1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26#include "qemu/osdep.h"
27#include "qapi/error.h"
28#include "hw/hw.h"
29#include "hw/ppc/ppc.h"
30#include "mac.h"
31#include "hw/input/adb.h"
32#include "hw/timer/m48t59.h"
33#include "sysemu/sysemu.h"
34#include "net/net.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"
40#include "hw/ide.h"
41#include "hw/loader.h"
42#include "elf.h"
43#include "qemu/error-report.h"
44#include "sysemu/kvm.h"
45#include "kvm_ppc.h"
46#include "sysemu/block-backend.h"
47#include "exec/address-spaces.h"
48#include "qemu/cutils.h"
49
50#define MAX_IDE_BUS 2
51#define CFG_ADDR 0xf0000510
52#define TBFREQ 16600000UL
53#define CLOCKFREQ 266000000UL
54#define BUSFREQ 66000000UL
55
56static void fw_cfg_boot_set(void *opaque, const char *boot_device,
57 Error **errp)
58{
59 fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
60}
61
62static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
63{
64 return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR;
65}
66
67static hwaddr round_page(hwaddr addr)
68{
69 return (addr + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK;
70}
71
72static void ppc_heathrow_reset(void *opaque)
73{
74 PowerPCCPU *cpu = opaque;
75
76 cpu_reset(CPU(cpu));
77}
78
79static void ppc_heathrow_init(MachineState *machine)
80{
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;
89 char *filename;
90 qemu_irq *pic, **heathrow_irqs;
91 int linux_boot, i;
92 MemoryRegion *ram = g_new(MemoryRegion, 1);
93 MemoryRegion *bios = g_new(MemoryRegion, 1);
94 MemoryRegion *isa = g_new(MemoryRegion, 1);
95 uint32_t kernel_base, initrd_base, cmdline_base = 0;
96 int32_t kernel_size, initrd_size;
97 PCIBus *pci_bus;
98 PCIDevice *macio;
99 MACIOIDEState *macio_ide;
100 DeviceState *dev;
101 BusState *adb_bus;
102 int bios_size;
103 MemoryRegion *pic_mem;
104 MemoryRegion *escc_mem, *escc_bar = g_new(MemoryRegion, 1);
105 uint16_t ppc_boot_device;
106 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
107 void *fw_cfg;
108 uint64_t tbfreq;
109
110 linux_boot = (kernel_filename != NULL);
111
112
113 if (machine->cpu_model == NULL)
114 machine->cpu_model = "G3";
115 for (i = 0; i < smp_cpus; i++) {
116 cpu = cpu_ppc_init(machine->cpu_model);
117 if (cpu == NULL) {
118 fprintf(stderr, "Unable to find PowerPC CPU definition\n");
119 exit(1);
120 }
121 env = &cpu->env;
122
123
124 cpu_ppc_tb_init(env, TBFREQ);
125 qemu_register_reset(ppc_heathrow_reset, cpu);
126 }
127
128
129 if (ram_size > (2047 << 20)) {
130 fprintf(stderr,
131 "qemu: Too much memory for this machine: %d MB, maximum 2047 MB\n",
132 ((unsigned int)ram_size / (1 << 20)));
133 exit(1);
134 }
135
136 memory_region_allocate_system_memory(ram, NULL, "ppc_heathrow.ram",
137 ram_size);
138 memory_region_add_subregion(sysmem, 0, ram);
139
140
141 memory_region_init_ram(bios, NULL, "ppc_heathrow.bios", BIOS_SIZE,
142 &error_fatal);
143 vmstate_register_ram_global(bios);
144
145 if (bios_name == NULL)
146 bios_name = PROM_FILENAME;
147 filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
148 memory_region_set_readonly(bios, true);
149 memory_region_add_subregion(sysmem, PROM_ADDR, bios);
150
151
152 if (filename) {
153 bios_size = load_elf(filename, 0, NULL, NULL, NULL, NULL,
154 1, PPC_ELF_MACHINE, 0, 0);
155 g_free(filename);
156 } else {
157 bios_size = -1;
158 }
159 if (bios_size < 0 || bios_size > BIOS_SIZE) {
160 error_report("could not load PowerPC bios '%s'", bios_name);
161 exit(1);
162 }
163
164 if (linux_boot) {
165 uint64_t lowaddr = 0;
166 int bswap_needed;
167
168#ifdef BSWAP_NEEDED
169 bswap_needed = 1;
170#else
171 bswap_needed = 0;
172#endif
173 kernel_base = KERNEL_LOAD_ADDR;
174 kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL,
175 NULL, &lowaddr, NULL, 1, PPC_ELF_MACHINE,
176 0, 0);
177 if (kernel_size < 0)
178 kernel_size = load_aout(kernel_filename, kernel_base,
179 ram_size - kernel_base, bswap_needed,
180 TARGET_PAGE_SIZE);
181 if (kernel_size < 0)
182 kernel_size = load_image_targphys(kernel_filename,
183 kernel_base,
184 ram_size - kernel_base);
185 if (kernel_size < 0) {
186 error_report("could not load kernel '%s'", kernel_filename);
187 exit(1);
188 }
189
190 if (initrd_filename) {
191 initrd_base = round_page(kernel_base + kernel_size + KERNEL_GAP);
192 initrd_size = load_image_targphys(initrd_filename, initrd_base,
193 ram_size - initrd_base);
194 if (initrd_size < 0) {
195 error_report("could not load initial ram disk '%s'",
196 initrd_filename);
197 exit(1);
198 }
199 cmdline_base = round_page(initrd_base + initrd_size);
200 } else {
201 initrd_base = 0;
202 initrd_size = 0;
203 cmdline_base = round_page(kernel_base + kernel_size + KERNEL_GAP);
204 }
205 ppc_boot_device = 'm';
206 } else {
207 kernel_base = 0;
208 kernel_size = 0;
209 initrd_base = 0;
210 initrd_size = 0;
211 ppc_boot_device = '\0';
212 for (i = 0; boot_device[i] != '\0'; i++) {
213
214
215
216
217#if 0
218 if (boot_device[i] >= 'a' && boot_device[i] <= 'f') {
219 ppc_boot_device = boot_device[i];
220 break;
221 }
222#else
223 if (boot_device[i] >= 'c' && boot_device[i] <= 'd') {
224 ppc_boot_device = boot_device[i];
225 break;
226 }
227#endif
228 }
229 if (ppc_boot_device == '\0') {
230 fprintf(stderr, "No valid boot device for G3 Beige machine\n");
231 exit(1);
232 }
233 }
234
235
236 memory_region_init_alias(isa, NULL, "isa_mmio",
237 get_system_io(), 0, 0x00200000);
238 memory_region_add_subregion(sysmem, 0xfe000000, isa);
239
240
241 heathrow_irqs = g_malloc0(smp_cpus * sizeof(qemu_irq *));
242 heathrow_irqs[0] =
243 g_malloc0(smp_cpus * sizeof(qemu_irq) * 1);
244
245 for (i = 0; i < smp_cpus; i++) {
246 switch (PPC_INPUT(env)) {
247 case PPC_FLAGS_INPUT_6xx:
248 heathrow_irqs[i] = heathrow_irqs[0] + (i * 1);
249 heathrow_irqs[i][0] =
250 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
251 break;
252 default:
253 error_report("Bus model not supported on OldWorld Mac machine");
254 exit(1);
255 }
256 }
257
258
259 if (kvm_enabled()) {
260 tbfreq = kvmppc_get_tbfreq();
261 } else {
262 tbfreq = TBFREQ;
263 }
264
265
266 if (PPC_INPUT(env) != PPC_FLAGS_INPUT_6xx) {
267 error_report("Only 6xx bus is supported on heathrow machine");
268 exit(1);
269 }
270 pic = heathrow_pic_init(&pic_mem, 1, heathrow_irqs);
271 pci_bus = pci_grackle_init(0xfec00000, pic,
272 get_system_memory(),
273 get_system_io());
274 pci_vga_init(pci_bus);
275
276 escc_mem = escc_init(0, pic[0x0f], pic[0x10], serial_hds[0],
277 serial_hds[1], ESCC_CLOCK, 4);
278 memory_region_init_alias(escc_bar, NULL, "escc-bar",
279 escc_mem, 0, memory_region_size(escc_mem));
280
281 for(i = 0; i < nb_nics; i++)
282 pci_nic_init_nofail(&nd_table[i], pci_bus, "ne2k_pci", NULL);
283
284
285 ide_drive_get(hd, ARRAY_SIZE(hd));
286
287 macio = pci_create(pci_bus, -1, TYPE_OLDWORLD_MACIO);
288 dev = DEVICE(macio);
289 qdev_connect_gpio_out(dev, 0, pic[0x12]);
290 qdev_connect_gpio_out(dev, 1, pic[0x0D]);
291 qdev_connect_gpio_out(dev, 2, pic[0x02]);
292 qdev_connect_gpio_out(dev, 3, pic[0x0E]);
293 qdev_connect_gpio_out(dev, 4, pic[0x03]);
294 qdev_prop_set_uint64(dev, "frequency", tbfreq);
295 macio_init(macio, pic_mem, escc_bar);
296
297 macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
298 "ide[0]"));
299 macio_ide_init_drives(macio_ide, hd);
300
301 macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
302 "ide[1]"));
303 macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]);
304
305 dev = DEVICE(object_resolve_path_component(OBJECT(macio), "cuda"));
306 adb_bus = qdev_get_child_bus(dev, "adb.0");
307 dev = qdev_create(adb_bus, TYPE_ADB_KEYBOARD);
308 qdev_init_nofail(dev);
309 dev = qdev_create(adb_bus, TYPE_ADB_MOUSE);
310 qdev_init_nofail(dev);
311
312 if (usb_enabled()) {
313 pci_create_simple(pci_bus, -1, "pci-ohci");
314 }
315
316 if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8)
317 graphic_depth = 15;
318
319
320
321 fw_cfg = fw_cfg_init_mem(CFG_ADDR, CFG_ADDR + 2);
322 fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
323 fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
324 fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, ARCH_HEATHROW);
325 fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
326 fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
327 if (kernel_cmdline) {
328 fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
329 pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
330 } else {
331 fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
332 }
333 fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
334 fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
335 fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
336
337 fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
338 fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
339 fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
340
341 fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
342 if (kvm_enabled()) {
343#ifdef CONFIG_KVM
344 uint8_t *hypercall;
345
346 hypercall = g_malloc(16);
347 kvmppc_get_hypercall(env, hypercall, 16);
348 fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
349 fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
350#endif
351 }
352 fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq);
353
354 fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ);
355 fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ);
356
357 qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
358}
359
360static int heathrow_kvm_type(const char *arg)
361{
362
363 return 2;
364}
365
366static void heathrow_machine_init(MachineClass *mc)
367{
368 mc->desc = "Heathrow based PowerMAC";
369 mc->init = ppc_heathrow_init;
370 mc->max_cpus = MAX_CPUS;
371#ifndef TARGET_PPC64
372 mc->is_default = 1;
373#endif
374
375 mc->default_boot_order = "cd";
376 mc->kvm_type = heathrow_kvm_type;
377}
378
379DEFINE_MACHINE("g3beige", heathrow_machine_init)
380
