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
29 #include "mac_dbdma.h"
48 #define CFG_ADDR 0xf0000510
50 static int fw_cfg_boot_set(void *opaque, const char *boot_device)
52 fw_cfg_add_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
57 static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
59 return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR;
62 static void ppc_heathrow_init (ram_addr_t ram_size,
63 const char *boot_device,
64 const char *kernel_filename,
65 const char *kernel_cmdline,
66 const char *initrd_filename,
67 const char *cpu_model)
71 qemu_irq *pic, **heathrow_irqs;
73 ram_addr_t ram_offset, bios_offset;
74 uint32_t kernel_base, initrd_base;
75 int32_t kernel_size, initrd_size;
79 int pic_mem_index, nvram_mem_index, dbdma_mem_index, cuda_mem_index;
80 int escc_mem_index, ide_mem_index[2];
81 uint16_t ppc_boot_device;
82 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
86 linux_boot = (kernel_filename != NULL);
89 if (cpu_model == NULL)
91 for (i = 0; i < smp_cpus; i++) {
92 env = cpu_init(cpu_model);
94 fprintf(stderr, "Unable to find PowerPC CPU definition\n");
97 /* Set time-base frequency to 16.6 Mhz */
98 cpu_ppc_tb_init(env, 16600000UL);
99 qemu_register_reset((QEMUResetHandler*)&cpu_reset, env);
103 if (ram_size > (2047 << 20)) {
105 "qemu: Too much memory for this machine: %d MB, maximum 2047 MB\n",
106 ((unsigned int)ram_size / (1 << 20)));
110 ram_offset = qemu_ram_alloc(NULL, "ppc_heathrow.ram", ram_size);
111 cpu_register_physical_memory(0, ram_size, ram_offset);
113 /* allocate and load BIOS */
114 bios_offset = qemu_ram_alloc(NULL, "ppc_heathrow.bios", BIOS_SIZE);
115 if (bios_name == NULL)
116 bios_name = PROM_FILENAME;
117 filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
118 cpu_register_physical_memory(PROM_ADDR, BIOS_SIZE, bios_offset | IO_MEM_ROM);
120 /* Load OpenBIOS (ELF) */
122 bios_size = load_elf(filename, 0, NULL, NULL, NULL, NULL,
128 if (bios_size < 0 || bios_size > BIOS_SIZE) {
129 hw_error("qemu: could not load PowerPC bios '%s'\n", bios_name);
134 uint64_t lowaddr = 0;
142 kernel_base = KERNEL_LOAD_ADDR;
143 kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL,
144 NULL, &lowaddr, NULL, 1, ELF_MACHINE, 0);
146 kernel_size = load_aout(kernel_filename, kernel_base,
147 ram_size - kernel_base, bswap_needed,
150 kernel_size = load_image_targphys(kernel_filename,
152 ram_size - kernel_base);
153 if (kernel_size < 0) {
154 hw_error("qemu: could not load kernel '%s'\n",
159 if (initrd_filename) {
160 initrd_base = INITRD_LOAD_ADDR;
161 initrd_size = load_image_targphys(initrd_filename, initrd_base,
162 ram_size - initrd_base);
163 if (initrd_size < 0) {
164 hw_error("qemu: could not load initial ram disk '%s'\n",
172 ppc_boot_device = 'm';
178 ppc_boot_device = '\0';
179 for (i = 0; boot_device[i] != '\0'; i++) {
180 /* TOFIX: for now, the second IDE channel is not properly
181 * used by OHW. The Mac floppy disk are not emulated.
182 * For now, OHW cannot boot from the network.
185 if (boot_device[i] >= 'a' && boot_device[i] <= 'f') {
186 ppc_boot_device = boot_device[i];
190 if (boot_device[i] >= 'c' && boot_device[i] <= 'd') {
191 ppc_boot_device = boot_device[i];
196 if (ppc_boot_device == '\0') {
197 fprintf(stderr, "No valid boot device for G3 Beige machine\n");
202 isa_mem_base = 0x80000000;
204 /* Register 2 MB of ISA IO space */
205 isa_mmio_init(0xfe000000, 0x00200000, 1);
207 /* XXX: we register only 1 output pin for heathrow PIC */
208 heathrow_irqs = qemu_mallocz(smp_cpus * sizeof(qemu_irq *));
210 qemu_mallocz(smp_cpus * sizeof(qemu_irq) * 1);
211 /* Connect the heathrow PIC outputs to the 6xx bus */
212 for (i = 0; i < smp_cpus; i++) {
213 switch (PPC_INPUT(env)) {
214 case PPC_FLAGS_INPUT_6xx:
215 heathrow_irqs[i] = heathrow_irqs[0] + (i * 1);
216 heathrow_irqs[i][0] =
217 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
220 hw_error("Bus model not supported on OldWorld Mac machine\n");
224 /* init basic PC hardware */
225 if (PPC_INPUT(env) != PPC_FLAGS_INPUT_6xx) {
226 hw_error("Only 6xx bus is supported on heathrow machine\n");
228 pic = heathrow_pic_init(&pic_mem_index, 1, heathrow_irqs);
229 pci_bus = pci_grackle_init(0xfec00000, pic);
230 pci_vga_init(pci_bus, 0, 0);
232 escc_mem_index = escc_init(0x80013000, pic[0x0f], pic[0x10], serial_hds[0],
233 serial_hds[1], ESCC_CLOCK, 4);
235 for(i = 0; i < nb_nics; i++)
236 pci_nic_init_nofail(&nd_table[i], "ne2k_pci", NULL);
239 if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
240 fprintf(stderr, "qemu: too many IDE bus\n");
244 /* First IDE channel is a MAC IDE on the MacIO bus */
245 hd[0] = drive_get(IF_IDE, 0, 0);
246 hd[1] = drive_get(IF_IDE, 0, 1);
247 dbdma = DBDMA_init(&dbdma_mem_index);
248 ide_mem_index[0] = -1;
249 ide_mem_index[1] = pmac_ide_init(hd, pic[0x0D], dbdma, 0x16, pic[0x02]);
251 /* Second IDE channel is a CMD646 on the PCI bus */
252 hd[0] = drive_get(IF_IDE, 1, 0);
253 hd[1] = drive_get(IF_IDE, 1, 1);
254 hd[3] = hd[2] = NULL;
255 pci_cmd646_ide_init(pci_bus, hd, 0);
257 /* cuda also initialize ADB */
258 cuda_init(&cuda_mem_index, pic[0x12]);
260 adb_kbd_init(&adb_bus);
261 adb_mouse_init(&adb_bus);
263 nvr = macio_nvram_init(&nvram_mem_index, 0x2000, 4);
264 pmac_format_nvram_partition(nvr, 0x2000);
266 macio_init(pci_bus, PCI_DEVICE_ID_APPLE_343S1201, 1, pic_mem_index,
267 dbdma_mem_index, cuda_mem_index, nvr, 2, ide_mem_index,
271 usb_ohci_init_pci(pci_bus, -1);
274 if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8)
277 /* No PCI init: the BIOS will do it */
279 fw_cfg = fw_cfg_init(0, 0, CFG_ADDR, CFG_ADDR + 2);
280 fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
281 fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
282 fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, ARCH_HEATHROW);
283 fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
284 fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
285 if (kernel_cmdline) {
286 fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, CMDLINE_ADDR);
287 pstrcpy_targphys("cmdline", CMDLINE_ADDR, TARGET_PAGE_SIZE, kernel_cmdline);
289 fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
291 fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
292 fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
293 fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
295 fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
296 fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
297 fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
299 fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
304 fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, kvmppc_get_tbfreq());
305 hypercall = qemu_malloc(16);
306 kvmppc_get_hypercall(env, hypercall, 16);
307 fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
308 fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
311 fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, get_ticks_per_sec());
314 qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
317 static QEMUMachine heathrow_machine = {
319 .desc = "Heathrow based PowerMAC",
320 .init = ppc_heathrow_init,
321 .max_cpus = MAX_CPUS,
327 static void heathrow_machine_init(void)
329 qemu_register_machine(&heathrow_machine);
332 machine_init(heathrow_machine_init);