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/ide.h"
66 #include "hw/loader.h"
67 #include "hw/fw-path-provider.h"
68 #include "elf.h"
69 #include "qemu/error-report.h"
70 #include "sysemu/kvm.h"
71 #include "sysemu/reset.h"
72 #include "kvm_ppc.h"
73 #include "hw/usb.h"
74 #include "exec/address-spaces.h"
75 #include "hw/sysbus.h"
76 #include "trace.h"
77 
78 /* FreeBSD headers define this */
79 #ifdef round_page
80 #undef round_page
81 #endif
82 
83 #define MAX_IDE_BUS 2
84 #define CFG_ADDR 0xf0000510
85 #define TBFREQ (100UL * 1000UL * 1000UL)
86 #define CLOCKFREQ (900UL * 1000UL * 1000UL)
87 #define BUSFREQ (100UL * 1000UL * 1000UL)
88 
89 #define NDRV_VGA_FILENAME "qemu_vga.ndrv"
90 
91 
fw_cfg_boot_set(void * opaque,const char * boot_device,Error ** errp)92 static void fw_cfg_boot_set(void *opaque, const char *boot_device,
93                             Error **errp)
94 {
95     fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
96 }
97 
translate_kernel_address(void * opaque,uint64_t addr)98 static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
99 {
100     return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR;
101 }
102 
ppc_core99_reset(void * opaque)103 static void ppc_core99_reset(void *opaque)
104 {
105     PowerPCCPU *cpu = opaque;
106 
107     cpu_reset(CPU(cpu));
108     /* 970 CPUs want to get their initial IP as part of their boot protocol */
109     cpu->env.nip = PROM_ADDR + 0x100;
110 }
111 
112 /* PowerPC Mac99 hardware initialisation */
ppc_core99_init(MachineState * machine)113 static void ppc_core99_init(MachineState *machine)
114 {
115     ram_addr_t ram_size = machine->ram_size;
116     const char *kernel_filename = machine->kernel_filename;
117     const char *kernel_cmdline = machine->kernel_cmdline;
118     const char *initrd_filename = machine->initrd_filename;
119     const char *boot_device = machine->boot_order;
120     Core99MachineState *core99_machine = CORE99_MACHINE(machine);
121     PowerPCCPU *cpu = NULL;
122     CPUPPCState *env = NULL;
123     char *filename;
124     IrqLines *openpic_irqs;
125     int linux_boot, i, j, k;
126     MemoryRegion *ram = g_new(MemoryRegion, 1), *bios = g_new(MemoryRegion, 1);
127     hwaddr kernel_base, initrd_base, cmdline_base = 0;
128     long kernel_size, initrd_size;
129     UNINHostState *uninorth_pci;
130     PCIBus *pci_bus;
131     NewWorldMacIOState *macio;
132     bool has_pmu, has_adb;
133     MACIOIDEState *macio_ide;
134     BusState *adb_bus;
135     MacIONVRAMState *nvr;
136     int bios_size;
137     int ppc_boot_device;
138     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
139     void *fw_cfg;
140     int machine_arch;
141     SysBusDevice *s;
142     DeviceState *dev, *pic_dev;
143     hwaddr nvram_addr = 0xFFF04000;
144     uint64_t tbfreq;
145     unsigned int smp_cpus = machine->smp.cpus;
146 
147     linux_boot = (kernel_filename != NULL);
148 
149     /* init CPUs */
150     for (i = 0; i < smp_cpus; i++) {
151         cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
152         env = &cpu->env;
153 
154         /* Set time-base frequency to 100 Mhz */
155         cpu_ppc_tb_init(env, TBFREQ);
156         qemu_register_reset(ppc_core99_reset, cpu);
157     }
158 
159     /* allocate RAM */
160     memory_region_allocate_system_memory(ram, NULL, "ppc_core99.ram", ram_size);
161     memory_region_add_subregion(get_system_memory(), 0, ram);
162 
163     /* allocate and load BIOS */
164     memory_region_init_ram(bios, NULL, "ppc_core99.bios", BIOS_SIZE,
165                            &error_fatal);
166 
167     if (bios_name == NULL)
168         bios_name = PROM_FILENAME;
169     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
170     memory_region_set_readonly(bios, true);
171     memory_region_add_subregion(get_system_memory(), PROM_ADDR, bios);
172 
173     /* Load OpenBIOS (ELF) */
174     if (filename) {
175         bios_size = load_elf(filename, NULL, NULL, NULL, NULL,
176                              NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0);
177 
178         g_free(filename);
179     } else {
180         bios_size = -1;
181     }
182     if (bios_size < 0 || bios_size > BIOS_SIZE) {
183         error_report("could not load PowerPC bios '%s'", bios_name);
184         exit(1);
185     }
186 
187     if (linux_boot) {
188         uint64_t lowaddr = 0;
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,
200                                NULL, &lowaddr, NULL, 1, PPC_ELF_MACHINE,
201                                0, 0);
202         if (kernel_size < 0)
203             kernel_size = load_aout(kernel_filename, kernel_base,
204                                     ram_size - kernel_base, bswap_needed,
205                                     TARGET_PAGE_SIZE);
206         if (kernel_size < 0)
207             kernel_size = load_image_targphys(kernel_filename,
208                                               kernel_base,
209                                               ram_size - kernel_base);
210         if (kernel_size < 0) {
211             error_report("could not load kernel '%s'", kernel_filename);
212             exit(1);
213         }
214         /* load initrd */
215         if (initrd_filename) {
216             initrd_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
217             initrd_size = load_image_targphys(initrd_filename, initrd_base,
218                                               ram_size - initrd_base);
219             if (initrd_size < 0) {
220                 error_report("could not load initial ram disk '%s'",
221                              initrd_filename);
222                 exit(1);
223             }
224             cmdline_base = TARGET_PAGE_ALIGN(initrd_base + initrd_size);
225         } else {
226             initrd_base = 0;
227             initrd_size = 0;
228             cmdline_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
229         }
230         ppc_boot_device = 'm';
231     } else {
232         kernel_base = 0;
233         kernel_size = 0;
234         initrd_base = 0;
235         initrd_size = 0;
236         ppc_boot_device = '\0';
237         /* We consider that NewWorld PowerMac never have any floppy drive
238          * For now, OHW cannot boot from the network.
239          */
240         for (i = 0; boot_device[i] != '\0'; i++) {
241             if (boot_device[i] >= 'c' && boot_device[i] <= 'f') {
242                 ppc_boot_device = boot_device[i];
243                 break;
244             }
245         }
246         if (ppc_boot_device == '\0') {
247             error_report("No valid boot device for Mac99 machine");
248             exit(1);
249         }
250     }
251 
252     /* UniN init */
253     dev = qdev_create(NULL, TYPE_UNI_NORTH);
254     qdev_init_nofail(dev);
255     s = SYS_BUS_DEVICE(dev);
256     memory_region_add_subregion(get_system_memory(), 0xf8000000,
257                                 sysbus_mmio_get_region(s, 0));
258 
259     openpic_irqs = g_new0(IrqLines, smp_cpus);
260     for (i = 0; i < smp_cpus; i++) {
261         /* Mac99 IRQ connection between OpenPIC outputs pins
262          * and PowerPC input pins
263          */
264         switch (PPC_INPUT(env)) {
265         case PPC_FLAGS_INPUT_6xx:
266             openpic_irqs[i].irq[OPENPIC_OUTPUT_INT] =
267                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
268             openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
269                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
270             openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
271                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP];
272             /* Not connected ? */
273             openpic_irqs[i].irq[OPENPIC_OUTPUT_DEBUG] = NULL;
274             /* Check this */
275             openpic_irqs[i].irq[OPENPIC_OUTPUT_RESET] =
276                 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET];
277             break;
278 #if defined(TARGET_PPC64)
279         case PPC_FLAGS_INPUT_970:
280             openpic_irqs[i].irq[OPENPIC_OUTPUT_INT] =
281                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
282             openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
283                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
284             openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
285                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP];
286             /* Not connected ? */
287             openpic_irqs[i].irq[OPENPIC_OUTPUT_DEBUG] = NULL;
288             /* Check this */
289             openpic_irqs[i].irq[OPENPIC_OUTPUT_RESET] =
290                 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET];
291             break;
292 #endif /* defined(TARGET_PPC64) */
293         default:
294             error_report("Bus model not supported on mac99 machine");
295             exit(1);
296         }
297     }
298 
299     pic_dev = qdev_create(NULL, TYPE_OPENPIC);
300     qdev_prop_set_uint32(pic_dev, "model", OPENPIC_MODEL_KEYLARGO);
301     qdev_init_nofail(pic_dev);
302     s = SYS_BUS_DEVICE(pic_dev);
303     k = 0;
304     for (i = 0; i < smp_cpus; i++) {
305         for (j = 0; j < OPENPIC_OUTPUT_NB; j++) {
306             sysbus_connect_irq(s, k++, openpic_irqs[i].irq[j]);
307         }
308     }
309     g_free(openpic_irqs);
310 
311     if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) {
312         /* 970 gets a U3 bus */
313         /* Uninorth AGP bus */
314         dev = qdev_create(NULL, TYPE_U3_AGP_HOST_BRIDGE);
315         object_property_set_link(OBJECT(dev), OBJECT(pic_dev), "pic",
316                                  &error_abort);
317         qdev_init_nofail(dev);
318         uninorth_pci = U3_AGP_HOST_BRIDGE(dev);
319         s = SYS_BUS_DEVICE(dev);
320         /* PCI hole */
321         memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
322                                     sysbus_mmio_get_region(s, 2));
323         /* Register 8 MB of ISA IO space */
324         memory_region_add_subregion(get_system_memory(), 0xf2000000,
325                                     sysbus_mmio_get_region(s, 3));
326         sysbus_mmio_map(s, 0, 0xf0800000);
327         sysbus_mmio_map(s, 1, 0xf0c00000);
328 
329         machine_arch = ARCH_MAC99_U3;
330     } else {
331         /* Use values found on a real PowerMac */
332         /* Uninorth AGP bus */
333         dev = qdev_create(NULL, TYPE_UNI_NORTH_AGP_HOST_BRIDGE);
334         object_property_set_link(OBJECT(dev), OBJECT(pic_dev), "pic",
335                                  &error_abort);
336         qdev_init_nofail(dev);
337         s = SYS_BUS_DEVICE(dev);
338         sysbus_mmio_map(s, 0, 0xf0800000);
339         sysbus_mmio_map(s, 1, 0xf0c00000);
340 
341         /* Uninorth internal bus */
342         dev = qdev_create(NULL, TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE);
343         object_property_set_link(OBJECT(dev), OBJECT(pic_dev), "pic",
344                                  &error_abort);
345         qdev_init_nofail(dev);
346         s = SYS_BUS_DEVICE(dev);
347         sysbus_mmio_map(s, 0, 0xf4800000);
348         sysbus_mmio_map(s, 1, 0xf4c00000);
349 
350         /* Uninorth main bus */
351         dev = qdev_create(NULL, TYPE_UNI_NORTH_PCI_HOST_BRIDGE);
352         qdev_prop_set_uint32(dev, "ofw-addr", 0xf2000000);
353         object_property_set_link(OBJECT(dev), OBJECT(pic_dev), "pic",
354                                  &error_abort);
355         qdev_init_nofail(dev);
356         uninorth_pci = UNI_NORTH_PCI_HOST_BRIDGE(dev);
357         s = SYS_BUS_DEVICE(dev);
358         /* PCI hole */
359         memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
360                                     sysbus_mmio_get_region(s, 2));
361         /* Register 8 MB of ISA IO space */
362         memory_region_add_subregion(get_system_memory(), 0xf2000000,
363                                     sysbus_mmio_get_region(s, 3));
364         sysbus_mmio_map(s, 0, 0xf2800000);
365         sysbus_mmio_map(s, 1, 0xf2c00000);
366 
367         machine_arch = ARCH_MAC99;
368     }
369 
370     machine->usb |= defaults_enabled() && !machine->usb_disabled;
371     has_pmu = (core99_machine->via_config != CORE99_VIA_CONFIG_CUDA);
372     has_adb = (core99_machine->via_config == CORE99_VIA_CONFIG_CUDA ||
373                core99_machine->via_config == CORE99_VIA_CONFIG_PMU_ADB);
374 
375     /* Timebase Frequency */
376     if (kvm_enabled()) {
377         tbfreq = kvmppc_get_tbfreq();
378     } else {
379         tbfreq = TBFREQ;
380     }
381 
382     /* init basic PC hardware */
383     pci_bus = PCI_HOST_BRIDGE(uninorth_pci)->bus;
384 
385     /* MacIO */
386     macio = NEWWORLD_MACIO(pci_create(pci_bus, -1, TYPE_NEWWORLD_MACIO));
387     dev = DEVICE(macio);
388     qdev_prop_set_uint64(dev, "frequency", tbfreq);
389     qdev_prop_set_bit(dev, "has-pmu", has_pmu);
390     qdev_prop_set_bit(dev, "has-adb", has_adb);
391     object_property_set_link(OBJECT(macio), OBJECT(pic_dev), "pic",
392                              &error_abort);
393     qdev_init_nofail(dev);
394 
395     /* We only emulate 2 out of 3 IDE controllers for now */
396     ide_drive_get(hd, ARRAY_SIZE(hd));
397 
398     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
399                                                         "ide[0]"));
400     macio_ide_init_drives(macio_ide, hd);
401 
402     macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
403                                                         "ide[1]"));
404     macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]);
405 
406     if (has_adb) {
407         if (has_pmu) {
408             dev = DEVICE(object_resolve_path_component(OBJECT(macio), "pmu"));
409         } else {
410             dev = DEVICE(object_resolve_path_component(OBJECT(macio), "cuda"));
411         }
412 
413         adb_bus = qdev_get_child_bus(dev, "adb.0");
414         dev = qdev_create(adb_bus, TYPE_ADB_KEYBOARD);
415         qdev_prop_set_bit(dev, "disable-direct-reg3-writes", true);
416         qdev_init_nofail(dev);
417 
418         dev = qdev_create(adb_bus, TYPE_ADB_MOUSE);
419         qdev_prop_set_bit(dev, "disable-direct-reg3-writes", true);
420         qdev_init_nofail(dev);
421     }
422 
423     if (machine->usb) {
424         pci_create_simple(pci_bus, -1, "pci-ohci");
425 
426         /* U3 needs to use USB for input because Linux doesn't support via-cuda
427         on PPC64 */
428         if (!has_adb || machine_arch == ARCH_MAC99_U3) {
429             USBBus *usb_bus = usb_bus_find(-1);
430 
431             usb_create_simple(usb_bus, "usb-kbd");
432             usb_create_simple(usb_bus, "usb-mouse");
433         }
434     }
435 
436     pci_vga_init(pci_bus);
437 
438     if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8) {
439         graphic_depth = 15;
440     }
441 
442     for (i = 0; i < nb_nics; i++) {
443         pci_nic_init_nofail(&nd_table[i], pci_bus, "sungem", NULL);
444     }
445 
446     /* The NewWorld NVRAM is not located in the MacIO device */
447     if (kvm_enabled() && qemu_real_host_page_size > 4096) {
448         /* We can't combine read-write and read-only in a single page, so
449            move the NVRAM out of ROM again for KVM */
450         nvram_addr = 0xFFE00000;
451     }
452     dev = qdev_create(NULL, TYPE_MACIO_NVRAM);
453     qdev_prop_set_uint32(dev, "size", 0x2000);
454     qdev_prop_set_uint32(dev, "it_shift", 1);
455     qdev_init_nofail(dev);
456     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, nvram_addr);
457     nvr = MACIO_NVRAM(dev);
458     pmac_format_nvram_partition(nvr, 0x2000);
459     /* No PCI init: the BIOS will do it */
460 
461     dev = qdev_create(NULL, TYPE_FW_CFG_MEM);
462     fw_cfg = FW_CFG(dev);
463     qdev_prop_set_uint32(dev, "data_width", 1);
464     qdev_prop_set_bit(dev, "dma_enabled", false);
465     object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
466                               OBJECT(fw_cfg), NULL);
467     qdev_init_nofail(dev);
468     s = SYS_BUS_DEVICE(dev);
469     sysbus_mmio_map(s, 0, CFG_ADDR);
470     sysbus_mmio_map(s, 1, CFG_ADDR + 2);
471 
472     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
473     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)machine->smp.max_cpus);
474     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
475     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, machine_arch);
476     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
477     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
478     if (kernel_cmdline) {
479         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
480         pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
481     } else {
482         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
483     }
484     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
485     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
486     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
487 
488     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
489     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
490     fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
491 
492     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_VIACONFIG, core99_machine->via_config);
493 
494     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
495     if (kvm_enabled()) {
496         uint8_t *hypercall;
497 
498         hypercall = g_malloc(16);
499         kvmppc_get_hypercall(env, hypercall, 16);
500         fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
501         fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
502     }
503     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq);
504     /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
505     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ);
506     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ);
507     fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_NVRAM_ADDR, nvram_addr);
508 
509     /* MacOS NDRV VGA driver */
510     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, NDRV_VGA_FILENAME);
511     if (filename) {
512         gchar *ndrv_file;
513         gsize ndrv_size;
514 
515         if (g_file_get_contents(filename, &ndrv_file, &ndrv_size, NULL)) {
516             fw_cfg_add_file(fw_cfg, "ndrv/qemu_vga.ndrv", ndrv_file, ndrv_size);
517         }
518         g_free(filename);
519     }
520 
521     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
522 }
523 
524 /*
525  * Implementation of an interface to adjust firmware path
526  * for the bootindex property handling.
527  */
core99_fw_dev_path(FWPathProvider * p,BusState * bus,DeviceState * dev)528 static char *core99_fw_dev_path(FWPathProvider *p, BusState *bus,
529                                 DeviceState *dev)
530 {
531     PCIDevice *pci;
532     IDEBus *ide_bus;
533     IDEState *ide_s;
534     MACIOIDEState *macio_ide;
535 
536     if (!strcmp(object_get_typename(OBJECT(dev)), "macio-newworld")) {
537         pci = PCI_DEVICE(dev);
538         return g_strdup_printf("mac-io@%x", PCI_SLOT(pci->devfn));
539     }
540 
541     if (!strcmp(object_get_typename(OBJECT(dev)), "macio-ide")) {
542         macio_ide = MACIO_IDE(dev);
543         return g_strdup_printf("ata-3@%x", macio_ide->addr);
544     }
545 
546     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-drive")) {
547         ide_bus = IDE_BUS(qdev_get_parent_bus(dev));
548         ide_s = idebus_active_if(ide_bus);
549 
550         if (ide_s->drive_kind == IDE_CD) {
551             return g_strdup("cdrom");
552         }
553 
554         return g_strdup("disk");
555     }
556 
557     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-hd")) {
558         return g_strdup("disk");
559     }
560 
561     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
562         return g_strdup("cdrom");
563     }
564 
565     if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
566         return g_strdup("disk");
567     }
568 
569     return NULL;
570 }
core99_kvm_type(MachineState * machine,const char * arg)571 static int core99_kvm_type(MachineState *machine, const char *arg)
572 {
573     /* Always force PR KVM */
574     return 2;
575 }
576 
core99_machine_class_init(ObjectClass * oc,void * data)577 static void core99_machine_class_init(ObjectClass *oc, void *data)
578 {
579     MachineClass *mc = MACHINE_CLASS(oc);
580     FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
581 
582     mc->desc = "Mac99 based PowerMAC";
583     mc->init = ppc_core99_init;
584     mc->block_default_type = IF_IDE;
585     mc->max_cpus = MAX_CPUS;
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->ignore_boot_device_suffixes = true;
595     fwc->get_dev_path = core99_fw_dev_path;
596 }
597 
core99_get_via_config(Object * obj,Error ** errp)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 
core99_set_via_config(Object * obj,const char * value,Error ** errp)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 
core99_instance_init(Object * obj)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, NULL);
639     object_property_set_description(obj, "via",
640                                     "Set VIA configuration. "
641                                     "Valid values are cuda, pmu and pmu-adb",
642                                     NULL);
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 
mac_machine_register_types(void)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