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
26 #include "qemu/osdep.h"
27 #include "qapi/error.h"
29 #include "hw/ppc/ppc.h"
31 #include "hw/input/adb.h"
32 #include "hw/timer/m48t59.h"
33 #include "sysemu/sysemu.h"
35 #include "hw/isa/isa.h"
36 #include "hw/pci/pci.h"
37 #include "hw/pci/pci_host.h"
38 #include "hw/boards.h"
39 #include "hw/nvram/fw_cfg.h"
40 #include "hw/char/escc.h"
41 #include "hw/misc/macio/macio.h"
43 #include "hw/loader.h"
45 #include "qemu/error-report.h"
46 #include "sysemu/kvm.h"
48 #include "exec/address-spaces.h"
49 #include "qemu/cutils.h"
52 #define CFG_ADDR 0xf0000510
53 #define TBFREQ 16600000UL
54 #define CLOCKFREQ 266000000UL
55 #define BUSFREQ 66000000UL
57 #define NDRV_VGA_FILENAME "qemu_vga.ndrv"
59 #define GRACKLE_BASE 0xfec00000
61 static void fw_cfg_boot_set(void *opaque
, const char *boot_device
,
64 fw_cfg_modify_i16(opaque
, FW_CFG_BOOT_DEVICE
, boot_device
[0]);
67 static uint64_t translate_kernel_address(void *opaque
, uint64_t addr
)
69 return (addr
& 0x0fffffff) + KERNEL_LOAD_ADDR
;
72 static void ppc_heathrow_reset(void *opaque
)
74 PowerPCCPU
*cpu
= opaque
;
79 static void ppc_heathrow_init(MachineState
*machine
)
81 ram_addr_t ram_size
= machine
->ram_size
;
82 const char *kernel_filename
= machine
->kernel_filename
;
83 const char *kernel_cmdline
= machine
->kernel_cmdline
;
84 const char *initrd_filename
= machine
->initrd_filename
;
85 const char *boot_device
= machine
->boot_order
;
86 MemoryRegion
*sysmem
= get_system_memory();
87 PowerPCCPU
*cpu
= NULL
;
88 CPUPPCState
*env
= NULL
;
91 MemoryRegion
*ram
= g_new(MemoryRegion
, 1);
92 MemoryRegion
*bios
= g_new(MemoryRegion
, 1);
93 uint32_t kernel_base
, initrd_base
, cmdline_base
= 0;
94 int32_t kernel_size
, initrd_size
;
96 OldWorldMacIOState
*macio
;
97 MACIOIDEState
*macio_ide
;
99 DeviceState
*dev
, *pic_dev
;
101 int bios_size
, ndrv_size
;
103 uint16_t ppc_boot_device
;
104 DriveInfo
*hd
[MAX_IDE_BUS
* MAX_IDE_DEVS
];
108 linux_boot
= (kernel_filename
!= NULL
);
111 for (i
= 0; i
< 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 (ram_size
> (2047 << 20)) {
123 "qemu: Too much memory for this machine: %d MB, maximum 2047 MB\n",
124 ((unsigned int)ram_size
/ (1 << 20)));
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
, 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
, translate_kernel_address
, NULL
,
166 NULL
, &lowaddr
, NULL
, 1, PPC_ELF_MACHINE
,
169 kernel_size
= load_aout(kernel_filename
, kernel_base
,
170 ram_size
- kernel_base
, bswap_needed
,
173 kernel_size
= load_image_targphys(kernel_filename
,
175 ram_size
- kernel_base
);
176 if (kernel_size
< 0) {
177 error_report("could not load kernel '%s'", kernel_filename
);
181 if (initrd_filename
) {
182 initrd_base
= TARGET_PAGE_ALIGN(kernel_base
+ kernel_size
+ KERNEL_GAP
);
183 initrd_size
= load_image_targphys(initrd_filename
, initrd_base
,
184 ram_size
- initrd_base
);
185 if (initrd_size
< 0) {
186 error_report("could not load initial ram disk '%s'",
190 cmdline_base
= TARGET_PAGE_ALIGN(initrd_base
+ initrd_size
);
194 cmdline_base
= TARGET_PAGE_ALIGN(kernel_base
+ kernel_size
+ KERNEL_GAP
);
196 ppc_boot_device
= 'm';
202 ppc_boot_device
= '\0';
203 for (i
= 0; boot_device
[i
] != '\0'; i
++) {
204 /* TOFIX: for now, the second IDE channel is not properly
205 * used by OHW. The Mac floppy disk are not emulated.
206 * For now, OHW cannot boot from the network.
209 if (boot_device
[i
] >= 'a' && boot_device
[i
] <= 'f') {
210 ppc_boot_device
= boot_device
[i
];
214 if (boot_device
[i
] >= 'c' && boot_device
[i
] <= 'd') {
215 ppc_boot_device
= boot_device
[i
];
220 if (ppc_boot_device
== '\0') {
221 error_report("No valid boot device for G3 Beige machine");
226 /* XXX: we register only 1 output pin for heathrow PIC */
227 pic_dev
= qdev_create(NULL
, TYPE_HEATHROW
);
228 qdev_init_nofail(pic_dev
);
230 /* Connect the heathrow PIC outputs to the 6xx bus */
231 for (i
= 0; i
< smp_cpus
; i
++) {
232 switch (PPC_INPUT(env
)) {
233 case PPC_FLAGS_INPUT_6xx
:
234 qdev_connect_gpio_out(pic_dev
, 0,
235 ((qemu_irq
*)env
->irq_inputs
)[PPC6xx_INPUT_INT
]);
238 error_report("Bus model not supported on OldWorld Mac machine");
243 /* Timebase Frequency */
245 tbfreq
= kvmppc_get_tbfreq();
250 /* init basic PC hardware */
251 if (PPC_INPUT(env
) != PPC_FLAGS_INPUT_6xx
) {
252 error_report("Only 6xx bus is supported on heathrow machine");
256 /* Grackle PCI host bridge */
257 dev
= qdev_create(NULL
, TYPE_GRACKLE_PCI_HOST_BRIDGE
);
258 object_property_set_link(OBJECT(dev
), OBJECT(pic_dev
), "pic",
260 qdev_init_nofail(dev
);
261 s
= SYS_BUS_DEVICE(dev
);
262 sysbus_mmio_map(s
, 0, GRACKLE_BASE
);
263 sysbus_mmio_map(s
, 1, GRACKLE_BASE
+ 0x200000);
265 memory_region_add_subregion(get_system_memory(), 0x80000000ULL
,
266 sysbus_mmio_get_region(s
, 2));
267 /* Register 2 MB of ISA IO space */
268 memory_region_add_subregion(get_system_memory(), 0xfe000000,
269 sysbus_mmio_get_region(s
, 3));
271 pci_bus
= PCI_HOST_BRIDGE(dev
)->bus
;
273 pci_vga_init(pci_bus
);
275 for (i
= 0; i
< nb_nics
; i
++) {
276 pci_nic_init_nofail(&nd_table
[i
], pci_bus
, "ne2k_pci", NULL
);
279 ide_drive_get(hd
, ARRAY_SIZE(hd
));
282 macio
= OLDWORLD_MACIO(pci_create(pci_bus
, -1, TYPE_OLDWORLD_MACIO
));
284 qdev_prop_set_uint64(dev
, "frequency", tbfreq
);
285 object_property_set_link(OBJECT(macio
), OBJECT(pic_dev
), "pic",
287 qdev_init_nofail(dev
);
289 macio_ide
= MACIO_IDE(object_resolve_path_component(OBJECT(macio
),
291 macio_ide_init_drives(macio_ide
, hd
);
293 macio_ide
= MACIO_IDE(object_resolve_path_component(OBJECT(macio
),
295 macio_ide_init_drives(macio_ide
, &hd
[MAX_IDE_DEVS
]);
297 dev
= DEVICE(object_resolve_path_component(OBJECT(macio
), "cuda"));
298 adb_bus
= qdev_get_child_bus(dev
, "adb.0");
299 dev
= qdev_create(adb_bus
, TYPE_ADB_KEYBOARD
);
300 qdev_init_nofail(dev
);
301 dev
= qdev_create(adb_bus
, TYPE_ADB_MOUSE
);
302 qdev_init_nofail(dev
);
304 if (machine_usb(machine
)) {
305 pci_create_simple(pci_bus
, -1, "pci-ohci");
308 if (graphic_depth
!= 15 && graphic_depth
!= 32 && graphic_depth
!= 8)
311 /* No PCI init: the BIOS will do it */
313 fw_cfg
= fw_cfg_init_mem(CFG_ADDR
, CFG_ADDR
+ 2);
314 fw_cfg_add_i16(fw_cfg
, FW_CFG_NB_CPUS
, (uint16_t)smp_cpus
);
315 fw_cfg_add_i16(fw_cfg
, FW_CFG_MAX_CPUS
, (uint16_t)max_cpus
);
316 fw_cfg_add_i64(fw_cfg
, FW_CFG_RAM_SIZE
, (uint64_t)ram_size
);
317 fw_cfg_add_i16(fw_cfg
, FW_CFG_MACHINE_ID
, ARCH_HEATHROW
);
318 fw_cfg_add_i32(fw_cfg
, FW_CFG_KERNEL_ADDR
, kernel_base
);
319 fw_cfg_add_i32(fw_cfg
, FW_CFG_KERNEL_SIZE
, kernel_size
);
320 if (kernel_cmdline
) {
321 fw_cfg_add_i32(fw_cfg
, FW_CFG_KERNEL_CMDLINE
, cmdline_base
);
322 pstrcpy_targphys("cmdline", cmdline_base
, TARGET_PAGE_SIZE
, kernel_cmdline
);
324 fw_cfg_add_i32(fw_cfg
, FW_CFG_KERNEL_CMDLINE
, 0);
326 fw_cfg_add_i32(fw_cfg
, FW_CFG_INITRD_ADDR
, initrd_base
);
327 fw_cfg_add_i32(fw_cfg
, FW_CFG_INITRD_SIZE
, initrd_size
);
328 fw_cfg_add_i16(fw_cfg
, FW_CFG_BOOT_DEVICE
, ppc_boot_device
);
330 fw_cfg_add_i16(fw_cfg
, FW_CFG_PPC_WIDTH
, graphic_width
);
331 fw_cfg_add_i16(fw_cfg
, FW_CFG_PPC_HEIGHT
, graphic_height
);
332 fw_cfg_add_i16(fw_cfg
, FW_CFG_PPC_DEPTH
, graphic_depth
);
334 fw_cfg_add_i32(fw_cfg
, FW_CFG_PPC_IS_KVM
, kvm_enabled());
339 hypercall
= g_malloc(16);
340 kvmppc_get_hypercall(env
, hypercall
, 16);
341 fw_cfg_add_bytes(fw_cfg
, FW_CFG_PPC_KVM_HC
, hypercall
, 16);
342 fw_cfg_add_i32(fw_cfg
, FW_CFG_PPC_KVM_PID
, getpid());
345 fw_cfg_add_i32(fw_cfg
, FW_CFG_PPC_TBFREQ
, tbfreq
);
346 /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
347 fw_cfg_add_i32(fw_cfg
, FW_CFG_PPC_CLOCKFREQ
, CLOCKFREQ
);
348 fw_cfg_add_i32(fw_cfg
, FW_CFG_PPC_BUSFREQ
, BUSFREQ
);
350 /* MacOS NDRV VGA driver */
351 filename
= qemu_find_file(QEMU_FILE_TYPE_BIOS
, NDRV_VGA_FILENAME
);
353 ndrv_size
= get_image_size(filename
);
354 if (ndrv_size
!= -1) {
355 ndrv_file
= g_malloc(ndrv_size
);
356 ndrv_size
= load_image(filename
, ndrv_file
);
358 fw_cfg_add_file(fw_cfg
, "ndrv/qemu_vga.ndrv", ndrv_file
, ndrv_size
);
363 qemu_register_boot_set(fw_cfg_boot_set
, fw_cfg
);
366 static int heathrow_kvm_type(const char *arg
)
368 /* Always force PR KVM */
372 static void heathrow_class_init(ObjectClass
*oc
, void *data
)
374 MachineClass
*mc
= MACHINE_CLASS(oc
);
376 mc
->desc
= "Heathrow based PowerMAC";
377 mc
->init
= ppc_heathrow_init
;
378 mc
->block_default_type
= IF_IDE
;
379 mc
->max_cpus
= MAX_CPUS
;
383 /* TOFIX "cad" when Mac floppy is implemented */
384 mc
->default_boot_order
= "cd";
385 mc
->kvm_type
= heathrow_kvm_type
;
386 mc
->default_cpu_type
= POWERPC_CPU_TYPE_NAME("750_v3.1");
389 static const TypeInfo ppc_heathrow_machine_info
= {
390 .name
= MACHINE_TYPE_NAME("g3beige"),
391 .parent
= TYPE_MACHINE
,
392 .class_init
= heathrow_class_init
395 static void ppc_heathrow_register_types(void)
397 type_register_static(&ppc_heathrow_machine_info
);
400 type_init(ppc_heathrow_register_types
);