diff options
Diffstat (limited to 'qemu/hw/mips/mips_jazz.c')
| -rw-r--r-- | qemu/hw/mips/mips_jazz.c | 391 |
1 files changed, 0 insertions, 391 deletions
diff --git a/qemu/hw/mips/mips_jazz.c b/qemu/hw/mips/mips_jazz.c deleted file mode 100644 index ac7c64125..000000000 --- a/qemu/hw/mips/mips_jazz.c +++ /dev/null @@ -1,391 +0,0 @@ -/* - * QEMU MIPS Jazz support - * - * Copyright (c) 2007-2008 Hervé Poussineau - * - * 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 "hw/hw.h" -#include "hw/mips/mips.h" -#include "hw/mips/cpudevs.h" -#include "hw/i386/pc.h" -#include "hw/char/serial.h" -#include "hw/isa/isa.h" -#include "hw/block/fdc.h" -#include "sysemu/sysemu.h" -#include "sysemu/arch_init.h" -#include "hw/boards.h" -#include "net/net.h" -#include "hw/scsi/esp.h" -#include "hw/mips/bios.h" -#include "hw/loader.h" -#include "hw/timer/mc146818rtc.h" -#include "hw/timer/i8254.h" -#include "hw/audio/pcspk.h" -#include "sysemu/block-backend.h" -#include "hw/sysbus.h" -#include "exec/address-spaces.h" -#include "sysemu/qtest.h" -#include "qemu/error-report.h" -#include "qemu/help_option.h" - -enum jazz_model_e -{ - JAZZ_MAGNUM, - JAZZ_PICA61, -}; - -static void main_cpu_reset(void *opaque) -{ - MIPSCPU *cpu = opaque; - - cpu_reset(CPU(cpu)); -} - -static uint64_t rtc_read(void *opaque, hwaddr addr, unsigned size) -{ - uint8_t val; - address_space_read(&address_space_memory, 0x90000071, - MEMTXATTRS_UNSPECIFIED, &val, 1); - return val; -} - -static void rtc_write(void *opaque, hwaddr addr, - uint64_t val, unsigned size) -{ - uint8_t buf = val & 0xff; - address_space_write(&address_space_memory, 0x90000071, - MEMTXATTRS_UNSPECIFIED, &buf, 1); -} - -static const MemoryRegionOps rtc_ops = { - .read = rtc_read, - .write = rtc_write, - .endianness = DEVICE_NATIVE_ENDIAN, -}; - -static uint64_t dma_dummy_read(void *opaque, hwaddr addr, - unsigned size) -{ - /* Nothing to do. That is only to ensure that - * the current DMA acknowledge cycle is completed. */ - return 0xff; -} - -static void dma_dummy_write(void *opaque, hwaddr addr, - uint64_t val, unsigned size) -{ - /* Nothing to do. That is only to ensure that - * the current DMA acknowledge cycle is completed. */ -} - -static const MemoryRegionOps dma_dummy_ops = { - .read = dma_dummy_read, - .write = dma_dummy_write, - .endianness = DEVICE_NATIVE_ENDIAN, -}; - -#define MAGNUM_BIOS_SIZE_MAX 0x7e000 -#define MAGNUM_BIOS_SIZE (BIOS_SIZE < MAGNUM_BIOS_SIZE_MAX ? BIOS_SIZE : MAGNUM_BIOS_SIZE_MAX) - -static CPUUnassignedAccess real_do_unassigned_access; -static void mips_jazz_do_unassigned_access(CPUState *cpu, hwaddr addr, - bool is_write, bool is_exec, - int opaque, unsigned size) -{ - if (!is_exec) { - /* ignore invalid access (ie do not raise exception) */ - return; - } - (*real_do_unassigned_access)(cpu, addr, is_write, is_exec, opaque, size); -} - -static void mips_jazz_init(MachineState *machine, - enum jazz_model_e jazz_model) -{ - MemoryRegion *address_space = get_system_memory(); - const char *cpu_model = machine->cpu_model; - char *filename; - int bios_size, n; - MIPSCPU *cpu; - CPUClass *cc; - CPUMIPSState *env; - qemu_irq *i8259; - rc4030_dma *dmas; - MemoryRegion *rc4030_dma_mr; - MemoryRegion *isa_mem = g_new(MemoryRegion, 1); - MemoryRegion *isa_io = g_new(MemoryRegion, 1); - MemoryRegion *rtc = g_new(MemoryRegion, 1); - MemoryRegion *i8042 = g_new(MemoryRegion, 1); - MemoryRegion *dma_dummy = g_new(MemoryRegion, 1); - NICInfo *nd; - DeviceState *dev, *rc4030; - SysBusDevice *sysbus; - ISABus *isa_bus; - ISADevice *pit; - DriveInfo *fds[MAX_FD]; - qemu_irq esp_reset, dma_enable; - MemoryRegion *ram = g_new(MemoryRegion, 1); - MemoryRegion *bios = g_new(MemoryRegion, 1); - MemoryRegion *bios2 = g_new(MemoryRegion, 1); - - /* init CPUs */ - if (cpu_model == NULL) { - cpu_model = "R4000"; - } - cpu = cpu_mips_init(cpu_model); - if (cpu == NULL) { - fprintf(stderr, "Unable to find CPU definition\n"); - exit(1); - } - env = &cpu->env; - qemu_register_reset(main_cpu_reset, cpu); - - /* Chipset returns 0 in invalid reads and do not raise data exceptions. - * However, we can't simply add a global memory region to catch - * everything, as memory core directly call unassigned_mem_read/write - * on some invalid accesses, which call do_unassigned_access on the - * CPU, which raise an exception. - * Handle that case by hijacking the do_unassigned_access method on - * the CPU, and do not raise exceptions for data access. */ - cc = CPU_GET_CLASS(cpu); - real_do_unassigned_access = cc->do_unassigned_access; - cc->do_unassigned_access = mips_jazz_do_unassigned_access; - - /* allocate RAM */ - memory_region_allocate_system_memory(ram, NULL, "mips_jazz.ram", - machine->ram_size); - memory_region_add_subregion(address_space, 0, ram); - - memory_region_init_ram(bios, NULL, "mips_jazz.bios", MAGNUM_BIOS_SIZE, - &error_fatal); - vmstate_register_ram_global(bios); - memory_region_set_readonly(bios, true); - memory_region_init_alias(bios2, NULL, "mips_jazz.bios", bios, - 0, MAGNUM_BIOS_SIZE); - memory_region_add_subregion(address_space, 0x1fc00000LL, bios); - memory_region_add_subregion(address_space, 0xfff00000LL, bios2); - - /* load the BIOS image. */ - if (bios_name == NULL) - bios_name = BIOS_FILENAME; - filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); - if (filename) { - bios_size = load_image_targphys(filename, 0xfff00000LL, - MAGNUM_BIOS_SIZE); - g_free(filename); - } else { - bios_size = -1; - } - if ((bios_size < 0 || bios_size > MAGNUM_BIOS_SIZE) && !qtest_enabled()) { - error_report("Could not load MIPS bios '%s'", bios_name); - exit(1); - } - - /* Init CPU internal devices */ - cpu_mips_irq_init_cpu(env); - cpu_mips_clock_init(env); - - /* Chipset */ - rc4030 = rc4030_init(&dmas, &rc4030_dma_mr); - sysbus = SYS_BUS_DEVICE(rc4030); - sysbus_connect_irq(sysbus, 0, env->irq[6]); - sysbus_connect_irq(sysbus, 1, env->irq[3]); - memory_region_add_subregion(address_space, 0x80000000, - sysbus_mmio_get_region(sysbus, 0)); - memory_region_add_subregion(address_space, 0xf0000000, - sysbus_mmio_get_region(sysbus, 1)); - memory_region_init_io(dma_dummy, NULL, &dma_dummy_ops, NULL, "dummy_dma", 0x1000); - memory_region_add_subregion(address_space, 0x8000d000, dma_dummy); - - /* ISA bus: IO space at 0x90000000, mem space at 0x91000000 */ - memory_region_init(isa_io, NULL, "isa-io", 0x00010000); - memory_region_init(isa_mem, NULL, "isa-mem", 0x01000000); - memory_region_add_subregion(address_space, 0x90000000, isa_io); - memory_region_add_subregion(address_space, 0x91000000, isa_mem); - isa_bus = isa_bus_new(NULL, isa_mem, isa_io, &error_abort); - - /* ISA devices */ - i8259 = i8259_init(isa_bus, env->irq[4]); - isa_bus_irqs(isa_bus, i8259); - DMA_init(isa_bus, 0); - pit = pit_init(isa_bus, 0x40, 0, NULL); - pcspk_init(isa_bus, pit); - - /* Video card */ - switch (jazz_model) { - case JAZZ_MAGNUM: - dev = qdev_create(NULL, "sysbus-g364"); - qdev_init_nofail(dev); - sysbus = SYS_BUS_DEVICE(dev); - sysbus_mmio_map(sysbus, 0, 0x60080000); - sysbus_mmio_map(sysbus, 1, 0x40000000); - sysbus_connect_irq(sysbus, 0, qdev_get_gpio_in(rc4030, 3)); - { - /* Simple ROM, so user doesn't have to provide one */ - MemoryRegion *rom_mr = g_new(MemoryRegion, 1); - memory_region_init_ram(rom_mr, NULL, "g364fb.rom", 0x80000, - &error_fatal); - vmstate_register_ram_global(rom_mr); - memory_region_set_readonly(rom_mr, true); - uint8_t *rom = memory_region_get_ram_ptr(rom_mr); - memory_region_add_subregion(address_space, 0x60000000, rom_mr); - rom[0] = 0x10; /* Mips G364 */ - } - break; - case JAZZ_PICA61: - isa_vga_mm_init(0x40000000, 0x60000000, 0, get_system_memory()); - break; - default: - break; - } - - /* Network controller */ - for (n = 0; n < nb_nics; n++) { - nd = &nd_table[n]; - if (!nd->model) - nd->model = g_strdup("dp83932"); - if (strcmp(nd->model, "dp83932") == 0) { - qemu_check_nic_model(nd, "dp83932"); - - dev = qdev_create(NULL, "dp8393x"); - qdev_set_nic_properties(dev, nd); - qdev_prop_set_uint8(dev, "it_shift", 2); - qdev_prop_set_ptr(dev, "dma_mr", rc4030_dma_mr); - qdev_init_nofail(dev); - sysbus = SYS_BUS_DEVICE(dev); - sysbus_mmio_map(sysbus, 0, 0x80001000); - sysbus_mmio_map(sysbus, 1, 0x8000b000); - sysbus_connect_irq(sysbus, 0, qdev_get_gpio_in(rc4030, 4)); - break; - } else if (is_help_option(nd->model)) { - fprintf(stderr, "qemu: Supported NICs: dp83932\n"); - exit(1); - } else { - fprintf(stderr, "qemu: Unsupported NIC: %s\n", nd->model); - exit(1); - } - } - - /* SCSI adapter */ - esp_init(0x80002000, 0, - rc4030_dma_read, rc4030_dma_write, dmas[0], - qdev_get_gpio_in(rc4030, 5), &esp_reset, &dma_enable); - - /* Floppy */ - if (drive_get_max_bus(IF_FLOPPY) >= MAX_FD) { - fprintf(stderr, "qemu: too many floppy drives\n"); - exit(1); - } - for (n = 0; n < MAX_FD; n++) { - fds[n] = drive_get(IF_FLOPPY, 0, n); - } - /* FIXME: we should enable DMA with a custom IsaDma device */ - fdctrl_init_sysbus(qdev_get_gpio_in(rc4030, 1), -1, 0x80003000, fds); - - /* Real time clock */ - rtc_init(isa_bus, 1980, NULL); - memory_region_init_io(rtc, NULL, &rtc_ops, NULL, "rtc", 0x1000); - memory_region_add_subregion(address_space, 0x80004000, rtc); - - /* Keyboard (i8042) */ - i8042_mm_init(qdev_get_gpio_in(rc4030, 6), qdev_get_gpio_in(rc4030, 7), - i8042, 0x1000, 0x1); - memory_region_add_subregion(address_space, 0x80005000, i8042); - - /* Serial ports */ - if (serial_hds[0]) { - serial_mm_init(address_space, 0x80006000, 0, - qdev_get_gpio_in(rc4030, 8), 8000000/16, - serial_hds[0], DEVICE_NATIVE_ENDIAN); - } - if (serial_hds[1]) { - serial_mm_init(address_space, 0x80007000, 0, - qdev_get_gpio_in(rc4030, 9), 8000000/16, - serial_hds[1], DEVICE_NATIVE_ENDIAN); - } - - /* Parallel port */ - if (parallel_hds[0]) - parallel_mm_init(address_space, 0x80008000, 0, - qdev_get_gpio_in(rc4030, 0), parallel_hds[0]); - - /* FIXME: missing Jazz sound at 0x8000c000, rc4030[2] */ - - /* NVRAM */ - dev = qdev_create(NULL, "ds1225y"); - qdev_init_nofail(dev); - sysbus = SYS_BUS_DEVICE(dev); - sysbus_mmio_map(sysbus, 0, 0x80009000); - - /* LED indicator */ - sysbus_create_simple("jazz-led", 0x8000f000, NULL); -} - -static -void mips_magnum_init(MachineState *machine) -{ - mips_jazz_init(machine, JAZZ_MAGNUM); -} - -static -void mips_pica61_init(MachineState *machine) -{ - mips_jazz_init(machine, JAZZ_PICA61); -} - -static void mips_magnum_class_init(ObjectClass *oc, void *data) -{ - MachineClass *mc = MACHINE_CLASS(oc); - - mc->desc = "MIPS Magnum"; - mc->init = mips_magnum_init; - mc->block_default_type = IF_SCSI; -} - -static const TypeInfo mips_magnum_type = { - .name = MACHINE_TYPE_NAME("magnum"), - .parent = TYPE_MACHINE, - .class_init = mips_magnum_class_init, -}; - -static void mips_pica61_class_init(ObjectClass *oc, void *data) -{ - MachineClass *mc = MACHINE_CLASS(oc); - - mc->desc = "Acer Pica 61"; - mc->init = mips_pica61_init; - mc->block_default_type = IF_SCSI; -} - -static const TypeInfo mips_pica61_type = { - .name = MACHINE_TYPE_NAME("pica61"), - .parent = TYPE_MACHINE, - .class_init = mips_pica61_class_init, -}; - -static void mips_jazz_machine_init(void) -{ - type_register_static(&mips_magnum_type); - type_register_static(&mips_pica61_type); -} - -type_init(mips_jazz_machine_init) |