3 * QEMU OldWorld PowerMac (currently ~G3 Beige) hardware System Emulator
5 * Copyright (c) 2004-2007 Fabrice Bellard
6 * Copyright (c) 2007 Jocelyn Mayer
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:
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
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
27 #include "qemu/osdep.h"
28 #include "qemu-common.h"
29 #include "qemu/units.h"
30 #include "qapi/error.h"
32 #include "hw/ppc/ppc.h"
34 #include "hw/input/adb.h"
35 #include "sysemu/sysemu.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"
45 #include "hw/loader.h"
46 #include "hw/fw-path-provider.h"
48 #include "qemu/error-report.h"
49 #include "sysemu/kvm.h"
51 #include "exec/address-spaces.h"
54 #define CFG_ADDR 0xf0000510
55 #define TBFREQ 16600000UL
56 #define CLOCKFREQ 266000000UL
57 #define BUSFREQ 66000000UL
59 #define NDRV_VGA_FILENAME "qemu_vga.ndrv"
61 #define GRACKLE_BASE 0xfec00000
63 static void fw_cfg_boot_set(void *opaque
, const char *boot_device
,
66 fw_cfg_modify_i16(opaque
, FW_CFG_BOOT_DEVICE
, boot_device
[0]);
69 static uint64_t translate_kernel_address(void *opaque
, uint64_t addr
)
71 return (addr
& 0x0fffffff) + KERNEL_LOAD_ADDR
;
74 static void ppc_heathrow_reset(void *opaque
)
76 PowerPCCPU
*cpu
= opaque
;
81 static void ppc_heathrow_init(MachineState
*machine
)
83 ram_addr_t ram_size
= machine
->ram_size
;
84 const char *kernel_filename
= machine
->kernel_filename
;
85 const char *kernel_cmdline
= machine
->kernel_cmdline
;
86 const char *initrd_filename
= machine
->initrd_filename
;
87 const char *boot_device
= machine
->boot_order
;
88 MemoryRegion
*sysmem
= get_system_memory();
89 PowerPCCPU
*cpu
= NULL
;
90 CPUPPCState
*env
= NULL
;
93 MemoryRegion
*ram
= g_new(MemoryRegion
, 1);
94 MemoryRegion
*bios
= g_new(MemoryRegion
, 1);
95 uint32_t kernel_base
, initrd_base
, cmdline_base
= 0;
96 int32_t kernel_size
, initrd_size
;
98 OldWorldMacIOState
*macio
;
99 MACIOIDEState
*macio_ide
;
101 DeviceState
*dev
, *pic_dev
;
104 uint16_t ppc_boot_device
;
105 DriveInfo
*hd
[MAX_IDE_BUS
* MAX_IDE_DEVS
];
109 linux_boot
= (kernel_filename
!= NULL
);
112 for (i
= 0; i
< smp_cpus
; i
++) {
113 cpu
= POWERPC_CPU(cpu_create(machine
->cpu_type
));
116 /* Set time-base frequency to 16.6 Mhz */
117 cpu_ppc_tb_init(env
, TBFREQ
);
118 qemu_register_reset(ppc_heathrow_reset
, cpu
);
122 if (ram_size
> 2047 * MiB
) {
123 error_report("Too much memory for this machine: %" PRId64
" MB, "
124 "maximum 2047 MB", ram_size
/ MiB
);
128 memory_region_allocate_system_memory(ram
, NULL
, "ppc_heathrow.ram",
130 memory_region_add_subregion(sysmem
, 0, ram
);
132 /* allocate and load BIOS */
133 memory_region_init_ram(bios
, NULL
, "ppc_heathrow.bios", BIOS_SIZE
,
136 if (bios_name
== NULL
)
137 bios_name
= PROM_FILENAME
;
138 filename
= qemu_find_file(QEMU_FILE_TYPE_BIOS
, bios_name
);
139 memory_region_set_readonly(bios
, true);
140 memory_region_add_subregion(sysmem
, PROM_ADDR
, bios
);
142 /* Load OpenBIOS (ELF) */
144 bios_size
= load_elf(filename
, NULL
, 0, NULL
, NULL
, NULL
, NULL
,
145 1, PPC_ELF_MACHINE
, 0, 0);
150 if (bios_size
< 0 || bios_size
> BIOS_SIZE
) {
151 error_report("could not load PowerPC bios '%s'", bios_name
);
156 uint64_t lowaddr
= 0;
164 kernel_base
= KERNEL_LOAD_ADDR
;
165 kernel_size
= load_elf(kernel_filename
, NULL
,
166 translate_kernel_address
, NULL
,
167 NULL
, &lowaddr
, NULL
, 1, PPC_ELF_MACHINE
,
170 kernel_size
= load_aout(kernel_filename
, kernel_base
,
171 ram_size
- kernel_base
, bswap_needed
,
174 kernel_size
= load_image_targphys(kernel_filename
,
176 ram_size
- kernel_base
);
177 if (kernel_size
< 0) {
178 error_report("could not load kernel '%s'", kernel_filename
);
182 if (initrd_filename
) {
183 initrd_base
= TARGET_PAGE_ALIGN(kernel_base
+ kernel_size
+ KERNEL_GAP
);
184 initrd_size
= load_image_targphys(initrd_filename
, initrd_base
,
185 ram_size
- initrd_base
);
186 if (initrd_size
< 0) {
187 error_report("could not load initial ram disk '%s'",
191 cmdline_base
= TARGET_PAGE_ALIGN(initrd_base
+ initrd_size
);
195 cmdline_base
= TARGET_PAGE_ALIGN(kernel_base
+ kernel_size
+ KERNEL_GAP
);
197 ppc_boot_device
= 'm';
203 ppc_boot_device
= '\0';
204 for (i
= 0; boot_device
[i
] != '\0'; i
++) {
205 /* TOFIX: for now, the second IDE channel is not properly
206 * used by OHW. The Mac floppy disk are not emulated.
207 * For now, OHW cannot boot from the network.
210 if (boot_device
[i
] >= 'a' && boot_device
[i
] <= 'f') {
211 ppc_boot_device
= boot_device
[i
];
215 if (boot_device
[i
] >= 'c' && boot_device
[i
] <= 'd') {
216 ppc_boot_device
= boot_device
[i
];
221 if (ppc_boot_device
== '\0') {
222 error_report("No valid boot device for G3 Beige machine");
227 /* XXX: we register only 1 output pin for heathrow PIC */
228 pic_dev
= qdev_create(NULL
, TYPE_HEATHROW
);
229 qdev_init_nofail(pic_dev
);
231 /* Connect the heathrow PIC outputs to the 6xx bus */
232 for (i
= 0; i
< smp_cpus
; i
++) {
233 switch (PPC_INPUT(env
)) {
234 case PPC_FLAGS_INPUT_6xx
:
235 qdev_connect_gpio_out(pic_dev
, 0,
236 ((qemu_irq
*)env
->irq_inputs
)[PPC6xx_INPUT_INT
]);
239 error_report("Bus model not supported on OldWorld Mac machine");
244 /* Timebase Frequency */
246 tbfreq
= kvmppc_get_tbfreq();
251 /* init basic PC hardware */
252 if (PPC_INPUT(env
) != PPC_FLAGS_INPUT_6xx
) {
253 error_report("Only 6xx bus is supported on heathrow machine");
257 /* Grackle PCI host bridge */
258 dev
= qdev_create(NULL
, TYPE_GRACKLE_PCI_HOST_BRIDGE
);
259 qdev_prop_set_uint32(dev
, "ofw-addr", 0x80000000);
260 object_property_set_link(OBJECT(dev
), OBJECT(pic_dev
), "pic",
262 qdev_init_nofail(dev
);
263 s
= SYS_BUS_DEVICE(dev
);
264 sysbus_mmio_map(s
, 0, GRACKLE_BASE
);
265 sysbus_mmio_map(s
, 1, GRACKLE_BASE
+ 0x200000);
267 memory_region_add_subregion(get_system_memory(), 0x80000000ULL
,
268 sysbus_mmio_get_region(s
, 2));
269 /* Register 2 MB of ISA IO space */
270 memory_region_add_subregion(get_system_memory(), 0xfe000000,
271 sysbus_mmio_get_region(s
, 3));
273 pci_bus
= PCI_HOST_BRIDGE(dev
)->bus
;
275 pci_vga_init(pci_bus
);
277 for (i
= 0; i
< nb_nics
; i
++) {
278 pci_nic_init_nofail(&nd_table
[i
], pci_bus
, "ne2k_pci", NULL
);
281 ide_drive_get(hd
, ARRAY_SIZE(hd
));
284 macio
= OLDWORLD_MACIO(pci_create(pci_bus
, -1, TYPE_OLDWORLD_MACIO
));
286 qdev_prop_set_uint64(dev
, "frequency", tbfreq
);
287 object_property_set_link(OBJECT(macio
), OBJECT(pic_dev
), "pic",
289 qdev_init_nofail(dev
);
291 macio_ide
= MACIO_IDE(object_resolve_path_component(OBJECT(macio
),
293 macio_ide_init_drives(macio_ide
, hd
);
295 macio_ide
= MACIO_IDE(object_resolve_path_component(OBJECT(macio
),
297 macio_ide_init_drives(macio_ide
, &hd
[MAX_IDE_DEVS
]);
299 dev
= DEVICE(object_resolve_path_component(OBJECT(macio
), "cuda"));
300 adb_bus
= qdev_get_child_bus(dev
, "adb.0");
301 dev
= qdev_create(adb_bus
, TYPE_ADB_KEYBOARD
);
302 qdev_init_nofail(dev
);
303 dev
= qdev_create(adb_bus
, TYPE_ADB_MOUSE
);
304 qdev_init_nofail(dev
);
306 if (machine_usb(machine
)) {
307 pci_create_simple(pci_bus
, -1, "pci-ohci");
310 if (graphic_depth
!= 15 && graphic_depth
!= 32 && graphic_depth
!= 8)
313 /* No PCI init: the BIOS will do it */
315 dev
= qdev_create(NULL
, TYPE_FW_CFG_MEM
);
316 fw_cfg
= FW_CFG(dev
);
317 qdev_prop_set_uint32(dev
, "data_width", 1);
318 qdev_prop_set_bit(dev
, "dma_enabled", false);
319 object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG
,
320 OBJECT(fw_cfg
), NULL
);
321 qdev_init_nofail(dev
);
322 s
= SYS_BUS_DEVICE(dev
);
323 sysbus_mmio_map(s
, 0, CFG_ADDR
);
324 sysbus_mmio_map(s
, 1, CFG_ADDR
+ 2);
326 fw_cfg_add_i16(fw_cfg
, FW_CFG_NB_CPUS
, (uint16_t)smp_cpus
);
327 fw_cfg_add_i16(fw_cfg
, FW_CFG_MAX_CPUS
, (uint16_t)max_cpus
);
328 fw_cfg_add_i64(fw_cfg
, FW_CFG_RAM_SIZE
, (uint64_t)ram_size
);
329 fw_cfg_add_i16(fw_cfg
, FW_CFG_MACHINE_ID
, ARCH_HEATHROW
);
330 fw_cfg_add_i32(fw_cfg
, FW_CFG_KERNEL_ADDR
, kernel_base
);
331 fw_cfg_add_i32(fw_cfg
, FW_CFG_KERNEL_SIZE
, kernel_size
);
332 if (kernel_cmdline
) {
333 fw_cfg_add_i32(fw_cfg
, FW_CFG_KERNEL_CMDLINE
, cmdline_base
);
334 pstrcpy_targphys("cmdline", cmdline_base
, TARGET_PAGE_SIZE
, kernel_cmdline
);
336 fw_cfg_add_i32(fw_cfg
, FW_CFG_KERNEL_CMDLINE
, 0);
338 fw_cfg_add_i32(fw_cfg
, FW_CFG_INITRD_ADDR
, initrd_base
);
339 fw_cfg_add_i32(fw_cfg
, FW_CFG_INITRD_SIZE
, initrd_size
);
340 fw_cfg_add_i16(fw_cfg
, FW_CFG_BOOT_DEVICE
, ppc_boot_device
);
342 fw_cfg_add_i16(fw_cfg
, FW_CFG_PPC_WIDTH
, graphic_width
);
343 fw_cfg_add_i16(fw_cfg
, FW_CFG_PPC_HEIGHT
, graphic_height
);
344 fw_cfg_add_i16(fw_cfg
, FW_CFG_PPC_DEPTH
, graphic_depth
);
346 fw_cfg_add_i32(fw_cfg
, FW_CFG_PPC_IS_KVM
, kvm_enabled());
351 hypercall
= g_malloc(16);
352 kvmppc_get_hypercall(env
, hypercall
, 16);
353 fw_cfg_add_bytes(fw_cfg
, FW_CFG_PPC_KVM_HC
, hypercall
, 16);
354 fw_cfg_add_i32(fw_cfg
, FW_CFG_PPC_KVM_PID
, getpid());
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
);
362 /* MacOS NDRV VGA driver */
363 filename
= qemu_find_file(QEMU_FILE_TYPE_BIOS
, NDRV_VGA_FILENAME
);
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
);
374 qemu_register_boot_set(fw_cfg_boot_set
, fw_cfg
);
378 * Implementation of an interface to adjust firmware path
379 * for the bootindex property handling.
381 static char *heathrow_fw_dev_path(FWPathProvider
*p
, BusState
*bus
,
387 MACIOIDEState
*macio_ide
;
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
));
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
);
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
);
403 if (ide_s
->drive_kind
== IDE_CD
) {
404 return g_strdup("cdrom");
407 return g_strdup("disk");
410 if (!strcmp(object_get_typename(OBJECT(dev
)), "ide-hd")) {
411 return g_strdup("disk");
414 if (!strcmp(object_get_typename(OBJECT(dev
)), "ide-cd")) {
415 return g_strdup("cdrom");
418 if (!strcmp(object_get_typename(OBJECT(dev
)), "virtio-blk-device")) {
419 return g_strdup("disk");
425 static int heathrow_kvm_type(MachineState
*machine
, const char *arg
)
427 /* Always force PR KVM */
431 static void heathrow_class_init(ObjectClass
*oc
, void *data
)
433 MachineClass
*mc
= MACHINE_CLASS(oc
);
434 FWPathProviderClass
*fwc
= FW_PATH_PROVIDER_CLASS(oc
);
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
;
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
;
452 static 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
},
462 static void ppc_heathrow_register_types(void)
464 type_register_static(&ppc_heathrow_machine_info
);
467 type_init(ppc_heathrow_register_types
);