xref: /openbmc/qemu/hw/ppc/mac_newworld.c (revision 69430111)
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 "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/boards.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 *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     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     memory_region_add_subregion(get_system_memory(), 0, machine->ram);
158 
159     /* allocate and load firmware ROM */
160     memory_region_init_rom(bios, NULL, "ppc_core99.bios", PROM_SIZE,
161                            &error_fatal);
162     memory_region_add_subregion(get_system_memory(), PROM_BASE, bios);
163 
164     if (!bios_name) {
165         bios_name = PROM_FILENAME;
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     pic_dev = qdev_new(TYPE_OPENPIC);
297     qdev_prop_set_uint32(pic_dev, "model", OPENPIC_MODEL_KEYLARGO);
298     s = SYS_BUS_DEVICE(pic_dev);
299     sysbus_realize_and_unref(s, &error_fatal);
300     k = 0;
301     for (i = 0; i < smp_cpus; i++) {
302         for (j = 0; j < OPENPIC_OUTPUT_NB; j++) {
303             sysbus_connect_irq(s, k++, openpic_irqs[i].irq[j]);
304         }
305     }
306     g_free(openpic_irqs);
307 
308     if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) {
309         /* 970 gets a U3 bus */
310         /* Uninorth AGP bus */
311         dev = qdev_new(TYPE_U3_AGP_HOST_BRIDGE);
312         sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
313         uninorth_pci = U3_AGP_HOST_BRIDGE(dev);
314         s = SYS_BUS_DEVICE(dev);
315         /* PCI hole */
316         memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
317                                     sysbus_mmio_get_region(s, 2));
318         /* Register 8 MB of ISA IO space */
319         memory_region_add_subregion(get_system_memory(), 0xf2000000,
320                                     sysbus_mmio_get_region(s, 3));
321         sysbus_mmio_map(s, 0, 0xf0800000);
322         sysbus_mmio_map(s, 1, 0xf0c00000);
323 
324         for (i = 0; i < 4; i++) {
325             qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(pic_dev, 0x1b + i));
326         }
327 
328         machine_arch = ARCH_MAC99_U3;
329     } else {
330         /* Use values found on a real PowerMac */
331         /* Uninorth AGP bus */
332         dev = qdev_new(TYPE_UNI_NORTH_AGP_HOST_BRIDGE);
333         s = SYS_BUS_DEVICE(dev);
334         sysbus_realize_and_unref(s, &error_fatal);
335         sysbus_mmio_map(s, 0, 0xf0800000);
336         sysbus_mmio_map(s, 1, 0xf0c00000);
337 
338         for (i = 0; i < 4; i++) {
339             qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(pic_dev, 0x1b + i));
340         }
341 
342         /* Uninorth internal bus */
343         dev = qdev_new(TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE);
344         s = SYS_BUS_DEVICE(dev);
345         sysbus_realize_and_unref(s, &error_fatal);
346         sysbus_mmio_map(s, 0, 0xf4800000);
347         sysbus_mmio_map(s, 1, 0xf4c00000);
348 
349         for (i = 0; i < 4; i++) {
350             qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(pic_dev, 0x1b + i));
351         }
352 
353         /* Uninorth main bus */
354         dev = qdev_new(TYPE_UNI_NORTH_PCI_HOST_BRIDGE);
355         qdev_prop_set_uint32(dev, "ofw-addr", 0xf2000000);
356         sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
357         uninorth_pci = UNI_NORTH_PCI_HOST_BRIDGE(dev);
358         s = SYS_BUS_DEVICE(dev);
359         /* PCI hole */
360         memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
361                                     sysbus_mmio_get_region(s, 2));
362         /* Register 8 MB of ISA IO space */
363         memory_region_add_subregion(get_system_memory(), 0xf2000000,
364                                     sysbus_mmio_get_region(s, 3));
365         sysbus_mmio_map(s, 0, 0xf2800000);
366         sysbus_mmio_map(s, 1, 0xf2c00000);
367 
368         for (i = 0; i < 4; i++) {
369             qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(pic_dev, 0x1b + i));
370         }
371 
372         machine_arch = ARCH_MAC99;
373     }
374 
375     machine->usb |= defaults_enabled() && !machine->usb_disabled;
376     has_pmu = (core99_machine->via_config != CORE99_VIA_CONFIG_CUDA);
377     has_adb = (core99_machine->via_config == CORE99_VIA_CONFIG_CUDA ||
378                core99_machine->via_config == CORE99_VIA_CONFIG_PMU_ADB);
379 
380     /* Timebase Frequency */
381     if (kvm_enabled()) {
382         tbfreq = kvmppc_get_tbfreq();
383     } else {
384         tbfreq = TBFREQ;
385     }
386 
387     /* init basic PC hardware */
388     pci_bus = PCI_HOST_BRIDGE(uninorth_pci)->bus;
389 
390     /* MacIO */
391     macio = pci_new(-1, TYPE_NEWWORLD_MACIO);
392     dev = DEVICE(macio);
393     qdev_prop_set_uint64(dev, "frequency", tbfreq);
394     qdev_prop_set_bit(dev, "has-pmu", has_pmu);
395     qdev_prop_set_bit(dev, "has-adb", has_adb);
396     object_property_set_link(OBJECT(macio), "pic", OBJECT(pic_dev),
397                              &error_abort);
398 
399     escc = ESCC(object_resolve_path_component(OBJECT(macio), "escc"));
400     qdev_prop_set_chr(DEVICE(escc), "chrA", serial_hd(0));
401     qdev_prop_set_chr(DEVICE(escc), "chrB", serial_hd(1));
402 
403     pci_realize_and_unref(macio, pci_bus, &error_fatal);
404 
405     /* We only emulate 2 out of 3 IDE controllers for now */
406     ide_drive_get(hd, ARRAY_SIZE(hd));
407 
408     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
409                                                         "ide[0]"));
410     macio_ide_init_drives(macio_ide, hd);
411 
412     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
413                                                         "ide[1]"));
414     macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]);
415 
416     if (has_adb) {
417         if (has_pmu) {
418             dev = DEVICE(object_resolve_path_component(OBJECT(macio), "pmu"));
419         } else {
420             dev = DEVICE(object_resolve_path_component(OBJECT(macio), "cuda"));
421         }
422 
423         adb_bus = qdev_get_child_bus(dev, "adb.0");
424         dev = qdev_new(TYPE_ADB_KEYBOARD);
425         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
426 
427         dev = qdev_new(TYPE_ADB_MOUSE);
428         qdev_realize_and_unref(dev, adb_bus, &error_fatal);
429     }
430 
431     if (machine->usb) {
432         pci_create_simple(pci_bus, -1, "pci-ohci");
433 
434         /* U3 needs to use USB for input because Linux doesn't support via-cuda
435         on PPC64 */
436         if (!has_adb || machine_arch == ARCH_MAC99_U3) {
437             USBBus *usb_bus = usb_bus_find(-1);
438 
439             usb_create_simple(usb_bus, "usb-kbd");
440             usb_create_simple(usb_bus, "usb-mouse");
441         }
442     }
443 
444     pci_vga_init(pci_bus);
445 
446     if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8) {
447         graphic_depth = 15;
448     }
449 
450     for (i = 0; i < nb_nics; i++) {
451         pci_nic_init_nofail(&nd_table[i], pci_bus, "sungem", NULL);
452     }
453 
454     /* The NewWorld NVRAM is not located in the MacIO device */
455     if (kvm_enabled() && qemu_real_host_page_size > 4096) {
456         /* We can't combine read-write and read-only in a single page, so
457            move the NVRAM out of ROM again for KVM */
458         nvram_addr = 0xFFE00000;
459     }
460     dev = qdev_new(TYPE_MACIO_NVRAM);
461     qdev_prop_set_uint32(dev, "size", 0x2000);
462     qdev_prop_set_uint32(dev, "it_shift", 1);
463     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
464     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, nvram_addr);
465     nvr = MACIO_NVRAM(dev);
466     pmac_format_nvram_partition(nvr, 0x2000);
467     /* No PCI init: the BIOS will do it */
468 
469     dev = qdev_new(TYPE_FW_CFG_MEM);
470     fw_cfg = FW_CFG(dev);
471     qdev_prop_set_uint32(dev, "data_width", 1);
472     qdev_prop_set_bit(dev, "dma_enabled", false);
473     object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
474                               OBJECT(fw_cfg));
475     s = SYS_BUS_DEVICE(dev);
476     sysbus_realize_and_unref(s, &error_fatal);
477     sysbus_mmio_map(s, 0, CFG_ADDR);
478     sysbus_mmio_map(s, 1, CFG_ADDR + 2);
479 
480     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
481     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)machine->smp.max_cpus);
482     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
483     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, machine_arch);
484     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
485     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
486     if (kernel_cmdline) {
487         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
488         pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
489     } else {
490         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
491     }
492     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
493     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
494     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
495 
496     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
497     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
498     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
499 
500     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_VIACONFIG, core99_machine->via_config);
501 
502     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
503     if (kvm_enabled()) {
504         uint8_t *hypercall;
505 
506         hypercall = g_malloc(16);
507         kvmppc_get_hypercall(env, hypercall, 16);
508         fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
509         fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
510     }
511     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq);
512     /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
513     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ);
514     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ);
515     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_NVRAM_ADDR, nvram_addr);
516 
517     /* MacOS NDRV VGA driver */
518     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, NDRV_VGA_FILENAME);
519     if (filename) {
520         gchar *ndrv_file;
521         gsize ndrv_size;
522 
523         if (g_file_get_contents(filename, &ndrv_file, &ndrv_size, NULL)) {
524             fw_cfg_add_file(fw_cfg, "ndrv/qemu_vga.ndrv", ndrv_file, ndrv_size);
525         }
526         g_free(filename);
527     }
528 
529     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
530 }
531 
532 /*
533  * Implementation of an interface to adjust firmware path
534  * for the bootindex property handling.
535  */
536 static char *core99_fw_dev_path(FWPathProvider *p, BusState *bus,
537                                 DeviceState *dev)
538 {
539     PCIDevice *pci;
540     IDEBus *ide_bus;
541     IDEState *ide_s;
542     MACIOIDEState *macio_ide;
543 
544     if (!strcmp(object_get_typename(OBJECT(dev)), "macio-newworld")) {
545         pci = PCI_DEVICE(dev);
546         return g_strdup_printf("mac-io@%x", PCI_SLOT(pci->devfn));
547     }
548 
549     if (!strcmp(object_get_typename(OBJECT(dev)), "macio-ide")) {
550         macio_ide = MACIO_IDE(dev);
551         return g_strdup_printf("ata-3@%x", macio_ide->addr);
552     }
553 
554     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-drive")) {
555         ide_bus = IDE_BUS(qdev_get_parent_bus(dev));
556         ide_s = idebus_active_if(ide_bus);
557 
558         if (ide_s->drive_kind == IDE_CD) {
559             return g_strdup("cdrom");
560         }
561 
562         return g_strdup("disk");
563     }
564 
565     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-hd")) {
566         return g_strdup("disk");
567     }
568 
569     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
570         return g_strdup("cdrom");
571     }
572 
573     if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
574         return g_strdup("disk");
575     }
576 
577     return NULL;
578 }
579 static int core99_kvm_type(MachineState *machine, const char *arg)
580 {
581     /* Always force PR KVM */
582     return 2;
583 }
584 
585 static void core99_machine_class_init(ObjectClass *oc, void *data)
586 {
587     MachineClass *mc = MACHINE_CLASS(oc);
588     FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
589 
590     mc->desc = "Mac99 based PowerMAC";
591     mc->init = ppc_core99_init;
592     mc->block_default_type = IF_IDE;
593     mc->max_cpus = MAX_CPUS;
594     mc->default_boot_order = "cd";
595     mc->default_display = "std";
596     mc->kvm_type = core99_kvm_type;
597 #ifdef TARGET_PPC64
598     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("970fx_v3.1");
599 #else
600     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("7400_v2.9");
601 #endif
602     mc->default_ram_id = "ppc_core99.ram";
603     mc->ignore_boot_device_suffixes = true;
604     fwc->get_dev_path = core99_fw_dev_path;
605 }
606 
607 static char *core99_get_via_config(Object *obj, Error **errp)
608 {
609     Core99MachineState *cms = CORE99_MACHINE(obj);
610 
611     switch (cms->via_config) {
612     default:
613     case CORE99_VIA_CONFIG_CUDA:
614         return g_strdup("cuda");
615 
616     case CORE99_VIA_CONFIG_PMU:
617         return g_strdup("pmu");
618 
619     case CORE99_VIA_CONFIG_PMU_ADB:
620         return g_strdup("pmu-adb");
621     }
622 }
623 
624 static void core99_set_via_config(Object *obj, const char *value, Error **errp)
625 {
626     Core99MachineState *cms = CORE99_MACHINE(obj);
627 
628     if (!strcmp(value, "cuda")) {
629         cms->via_config = CORE99_VIA_CONFIG_CUDA;
630     } else if (!strcmp(value, "pmu")) {
631         cms->via_config = CORE99_VIA_CONFIG_PMU;
632     } else if (!strcmp(value, "pmu-adb")) {
633         cms->via_config = CORE99_VIA_CONFIG_PMU_ADB;
634     } else {
635         error_setg(errp, "Invalid via value");
636         error_append_hint(errp, "Valid values are cuda, pmu, pmu-adb.\n");
637     }
638 }
639 
640 static void core99_instance_init(Object *obj)
641 {
642     Core99MachineState *cms = CORE99_MACHINE(obj);
643 
644     /* Default via_config is CORE99_VIA_CONFIG_CUDA */
645     cms->via_config = CORE99_VIA_CONFIG_CUDA;
646     object_property_add_str(obj, "via", core99_get_via_config,
647                             core99_set_via_config);
648     object_property_set_description(obj, "via",
649                                     "Set VIA configuration. "
650                                     "Valid values are cuda, pmu and pmu-adb");
651 
652     return;
653 }
654 
655 static const TypeInfo core99_machine_info = {
656     .name          = MACHINE_TYPE_NAME("mac99"),
657     .parent        = TYPE_MACHINE,
658     .class_init    = core99_machine_class_init,
659     .instance_init = core99_instance_init,
660     .instance_size = sizeof(Core99MachineState),
661     .interfaces = (InterfaceInfo[]) {
662         { TYPE_FW_PATH_PROVIDER },
663         { }
664     },
665 };
666 
667 static void mac_machine_register_types(void)
668 {
669     type_register_static(&core99_machine_info);
670 }
671 
672 type_init(mac_machine_register_types)
673