diff options
Diffstat (limited to 'hw/hppa/machine.c')
| -rw-r--r-- | hw/hppa/machine.c | 152 |
1 files changed, 99 insertions, 53 deletions
diff --git a/hw/hppa/machine.c b/hw/hppa/machine.c index 67d4d1b5e0..a3222d3a96 100644 --- a/hw/hppa/machine.c +++ b/hw/hppa/machine.c @@ -87,7 +87,7 @@ static const MemoryRegionOps hppa_pci_ignore_ops = { }, }; -static ISABus *hppa_isa_bus(void) +static ISABus *hppa_isa_bus(hwaddr addr) { ISABus *isa_bus; qemu_irq *isa_irqs; @@ -96,8 +96,7 @@ static ISABus *hppa_isa_bus(void) isa_region = g_new(MemoryRegion, 1); memory_region_init_io(isa_region, NULL, &hppa_pci_ignore_ops, NULL, "isa-io", 0x800); - memory_region_add_subregion(get_system_memory(), IDE_HPA, - isa_region); + memory_region_add_subregion(get_system_memory(), addr, isa_region); isa_bus = isa_bus_new(NULL, get_system_memory(), isa_region, &error_abort); @@ -163,13 +162,24 @@ static const MemoryRegionOps hppa_io_helper_ops = { }, }; +typedef uint64_t TranslateFn(void *opaque, uint64_t addr); -static uint64_t cpu_hppa_to_phys(void *opaque, uint64_t addr) +static uint64_t linux_kernel_virt_to_phys(void *opaque, uint64_t addr) { addr &= (0x10000000 - 1); return addr; } +static uint64_t translate_pa10(void *dummy, uint64_t addr) +{ + return (uint32_t)addr; +} + +static uint64_t translate_pa20(void *dummy, uint64_t addr) +{ + return hppa_abs_to_phys_pa2_w0(addr); +} + static HPPACPU *cpu[HPPA_MAX_CPUS]; static uint64_t firmware_entry; @@ -179,15 +189,17 @@ static void fw_cfg_boot_set(void *opaque, const char *boot_device, fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]); } -static FWCfgState *create_fw_cfg(MachineState *ms, PCIBus *pci_bus) +static FWCfgState *create_fw_cfg(MachineState *ms, PCIBus *pci_bus, + hwaddr addr) { FWCfgState *fw_cfg; uint64_t val; const char qemu_version[] = QEMU_VERSION; MachineClass *mc = MACHINE_GET_CLASS(ms); + int btlb_entries = HPPA_BTLB_ENTRIES(&cpu[0]->env); int len; - fw_cfg = fw_cfg_init_mem(FW_CFG_IO_BASE, FW_CFG_IO_BASE + 4); + fw_cfg = fw_cfg_init_mem(addr, addr + 4); fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, ms->smp.cpus); fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, HPPA_MAX_CPUS); fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, ms->ram_size); @@ -196,11 +208,11 @@ static FWCfgState *create_fw_cfg(MachineState *ms, PCIBus *pci_bus) fw_cfg_add_file(fw_cfg, "/etc/firmware-min-version", g_memdup(&val, sizeof(val)), sizeof(val)); - val = cpu_to_le64(HPPA_TLB_ENTRIES - HPPA_BTLB_ENTRIES); + val = cpu_to_le64(HPPA_TLB_ENTRIES - btlb_entries); fw_cfg_add_file(fw_cfg, "/etc/cpu/tlb_entries", g_memdup(&val, sizeof(val)), sizeof(val)); - val = cpu_to_le64(HPPA_BTLB_ENTRIES); + val = cpu_to_le64(btlb_entries); fw_cfg_add_file(fw_cfg, "/etc/cpu/btlb_entries", g_memdup(&val, sizeof(val)), sizeof(val)); @@ -257,32 +269,45 @@ static DinoState *dino_init(MemoryRegion *addr_space) /* * Step 1: Create CPUs and Memory */ -static void machine_HP_common_init_cpus(MachineState *machine) +static TranslateFn *machine_HP_common_init_cpus(MachineState *machine) { MemoryRegion *addr_space = get_system_memory(); - MemoryRegion *cpu_region; - long i; unsigned int smp_cpus = machine->smp.cpus; - char *name; + TranslateFn *translate; + MemoryRegion *cpu_region; /* Create CPUs. */ - for (i = 0; i < smp_cpus; i++) { - name = g_strdup_printf("cpu%ld-io-eir", i); + for (unsigned int i = 0; i < smp_cpus; i++) { cpu[i] = HPPA_CPU(cpu_create(machine->cpu_type)); + } + + /* + * For now, treat address layout as if PSW_W is clear. + * TODO: create a proper hppa64 board model and load elf64 firmware. + */ + if (hppa_is_pa20(&cpu[0]->env)) { + translate = translate_pa20; + } else { + translate = translate_pa10; + } + + for (unsigned int i = 0; i < smp_cpus; i++) { + g_autofree char *name = g_strdup_printf("cpu%u-io-eir", i); cpu_region = g_new(MemoryRegion, 1); memory_region_init_io(cpu_region, OBJECT(cpu[i]), &hppa_io_eir_ops, cpu[i], name, 4); - memory_region_add_subregion(addr_space, CPU_HPA + i * 0x1000, + memory_region_add_subregion(addr_space, + translate(NULL, CPU_HPA + i * 0x1000), cpu_region); - g_free(name); } /* RTC and DebugOutputPort on CPU #0 */ cpu_region = g_new(MemoryRegion, 1); memory_region_init_io(cpu_region, OBJECT(cpu[0]), &hppa_io_helper_ops, cpu[0], "cpu0-io-rtc", 2 * sizeof(uint64_t)); - memory_region_add_subregion(addr_space, CPU_HPA + 16, cpu_region); + memory_region_add_subregion(addr_space, translate(NULL, CPU_HPA + 16), + cpu_region); /* Main memory region. */ if (machine->ram_size > 3 * GiB) { @@ -290,12 +315,15 @@ static void machine_HP_common_init_cpus(MachineState *machine) exit(EXIT_FAILURE); } memory_region_add_subregion_overlap(addr_space, 0, machine->ram, -1); + + return translate; } /* * Last creation step: Add SCSI discs, NICs, graphics & load firmware */ -static void machine_HP_common_init_tail(MachineState *machine, PCIBus *pci_bus) +static void machine_HP_common_init_tail(MachineState *machine, PCIBus *pci_bus, + TranslateFn *translate) { const char *kernel_filename = machine->kernel_filename; const char *kernel_cmdline = machine->kernel_cmdline; @@ -323,13 +351,13 @@ static void machine_HP_common_init_tail(MachineState *machine, PCIBus *pci_bus) dev = qdev_new("artist"); s = SYS_BUS_DEVICE(dev); sysbus_realize_and_unref(s, &error_fatal); - sysbus_mmio_map(s, 0, LASI_GFX_HPA); - sysbus_mmio_map(s, 1, ARTIST_FB_ADDR); + sysbus_mmio_map(s, 0, translate(NULL, LASI_GFX_HPA)); + sysbus_mmio_map(s, 1, translate(NULL, ARTIST_FB_ADDR)); } /* Network setup. */ if (enable_lasi_lan()) { - lasi_82596_init(addr_space, LASI_LAN_HPA, + lasi_82596_init(addr_space, translate(NULL, LASI_LAN_HPA), qdev_get_gpio_in(lasi_dev, LASI_IRQ_LAN_HPA)); } @@ -373,7 +401,7 @@ static void machine_HP_common_init_tail(MachineState *machine, PCIBus *pci_bus) qemu_register_powerdown_notifier(&hppa_system_powerdown_notifier); /* fw_cfg configuration interface */ - create_fw_cfg(machine, pci_bus); + create_fw_cfg(machine, pci_bus, translate(NULL, FW_CFG_IO_BASE)); /* Load firmware. Given that this is not "real" firmware, but one explicitly written for the emulation, we might as @@ -385,15 +413,10 @@ static void machine_HP_common_init_tail(MachineState *machine, PCIBus *pci_bus) exit(1); } - size = load_elf(firmware_filename, NULL, NULL, NULL, + size = load_elf(firmware_filename, NULL, translate, NULL, &firmware_entry, &firmware_low, &firmware_high, NULL, true, EM_PARISC, 0, 0); - /* Unfortunately, load_elf sign-extends reading elf32. */ - firmware_entry = (target_ureg)firmware_entry; - firmware_low = (target_ureg)firmware_low; - firmware_high = (target_ureg)firmware_high; - if (size < 0) { error_report("could not load firmware '%s'", firmware_filename); exit(1); @@ -401,7 +424,8 @@ static void machine_HP_common_init_tail(MachineState *machine, PCIBus *pci_bus) qemu_log_mask(CPU_LOG_PAGE, "Firmware loaded at 0x%08" PRIx64 "-0x%08" PRIx64 ", entry at 0x%08" PRIx64 ".\n", firmware_low, firmware_high, firmware_entry); - if (firmware_low < FIRMWARE_START || firmware_high >= FIRMWARE_END) { + if (firmware_low < translate(NULL, FIRMWARE_START) || + firmware_high >= translate(NULL, FIRMWARE_END)) { error_report("Firmware overlaps with memory or IO space"); exit(1); } @@ -410,18 +434,16 @@ static void machine_HP_common_init_tail(MachineState *machine, PCIBus *pci_bus) rom_region = g_new(MemoryRegion, 1); memory_region_init_ram(rom_region, NULL, "firmware", (FIRMWARE_END - FIRMWARE_START), &error_fatal); - memory_region_add_subregion(addr_space, FIRMWARE_START, rom_region); + memory_region_add_subregion(addr_space, + translate(NULL, FIRMWARE_START), rom_region); /* Load kernel */ if (kernel_filename) { - size = load_elf(kernel_filename, NULL, &cpu_hppa_to_phys, + size = load_elf(kernel_filename, NULL, linux_kernel_virt_to_phys, NULL, &kernel_entry, &kernel_low, &kernel_high, NULL, true, EM_PARISC, 0, 0); - /* Unfortunately, load_elf sign-extends reading elf32. */ - kernel_entry = (target_ureg) cpu_hppa_to_phys(NULL, kernel_entry); - kernel_low = (target_ureg)kernel_low; - kernel_high = (target_ureg)kernel_high; + kernel_entry = linux_kernel_virt_to_phys(NULL, kernel_entry); if (size < 0) { error_report("could not load kernel '%s'", kernel_filename); @@ -499,41 +521,48 @@ static void machine_HP_B160L_init(MachineState *machine) { DeviceState *dev, *dino_dev; MemoryRegion *addr_space = get_system_memory(); + TranslateFn *translate; ISABus *isa_bus; PCIBus *pci_bus; /* Create CPUs and RAM. */ - machine_HP_common_init_cpus(machine); + translate = machine_HP_common_init_cpus(machine); + + if (hppa_is_pa20(&cpu[0]->env)) { + error_report("The HP B160L workstation requires a 32-bit " + "CPU. Use '-machine C3700' instead."); + exit(1); + } /* Init Lasi chip */ lasi_dev = DEVICE(lasi_init()); - memory_region_add_subregion(addr_space, LASI_HPA, + memory_region_add_subregion(addr_space, translate(NULL, LASI_HPA), sysbus_mmio_get_region( SYS_BUS_DEVICE(lasi_dev), 0)); /* Init Dino (PCI host bus chip). */ dino_dev = DEVICE(dino_init(addr_space)); - memory_region_add_subregion(addr_space, DINO_HPA, + memory_region_add_subregion(addr_space, translate(NULL, DINO_HPA), sysbus_mmio_get_region( SYS_BUS_DEVICE(dino_dev), 0)); pci_bus = PCI_BUS(qdev_get_child_bus(dino_dev, "pci")); assert(pci_bus); /* Create ISA bus, needed for PS/2 kbd/mouse port emulation */ - isa_bus = hppa_isa_bus(); + isa_bus = hppa_isa_bus(translate(NULL, IDE_HPA)); assert(isa_bus); /* Serial ports: Lasi and Dino use a 7.272727 MHz clock. */ - serial_mm_init(addr_space, LASI_UART_HPA + 0x800, 0, + serial_mm_init(addr_space, translate(NULL, LASI_UART_HPA + 0x800), 0, qdev_get_gpio_in(lasi_dev, LASI_IRQ_UART_HPA), 7272727 / 16, serial_hd(0), DEVICE_BIG_ENDIAN); - serial_mm_init(addr_space, DINO_UART_HPA + 0x800, 0, + serial_mm_init(addr_space, translate(NULL, DINO_UART_HPA + 0x800), 0, qdev_get_gpio_in(dino_dev, DINO_IRQ_RS232INT), 7272727 / 16, serial_hd(1), DEVICE_BIG_ENDIAN); /* Parallel port */ - parallel_mm_init(addr_space, LASI_LPT_HPA + 0x800, 0, + parallel_mm_init(addr_space, translate(NULL, LASI_LPT_HPA + 0x800), 0, qdev_get_gpio_in(lasi_dev, LASI_IRQ_LAN_HPA), parallel_hds[0]); @@ -542,15 +571,17 @@ static void machine_HP_B160L_init(MachineState *machine) sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, qdev_get_gpio_in(lasi_dev, LASI_IRQ_PS2KBD_HPA)); - memory_region_add_subregion(addr_space, LASI_PS2KBD_HPA, + memory_region_add_subregion(addr_space, + translate(NULL, LASI_PS2KBD_HPA), sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0)); - memory_region_add_subregion(addr_space, LASI_PS2KBD_HPA + 0x100, + memory_region_add_subregion(addr_space, + translate(NULL, LASI_PS2KBD_HPA + 0x100), sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 1)); /* Add SCSI discs, NICs, graphics & load firmware */ - machine_HP_common_init_tail(machine, pci_bus); + machine_HP_common_init_tail(machine, pci_bus, translate); } static AstroState *astro_init(void) @@ -572,21 +603,28 @@ static void machine_HP_C3700_init(MachineState *machine) AstroState *astro; DeviceState *astro_dev; MemoryRegion *addr_space = get_system_memory(); + TranslateFn *translate; /* Create CPUs and RAM. */ - machine_HP_common_init_cpus(machine); + translate = machine_HP_common_init_cpus(machine); + + if (!hppa_is_pa20(&cpu[0]->env)) { + error_report("The HP C3000 workstation requires a 64-bit CPU. " + "Use '-machine B160L' instead."); + exit(1); + } /* Init Astro and the Elroys (PCI host bus chips). */ astro = astro_init(); astro_dev = DEVICE(astro); - memory_region_add_subregion(addr_space, ASTRO_HPA, + memory_region_add_subregion(addr_space, translate(NULL, ASTRO_HPA), sysbus_mmio_get_region( SYS_BUS_DEVICE(astro_dev), 0)); pci_bus = PCI_BUS(qdev_get_child_bus(DEVICE(astro->elroy[0]), "pci")); assert(pci_bus); /* Add SCSI discs, NICs, graphics & load firmware */ - machine_HP_common_init_tail(machine, pci_bus); + machine_HP_common_init_tail(machine, pci_bus, translate); } static void hppa_machine_reset(MachineState *ms, ShutdownCause reason) @@ -608,10 +646,6 @@ static void hppa_machine_reset(MachineState *ms, ShutdownCause reason) cs->exception_index = -1; cs->halted = 0; - - /* clear any existing TLB and BTLB entries */ - memset(cpu[i]->env.tlb, 0, sizeof(cpu[i]->env.tlb)); - cpu[i]->env.tlb_last = HPPA_BTLB_ENTRIES; } /* already initialized by machine_hppa_init()? */ @@ -637,6 +671,11 @@ static void hppa_nmi(NMIState *n, int cpu_index, Error **errp) } } +static const char *HP_B160L_machine_valid_cpu_types[] = { + TYPE_HPPA_CPU, + NULL +}; + static void HP_B160L_machine_init_class_init(ObjectClass *oc, void *data) { MachineClass *mc = MACHINE_CLASS(oc); @@ -644,6 +683,7 @@ static void HP_B160L_machine_init_class_init(ObjectClass *oc, void *data) mc->desc = "HP B160L workstation"; mc->default_cpu_type = TYPE_HPPA_CPU; + mc->valid_cpu_types = HP_B160L_machine_valid_cpu_types; mc->init = machine_HP_B160L_init; mc->reset = hppa_machine_reset; mc->block_default_type = IF_SCSI; @@ -668,13 +708,19 @@ static const TypeInfo HP_B160L_machine_init_typeinfo = { }, }; +static const char *HP_C3700_machine_valid_cpu_types[] = { + TYPE_HPPA64_CPU, + NULL +}; + static void HP_C3700_machine_init_class_init(ObjectClass *oc, void *data) { MachineClass *mc = MACHINE_CLASS(oc); NMIClass *nc = NMI_CLASS(oc); mc->desc = "HP C3700 workstation"; - mc->default_cpu_type = TYPE_HPPA_CPU; + mc->default_cpu_type = TYPE_HPPA64_CPU; + mc->valid_cpu_types = HP_C3700_machine_valid_cpu_types; mc->init = machine_HP_C3700_init; mc->reset = hppa_machine_reset; mc->block_default_type = IF_SCSI; |