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 "hw/ppc/ppc.h"
29 #include "hw/input/adb.h"
30 #include "hw/timer/m48t59.h"
31 #include "sysemu/sysemu.h"
33 #include "hw/isa/isa.h"
34 #include "hw/pci/pci.h"
35 #include "hw/boards.h"
36 #include "hw/nvram/fw_cfg.h"
37 #include "hw/char/escc.h"
39 #include "hw/loader.h"
41 #include "sysemu/kvm.h"
43 #include "sysemu/block-backend.h"
44 #include "exec/address-spaces.h"
47 #define CFG_ADDR 0xf0000510
48 #define TBFREQ 16600000UL
49 #define CLOCKFREQ 266000000UL
50 #define BUSFREQ 66000000UL
52 static void fw_cfg_boot_set(void *opaque
, const char *boot_device
,
55 fw_cfg_add_i16(opaque
, FW_CFG_BOOT_DEVICE
, boot_device
[0]);
58 static uint64_t translate_kernel_address(void *opaque
, uint64_t addr
)
60 return (addr
& 0x0fffffff) + KERNEL_LOAD_ADDR
;
63 static hwaddr
round_page(hwaddr addr
)
65 return (addr
+ TARGET_PAGE_SIZE
- 1) & TARGET_PAGE_MASK
;
68 static void ppc_heathrow_reset(void *opaque
)
70 PowerPCCPU
*cpu
= opaque
;
75 static void ppc_heathrow_init(MachineState
*machine
)
77 ram_addr_t ram_size
= machine
->ram_size
;
78 const char *cpu_model
= machine
->cpu_model
;
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
;
100 MemoryRegion
*pic_mem
;
101 MemoryRegion
*escc_mem
, *escc_bar
= g_new(MemoryRegion
, 1);
102 uint16_t ppc_boot_device
;
103 DriveInfo
*hd
[MAX_IDE_BUS
* MAX_IDE_DEVS
];
107 linux_boot
= (kernel_filename
!= NULL
);
110 if (cpu_model
== NULL
)
112 for (i
= 0; i
< smp_cpus
; i
++) {
113 cpu
= cpu_ppc_init(cpu_model
);
115 fprintf(stderr
, "Unable to find PowerPC CPU definition\n");
120 /* Set time-base frequency to 16.6 Mhz */
121 cpu_ppc_tb_init(env
, TBFREQ
);
122 qemu_register_reset(ppc_heathrow_reset
, cpu
);
126 if (ram_size
> (2047 << 20)) {
128 "qemu: Too much memory for this machine: %d MB, maximum 2047 MB\n",
129 ((unsigned int)ram_size
/ (1 << 20)));
133 memory_region_allocate_system_memory(ram
, NULL
, "ppc_heathrow.ram",
135 memory_region_add_subregion(sysmem
, 0, ram
);
137 /* allocate and load BIOS */
138 memory_region_init_ram(bios
, NULL
, "ppc_heathrow.bios", BIOS_SIZE
,
140 vmstate_register_ram_global(bios
);
142 if (bios_name
== NULL
)
143 bios_name
= PROM_FILENAME
;
144 filename
= qemu_find_file(QEMU_FILE_TYPE_BIOS
, bios_name
);
145 memory_region_set_readonly(bios
, true);
146 memory_region_add_subregion(sysmem
, PROM_ADDR
, bios
);
148 /* Load OpenBIOS (ELF) */
150 bios_size
= load_elf(filename
, 0, NULL
, NULL
, NULL
, NULL
,
156 if (bios_size
< 0 || bios_size
> BIOS_SIZE
) {
157 hw_error("qemu: could not load PowerPC bios '%s'\n", bios_name
);
162 uint64_t lowaddr
= 0;
170 kernel_base
= KERNEL_LOAD_ADDR
;
171 kernel_size
= load_elf(kernel_filename
, translate_kernel_address
, NULL
,
172 NULL
, &lowaddr
, NULL
, 1, ELF_MACHINE
, 0);
174 kernel_size
= load_aout(kernel_filename
, kernel_base
,
175 ram_size
- kernel_base
, bswap_needed
,
178 kernel_size
= load_image_targphys(kernel_filename
,
180 ram_size
- kernel_base
);
181 if (kernel_size
< 0) {
182 hw_error("qemu: could not load kernel '%s'\n",
187 if (initrd_filename
) {
188 initrd_base
= round_page(kernel_base
+ kernel_size
+ KERNEL_GAP
);
189 initrd_size
= load_image_targphys(initrd_filename
, initrd_base
,
190 ram_size
- initrd_base
);
191 if (initrd_size
< 0) {
192 hw_error("qemu: could not load initial ram disk '%s'\n",
196 cmdline_base
= round_page(initrd_base
+ initrd_size
);
200 cmdline_base
= round_page(kernel_base
+ kernel_size
+ KERNEL_GAP
);
202 ppc_boot_device
= 'm';
208 ppc_boot_device
= '\0';
209 for (i
= 0; boot_device
[i
] != '\0'; i
++) {
210 /* TOFIX: for now, the second IDE channel is not properly
211 * used by OHW. The Mac floppy disk are not emulated.
212 * For now, OHW cannot boot from the network.
215 if (boot_device
[i
] >= 'a' && boot_device
[i
] <= 'f') {
216 ppc_boot_device
= boot_device
[i
];
220 if (boot_device
[i
] >= 'c' && boot_device
[i
] <= 'd') {
221 ppc_boot_device
= boot_device
[i
];
226 if (ppc_boot_device
== '\0') {
227 fprintf(stderr
, "No valid boot device for G3 Beige machine\n");
232 /* Register 2 MB of ISA IO space */
233 memory_region_init_alias(isa
, NULL
, "isa_mmio",
234 get_system_io(), 0, 0x00200000);
235 memory_region_add_subregion(sysmem
, 0xfe000000, isa
);
237 /* XXX: we register only 1 output pin for heathrow PIC */
238 heathrow_irqs
= g_malloc0(smp_cpus
* sizeof(qemu_irq
*));
240 g_malloc0(smp_cpus
* sizeof(qemu_irq
) * 1);
241 /* Connect the heathrow PIC outputs to the 6xx bus */
242 for (i
= 0; i
< smp_cpus
; i
++) {
243 switch (PPC_INPUT(env
)) {
244 case PPC_FLAGS_INPUT_6xx
:
245 heathrow_irqs
[i
] = heathrow_irqs
[0] + (i
* 1);
246 heathrow_irqs
[i
][0] =
247 ((qemu_irq
*)env
->irq_inputs
)[PPC6xx_INPUT_INT
];
250 hw_error("Bus model not supported on OldWorld Mac machine\n");
254 /* Timebase Frequency */
256 tbfreq
= kvmppc_get_tbfreq();
261 /* init basic PC hardware */
262 if (PPC_INPUT(env
) != PPC_FLAGS_INPUT_6xx
) {
263 hw_error("Only 6xx bus is supported on heathrow machine\n");
265 pic
= heathrow_pic_init(&pic_mem
, 1, heathrow_irqs
);
266 pci_bus
= pci_grackle_init(0xfec00000, pic
,
269 pci_vga_init(pci_bus
);
271 escc_mem
= escc_init(0, pic
[0x0f], pic
[0x10], serial_hds
[0],
272 serial_hds
[1], ESCC_CLOCK
, 4);
273 memory_region_init_alias(escc_bar
, NULL
, "escc-bar",
274 escc_mem
, 0, memory_region_size(escc_mem
));
276 for(i
= 0; i
< nb_nics
; i
++)
277 pci_nic_init_nofail(&nd_table
[i
], pci_bus
, "ne2k_pci", NULL
);
280 ide_drive_get(hd
, ARRAY_SIZE(hd
));
282 macio
= pci_create(pci_bus
, -1, TYPE_OLDWORLD_MACIO
);
284 qdev_connect_gpio_out(dev
, 0, pic
[0x12]); /* CUDA */
285 qdev_connect_gpio_out(dev
, 1, pic
[0x0D]); /* IDE-0 */
286 qdev_connect_gpio_out(dev
, 2, pic
[0x02]); /* IDE-0 DMA */
287 qdev_connect_gpio_out(dev
, 3, pic
[0x0E]); /* IDE-1 */
288 qdev_connect_gpio_out(dev
, 4, pic
[0x03]); /* IDE-1 DMA */
289 qdev_prop_set_uint64(dev
, "frequency", tbfreq
);
290 macio_init(macio
, pic_mem
, escc_bar
);
292 macio_ide
= MACIO_IDE(object_resolve_path_component(OBJECT(macio
),
294 macio_ide_init_drives(macio_ide
, hd
);
296 macio_ide
= MACIO_IDE(object_resolve_path_component(OBJECT(macio
),
298 macio_ide_init_drives(macio_ide
, &hd
[MAX_IDE_DEVS
]);
300 dev
= DEVICE(object_resolve_path_component(OBJECT(macio
), "cuda"));
301 adb_bus
= qdev_get_child_bus(dev
, "adb.0");
302 dev
= qdev_create(adb_bus
, TYPE_ADB_KEYBOARD
);
303 qdev_init_nofail(dev
);
304 dev
= qdev_create(adb_bus
, TYPE_ADB_MOUSE
);
305 qdev_init_nofail(dev
);
308 pci_create_simple(pci_bus
, -1, "pci-ohci");
311 if (graphic_depth
!= 15 && graphic_depth
!= 32 && graphic_depth
!= 8)
314 /* No PCI init: the BIOS will do it */
316 fw_cfg
= fw_cfg_init_mem(CFG_ADDR
, CFG_ADDR
+ 2);
317 fw_cfg_add_i16(fw_cfg
, FW_CFG_MAX_CPUS
, (uint16_t)max_cpus
);
318 fw_cfg_add_i32(fw_cfg
, FW_CFG_ID
, 1);
319 fw_cfg_add_i64(fw_cfg
, FW_CFG_RAM_SIZE
, (uint64_t)ram_size
);
320 fw_cfg_add_i16(fw_cfg
, FW_CFG_MACHINE_ID
, ARCH_HEATHROW
);
321 fw_cfg_add_i32(fw_cfg
, FW_CFG_KERNEL_ADDR
, kernel_base
);
322 fw_cfg_add_i32(fw_cfg
, FW_CFG_KERNEL_SIZE
, kernel_size
);
323 if (kernel_cmdline
) {
324 fw_cfg_add_i32(fw_cfg
, FW_CFG_KERNEL_CMDLINE
, cmdline_base
);
325 pstrcpy_targphys("cmdline", cmdline_base
, TARGET_PAGE_SIZE
, kernel_cmdline
);
327 fw_cfg_add_i32(fw_cfg
, FW_CFG_KERNEL_CMDLINE
, 0);
329 fw_cfg_add_i32(fw_cfg
, FW_CFG_INITRD_ADDR
, initrd_base
);
330 fw_cfg_add_i32(fw_cfg
, FW_CFG_INITRD_SIZE
, initrd_size
);
331 fw_cfg_add_i16(fw_cfg
, FW_CFG_BOOT_DEVICE
, ppc_boot_device
);
333 fw_cfg_add_i16(fw_cfg
, FW_CFG_PPC_WIDTH
, graphic_width
);
334 fw_cfg_add_i16(fw_cfg
, FW_CFG_PPC_HEIGHT
, graphic_height
);
335 fw_cfg_add_i16(fw_cfg
, FW_CFG_PPC_DEPTH
, graphic_depth
);
337 fw_cfg_add_i32(fw_cfg
, FW_CFG_PPC_IS_KVM
, kvm_enabled());
342 hypercall
= g_malloc(16);
343 kvmppc_get_hypercall(env
, hypercall
, 16);
344 fw_cfg_add_bytes(fw_cfg
, FW_CFG_PPC_KVM_HC
, hypercall
, 16);
345 fw_cfg_add_i32(fw_cfg
, FW_CFG_PPC_KVM_PID
, getpid());
348 fw_cfg_add_i32(fw_cfg
, FW_CFG_PPC_TBFREQ
, tbfreq
);
349 /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
350 fw_cfg_add_i32(fw_cfg
, FW_CFG_PPC_CLOCKFREQ
, CLOCKFREQ
);
351 fw_cfg_add_i32(fw_cfg
, FW_CFG_PPC_BUSFREQ
, BUSFREQ
);
353 qemu_register_boot_set(fw_cfg_boot_set
, fw_cfg
);
356 static int heathrow_kvm_type(const char *arg
)
358 /* Always force PR KVM */
362 static QEMUMachine heathrow_machine
= {
364 .desc
= "Heathrow based PowerMAC",
365 .init
= ppc_heathrow_init
,
366 .max_cpus
= MAX_CPUS
,
370 .default_boot_order
= "cd", /* TOFIX "cad" when Mac floppy is implemented */
371 .kvm_type
= heathrow_kvm_type
,
374 static void heathrow_machine_init(void)
376 qemu_register_machine(&heathrow_machine
);
379 machine_init(heathrow_machine_init
);