xref: /openbmc/qemu/hw/ppc/mac_newworld.c (revision d525f73f)
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/datadir.h"
51 #include "qapi/error.h"
52 #include "hw/ppc/ppc.h"
53 #include "hw/qdev-properties.h"
54 #include "hw/ppc/mac.h"
55 #include "hw/input/adb.h"
56 #include "hw/ppc/mac_dbdma.h"
57 #include "hw/pci/pci.h"
58 #include "net/net.h"
59 #include "sysemu/sysemu.h"
60 #include "hw/nvram/fw_cfg.h"
61 #include "hw/char/escc.h"
62 #include "hw/misc/macio/macio.h"
63 #include "hw/ppc/openpic.h"
64 #include "hw/loader.h"
65 #include "hw/fw-path-provider.h"
66 #include "elf.h"
67 #include "qemu/error-report.h"
68 #include "sysemu/kvm.h"
69 #include "sysemu/reset.h"
70 #include "kvm_ppc.h"
71 #include "hw/usb.h"
72 #include "hw/sysbus.h"
73 #include "trace.h"
74 
75 #define MAX_IDE_BUS 2
76 #define CFG_ADDR 0xf0000510
77 #define TBFREQ (100UL * 1000UL * 1000UL)
78 #define CLOCKFREQ (900UL * 1000UL * 1000UL)
79 #define BUSFREQ (100UL * 1000UL * 1000UL)
80 
81 #define NDRV_VGA_FILENAME "qemu_vga.ndrv"
82 
83 #define PROM_BASE 0xfff00000
84 #define PROM_SIZE (1 * MiB)
85 
86 static void fw_cfg_boot_set(void *opaque, const char *boot_device,
87                             Error **errp)
88 {
89     fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
90 }
91 
92 static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
93 {
94     return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR;
95 }
96 
97 static void ppc_core99_reset(void *opaque)
98 {
99     PowerPCCPU *cpu = opaque;
100 
101     cpu_reset(CPU(cpu));
102     /* 970 CPUs want to get their initial IP as part of their boot protocol */
103     cpu->env.nip = PROM_BASE + 0x100;
104 }
105 
106 /* PowerPC Mac99 hardware initialisation */
107 static void ppc_core99_init(MachineState *machine)
108 {
109     ram_addr_t ram_size = machine->ram_size;
110     const char *bios_name = machine->firmware ?: PROM_FILENAME;
111     const char *kernel_filename = machine->kernel_filename;
112     const char *kernel_cmdline = machine->kernel_cmdline;
113     const char *initrd_filename = machine->initrd_filename;
114     const char *boot_device = machine->boot_config.order;
115     Core99MachineState *core99_machine = CORE99_MACHINE(machine);
116     PowerPCCPU *cpu = NULL;
117     CPUPPCState *env = NULL;
118     char *filename;
119     IrqLines *openpic_irqs;
120     int linux_boot, i, j, k;
121     MemoryRegion *bios = g_new(MemoryRegion, 1);
122     hwaddr kernel_base, initrd_base, cmdline_base = 0;
123     long kernel_size, initrd_size;
124     UNINHostState *uninorth_pci;
125     PCIBus *pci_bus;
126     PCIDevice *macio;
127     ESCCState *escc;
128     bool has_pmu, has_adb;
129     MACIOIDEState *macio_ide;
130     BusState *adb_bus;
131     MacIONVRAMState *nvr;
132     int bios_size;
133     int ppc_boot_device;
134     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
135     void *fw_cfg;
136     int machine_arch;
137     SysBusDevice *s;
138     DeviceState *dev, *pic_dev;
139     DeviceState *uninorth_internal_dev = NULL, *uninorth_agp_dev = NULL;
140     hwaddr nvram_addr = 0xFFF04000;
141     uint64_t tbfreq;
142     unsigned int smp_cpus = machine->smp.cpus;
143 
144     linux_boot = (kernel_filename != NULL);
145 
146     /* init CPUs */
147     for (i = 0; i < smp_cpus; i++) {
148         cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
149         env = &cpu->env;
150 
151         /* Set time-base frequency to 100 Mhz */
152         cpu_ppc_tb_init(env, TBFREQ);
153         qemu_register_reset(ppc_core99_reset, cpu);
154     }
155 
156     /* allocate RAM */
157     if (machine->ram_size > 2 * GiB) {
158         error_report("RAM size more than 2 GiB is not supported");
159         exit(1);
160     }
161     memory_region_add_subregion(get_system_memory(), 0, machine->ram);
162 
163     /* allocate and load firmware ROM */
164     memory_region_init_rom(bios, NULL, "ppc_core99.bios", PROM_SIZE,
165                            &error_fatal);
166     memory_region_add_subregion(get_system_memory(), PROM_BASE, bios);
167 
168     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
169     if (filename) {
170         /* Load OpenBIOS (ELF) */
171         bios_size = load_elf(filename, NULL, NULL, NULL, NULL,
172                              NULL, NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0);
173 
174         if (bios_size <= 0) {
175             /* or load binary ROM image */
176             bios_size = load_image_targphys(filename, PROM_BASE, PROM_SIZE);
177         }
178         g_free(filename);
179     } else {
180         bios_size = -1;
181     }
182     if (bios_size < 0 || bios_size > PROM_SIZE) {
183         error_report("could not load PowerPC bios '%s'", bios_name);
184         exit(1);
185     }
186 
187     if (linux_boot) {
188         int bswap_needed;
189 
190 #ifdef BSWAP_NEEDED
191         bswap_needed = 1;
192 #else
193         bswap_needed = 0;
194 #endif
195         kernel_base = KERNEL_LOAD_ADDR;
196 
197         kernel_size = load_elf(kernel_filename, NULL,
198                                translate_kernel_address, NULL, NULL, NULL,
199                                NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0);
200         if (kernel_size < 0)
201             kernel_size = load_aout(kernel_filename, kernel_base,
202                                     ram_size - kernel_base, bswap_needed,
203                                     TARGET_PAGE_SIZE);
204         if (kernel_size < 0)
205             kernel_size = load_image_targphys(kernel_filename,
206                                               kernel_base,
207                                               ram_size - kernel_base);
208         if (kernel_size < 0) {
209             error_report("could not load kernel '%s'", kernel_filename);
210             exit(1);
211         }
212         /* load initrd */
213         if (initrd_filename) {
214             initrd_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
215             initrd_size = load_image_targphys(initrd_filename, initrd_base,
216                                               ram_size - initrd_base);
217             if (initrd_size < 0) {
218                 error_report("could not load initial ram disk '%s'",
219                              initrd_filename);
220                 exit(1);
221             }
222             cmdline_base = TARGET_PAGE_ALIGN(initrd_base + initrd_size);
223         } else {
224             initrd_base = 0;
225             initrd_size = 0;
226             cmdline_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
227         }
228         ppc_boot_device = 'm';
229     } else {
230         kernel_base = 0;
231         kernel_size = 0;
232         initrd_base = 0;
233         initrd_size = 0;
234         ppc_boot_device = '\0';
235         /* We consider that NewWorld PowerMac never have any floppy drive
236          * For now, OHW cannot boot from the network.
237          */
238         for (i = 0; boot_device[i] != '\0'; i++) {
239             if (boot_device[i] >= 'c' && boot_device[i] <= 'f') {
240                 ppc_boot_device = boot_device[i];
241                 break;
242             }
243         }
244         if (ppc_boot_device == '\0') {
245             error_report("No valid boot device for Mac99 machine");
246             exit(1);
247         }
248     }
249 
250     /* UniN init */
251     dev = qdev_new(TYPE_UNI_NORTH);
252     s = SYS_BUS_DEVICE(dev);
253     sysbus_realize_and_unref(s, &error_fatal);
254     memory_region_add_subregion(get_system_memory(), 0xf8000000,
255                                 sysbus_mmio_get_region(s, 0));
256 
257     openpic_irqs = g_new0(IrqLines, smp_cpus);
258     for (i = 0; i < smp_cpus; i++) {
259         /* Mac99 IRQ connection between OpenPIC outputs pins
260          * and PowerPC input pins
261          */
262         switch (PPC_INPUT(env)) {
263         case PPC_FLAGS_INPUT_6xx:
264             openpic_irqs[i].irq[OPENPIC_OUTPUT_INT] =
265                 qdev_get_gpio_in(DEVICE(cpu), PPC6xx_INPUT_INT);
266             openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
267                  qdev_get_gpio_in(DEVICE(cpu), PPC6xx_INPUT_INT);
268             openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
269                 qdev_get_gpio_in(DEVICE(cpu), PPC6xx_INPUT_MCP);
270             /* Not connected ? */
271             openpic_irqs[i].irq[OPENPIC_OUTPUT_DEBUG] = NULL;
272             /* Check this */
273             openpic_irqs[i].irq[OPENPIC_OUTPUT_RESET] =
274                 qdev_get_gpio_in(DEVICE(cpu), PPC6xx_INPUT_HRESET);
275             break;
276 #if defined(TARGET_PPC64)
277         case PPC_FLAGS_INPUT_970:
278             openpic_irqs[i].irq[OPENPIC_OUTPUT_INT] =
279                 qdev_get_gpio_in(DEVICE(cpu), PPC970_INPUT_INT);
280             openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
281                 qdev_get_gpio_in(DEVICE(cpu), PPC970_INPUT_INT);
282             openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
283                 qdev_get_gpio_in(DEVICE(cpu), PPC970_INPUT_MCP);
284             /* Not connected ? */
285             openpic_irqs[i].irq[OPENPIC_OUTPUT_DEBUG] = NULL;
286             /* Check this */
287             openpic_irqs[i].irq[OPENPIC_OUTPUT_RESET] =
288                 qdev_get_gpio_in(DEVICE(cpu), PPC970_INPUT_HRESET);
289             break;
290 #endif /* defined(TARGET_PPC64) */
291         default:
292             error_report("Bus model not supported on mac99 machine");
293             exit(1);
294         }
295     }
296 
297     if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) {
298         /* 970 gets a U3 bus */
299         /* Uninorth AGP bus */
300         dev = qdev_new(TYPE_U3_AGP_HOST_BRIDGE);
301         sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
302         uninorth_pci = U3_AGP_HOST_BRIDGE(dev);
303         s = SYS_BUS_DEVICE(dev);
304         /* PCI hole */
305         memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
306                                     sysbus_mmio_get_region(s, 2));
307         /* Register 8 MB of ISA IO space */
308         memory_region_add_subregion(get_system_memory(), 0xf2000000,
309                                     sysbus_mmio_get_region(s, 3));
310         sysbus_mmio_map(s, 0, 0xf0800000);
311         sysbus_mmio_map(s, 1, 0xf0c00000);
312 
313         machine_arch = ARCH_MAC99_U3;
314     } else {
315         /* Use values found on a real PowerMac */
316         /* Uninorth AGP bus */
317         uninorth_agp_dev = qdev_new(TYPE_UNI_NORTH_AGP_HOST_BRIDGE);
318         s = SYS_BUS_DEVICE(uninorth_agp_dev);
319         sysbus_realize_and_unref(s, &error_fatal);
320         sysbus_mmio_map(s, 0, 0xf0800000);
321         sysbus_mmio_map(s, 1, 0xf0c00000);
322 
323         /* Uninorth internal bus */
324         uninorth_internal_dev = qdev_new(
325                                 TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE);
326         s = SYS_BUS_DEVICE(uninorth_internal_dev);
327         sysbus_realize_and_unref(s, &error_fatal);
328         sysbus_mmio_map(s, 0, 0xf4800000);
329         sysbus_mmio_map(s, 1, 0xf4c00000);
330 
331         /* Uninorth main bus */
332         dev = qdev_new(TYPE_UNI_NORTH_PCI_HOST_BRIDGE);
333         qdev_prop_set_uint32(dev, "ofw-addr", 0xf2000000);
334         sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
335         uninorth_pci = UNI_NORTH_PCI_HOST_BRIDGE(dev);
336         s = SYS_BUS_DEVICE(dev);
337         /* PCI hole */
338         memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
339                                     sysbus_mmio_get_region(s, 2));
340         /* Register 8 MB of ISA IO space */
341         memory_region_add_subregion(get_system_memory(), 0xf2000000,
342                                     sysbus_mmio_get_region(s, 3));
343         sysbus_mmio_map(s, 0, 0xf2800000);
344         sysbus_mmio_map(s, 1, 0xf2c00000);
345 
346         machine_arch = ARCH_MAC99;
347     }
348 
349     machine->usb |= defaults_enabled() && !machine->usb_disabled;
350     has_pmu = (core99_machine->via_config != CORE99_VIA_CONFIG_CUDA);
351     has_adb = (core99_machine->via_config == CORE99_VIA_CONFIG_CUDA ||
352                core99_machine->via_config == CORE99_VIA_CONFIG_PMU_ADB);
353 
354     /* Timebase Frequency */
355     if (kvm_enabled()) {
356         tbfreq = kvmppc_get_tbfreq();
357     } else {
358         tbfreq = TBFREQ;
359     }
360 
361     /* init basic PC hardware */
362     pci_bus = PCI_HOST_BRIDGE(uninorth_pci)->bus;
363 
364     /* MacIO */
365     macio = pci_new(-1, TYPE_NEWWORLD_MACIO);
366     dev = DEVICE(macio);
367     qdev_prop_set_uint64(dev, "frequency", tbfreq);
368     qdev_prop_set_bit(dev, "has-pmu", has_pmu);
369     qdev_prop_set_bit(dev, "has-adb", has_adb);
370 
371     escc = ESCC(object_resolve_path_component(OBJECT(macio), "escc"));
372     qdev_prop_set_chr(DEVICE(escc), "chrA", serial_hd(0));
373     qdev_prop_set_chr(DEVICE(escc), "chrB", serial_hd(1));
374 
375     pci_realize_and_unref(macio, pci_bus, &error_fatal);
376 
377     pic_dev = DEVICE(object_resolve_path_component(OBJECT(macio), "pic"));
378     for (i = 0; i < 4; i++) {
379         qdev_connect_gpio_out(DEVICE(uninorth_pci), i,
380                               qdev_get_gpio_in(pic_dev, 0x1b + i));
381     }
382 
383     /* TODO: additional PCI buses only wired up for 32-bit machines */
384     if (PPC_INPUT(env) != PPC_FLAGS_INPUT_970) {
385         /* Uninorth AGP bus */
386         for (i = 0; i < 4; i++) {
387             qdev_connect_gpio_out(uninorth_agp_dev, i,
388                                   qdev_get_gpio_in(pic_dev, 0x1b + i));
389         }
390 
391         /* Uninorth internal bus */
392         for (i = 0; i < 4; i++) {
393             qdev_connect_gpio_out(uninorth_internal_dev, i,
394                                   qdev_get_gpio_in(pic_dev, 0x1b + i));
395         }
396     }
397 
398     /* OpenPIC */
399     s = SYS_BUS_DEVICE(pic_dev);
400     k = 0;
401     for (i = 0; i < smp_cpus; i++) {
402         for (j = 0; j < OPENPIC_OUTPUT_NB; j++) {
403             sysbus_connect_irq(s, k++, openpic_irqs[i].irq[j]);
404         }
405     }
406     g_free(openpic_irqs);
407 
408     /* We only emulate 2 out of 3 IDE controllers for now */
409     ide_drive_get(hd, ARRAY_SIZE(hd));
410 
411     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
412                                                         "ide[0]"));
413     macio_ide_init_drives(macio_ide, hd);
414 
415     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
416                                                         "ide[1]"));
417     macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]);
418 
419     if (has_adb) {
420         if (has_pmu) {
421             dev = DEVICE(object_resolve_path_component(OBJECT(macio), "pmu"));
422         } else {
423             dev = DEVICE(object_resolve_path_component(OBJECT(macio), "cuda"));
424         }
425 
426         adb_bus = qdev_get_child_bus(dev, "adb.0");
427         dev = qdev_new(TYPE_ADB_KEYBOARD);
428         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
429 
430         dev = qdev_new(TYPE_ADB_MOUSE);
431         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
432     }
433 
434     if (machine->usb) {
435         pci_create_simple(pci_bus, -1, "pci-ohci");
436 
437         /* U3 needs to use USB for input because Linux doesn't support via-cuda
438         on PPC64 */
439         if (!has_adb || machine_arch == ARCH_MAC99_U3) {
440             USBBus *usb_bus = usb_bus_find(-1);
441 
442             usb_create_simple(usb_bus, "usb-kbd");
443             usb_create_simple(usb_bus, "usb-mouse");
444         }
445     }
446 
447     pci_vga_init(pci_bus);
448 
449     if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8) {
450         graphic_depth = 15;
451     }
452 
453     for (i = 0; i < nb_nics; i++) {
454         pci_nic_init_nofail(&nd_table[i], pci_bus, "sungem", NULL);
455     }
456 
457     /* The NewWorld NVRAM is not located in the MacIO device */
458     if (kvm_enabled() && qemu_real_host_page_size() > 4096) {
459         /* We can't combine read-write and read-only in a single page, so
460            move the NVRAM out of ROM again for KVM */
461         nvram_addr = 0xFFE00000;
462     }
463     dev = qdev_new(TYPE_MACIO_NVRAM);
464     qdev_prop_set_uint32(dev, "size", 0x2000);
465     qdev_prop_set_uint32(dev, "it_shift", 1);
466     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
467     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, nvram_addr);
468     nvr = MACIO_NVRAM(dev);
469     pmac_format_nvram_partition(nvr, 0x2000);
470     /* No PCI init: the BIOS will do it */
471 
472     dev = qdev_new(TYPE_FW_CFG_MEM);
473     fw_cfg = FW_CFG(dev);
474     qdev_prop_set_uint32(dev, "data_width", 1);
475     qdev_prop_set_bit(dev, "dma_enabled", false);
476     object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
477                               OBJECT(fw_cfg));
478     s = SYS_BUS_DEVICE(dev);
479     sysbus_realize_and_unref(s, &error_fatal);
480     sysbus_mmio_map(s, 0, CFG_ADDR);
481     sysbus_mmio_map(s, 1, CFG_ADDR + 2);
482 
483     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
484     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)machine->smp.max_cpus);
485     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
486     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, machine_arch);
487     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
488     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
489     if (kernel_cmdline) {
490         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
491         pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
492     } else {
493         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
494     }
495     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
496     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
497     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
498 
499     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
500     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
501     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
502 
503     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_VIACONFIG, core99_machine->via_config);
504 
505     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
506     if (kvm_enabled()) {
507         uint8_t *hypercall;
508 
509         hypercall = g_malloc(16);
510         kvmppc_get_hypercall(env, hypercall, 16);
511         fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
512         fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
513     }
514     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq);
515     /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
516     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ);
517     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ);
518     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_NVRAM_ADDR, nvram_addr);
519 
520     /* MacOS NDRV VGA driver */
521     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, NDRV_VGA_FILENAME);
522     if (filename) {
523         gchar *ndrv_file;
524         gsize ndrv_size;
525 
526         if (g_file_get_contents(filename, &ndrv_file, &ndrv_size, NULL)) {
527             fw_cfg_add_file(fw_cfg, "ndrv/qemu_vga.ndrv", ndrv_file, ndrv_size);
528         }
529         g_free(filename);
530     }
531 
532     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
533 }
534 
535 /*
536  * Implementation of an interface to adjust firmware path
537  * for the bootindex property handling.
538  */
539 static char *core99_fw_dev_path(FWPathProvider *p, BusState *bus,
540                                 DeviceState *dev)
541 {
542     PCIDevice *pci;
543     MACIOIDEState *macio_ide;
544 
545     if (!strcmp(object_get_typename(OBJECT(dev)), "macio-newworld")) {
546         pci = PCI_DEVICE(dev);
547         return g_strdup_printf("mac-io@%x", PCI_SLOT(pci->devfn));
548     }
549 
550     if (!strcmp(object_get_typename(OBJECT(dev)), "macio-ide")) {
551         macio_ide = MACIO_IDE(dev);
552         return g_strdup_printf("ata-3@%x", macio_ide->addr);
553     }
554 
555     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-hd")) {
556         return g_strdup("disk");
557     }
558 
559     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
560         return g_strdup("cdrom");
561     }
562 
563     if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
564         return g_strdup("disk");
565     }
566 
567     return NULL;
568 }
569 static int core99_kvm_type(MachineState *machine, const char *arg)
570 {
571     /* Always force PR KVM */
572     return 2;
573 }
574 
575 static void core99_machine_class_init(ObjectClass *oc, void *data)
576 {
577     MachineClass *mc = MACHINE_CLASS(oc);
578     FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
579 
580     mc->desc = "Mac99 based PowerMAC";
581     mc->init = ppc_core99_init;
582     mc->block_default_type = IF_IDE;
583     /* SMP is not supported currently */
584     mc->max_cpus = 1;
585     mc->default_boot_order = "cd";
586     mc->default_display = "std";
587     mc->kvm_type = core99_kvm_type;
588 #ifdef TARGET_PPC64
589     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("970fx_v3.1");
590 #else
591     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("7400_v2.9");
592 #endif
593     mc->default_ram_id = "ppc_core99.ram";
594     mc->ignore_boot_device_suffixes = true;
595     fwc->get_dev_path = core99_fw_dev_path;
596 }
597 
598 static char *core99_get_via_config(Object *obj, Error **errp)
599 {
600     Core99MachineState *cms = CORE99_MACHINE(obj);
601 
602     switch (cms->via_config) {
603     default:
604     case CORE99_VIA_CONFIG_CUDA:
605         return g_strdup("cuda");
606 
607     case CORE99_VIA_CONFIG_PMU:
608         return g_strdup("pmu");
609 
610     case CORE99_VIA_CONFIG_PMU_ADB:
611         return g_strdup("pmu-adb");
612     }
613 }
614 
615 static void core99_set_via_config(Object *obj, const char *value, Error **errp)
616 {
617     Core99MachineState *cms = CORE99_MACHINE(obj);
618 
619     if (!strcmp(value, "cuda")) {
620         cms->via_config = CORE99_VIA_CONFIG_CUDA;
621     } else if (!strcmp(value, "pmu")) {
622         cms->via_config = CORE99_VIA_CONFIG_PMU;
623     } else if (!strcmp(value, "pmu-adb")) {
624         cms->via_config = CORE99_VIA_CONFIG_PMU_ADB;
625     } else {
626         error_setg(errp, "Invalid via value");
627         error_append_hint(errp, "Valid values are cuda, pmu, pmu-adb.\n");
628     }
629 }
630 
631 static void core99_instance_init(Object *obj)
632 {
633     Core99MachineState *cms = CORE99_MACHINE(obj);
634 
635     /* Default via_config is CORE99_VIA_CONFIG_CUDA */
636     cms->via_config = CORE99_VIA_CONFIG_CUDA;
637     object_property_add_str(obj, "via", core99_get_via_config,
638                             core99_set_via_config);
639     object_property_set_description(obj, "via",
640                                     "Set VIA configuration. "
641                                     "Valid values are cuda, pmu and pmu-adb");
642 
643     return;
644 }
645 
646 static const TypeInfo core99_machine_info = {
647     .name          = MACHINE_TYPE_NAME("mac99"),
648     .parent        = TYPE_MACHINE,
649     .class_init    = core99_machine_class_init,
650     .instance_init = core99_instance_init,
651     .instance_size = sizeof(Core99MachineState),
652     .interfaces = (InterfaceInfo[]) {
653         { TYPE_FW_PATH_PROVIDER },
654         { }
655     },
656 };
657 
658 static void mac_machine_register_types(void)
659 {
660     type_register_static(&core99_machine_info);
661 }
662 
663 type_init(mac_machine_register_types)
664