2 * QEMU PPC PREP hardware System Emulator
4 * Copyright (c) 2003-2007 Jocelyn Mayer
5 * Copyright (c) 2017 Hervé Poussineau
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 #include "qemu/osdep.h"
28 #include "hw/timer/m48t59.h"
29 #include "hw/i386/pc.h"
30 #include "hw/char/serial.h"
31 #include "hw/block/fdc.h"
33 #include "sysemu/sysemu.h"
34 #include "hw/isa/isa.h"
35 #include "hw/pci/pci.h"
36 #include "hw/pci/pci_host.h"
37 #include "hw/ppc/ppc.h"
38 #include "hw/boards.h"
39 #include "qemu/error-report.h"
42 #include "hw/loader.h"
43 #include "hw/timer/mc146818rtc.h"
44 #include "hw/isa/pc87312.h"
45 #include "sysemu/block-backend.h"
46 #include "sysemu/arch_init.h"
47 #include "sysemu/kvm.h"
48 #include "sysemu/qtest.h"
49 #include "exec/address-spaces.h"
52 #include "qemu/cutils.h"
55 /* SMP is not enabled, for now */
60 #define CFG_ADDR 0xf0000510
62 #define BIOS_SIZE (1024 * 1024)
63 #define BIOS_FILENAME "ppc_rom.bin"
64 #define KERNEL_LOAD_ADDR 0x01000000
65 #define INITRD_LOAD_ADDR 0x01800000
67 /* Constants for devices init */
68 static const int ide_iobase[2] = { 0x1f0, 0x170 };
69 static const int ide_iobase2[2] = { 0x3f6, 0x376 };
70 static const int ide_irq[2] = { 13, 13 };
72 #define NE2000_NB_MAX 6
74 static uint32_t ne2000_io[NE2000_NB_MAX] = { 0x300, 0x320, 0x340, 0x360, 0x280, 0x380 };
75 static int ne2000_irq[NE2000_NB_MAX] = { 9, 10, 11, 3, 4, 5 };
77 /* ISA IO ports bridge */
78 #define PPC_IO_BASE 0x80000000
80 /* PowerPC control and status registers */
86 /* Control and status */
91 /* General purpose registers */
104 /* Error diagnostic */
107 static void PPC_XCSR_writeb (void *opaque,
108 hwaddr addr, uint32_t value)
110 printf("%s: 0x" TARGET_FMT_plx " => 0x%08" PRIx32 "\n", __func__, addr,
114 static void PPC_XCSR_writew (void *opaque,
115 hwaddr addr, uint32_t value)
117 printf("%s: 0x" TARGET_FMT_plx " => 0x%08" PRIx32 "\n", __func__, addr,
121 static void PPC_XCSR_writel (void *opaque,
122 hwaddr addr, uint32_t value)
124 printf("%s: 0x" TARGET_FMT_plx " => 0x%08" PRIx32 "\n", __func__, addr,
128 static uint32_t PPC_XCSR_readb (void *opaque, hwaddr addr)
132 printf("%s: 0x" TARGET_FMT_plx " <= %08" PRIx32 "\n", __func__, addr,
138 static uint32_t PPC_XCSR_readw (void *opaque, hwaddr addr)
142 printf("%s: 0x" TARGET_FMT_plx " <= %08" PRIx32 "\n", __func__, addr,
148 static uint32_t PPC_XCSR_readl (void *opaque, hwaddr addr)
152 printf("%s: 0x" TARGET_FMT_plx " <= %08" PRIx32 "\n", __func__, addr,
158 static const MemoryRegionOps PPC_XCSR_ops = {
160 .read = { PPC_XCSR_readb, PPC_XCSR_readw, PPC_XCSR_readl, },
161 .write = { PPC_XCSR_writeb, PPC_XCSR_writew, PPC_XCSR_writel, },
163 .endianness = DEVICE_LITTLE_ENDIAN,
168 /* Fake super-io ports for PREP platform (Intel 82378ZB) */
169 typedef struct sysctrl_t {
175 qemu_irq contiguous_map_irq;
180 STATE_HARDFILE = 0x01,
183 static sysctrl_t *sysctrl;
185 static void PREP_io_800_writeb (void *opaque, uint32_t addr, uint32_t val)
187 sysctrl_t *sysctrl = opaque;
189 trace_prep_io_800_writeb(addr - PPC_IO_BASE, val);
192 /* Special port 92 */
193 /* Check soft reset asked */
195 qemu_irq_raise(sysctrl->reset_irq);
197 qemu_irq_lower(sysctrl->reset_irq);
207 /* Motorola CPU configuration register : read-only */
210 /* Motorola base module feature register : read-only */
213 /* Motorola base module status register : read-only */
216 /* Hardfile light register */
218 sysctrl->state |= STATE_HARDFILE;
220 sysctrl->state &= ~STATE_HARDFILE;
223 /* Password protect 1 register */
224 if (sysctrl->nvram != NULL) {
225 NvramClass *k = NVRAM_GET_CLASS(sysctrl->nvram);
226 (k->toggle_lock)(sysctrl->nvram, 1);
230 /* Password protect 2 register */
231 if (sysctrl->nvram != NULL) {
232 NvramClass *k = NVRAM_GET_CLASS(sysctrl->nvram);
233 (k->toggle_lock)(sysctrl->nvram, 2);
237 /* L2 invalidate register */
238 // tlb_flush(first_cpu, 1);
241 /* system control register */
242 sysctrl->syscontrol = val & 0x0F;
245 /* I/O map type register */
246 sysctrl->contiguous_map = val & 0x01;
247 qemu_set_irq(sysctrl->contiguous_map_irq, sysctrl->contiguous_map);
250 printf("ERROR: unaffected IO port write: %04" PRIx32
251 " => %02" PRIx32"\n", addr, val);
256 static uint32_t PREP_io_800_readb (void *opaque, uint32_t addr)
258 sysctrl_t *sysctrl = opaque;
259 uint32_t retval = 0xFF;
263 /* Special port 92 */
264 retval = sysctrl->endian << 1;
267 /* Motorola CPU configuration register */
268 retval = 0xEF; /* MPC750 */
271 /* Motorola Base module feature register */
272 retval = 0xAD; /* No ESCC, PMC slot neither ethernet */
275 /* Motorola base module status register */
276 retval = 0xE0; /* Standard MPC750 */
279 /* Equipment present register:
281 * no upgrade processor
282 * no cards in PCI slots
288 /* Motorola base module extended feature register */
289 retval = 0x39; /* No USB, CF and PCI bridge. NVRAM present */
292 /* L2 invalidate: don't care */
299 /* system control register
300 * 7 - 6 / 1 - 0: L2 cache enable
302 retval = sysctrl->syscontrol;
306 retval = 0x03; /* no L2 cache */
309 /* I/O map type register */
310 retval = sysctrl->contiguous_map;
313 printf("ERROR: unaffected IO port: %04" PRIx32 " read\n", addr);
316 trace_prep_io_800_readb(addr - PPC_IO_BASE, retval);
322 #define NVRAM_SIZE 0x2000
324 static void fw_cfg_boot_set(void *opaque, const char *boot_device,
327 fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
330 static void ppc_prep_reset(void *opaque)
332 PowerPCCPU *cpu = opaque;
337 static const MemoryRegionPortio prep_portio_list[] = {
338 /* System control ports */
339 { 0x0092, 1, 1, .read = PREP_io_800_readb, .write = PREP_io_800_writeb, },
341 .read = PREP_io_800_readb, .write = PREP_io_800_writeb, },
342 /* Special port to get debug messages from Open-Firmware */
343 { 0x0F00, 4, 1, .write = PPC_debug_write, },
344 PORTIO_END_OF_LIST(),
347 static PortioList prep_port_list;
349 /*****************************************************************************/
351 static inline uint32_t nvram_read(Nvram *nvram, uint32_t addr)
353 NvramClass *k = NVRAM_GET_CLASS(nvram);
354 return (k->read)(nvram, addr);
357 static inline void nvram_write(Nvram *nvram, uint32_t addr, uint32_t val)
359 NvramClass *k = NVRAM_GET_CLASS(nvram);
360 (k->write)(nvram, addr, val);
363 static void NVRAM_set_byte(Nvram *nvram, uint32_t addr, uint8_t value)
365 nvram_write(nvram, addr, value);
368 static uint8_t NVRAM_get_byte(Nvram *nvram, uint32_t addr)
370 return nvram_read(nvram, addr);
373 static void NVRAM_set_word(Nvram *nvram, uint32_t addr, uint16_t value)
375 nvram_write(nvram, addr, value >> 8);
376 nvram_write(nvram, addr + 1, value & 0xFF);
379 static uint16_t NVRAM_get_word(Nvram *nvram, uint32_t addr)
383 tmp = nvram_read(nvram, addr) << 8;
384 tmp |= nvram_read(nvram, addr + 1);
389 static void NVRAM_set_lword(Nvram *nvram, uint32_t addr, uint32_t value)
391 nvram_write(nvram, addr, value >> 24);
392 nvram_write(nvram, addr + 1, (value >> 16) & 0xFF);
393 nvram_write(nvram, addr + 2, (value >> 8) & 0xFF);
394 nvram_write(nvram, addr + 3, value & 0xFF);
397 static void NVRAM_set_string(Nvram *nvram, uint32_t addr, const char *str,
402 for (i = 0; i < max && str[i] != '\0'; i++) {
403 nvram_write(nvram, addr + i, str[i]);
405 nvram_write(nvram, addr + i, str[i]);
406 nvram_write(nvram, addr + max - 1, '\0');
409 static uint16_t NVRAM_crc_update (uint16_t prev, uint16_t value)
412 uint16_t pd, pd1, pd2;
417 pd2 = ((pd >> 4) & 0x000F) ^ pd1;
418 tmp ^= (pd1 << 3) | (pd1 << 8);
419 tmp ^= pd2 | (pd2 << 7) | (pd2 << 12);
424 static uint16_t NVRAM_compute_crc (Nvram *nvram, uint32_t start, uint32_t count)
427 uint16_t crc = 0xFFFF;
432 for (i = 0; i != count; i++) {
433 crc = NVRAM_crc_update(crc, NVRAM_get_word(nvram, start + i));
436 crc = NVRAM_crc_update(crc, NVRAM_get_byte(nvram, start + i) << 8);
442 #define CMDLINE_ADDR 0x017ff000
444 static int PPC_NVRAM_set_params (Nvram *nvram, uint16_t NVRAM_size,
446 uint32_t RAM_size, int boot_device,
447 uint32_t kernel_image, uint32_t kernel_size,
449 uint32_t initrd_image, uint32_t initrd_size,
450 uint32_t NVRAM_image,
451 int width, int height, int depth)
455 /* Set parameters for Open Hack'Ware BIOS */
456 NVRAM_set_string(nvram, 0x00, "QEMU_BIOS", 16);
457 NVRAM_set_lword(nvram, 0x10, 0x00000002); /* structure v2 */
458 NVRAM_set_word(nvram, 0x14, NVRAM_size);
459 NVRAM_set_string(nvram, 0x20, arch, 16);
460 NVRAM_set_lword(nvram, 0x30, RAM_size);
461 NVRAM_set_byte(nvram, 0x34, boot_device);
462 NVRAM_set_lword(nvram, 0x38, kernel_image);
463 NVRAM_set_lword(nvram, 0x3C, kernel_size);
465 /* XXX: put the cmdline in NVRAM too ? */
466 pstrcpy_targphys("cmdline", CMDLINE_ADDR, RAM_size - CMDLINE_ADDR,
468 NVRAM_set_lword(nvram, 0x40, CMDLINE_ADDR);
469 NVRAM_set_lword(nvram, 0x44, strlen(cmdline));
471 NVRAM_set_lword(nvram, 0x40, 0);
472 NVRAM_set_lword(nvram, 0x44, 0);
474 NVRAM_set_lword(nvram, 0x48, initrd_image);
475 NVRAM_set_lword(nvram, 0x4C, initrd_size);
476 NVRAM_set_lword(nvram, 0x50, NVRAM_image);
478 NVRAM_set_word(nvram, 0x54, width);
479 NVRAM_set_word(nvram, 0x56, height);
480 NVRAM_set_word(nvram, 0x58, depth);
481 crc = NVRAM_compute_crc(nvram, 0x00, 0xF8);
482 NVRAM_set_word(nvram, 0xFC, crc);
487 /* PowerPC PREP hardware initialisation */
488 static void ppc_prep_init(MachineState *machine)
490 ram_addr_t ram_size = machine->ram_size;
491 const char *kernel_filename = machine->kernel_filename;
492 const char *kernel_cmdline = machine->kernel_cmdline;
493 const char *initrd_filename = machine->initrd_filename;
494 const char *boot_device = machine->boot_order;
495 MemoryRegion *sysmem = get_system_memory();
496 PowerPCCPU *cpu = NULL;
497 CPUPPCState *env = NULL;
500 MemoryRegion *xcsr = g_new(MemoryRegion, 1);
502 int linux_boot, i, nb_nics1;
503 MemoryRegion *ram = g_new(MemoryRegion, 1);
504 uint32_t kernel_base, initrd_base;
505 long kernel_size, initrd_size;
507 PCIHostState *pcihost;
513 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
515 sysctrl = g_malloc0(sizeof(sysctrl_t));
517 linux_boot = (kernel_filename != NULL);
520 if (machine->cpu_model == NULL)
521 machine->cpu_model = "602";
522 for (i = 0; i < smp_cpus; i++) {
523 cpu = cpu_ppc_init(machine->cpu_model);
525 fprintf(stderr, "Unable to find PowerPC CPU definition\n");
530 if (env->flags & POWERPC_FLAG_RTC_CLK) {
531 /* POWER / PowerPC 601 RTC clock frequency is 7.8125 MHz */
532 cpu_ppc_tb_init(env, 7812500UL);
534 /* Set time-base frequency to 100 Mhz */
535 cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL);
537 qemu_register_reset(ppc_prep_reset, cpu);
541 memory_region_allocate_system_memory(ram, NULL, "ppc_prep.ram", ram_size);
542 memory_region_add_subregion(sysmem, 0, ram);
545 kernel_base = KERNEL_LOAD_ADDR;
546 /* now we can load the kernel */
547 kernel_size = load_image_targphys(kernel_filename, kernel_base,
548 ram_size - kernel_base);
549 if (kernel_size < 0) {
550 error_report("could not load kernel '%s'", kernel_filename);
554 if (initrd_filename) {
555 initrd_base = INITRD_LOAD_ADDR;
556 initrd_size = load_image_targphys(initrd_filename, initrd_base,
557 ram_size - initrd_base);
558 if (initrd_size < 0) {
559 error_report("could not load initial ram disk '%s'",
567 ppc_boot_device = 'm';
573 ppc_boot_device = '\0';
574 /* For now, OHW cannot boot from the network. */
575 for (i = 0; boot_device[i] != '\0'; i++) {
576 if (boot_device[i] >= 'a' && boot_device[i] <= 'f') {
577 ppc_boot_device = boot_device[i];
581 if (ppc_boot_device == '\0') {
582 fprintf(stderr, "No valid boot device for Mac99 machine\n");
587 if (PPC_INPUT(env) != PPC_FLAGS_INPUT_6xx) {
588 error_report("Only 6xx bus is supported on PREP machine");
592 dev = qdev_create(NULL, "raven-pcihost");
593 if (bios_name == NULL) {
594 bios_name = BIOS_FILENAME;
596 qdev_prop_set_string(dev, "bios-name", bios_name);
597 qdev_prop_set_uint32(dev, "elf-machine", PPC_ELF_MACHINE);
598 pcihost = PCI_HOST_BRIDGE(dev);
599 object_property_add_child(qdev_get_machine(), "raven", OBJECT(dev), NULL);
600 qdev_init_nofail(dev);
601 pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci.0");
602 if (pci_bus == NULL) {
603 fprintf(stderr, "Couldn't create PCI host controller.\n");
606 sysctrl->contiguous_map_irq = qdev_get_gpio_in(dev, 0);
608 /* PCI -> ISA bridge */
609 pci = pci_create_simple(pci_bus, PCI_DEVFN(1, 0), "i82378");
610 cpu = POWERPC_CPU(first_cpu);
611 qdev_connect_gpio_out(&pci->qdev, 0,
612 cpu->env.irq_inputs[PPC6xx_INPUT_INT]);
613 sysbus_connect_irq(&pcihost->busdev, 0, qdev_get_gpio_in(&pci->qdev, 9));
614 sysbus_connect_irq(&pcihost->busdev, 1, qdev_get_gpio_in(&pci->qdev, 11));
615 sysbus_connect_irq(&pcihost->busdev, 2, qdev_get_gpio_in(&pci->qdev, 9));
616 sysbus_connect_irq(&pcihost->busdev, 3, qdev_get_gpio_in(&pci->qdev, 11));
617 isa_bus = ISA_BUS(qdev_get_child_bus(DEVICE(pci), "isa.0"));
619 /* Super I/O (parallel + serial ports) */
620 isa = isa_create(isa_bus, TYPE_PC87312);
622 qdev_prop_set_uint8(dev, "config", 13); /* fdc, ser0, ser1, par0 */
623 qdev_init_nofail(dev);
625 /* init basic PC hardware */
626 pci_vga_init(pci_bus);
629 if (nb_nics1 > NE2000_NB_MAX)
630 nb_nics1 = NE2000_NB_MAX;
631 for(i = 0; i < nb_nics1; i++) {
632 if (nd_table[i].model == NULL) {
633 nd_table[i].model = g_strdup("ne2k_isa");
635 if (strcmp(nd_table[i].model, "ne2k_isa") == 0) {
636 isa_ne2000_init(isa_bus, ne2000_io[i], ne2000_irq[i],
639 pci_nic_init_nofail(&nd_table[i], pci_bus, "ne2k_pci", NULL);
643 ide_drive_get(hd, ARRAY_SIZE(hd));
644 for(i = 0; i < MAX_IDE_BUS; i++) {
645 isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], ide_irq[i],
649 isa_create_simple(isa_bus, "i8042");
651 cpu = POWERPC_CPU(first_cpu);
652 sysctrl->reset_irq = cpu->env.irq_inputs[PPC6xx_INPUT_HRESET];
654 portio_list_init(&prep_port_list, NULL, prep_portio_list, sysctrl, "prep");
655 portio_list_add(&prep_port_list, isa_address_space_io(isa), 0x0);
657 /* PowerPC control and status register group */
659 memory_region_init_io(xcsr, NULL, &PPC_XCSR_ops, NULL, "ppc-xcsr", 0x1000);
660 memory_region_add_subregion(sysmem, 0xFEFF0000, xcsr);
663 if (machine_usb(machine)) {
664 pci_create_simple(pci_bus, -1, "pci-ohci");
667 m48t59 = m48t59_init_isa(isa_bus, 0x0074, NVRAM_SIZE, 2000, 59);
670 sysctrl->nvram = m48t59;
672 /* Initialise NVRAM */
673 PPC_NVRAM_set_params(m48t59, NVRAM_SIZE, "PREP", ram_size,
675 kernel_base, kernel_size,
677 initrd_base, initrd_size,
678 /* XXX: need an option to load a NVRAM image */
680 graphic_width, graphic_height, graphic_depth);
683 static void prep_machine_init(MachineClass *mc)
685 mc->desc = "PowerPC PREP platform";
686 mc->init = ppc_prep_init;
687 mc->block_default_type = IF_IDE;
688 mc->max_cpus = MAX_CPUS;
689 mc->default_boot_order = "cad";
692 static int prep_set_cmos_checksum(DeviceState *dev, void *opaque)
694 uint16_t checksum = *(uint16_t *)opaque;
697 if (object_dynamic_cast(OBJECT(dev), "mc146818rtc")) {
698 rtc = ISA_DEVICE(dev);
699 rtc_set_memory(rtc, 0x2e, checksum & 0xff);
700 rtc_set_memory(rtc, 0x3e, checksum & 0xff);
701 rtc_set_memory(rtc, 0x2f, checksum >> 8);
702 rtc_set_memory(rtc, 0x3f, checksum >> 8);
707 static void ibm_40p_init(MachineState *machine)
709 CPUPPCState *env = NULL;
710 uint16_t cmos_checksum;
713 SysBusDevice *pcihost;
714 Nvram *m48t59 = NULL;
719 uint32_t kernel_base = 0, initrd_base = 0;
720 long kernel_size = 0, initrd_size = 0;
724 if (!machine->cpu_model) {
725 machine->cpu_model = "604";
727 cpu = cpu_ppc_init(machine->cpu_model);
729 error_report("could not initialize CPU '%s'",
734 if (PPC_INPUT(env) != PPC_FLAGS_INPUT_6xx) {
735 error_report("only 6xx bus is supported on this machine");
739 if (env->flags & POWERPC_FLAG_RTC_CLK) {
740 /* POWER / PowerPC 601 RTC clock frequency is 7.8125 MHz */
741 cpu_ppc_tb_init(env, 7812500UL);
743 /* Set time-base frequency to 100 Mhz */
744 cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL);
746 qemu_register_reset(ppc_prep_reset, cpu);
749 dev = qdev_create(NULL, "raven-pcihost");
751 bios_name = BIOS_FILENAME;
753 qdev_prop_set_string(dev, "bios-name", bios_name);
754 qdev_prop_set_uint32(dev, "elf-machine", PPC_ELF_MACHINE);
755 pcihost = SYS_BUS_DEVICE(dev);
756 object_property_add_child(qdev_get_machine(), "raven", OBJECT(dev), NULL);
757 qdev_init_nofail(dev);
758 pci_bus = PCI_BUS(qdev_get_child_bus(dev, "pci.0"));
760 error_report("could not create PCI host controller");
764 /* PCI -> ISA bridge */
765 dev = DEVICE(pci_create_simple(pci_bus, PCI_DEVFN(11, 0), "i82378"));
766 qdev_connect_gpio_out(dev, 0,
767 cpu->env.irq_inputs[PPC6xx_INPUT_INT]);
768 sysbus_connect_irq(pcihost, 0, qdev_get_gpio_in(dev, 15));
769 sysbus_connect_irq(pcihost, 1, qdev_get_gpio_in(dev, 13));
770 sysbus_connect_irq(pcihost, 2, qdev_get_gpio_in(dev, 15));
771 sysbus_connect_irq(pcihost, 3, qdev_get_gpio_in(dev, 13));
772 isa_bus = ISA_BUS(qdev_get_child_bus(dev, "isa.0"));
774 /* Memory controller */
775 dev = DEVICE(isa_create(isa_bus, "rs6000-mc"));
776 qdev_prop_set_uint32(dev, "ram-size", machine->ram_size);
777 qdev_init_nofail(dev);
779 /* initialize CMOS checksums */
780 cmos_checksum = 0x6aa9;
781 qbus_walk_children(BUS(isa_bus), prep_set_cmos_checksum, NULL, NULL, NULL,
784 /* initialize audio subsystem */
787 /* add some more devices */
788 if (defaults_enabled()) {
789 isa_create_simple(isa_bus, "i8042");
790 m48t59 = NVRAM(isa_create_simple(isa_bus, "isa-m48t59"));
792 dev = DEVICE(isa_create(isa_bus, "cs4231a"));
793 qdev_prop_set_uint32(dev, "iobase", 0x830);
794 qdev_prop_set_uint32(dev, "irq", 10);
795 qdev_init_nofail(dev);
797 dev = DEVICE(isa_create(isa_bus, "pc87312"));
798 qdev_prop_set_uint32(dev, "config", 12);
799 qdev_init_nofail(dev);
801 dev = DEVICE(isa_create(isa_bus, "prep-systemio"));
802 qdev_prop_set_uint32(dev, "ibm-planar-id", 0xfc);
803 qdev_prop_set_uint32(dev, "equipment", 0xc0);
804 qdev_init_nofail(dev);
806 pci_create_simple(pci_bus, PCI_DEVFN(1, 0), "lsi53c810");
808 /* XXX: s3-trio at PCI_DEVFN(2, 0) */
809 pci_vga_init(pci_bus);
811 for (i = 0; i < nb_nics; i++) {
812 pci_nic_init_nofail(&nd_table[i], pci_bus, "pcnet",
813 i == 0 ? "3" : NULL);
817 /* Prepare firmware configuration for OpenBIOS */
818 fw_cfg = fw_cfg_init_mem(CFG_ADDR, CFG_ADDR + 2);
820 if (machine->kernel_filename) {
822 kernel_base = KERNEL_LOAD_ADDR;
823 kernel_size = load_image_targphys(machine->kernel_filename,
825 machine->ram_size - kernel_base);
826 if (kernel_size < 0) {
827 error_report("could not load kernel '%s'",
828 machine->kernel_filename);
831 fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
832 fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
834 if (machine->initrd_filename) {
835 initrd_base = INITRD_LOAD_ADDR;
836 initrd_size = load_image_targphys(machine->initrd_filename,
838 machine->ram_size - initrd_base);
839 if (initrd_size < 0) {
840 error_report("could not load initial ram disk '%s'",
841 machine->initrd_filename);
844 fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
845 fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
847 if (machine->kernel_cmdline && *machine->kernel_cmdline) {
848 fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, CMDLINE_ADDR);
849 pstrcpy_targphys("cmdline", CMDLINE_ADDR, TARGET_PAGE_SIZE,
850 machine->kernel_cmdline);
851 fw_cfg_add_string(fw_cfg, FW_CFG_CMDLINE_DATA,
852 machine->kernel_cmdline);
853 fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE,
854 strlen(machine->kernel_cmdline) + 1);
858 boot_device = machine->boot_order[0];
861 fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
862 fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)machine->ram_size);
863 fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, ARCH_PREP);
865 fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
866 fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
867 fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
869 fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
874 fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, kvmppc_get_tbfreq());
875 hypercall = g_malloc(16);
876 kvmppc_get_hypercall(env, hypercall, 16);
877 fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
878 fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
881 fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, NANOSECONDS_PER_SECOND);
883 fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, boot_device);
884 qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
886 /* Prepare firmware configuration for Open Hack'Ware */
888 PPC_NVRAM_set_params(m48t59, NVRAM_SIZE, "PREP", ram_size,
890 kernel_base, kernel_size,
891 machine->kernel_cmdline,
892 initrd_base, initrd_size,
893 /* XXX: need an option to load a NVRAM image */
895 graphic_width, graphic_height, graphic_depth);
899 static void ibm_40p_machine_init(MachineClass *mc)
901 mc->desc = "IBM RS/6000 7020 (40p)",
902 mc->init = ibm_40p_init;
904 mc->pci_allow_0_address = true;
905 mc->default_ram_size = 128 * M_BYTE;
906 mc->block_default_type = IF_SCSI;
907 mc->default_boot_order = "c";
910 DEFINE_MACHINE("40p", ibm_40p_machine_init)
911 DEFINE_MACHINE("prep", prep_machine_init)