/* * QEMU OldWorld PowerMac (currently ~G3 Beige) hardware System Emulator * * Copyright (c) 2004-2007 Fabrice Bellard * Copyright (c) 2007 Jocelyn Mayer * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #include "qemu/osdep.h" #include "qemu/datadir.h" #include "qemu/units.h" #include "qapi/error.h" #include "hw/ppc/ppc.h" #include "hw/qdev-properties.h" #include "hw/boards.h" #include "hw/input/adb.h" #include "sysemu/sysemu.h" #include "net/net.h" #include "hw/isa/isa.h" #include "hw/pci/pci.h" #include "hw/pci/pci_host.h" #include "hw/pci-host/grackle.h" #include "hw/nvram/fw_cfg.h" #include "hw/char/escc.h" #include "hw/misc/macio/macio.h" #include "hw/loader.h" #include "hw/fw-path-provider.h" #include "elf.h" #include "qemu/error-report.h" #include "sysemu/kvm.h" #include "sysemu/reset.h" #include "kvm_ppc.h" #define MAX_IDE_BUS 2 #define CFG_ADDR 0xf0000510 #define TBFREQ 16600000UL #define CLOCKFREQ 266000000UL #define BUSFREQ 66000000UL #define NDRV_VGA_FILENAME "qemu_vga.ndrv" #define PROM_FILENAME "openbios-ppc" #define PROM_BASE 0xffc00000 #define PROM_SIZE (4 * MiB) #define KERNEL_LOAD_ADDR 0x01000000 #define KERNEL_GAP 0x00100000 #define GRACKLE_BASE 0xfec00000 static void fw_cfg_boot_set(void *opaque, const char *boot_device, Error **errp) { fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]); } static uint64_t translate_kernel_address(void *opaque, uint64_t addr) { return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR; } static void ppc_heathrow_reset(void *opaque) { PowerPCCPU *cpu = opaque; cpu_ppc_tb_reset(&cpu->env); cpu_reset(CPU(cpu)); } static void ppc_heathrow_init(MachineState *machine) { const char *bios_name = machine->firmware ?: PROM_FILENAME; MachineClass *mc = MACHINE_GET_CLASS(machine); PowerPCCPU *cpu = NULL; CPUPPCState *env = NULL; char *filename; int i, bios_size = -1; MemoryRegion *bios = g_new(MemoryRegion, 1); uint64_t bios_addr; uint32_t kernel_base = 0, initrd_base = 0, cmdline_base = 0; int32_t kernel_size = 0, initrd_size = 0; PCIBus *pci_bus; Object *macio; MACIOIDEState *macio_ide; SysBusDevice *s; DeviceState *dev, *pic_dev, *grackle_dev; BusState *adb_bus; uint16_t ppc_boot_device; DriveInfo *dinfo, *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; void *fw_cfg; uint64_t tbfreq = kvm_enabled() ? kvmppc_get_tbfreq() : TBFREQ; /* init CPUs */ for (i = 0; i < machine->smp.cpus; i++) { cpu = POWERPC_CPU(cpu_create(machine->cpu_type)); env = &cpu->env; /* Set time-base frequency to 16.6 Mhz */ cpu_ppc_tb_init(env, TBFREQ); qemu_register_reset(ppc_heathrow_reset, cpu); } /* allocate RAM */ if (machine->ram_size > 2047 * MiB) { error_report("Too much memory for this machine: %" PRId64 " MB, " "maximum 2047 MB", machine->ram_size / MiB); exit(1); } memory_region_add_subregion(get_system_memory(), 0, machine->ram); /* allocate and load firmware ROM */ memory_region_init_rom(bios, NULL, "ppc_heathrow.bios", PROM_SIZE, &error_fatal); memory_region_add_subregion(get_system_memory(), PROM_BASE, bios); filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); if (filename) { /* Load OpenBIOS (ELF) */ bios_size = load_elf(filename, NULL, NULL, NULL, NULL, &bios_addr, NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0); /* Unfortunately, load_elf sign-extends reading elf32 */ bios_addr = (uint32_t)bios_addr; if (bios_size <= 0) { /* or if could not load ELF try loading a binary ROM image */ bios_size = load_image_targphys(filename, PROM_BASE, PROM_SIZE); bios_addr = PROM_BASE; } g_free(filename); } if (bios_size < 0 || bios_addr - PROM_BASE + bios_size > PROM_SIZE) { error_report("could not load PowerPC bios '%s'", bios_name); exit(1); } if (machine->kernel_filename) { int bswap_needed = 0; #ifdef BSWAP_NEEDED bswap_needed = 1; #endif kernel_base = KERNEL_LOAD_ADDR; kernel_size = load_elf(machine->kernel_filename, NULL, translate_kernel_address, NULL, NULL, NULL, NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0); if (kernel_size < 0) { kernel_size = load_aout(machine->kernel_filename, kernel_base, machine->ram_size - kernel_base, bswap_needed, TARGET_PAGE_SIZE); } if (kernel_size < 0) { kernel_size = load_image_targphys(machine->kernel_filename, kernel_base, machine->ram_size - kernel_base); } if (kernel_size < 0) { error_report("could not load kernel '%s'", machine->kernel_filename); exit(1); } /* load initrd */ if (machine->initrd_filename) { initrd_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP); initrd_size = load_image_targphys(machine->initrd_filename, initrd_base, machine->ram_size - initrd_base); if (initrd_size < 0) { error_report("could not load initial ram disk '%s'", machine->initrd_filename); exit(1); } cmdline_base = TARGET_PAGE_ALIGN(initrd_base + initrd_size); } else { cmdline_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP); } ppc_boot_device = 'm'; } else { ppc_boot_device = '\0'; for (i = 0; machine->boot_config.order[i] != '\0'; i++) { /* * TOFIX: for now, the second IDE channel is not properly * used by OHW. The Mac floppy disk are not emulated. * For now, OHW cannot boot from the network. */ #if 0 if (machine->boot_config.order[i] >= 'a' && machine->boot_config.order[i] <= 'f') { ppc_boot_device = machine->boot_config.order[i]; break; } #else if (machine->boot_config.order[i] >= 'c' && machine->boot_config.order[i] <= 'd') { ppc_boot_device = machine->boot_config.order[i]; break; } #endif } if (ppc_boot_device == '\0') { error_report("No valid boot device for G3 Beige machine"); exit(1); } } /* Grackle PCI host bridge */ grackle_dev = qdev_new(TYPE_GRACKLE_PCI_HOST_BRIDGE); qdev_prop_set_uint32(grackle_dev, "ofw-addr", 0x80000000); s = SYS_BUS_DEVICE(grackle_dev); sysbus_realize_and_unref(s, &error_fatal); sysbus_mmio_map(s, 0, GRACKLE_BASE); sysbus_mmio_map(s, 1, GRACKLE_BASE + 0x200000); /* PCI hole */ memory_region_add_subregion(get_system_memory(), 0x80000000ULL, sysbus_mmio_get_region(s, 2)); /* Register 2 MB of ISA IO space */ memory_region_add_subregion(get_system_memory(), 0xfe000000, sysbus_mmio_get_region(s, 3)); pci_bus = PCI_HOST_BRIDGE(grackle_dev)->bus; /* MacIO */ macio = OBJECT(pci_new(PCI_DEVFN(16, 0), TYPE_OLDWORLD_MACIO)); qdev_prop_set_uint64(DEVICE(macio), "frequency", tbfreq); dev = DEVICE(object_resolve_path_component(macio, "escc")); qdev_prop_set_chr(dev, "chrA", serial_hd(0)); qdev_prop_set_chr(dev, "chrB", serial_hd(1)); dinfo = drive_get(IF_MTD, 0, 0); if (dinfo) { dev = DEVICE(object_resolve_path_component(macio, "nvram")); qdev_prop_set_drive(dev, "drive", blk_by_legacy_dinfo(dinfo)); } pci_realize_and_unref(PCI_DEVICE(macio), pci_bus, &error_fatal); pic_dev = DEVICE(object_resolve_path_component(macio, "pic")); for (i = 0; i < 4; i++) { qdev_connect_gpio_out(grackle_dev, i, qdev_get_gpio_in(pic_dev, 0x15 + i)); } /* Connect the heathrow PIC outputs to the 6xx bus */ for (i = 0; i < machine->smp.cpus; i++) { switch (PPC_INPUT(env)) { case PPC_FLAGS_INPUT_6xx: /* XXX: we register only 1 output pin for heathrow PIC */ qdev_connect_gpio_out(pic_dev, 0, qdev_get_gpio_in(DEVICE(cpu), PPC6xx_INPUT_INT)); break; default: error_report("Bus model not supported on OldWorld Mac machine"); exit(1); } } pci_vga_init(pci_bus); pci_init_nic_devices(pci_bus, mc->default_nic); /* MacIO IDE */ ide_drive_get(hd, ARRAY_SIZE(hd)); macio_ide = MACIO_IDE(object_resolve_path_component(macio, "ide[0]")); macio_ide_init_drives(macio_ide, hd); macio_ide = MACIO_IDE(object_resolve_path_component(macio, "ide[1]")); macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]); /* MacIO CUDA/ADB */ dev = DEVICE(object_resolve_path_component(macio, "cuda")); adb_bus = qdev_get_child_bus(dev, "adb.0"); dev = qdev_new(TYPE_ADB_KEYBOARD); qdev_realize_and_unref(dev, adb_bus, &error_fatal); dev = qdev_new(TYPE_ADB_MOUSE); qdev_realize_and_unref(dev, adb_bus, &error_fatal); if (machine_usb(machine)) { pci_create_simple(pci_bus, -1, "pci-ohci"); } if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8) { graphic_depth = 15; } /* No PCI init: the BIOS will do it */ dev = qdev_new(TYPE_FW_CFG_MEM); fw_cfg = FW_CFG(dev); qdev_prop_set_uint32(dev, "data_width", 1); qdev_prop_set_bit(dev, "dma_enabled", false); object_property_add_child(OBJECT(machine), TYPE_FW_CFG, OBJECT(fw_cfg)); s = SYS_BUS_DEVICE(dev); sysbus_realize_and_unref(s, &error_fatal); sysbus_mmio_map(s, 0, CFG_ADDR); sysbus_mmio_map(s, 1, CFG_ADDR + 2); fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)machine->smp.cpus); fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)machine->smp.max_cpus); fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)machine->ram_size); fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, ARCH_HEATHROW); fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base); fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size); if (machine->kernel_cmdline) { fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base); pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, machine->kernel_cmdline); } else { fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0); } fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base); fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size); fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device); fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width); fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height); fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth); fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled()); if (kvm_enabled()) { uint8_t *hypercall; hypercall = g_malloc(16); kvmppc_get_hypercall(env, hypercall, 16); fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16); fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid()); } fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq); /* Mac OS X requires a "known good" clock-frequency value; pass it one. */ fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ); fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ); /* MacOS NDRV VGA driver */ filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, NDRV_VGA_FILENAME); if (filename) { gchar *ndrv_file; gsize ndrv_size; if (g_file_get_contents(filename, &ndrv_file, &ndrv_size, NULL)) { fw_cfg_add_file(fw_cfg, "ndrv/qemu_vga.ndrv", ndrv_file, ndrv_size); } g_free(filename); } qemu_register_boot_set(fw_cfg_boot_set, fw_cfg); } /* * Implementation of an interface to adjust firmware path * for the bootindex property handling. */ static char *heathrow_fw_dev_path(FWPathProvider *p, BusState *bus, DeviceState *dev) { PCIDevice *pci; MACIOIDEState *macio_ide; if (!strcmp(object_get_typename(OBJECT(dev)), "macio-oldworld")) { pci = PCI_DEVICE(dev); return g_strdup_printf("mac-io@%x", PCI_SLOT(pci->devfn)); } if (!strcmp(object_get_typename(OBJECT(dev)), "macio-ide")) { macio_ide = MACIO_IDE(dev); return g_strdup_printf("ata-3@%x", macio_ide->addr); } if (!strcmp(object_get_typename(OBJECT(dev)), "ide-hd")) { return g_strdup("disk"); } if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) { return g_strdup("cdrom"); } if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) { return g_strdup("disk"); } return NULL; } static int heathrow_kvm_type(MachineState *machine, const char *arg) { /* Always force PR KVM */ return 2; } static void heathrow_class_init(ObjectClass *oc, void *data) { MachineClass *mc = MACHINE_CLASS(oc); FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc); mc->desc = "Heathrow based PowerMac"; mc->init = ppc_heathrow_init; mc->block_default_type = IF_IDE; /* SMP is not supported currently */ mc->max_cpus = 1; #ifndef TARGET_PPC64 mc->is_default = true; #endif /* TOFIX "cad" when Mac floppy is implemented */ mc->default_boot_order = "cd"; mc->kvm_type = heathrow_kvm_type; mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("750_v3.1"); mc->default_display = "std"; mc->default_nic = "ne2k_pci"; mc->ignore_boot_device_suffixes = true; mc->default_ram_id = "ppc_heathrow.ram"; fwc->get_dev_path = heathrow_fw_dev_path; } static const TypeInfo ppc_heathrow_machine_info = { .name = MACHINE_TYPE_NAME("g3beige"), .parent = TYPE_MACHINE, .class_init = heathrow_class_init, .interfaces = (InterfaceInfo[]) { { TYPE_FW_PATH_PROVIDER }, { } }, }; static void ppc_heathrow_register_types(void) { type_register_static(&ppc_heathrow_machine_info); } type_init(ppc_heathrow_register_types);