1
2/*
3 * QEMU OldWorld PowerMac (currently ~G3 Beige) hardware System Emulator
4 *
5 * Copyright (c) 2004-2007 Fabrice Bellard
6 * Copyright (c) 2007 Jocelyn Mayer
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a copy
9 * of this software and associated documentation files (the "Software"), to deal
10 * in the Software without restriction, including without limitation the rights
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 * copies of the Software, and to permit persons to whom the Software is
13 * furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 * THE SOFTWARE.
25 */
26
27#include "qemu/osdep.h"
28#include "qemu-common.h"
29#include "qemu/units.h"
30#include "qapi/error.h"
31#include "hw/ppc/ppc.h"
32#include "hw/qdev-properties.h"
33#include "mac.h"
34#include "hw/input/adb.h"
35#include "sysemu/sysemu.h"
36#include "net/net.h"
37#include "hw/isa/isa.h"
38#include "hw/pci/pci.h"
39#include "hw/pci/pci_host.h"
40#include "hw/boards.h"
41#include "hw/nvram/fw_cfg.h"
42#include "hw/char/escc.h"
43#include "hw/misc/macio/macio.h"
44#include "hw/ide.h"
45#include "hw/loader.h"
46#include "hw/fw-path-provider.h"
47#include "elf.h"
48#include "qemu/error-report.h"
49#include "sysemu/kvm.h"
50#include "sysemu/reset.h"
51#include "kvm_ppc.h"
52#include "exec/address-spaces.h"
53
54#define MAX_IDE_BUS 2
55#define CFG_ADDR 0xf0000510
56#define TBFREQ 16600000UL
57#define CLOCKFREQ 266000000UL
58#define BUSFREQ 66000000UL
59
60#define NDRV_VGA_FILENAME "qemu_vga.ndrv"
61
62#define GRACKLE_BASE 0xfec00000
63
64static void fw_cfg_boot_set(void *opaque, const char *boot_device,
65 Error **errp)
66{
67 fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
68}
69
70static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
71{
72 return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR;
73}
74
75static void ppc_heathrow_reset(void *opaque)
76{
77 PowerPCCPU *cpu = opaque;
78
79 cpu_reset(CPU(cpu));
80}
81
82static void ppc_heathrow_init(MachineState *machine)
83{
84 ram_addr_t ram_size = machine->ram_size;
85 const char *kernel_filename = machine->kernel_filename;
86 const char *kernel_cmdline = machine->kernel_cmdline;
87 const char *initrd_filename = machine->initrd_filename;
88 const char *boot_device = machine->boot_order;
89 MemoryRegion *sysmem = get_system_memory();
90 PowerPCCPU *cpu = NULL;
91 CPUPPCState *env = NULL;
92 char *filename;
93 int linux_boot, i;
94 MemoryRegion *ram = g_new(MemoryRegion, 1);
95 MemoryRegion *bios = g_new(MemoryRegion, 1);
96 uint32_t kernel_base, initrd_base, cmdline_base = 0;
97 int32_t kernel_size, initrd_size;
98 PCIBus *pci_bus;
99 OldWorldMacIOState *macio;
100 MACIOIDEState *macio_ide;
101 SysBusDevice *s;
102 DeviceState *dev, *pic_dev;
103 BusState *adb_bus;
104 int bios_size;
105 unsigned int smp_cpus = machine->smp.cpus;
106 uint16_t ppc_boot_device;
107 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
108 void *fw_cfg;
109 uint64_t tbfreq;
110
111 linux_boot = (kernel_filename != NULL);
112
113 /* init CPUs */
114 for (i = 0; i < smp_cpus; i++) {
115 cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
116 env = &cpu->env;
117
118 /* Set time-base frequency to 16.6 Mhz */
119 cpu_ppc_tb_init(env, TBFREQ);
120 qemu_register_reset(ppc_heathrow_reset, cpu);
121 }
122
123 /* allocate RAM */
124 if (ram_size > 2047 * MiB) {
125 error_report("Too much memory for this machine: %" PRId64 " MB, "
126 "maximum 2047 MB", ram_size / MiB);
127 exit(1);
128 }
129
130 memory_region_allocate_system_memory(ram, NULL, "ppc_heathrow.ram",
131 ram_size);
132 memory_region_add_subregion(sysmem, 0, ram);
133
134 /* allocate and load BIOS */
135 memory_region_init_ram(bios, NULL, "ppc_heathrow.bios", BIOS_SIZE,
136 &error_fatal);
137
138 if (bios_name == NULL)
139 bios_name = PROM_FILENAME;
140 filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
141 memory_region_set_readonly(bios, true);
142 memory_region_add_subregion(sysmem, PROM_ADDR, bios);
143
144 /* Load OpenBIOS (ELF) */
145 if (filename) {
146 bios_size = load_elf(filename, NULL, 0, NULL, NULL, NULL, NULL,
147 1, PPC_ELF_MACHINE, 0, 0);
148 g_free(filename);
149 } else {
150 bios_size = -1;
151 }
152 if (bios_size < 0 || bios_size > BIOS_SIZE) {
153 error_report("could not load PowerPC bios '%s'", bios_name);
154 exit(1);
155 }
156
157 if (linux_boot) {
158 uint64_t lowaddr = 0;
159 int bswap_needed;
160
161#ifdef BSWAP_NEEDED
162 bswap_needed = 1;
163#else
164 bswap_needed = 0;
165#endif
166 kernel_base = KERNEL_LOAD_ADDR;
167 kernel_size = load_elf(kernel_filename, NULL,
168 translate_kernel_address, NULL,
169 NULL, &lowaddr, NULL, 1, PPC_ELF_MACHINE,
170 0, 0);
171 if (kernel_size < 0)
172 kernel_size = load_aout(kernel_filename, kernel_base,
173 ram_size - kernel_base, bswap_needed,
174 TARGET_PAGE_SIZE);
175 if (kernel_size < 0)
176 kernel_size = load_image_targphys(kernel_filename,
177 kernel_base,
178 ram_size - kernel_base);
179 if (kernel_size < 0) {
180 error_report("could not load kernel '%s'", kernel_filename);
181 exit(1);
182 }
183 /* load initrd */
184 if (initrd_filename) {
185 initrd_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
186 initrd_size = load_image_targphys(initrd_filename, initrd_base,
187 ram_size - initrd_base);
188 if (initrd_size < 0) {
189 error_report("could not load initial ram disk '%s'",
190 initrd_filename);
191 exit(1);
192 }
193 cmdline_base = TARGET_PAGE_ALIGN(initrd_base + initrd_size);
194 } else {
195 initrd_base = 0;
196 initrd_size = 0;
197 cmdline_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
198 }
199 ppc_boot_device = 'm';
200 } else {
201 kernel_base = 0;
202 kernel_size = 0;
203 initrd_base = 0;
204 initrd_size = 0;
205 ppc_boot_device = '\0';
206 for (i = 0; boot_device[i] != '\0'; i++) {
207 /* TOFIX: for now, the second IDE channel is not properly
208 * used by OHW. The Mac floppy disk are not emulated.
209 * For now, OHW cannot boot from the network.
210 */
211#if 0
212 if (boot_device[i] >= 'a' && boot_device[i] <= 'f') {
213 ppc_boot_device = boot_device[i];
214 break;
215 }
216#else
217 if (boot_device[i] >= 'c' && boot_device[i] <= 'd') {
218 ppc_boot_device = boot_device[i];
219 break;
220 }
221#endif
222 }
223 if (ppc_boot_device == '\0') {
224 error_report("No valid boot device for G3 Beige machine");
225 exit(1);
226 }
227 }
228
229 /* XXX: we register only 1 output pin for heathrow PIC */
230 pic_dev = qdev_create(NULL, TYPE_HEATHROW);
231 qdev_init_nofail(pic_dev);
232
233 /* Connect the heathrow PIC outputs to the 6xx bus */
234 for (i = 0; i < smp_cpus; i++) {
235 switch (PPC_INPUT(env)) {
236 case PPC_FLAGS_INPUT_6xx:
237 qdev_connect_gpio_out(pic_dev, 0,
238 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT]);
239 break;
240 default:
241 error_report("Bus model not supported on OldWorld Mac machine");
242 exit(1);
243 }
244 }
245
246 /* Timebase Frequency */
247 if (kvm_enabled()) {
248 tbfreq = kvmppc_get_tbfreq();
249 } else {
250 tbfreq = TBFREQ;
251 }
252
253 /* init basic PC hardware */
254 if (PPC_INPUT(env) != PPC_FLAGS_INPUT_6xx) {
255 error_report("Only 6xx bus is supported on heathrow machine");
256 exit(1);
257 }
258
259 /* Grackle PCI host bridge */
260 dev = qdev_create(NULL, TYPE_GRACKLE_PCI_HOST_BRIDGE);
261 qdev_prop_set_uint32(dev, "ofw-addr", 0x80000000);
262 object_property_set_link(OBJECT(dev), OBJECT(pic_dev), "pic",
263 &error_abort);
264 qdev_init_nofail(dev);
265 s = SYS_BUS_DEVICE(dev);
266 sysbus_mmio_map(s, 0, GRACKLE_BASE);
267 sysbus_mmio_map(s, 1, GRACKLE_BASE + 0x200000);
268 /* PCI hole */
269 memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
270 sysbus_mmio_get_region(s, 2));
271 /* Register 2 MB of ISA IO space */
272 memory_region_add_subregion(get_system_memory(), 0xfe000000,
273 sysbus_mmio_get_region(s, 3));
274
275 pci_bus = PCI_HOST_BRIDGE(dev)->bus;
276
277 pci_vga_init(pci_bus);
278
279 for (i = 0; i < nb_nics; i++) {
280 pci_nic_init_nofail(&nd_table[i], pci_bus, "ne2k_pci", NULL);
281 }
282
283 ide_drive_get(hd, ARRAY_SIZE(hd));
284
285 /* MacIO */
286 macio = OLDWORLD_MACIO(pci_create(pci_bus, -1, TYPE_OLDWORLD_MACIO));
287 dev = DEVICE(macio);
288 qdev_prop_set_uint64(dev, "frequency", tbfreq);
289 object_property_set_link(OBJECT(macio), OBJECT(pic_dev), "pic",
290 &error_abort);
291 qdev_init_nofail(dev);
292
293 macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
294 "ide[0]"));
295 macio_ide_init_drives(macio_ide, hd);
296
297 macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
298 "ide[1]"));
299 macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]);
300
301 dev = DEVICE(object_resolve_path_component(OBJECT(macio), "cuda"));
302 adb_bus = qdev_get_child_bus(dev, "adb.0");
303 dev = qdev_create(adb_bus, TYPE_ADB_KEYBOARD);
304 qdev_init_nofail(dev);
305 dev = qdev_create(adb_bus, TYPE_ADB_MOUSE);
306 qdev_init_nofail(dev);
307
308 if (machine_usb(machine)) {
309 pci_create_simple(pci_bus, -1, "pci-ohci");
310 }
311
312 if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8)
313 graphic_depth = 15;
314
315 /* No PCI init: the BIOS will do it */
316
317 dev = qdev_create(NULL, TYPE_FW_CFG_MEM);
318 fw_cfg = FW_CFG(dev);
319 qdev_prop_set_uint32(dev, "data_width", 1);
320 qdev_prop_set_bit(dev, "dma_enabled", false);
321 object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
322 OBJECT(fw_cfg), NULL);
323 qdev_init_nofail(dev);
324 s = SYS_BUS_DEVICE(dev);
325 sysbus_mmio_map(s, 0, CFG_ADDR);
326 sysbus_mmio_map(s, 1, CFG_ADDR + 2);
327
328 fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
329 fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)machine->smp.max_cpus);
330 fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
331 fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, ARCH_HEATHROW);
332 fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
333 fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
334 if (kernel_cmdline) {
335 fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
336 pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
337 } else {
338 fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
339 }
340 fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
341 fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
342 fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
343
344 fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
345 fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
346 fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
347
348 fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
349 if (kvm_enabled()) {
350 uint8_t *hypercall;
351
352 hypercall = g_malloc(16);
353 kvmppc_get_hypercall(env, hypercall, 16);
354 fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
355 fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
356 }
357 fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq);
358 /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
359 fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ);
360 fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ);
361
362 /* MacOS NDRV VGA driver */
363 filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, NDRV_VGA_FILENAME);
364 if (filename) {
365 gchar *ndrv_file;
366 gsize ndrv_size;
367
368 if (g_file_get_contents(filename, &ndrv_file, &ndrv_size, NULL)) {
369 fw_cfg_add_file(fw_cfg, "ndrv/qemu_vga.ndrv", ndrv_file, ndrv_size);
370 }
371 g_free(filename);
372 }
373
374 qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
375}
376
377/*
378 * Implementation of an interface to adjust firmware path
379 * for the bootindex property handling.
380 */
381static char *heathrow_fw_dev_path(FWPathProvider *p, BusState *bus,
382 DeviceState *dev)
383{
384 PCIDevice *pci;
385 IDEBus *ide_bus;
386 IDEState *ide_s;
387 MACIOIDEState *macio_ide;
388
389 if (!strcmp(object_get_typename(OBJECT(dev)), "macio-oldworld")) {
390 pci = PCI_DEVICE(dev);
391 return g_strdup_printf("mac-io@%x", PCI_SLOT(pci->devfn));
392 }
393
394 if (!strcmp(object_get_typename(OBJECT(dev)), "macio-ide")) {
395 macio_ide = MACIO_IDE(dev);
396 return g_strdup_printf("ata-3@%x", macio_ide->addr);
397 }
398
399 if (!strcmp(object_get_typename(OBJECT(dev)), "ide-drive")) {
400 ide_bus = IDE_BUS(qdev_get_parent_bus(dev));
401 ide_s = idebus_active_if(ide_bus);
402
403 if (ide_s->drive_kind == IDE_CD) {
404 return g_strdup("cdrom");
405 }
406
407 return g_strdup("disk");
408 }
409
410 if (!strcmp(object_get_typename(OBJECT(dev)), "ide-hd")) {
411 return g_strdup("disk");
412 }
413
414 if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
415 return g_strdup("cdrom");
416 }
417
418 if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
419 return g_strdup("disk");
420 }
421
422 return NULL;
423}
424
425static int heathrow_kvm_type(MachineState *machine, const char *arg)
426{
427 /* Always force PR KVM */
428 return 2;
429}
430
431static void heathrow_class_init(ObjectClass *oc, void *data)
432{
433 MachineClass *mc = MACHINE_CLASS(oc);
434 FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
435
436 mc->desc = "Heathrow based PowerMAC";
437 mc->init = ppc_heathrow_init;
438 mc->block_default_type = IF_IDE;
439 mc->max_cpus = MAX_CPUS;
440#ifndef TARGET_PPC64
441 mc->is_default = 1;
442#endif
443 /* TOFIX "cad" when Mac floppy is implemented */
444 mc->default_boot_order = "cd";
445 mc->kvm_type = heathrow_kvm_type;
446 mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("750_v3.1");
447 mc->default_display = "std";
448 mc->ignore_boot_device_suffixes = true;
449 fwc->get_dev_path = heathrow_fw_dev_path;
450}
451
452static const TypeInfo ppc_heathrow_machine_info = {
453 .name = MACHINE_TYPE_NAME("g3beige"),
454 .parent = TYPE_MACHINE,
455 .class_init = heathrow_class_init,
456 .interfaces = (InterfaceInfo[]) {
457 { TYPE_FW_PATH_PROVIDER },
458 { }
459 },
460};
461
462static void ppc_heathrow_register_types(void)
463{
464 type_register_static(&ppc_heathrow_machine_info);
465}
466
467type_init(ppc_heathrow_register_types);
468