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
30 #include "mac_dbdma.h"
46 #include "exec-memory.h"
49 #define CFG_ADDR 0xf0000510
51 static int fw_cfg_boot_set(void *opaque
, const char *boot_device
)
53 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 target_phys_addr_t
round_page(target_phys_addr_t addr
)
65 return (addr
+ TARGET_PAGE_SIZE
- 1) & TARGET_PAGE_MASK
;
68 static void ppc_heathrow_init (ram_addr_t ram_size
,
69 const char *boot_device
,
70 const char *kernel_filename
,
71 const char *kernel_cmdline
,
72 const char *initrd_filename
,
73 const char *cpu_model
)
75 MemoryRegion
*sysmem
= get_system_memory();
78 qemu_irq
*pic
, **heathrow_irqs
;
80 MemoryRegion
*ram
= g_new(MemoryRegion
, 1);
81 MemoryRegion
*bios
= g_new(MemoryRegion
, 1);
82 uint32_t kernel_base
, initrd_base
, cmdline_base
= 0;
83 int32_t kernel_size
, initrd_size
;
87 MemoryRegion
*pic_mem
, *dbdma_mem
, *cuda_mem
;
88 MemoryRegion
*escc_mem
, *escc_bar
= g_new(MemoryRegion
, 1), *ide_mem
[2];
89 uint16_t ppc_boot_device
;
90 DriveInfo
*hd
[MAX_IDE_BUS
* MAX_IDE_DEVS
];
94 linux_boot
= (kernel_filename
!= NULL
);
97 if (cpu_model
== NULL
)
99 for (i
= 0; i
< smp_cpus
; i
++) {
100 env
= cpu_init(cpu_model
);
102 fprintf(stderr
, "Unable to find PowerPC CPU definition\n");
105 /* Set time-base frequency to 16.6 Mhz */
106 cpu_ppc_tb_init(env
, 16600000UL);
107 qemu_register_reset((QEMUResetHandler
*)&cpu_reset
, env
);
111 if (ram_size
> (2047 << 20)) {
113 "qemu: Too much memory for this machine: %d MB, maximum 2047 MB\n",
114 ((unsigned int)ram_size
/ (1 << 20)));
118 memory_region_init_ram(ram
, "ppc_heathrow.ram", ram_size
);
119 vmstate_register_ram_global(ram
);
120 memory_region_add_subregion(sysmem
, 0, ram
);
122 /* allocate and load BIOS */
123 memory_region_init_ram(bios
, "ppc_heathrow.bios", BIOS_SIZE
);
124 vmstate_register_ram_global(bios
);
125 if (bios_name
== NULL
)
126 bios_name
= PROM_FILENAME
;
127 filename
= qemu_find_file(QEMU_FILE_TYPE_BIOS
, bios_name
);
128 memory_region_set_readonly(bios
, true);
129 memory_region_add_subregion(sysmem
, PROM_ADDR
, bios
);
131 /* Load OpenBIOS (ELF) */
133 bios_size
= load_elf(filename
, 0, NULL
, NULL
, NULL
, NULL
,
139 if (bios_size
< 0 || bios_size
> BIOS_SIZE
) {
140 hw_error("qemu: could not load PowerPC bios '%s'\n", bios_name
);
145 uint64_t lowaddr
= 0;
153 kernel_base
= KERNEL_LOAD_ADDR
;
154 kernel_size
= load_elf(kernel_filename
, translate_kernel_address
, NULL
,
155 NULL
, &lowaddr
, NULL
, 1, ELF_MACHINE
, 0);
157 kernel_size
= load_aout(kernel_filename
, kernel_base
,
158 ram_size
- kernel_base
, bswap_needed
,
161 kernel_size
= load_image_targphys(kernel_filename
,
163 ram_size
- kernel_base
);
164 if (kernel_size
< 0) {
165 hw_error("qemu: could not load kernel '%s'\n",
170 if (initrd_filename
) {
171 initrd_base
= round_page(kernel_base
+ kernel_size
+ KERNEL_GAP
);
172 initrd_size
= load_image_targphys(initrd_filename
, initrd_base
,
173 ram_size
- initrd_base
);
174 if (initrd_size
< 0) {
175 hw_error("qemu: could not load initial ram disk '%s'\n",
179 cmdline_base
= round_page(initrd_base
+ initrd_size
);
183 cmdline_base
= round_page(kernel_base
+ kernel_size
+ KERNEL_GAP
);
185 ppc_boot_device
= 'm';
191 ppc_boot_device
= '\0';
192 for (i
= 0; boot_device
[i
] != '\0'; i
++) {
193 /* TOFIX: for now, the second IDE channel is not properly
194 * used by OHW. The Mac floppy disk are not emulated.
195 * For now, OHW cannot boot from the network.
198 if (boot_device
[i
] >= 'a' && boot_device
[i
] <= 'f') {
199 ppc_boot_device
= boot_device
[i
];
203 if (boot_device
[i
] >= 'c' && boot_device
[i
] <= 'd') {
204 ppc_boot_device
= boot_device
[i
];
209 if (ppc_boot_device
== '\0') {
210 fprintf(stderr
, "No valid boot device for G3 Beige machine\n");
215 /* Register 2 MB of ISA IO space */
216 isa_mmio_init(0xfe000000, 0x00200000);
218 /* XXX: we register only 1 output pin for heathrow PIC */
219 heathrow_irqs
= g_malloc0(smp_cpus
* sizeof(qemu_irq
*));
221 g_malloc0(smp_cpus
* sizeof(qemu_irq
) * 1);
222 /* Connect the heathrow PIC outputs to the 6xx bus */
223 for (i
= 0; i
< smp_cpus
; i
++) {
224 switch (PPC_INPUT(env
)) {
225 case PPC_FLAGS_INPUT_6xx
:
226 heathrow_irqs
[i
] = heathrow_irqs
[0] + (i
* 1);
227 heathrow_irqs
[i
][0] =
228 ((qemu_irq
*)env
->irq_inputs
)[PPC6xx_INPUT_INT
];
231 hw_error("Bus model not supported on OldWorld Mac machine\n");
235 /* init basic PC hardware */
236 if (PPC_INPUT(env
) != PPC_FLAGS_INPUT_6xx
) {
237 hw_error("Only 6xx bus is supported on heathrow machine\n");
239 pic
= heathrow_pic_init(&pic_mem
, 1, heathrow_irqs
);
240 pci_bus
= pci_grackle_init(0xfec00000, pic
,
243 pci_vga_init(pci_bus
);
245 escc_mem
= escc_init(0, pic
[0x0f], pic
[0x10], serial_hds
[0],
246 serial_hds
[1], ESCC_CLOCK
, 4);
247 memory_region_init_alias(escc_bar
, "escc-bar",
248 escc_mem
, 0, memory_region_size(escc_mem
));
250 for(i
= 0; i
< nb_nics
; i
++)
251 pci_nic_init_nofail(&nd_table
[i
], "ne2k_pci", NULL
);
254 ide_drive_get(hd
, MAX_IDE_BUS
);
256 /* First IDE channel is a MAC IDE on the MacIO bus */
257 dbdma
= DBDMA_init(&dbdma_mem
);
259 ide_mem
[1] = pmac_ide_init(hd
, pic
[0x0D], dbdma
, 0x16, pic
[0x02]);
261 /* Second IDE channel is a CMD646 on the PCI bus */
262 hd
[0] = hd
[MAX_IDE_DEVS
];
263 hd
[1] = hd
[MAX_IDE_DEVS
+ 1];
264 hd
[3] = hd
[2] = NULL
;
265 pci_cmd646_ide_init(pci_bus
, hd
, 0);
267 /* cuda also initialize ADB */
268 cuda_init(&cuda_mem
, pic
[0x12]);
270 adb_kbd_init(&adb_bus
);
271 adb_mouse_init(&adb_bus
);
273 nvr
= macio_nvram_init(0x2000, 4);
274 pmac_format_nvram_partition(nvr
, 0x2000);
276 macio_init(pci_bus
, PCI_DEVICE_ID_APPLE_343S1201
, 1, pic_mem
,
277 dbdma_mem
, cuda_mem
, nvr
, 2, ide_mem
, escc_bar
);
280 pci_create_simple(pci_bus
, -1, "pci-ohci");
283 if (graphic_depth
!= 15 && graphic_depth
!= 32 && graphic_depth
!= 8)
286 /* No PCI init: the BIOS will do it */
288 fw_cfg
= fw_cfg_init(0, 0, CFG_ADDR
, CFG_ADDR
+ 2);
289 fw_cfg_add_i32(fw_cfg
, FW_CFG_ID
, 1);
290 fw_cfg_add_i64(fw_cfg
, FW_CFG_RAM_SIZE
, (uint64_t)ram_size
);
291 fw_cfg_add_i16(fw_cfg
, FW_CFG_MACHINE_ID
, ARCH_HEATHROW
);
292 fw_cfg_add_i32(fw_cfg
, FW_CFG_KERNEL_ADDR
, kernel_base
);
293 fw_cfg_add_i32(fw_cfg
, FW_CFG_KERNEL_SIZE
, kernel_size
);
294 if (kernel_cmdline
) {
295 fw_cfg_add_i32(fw_cfg
, FW_CFG_KERNEL_CMDLINE
, cmdline_base
);
296 pstrcpy_targphys("cmdline", cmdline_base
, TARGET_PAGE_SIZE
, kernel_cmdline
);
298 fw_cfg_add_i32(fw_cfg
, FW_CFG_KERNEL_CMDLINE
, 0);
300 fw_cfg_add_i32(fw_cfg
, FW_CFG_INITRD_ADDR
, initrd_base
);
301 fw_cfg_add_i32(fw_cfg
, FW_CFG_INITRD_SIZE
, initrd_size
);
302 fw_cfg_add_i16(fw_cfg
, FW_CFG_BOOT_DEVICE
, ppc_boot_device
);
304 fw_cfg_add_i16(fw_cfg
, FW_CFG_PPC_WIDTH
, graphic_width
);
305 fw_cfg_add_i16(fw_cfg
, FW_CFG_PPC_HEIGHT
, graphic_height
);
306 fw_cfg_add_i16(fw_cfg
, FW_CFG_PPC_DEPTH
, graphic_depth
);
308 fw_cfg_add_i32(fw_cfg
, FW_CFG_PPC_IS_KVM
, kvm_enabled());
313 fw_cfg_add_i32(fw_cfg
, FW_CFG_PPC_TBFREQ
, kvmppc_get_tbfreq());
314 hypercall
= g_malloc(16);
315 kvmppc_get_hypercall(env
, hypercall
, 16);
316 fw_cfg_add_bytes(fw_cfg
, FW_CFG_PPC_KVM_HC
, hypercall
, 16);
317 fw_cfg_add_i32(fw_cfg
, FW_CFG_PPC_KVM_PID
, getpid());
320 fw_cfg_add_i32(fw_cfg
, FW_CFG_PPC_TBFREQ
, get_ticks_per_sec());
323 qemu_register_boot_set(fw_cfg_boot_set
, fw_cfg
);
326 static QEMUMachine heathrow_machine
= {
328 .desc
= "Heathrow based PowerMAC",
329 .init
= ppc_heathrow_init
,
330 .max_cpus
= MAX_CPUS
,
336 static void heathrow_machine_init(void)
338 qemu_register_machine(&heathrow_machine
);
341 machine_init(heathrow_machine_init
);