmio_get_region(s, 2));
308         /* Register 8 MB of ISA IO space */
309         memory_region_add_subregion(get_system_memory(), 0xf2000000,
310                                     sysbus_mmio_get_region(s, 3));
311         sysbus_mmio_map(s, 0, 0xf0800000);
312         sysbus_mmio_map(s, 1, 0xf0c00000);
313 
314         machine_arch = ARCH_MAC99_U3;
315     } else {
316         /* Use values found on a real PowerMac */
317         /* Uninorth AGP bus */
318         uninorth_agp_dev = qdev_new(TYPE_UNI_NORTH_AGP_HOST_BRIDGE);
319         s = SYS_BUS_DEVICE(uninorth_agp_dev);
320         sysbus_realize_and_unref(s, &error_fatal);
321         sysbus_mmio_map(s, 0, 0xf0800000);
322         sysbus_mmio_map(s, 1, 0xf0c00000);
323 
324         /* Uninorth internal bus */
325         uninorth_internal_dev = qdev_new(
326                                 TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE);
327         s = SYS_BUS_DEVICE(uninorth_internal_dev);
328         sysbus_realize_and_unref(s, &error_fatal);
329         sysbus_mmio_map(s, 0, 0xf4800000);
330         sysbus_mmio_map(s, 1, 0xf4c00000);
331 
332         /* Uninorth main bus */
333         dev = qdev_new(TYPE_UNI_NORTH_PCI_HOST_BRIDGE);
334         qdev_prop_set_uint32(dev, "ofw-addr", 0xf2000000);
335         sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
336         uninorth_pci = UNI_NORTH_PCI_HOST_BRIDGE(dev);
337         s = SYS_BUS_DEVICE(dev);
338         /* PCI hole */
339         memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
340                                     sysbus_mmio_get_region(s, 2));
341         /* Register 8 MB of ISA IO space */
342         memory_region_add_subregion(get_system_memory(), 0xf2000000,
343                                     sysbus_mmio_get_region(s, 3));
344         sysbus_mmio_map(s, 0, 0xf2800000);
345         sysbus_mmio_map(s, 1, 0xf2c00000);
346 
347         machine_arch = ARCH_MAC99;
348     }
349 
350     machine->usb |= defaults_enabled() && !machine->usb_disabled;
351     has_pmu = (core99_machine->via_config != CORE99_VIA_CONFIG_CUDA);
352     has_adb = (core99_machine->via_config == CORE99_VIA_CONFIG_CUDA ||
353                core99_machine->via_config == CORE99_VIA_CONFIG_PMU_ADB);
354 
355     /* Timebase Frequency */
356     if (kvm_enabled()) {
357         tbfreq = kvmppc_get_tbfreq();
358     } else {
359         tbfreq = TBFREQ;
360     }
361 
362     /* init basic PC hardware */
363     pci_bus = PCI_HOST_BRIDGE(uninorth_pci)->bus;
364 
365     /* MacIO */
366     macio = pci_new(-1, TYPE_NEWWORLD_MACIO);
367     dev = DEVICE(macio);
368     qdev_prop_set_uint64(dev, "frequency", tbfreq);
369     qdev_prop_set_bit(dev, "has-pmu", has_pmu);
370     qdev_prop_set_bit(dev, "has-adb", has_adb);
371 
372     escc = ESCC(object_resolve_path_component(OBJECT(macio), "escc"));
373     qdev_prop_set_chr(DEVICE(escc), "chrA", serial_hd(0));
374     qdev_prop_set_chr(DEVICE(escc), "chrB", serial_hd(1));
375 
376     pci_realize_and_unref(macio, pci_bus, &error_fatal);
377 
378     pic_dev = DEVICE(object_resolve_path_component(OBJECT(macio), "pic"));
379     for (i = 0; i < 4; i++) {
380         qdev_connect_gpio_out(DEVICE(uninorth_pci), i,
381                               qdev_get_gpio_in(pic_dev, 0x1b + i));
382     }
383 
384     /* TODO: additional PCI buses only wired up for 32-bit machines */
385     if (PPC_INPUT(env) != PPC_FLAGS_INPUT_970) {
386         /* Uninorth AGP bus */
387         for (i = 0; i < 4; i++) {
388             qdev_connect_gpio_out(uninorth_agp_dev, i,
389                                   qdev_get_gpio_in(pic_dev, 0x1b + i));
390         }
391 
392         /* Uninorth internal bus */
393         for (i = 0; i < 4; i++) {
394             qdev_connect_gpio_out(uninorth_internal_dev, i,
395                                   qdev_get_gpio_in(pic_dev, 0x1b + i));
396         }
397     }
398 
399     /* OpenPIC */
400     s = SYS_BUS_DEVICE(pic_dev);
401     k = 0;
402     for (i = 0; i < smp_cpus; i++) {
403         for (j = 0; j < OPENPIC_OUTPUT_NB; j++) {
404             sysbus_connect_irq(s, k++, openpic_irqs[i].irq[j]);
405         }
406     }
407     g_free(openpic_irqs);
408 
409     /* We only emulate 2 out of 3 IDE controllers for now */
410     ide_drive_get(hd, ARRAY_SIZE(hd));
411 
412     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
413                                                         "ide[0]"));
414     macio_ide_init_drives(macio_ide, hd);
415 
416     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
417                                                         "ide[1]"));
418     macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]);
419 
420     if (has_adb) {
421         if (has_pmu) {
422             dev = DEVICE(object_resolve_path_component(OBJECT(macio), "pmu"));
423         } else {
424             dev = DEVICE(object_resolve_path_component(OBJECT(macio), "cuda"));
425         }
426 
427         adb_bus = qdev_get_child_bus(dev, "adb.0");
428         dev = qdev_new(TYPE_ADB_KEYBOARD);
429         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
430 
431         dev = qdev_new(TYPE_ADB_MOUSE);
432         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
433     }
434 
435     if (machine->usb) {
436         pci_create_simple(pci_bus, -1, "pci-ohci");
437 
438         /* U3 needs to use USB for input because Linux doesn't support via-cuda
439         on PPC64 */
440         if (!has_adb || machine_arch == ARCH_MAC99_U3) {
441             USBBus *usb_bus = usb_bus_find(-1);
442 
443             usb_create_simple(usb_bus, "usb-kbd");
444             usb_create_simple(usb_bus, "usb-mouse");
445         }
446     }
447 
448     pci_vga_init(pci_bus);
449 
450     if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8) {
451         graphic_depth = 15;
452     }
453 
454     for (i = 0; i < nb_nics; i++) {
455         pci_nic_init_nofail(&nd_table[i], pci_bus, "sungem", NULL);
456     }
457 
458     /* The NewWorld NVRAM is not located in the MacIO device */
459     if (kvm_enabled() && qemu_real_host_page_size() > 4096) {
460         /* We can't combine read-write and read-only in a single page, so
461            move the NVRAM out of ROM again for KVM */
462         nvram_addr = 0xFFE00000;
463     }
464     dev = qdev_new(TYPE_MACIO_NVRAM);
465     qdev_prop_set_uint32(dev, "size", 0x2000);
466     qdev_prop_set_uint32(dev, "it_shift", 1);
467     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
468     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, nvram_addr);
469     nvr = MACIO_NVRAM(dev);
470     pmac_format_nvram_partition(nvr, 0x2000);
471     /* No PCI init: the BIOS will do it */
472 
473     dev = qdev_new(TYPE_FW_CFG_MEM);
474     fw_cfg = FW_CFG(dev);
475     qdev_prop_set_uint32(dev, "data_width", 1);
476     qdev_prop_set_bit(dev, "dma_enabled", false);
477     object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
478                               OBJECT(fw_cfg));
479     s = SYS_BUS_DEVICE(dev);
480     sysbus_realize_and_unref(s, &error_fatal);
481     sysbus_mmio_map(s, 0, CFG_ADDR);
482     sysbus_mmio_map(s, 1, CFG_ADDR + 2);
483 
484     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
485     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)machine->smp.max_cpus);
486     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
487     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, machine_arch);
488     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
489     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
490     if (kernel_cmdline) {
491         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
492         pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
493     } else {
494         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
495     }
496     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
497     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
498     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
499 
500     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
501     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
502     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
503 
504     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_VIACONFIG, core99_machine->via_config);
505 
506     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
507     if (kvm_enabled()) {
508         uint8_t *hypercall;
509 
510         hypercall = g_malloc(16);
511         kvmppc_get_hypercall(env, hypercall, 16);
512         fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
513         fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
514     }
515     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq);
516     /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
517     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ);
518     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ);
519     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_NVRAM_ADDR, nvram_addr);
520 
521     /* MacOS NDRV VGA driver */
522     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, NDRV_VGA_FILENAME);
523     if (filename) {
524         gchar *ndrv_file;
525         gsize ndrv_size;
526 
527         if (g_file_get_contents(filename, &ndrv_file, &ndrv_size, NULL)) {
528             fw_cfg_add_file(fw_cfg, "ndrv/qemu_vga.ndrv", ndrv_file, ndrv_size);
529         }
530         g_free(filename);
531     }
532 
533     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
534 }
535 
536 /*
537  * Implementation of an interface to adjust firmware path
538  * for the bootindex property handling.
539  */
540 static char *core99_fw_dev_path(FWPathProvider *p, BusState *bus,
541                                 DeviceState *dev)
542 {
543     PCIDevice *pci;
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-hd")) {
557         return g_strdup("disk");
558     }
559 
560     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
561         return g_strdup("cdrom");
562     }
563 
564     if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
565         return g_strdup("disk");
566     }
567 
568     return NULL;
569 }
570 static int core99_kvm_type(MachineState *machine, const char *arg)
571 {
572     /* Always force PR KVM */
573     return 2;
574 }
575 
576 static void core99_machine_class_init(ObjectClass *oc, void *data)
577 {
578     MachineClass *mc = MACHINE_CLASS(oc);
579     FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
580 
581     mc->desc = "Mac99 based PowerMAC";
582     mc->init = ppc_core99_init;
583     mc->block_default_type = IF_IDE;
584     /* SMP is not supported currently */
585     mc->max_cpus = 1;
586     mc->default_boot_order = "cd";
587     mc->default_display = "std";
588     mc->kvm_type = core99_kvm_type;
589 #ifdef TARGET_PPC64
590     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("970fx_v3.1");
591 #else
592     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("7400_v2.9");
593 #endif
594     mc->default_ram_id = "ppc_core99.ram";
595     mc->ignore_boot_device_suffixes = true;
596     fwc->get_dev_path = core99_fw_dev_path;
597 }
598 
599 static char *core99_get_via_config(Object *obj, Error **errp)
600 {
601     Core99MachineState *cms = CORE99_MACHINE(obj);
602 
603     switch (cms->via_config) {
604     default:
605     case CORE99_VIA_CONFIG_CUDA:
606         return g_strdup("cuda");
607 
608     case CORE99_VIA_CONFIG_PMU:
609         return g_strdup("pmu");
610 
611     case CORE99_VIA_CONFIG_PMU_ADB:
612         return g_strdup("pmu-adb");
613     }
614 }
615 
616 static void core99_set_via_config(Object *obj, const char *value, Error **errp)
617 {
618     Core99MachineState *cms = CORE99_MACHINE(obj);
619 
620     if (!strcmp(value, "cuda")) {
621         cms->via_config = CORE99_VIA_CONFIG_CUDA;
622     } else if (!strcmp(value, "pmu")) {
623         cms->via_config = CORE99_VIA_CONFIG_PMU;
624     } else if (!strcmp(value, "pmu-adb")) {
625         cms->via_config = CORE99_VIA_CONFIG_PMU_ADB;
626     } else {
627         error_setg(errp, "Invalid via value");
628         error_append_hint(errp, "Valid values are cuda, pmu, pmu-adb.\n");
629     }
630 }
631 
632 static void core99_instance_init(Object *obj)
633 {
634     Core99MachineState *cms = CORE99_MACHINE(obj);
635 
636     /* Default via_config is CORE99_VIA_CONFIG_CUDA */
637     cms->via_config = CORE99_VIA_CONFIG_CUDA;
638     object_property_add_str(obj, "via", core99_get_via_config,
639                             core99_set_via_config);
640     object_property_set_description(obj, "via",
641                                     "Set VIA configuration. "
642                                     "Valid values are cuda, pmu and pmu-adb");
643 
644     return;
645 }
646 
647 static const TypeInfo core99_machine_info = {
648     .name          = MACHINE_TYPE_NAME("mac99"),
649     .parent        = TYPE_MACHINE,
650     .class_init    = core99_machine_class_init,
651     .instance_init = core99_instance_init,
652     .instance_size = sizeof(Core99MachineState),
653     .interfaces = (InterfaceInfo[]) {
654         { TYPE_FW_PATH_PROVIDER },
655         { }
656     },
657 };
658 
659 static void mac_machine_register_types(void)
660 {
661     type_register_static(&core99_machine_info);
662 }
663 
664 type_init(mac_machine_register_types)
665