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 hwaddr round_page(hwaddr addr)
71 return (addr + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK;
74 static void ppc_heathrow_reset(void *opaque)
76 PowerPCCPU *cpu = opaque;
81 static void ppc_heathrow_init(MachineState *machine)
83 ram_addr_t ram_size = machine->ram_size;
84 const char *kernel_filename = machine->kernel_filename;
85 const char *kernel_cmdline = machine->kernel_cmdline;
86 const char *initrd_filename = machine->initrd_filename;
87 const char *boot_device = machine->boot_order;
88 MemoryRegion *sysmem = get_system_memory();
89 PowerPCCPU *cpu = NULL;
90 CPUPPCState *env = NULL;
92 qemu_irq *pic, **heathrow_irqs;
94 MemoryRegion *ram = g_new(MemoryRegion, 1);
95 MemoryRegion *bios = g_new(MemoryRegion, 1);
96 MemoryRegion *isa = g_new(MemoryRegion, 1);
97 uint32_t kernel_base, initrd_base, cmdline_base = 0;
98 int32_t kernel_size, initrd_size;
101 MACIOIDEState *macio_ide;
104 int bios_size, ndrv_size;
106 MemoryRegion *pic_mem;
107 MemoryRegion *escc_mem, *escc_bar = g_new(MemoryRegion, 1);
108 uint16_t ppc_boot_device;
109 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
113 linux_boot = (kernel_filename != NULL);
116 if (machine->cpu_model == NULL)
117 machine->cpu_model = "G3";
118 for (i = 0; i < smp_cpus; i++) {
119 cpu = cpu_ppc_init(machine->cpu_model);
121 fprintf(stderr, "Unable to find PowerPC CPU definition\n");
126 /* Set time-base frequency to 16.6 Mhz */
127 cpu_ppc_tb_init(env, TBFREQ);
128 qemu_register_reset(ppc_heathrow_reset, cpu);
132 if (ram_size > (2047 << 20)) {
134 "qemu: Too much memory for this machine: %d MB, maximum 2047 MB\n",
135 ((unsigned int)ram_size / (1 << 20)));
139 memory_region_allocate_system_memory(ram, NULL, "ppc_heathrow.ram",
141 memory_region_add_subregion(sysmem, 0, ram);
143 /* allocate and load BIOS */
144 memory_region_init_ram(bios, NULL, "ppc_heathrow.bios", BIOS_SIZE,
146 vmstate_register_ram_global(bios);
148 if (bios_name == NULL)
149 bios_name = PROM_FILENAME;
150 filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
151 memory_region_set_readonly(bios, true);
152 memory_region_add_subregion(sysmem, PROM_ADDR, bios);
154 /* Load OpenBIOS (ELF) */
156 bios_size = load_elf(filename, 0, NULL, NULL, NULL, NULL,
157 1, PPC_ELF_MACHINE, 0, 0);
162 if (bios_size < 0 || bios_size > BIOS_SIZE) {
163 error_report("could not load PowerPC bios '%s'", bios_name);
168 uint64_t lowaddr = 0;
176 kernel_base = KERNEL_LOAD_ADDR;
177 kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL,
178 NULL, &lowaddr, NULL, 1, PPC_ELF_MACHINE,
181 kernel_size = load_aout(kernel_filename, kernel_base,
182 ram_size - kernel_base, bswap_needed,
185 kernel_size = load_image_targphys(kernel_filename,
187 ram_size - kernel_base);
188 if (kernel_size < 0) {
189 error_report("could not load kernel '%s'", kernel_filename);
193 if (initrd_filename) {
194 initrd_base = round_page(kernel_base + kernel_size + KERNEL_GAP);
195 initrd_size = load_image_targphys(initrd_filename, initrd_base,
196 ram_size - initrd_base);
197 if (initrd_size < 0) {
198 error_report("could not load initial ram disk '%s'",
202 cmdline_base = round_page(initrd_base + initrd_size);
206 cmdline_base = round_page(kernel_base + kernel_size + KERNEL_GAP);
208 ppc_boot_device = 'm';
214 ppc_boot_device = '\0';
215 for (i = 0; boot_device[i] != '\0'; i++) {
216 /* TOFIX: for now, the second IDE channel is not properly
217 * used by OHW. The Mac floppy disk are not emulated.
218 * For now, OHW cannot boot from the network.
221 if (boot_device[i] >= 'a' && boot_device[i] <= 'f') {
222 ppc_boot_device = boot_device[i];
226 if (boot_device[i] >= 'c' && boot_device[i] <= 'd') {
227 ppc_boot_device = boot_device[i];
232 if (ppc_boot_device == '\0') {
233 fprintf(stderr, "No valid boot device for G3 Beige machine\n");
238 /* Register 2 MB of ISA IO space */
239 memory_region_init_alias(isa, NULL, "isa_mmio",
240 get_system_io(), 0, 0x00200000);
241 memory_region_add_subregion(sysmem, 0xfe000000, isa);
243 /* XXX: we register only 1 output pin for heathrow PIC */
244 heathrow_irqs = g_malloc0(smp_cpus * sizeof(qemu_irq *));
246 g_malloc0(smp_cpus * sizeof(qemu_irq) * 1);
247 /* Connect the heathrow PIC outputs to the 6xx bus */
248 for (i = 0; i < smp_cpus; i++) {
249 switch (PPC_INPUT(env)) {
250 case PPC_FLAGS_INPUT_6xx:
251 heathrow_irqs[i] = heathrow_irqs[0] + (i * 1);
252 heathrow_irqs[i][0] =
253 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
256 error_report("Bus model not supported on OldWorld Mac machine");
261 /* Timebase Frequency */
263 tbfreq = kvmppc_get_tbfreq();
268 /* init basic PC hardware */
269 if (PPC_INPUT(env) != PPC_FLAGS_INPUT_6xx) {
270 error_report("Only 6xx bus is supported on heathrow machine");
273 pic = heathrow_pic_init(&pic_mem, 1, heathrow_irqs);
274 pci_bus = pci_grackle_init(0xfec00000, pic,
277 pci_vga_init(pci_bus);
279 escc_mem = escc_init(0, pic[0x0f], pic[0x10], serial_hds[0],
280 serial_hds[1], ESCC_CLOCK, 4);
281 memory_region_init_alias(escc_bar, NULL, "escc-bar",
282 escc_mem, 0, memory_region_size(escc_mem));
284 for(i = 0; i < nb_nics; i++)
285 pci_nic_init_nofail(&nd_table[i], pci_bus, "ne2k_pci", NULL);
288 ide_drive_get(hd, ARRAY_SIZE(hd));
290 macio = pci_create(pci_bus, -1, TYPE_OLDWORLD_MACIO);
292 qdev_connect_gpio_out(dev, 0, pic[0x12]); /* CUDA */
293 qdev_connect_gpio_out(dev, 1, pic[0x0D]); /* IDE-0 */
294 qdev_connect_gpio_out(dev, 2, pic[0x02]); /* IDE-0 DMA */
295 qdev_connect_gpio_out(dev, 3, pic[0x0E]); /* IDE-1 */
296 qdev_connect_gpio_out(dev, 4, pic[0x03]); /* IDE-1 DMA */
297 qdev_prop_set_uint64(dev, "frequency", tbfreq);
298 macio_init(macio, pic_mem, escc_bar);
300 macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
302 macio_ide_init_drives(macio_ide, hd);
304 macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
306 macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]);
308 dev = DEVICE(object_resolve_path_component(OBJECT(macio), "cuda"));
309 adb_bus = qdev_get_child_bus(dev, "adb.0");
310 dev = qdev_create(adb_bus, TYPE_ADB_KEYBOARD);
311 qdev_init_nofail(dev);
312 dev = qdev_create(adb_bus, TYPE_ADB_MOUSE);
313 qdev_init_nofail(dev);
315 if (machine_usb(machine)) {
316 pci_create_simple(pci_bus, -1, "pci-ohci");
319 if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8)
322 /* No PCI init: the BIOS will do it */
324 fw_cfg = fw_cfg_init_mem(CFG_ADDR, CFG_ADDR + 2);
325 fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
326 fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
327 fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
328 fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, ARCH_HEATHROW);
329 fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
330 fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
331 if (kernel_cmdline) {
332 fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
333 pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
335 fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
337 fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
338 fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
339 fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
341 fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
342 fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
343 fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
345 fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
350 hypercall = g_malloc(16);
351 kvmppc_get_hypercall(env, hypercall, 16);
352 fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
353 fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
356 fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq);
357 /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
358 fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ);
359 fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ);
361 /* MacOS NDRV VGA driver */
362 filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, NDRV_VGA_FILENAME);
364 ndrv_size = get_image_size(filename);
365 if (ndrv_size != -1) {
366 ndrv_file = g_malloc(ndrv_size);
367 ndrv_size = load_image(filename, ndrv_file);
369 fw_cfg_add_file(fw_cfg, "ndrv/qemu_vga.ndrv", ndrv_file, ndrv_size);
374 qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
377 static int heathrow_kvm_type(const char *arg)
379 /* Always force PR KVM */
383 static void heathrow_machine_init(MachineClass *mc)
385 mc->desc = "Heathrow based PowerMAC";
386 mc->init = ppc_heathrow_init;
387 mc->block_default_type = IF_IDE;
388 mc->max_cpus = MAX_CPUS;
392 /* TOFIX "cad" when Mac floppy is implemented */
393 mc->default_boot_order = "cd";
394 mc->kvm_type = heathrow_kvm_type;
397 DEFINE_MACHINE("g3beige", heathrow_machine_init)