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/boards.h"
38 #include "hw/nvram/fw_cfg.h"
39 #include "hw/char/escc.h"
41 #include "hw/loader.h"
43 #include "qemu/error-report.h"
44 #include "sysemu/kvm.h"
46 #include "sysemu/block-backend.h"
47 #include "exec/address-spaces.h"
48 #include "qemu/cutils.h"
51 #define CFG_ADDR 0xf0000510
52 #define TBFREQ 16600000UL
53 #define CLOCKFREQ 266000000UL
54 #define BUSFREQ 66000000UL
56 #define NDRV_VGA_FILENAME "qemu_vga.ndrv"
58 static void fw_cfg_boot_set(void *opaque
, const char *boot_device
,
61 fw_cfg_modify_i16(opaque
, FW_CFG_BOOT_DEVICE
, boot_device
[0]);
64 static uint64_t translate_kernel_address(void *opaque
, uint64_t addr
)
66 return (addr
& 0x0fffffff) + KERNEL_LOAD_ADDR
;
69 static void ppc_heathrow_reset(void *opaque
)
71 PowerPCCPU
*cpu
= opaque
;
76 static void ppc_heathrow_init(MachineState
*machine
)
78 ram_addr_t ram_size
= machine
->ram_size
;
79 const char *kernel_filename
= machine
->kernel_filename
;
80 const char *kernel_cmdline
= machine
->kernel_cmdline
;
81 const char *initrd_filename
= machine
->initrd_filename
;
82 const char *boot_device
= machine
->boot_order
;
83 MemoryRegion
*sysmem
= get_system_memory();
84 PowerPCCPU
*cpu
= NULL
;
85 CPUPPCState
*env
= NULL
;
87 qemu_irq
*pic
, **heathrow_irqs
;
89 MemoryRegion
*ram
= g_new(MemoryRegion
, 1);
90 MemoryRegion
*bios
= g_new(MemoryRegion
, 1);
91 MemoryRegion
*isa
= g_new(MemoryRegion
, 1);
92 uint32_t kernel_base
, initrd_base
, cmdline_base
= 0;
93 int32_t kernel_size
, initrd_size
;
96 MACIOIDEState
*macio_ide
;
99 int bios_size
, ndrv_size
;
101 MemoryRegion
*pic_mem
;
102 MemoryRegion
*escc_mem
, *escc_bar
= g_new(MemoryRegion
, 1);
103 uint16_t ppc_boot_device
;
104 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 << 20)) {
124 "qemu: Too much memory for this machine: %d MB, maximum 2047 MB\n",
125 ((unsigned int)ram_size
/ (1 << 20)));
129 memory_region_allocate_system_memory(ram
, NULL
, "ppc_heathrow.ram",
131 memory_region_add_subregion(sysmem
, 0, ram
);
133 /* allocate and load BIOS */
134 memory_region_init_ram(bios
, NULL
, "ppc_heathrow.bios", BIOS_SIZE
,
137 if (bios_name
== NULL
)
138 bios_name
= PROM_FILENAME
;
139 filename
= qemu_find_file(QEMU_FILE_TYPE_BIOS
, bios_name
);
140 memory_region_set_readonly(bios
, true);
141 memory_region_add_subregion(sysmem
, PROM_ADDR
, bios
);
143 /* Load OpenBIOS (ELF) */
145 bios_size
= load_elf(filename
, 0, NULL
, NULL
, NULL
, NULL
,
146 1, PPC_ELF_MACHINE
, 0, 0);
151 if (bios_size
< 0 || bios_size
> BIOS_SIZE
) {
152 error_report("could not load PowerPC bios '%s'", bios_name
);
157 uint64_t lowaddr
= 0;
165 kernel_base
= KERNEL_LOAD_ADDR
;
166 kernel_size
= load_elf(kernel_filename
, 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 /* Register 2 MB of ISA IO space */
228 memory_region_init_alias(isa
, NULL
, "isa_mmio",
229 get_system_io(), 0, 0x00200000);
230 memory_region_add_subregion(sysmem
, 0xfe000000, isa
);
232 /* XXX: we register only 1 output pin for heathrow PIC */
233 heathrow_irqs
= g_malloc0(smp_cpus
* sizeof(qemu_irq
*));
235 g_malloc0(smp_cpus
* sizeof(qemu_irq
) * 1);
236 /* Connect the heathrow PIC outputs to the 6xx bus */
237 for (i
= 0; i
< smp_cpus
; i
++) {
238 switch (PPC_INPUT(env
)) {
239 case PPC_FLAGS_INPUT_6xx
:
240 heathrow_irqs
[i
] = heathrow_irqs
[0] + (i
* 1);
241 heathrow_irqs
[i
][0] =
242 ((qemu_irq
*)env
->irq_inputs
)[PPC6xx_INPUT_INT
];
245 error_report("Bus model not supported on OldWorld Mac machine");
250 /* Timebase Frequency */
252 tbfreq
= kvmppc_get_tbfreq();
257 /* init basic PC hardware */
258 if (PPC_INPUT(env
) != PPC_FLAGS_INPUT_6xx
) {
259 error_report("Only 6xx bus is supported on heathrow machine");
262 pic
= heathrow_pic_init(&pic_mem
, 1, heathrow_irqs
);
263 pci_bus
= pci_grackle_init(0xfec00000, pic
,
266 pci_vga_init(pci_bus
);
268 dev
= qdev_create(NULL
, TYPE_ESCC
);
269 qdev_prop_set_uint32(dev
, "disabled", 0);
270 qdev_prop_set_uint32(dev
, "frequency", ESCC_CLOCK
);
271 qdev_prop_set_uint32(dev
, "it_shift", 4);
272 qdev_prop_set_chr(dev
, "chrA", serial_hds
[0]);
273 qdev_prop_set_chr(dev
, "chrB", serial_hds
[1]);
274 qdev_prop_set_uint32(dev
, "chnBtype", escc_serial
);
275 qdev_prop_set_uint32(dev
, "chnAtype", escc_serial
);
276 qdev_init_nofail(dev
);
278 s
= SYS_BUS_DEVICE(dev
);
279 sysbus_connect_irq(s
, 0, pic
[0x10]);
280 sysbus_connect_irq(s
, 1, pic
[0x0f]);
282 escc_mem
= &ESCC(s
)->mmio
;
284 memory_region_init_alias(escc_bar
, NULL
, "escc-bar",
285 escc_mem
, 0, memory_region_size(escc_mem
));
287 for(i
= 0; i
< nb_nics
; i
++)
288 pci_nic_init_nofail(&nd_table
[i
], pci_bus
, "ne2k_pci", NULL
);
291 ide_drive_get(hd
, ARRAY_SIZE(hd
));
293 macio
= pci_create(pci_bus
, -1, TYPE_OLDWORLD_MACIO
);
295 qdev_connect_gpio_out(dev
, 0, pic
[0x12]); /* CUDA */
296 qdev_connect_gpio_out(dev
, 1, pic
[0x0D]); /* IDE-0 */
297 qdev_connect_gpio_out(dev
, 2, pic
[0x02]); /* IDE-0 DMA */
298 qdev_connect_gpio_out(dev
, 3, pic
[0x0E]); /* IDE-1 */
299 qdev_connect_gpio_out(dev
, 4, pic
[0x03]); /* IDE-1 DMA */
300 qdev_prop_set_uint64(dev
, "frequency", tbfreq
);
301 macio_init(macio
, pic_mem
, escc_bar
);
303 macio_ide
= MACIO_IDE(object_resolve_path_component(OBJECT(macio
),
305 macio_ide_init_drives(macio_ide
, hd
);
307 macio_ide
= MACIO_IDE(object_resolve_path_component(OBJECT(macio
),
309 macio_ide_init_drives(macio_ide
, &hd
[MAX_IDE_DEVS
]);
311 dev
= DEVICE(object_resolve_path_component(OBJECT(macio
), "cuda"));
312 adb_bus
= qdev_get_child_bus(dev
, "adb.0");
313 dev
= qdev_create(adb_bus
, TYPE_ADB_KEYBOARD
);
314 qdev_init_nofail(dev
);
315 dev
= qdev_create(adb_bus
, TYPE_ADB_MOUSE
);
316 qdev_init_nofail(dev
);
318 if (machine_usb(machine
)) {
319 pci_create_simple(pci_bus
, -1, "pci-ohci");
322 if (graphic_depth
!= 15 && graphic_depth
!= 32 && graphic_depth
!= 8)
325 /* No PCI init: the BIOS will do it */
327 fw_cfg
= fw_cfg_init_mem(CFG_ADDR
, CFG_ADDR
+ 2);
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)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
);
338 fw_cfg_add_i32(fw_cfg
, FW_CFG_KERNEL_CMDLINE
, 0);
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
);
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
);
348 fw_cfg_add_i32(fw_cfg
, FW_CFG_PPC_IS_KVM
, kvm_enabled());
353 hypercall
= g_malloc(16);
354 kvmppc_get_hypercall(env
, hypercall
, 16);
355 fw_cfg_add_bytes(fw_cfg
, FW_CFG_PPC_KVM_HC
, hypercall
, 16);
356 fw_cfg_add_i32(fw_cfg
, FW_CFG_PPC_KVM_PID
, getpid());
359 fw_cfg_add_i32(fw_cfg
, FW_CFG_PPC_TBFREQ
, tbfreq
);
360 /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
361 fw_cfg_add_i32(fw_cfg
, FW_CFG_PPC_CLOCKFREQ
, CLOCKFREQ
);
362 fw_cfg_add_i32(fw_cfg
, FW_CFG_PPC_BUSFREQ
, BUSFREQ
);
364 /* MacOS NDRV VGA driver */
365 filename
= qemu_find_file(QEMU_FILE_TYPE_BIOS
, NDRV_VGA_FILENAME
);
367 ndrv_size
= get_image_size(filename
);
368 if (ndrv_size
!= -1) {
369 ndrv_file
= g_malloc(ndrv_size
);
370 ndrv_size
= load_image(filename
, ndrv_file
);
372 fw_cfg_add_file(fw_cfg
, "ndrv/qemu_vga.ndrv", ndrv_file
, ndrv_size
);
377 qemu_register_boot_set(fw_cfg_boot_set
, fw_cfg
);
380 static int heathrow_kvm_type(const char *arg
)
382 /* Always force PR KVM */
386 static void heathrow_class_init(ObjectClass
*oc
, void *data
)
388 MachineClass
*mc
= MACHINE_CLASS(oc
);
390 mc
->desc
= "Heathrow based PowerMAC";
391 mc
->init
= ppc_heathrow_init
;
392 mc
->block_default_type
= IF_IDE
;
393 mc
->max_cpus
= MAX_CPUS
;
397 /* TOFIX "cad" when Mac floppy is implemented */
398 mc
->default_boot_order
= "cd";
399 mc
->kvm_type
= heathrow_kvm_type
;
400 mc
->default_cpu_type
= POWERPC_CPU_TYPE_NAME("750_v3.1");
403 static const TypeInfo ppc_heathrow_machine_info
= {
404 .name
= MACHINE_TYPE_NAME("g3beige"),
405 .parent
= TYPE_MACHINE
,
406 .class_init
= heathrow_class_init
409 static void ppc_heathrow_register_types(void)
411 type_register_static(&ppc_heathrow_machine_info
);
414 type_init(ppc_heathrow_register_types
);