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/datadir.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 "hw/boards.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/pci-host/grackle.h"
41 #include "hw/nvram/fw_cfg.h"
42 #include "hw/char/escc.h"
43 #include "hw/misc/macio/macio.h"
44 #include "hw/loader.h"
45 #include "hw/fw-path-provider.h"
47 #include "qemu/error-report.h"
48 #include "sysemu/kvm.h"
49 #include "sysemu/reset.h"
53 #define CFG_ADDR 0xf0000510
54 #define TBFREQ 16600000UL
55 #define CLOCKFREQ 266000000UL
56 #define BUSFREQ 66000000UL
58 #define NDRV_VGA_FILENAME "qemu_vga.ndrv"
60 #define PROM_FILENAME "openbios-ppc"
61 #define PROM_BASE 0xffc00000
62 #define PROM_SIZE (4 * MiB)
64 #define KERNEL_LOAD_ADDR 0x01000000
65 #define KERNEL_GAP 0x00100000
67 #define GRACKLE_BASE 0xfec00000
69 static void fw_cfg_boot_set(void *opaque
, const char *boot_device
,
72 fw_cfg_modify_i16(opaque
, FW_CFG_BOOT_DEVICE
, boot_device
[0]);
75 static uint64_t translate_kernel_address(void *opaque
, uint64_t addr
)
77 return (addr
& 0x0fffffff) + KERNEL_LOAD_ADDR
;
80 static void ppc_heathrow_reset(void *opaque
)
82 PowerPCCPU
*cpu
= opaque
;
87 static void ppc_heathrow_init(MachineState
*machine
)
89 const char *bios_name
= machine
->firmware
?: PROM_FILENAME
;
90 MachineClass
*mc
= MACHINE_GET_CLASS(machine
);
91 PowerPCCPU
*cpu
= NULL
;
92 CPUPPCState
*env
= NULL
;
94 int i
, bios_size
= -1;
95 MemoryRegion
*bios
= g_new(MemoryRegion
, 1);
97 uint32_t kernel_base
= 0, initrd_base
= 0, cmdline_base
= 0;
98 int32_t kernel_size
= 0, initrd_size
= 0;
101 MACIOIDEState
*macio_ide
;
103 DeviceState
*dev
, *pic_dev
, *grackle_dev
;
105 uint16_t ppc_boot_device
;
106 DriveInfo
*dinfo
, *hd
[MAX_IDE_BUS
* MAX_IDE_DEVS
];
108 uint64_t tbfreq
= kvm_enabled() ? kvmppc_get_tbfreq() : TBFREQ
;
111 for (i
= 0; i
< machine
->smp
.cpus
; i
++) {
112 cpu
= POWERPC_CPU(cpu_create(machine
->cpu_type
));
115 /* Set time-base frequency to 16.6 Mhz */
116 cpu_ppc_tb_init(env
, TBFREQ
);
117 qemu_register_reset(ppc_heathrow_reset
, cpu
);
121 if (machine
->ram_size
> 2047 * MiB
) {
122 error_report("Too much memory for this machine: %" PRId64
" MB, "
123 "maximum 2047 MB", machine
->ram_size
/ MiB
);
127 memory_region_add_subregion(get_system_memory(), 0, machine
->ram
);
129 /* allocate and load firmware ROM */
130 memory_region_init_rom(bios
, NULL
, "ppc_heathrow.bios", PROM_SIZE
,
132 memory_region_add_subregion(get_system_memory(), PROM_BASE
, bios
);
134 filename
= qemu_find_file(QEMU_FILE_TYPE_BIOS
, bios_name
);
136 /* Load OpenBIOS (ELF) */
137 bios_size
= load_elf(filename
, NULL
, NULL
, NULL
, NULL
, &bios_addr
,
138 NULL
, NULL
, 1, PPC_ELF_MACHINE
, 0, 0);
139 /* Unfortunately, load_elf sign-extends reading elf32 */
140 bios_addr
= (uint32_t)bios_addr
;
142 if (bios_size
<= 0) {
143 /* or if could not load ELF try loading a binary ROM image */
144 bios_size
= load_image_targphys(filename
, PROM_BASE
, PROM_SIZE
);
145 bios_addr
= PROM_BASE
;
149 if (bios_size
< 0 || bios_addr
- PROM_BASE
+ bios_size
> PROM_SIZE
) {
150 error_report("could not load PowerPC bios '%s'", bios_name
);
154 if (machine
->kernel_filename
) {
155 int bswap_needed
= 0;
160 kernel_base
= KERNEL_LOAD_ADDR
;
161 kernel_size
= load_elf(machine
->kernel_filename
, NULL
,
162 translate_kernel_address
, NULL
, NULL
, NULL
,
163 NULL
, NULL
, 1, PPC_ELF_MACHINE
, 0, 0);
164 if (kernel_size
< 0) {
165 kernel_size
= load_aout(machine
->kernel_filename
, kernel_base
,
166 machine
->ram_size
- kernel_base
,
167 bswap_needed
, TARGET_PAGE_SIZE
);
169 if (kernel_size
< 0) {
170 kernel_size
= load_image_targphys(machine
->kernel_filename
,
172 machine
->ram_size
- kernel_base
);
174 if (kernel_size
< 0) {
175 error_report("could not load kernel '%s'",
176 machine
->kernel_filename
);
180 if (machine
->initrd_filename
) {
181 initrd_base
= TARGET_PAGE_ALIGN(kernel_base
+ kernel_size
+
183 initrd_size
= load_image_targphys(machine
->initrd_filename
,
185 machine
->ram_size
- initrd_base
);
186 if (initrd_size
< 0) {
187 error_report("could not load initial ram disk '%s'",
188 machine
->initrd_filename
);
191 cmdline_base
= TARGET_PAGE_ALIGN(initrd_base
+ initrd_size
);
193 cmdline_base
= TARGET_PAGE_ALIGN(kernel_base
+ kernel_size
+ KERNEL_GAP
);
195 ppc_boot_device
= 'm';
197 ppc_boot_device
= '\0';
198 for (i
= 0; machine
->boot_config
.order
[i
] != '\0'; i
++) {
200 * TOFIX: for now, the second IDE channel is not properly
201 * used by OHW. The Mac floppy disk are not emulated.
202 * For now, OHW cannot boot from the network.
205 if (machine
->boot_config
.order
[i
] >= 'a' &&
206 machine
->boot_config
.order
[i
] <= 'f') {
207 ppc_boot_device
= machine
->boot_config
.order
[i
];
211 if (machine
->boot_config
.order
[i
] >= 'c' &&
212 machine
->boot_config
.order
[i
] <= 'd') {
213 ppc_boot_device
= machine
->boot_config
.order
[i
];
218 if (ppc_boot_device
== '\0') {
219 error_report("No valid boot device for G3 Beige machine");
224 /* Grackle PCI host bridge */
225 grackle_dev
= qdev_new(TYPE_GRACKLE_PCI_HOST_BRIDGE
);
226 qdev_prop_set_uint32(grackle_dev
, "ofw-addr", 0x80000000);
227 s
= SYS_BUS_DEVICE(grackle_dev
);
228 sysbus_realize_and_unref(s
, &error_fatal
);
230 sysbus_mmio_map(s
, 0, GRACKLE_BASE
);
231 sysbus_mmio_map(s
, 1, GRACKLE_BASE
+ 0x200000);
233 memory_region_add_subregion(get_system_memory(), 0x80000000ULL
,
234 sysbus_mmio_get_region(s
, 2));
235 /* Register 2 MB of ISA IO space */
236 memory_region_add_subregion(get_system_memory(), 0xfe000000,
237 sysbus_mmio_get_region(s
, 3));
239 pci_bus
= PCI_HOST_BRIDGE(grackle_dev
)->bus
;
242 macio
= OBJECT(pci_new(PCI_DEVFN(16, 0), TYPE_OLDWORLD_MACIO
));
243 qdev_prop_set_uint64(DEVICE(macio
), "frequency", tbfreq
);
245 dev
= DEVICE(object_resolve_path_component(macio
, "escc"));
246 qdev_prop_set_chr(dev
, "chrA", serial_hd(0));
247 qdev_prop_set_chr(dev
, "chrB", serial_hd(1));
249 dinfo
= drive_get(IF_MTD
, 0, 0);
251 dev
= DEVICE(object_resolve_path_component(macio
, "nvram"));
252 qdev_prop_set_drive(dev
, "drive", blk_by_legacy_dinfo(dinfo
));
255 pci_realize_and_unref(PCI_DEVICE(macio
), pci_bus
, &error_fatal
);
257 pic_dev
= DEVICE(object_resolve_path_component(macio
, "pic"));
258 for (i
= 0; i
< 4; i
++) {
259 qdev_connect_gpio_out(grackle_dev
, i
,
260 qdev_get_gpio_in(pic_dev
, 0x15 + i
));
263 /* Connect the heathrow PIC outputs to the 6xx bus */
264 for (i
= 0; i
< machine
->smp
.cpus
; i
++) {
265 switch (PPC_INPUT(env
)) {
266 case PPC_FLAGS_INPUT_6xx
:
267 /* XXX: we register only 1 output pin for heathrow PIC */
268 qdev_connect_gpio_out(pic_dev
, 0,
269 qdev_get_gpio_in(DEVICE(cpu
), PPC6xx_INPUT_INT
));
272 error_report("Bus model not supported on OldWorld Mac machine");
277 pci_vga_init(pci_bus
);
279 for (i
= 0; i
< nb_nics
; i
++) {
280 pci_nic_init_nofail(&nd_table
[i
], pci_bus
, mc
->default_nic
, NULL
);
284 ide_drive_get(hd
, ARRAY_SIZE(hd
));
285 macio_ide
= MACIO_IDE(object_resolve_path_component(macio
, "ide[0]"));
286 macio_ide_init_drives(macio_ide
, hd
);
288 macio_ide
= MACIO_IDE(object_resolve_path_component(macio
, "ide[1]"));
289 macio_ide_init_drives(macio_ide
, &hd
[MAX_IDE_DEVS
]);
292 dev
= DEVICE(object_resolve_path_component(macio
, "cuda"));
293 adb_bus
= qdev_get_child_bus(dev
, "adb.0");
294 dev
= qdev_new(TYPE_ADB_KEYBOARD
);
295 qdev_realize_and_unref(dev
, adb_bus
, &error_fatal
);
296 dev
= qdev_new(TYPE_ADB_MOUSE
);
297 qdev_realize_and_unref(dev
, adb_bus
, &error_fatal
);
299 if (machine_usb(machine
)) {
300 pci_create_simple(pci_bus
, -1, "pci-ohci");
303 if (graphic_depth
!= 15 && graphic_depth
!= 32 && graphic_depth
!= 8) {
307 /* No PCI init: the BIOS will do it */
309 dev
= qdev_new(TYPE_FW_CFG_MEM
);
310 fw_cfg
= FW_CFG(dev
);
311 qdev_prop_set_uint32(dev
, "data_width", 1);
312 qdev_prop_set_bit(dev
, "dma_enabled", false);
313 object_property_add_child(OBJECT(machine
), TYPE_FW_CFG
, OBJECT(fw_cfg
));
314 s
= SYS_BUS_DEVICE(dev
);
315 sysbus_realize_and_unref(s
, &error_fatal
);
316 sysbus_mmio_map(s
, 0, CFG_ADDR
);
317 sysbus_mmio_map(s
, 1, CFG_ADDR
+ 2);
319 fw_cfg_add_i16(fw_cfg
, FW_CFG_NB_CPUS
, (uint16_t)machine
->smp
.cpus
);
320 fw_cfg_add_i16(fw_cfg
, FW_CFG_MAX_CPUS
, (uint16_t)machine
->smp
.max_cpus
);
321 fw_cfg_add_i64(fw_cfg
, FW_CFG_RAM_SIZE
, (uint64_t)machine
->ram_size
);
322 fw_cfg_add_i16(fw_cfg
, FW_CFG_MACHINE_ID
, ARCH_HEATHROW
);
323 fw_cfg_add_i32(fw_cfg
, FW_CFG_KERNEL_ADDR
, kernel_base
);
324 fw_cfg_add_i32(fw_cfg
, FW_CFG_KERNEL_SIZE
, kernel_size
);
325 if (machine
->kernel_cmdline
) {
326 fw_cfg_add_i32(fw_cfg
, FW_CFG_KERNEL_CMDLINE
, cmdline_base
);
327 pstrcpy_targphys("cmdline", cmdline_base
, TARGET_PAGE_SIZE
,
328 machine
->kernel_cmdline
);
330 fw_cfg_add_i32(fw_cfg
, FW_CFG_KERNEL_CMDLINE
, 0);
332 fw_cfg_add_i32(fw_cfg
, FW_CFG_INITRD_ADDR
, initrd_base
);
333 fw_cfg_add_i32(fw_cfg
, FW_CFG_INITRD_SIZE
, initrd_size
);
334 fw_cfg_add_i16(fw_cfg
, FW_CFG_BOOT_DEVICE
, ppc_boot_device
);
336 fw_cfg_add_i16(fw_cfg
, FW_CFG_PPC_WIDTH
, graphic_width
);
337 fw_cfg_add_i16(fw_cfg
, FW_CFG_PPC_HEIGHT
, graphic_height
);
338 fw_cfg_add_i16(fw_cfg
, FW_CFG_PPC_DEPTH
, graphic_depth
);
340 fw_cfg_add_i32(fw_cfg
, FW_CFG_PPC_IS_KVM
, kvm_enabled());
344 hypercall
= g_malloc(16);
345 kvmppc_get_hypercall(env
, hypercall
, 16);
346 fw_cfg_add_bytes(fw_cfg
, FW_CFG_PPC_KVM_HC
, hypercall
, 16);
347 fw_cfg_add_i32(fw_cfg
, FW_CFG_PPC_KVM_PID
, getpid());
349 fw_cfg_add_i32(fw_cfg
, FW_CFG_PPC_TBFREQ
, tbfreq
);
350 /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
351 fw_cfg_add_i32(fw_cfg
, FW_CFG_PPC_CLOCKFREQ
, CLOCKFREQ
);
352 fw_cfg_add_i32(fw_cfg
, FW_CFG_PPC_BUSFREQ
, BUSFREQ
);
354 /* MacOS NDRV VGA driver */
355 filename
= qemu_find_file(QEMU_FILE_TYPE_BIOS
, NDRV_VGA_FILENAME
);
360 if (g_file_get_contents(filename
, &ndrv_file
, &ndrv_size
, NULL
)) {
361 fw_cfg_add_file(fw_cfg
, "ndrv/qemu_vga.ndrv", ndrv_file
, ndrv_size
);
366 qemu_register_boot_set(fw_cfg_boot_set
, fw_cfg
);
370 * Implementation of an interface to adjust firmware path
371 * for the bootindex property handling.
373 static char *heathrow_fw_dev_path(FWPathProvider
*p
, BusState
*bus
,
377 MACIOIDEState
*macio_ide
;
379 if (!strcmp(object_get_typename(OBJECT(dev
)), "macio-oldworld")) {
380 pci
= PCI_DEVICE(dev
);
381 return g_strdup_printf("mac-io@%x", PCI_SLOT(pci
->devfn
));
384 if (!strcmp(object_get_typename(OBJECT(dev
)), "macio-ide")) {
385 macio_ide
= MACIO_IDE(dev
);
386 return g_strdup_printf("ata-3@%x", macio_ide
->addr
);
389 if (!strcmp(object_get_typename(OBJECT(dev
)), "ide-hd")) {
390 return g_strdup("disk");
393 if (!strcmp(object_get_typename(OBJECT(dev
)), "ide-cd")) {
394 return g_strdup("cdrom");
397 if (!strcmp(object_get_typename(OBJECT(dev
)), "virtio-blk-device")) {
398 return g_strdup("disk");
404 static int heathrow_kvm_type(MachineState
*machine
, const char *arg
)
406 /* Always force PR KVM */
410 static void heathrow_class_init(ObjectClass
*oc
, void *data
)
412 MachineClass
*mc
= MACHINE_CLASS(oc
);
413 FWPathProviderClass
*fwc
= FW_PATH_PROVIDER_CLASS(oc
);
415 mc
->desc
= "Heathrow based PowerMAC";
416 mc
->init
= ppc_heathrow_init
;
417 mc
->block_default_type
= IF_IDE
;
418 /* SMP is not supported currently */
421 mc
->is_default
= true;
423 /* TOFIX "cad" when Mac floppy is implemented */
424 mc
->default_boot_order
= "cd";
425 mc
->kvm_type
= heathrow_kvm_type
;
426 mc
->default_cpu_type
= POWERPC_CPU_TYPE_NAME("750_v3.1");
427 mc
->default_display
= "std";
428 mc
->default_nic
= "ne2k_pci";
429 mc
->ignore_boot_device_suffixes
= true;
430 mc
->default_ram_id
= "ppc_heathrow.ram";
431 fwc
->get_dev_path
= heathrow_fw_dev_path
;
434 static const TypeInfo ppc_heathrow_machine_info
= {
435 .name
= MACHINE_TYPE_NAME("g3beige"),
436 .parent
= TYPE_MACHINE
,
437 .class_init
= heathrow_class_init
,
438 .interfaces
= (InterfaceInfo
[]) {
439 { TYPE_FW_PATH_PROVIDER
},
444 static void ppc_heathrow_register_types(void)
446 type_register_static(&ppc_heathrow_machine_info
);
449 type_init(ppc_heathrow_register_types
);