| |
| /* |
| * 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 "mac.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/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 GRACKLE_BASE 0xfec00000 |
| #define PROM_BASE 0xffc00000 |
| #define PROM_SIZE (4 * MiB) |
| |
| 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_reset(CPU(cpu)); |
| } |
| |
| static void ppc_heathrow_init(MachineState *machine) |
| { |
| ram_addr_t ram_size = machine->ram_size; |
| const char *bios_name = machine->firmware ?: PROM_FILENAME; |
| const char *boot_device = machine->boot_config.order; |
| PowerPCCPU *cpu = NULL; |
| CPUPPCState *env = NULL; |
| char *filename; |
| int i; |
| MemoryRegion *bios = g_new(MemoryRegion, 1); |
| uint32_t kernel_base, initrd_base, cmdline_base = 0; |
| int32_t kernel_size, initrd_size; |
| PCIBus *pci_bus; |
| PCIDevice *macio; |
| MACIOIDEState *macio_ide; |
| ESCCState *escc; |
| SysBusDevice *s; |
| DeviceState *dev, *pic_dev, *grackle_dev; |
| BusState *adb_bus; |
| uint64_t bios_addr; |
| int bios_size; |
| unsigned int smp_cpus = machine->smp.cpus; |
| uint16_t ppc_boot_device; |
| DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; |
| void *fw_cfg; |
| uint64_t tbfreq; |
| |
| /* init CPUs */ |
| for (i = 0; i < 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 (ram_size > 2047 * MiB) { |
| error_report("Too much memory for this machine: %" PRId64 " MB, " |
| "maximum 2047 MB", 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); |
| } else { |
| bios_size = -1; |
| } |
| 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; |
| |
| #ifdef BSWAP_NEEDED |
| bswap_needed = 1; |
| #else |
| bswap_needed = 0; |
| #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, |
| ram_size - kernel_base, bswap_needed, |
| TARGET_PAGE_SIZE); |
| if (kernel_size < 0) |
| kernel_size = load_image_targphys(machine->kernel_filename, |
| kernel_base, |
| 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, |
| 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 { |
| initrd_base = 0; |
| initrd_size = 0; |
| cmdline_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP); |
| } |
| ppc_boot_device = 'm'; |
| } else { |
| kernel_base = 0; |
| kernel_size = 0; |
| initrd_base = 0; |
| initrd_size = 0; |
| ppc_boot_device = '\0'; |
| for (i = 0; boot_device[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 (boot_device[i] >= 'a' && boot_device[i] <= 'f') { |
| ppc_boot_device = boot_device[i]; |
| break; |
| } |
| #else |
| if (boot_device[i] >= 'c' && boot_device[i] <= 'd') { |
| ppc_boot_device = boot_device[i]; |
| break; |
| } |
| #endif |
| } |
| if (ppc_boot_device == '\0') { |
| error_report("No valid boot device for G3 Beige machine"); |
| exit(1); |
| } |
| } |
| |
| /* Timebase Frequency */ |
| if (kvm_enabled()) { |
| tbfreq = kvmppc_get_tbfreq(); |
| } else { |
| tbfreq = TBFREQ; |
| } |
| |
| /* 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 = pci_new(PCI_DEVFN(16, 0), TYPE_OLDWORLD_MACIO); |
| dev = DEVICE(macio); |
| qdev_prop_set_uint64(dev, "frequency", tbfreq); |
| |
| escc = ESCC(object_resolve_path_component(OBJECT(macio), "escc")); |
| qdev_prop_set_chr(DEVICE(escc), "chrA", serial_hd(0)); |
| qdev_prop_set_chr(DEVICE(escc), "chrB", serial_hd(1)); |
| |
| pci_realize_and_unref(macio, pci_bus, &error_fatal); |
| |
| pic_dev = DEVICE(object_resolve_path_component(OBJECT(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 < 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); |
| |
| for (i = 0; i < nb_nics; i++) { |
| pci_nic_init_nofail(&nd_table[i], pci_bus, "ne2k_pci", NULL); |
| } |
| |
| /* MacIO IDE */ |
| ide_drive_get(hd, ARRAY_SIZE(hd)); |
| macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio), |
| "ide[0]")); |
| macio_ide_init_drives(macio_ide, hd); |
| |
| macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio), |
| "ide[1]")); |
| macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]); |
| |
| /* MacIO CUDA/ADB */ |
| dev = DEVICE(object_resolve_path_component(OBJECT(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(qdev_get_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)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)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->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); |
